:root {
  --bg-body: #070b14;
  --bg-card: #0e1526;
  --bg-card-hover: #131c33;
  --bg-sidebar: #0a0f1d;
  --bg-header: rgba(10, 15, 29, 0.9);
  --bg-modal: #0d1424;
  --border: rgba(255, 255, 255, 0.08);
  --border-focus: #38bdf8;
  
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-purple: #8b5cf6;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  
  --tier-phd: #8b5cf6;
  --tier-master: #10b981;
  --tier-ug: #06b6d4;
  --tier-admin: #ef4444;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.5);

  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

[data-theme="light"] {
  --bg-body: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-sidebar: #ffffff;
  --bg-header: rgba(255, 255, 255, 0.95);
  --bg-modal: #ffffff;
  --border: #e2e8f0;
  --border-focus: #0284c7;
  
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;
  
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.12);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.5;
  overflow: hidden;
  height: 100vh;
  width: 100vw;
}

/* App Layout Structure */
.app-layout {
  display: flex;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
}

/* Desktop Sidebar */
.desktop-sidebar {
  width: 270px;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  z-index: 20;
}

/* ACCL Brand & Complete Logo Styling */
.sidebar-brand {
  padding: 18px 16px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.015);
}

.brand-logo-container {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: #060a14;
  border: 1px solid rgba(56, 189, 248, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 2px;
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.15);
  flex-shrink: 0;
}

.brand-logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: calc(var(--radius-md) - 2px);
}

.brand-logo-fallback {
  font-size: 13px;
  font-weight: 800;
  color: var(--accent-cyan);
  letter-spacing: -0.5px;
}

.brand-details {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.brand-name-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.brand-name {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.5px;
  background: linear-gradient(90deg, #38bdf8, #818cf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-tagline {
  font-size: 10px;
  color: var(--text-muted);
  font-weight: 600;
  line-height: 1.25;
  margin-top: 2px;
  white-space: normal;
}

/* User Pill & Person Icon */
.sidebar-user-pill {
  margin: 12px 14px 6px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sidebar-user-pill:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(56, 189, 248, 0.35);
}

.user-avatar-sm {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #1e293b, #0f172a);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: #38bdf8;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 12px;
  flex-shrink: 0;
}

.avatar-icon-svg {
  width: 18px;
  height: 18px;
  stroke: #38bdf8;
}

.user-meta {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.user-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-badge-role {
  font-size: 10px;
  color: var(--accent-cyan);
  font-weight: 500;
}

/* Admin / Lead Banner in Sidebar */
.admin-badge-indicator {
  margin: 4px 14px 10px;
  padding: 6px 12px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(30, 58, 138, 0.25), rgba(88, 28, 135, 0.25));
  border: 1px solid rgba(147, 197, 253, 0.25);
  color: #93c5fd;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.6px;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.admin-badge-icon {
  font-size: 13px;
}

.admin-badge-text {
  flex: 1;
}

/* Sidebar Navigation */
.sidebar-nav {
  flex: 1;
  padding: 6px 12px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.nav-group-title {
  font-size: 9px;
  font-weight: 700;
  color: var(--text-dim);
  letter-spacing: 1px;
  margin: 12px 8px 4px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  width: 100%;
  text-align: left;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-main);
}

.nav-link.active {
  background: linear-gradient(90deg, rgba(56, 189, 248, 0.15), rgba(59, 130, 246, 0.08));
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.25);
  font-weight: 600;
}

.nav-icon {
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-text {
  flex: 1;
}

.nav-badge {
  font-size: 10px;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  font-weight: 600;
}

.nav-badge.highlight {
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
}

.live-indicator-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
  animation: pulse-dot 1.8s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.sidebar-footer {
  padding: 12px 14px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.system-status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--text-muted);
}

.status-dot.online {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-emerald);
}

.sidebar-quick-btn-row {
  display: flex;
  gap: 6px;
}

.btn-icon {
  flex: 1;
  padding: 6px 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(56, 189, 248, 0.3);
}

/* Main Viewport */
.main-viewport {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  background-color: var(--bg-body);
}

/* Top App Bar */
.top-app-bar {
  height: 62px;
  background: var(--bg-header);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  flex-shrink: 0;
  z-index: 10;
}

.top-app-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mobile-brand-title {
  display: none;
  align-items: center;
  gap: 10px;
}

.mobile-logo-img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.mobile-app-name {
  font-weight: 800;
  font-size: 14px;
  color: #38bdf8;
}

.breadcrumb-section {
  display: flex;
  flex-direction: column;
}

#header-view-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
}

.header-subtitle {
  font-size: 11px;
  color: var(--text-dim);
}

.header-actions-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.action-pill-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #2563eb, #38bdf8);
  color: #fff;
  border: none;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
  transition: all 0.2s;
}

.action-pill-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

.action-pill-btn.secondary {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  box-shadow: none;
}

.action-pill-btn.secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.action-pill-btn.admin-btn {
  background: linear-gradient(135deg, #dc2626, #f43f5e);
}

.user-profile-header-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 4px 4px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  cursor: pointer;
}

.avatar-badge-circle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1e293b, #0f172a);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: #38bdf8;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
}

.header-user-label {
  font-size: 12px;
  font-weight: 600;
}

/* Main Scrollable Content Area */
.content-container {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 24px;
  scroll-behavior: smooth;
}

/* Views */
.portal-view {
  display: none;
  animation: fadeIn 0.2s ease;
}

.portal-view.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* KPI Cards Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.kpi-card:hover {
  transform: translateY(-2px);
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow-md);
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
}

.kpi-card.accent-blue::before { background: var(--accent-blue); }
.kpi-card.accent-amber::before { background: var(--accent-amber); }
.kpi-card.accent-emerald::before { background: var(--accent-emerald); }
.kpi-card.accent-purple::before { background: var(--accent-purple); }

.kpi-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.kpi-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.kpi-icon {
  font-size: 18px;
}

.kpi-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.5px;
  margin-bottom: 4px;
}

.kpi-footer {
  font-size: 11px;
  color: var(--text-dim);
}

.text-urgent { color: #fb7185; font-weight: 700; }
.text-cyan { color: var(--accent-cyan); }
.text-amber { color: #f59e0b; }
.text-emerald { color: #10b981; }
.text-xs { font-size: 11px; }
.text-muted { color: var(--text-muted); }
.text-dim { color: var(--text-dim); }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mb-1 { margin-bottom: 4px; }
.w-full { width: 100%; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }

/* Section Blocks */
.section-block {
  margin-bottom: 32px;
}

.section-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.section-title-group {
  display: flex;
  flex-direction: column;
}

.section-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
}

.section-desc {
  font-size: 12px;
  color: var(--text-muted);
}

.btn-sm-outline {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--accent-cyan);
  padding: 6px 12px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-sm-outline:hover {
  background: rgba(6, 182, 212, 0.1);
  border-color: var(--accent-cyan);
}

/* Tasks Grid & Cards */
.tasks-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.task-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all 0.2s ease;
  cursor: pointer;
}

.task-card:hover {
  border-color: rgba(56, 189, 248, 0.3);
  background: var(--bg-card-hover);
  transform: translateY(-1px);
}

.task-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}

.task-proj-pill {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 180px;
}

.priority-badge-sm {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

.priority-badge-sm.urgent { background: rgba(244, 63, 94, 0.2); color: #fda4af; border: 1px solid rgba(244, 63, 94, 0.4); }
.priority-badge-sm.high { background: rgba(245, 158, 11, 0.2); color: #fcd34d; border: 1px solid rgba(245, 158, 11, 0.4); }
.priority-badge-sm.medium { background: rgba(59, 130, 246, 0.2); color: #93c5fd; border: 1px solid rgba(59, 130, 246, 0.4); }
.priority-badge-sm.low { background: rgba(16, 185, 129, 0.2); color: #6ee7b7; border: 1px solid rgba(16, 185, 129, 0.4); }

.task-card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.4;
}

.task-card-desc {
  font-size: 11px;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.task-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border);
  padding-top: 10px;
  margin-top: auto;
}

.assignees-avatar-stack {
  display: flex;
  align-items: center;
}

.assignee-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--bg-card);
  margin-left: -6px;
  background: var(--accent-blue);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  font-weight: 700;
}

.assignee-avatar:first-child {
  margin-left: 0;
}

.deadline-chip {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 4px;
}

.deadline-chip.overdue {
  color: var(--accent-rose);
  font-weight: 700;
}

/* Progress Track Bar */
.progress-track {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #3b82f6, #06b6d4);
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
}

.progress-bar.color-amber { background: linear-gradient(90deg, #f59e0b, #fbbf24); }
.progress-bar.color-emerald { background: linear-gradient(90deg, #10b981, #34d399); }
.progress-bar.color-purple { background: linear-gradient(90deg, #8b5cf6, #a855f7); }

/* Projects Grid & Cards */
.projects-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 18px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: all 0.2s ease;
  position: relative;
}

.project-card:hover {
  border-color: rgba(56, 189, 248, 0.4);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-md);
}

.project-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}

.project-category-tag {
  font-size: 10px;
  font-weight: 700;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-pill {
  font-size: 10px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.status-pill.active { background: rgba(16, 185, 129, 0.15); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.3); }
.status-pill.review { background: rgba(245, 158, 11, 0.15); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.3); }
.status-pill.planning { background: rgba(59, 130, 246, 0.15); color: #60a5fa; border: 1px solid rgba(59, 130, 246, 0.3); }
.status-pill.online { background: rgba(16, 185, 129, 0.15); color: #34d399; }

.project-card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.35;
}

.project-card-desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 1-Click Research Resource Pill Buttons */
.project-resources-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.resource-pill-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.15s;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  color: var(--text-main);
}

.resource-pill-btn:hover {
  transform: translateY(-1px);
}

.resource-pill-btn.overleaf {
  background: rgba(74, 222, 128, 0.12);
  border-color: rgba(74, 222, 128, 0.3);
  color: #86efac;
}

.resource-pill-btn.sheet {
  background: rgba(34, 197, 94, 0.12);
  border-color: rgba(34, 197, 94, 0.3);
  color: #4ade80;
}

.resource-pill-btn.slide {
  background: rgba(245, 158, 11, 0.12);
  border-color: rgba(245, 158, 11, 0.3);
  color: #fcd34d;
}

.resource-pill-btn.github {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  color: #fff;
}

.resource-pill-btn.drive {
  background: rgba(59, 130, 246, 0.12);
  border-color: rgba(59, 130, 246, 0.3);
  color: #93c5fd;
}

.resource-pill-btn.huggingface {
  background: rgba(255, 210, 30, 0.15);
  border-color: rgba(255, 210, 30, 0.35);
  color: #fde047;
}

.resource-pill-btn.arxiv {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.35);
  color: #fca5a5;
}

.resource-pill-btn.dataset {
  background: rgba(168, 85, 247, 0.15);
  border-color: rgba(168, 85, 247, 0.35);
  color: #d8b4fe;
}

.resource-pill-btn.notion {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
  color: #f1f5f9;
}

.resource-pill-btn.wandb {
  background: rgba(245, 158, 11, 0.15);
  border-color: rgba(245, 158, 11, 0.35);
  color: #fbbf24;
}

.resource-pill-btn.colab {
  background: rgba(249, 115, 22, 0.15);
  border-color: rgba(249, 115, 22, 0.35);
  color: #fdba74;
}

.resource-pill-btn.docs {
  background: rgba(6, 182, 212, 0.15);
  border-color: rgba(6, 182, 212, 0.35);
  color: #67e8f9;
}

.resource-pill-btn.other {
  background: rgba(56, 189, 248, 0.12);
  border-color: rgba(56, 189, 248, 0.3);
  color: #7dd3fc;
}

/* Project Notes & Additional Information Box */
.project-notes-box {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  display: flex;
  gap: 8px;
  align-items: flex-start;
  font-size: 11px;
  color: var(--text-dim);
  line-height: 1.4;
  margin-bottom: 8px;
}

.project-notes-box .notes-icon {
  font-size: 14px;
  line-height: 1;
}

.project-notes-box .notes-content {
  flex: 1;
}

.project-notes-box .notes-content strong {
  display: block;
  color: #94a3b8;
  margin-bottom: 2px;
}

/* Project Target Venue Box */
.project-target-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--text-muted);
}

.venue-badge {
  font-weight: 700;
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.1);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(56, 189, 248, 0.2);
}

/* Student Cards Grid */
.students-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.student-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all 0.2s ease;
}

.student-card:hover {
  border-color: rgba(56, 189, 248, 0.3);
  background: var(--bg-card-hover);
}

.student-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.student-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}

.student-identity {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.student-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
}

.student-tier-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  align-self: flex-start;
  margin-top: 2px;
}

.student-tier-badge.phd { background: rgba(139, 92, 246, 0.2); color: #c4b5fd; border: 1px solid rgba(139, 92, 246, 0.4); }
.student-tier-badge.master { background: rgba(16, 185, 129, 0.2); color: #6ee7b7; border: 1px solid rgba(16, 185, 129, 0.4); }
.student-tier-badge.ug { background: rgba(6, 182, 212, 0.2); color: #67e8f9; border: 1px solid rgba(6, 182, 212, 0.4); }
.student-tier-badge.admin { background: rgba(239, 68, 68, 0.2); color: #fca5a5; border: 1px solid rgba(239, 68, 68, 0.4); }

.student-research-area {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.4;
}

.student-stats-row {
  display: flex;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 11px;
}

.student-stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.student-stat-val {
  font-weight: 700;
  color: var(--text-main);
}

.student-stat-lbl {
  font-size: 9px;
  color: var(--text-dim);
}

/* Kanban Board Layout */
.tasks-container {
  overflow-x: auto;
  padding-bottom: 12px;
}

.kanban-mobile-tabs {
  display: none;
  gap: 6px;
  margin-bottom: 12px;
  overflow-x: auto;
  padding-bottom: 4px;
  -webkit-overflow-scrolling: touch;
}

.kanban-tab {
  flex: 1;
  min-width: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}

[data-theme="light"] .kanban-tab {
  background: #f1f5f9;
  border-color: #cbd5e1;
  color: #64748b;
}

.kanban-tab.active {
  background: #0284c7 !important;
  border-color: #0284c7 !important;
  color: #ffffff !important;
}

.tab-badge {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: var(--radius-full);
}

.kanban-board {
  display: grid;
  grid-template-columns: repeat(4, minmax(280px, 1fr));
  gap: 16px;
  min-width: 1160px;
}

.kanban-col {
  background: rgba(14, 21, 38, 0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: calc(100vh - 210px);
}

.col-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.col-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.col-count {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
}

.col-cards-wrapper {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-right: 4px;
}

/* Cluster Monitor & Node Matrix Cards */
.cluster-mini-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.mini-node-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mini-node-head {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
}

.node-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #64748b;
}

.node-dot.online {
  background: var(--accent-emerald);
}

.cluster-full-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
}

.node-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.node-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.node-name-pill {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 6px;
}

.node-system-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.sys-chip {
  font-size: 10px;
  padding: 2px 7px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
}

.node-gpus-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.node-gpu-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.gpu-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
}

.gpu-name-text {
  font-weight: 600;
  color: var(--text-main);
}

.gpu-temp-badge {
  font-size: 10px;
  padding: 1px 5px;
  border-radius: var(--radius-sm);
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
}

.gpu-metrics-row {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: var(--text-dim);
}

/* SLURM Table */
.table-responsive-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  text-align: left;
}

.data-table th {
  background: rgba(255, 255, 255, 0.03);
  padding: 12px 14px;
  font-size: 10px;
  font-weight: 700;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
  letter-spacing: 0.5px;
}

.data-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
}

.data-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-main);
}

/* Quota View & Terminal Widget */
.quota-search-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 16px;
}

.quota-search-title h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}

.quota-search-form {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

.quick-quota-users-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.quick-chips-wrapper {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.quick-chip {
  font-size: 11px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
}

.quick-chip:hover, .quick-chip.active {
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  border-color: rgba(56, 189, 248, 0.3);
}

.quota-details-display {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.quota-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.user-quota-title-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* CLI MyQuota Terminal Card */
.myquota-terminal-card {
  margin-top: 16px;
  background: #050811;
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.terminal-header-bar {
  background: #0b1120;
  padding: 8px 14px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-cyan);
}

.terminal-dots {
  display: flex;
  gap: 5px;
}

.t-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}
.t-dot.red { background: #ef4444; }
.t-dot.yellow { background: #f59e0b; }
.t-dot.green { background: #10b981; }

.terminal-body-content {
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: #a7f3d0;
  line-height: 1.6;
  white-space: pre-wrap;
  overflow-x: auto;
}

.quota-storage-meters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.storage-gauge-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.gauge-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
}

.gauge-val {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-main);
}

.gauge-sub {
  font-size: 10px;
  color: var(--text-dim);
}

.active-jobs-chips-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 8px;
}

.job-chip-item {
  background: rgba(255, 255, 255, 0.03);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-size: 12px;
}

/* Conferences & Publication Hub */
.conf-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.conf-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.conf-stat-num {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.1;
}

.conf-stat-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.conferences-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 16px;
}

.conf-hub-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.conf-hub-card:hover {
  transform: translateY(-2px);
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.conf-hub-card.conf-india-highlight {
  border-color: rgba(245, 158, 11, 0.4);
  background: linear-gradient(180deg, rgba(245, 158, 11, 0.04) 0%, var(--bg-card) 100%);
}

.conf-hub-top {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.conf-title-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  flex-wrap: wrap;
}

.conf-hub-acronym {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-main);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-tile-refresh {
  background: rgba(255, 255, 255, 0.06) !important;
  border: 1px solid var(--border) !important;
  color: var(--text-muted) !important;
  width: 26px;
  height: 26px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  cursor: pointer;
  padding: 0;
  line-height: 1;
  transition: all 0.2s ease;
}

.btn-tile-refresh:hover {
  background: rgba(56, 189, 248, 0.18) !important;
  border-color: #38bdf8 !important;
  color: #38bdf8 !important;
  transform: scale(1.1);
}

.spinning {
  display: inline-block;
  animation: spinAnim 0.8s linear infinite !important;
}

@keyframes spinAnim {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.conf-badges-row {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.conf-tier-badge {
  font-size: 10px;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.conf-tier-badge.tier-a {
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.3);
}

.conf-tier-badge.tier-b {
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
}

.conf-tier-badge.tier-c {
  background: linear-gradient(135deg, #10b981, #06b6d4);
}

.conf-pub-tag {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.conf-india-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  background: rgba(245, 158, 11, 0.18);
  color: #fcd34d;
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.conf-journal-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  background: rgba(168, 85, 247, 0.18);
  color: #d8b4fe;
  border: 1px solid rgba(168, 85, 247, 0.4);
}

.conf-hub-fullname {
  font-size: 12px;
  color: var(--text-main);
  font-weight: 500;
  line-height: 1.3;
}

.conf-hub-field {
  font-size: 11px;
  color: var(--text-muted);
  font-style: italic;
}

.conf-hub-countdown-row {
  margin: 2px 0;
}

.conf-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.conf-pill.pill-open {
  background: rgba(6, 182, 212, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(6, 182, 212, 0.35);
}

.conf-pill.pill-urgent {
  background: rgba(239, 68, 68, 0.18);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.45);
  animation: pulseGlow 1.5s infinite alternate;
}

.conf-pill.pill-rolling {
  background: rgba(16, 185, 129, 0.15);
  color: #6ee7b7;
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.conf-pill.pill-srs {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.22), rgba(217, 119, 6, 0.15));
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.6);
  font-weight: 800;
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.25);
  animation: pulseGold 2s infinite ease-in-out;
}

@keyframes pulseGold {
  0%, 100% { box-shadow: 0 0 6px rgba(245, 158, 11, 0.2); }
  50% { box-shadow: 0 0 16px rgba(245, 158, 11, 0.5); }
}

.conf-pill.pill-passed {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.conf-eligibility-box {
  background: rgba(245, 158, 11, 0.08);
  border-left: 3px solid #f59e0b;
  padding: 8px 12px;
  font-size: 11px;
  border-radius: 4px;
  color: #fde68a;
  line-height: 1.45;
}

.conf-deadlines-box {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 11px;
}

.deadline-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.deadline-label {
  color: var(--text-muted);
}

.deadline-val {
  color: var(--text-main);
  text-align: right;
}

.deadline-row.srs-highlight-row {
  background: rgba(245, 158, 11, 0.12);
  margin: 0 -6px;
  padding: 3px 6px;
  border-radius: var(--radius-sm);
  border-left: 3px solid #f59e0b;
}

.srs-val {
  color: #fbbf24;
}

.conf-tracks-list {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.3;
}

.conf-hub-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: 6px;
  border-top: 1px solid var(--border);
}

/* Modals & Backdrops */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 16px;
  animation: fadeIn 0.15s ease;
}

.modal-backdrop.active {
  display: flex;
}

.modal-dialog {
  background: var(--bg-modal);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 620px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.modal-dialog.modal-lg {
  max-width: 800px;
}

.modal-header {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 22px;
  cursor: pointer;
}

.modal-close-btn:hover {
  color: var(--text-main);
}

.modal-body {
  padding: 22px;
  overflow-y: auto;
}

/* ================= EXPLICIT DARK FORM CONTROLS & DROPDOWNS ================= */
.form-group {
  margin-bottom: 14px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.form-group label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
}

.form-input, 
select.form-input, 
select.select-dropdown, 
.search-input {
  width: 100%;
  padding: 9px 12px;
  background-color: #0e1526 !important;
  color: #f1f5f9 !important;
  border: 1px solid rgba(255, 255, 255, 0.15) !important;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-family: inherit;
  transition: all 0.15s;
  color-scheme: dark;
}

/* Native Select Styling with SVG Chevron Arrow */
select.form-input,
select.select-dropdown {
  appearance: none !important;
  -webkit-appearance: none !important;
  -moz-appearance: none !important;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2338bdf8' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e") !important;
  background-repeat: no-repeat !important;
  background-position: right 10px center !important;
  background-size: 14px !important;
  padding-right: 32px !important;
  cursor: pointer;
}

/* Options & Optgroups Dark Background Fix */
select option, 
select optgroup {
  background-color: #0b1120 !important;
  color: #f1f5f9 !important;
  padding: 10px 14px !important;
}

select option:hover, 
select option:focus, 
select option:checked {
  background-color: #1e293b !important;
  color: #38bdf8 !important;
}

.form-input:focus, 
select.form-input:focus, 
select.select-dropdown:focus, 
.search-input:focus {
  outline: none;
  border-color: var(--border-focus) !important;
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.2);
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.btn-primary {
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #2563eb, #38bdf8);
  color: #fff;
  border: none;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-primary:hover {
  filter: brightness(1.1);
}

.btn-secondary {
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  color: var(--text-main);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.btn-danger {
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #fca5a5;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.modal-footer-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.multi-assignee-picker-box {
  max-height: 140px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px;
  background: rgba(255, 255, 255, 0.02);
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 6px;
}

.assignee-check-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 3px 6px;
  border-radius: 4px;
}

.assignee-check-label:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
}

.demo-users-helper {
  margin-top: 12px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
}

.demo-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.demo-pill {
  font-size: 10px;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.2);
  color: #38bdf8;
  cursor: pointer;
}

.demo-pill:hover {
  background: rgba(56, 189, 248, 0.2);
}

/* Toolbar & Filters */
.view-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  gap: 12px;
}

.filter-chip-group {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.chip {
  padding: 6px 12px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s;
}

.chip:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
}

.chip.active {
  background: rgba(56, 189, 248, 0.15);
  border-color: rgba(56, 189, 248, 0.4);
  color: #38bdf8;
}

/* ================= MOBILE NAVIGATION & SLIDE-OUT DRAWER ================= */
.sidebar-overlay-backdrop {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 9998;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.sidebar-overlay-backdrop.active {
  display: block;
  opacity: 1;
}

.mobile-brand-title {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.mobile-menu-hamburger-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 34px;
  height: 34px;
  padding: 6px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.2s ease;
}

[data-theme="light"] .mobile-menu-hamburger-btn {
  background: #f1f5f9;
  border-color: #cbd5e1;
}

.mobile-menu-hamburger-btn .hamburger-bar {
  width: 18px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
}

.sidebar-close-btn {
  display: none;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  color: var(--text-muted);
  font-size: 20px;
  line-height: 1;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  margin-left: auto;
  transition: all 0.2s ease;
}

.sidebar-close-btn:hover {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
  border-color: rgba(239, 68, 68, 0.4);
}

/* Bottom Mobile Navigation Bar */
.mobile-bottom-nav {
  display: none;
  min-height: 64px;
  height: calc(64px + env(safe-area-inset-bottom, 0px));
  background: rgba(11, 17, 32, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(56, 189, 248, 0.2);
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9990;
  justify-content: space-around;
  align-items: center;
  padding: 4px 6px calc(4px + env(safe-area-inset-bottom, 0px)) 6px;
  box-shadow: 0 -4px 25px rgba(0, 0, 0, 0.55);
}

[data-theme="light"] .mobile-bottom-nav {
  background: rgba(255, 255, 255, 0.98);
  border-top-color: #e2e8f0;
  box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.08);
}

.mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px 4px;
  flex: 1;
  border-radius: 10px;
  text-decoration: none;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  -webkit-tap-highlight-color: transparent;
}

.mobile-nav-icon {
  font-size: 20px;
  display: block;
  line-height: 1;
  transition: transform 0.2s ease;
}

.mobile-nav-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2px;
  white-space: nowrap;
  color: inherit;
}

.mobile-nav-item.active {
  color: #38bdf8 !important;
  background: rgba(56, 189, 248, 0.12);
  border-color: rgba(56, 189, 248, 0.25);
}

[data-theme="light"] .mobile-nav-item.active {
  color: #0284c7 !important;
  background: rgba(2, 132, 199, 0.1);
  border-color: rgba(2, 132, 199, 0.25);
}

.mobile-nav-item.active .mobile-nav-icon {
  transform: scale(1.1);
}

.mobile-nav-item:active {
  transform: scale(0.94);
}

.mobile-bottom-avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  font-weight: 700;
  color: #ffffff;
  background: rgba(56, 189, 248, 0.2);
  border: 1px solid rgba(56, 189, 248, 0.4);
}

.mobile-bottom-avatar svg {
  width: 14px;
  height: 14px;
}

/* Announcements Container & Cards */
.announcements-container {
  margin-bottom: 24px;
}

.announcement-card {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(30, 41, 59, 0.9)) !important;
  border: 1px solid rgba(56, 189, 248, 0.35) !important;
  color: #f1f5f9 !important;
  border-radius: var(--radius-md);
  padding: 14px 18px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
}

.announcement-card.urgent {
  background: linear-gradient(135deg, rgba(69, 10, 10, 0.9), rgba(30, 41, 59, 0.9)) !important;
  border-color: rgba(239, 68, 68, 0.5) !important;
  color: #fee2e2 !important;
}

.announcement-card.important {
  background: linear-gradient(135deg, rgba(69, 26, 3, 0.9), rgba(30, 41, 59, 0.9)) !important;
  border-color: rgba(245, 158, 11, 0.5) !important;
  color: #fef3c7 !important;
}

.announcement-tag {
  font-weight: 800;
  font-size: 10px;
  letter-spacing: 0.5px;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.12);
  flex-shrink: 0;
}

.announcement-banner-empty {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.8), rgba(30, 41, 59, 0.6));
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}

.ann-empty-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.ann-empty-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.ann-empty-title {
  font-size: 14px;
  font-weight: 700;
  color: #f1f5f9;
}

.ann-empty-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.btn-post-announcement {
  background: linear-gradient(135deg, #0284c7, #2563eb);
  color: #ffffff !important;
  border: 1px solid rgba(56, 189, 248, 0.4);
  padding: 9px 18px;
  border-radius: var(--radius-md);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.3px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.35);
  white-space: nowrap;
  flex-shrink: 0;
}

.btn-post-announcement:hover {
  background: linear-gradient(135deg, #0369a1, #1d4ed8);
  box-shadow: 0 6px 18px rgba(2, 132, 199, 0.55);
  transform: translateY(-1px);
}

.btn-post-announcement:active {
  transform: translateY(0);
}

.ext-badge {
  font-size: 10px;
  background: rgba(6, 182, 212, 0.15);
  border: 1px solid rgba(6, 182, 212, 0.3);
  color: #38bdf8;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  margin-left: auto;
}

/* Action Buttons in Header */
.action-pill-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--radius-md);
  background: rgba(2, 132, 199, 0.18);
  border: 1px solid rgba(56, 189, 248, 0.35);
  color: #38bdf8;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
}

.action-pill-btn:hover {
  transform: translateY(-1px);
}

.action-pill-btn.admin-btn {
  background: rgba(147, 51, 234, 0.2) !important;
  border-color: rgba(168, 85, 247, 0.45) !important;
  color: #d8b4fe !important;
}

.action-pill-btn.admin-btn:hover {
  background: rgba(147, 51, 234, 0.3) !important;
  box-shadow: 0 4px 12px rgba(147, 51, 234, 0.3);
}

.action-pill-btn.task-btn {
  background: rgba(16, 185, 129, 0.2) !important;
  border-color: rgba(52, 211, 153, 0.45) !important;
  color: #6ee7b7 !important;
}

.action-pill-btn.task-btn:hover {
  background: rgba(16, 185, 129, 0.3) !important;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.action-pill-btn.project-btn {
  background: rgba(2, 132, 199, 0.2) !important;
  border-color: rgba(56, 189, 248, 0.45) !important;
  color: #7dd3fc !important;
}

.action-pill-btn.project-btn:hover {
  background: rgba(2, 132, 199, 0.3) !important;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.3);
}

.btn-icon-symbol {
  font-size: 13px;
}

/* Notification Bell */
.notification-bell-btn {
  position: relative;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 16px;
  transition: all 0.2s ease;
}

.notification-bell-btn:hover {
  background: rgba(56, 189, 248, 0.15);
  border-color: rgba(56, 189, 248, 0.4);
}

.bell-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: #ef4444;
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  min-width: 17px;
  height: 17px;
  line-height: 17px;
  border-radius: 9px;
  text-align: center;
  padding: 0 4px;
  box-shadow: 0 2px 6px rgba(239, 68, 68, 0.5);
  animation: pulse 2s infinite;
}

/* Dynamic Notification Toast Bar */
.notification-toast-container {
  position: fixed;
  top: 68px;
  right: 20px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
  max-width: 380px;
  width: calc(100% - 40px);
}

.toast-notification {
  pointer-events: auto;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.98), rgba(30, 41, 59, 0.95));
  border: 1px solid rgba(56, 189, 248, 0.4);
  border-radius: 12px;
  padding: 14px 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 20px rgba(56, 189, 248, 0.15);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: flex-start;
  gap: 12px;
  animation: slideDownToast 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  transition: all 0.3s ease;
}

@keyframes slideDownToast {
  from { opacity: 0; transform: translateY(-20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.toast-icon {
  font-size: 20px;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 2px;
}

.toast-body {
  flex: 1;
}

.toast-title {
  font-size: 13px;
  font-weight: 700;
  color: #f1f5f9;
  margin-bottom: 2px;
}

.toast-msg {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
}

.toast-close {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 16px;
  cursor: pointer;
  padding: 0 4px;
}

/* Notification Drawer Dropdown */
.notification-drawer {
  position: fixed;
  top: 60px;
  right: 20px;
  width: 340px;
  max-width: calc(100vw - 32px);
  max-height: 420px;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.98), rgba(30, 41, 59, 0.95));
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 14px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(16px);
  overflow: hidden;
  animation: fadeInScale 0.2s ease;
}

.notif-drawer-header {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.notif-drawer-title {
  font-size: 13px;
  font-weight: 700;
  color: #f1f5f9;
  display: flex;
  align-items: center;
  gap: 8px;
}

.badge-tag {
  font-size: 10px;
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  padding: 2px 6px;
  border-radius: 10px;
}

.notif-drawer-list {
  padding: 10px;
  overflow-y: auto;
  max-height: 340px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.notif-item {
  background: rgba(14, 21, 38, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  padding: 10px 12px;
  display: flex;
  gap: 10px;
  font-size: 12px;
}

.notif-empty {
  text-align: center;
  color: var(--text-dim);
  padding: 30px 10px;
  font-size: 12px;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .mobile-menu-hamburger-btn {
    display: flex;
  }
  .sidebar-close-btn {
    display: flex;
  }
  .breadcrumb-section {
    display: none;
  }
  .desktop-only-btn {
    display: none !important;
  }
  .user-profile-header-btn {
    display: none !important; /* Prominently available in bottom bar and drawer */
  }

  /* Slide-Out Navigation Drawer on Mobile */
  .desktop-sidebar {
    display: flex !important;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 290px;
    max-width: 85vw;
    z-index: 99999;
    background: var(--bg-card);
    box-shadow: 10px 0 35px rgba(0, 0, 0, 0.7);
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    overflow-y: auto;
  }
  [data-theme="light"] .desktop-sidebar {
    background: #ffffff;
    box-shadow: 10px 0 35px rgba(15, 23, 42, 0.2);
  }
  .desktop-sidebar.mobile-open {
    transform: translateX(0);
  }

  .top-app-bar {
    padding: 0 12px;
    height: 58px;
  }
  .top-app-right {
    gap: 8px;
  }
  .header-actions-group {
    gap: 8px;
  }
  .theme-toggle-btn {
    padding: 5px 9px;
    font-size: 11px;
  }
  .theme-toggle-btn .theme-label-text {
    display: none; /* Icon only on mobile to save space */
  }

  .content-container {
    padding: 12px 10px 84px 10px;
  }
  .mobile-bottom-nav {
    display: flex;
  }

  /* Responsive Metrics KPI Grid */
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px !important;
  }
  .kpi-card {
    padding: 12px 10px !important;
  }
  .kpi-value {
    font-size: 20px !important;
  }
  .kpi-label {
    font-size: 10px !important;
  }

  /* Section Headers */
  .section-header-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .section-title {
    font-size: 16px;
  }
  .section-desc {
    font-size: 11px;
  }

  /* Projects & Tasks Cards */
  .projects-card-grid, .students-card-grid {
    grid-template-columns: 1fr !important;
  }
  .project-card, .task-card {
    padding: 14px 12px !important;
  }
  .project-card-title {
    font-size: 14px !important;
  }
  .project-card-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .project-footer-actions {
    margin-left: 0;
    width: 100%;
    justify-content: flex-end;
  }

  /* Calendar in Mobile */
  .calendar-layout-container {
    grid-template-columns: 1fr !important;
  }
  .calendar-controls-bar {
    flex-direction: column;
    align-items: stretch;
    padding: 10px !important;
  }
  .calendar-filters-group {
    overflow-x: auto;
    white-space: nowrap;
    padding-bottom: 4px;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
  }
  .calendar-month-nav {
    justify-content: space-between;
    width: 100%;
  }
  .calendar-month-card {
    padding: 10px 8px !important;
  }
  .calendar-days-grid {
    gap: 3px !important;
  }
  .calendar-day-cell {
    min-height: 52px !important;
    padding: 3px 2px !important;
  }
  .day-number {
    font-size: 11px !important;
  }
  .day-events-badge {
    font-size: 8px !important;
    padding: 0 4px !important;
  }

  /* Kanban Board in Mobile: 1-Tap Tabbed View */
  .kanban-mobile-tabs {
    display: flex !important;
  }
  .tasks-container {
    overflow-x: visible !important;
  }
  .kanban-board {
    display: block !important;
    min-width: 100% !important;
    width: 100% !important;
    grid-template-columns: 1fr !important;
  }
  .kanban-col {
    max-height: none !important;
    width: 100% !important;
  }

  /* Modals */
  .modal-dialog {
    width: 95vw !important;
    max-width: 95vw !important;
    margin: 8px auto;
    padding: 16px 14px !important;
    max-height: 88vh;
    overflow-y: auto;
  }
  .form-row-2, .form-row-3 {
    grid-template-columns: 1fr !important;
    gap: 8px;
  }

  /* Notification Drawer */
  .notification-drawer {
    right: 8px;
    width: calc(100vw - 16px);
    max-width: 360px;
  }

  /* Conferences & Publication Hub in Mobile */
  .conf-stats-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px !important;
  }
  .conf-stat-card {
    padding: 10px 8px !important;
  }
  .conf-stat-num {
    font-size: 18px !important;
  }
  .conf-stat-label {
    font-size: 10px !important;
  }
  .view-toolbar {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 10px !important;
    margin-bottom: 14px !important;
  }
  .toolbar-left, .toolbar-right {
    width: 100% !important;
  }
  .filter-chip-group {
    display: flex !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    white-space: nowrap !important;
    padding-bottom: 6px !important;
    gap: 6px !important;
    width: 100% !important;
    scrollbar-width: none;
  }
  .filter-chip-group::-webkit-scrollbar {
    display: none;
  }
  .toolbar-right .search-input {
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .conferences-card-grid {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }
  .conf-hub-card {
    padding: 14px 12px !important;
  }
}

/* Inline Authentication Error Box */
.auth-error-box {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #fca5a5;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  animation: shakeAlert 0.3s ease;
}

.auth-error-box .error-icon {
  font-size: 16px;
  flex-shrink: 0;
}

@keyframes shakeAlert {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

/* Full-Screen Login Gate */
.login-gate-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 99999;
  background: radial-gradient(circle at 50% 20%, rgba(14, 165, 233, 0.15), transparent 60%),
              radial-gradient(circle at 80% 80%, rgba(99, 102, 241, 0.1), transparent 50%),
              #080d1a;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  overflow-y: auto;
}

.login-gate-card {
  width: 100%;
  max-width: 440px;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.96), rgba(30, 41, 59, 0.92));
  border: 1px solid rgba(56, 189, 248, 0.28);
  border-radius: 16px;
  padding: 36px 32px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 30px rgba(56, 189, 248, 0.1);
  backdrop-filter: blur(16px);
  text-align: center;
  animation: fadeInScale 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeInScale {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.login-gate-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 24px;
}

.login-gate-logo {
  width: 76px;
  height: 76px;
  object-fit: contain;
  filter: drop-shadow(0 4px 12px rgba(56, 189, 248, 0.3));
  margin-bottom: 12px;
}

.login-gate-title {
  font-size: 26px;
  font-weight: 900;
  letter-spacing: 1.5px;
  background: linear-gradient(135deg, #38bdf8, #818cf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 0;
}

.login-gate-sub {
  font-size: 13px;
  color: #94a3b8;
  margin-top: 4px;
  font-weight: 500;
}

.login-gate-badge {
  display: inline-block;
  margin-top: 10px;
  padding: 4px 12px;
  border-radius: 20px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  color: #38bdf8;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.login-gate-footer {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}

.login-gate-apk-link {
  font-size: 12px;
  color: #34d399;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  transition: all 0.2s ease;
}

.login-gate-apk-link:hover {
  background: rgba(16, 185, 129, 0.2);
  border-color: rgba(16, 185, 129, 0.5);
  transform: translateY(-1px);
}

/* ================= COMPREHENSIVE BUTTON SYSTEM ================= */
button, input[type="button"], input[type="submit"], input[type="reset"] {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
  background: none;
  color: var(--text-main);
  transition: all 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #0284c7, #2563eb) !important;
  color: #ffffff !important;
  font-weight: 600;
  font-size: 13px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.15) !important;
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.35);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  text-decoration: none;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0369a1, #1d4ed8) !important;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.55);
  transform: translateY(-1px);
}

.btn-sm-primary {
  background: linear-gradient(135deg, #0284c7, #2563eb) !important;
  color: #ffffff !important;
  font-weight: 600;
  font-size: 12px;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.15) !important;
  box-shadow: 0 2px 6px rgba(2, 132, 199, 0.3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
}

.btn-sm-primary:hover {
  background: linear-gradient(135deg, #0369a1, #1d4ed8) !important;
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08) !important;
  border: 1px solid var(--border) !important;
  color: var(--text-main) !important;
  font-weight: 600;
  font-size: 13px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15) !important;
  border-color: rgba(255, 255, 255, 0.3) !important;
  transform: translateY(-1px);
}

.btn-xs {
  background: rgba(255, 255, 255, 0.08) !important;
  border: 1px solid var(--border) !important;
  color: var(--text-main) !important;
  font-weight: 600;
  font-size: 11px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  cursor: pointer;
}

.btn-xs:hover {
  background: rgba(56, 189, 248, 0.15) !important;
  border-color: rgba(56, 189, 248, 0.4) !important;
  color: #38bdf8 !important;
  transform: translateY(-1px);
}

.btn-xs.active {
  background: #0284c7 !important;
  border-color: #0284c7 !important;
  color: #ffffff !important;
  box-shadow: 0 0 8px rgba(2, 132, 199, 0.5);
}

.btn-primary-outline {
  background: rgba(56, 189, 248, 0.1) !important;
  border: 1px solid rgba(56, 189, 248, 0.4) !important;
  color: #38bdf8 !important;
  font-weight: 600;
  font-size: 11px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.btn-primary-outline:hover {
  background: rgba(56, 189, 248, 0.25) !important;
  border-color: #38bdf8 !important;
  color: #ffffff !important;
  transform: translateY(-1px);
}

.btn-sm-outline {
  background: rgba(255, 255, 255, 0.05) !important;
  border: 1px solid var(--border) !important;
  color: var(--text-main) !important;
  font-weight: 600;
  font-size: 12px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.btn-sm-outline:hover {
  background: rgba(56, 189, 248, 0.15) !important;
  border-color: #38bdf8 !important;
  color: #38bdf8 !important;
  transform: translateY(-1px);
}

.btn-danger-outline {
  background: rgba(239, 68, 68, 0.08) !important;
  border: 1px solid rgba(239, 68, 68, 0.35) !important;
  color: #f87171 !important;
  font-weight: 600;
  font-size: 11px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-danger-outline:hover {
  background: rgba(239, 68, 68, 0.25) !important;
  border-color: #ef4444 !important;
  color: #ffffff !important;
  transform: translateY(-1px);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.15) !important;
  border: 1px solid rgba(239, 68, 68, 0.4) !important;
  color: #f87171 !important;
  font-weight: 600;
  font-size: 12px;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.3) !important;
  border-color: #ef4444 !important;
  color: #ffffff !important;
  transform: translateY(-1px);
}

/* Filter Pill Buttons (Category & Status Filters) */
.filter-pill-btn {
  background: rgba(255, 255, 255, 0.05) !important;
  border: 1px solid var(--border) !important;
  color: var(--text-muted) !important;
  font-weight: 600;
  font-size: 12px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.filter-pill-btn:hover {
  background: rgba(255, 255, 255, 0.12) !important;
  color: var(--text-main) !important;
  border-color: rgba(255, 255, 255, 0.25) !important;
  transform: translateY(-1px);
}

.filter-pill-btn.active {
  background: #0284c7 !important;
  border-color: #0284c7 !important;
  color: #ffffff !important;
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.45);
}

/* Action Edit & Delete Buttons */
.btn-outline-edit {
  background: rgba(56, 189, 248, 0.12) !important;
  border: 1px solid rgba(56, 189, 248, 0.35) !important;
  color: #38bdf8 !important;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.2s ease;
}

.btn-outline-edit:hover {
  background: rgba(56, 189, 248, 0.25) !important;
  border-color: #38bdf8 !important;
  color: #ffffff !important;
  transform: translateY(-1px);
}

.btn-outline-delete {
  background: rgba(239, 68, 68, 0.1) !important;
  border: 1px solid rgba(239, 68, 68, 0.3) !important;
  color: #f87171 !important;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.2s ease;
}

.btn-outline-delete:hover {
  background: rgba(239, 68, 68, 0.25) !important;
  border-color: #ef4444 !important;
  color: #ffffff !important;
  transform: translateY(-1px);
}

/* Theme Toggle Button */
.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.06) !important;
  border: 1px solid var(--border) !important;
  color: var(--text-main) !important;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.theme-toggle-btn:hover {
  background: rgba(56, 189, 248, 0.15) !important;
  border-color: rgba(56, 189, 248, 0.4) !important;
  color: #38bdf8 !important;
  transform: translateY(-1px);
}

/* ================= LIGHT THEME OVERRIDES ================= */
[data-theme="light"] .theme-toggle-btn {
  background: #f1f5f9 !important;
  border-color: #cbd5e1 !important;
  color: #0f172a !important;
}

[data-theme="light"] .navbar-top {
  background: rgba(255, 255, 255, 0.95);
  border-bottom-color: #e2e8f0;
}

[data-theme="light"] .desktop-sidebar {
  background: #ffffff;
  border-right-color: #e2e8f0;
}

[data-theme="light"] .nav-link {
  color: #475569;
}

[data-theme="light"] .nav-link:hover {
  background: #f1f5f9;
  color: #0f172a;
}

[data-theme="light"] .nav-link.active {
  background: rgba(2, 132, 199, 0.1);
  color: #0284c7;
  border-left-color: #0284c7;
}

[data-theme="light"] .project-card,
[data-theme="light"] .task-card,
[data-theme="light"] .student-card,
[data-theme="light"] .cluster-node-card,
[data-theme="light"] .modal-dialog,
[data-theme="light"] .login-gate-card {
  background: #ffffff;
  border-color: #e2e8f0;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
}

[data-theme="light"] .form-input,
[data-theme="light"] select.form-input,
[data-theme="light"] textarea.form-input {
  background: #f8fafc;
  border-color: #cbd5e1;
  color: #0f172a;
}

[data-theme="light"] .form-input:focus {
  border-color: #0284c7;
  background: #ffffff;
}

[data-theme="light"] .btn-secondary {
  background: #f1f5f9 !important;
  border-color: #cbd5e1 !important;
  color: #334155 !important;
}

[data-theme="light"] .btn-secondary:hover {
  background: #e2e8f0 !important;
  border-color: #94a3b8 !important;
  color: #0f172a !important;
}

[data-theme="light"] .btn-xs {
  background: #f1f5f9 !important;
  border-color: #cbd5e1 !important;
  color: #334155 !important;
}

[data-theme="light"] .btn-xs:hover {
  background: #e2e8f0 !important;
  color: #0284c7 !important;
}

[data-theme="light"] .btn-xs.active {
  background: #0284c7 !important;
  border-color: #0284c7 !important;
  color: #ffffff !important;
}

[data-theme="light"] .btn-primary-outline {
  background: rgba(2, 132, 199, 0.08) !important;
  border-color: #0284c7 !important;
  color: #0284c7 !important;
}

[data-theme="light"] .btn-primary-outline:hover {
  background: #0284c7 !important;
  color: #ffffff !important;
}

[data-theme="light"] .btn-sm-outline {
  background: #f1f5f9 !important;
  border-color: #cbd5e1 !important;
  color: #334155 !important;
}

[data-theme="light"] .btn-sm-outline:hover {
  background: #e2e8f0 !important;
  color: #0284c7 !important;
  border-color: #0284c7 !important;
}

[data-theme="light"] .filter-pill-btn {
  background: #f1f5f9 !important;
  border-color: #e2e8f0 !important;
  color: #475569 !important;
}

[data-theme="light"] .filter-pill-btn:hover {
  background: #e2e8f0 !important;
  color: #0f172a !important;
  border-color: #cbd5e1 !important;
}

[data-theme="light"] .filter-pill-btn.active {
  background: #0284c7 !important;
  color: #ffffff !important;
  border-color: #0284c7 !important;
}

[data-theme="light"] .btn-outline-edit {
  background: rgba(2, 132, 199, 0.08) !important;
  border-color: rgba(2, 132, 199, 0.35) !important;
  color: #0284c7 !important;
}

[data-theme="light"] .btn-outline-edit:hover {
  background: #0284c7 !important;
  color: #ffffff !important;
}

[data-theme="light"] .btn-outline-delete {
  background: rgba(239, 68, 68, 0.08) !important;
  border-color: rgba(239, 68, 68, 0.35) !important;
  color: #dc2626 !important;
}

[data-theme="light"] .btn-outline-delete:hover {
  background: #dc2626 !important;
  color: #ffffff !important;
}

[data-theme="light"] .notification-drawer {
  background: #ffffff;
  border-color: #e2e8f0;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.15);
}

[data-theme="light"] .notif-drawer-header {
  background: #f8fafc;
}

[data-theme="light"] .badge-tag {
  background: rgba(2, 132, 199, 0.12);
  color: #0284c7;
}

[data-theme="light"] .notif-item {
  background: #f8fafc;
  border-color: #e2e8f0;
}

[data-theme="light"] .activity-thread-item {
  background: #f8fafc;
  border-color: #e2e8f0;
}

[data-theme="light"] .badge-progress-snap {
  background: rgba(2, 132, 199, 0.1);
  border-color: rgba(2, 132, 199, 0.3);
  color: #0284c7;
}

[data-theme="light"] .calendar-month-card,
[data-theme="light"] .calendar-sidebar-panel,
[data-theme="light"] .calendar-controls-bar {
  background: #ffffff;
  border-color: #e2e8f0;
}

[data-theme="light"] .calendar-day-cell {
  background: #f8fafc;
}

[data-theme="light"] .calendar-event-card {
  background: #f8fafc;
  border-color: #e2e8f0;
}

[data-theme="light"] .data-table th {
  background: #f1f5f9;
  color: #475569;
}

[data-theme="light"] .data-table td {
  border-color: #e2e8f0;
  color: #0f172a;
}

[data-theme="light"] .project-notes-box {
  background: #f8fafc;
  border-color: #e2e8f0;
  color: #334155;
}

[data-theme="light"] .quick-update-box {
  background: #f8fafc;
  border-color: #e2e8f0;
}

/* ================= ACADEMIC CALENDAR & TA DUTIES ================= */
.calendar-view-wrapper {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.calendar-controls-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  margin-bottom: 16px;
}

.calendar-filters-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.calendar-month-nav {
  display: flex;
  align-items: center;
  gap: 10px;
}

.calendar-month-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  min-width: 150px;
  text-align: center;
}

.calendar-layout-container {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 18px;
  align-items: start;
}

@media (max-width: 1024px) {
  .calendar-layout-container {
    grid-template-columns: 1fr;
  }
}

.calendar-month-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: var(--shadow-sm);
}

.calendar-weekdays-header {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}

.calendar-days-grid {
  display: grid !important;
  grid-template-columns: repeat(7, 1fr) !important;
  gap: 6px !important;
}

.calendar-day-cell {
  min-height: 80px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

[data-theme="light"] .calendar-day-cell {
  background: #f8fafc;
}

.calendar-day-cell:hover {
  background: rgba(56, 189, 248, 0.08);
  border-color: rgba(56, 189, 248, 0.4);
  transform: translateY(-1px);
}

.calendar-day-cell.other-month {
  opacity: 0.35;
  cursor: default;
}

.calendar-day-cell.today {
  border-color: #38bdf8;
  background: rgba(56, 189, 248, 0.06);
}

.calendar-day-cell.today .day-number {
  color: #38bdf8;
  font-weight: 800;
}

.calendar-day-cell.selected {
  border-color: #a855f7;
  background: rgba(168, 85, 247, 0.12);
  box-shadow: 0 0 8px rgba(168, 85, 247, 0.3);
}

.calendar-day-cell.selected .day-number {
  color: #c084fc;
  font-weight: 800;
}

.day-cell-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.day-number {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
}

.day-events-badge {
  font-size: 10px;
  font-weight: 700;
  background: rgba(168, 85, 247, 0.2);
  color: #c084fc;
  border-radius: var(--radius-full);
  padding: 1px 6px;
}

.day-event-dots-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 3px;
  margin-top: 4px;
}

.event-mini-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #38bdf8;
}

.event-mini-dot.ta_duty { background: #8b5cf6; }
.event-mini-dot.deadline { background: #f59e0b; }
.event-mini-dot.conference { background: #ec4899; }
.event-mini-dot.meeting { background: #10b981; }
.event-mini-dot.reminder { background: #06b6d4; }

.event-more-tag {
  font-size: 9px;
  color: var(--text-muted);
  font-weight: 700;
}

/* Calendar Timeline / Sidebar Panel */
.calendar-sidebar-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: var(--shadow-sm);
}

.schedule-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.calendar-events-timeline {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 540px;
  overflow-y: auto;
  padding-right: 4px;
}

.calendar-event-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-left: 4px solid #8b5cf6;
  border-radius: var(--radius-sm);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: all 0.2s ease;
}

[data-theme="light"] .calendar-event-card {
  background: #f8fafc;
}

.calendar-event-card.ta-duty { border-left-color: #8b5cf6; }
.calendar-event-card.deadline { border-left-color: #f59e0b; }
.calendar-event-card.conference { border-left-color: #ec4899; }
.calendar-event-card.meeting { border-left-color: #10b981; }
.calendar-event-card.reminder { border-left-color: #06b6d4; }

.calendar-event-card:hover {
  transform: translateX(2px);
  border-color: rgba(255, 255, 255, 0.15);
}

.event-type-pill {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.event-type-pill.ta-duty { background: rgba(139, 92, 246, 0.15); color: #a78bfa; }
.event-type-pill.deadline { background: rgba(245, 158, 11, 0.15); color: #fbbf24; }
.event-type-pill.conference { background: rgba(236, 72, 153, 0.15); color: #f472b6; }
.event-type-pill.meeting { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.event-type-pill.reminder { background: rgba(6, 182, 212, 0.15); color: #22d3ee; }

.event-card-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.3;
}

.event-card-desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
}

.event-meta-grid {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 11px;
  color: var(--text-muted);
}

.event-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.event-assignee-box {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
  padding-top: 6px;
  border-top: 1px solid var(--border);
}

.assignee-avatar-sm {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  font-weight: 700;
  color: #ffffff;
}

.event-actions-row {
  display: flex;
  align-items: center;
  gap: 4px;
}

@media (max-width: 640px) {
  .calendar-days-grid {
    gap: 3px !important;
  }
  .calendar-day-cell {
    min-height: 55px;
    padding: 4px 2px;
  }
  .day-number {
    font-size: 11px;
  }
  .day-events-badge {
    font-size: 8px;
    padding: 1px 4px;
  }
}