/* ==========================================================================
   STUDENT MANAGEMENT PLATFORM - MODERN DESIGN SYSTEM & THEME
   Light Mode & Dark Mode + Micro-Interactions & Responsive Layout
   ========================================================================== */

:root,
[data-theme="light"] {
  --bg-page: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #ffffff;
  --bg-surface-hover: #f1f5f9;
  --bg-sidebar: #0f172a;
  --sidebar-text: #f1f5f9;
  --sidebar-muted: #94a3b8;
  --sidebar-hover: #1e293b;
  --sidebar-active: #334155;
  --sidebar-border: #1e293b;
  --border-color: #e2e8f0;
  --border-subtle: #f1f5f9;
  --border-focus: #6366f1;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-subtle: #94a3b8;
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  --primary-gradient-hover: linear-gradient(135deg, #4338ca 0%, #6d28d9 100%);
  --primary-light: #eef2ff;
  --primary-ring: rgba(79, 70, 229, 0.18);
  --accent-purple: #7c3aed;
  --input-bg: #ffffff;
  --input-border: #cbd5e1;
  --table-head-bg: #f8fafc;
  --table-head-text: #475569;
  --table-row-hover: #f8fafc;
  --table-border: #f1f5f9;
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-modal: 0 25px 50px -12px rgba(15, 23, 42, 0.25);
  --modal-backdrop: rgba(15, 23, 42, 0.55);
  --badge-admin-bg: #fdf4ff;
  --badge-admin-text: #9333ea;
  --badge-student-bg: #eff6ff;
  --badge-student-text: #2563eb;
}

[data-theme="dark"] {
  --bg-page: #0b0f19;
  --bg-surface: #111827;
  --bg-surface-elevated: #1f2937;
  --bg-surface-hover: #1e293b;
  --bg-sidebar: #070a12;
  --sidebar-text: #f8fafc;
  --sidebar-muted: #818cf8;
  --sidebar-hover: #131c2e;
  --sidebar-active: #1e293b;
  --sidebar-border: #161f30;
  --border-color: #1f293d;
  --border-subtle: #162032;
  --border-focus: #818cf8;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;
  --primary: #6366f1;
  --primary-hover: #818cf8;
  --primary-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --primary-gradient-hover: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  --primary-light: rgba(99, 102, 241, 0.16);
  --primary-ring: rgba(99, 102, 241, 0.35);
  --accent-purple: #a78bfa;
  --input-bg: #151d2f;
  --input-border: #27354f;
  --table-head-bg: #0d1424;
  --table-head-text: #94a3b8;
  --table-row-hover: #162136;
  --table-border: #1a2436;
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
  --shadow-modal: 0 25px 50px -12px rgba(0, 0, 0, 0.75);
  --modal-backdrop: rgba(3, 7, 18, 0.8);
  --badge-admin-bg: rgba(168, 85, 247, 0.15);
  --badge-admin-text: #c084fc;
  --badge-student-bg: rgba(59, 130, 246, 0.15);
  --badge-student-text: #60a5fa;
}

/* ==========================================================================
   RESET & GLOBAL TYPOGRAPHY
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  font-family: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 13.5px;
  line-height: 1.5;
  background-color: var(--bg-page);
  color: var(--text-main);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.25s ease, color 0.25s ease;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

.hidden {
  display: none !important;
}

/* Monospace & USN */
.usn-text {
  font-family: "JetBrains Mono", monospace;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* ==========================================================================
   BRAND STYLING
   ========================================================================== */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  background: var(--primary-gradient);
  color: #ffffff;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
  flex-shrink: 0;
}

.brand-text {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.3px;
  color: #ffffff;
}

/* ==========================================================================
   THEME TOGGLE BUTTON
   ========================================================================== */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: 9999px;
  background: var(--bg-surface-hover);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 12px;
  font-weight: 600;
  transition: all 0.2s ease;
}

.theme-toggle:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-1px);
}

/* Show sun in dark mode, moon in light mode */
[data-theme="dark"] .theme-toggle .moon-icon {
  display: none;
}
[data-theme="dark"] .theme-toggle .sun-icon {
  display: inline-block;
}

[data-theme="light"] .theme-toggle .sun-icon {
  display: none;
}
[data-theme="light"] .theme-toggle .moon-icon {
  display: inline-block;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 8.5px 15px;
  border-radius: 9px;
  font-size: 12.5px;
  font-weight: 600;
  border: 1px solid transparent;
  white-space: nowrap;
  transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn:active {
  transform: scale(0.98);
}

.btn.primary {
  background: var(--primary-gradient);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(79, 70, 229, 0.3);
}

.btn.primary:hover {
  background: var(--primary-gradient-hover);
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.45);
  transform: translateY(-1px);
}

.btn.light {
  background: var(--bg-surface);
  border-color: var(--border-color);
  color: var(--text-main);
  box-shadow: var(--shadow-xs);
}

.btn.light:hover {
  background: var(--bg-surface-hover);
  border-color: var(--text-subtle);
}

.btn.quiet {
  background: transparent;
  color: var(--text-muted);
}

.btn.quiet:hover {
  background: var(--bg-surface-hover);
  color: var(--text-main);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.btn-arrow {
  transition: transform 0.2s ease;
}

.btn:hover .btn-arrow {
  transform: translateX(3px);
}

/* ==========================================================================
   AUTHENTICATION VIEW (SPLIT-SCREEN HERO + FORM)
   ========================================================================== */
.auth {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  background: var(--bg-surface);
}

.hero {
  position: relative;
  background: linear-gradient(150deg, #090d16 0%, #15162c 55%, #0b0f19 100%);
  color: #ffffff;
  padding: 48px 8%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -20%;
  left: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.18) 0%, transparent 70%);
  pointer-events: none;
}

.hero-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.hero-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 4px 10px;
  border-radius: 9999px;
  background: rgba(99, 102, 241, 0.2);
  color: #c7d2fe;
  border: 1px solid rgba(99, 102, 241, 0.35);
}

.hero-copy {
  margin: 60px 0;
  max-width: 520px;
}

.eyebrow {
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 1.8px;
  color: #818cf8;
  display: block;
  margin-bottom: 14px;
}

.hero-copy h1 {
  font-size: clamp(34px, 4.2vw, 56px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -1.5px;
  margin: 0 0 20px;
}

.gradient-text {
  background: linear-gradient(135deg, #a5b4fc 0%, #818cf8 50%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-copy p {
  font-size: 15px;
  line-height: 1.7;
  color: #94a3b8;
  margin: 0 0 35px;
}

.hero-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hero-feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.feat-icon {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: rgba(99, 102, 241, 0.25);
  color: #818cf8;
  font-size: 12px;
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 1px;
}

.hero-feature strong {
  display: block;
  font-size: 13.5px;
  color: #f1f5f9;
}

.hero-feature span {
  font-size: 12px;
  color: #94a3b8;
}

.hero-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11.5px;
  color: #64748b;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.foot-tag {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.8px;
  color: #818cf8;
}

/* Auth Form Side */
.auth-main {
  display: flex;
  flex-direction: column;
  padding: 30px 40px;
  position: relative;
  background: var(--bg-surface);
}

.auth-topbar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 20px;
}

.auth-box {
  margin: auto;
  width: min(420px, 100%);
}

.mobile-brand {
  display: none;
  margin-bottom: 25px;
}

.tabs {
  display: flex;
  gap: 10px;
  padding: 4px;
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: 11px;
  margin-bottom: 28px;
}

.tab {
  flex: 1;
  padding: 9px 0;
  border-radius: 8px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.tab.active {
  background: var(--bg-surface);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.auth-heading {
  margin-bottom: 24px;
}

.sub-label {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: var(--primary);
  display: block;
  margin-bottom: 6px;
}

.auth-heading h2 {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.6px;
  margin: 0 0 6px;
  color: var(--text-main);
}

.muted {
  color: var(--text-muted);
  margin: 0;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}

.field label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-main);
}

.field label .req {
  color: #ef4444;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 10.5px 14px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 9px;
  color: var(--text-main);
  outline: none;
  transition: all 0.18s ease;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--primary-ring);
}

.btn.full {
  width: 100%;
  padding: 12px;
  margin-top: 10px;
  display: flex;
  justify-content: space-between;
}

.error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  margin: 12px 0;
}

.auth-hint {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 26px;
  padding: 12px 14px;
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: 9px;
  font-size: 11.5px;
  color: var(--text-muted);
  line-height: 1.6;
}

.hint-icon {
  font-size: 14px;
  flex-shrink: 0;
}

.auth-hint strong {
  color: var(--text-main);
}

/* ==========================================================================
   WORKSPACE SHELL & SIDEBAR
   ========================================================================== */
.shell {
  min-height: 100vh;
  display: flex;
  background: var(--bg-page);
}

.sidebar {
  width: 250px;
  position: fixed;
  inset: 0 auto 0 0;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--sidebar-border);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  z-index: 40;
}

.sidebar .brand {
  padding: 0 8px 32px;
}

.nav-section {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-label {
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: var(--sidebar-muted);
  padding: 0 12px;
  margin-bottom: 8px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 11px 14px;
  border-radius: 9px;
  color: #94a3b8;
  font-weight: 600;
  font-size: 13px;
  text-align: left;
  transition: all 0.18s ease;
}

.nav svg {
  color: #64748b;
  transition: color 0.18s ease;
}

.nav:hover {
  background: var(--sidebar-hover);
  color: #ffffff;
}

.nav:hover svg {
  color: #ffffff;
}

.nav.active {
  background: var(--sidebar-active);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.nav.active svg {
  color: var(--primary);
}

.side-bottom {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 0 4px;
}

.system-status {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
}

.status-indicator.live {
  width: 9px;
  height: 9px;
  border-radius: 9999px;
  background: #10b981;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.25);
  animation: pulse-dot 2s infinite ease-in-out;
  flex-shrink: 0;
}

@keyframes pulse-dot {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.25);
  }
  50% {
    transform: scale(1.15);
    box-shadow: 0 0 0 6px rgba(16, 185, 129, 0.1);
  }
}

.status-details strong {
  display: block;
  font-size: 11.5px;
  color: #f1f5f9;
}

.status-details small {
  display: block;
  font-size: 10px;
  color: #94a3b8;
}

.platform-version {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10.5px;
  color: #64748b;
  padding: 0 6px;
}

.vtag {
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: "JetBrains Mono", monospace;
  font-size: 9.5px;
  color: #94a3b8;
}

/* ==========================================================================
   MAIN VIEWPORT & TOPBAR
   ========================================================================== */
.main {
  margin-left: 250px;
  width: calc(100% - 250px);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  height: 68px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  padding: 0 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(12px);
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

.crumb {
  font-size: 12.5px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.crumb-sep {
  color: var(--text-subtle);
}

.crumb strong {
  color: var(--text-main);
  font-weight: 700;
}

.user-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.badge {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.8px;
  padding: 5px 10px;
  border-radius: 9999px;
}

.badge:is(:empty) {
  display: none;
}

/* Role Badges */
#roleBadge {
  background: var(--badge-student-bg);
  color: var(--badge-student-text);
  border: 1px solid currentColor;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-left: 6px;
}

.avatar {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--primary-gradient);
  color: #ffffff;
  font-weight: 800;
  font-size: 13.5px;
  box-shadow: 0 2px 6px rgba(79, 70, 229, 0.25);
  flex-shrink: 0;
}

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

.user-meta b {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
}

.user-meta small {
  font-size: 10.5px;
  color: var(--text-muted);
}

.icon-btn {
  padding: 7px 12px;
}

/* ==========================================================================
   CONTENT AREA & DASHBOARD METRICS
   ========================================================================== */
.content {
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
  padding: 32px 36px 48px;
  flex: 1;
}

.heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 26px;
}

.heading h1 {
  font-size: clamp(24px, 2.5vw, 32px);
  font-weight: 800;
  letter-spacing: -0.8px;
  margin: 4px 0 6px;
  color: var(--text-main);
}

.highlight {
  color: var(--primary);
}

.date-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  box-shadow: var(--shadow-xs);
}

/* Metrics Grid */
.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 26px;
}

.metric-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 20px;
  box-shadow: var(--shadow-xs);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.metric-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-focus);
}

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

.metric-label {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1.2px;
  color: var(--text-muted);
}

.metric-icon {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  font-size: 15px;
  background: var(--bg-surface-hover);
}

.metric-value {
  display: block;
  font-size: 34px;
  font-weight: 800;
  letter-spacing: -1.2px;
  color: var(--text-main);
  margin: 12px 0 6px;
}

.metric-sub {
  margin: 0;
  padding-top: 10px;
  border-top: 1px solid var(--border-subtle);
  font-size: 11.5px;
  color: var(--text-muted);
}

/* ==========================================================================
   DIRECTORY CARD, SEARCH, FILTERS & TABLE
   ========================================================================== */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: var(--shadow-xs);
  overflow: hidden;
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

.card-head {
  padding: 22px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.card-head h2 {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.4px;
  margin: 3px 0 4px;
  color: var(--text-main);
}

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

/* Filter Controls */
.filters {
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
}

.search-box {
  flex: 1;
  min-width: 220px;
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 12px;
  color: var(--text-subtle);
  pointer-events: none;
}

.search-box input {
  width: 100%;
  padding: 9.5px 14px 9.5px 36px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 9px;
  color: var(--text-main);
  outline: none;
  font-size: 12.5px;
  transition: all 0.18s ease;
}

.search-box input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--primary-ring);
}

.filter-selects {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.select-wrap select {
  padding: 9.5px 14px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 9px;
  color: var(--text-main);
  outline: none;
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.18s ease;
}

.select-wrap select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--primary-ring);
}

.reset-btn {
  border: 1px solid var(--border-color);
  padding: 8.5px 13px;
  border-radius: 9px;
  font-size: 12px;
}

.reset-btn:hover {
  background: var(--bg-surface-hover);
  color: var(--primary);
  border-color: var(--primary);
}

/* Table Styling */
.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  white-space: nowrap;
}

thead {
  background: var(--table-head-bg);
  border-bottom: 1px solid var(--border-color);
}

th {
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.9px;
  color: var(--table-head-text);
  padding: 13px 20px;
}

td {
  font-size: 12.5px;
  padding: 14px 20px;
  border-top: 1px solid var(--table-border);
  color: var(--text-main);
  vertical-align: middle;
}

tbody tr {
  transition: background-color 0.15s ease;
}

tbody tr:hover {
  background-color: var(--table-row-hover);
}

/* Person Cell */
.person {
  display: flex;
  align-items: center;
  gap: 12px;
}

.initial {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  font-weight: 800;
  font-size: 12.5px;
  flex-shrink: 0;
  color: #ffffff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* Avatar Pastel Gradient Variations */
.avatar-0 { background: linear-gradient(135deg, #6366f1, #8b5cf6); }
.avatar-1 { background: linear-gradient(135deg, #ec4899, #f43f5e); }
.avatar-2 { background: linear-gradient(135deg, #0ea5e9, #3b82f6); }
.avatar-3 { background: linear-gradient(135deg, #10b981, #059669); }
.avatar-4 { background: linear-gradient(135deg, #f59e0b, #d97706); }
.avatar-5 { background: linear-gradient(135deg, #8b5cf6, #d946ef); }

.pname {
  display: block;
  font-weight: 700;
  color: var(--text-main);
}

.sub {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Department Badges */
.dept-badge {
  display: inline-block;
  padding: 4px 9px;
  border-radius: 6px;
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.dept-CSE   { background: rgba(99, 102, 241, 0.15); color: #6366f1; border: 1px solid rgba(99, 102, 241, 0.25); }
.dept-AIML  { background: rgba(168, 85, 247, 0.15); color: #a855f7; border: 1px solid rgba(168, 85, 247, 0.25); }
.dept-ISE   { background: rgba(14, 165, 233, 0.15); color: #0ea5e9; border: 1px solid rgba(14, 165, 233, 0.25); }
.dept-ECE   { background: rgba(245, 158, 11, 0.15); color: #f59e0b; border: 1px solid rgba(245, 158, 11, 0.25); }
.dept-EEE   { background: rgba(234, 179, 8, 0.15);  color: #eab308; border: 1px solid rgba(234, 179, 8, 0.25); }
.dept-ME    { background: rgba(239, 68, 68, 0.15);  color: #ef4444; border: 1px solid rgba(239, 68, 68, 0.25); }
.dept-CIV   { background: rgba(16, 185, 129, 0.15); color: #10b981; border: 1px solid rgba(16, 185, 129, 0.25); }
.dept-DS    { background: rgba(6, 182, 212, 0.15);  color: #06b6d4; border: 1px solid rgba(6, 182, 212, 0.25); }
.dept-OTHER { background: rgba(100, 116, 139, 0.15); color: #64748b; border: 1px solid rgba(100, 116, 139, 0.25); }

/* Status Badges */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 700;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 9999px;
}

.status-Active {
  background: rgba(16, 185, 129, 0.14);
  color: #10b981;
}
.status-Active .status-dot {
  background: #10b981;
}

.status-On-Leave {
  background: rgba(245, 158, 11, 0.14);
  color: #f59e0b;
}
.status-On-Leave .status-dot {
  background: #f59e0b;
}

.status-Graduated {
  background: rgba(100, 116, 139, 0.14);
  color: #94a3b8;
}
.status-Graduated .status-dot {
  background: #94a3b8;
}

/* Row Actions */
.row-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.action {
  padding: 5.5px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-main);
  transition: all 0.15s ease;
}

.action:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}

.action.delete:hover {
  background: rgba(239, 68, 68, 0.12);
  border-color: #ef4444;
  color: #ef4444;
}

/* Empty State */
.empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.empty-icon {
  font-size: 32px;
  opacity: 0.8;
}

.empty-state strong {
  font-size: 15px;
  color: var(--text-main);
}

.empty-state p {
  font-size: 12.5px;
  color: var(--text-muted);
  margin: 0;
}

/* Table Foot & Pagination */
.table-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  background: var(--bg-surface);
}

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

.pagination-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-btn {
  padding: 6px 12px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 11.5px;
  font-weight: 600;
}

.page-btn:not(:disabled):hover {
  background: var(--bg-surface-hover);
  color: var(--text-main);
  border-color: var(--text-subtle);
}

.page-indicator {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text-main);
  padding: 4px 8px;
}

/* ==========================================================================
   APP FOOTER
   ========================================================================== */
.app-footer {
  text-align: center;
  padding: 32px 0 16px;
  color: var(--text-subtle);
  font-size: 11.5px;
}

/* ==========================================================================
   MODAL DIALOG (ADD / EDIT STUDENT)
   ========================================================================== */
dialog {
  width: min(540px, calc(100% - 32px));
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 0;
  background: var(--bg-surface);
  color: var(--text-main);
  box-shadow: var(--shadow-modal);
  overflow: hidden;
}

dialog::backdrop {
  background: var(--modal-backdrop);
  backdrop-filter: blur(8px);
}

.modal-form {
  padding: 28px;
  display: flex;
  flex-direction: column;
}

.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-head h2 {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin: 3px 0 0;
  color: var(--text-main);
}

.close-btn {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--bg-surface-hover);
  color: var(--text-muted);
  font-size: 20px;
  line-height: 1;
  transition: all 0.15s ease;
}

.close-btn:hover {
  background: rgba(239, 68, 68, 0.12);
  color: #ef4444;
}

.form-body {
  display: flex;
  flex-direction: column;
}

.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--border-subtle);
}

/* ==========================================================================
   TOAST NOTIFICATION
   ========================================================================== */
.toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  padding: 12px 18px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  z-index: 100;
  animation: slide-up 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: center;
  gap: 8px;
}

@keyframes slide-up {
  from {
    transform: translateY(16px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.toast.success {
  background: #065f46;
  color: #ecfdf5;
  border: 1px solid #059669;
}

.toast.error {
  background: #991b1b;
  color: #fef2f2;
  border: 1px solid #dc2626;
}

/* ==========================================================================
   RESPONSIVE DESIGN (TABLETS & MOBILE SCREENS)
   ========================================================================== */
@media (max-width: 1080px) {
  .sidebar {
    width: 210px;
  }
  .main {
    margin-left: 210px;
    width: calc(100% - 210px);
  }
  .content {
    padding: 24px 20px;
  }
  .metrics {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .auth {
    grid-template-columns: 1fr;
  }
  .hero {
    display: none;
  }
  .auth-main {
    padding: 24px 18px;
  }
  .mobile-brand {
    display: flex;
  }
  .sidebar {
    display: none;
  }
  .main {
    margin-left: 0;
    width: 100%;
  }
  .topbar {
    padding: 0 16px;
    height: auto;
    min-height: 60px;
  }
  .crumb {
    display: none;
  }
  .content {
    padding: 16px 14px;
  }
  .heading {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .metrics {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .card-head {
    flex-direction: column;
    align-items: flex-start;
    padding: 16px;
  }
  .actions {
    width: 100%;
  }
  .actions .btn {
    flex: 1;
  }
  .filters {
    padding: 14px 16px;
  }
  .filter-selects {
    width: 100%;
  }
  .select-wrap {
    flex: 1;
    min-width: 140px;
  }
  .select-wrap select {
    width: 100%;
  }
  .two {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .user-profile .user-meta {
    display: none;
  }
}


/* ==========================================================================
   STUDENT ACADEMIC HUB, DOSSIER & ATTENDANCE EXTENSIONS
   ========================================================================== */

/* Nav pill badge */
.nav-pill {
  margin-left: auto;
  font-size: 9.5px;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: 9999px;
  background: var(--primary);
  color: #ffffff;
  letter-spacing: 0.5px;
}

/* Three column layout for modal dialog */
.three {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

@media (max-width: 600px) {
  .three {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

/* Warning metric card */
.metric-icon.warning {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
}
.warning-text {
  color: #ef4444 !important;
}

/* Attendance Column in Table */
.att-cell {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 110px;
}

.att-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.att-pct {
  font-weight: 700;
  font-size: 11.5px;
}

.att-track {
  width: 100%;
  height: 6px;
  background: var(--bg-surface-hover);
  border-radius: 9999px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}

.att-bar {
  height: 100%;
  border-radius: 9999px;
  transition: width 0.3s ease;
}

.att-good .att-bar {
  background: linear-gradient(90deg, #10b981, #059669);
}
.att-good .att-pct {
  color: #10b981;
}

.att-warning .att-bar {
  background: linear-gradient(90deg, #f59e0b, #d97706);
}
.att-warning .att-pct {
  color: #f59e0b;
}

.att-shortage .att-bar {
  background: linear-gradient(90deg, #ef4444, #dc2626);
}
.att-shortage .att-pct {
  color: #ef4444;
}

/* CGPA Badge */
.cgpa-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 6px;
  background: var(--bg-surface-hover);
  border: 1px solid var(--border-color);
  font-family: "JetBrains Mono", monospace;
  font-weight: 700;
  font-size: 11.5px;
  color: var(--text-main);
}

/* Fee Badges */
.fee-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 10.5px;
  font-weight: 700;
}
.fee-Paid {
  background: rgba(16, 185, 129, 0.14);
  color: #10b981;
}
.fee-Pending {
  background: rgba(239, 68, 68, 0.14);
  color: #ef4444;
}
.fee-Partial {
  background: rgba(245, 158, 11, 0.14);
  color: #f59e0b;
}

/* View Profile Action */
.action.view {
  background: var(--bg-surface);
  color: var(--primary);
  border-color: var(--border-color);
}
.action.view:hover {
  background: var(--primary-light);
  border-color: var(--primary);
}

/* Student Quick Banner */
.student-banner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 24px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}

.banner-avatar {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: 16px;
  font-size: 26px;
  font-weight: 800;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
  flex-shrink: 0;
}

.banner-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

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

.banner-title-row h2 {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.4px;
  margin: 0;
  color: var(--text-main);
}

.usn-pill {
  background: var(--bg-surface-hover);
  border: 1px solid var(--border-color);
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 11px;
}

.sem-pill {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 700;
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 6px;
}

.banner-meta-row {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 12.5px;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.hub-selector-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 5px;
}

.small-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--text-subtle);
  text-transform: uppercase;
}

.hub-select {
  padding: 8px 12px;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-main);
  font-size: 12px;
  font-weight: 600;
  outline: none;
  cursor: pointer;
}

/* Hub Grid Layout */
.hub-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.hub-card.full-width {
  grid-column: 1 / -1;
}

.hub-card {
  padding: 24px;
}

.hub-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

.hub-card-header h3 {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.3px;
  margin: 3px 0 0;
  color: var(--text-main);
}

.tag-safe {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 9999px;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.tag-danger {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 9999px;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Attendance Visual Gauge */
.attendance-visual {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 16px 20px;
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  margin-bottom: 20px;
}

.attendance-metric-big {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.big-percent {
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -1.5px;
  color: var(--primary);
  line-height: 1;
}

.attendance-metric-big small {
  font-size: 10px;
  color: var(--text-muted);
  font-weight: 700;
  margin-top: 4px;
}

.attendance-gauge-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.gauge-bar {
  width: 100%;
  height: 12px;
  background: var(--input-border);
  border-radius: 9999px;
  position: relative;
  overflow: visible;
}

.gauge-fill {
  height: 100%;
  background: var(--primary-gradient);
  border-radius: 9999px;
  transition: width 0.4s ease;
}

.gauge-target-line {
  position: absolute;
  top: -3px;
  bottom: -3px;
  width: 3px;
  background: #f59e0b;
  border-radius: 2px;
  z-index: 2;
  box-shadow: 0 0 6px rgba(245, 158, 11, 0.6);
}

.gauge-labels {
  display: flex;
  justify-content: space-between;
  font-size: 10.5px;
  color: var(--text-subtle);
  font-weight: 600;
}

.threshold-label {
  color: #f59e0b;
  font-weight: 700;
}

/* Interactive Bunk & Recovery Calculator */
.bunk-calculator {
  padding: 18px;
  background: var(--bg-surface-hover);
  border: 1px solid var(--border-color);
  border-radius: 12px;
}

.calc-header strong {
  display: block;
  font-size: 13px;
  color: var(--text-main);
}

.calc-inputs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 14px 0;
}

.calc-field label {
  display: block;
  font-size: 10.5px;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.calc-field input {
  width: 100%;
  padding: 7px 10px;
  border-radius: 7px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  font-size: 12.5px;
  font-weight: 700;
  outline: none;
}

.calc-result {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
}

.calc-result.safe {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #10b981;
}

.calc-result.danger {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

.calc-result p {
  margin: 0;
}

/* CGPA Card Styles */
.cgpa-body {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  margin-bottom: 20px;
}

.cgpa-number {
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -1.5px;
  color: var(--primary);
  display: block;
  line-height: 1;
}

.cgpa-stat span {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
  display: block;
}

.cgpa-badge-wrap {
  text-align: right;
}

.standing-pill {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 9999px;
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 800;
  font-size: 11.5px;
  margin-bottom: 4px;
}

.cgpa-star {
  font-size: 22px;
}

.quick-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.qstat {
  padding: 12px 14px;
  background: var(--bg-surface-hover);
  border: 1px solid var(--border-color);
  border-radius: 10px;
}

.qstat small {
  display: block;
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: 0.8px;
  color: var(--text-muted);
}

.qstat strong {
  display: block;
  font-size: 16px;
  color: var(--text-main);
  margin-top: 4px;
}

.text-safe {
  color: #10b981;
}

/* Subject-wise Attendance Breakdown */
.subjects-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.subject-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 16px;
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  transition: all 0.15s ease;
}

.subject-row:hover {
  background: var(--bg-surface-hover);
  border-color: var(--border-focus);
}

.sub-info {
  flex: 1;
}

.sub-info strong {
  display: block;
  font-size: 13px;
  color: var(--text-main);
}

.sub-info small {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
}

.sub-bar-wrap {
  flex: 1.2;
  display: flex;
  align-items: center;
  gap: 12px;
}

.progress-bar {
  flex: 1;
  height: 8px;
  background: var(--input-border);
  border-radius: 9999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 9999px;
}

.fill-good {
  background: linear-gradient(90deg, #10b981, #059669);
}

.fill-shortage {
  background: linear-gradient(90deg, #ef4444, #dc2626);
}

.sub-count {
  font-size: 11.5px;
  font-weight: 600;
  min-width: 120px;
  color: var(--text-muted);
}

.sub-tag {
  font-size: 10.5px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 9999px;
}

.tag-good {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
}

.tag-shortage {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
}

/* Timetable Styles */
.day-switcher {
  display: flex;
  gap: 5px;
  background: var(--bg-page);
  padding: 3px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.day-btn {
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  transition: all 0.15s ease;
}

.day-btn.active {
  background: var(--primary);
  color: #ffffff;
}

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

.time-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 14px;
  border-radius: 9px;
  background: var(--bg-page);
  border: 1px solid var(--border-color);
}

.time-item.break {
  background: var(--bg-surface-hover);
  border-style: dashed;
  color: var(--text-muted);
  font-size: 11.5px;
}

.time-item.lab {
  border-left: 3px solid var(--accent-purple);
}

.time-pill {
  font-family: "JetBrains Mono", monospace;
  font-size: 10.5px;
  font-weight: 700;
  background: var(--bg-surface-hover);
  padding: 4px 8px;
  border-radius: 6px;
  color: var(--text-main);
  flex-shrink: 0;
}

.time-details strong {
  display: block;
  font-size: 12.5px;
  color: var(--text-main);
}

.time-details small {
  font-size: 11px;
  color: var(--text-muted);
}

/* Notice Board */
.live-badge {
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary);
  border: 1px solid var(--primary);
}

.notice-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.notice-item {
  display: flex;
  gap: 12px;
  padding: 12px 14px;
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: 10px;
}

.notice-item.priority {
  border-left: 3px solid #ef4444;
}

.notice-tag {
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: 0.5px;
  padding: 3px 8px;
  border-radius: 5px;
  height: fit-content;
  text-transform: uppercase;
}

.tag-urgent { background: rgba(239, 68, 68, 0.15); color: #ef4444; }
.tag-event { background: rgba(168, 85, 247, 0.15); color: #a855f7; }
.tag-info { background: rgba(14, 165, 233, 0.15); color: #0ea5e9; }

.notice-content strong {
  display: block;
  font-size: 12.5px;
  color: var(--text-main);
}

.notice-content p {
  margin: 3px 0 6px;
  font-size: 11.5px;
  color: var(--text-muted);
  line-height: 1.5;
}

.notice-content small {
  font-size: 10px;
  color: var(--text-subtle);
}

/* Quick Downloads & Resources */
.resources-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.resource-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: 11px;
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
}

.resource-card:hover {
  background: var(--bg-surface-hover);
  border-color: var(--border-focus);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.res-icon {
  font-size: 24px;
}

.resource-card strong {
  display: block;
  font-size: 12.5px;
  color: var(--text-main);
}

.resource-card small {
  display: block;
  font-size: 10.5px;
  color: var(--text-muted);
}

.res-arrow {
  margin-left: auto;
  color: var(--text-subtle);
  font-size: 14px;
  font-weight: 800;
}

/* Student Dossier Modal Dialog */
.profile-modal-form {
  max-width: 580px;
  padding: 28px;
}

.dossier-body {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.dossier-header-card {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 16px;
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: 14px;
}

.dossier-avatar {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  font-size: 22px;
  font-weight: 800;
  color: #ffffff;
  flex-shrink: 0;
}

.dossier-meta h3 {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 800;
  color: var(--text-main);
}

.dossier-pills {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.dossier-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.dstat-box {
  padding: 12px 14px;
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.dstat-box small {
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: 0.8px;
  color: var(--text-muted);
}

.dstat-box strong {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-main);
}

.mini-tag {
  font-size: 10px;
  font-weight: 700;
  width: fit-content;
  padding: 2px 7px;
  border-radius: 4px;
}

.dossier-details-table {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px;
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  font-size: 12px;
}

.drow {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.drow:last-child {
  border-bottom: none;
}

.drow span {
  color: var(--text-muted);
  flex-shrink: 0;
}

.drow strong {
  color: var(--text-main);
  text-align: right;
}

.courses-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.course-tag {
  background: var(--primary-light);
  color: var(--primary);
  font-size: 10.5px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 5px;
}

.dossier-notes-text {
  margin: 0;
  color: var(--text-main);
  text-align: right;
  max-width: 320px;
  line-height: 1.5;
}

/* Tablet & Mobile Hub Responsiveness */
@media (max-width: 900px) {
  .hub-grid {
    grid-template-columns: 1fr;
  }
  .resources-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .student-banner {
    flex-direction: column;
    align-items: flex-start;
  }
  .resources-grid {
    grid-template-columns: 1fr;
  }
  .calc-inputs {
    grid-template-columns: 1fr;
  }
  .dossier-stats-grid {
    grid-template-columns: 1fr;
  }
}