:root {
  --bg-page: #f0f4f9;
  --bg-card: #ffffff;
  --bg-sidebar: #0f2d5e;
  --bg-header: #ffffff;
  --bg-strip: #8b1a1a;
  --bg-input: #f8fafc;
  --bg-row-hover: #f0f6ff;
  --navy: #0f2d5e;
  --navy2: #1a3f7a;
  --navy3: #254d91;
  --navy-light: #e8f0fb;
  --navy-pale: #f0f5ff;
  --maroon: #8b1a1a;
  --maroon2: #a52424;
  --maroon-light: #fdf2f2;
  --gold: #b8820a;
  --gold2: #d4a020;
  --gold-light: #fdf6e3;
  --text: #1a2840;
  --text2: #4a5e7a;
  --text3: #7a8fa8;
  --text-inv: #ffffff;
  --border: #dde5f0;
  --border2: #c4d3e8;
  --border-focus: #2563eb;
  --green: #16a34a;
  --green-bg: #f0fdf4;
  --green-border: #bbf7d0;
  --red: #dc2626;
  --red-bg: #fef2f2;
  --red-border: #fecaca;
  --amber: #d97706;
  --amber-bg: #fffbeb;
  --amber-border: #fde68a;
  --blue: #2563eb;
  --blue-bg: #eff6ff;
  --blue-border: #bfdbfe;
  --purple: #7c3aed;
  --purple-bg: #f5f3ff;
  --purple-border: #ddd6fe;
  --ff-sans: 'DM Sans', system-ui, -apple-system, sans-serif;
  --ff-serif: 'Lora', Georgia, serif;
  --ff-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --r: 12px;
  --r-sm: 8px;
  --r-xs: 6px;
  --r-md: 14px;
  --r-lg: 18px;
  --r-xl: 24px;
  --sh-sm: 0 1px 3px rgba(15,45,94,.08), 0 1px 2px rgba(15,45,94,.06);
  --sh: 0 4px 16px rgba(15,45,94,.1), 0 2px 6px rgba(15,45,94,.06);
  --sh-lg: 0 12px 40px rgba(15,45,94,.15), 0 4px 12px rgba(15,45,94,.08);
  --tr: 0.2s cubic-bezier(0.2, 0.9, 0.4, 1.1);
  --primary: #1a3faa;
  --primary-d: #142f84;
  --primary-l: #e8eeff;
  --primary-b: #c3cff7;
  --success: #16a34a;
  --success-l: #f0fdf4;
  --success-b: #bbf7d0;
  --warning: #d97706;
  --warning-l: #fffbeb;
  --warning-b: #fde68a;
  --danger: #dc2626;
  --danger-l: #fef2f2;
  --danger-b: #fecaca;
  --info: #2563eb;
  --info-l: #eff6ff;
  --info-b: #bfdbfe;
  --ink: #1a2840;
  --ink-2: #1e293b;
  --ink-3: #334155;
  --muted: #7a8fa8;
  --subtle: #94a3b8;
  --placeholder: #cbd5e1;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --surface-3: #f1f5f9;
  --sb-bg: #0f2d5e;
  --sb-border: rgba(255,255,255,0.07);
  --sb-text: rgba(255,255,255,0.55);
  --sb-active: rgba(255,255,255,0.12);
  --sb-hover: rgba(255,255,255,0.06);
  --shadow-xs: 0 1px 2px rgba(15,23,42,.05);
  --shadow-sm: 0 1px 3px rgba(15,23,42,.07), 0 1px 2px rgba(15,23,42,.04);
  --shadow: 0 4px 6px rgba(15,23,42,.05), 0 2px 4px rgba(15,23,42,.04);
  --shadow-md: 0 6px 16px rgba(15,23,42,.08), 0 2px 6px rgba(15,23,42,.04);
  --shadow-lg: 0 16px 40px rgba(15,23,42,.12), 0 4px 12px rgba(15,23,42,.06);
  --accent: #5b21b6;
  --accent-l: #ede9fe;
  --accent-b: #c4b5fd;
  --btn-accent: #5b21b6;
  --publish-btn: #5b21b6;
  --pub-bar: #7c3aed;
  --pub-hover-border: #c4b5fd;
  --accent-active: rgba(91,33,182,0.22);
  --accent-stripe: #a78bfa;
  --seg-active-color: #5b21b6;
  --focus-color: #7c3aed;
  --focus-ring: rgba(124,58,237,0.12);
  --confirm-color: #5b21b6;
  --pill-active: #5b21b6;
  --card-gradient-start: rgba(255,255,255,0);
  --card-gradient-end: rgba(15,45,94,0.02);
  --card-hover-scale: translateY(-4px);
  --card-border-hover: var(--primary-b);
}
body.admin-page {
  --accent: #1a3faa;
  --accent-l: #e8eeff;
  --accent-b: #c3cff7;
  --btn-accent: #1a3faa;
  --publish-btn: #1a3faa;
  --pub-bar: #3b82f6;
  --pub-hover-border: #c3cff7;
  --accent-active: rgba(26,63,170,0.20);
  --accent-stripe: #60a5fa;
  --seg-active-color: #1a3faa;
  --focus-color: #1a3faa;
  --focus-ring: rgba(26,63,170,0.12);
  --confirm-color: #1a3faa;
  --pill-active: #1a3faa;
}
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes float {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
@keyframes blink {
  50% { opacity: .5; }
}
@keyframes countdown {
  0% { transform: scale(1); }
  50% { transform: scale(1.08); color: var(--red); }
  100% { transform: scale(1); }
}
@keyframes panelIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes modalSlide {
  from { opacity: 0; transform: scale(0.94) translateY(12px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
@keyframes cardRise {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.spinner {
  display: inline-block;
  animation: spin 0.8s linear infinite;
  margin-right: 8px;
}
.btn-loading {
  opacity: .8;
  cursor: wait;
  pointer-events: none;
  position: relative;
}
.btn-loading::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,.2);
  border-radius: inherit;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  font-size: 14px;
  scroll-behavior: smooth;
}
body {
  font-family: var(--ff-sans);
  background: linear-gradient(135deg, var(--bg-page) 0%, #e8edf5 100%);
  color: var(--text);
  min-height: 100vh;
  -webkit-user-select: none;
  user-select: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
input, textarea, select {
  -webkit-user-select: text !important;
  user-select: text !important;
}
.exam-active * {
  -webkit-user-select: none !important;
  -moz-user-select: none !important;
  user-select: none !important;
}
.screen {
  display: none;
  min-height: 100vh;
  animation: fadeIn 0.3s ease;
}
.screen.active {
  display: flex;
  flex-direction: column;
}
.brand-strip {
  background: linear-gradient(135deg, #0f2d5e 0%, var(--bg-strip) 50%, #0f2d5e 100%);
  border-bottom: 3px solid var(--gold2);
  padding: 10px 28px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
  box-shadow: 0 4px 20px rgba(0,0,0,.15);
  position: relative;
  overflow: hidden;
}
.brand-strip::before {
  content: '';
  position: absolute;
  top: 0;
  left: -50%;
  width: 200%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
  animation: shimmer 8s infinite;
}
.bs-logo {
  height: 44px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,.3)) brightness(1.05);
  flex-shrink: 0;
}
.bs-text {
  flex: 1;
}
.bs-name {
  font-family: var(--ff-serif);
  font-size: .95rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  letter-spacing: -0.3px;
}
.bs-sub {
  font-size: .58rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 500;
  color: rgba(255,255,255,.6);
  margin-top: 2px;
}
.bs-badge {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.3);
  padding: 4px 14px;
  border-radius: 30px;
  font-family: var(--ff-mono);
  font-size: .56rem;
  color: rgba(255,255,255,.9);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  flex-shrink: 0;
  backdrop-filter: blur(4px);
}
.form-group {
  margin-bottom: 14px;
}
.form-group label {
  display: block;
  font-size: .74rem;
  font-weight: 600;
  color: var(--text2);
  margin-bottom: 4px;
  letter-spacing: .3px;
}
.form-group label .req {
  color: var(--red);
  margin-left: 3px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 9px 12px;
  background: var(--bg-input);
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text);
  font-family: var(--ff-sans);
  font-size: .85rem;
  outline: none;
  transition: var(--tr);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--border-focus);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(37,99,235,.1);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 20px;
  border: none;
  border-radius: var(--r-sm);
  font-family: var(--ff-sans);
  font-weight: 600;
  font-size: .82rem;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  transform: translate(-50%, -50%);
  transition: width 0.4s, height 0.4s;
}
.btn:active::before {
  width: 200%;
  height: 200%;
}
.btn-primary {
  background: linear-gradient(135deg, var(--navy2), var(--navy3));
  color: #fff;
  box-shadow: 0 2px 8px rgba(26,63,122,.3);
}
.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--navy3), var(--navy2));
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(26,63,122,.4);
}
.btn-purple {
  background: linear-gradient(135deg, var(--purple), #6d28d9);
  color: #fff;
  box-shadow: 0 2px 8px rgba(124,58,237,.3);
}
.btn-purple:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(124,58,237,.4);
}
.btn-green {
  background: linear-gradient(135deg, #16a34a, #15803d);
  color: #fff;
}
.btn-green:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(22,163,74,.3);
}
.btn-red {
  background: linear-gradient(135deg, var(--red), #b91c1c);
  color: #fff;
}
.btn-red:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(220,38,38,.3);
}
.btn-ghost {
  background: transparent;
  color: var(--text2);
  border: 1.5px solid var(--border2);
}
.btn-ghost:hover:not(:disabled) {
  border-color: var(--navy2);
  color: var(--navy2);
  background: var(--navy-pale);
  transform: translateY(-1px);
}
.btn-sm {
  padding: 6px 14px;
  font-size: .74rem;
}
.btn-xs {
  padding: 4px 10px;
  font-size: .69rem;
}
.btn-full {
  width: 100%;
}
.btn:disabled {
  opacity: .45;
  cursor: not-allowed;
  transform: none !important;
}
.btn-accent {
  background: linear-gradient(135deg, var(--btn-accent), var(--accent));
  color: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,.15);
}
.btn-accent:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(91,33,182,.35);
  filter: brightness(1.05);
}
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 12px;
  border-radius: 30px;
  font-size: .65rem;
  font-weight: 600;
  letter-spacing: .3px;
  gap: 5px;
}
.bd-pend {
  background: var(--amber-bg);
  color: var(--amber);
  border: 1px solid var(--amber-border);
}
.bd-appr, .bd-subm, .bd-pass, .bd-approved, .bd-acti {
  background: var(--green-bg);
  color: var(--green);
  border: 1px solid var(--green-border);
}
.bd-reje, .bd-fail {
  background: var(--red-bg);
  color: var(--red);
  border: 1px solid var(--red-border);
}
.bd-prog {
  background: var(--blue-bg);
  color: var(--blue);
  border: 1px solid var(--blue-border);
}
.bd-warning {
  background: var(--amber);
  color: #fff;
  border: none;
}
.badge-success {
  background: var(--success-l);
  color: var(--success);
  border: 1px solid var(--success-b);
}
.badge-warning {
  background: var(--warning-l);
  color: var(--warning);
  border: 1px solid var(--warning-b);
}
.badge-danger {
  background: var(--danger-l);
  color: var(--danger);
  border: 1px solid var(--danger-b);
}
.badge-info {
  background: var(--info-l);
  color: var(--info);
  border: 1px solid var(--info-b);
}
.badge-neutral {
  background: var(--surface-3);
  color: var(--muted);
  border: 1px solid var(--border);
}
.badge-primary {
  background: var(--primary-l);
  color: var(--primary);
  border: 1px solid var(--primary-b);
}
.badge-accent {
  background: var(--accent-l);
  color: var(--accent);
  border: 1px solid var(--accent-b);
}
.overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15,45,94,.6);
  backdrop-filter: blur(8px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.overlay.open {
  display: flex;
  animation: fadeIn 0.2s ease;
}
.modal {
  background: #fff;
  border-radius: var(--r-lg);
  padding: 0;
  width: 600px;
  max-width: 100%;
  max-height: 92vh;
  overflow-y: auto;
  box-shadow: var(--sh-lg);
  animation: modalSlide 0.25s ease both;
  border: 1px solid var(--border);
}
.modal-hd {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface-2);
  border-radius: var(--r-lg) var(--r-lg) 0 0;
}
.modal-title {
  font-family: var(--ff-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
}
.modal-x {
  cursor: pointer;
  color: var(--text3);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: var(--tr);
  background: var(--bg-page);
}
.modal-x:hover {
  background: var(--red-bg);
  color: var(--red);
  transform: rotate(90deg);
}
.modal-body {
  padding: 20px;
}
.modal-header {
  padding: 18px 24px 14px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-header .modal-title {
  font-size: .88rem;
}
.modal-close {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--surface-3);
  border: none;
  color: var(--muted);
  font-size: .95rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .2s;
}
.modal-close:hover {
  background: var(--border);
  color: var(--ink);
  transform: rotate(90deg);
}
#toasts {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.toast {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 14px 18px;
  font-size: .8rem;
  box-shadow: var(--sh-md);
  animation: toastIn 0.3s ease both;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 380px;
  color: var(--text);
  backdrop-filter: blur(4px);
}
.toast.s {
  border-left: 4px solid var(--green);
  background: linear-gradient(135deg, #fff, var(--green-bg));
}
.toast.e {
  border-left: 4px solid var(--red);
  background: linear-gradient(135deg, #fff, var(--red-bg));
}
.toast.w {
  border-left: 4px solid var(--amber);
  background: linear-gradient(135deg, #fff, var(--amber-bg));
}
.toast.i {
  border-left: 4px solid var(--blue);
  background: linear-gradient(135deg, #fff, var(--blue-bg));
}
.vio-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9500;
  background: linear-gradient(135deg, #991b1b, var(--maroon));
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
  padding: 40px;
}
.vio-overlay.show {
  display: flex;
  animation: fadeIn 0.3s ease;
}
.vio-icon {
  font-size: 3.4rem;
  margin-bottom: 20px;
  animation: float 2s ease-in-out infinite;
}
.vio-title {
  font-family: var(--ff-serif);
  font-size: 1.75rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}
.vio-msg {
  font-size: .85rem;
  color: rgba(255,255,255,.85);
  max-width: 480px;
  line-height: 1.65;
  margin-bottom: 28px;
}
.vio-count {
  font-family: var(--ff-mono);
  font-size: .65rem;
  color: rgba(255,255,255,.45);
  margin-top: 12px;
}
.vio-warning {
  background: var(--amber);
  color: #000;
  padding: 10px 20px;
  border-radius: 40px;
  font-weight: bold;
  margin-top: 12px;
}
.vio-timer {
  font-size: 2.6rem;
  font-weight: 800;
  color: #fff;
  margin: 20px 0;
  animation: countdown 1s infinite;
}
#screen-auth {
  background: var(--bg-page);
}
.auth-layout {
  flex: 1;
  display: flex;
  min-height: 0;
}
.auth-left {
  width: 44%;
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy2) 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 56px 52px;
  position: relative;
  overflow: hidden;
}
.auth-left::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,.08) 0%, transparent 70%);
  top: -80px;
  right: -80px;
  pointer-events: none;
}
.auth-left::after {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(184,130,10,.12) 0%, transparent 70%);
  bottom: -50px;
  left: -50px;
  pointer-events: none;
}
.al-title {
  font-family: var(--ff-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 8px;
  position: relative;
  z-index: 1;
}
.al-title em {
  font-style: italic;
  color: var(--gold2);
}
.al-sub {
  font-size: .76rem;
  color: rgba(255,255,255,.6);
  margin-bottom: 36px;
  position: relative;
  z-index: 1;
  line-height: 1.6;
}
.al-features {
  list-style: none;
  position: relative;
  z-index: 1;
}
.al-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: .78rem;
  color: rgba(255,255,255,.7);
  margin-bottom: 14px;
  line-height: 1.5;
}
.al-feat-dot {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  margin-top: 1px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .58rem;
}
.auth-right {
  width: 56%;
  background: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 40px 52px;
  overflow-y: auto;
}
.auth-form-scroll {
  max-width: 460px;
  width: 100%;
  margin: 0 auto;
}
.auth-tabs {
  display: flex;
  border-bottom: 2px solid var(--border);
  margin-bottom: 32px;
  gap: 8px;
}
.auth-tab {
  padding: 10px 28px;
  cursor: pointer;
  font-weight: 600;
  font-size: .81rem;
  color: var(--text3);
  transition: var(--tr);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  border-radius: 8px 8px 0 0;
}
.auth-tab.active {
  color: var(--navy2);
  border-bottom-color: var(--navy2);
  background: var(--navy-pale);
}
.form-title {
  font-family: var(--ff-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}
.form-hint {
  font-size: .78rem;
  color: var(--text3);
  margin-bottom: 24px;
  line-height: 1.55;
}
.form-switch {
  margin-top: 18px;
  font-size: .76rem;
  color: var(--text3);
  text-align: center;
}
.form-switch a {
  color: var(--navy2);
  cursor: pointer;
  font-weight: 600;
  text-decoration: none;
}
.form-switch a:hover {
  text-decoration: underline;
}
.role-notice {
  background: var(--amber-bg);
  border: 1px solid var(--amber-border);
  border-radius: var(--r-sm);
  padding: 10px 14px;
  font-size: .76rem;
  color: var(--amber);
  margin-bottom: 16px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.info-box {
  background: var(--blue-bg);
  border: 1px solid var(--blue-border);
  border-radius: var(--r-sm);
  padding: 10px 14px;
  font-size: .76rem;
  color: var(--blue);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.dash-layout {
  flex: 1;
  display: flex;
  min-height: 0;
  overflow: hidden;
}
.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: linear-gradient(180deg, var(--bg-sidebar) 0%, #0a2348 100%);
  display: flex;
  flex-direction: column;
  min-height: 100%;
  border-right: 1px solid rgba(255,255,255,.06);
}
.sb-brand {
  padding: 16px 18px 14px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  display: flex;
  align-items: center;
  gap: 12px;
}
.sb-logo {
  height: 32px;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
}
.sb-text .sb-n {
  font-family: var(--ff-serif);
  font-size: .85rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
}
.sb-text .sb-r {
  font-size: .56rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,.45);
  margin-top: 3px;
}
.sb-user {
  padding: 12px 18px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  display: flex;
  align-items: center;
  gap: 10px;
}
.avatar {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--maroon2), var(--maroon));
  border: 2px solid rgba(255,255,255,.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ff-serif);
  font-weight: 800;
  font-size: .95rem;
  color: #fff;
}
.avatar.purple {
  background: linear-gradient(135deg, #7c3aed, #6d28d9);
}
.uinfo .un {
  font-size: .81rem;
  font-weight: 600;
  color: #fff;
}
.uinfo .ue {
  font-size: .65rem;
  color: rgba(255,255,255,.45);
}
.sb-nav {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
}
.nav-section {
  font-size: .54rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,.3);
  padding: 14px 20px 6px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 18px;
  cursor: pointer;
  font-size: .79rem;
  font-weight: 500;
  color: rgba(255,255,255,.6);
  transition: all 0.2s;
  border-left: 3px solid transparent;
  margin: 2px 8px;
  border-radius: 8px;
}
.nav-item:hover {
  color: rgba(255,255,255,.9);
  background: rgba(255,255,255,.06);
  transform: translateX(4px);
}
.nav-item.active {
  color: #fff;
  background: var(--accent-active, rgba(255,255,255,.1));
  border-left-color: var(--accent-stripe, var(--gold2));
}
.nav-icon {
  font-size: .95rem;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}
.nbadge {
  margin-left: auto;
  background: var(--maroon2);
  color: #fff;
  font-size: .58rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 12px;
}
.sb-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,.08);
}
.sb-header {
  padding: 20px 16px 16px;
  border-bottom: 1px solid var(--sb-border);
}
.sb-logo-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
}
.sb-logo-img {
  height: 28px;
  filter: brightness(0) invert(1);
  opacity: .85;
}
.sb-logo-text {
  font-size: .84rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: .02em;
}
.sb-role-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--r-xs);
  background: rgba(255,255,255,.08);
  color: rgba(255,255,255,.5);
  font-size: .6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
}
.sb-user-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: .81rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background-size: cover;
  background-position: center;
  border: 2px solid rgba(255,255,255,.1);
}
.sb-user-info {
  min-width: 0;
}
.sb-user-name {
  font-size: .81rem;
  font-weight: 600;
  color: rgba(255,255,255,.9);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sb-user-sub {
  font-size: .65rem;
  color: rgba(255,255,255,.35);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sb-section {
  font-size: .58rem;
  font-weight: 700;
  color: rgba(255,255,255,.25);
  text-transform: uppercase;
  letter-spacing: .12em;
  padding: 14px 12px 6px;
}
.sb-signout {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--r-sm);
  background: none;
  border: 1px solid rgba(255,255,255,.1);
  color: rgba(255,255,255,.4);
  font-size: .75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all .2s;
  font-family: inherit;
}
.sb-signout:hover {
  background: rgba(220,38,38,.12);
  border-color: rgba(220,38,38,.25);
  color: #fca5a5;
  transform: translateX(4px);
}
.ni {
  font-size: .85rem;
  width: 18px;
  text-align: center;
  flex-shrink: 0;
}
.nav-badge-count {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  font-size: .58rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 10px;
  min-width: 18px;
  text-align: center;
}
.main-content {
  flex: 1;
  overflow-y: auto;
  background: var(--bg-page);
}
.page-header {
  background: var(--bg-header);
  border-bottom: 1px solid var(--border);
  padding: 14px 28px;
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--sh-sm);
  backdrop-filter: blur(8px);
  background: rgba(255,255,255,.95);
}
.page-title {
  font-family: var(--ff-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
}
.page-title small {
  display: block;
  font-family: var(--ff-sans);
  font-size: .56rem;
  font-weight: 600;
  color: var(--text3);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 3px;
}
.page-body {
  padding: 22px 28px;
}
.panel {
  display: none;
  animation: panelIn 0.2s ease;
}
.panel.active {
  display: block;
}
.app {
  display: flex;
  height: 100vh;
  overflow: hidden;
}
.main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.topbar {
  height: 54px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
  background: rgba(255,255,255,.95);
}
.page-title-main {
  font-size: .95rem;
  font-weight: 700;
  color: var(--ink);
}
.page-sub {
  font-size: .65rem;
  color: var(--muted);
}
.content-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 22px;
}
.page-header-block {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.page-heading {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -.02em;
}
.page-desc {
  font-size: .76rem;
  color: var(--muted);
  margin-top: 4px;
}
.page-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 22px;
}
.stat-card {
  background: linear-gradient(135deg, var(--surface) 0%, var(--surface-2) 100%);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 18px 16px;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.1);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  cursor: default;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--navy2), var(--gold2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border2);
}
.stat-card:hover::before {
  transform: scaleX(1);
}
.stat-card.y::before { background: linear-gradient(90deg, var(--amber), #f59e0b); }
.stat-card.g::before { background: linear-gradient(90deg, var(--green), #22c55e); }
.stat-card.r::before { background: linear-gradient(90deg, var(--red), #ef4444); }
.stat-card.p::before { background: linear-gradient(90deg, var(--purple), #a855f7); }
.stat-lbl {
  font-size: .69rem;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 10px;
  letter-spacing: .5px;
  text-transform: uppercase;
}
.stat-val {
  font-family: var(--ff-serif);
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--navy);
  line-height: 1;
  background: linear-gradient(135deg, var(--navy), var(--navy2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-sub {
  font-size: .69rem;
  color: var(--text3);
  margin-top: 6px;
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-num {
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label {
  font-size: .66rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--muted);
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
  transition: all 0.25s ease;
}
.card:hover {
  box-shadow: var(--shadow-md);
}
.card-header {
  padding: 13px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(135deg, var(--surface-2), var(--surface));
}
.card-title {
  font-family: var(--ff-serif);
  font-weight: 700;
  font-size: .95rem;
  color: var(--navy);
  display: flex;
  align-items: center;
  gap: 10px;
}
.card-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
.card-body {
  padding: 20px;
}
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  animation: cardRise 0.4s ease-out;
}
.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 22px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.1);
  box-shadow: var(--shadow-xs);
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  overflow: hidden;
}
.project-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--x, 50%) var(--y, 50%), rgba(124,58,237,0.03) 0%, transparent 80%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.project-card:hover {
  transform: var(--card-hover-scale);
  border-color: var(--card-border-hover);
  box-shadow: var(--shadow-lg);
}
.project-card:hover::after {
  opacity: 1;
}
.project-card-tag {
  font-size: .6rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .1em;
}
.project-card-name {
  font-size: .95rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.3;
}
.project-card-desc {
  font-size: .74rem;
  color: var(--muted);
  line-height: 1.5;
}
.project-card-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.meta-chip {
  padding: 3px 10px;
  border-radius: 30px;
  background: var(--surface-3);
  font-size: .65rem;
  font-weight: 600;
  color: var(--ink-3);
  transition: all 0.2s;
}
.project-card:hover .meta-chip {
  background: var(--accent-l);
  color: var(--accent);
}
.exam-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 22px;
  animation: cardRise 0.4s ease-out;
}
.exam-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 20px;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.1);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.exam-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--navy2), var(--navy3), var(--gold2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.exam-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border2);
}
.exam-card:hover::before {
  transform: scaleX(1);
}
.ec-badge {
  display: inline-block;
  background: var(--navy-pale);
  color: var(--navy2);
  font-size: .63rem;
  font-weight: 700;
  letter-spacing: .5px;
  padding: 4px 12px;
  border-radius: 30px;
  border: 1px solid var(--blue-border);
  margin-bottom: 14px;
}
.ec-title {
  font-family: var(--ff-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.ec-desc {
  font-size: .76rem;
  color: var(--text3);
  margin-bottom: 16px;
  line-height: 1.55;
}
.ec-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.ec-chip {
  font-size: .67rem;
  font-weight: 600;
  background: var(--bg-page);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 30px;
  color: var(--text2);
  display: flex;
  align-items: center;
  gap: 5px;
  transition: all 0.2s;
}
.exam-card:hover .ec-chip {
  background: var(--surface-2);
  border-color: var(--border2);
}
.ec-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
}
.faculty-project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 20px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.1);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.faculty-project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--purple), #6d28d9);
}
.faculty-project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--purple-border);
}
.pub-exam-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px;
  align-items: center;
  padding: 20px 24px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--surface);
  margin-bottom: 14px;
  transition: all 0.25s ease;
  box-shadow: var(--shadow-xs);
}
.pub-exam-item:hover {
  border-color: var(--pub-hover-border);
  box-shadow: var(--shadow);
  transform: translateX(4px);
}
.pub-exam-item.pub-complete {
  background: linear-gradient(135deg, var(--success-l), var(--surface));
  border-color: var(--success-b);
}
.pub-exam-name {
  font-size: .9rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}
.pub-exam-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.pub-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 30px;
  font-size: .65rem;
  font-weight: 700;
}
.pub-chip-total {
  background: var(--info-l);
  color: var(--info);
  border: 1px solid var(--info-b);
}
.pub-chip-done {
  background: var(--success-l);
  color: var(--success);
  border: 1px solid var(--success-b);
}
.pub-chip-pend {
  background: var(--warning-l);
  color: var(--warning);
  border: 1px solid var(--warning-b);
}
.pub-progress-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.pub-progress {
  height: 6px;
  flex: 1;
  max-width: 200px;
  background: var(--surface-3);
  border-radius: 99px;
  overflow: hidden;
}
.pub-progress-fill {
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--pub-bar), var(--accent));
  transition: width 0.5s ease;
}
.pub-complete .pub-progress-fill {
  background: linear-gradient(90deg, var(--success), #22c55e);
}
.pub-pct-label {
  font-size: .65rem;
  font-weight: 700;
  color: var(--muted);
  white-space: nowrap;
}
table {
  width: 100%;
  border-collapse: collapse;
}
th {
  text-align: left;
  padding: 10px 14px;
  font-size: .67rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text3);
  background: var(--bg-page);
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}
td {
  padding: 10px 14px;
  font-size: .79rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  color: var(--text2);
  transition: background 0.2s;
}
td strong {
  color: var(--text);
}
tr:last-child td {
  border-bottom: none;
}
tr:hover td {
  background: var(--bg-row-hover);
}
.empty {
  text-align: center;
  padding: 60px 32px;
  color: var(--text3);
}
.empty .ei {
  font-size: 2.4rem;
  margin-bottom: 12px;
  opacity: .5;
}
.table-wrap {
  overflow-x: auto;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  background: var(--surface);
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .76rem;
}
.data-table thead {
  background: var(--surface-2);
  border-bottom: 2px solid var(--border);
}
.data-table th {
  padding: 12px 16px;
  text-align: left;
  font-size: .64rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .08em;
  white-space: nowrap;
  background: transparent;
}
.data-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--surface-3);
  vertical-align: middle;
}
.data-table tbody tr:hover {
  background: var(--surface-2);
}
.data-table tbody tr:last-child td {
  border-bottom: none;
}
.data-table .tc {
  text-align: center;
}
.td-main {
  font-weight: 600;
  color: var(--ink);
}
.td-sub {
  font-size: .69rem;
  color: var(--muted);
  margin-top: 2px;
}
.td-mono {
  font-family: var(--ff-mono);
  font-size: .72rem;
  color: var(--muted);
}
.filter-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: flex-end;
  padding: 14px 20px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  border-radius: var(--r-md) var(--r-md) 0 0;
}
.filter-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.filter-label {
  font-size: .6rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .08em;
}
.filter-input,
.filter-select {
  padding: 7px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  font-size: .76rem;
  font-family: inherit;
  background: var(--surface);
  color: var(--ink-3);
  transition: all 0.15s;
  height: 34px;
}
.filter-input:focus,
.filter-select:focus {
  outline: none;
  border-color: var(--focus-color);
  box-shadow: 0 0 0 3px var(--focus-ring);
}
.fg {
  margin-bottom: 16px;
}
.fg label {
  display: block;
  font-size: .69rem;
  font-weight: 700;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 6px;
}
.fc {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  font-size: .8rem;
  font-family: inherit;
  color: var(--ink);
  background: var(--surface);
  transition: all 0.15s;
}
.fc:focus {
  outline: none;
  border-color: var(--focus-color);
  box-shadow: 0 0 0 3px var(--focus-ring);
}
textarea.fc {
  resize: vertical;
}
.seg-control {
  display: flex;
  background: var(--surface-3);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 4px;
  gap: 4px;
  margin-bottom: 24px;
}
.seg-btn {
  flex: 1;
  padding: 9px 14px;
  border: none;
  border-radius: 8px;
  background: transparent;
  font-size: .76rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
}
.seg-btn:hover {
  color: var(--ink-3);
}
.seg-btn.active {
  background: var(--surface);
  color: var(--seg-active-color);
  box-shadow: var(--shadow-sm);
}
.btn-publish-exam {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  background: linear-gradient(135deg, var(--publish-btn), var(--accent));
  color: #fff;
  border: none;
  border-radius: var(--r-sm);
  font-size: .76rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
  white-space: nowrap;
  flex-shrink: 0;
}
.btn-publish-exam:hover {
  filter: brightness(1.05);
  box-shadow: 0 6px 16px rgba(0,0,0,.2);
  transform: translateY(-2px);
}
.btn-publish-exam:disabled {
  opacity: .45;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}
.pub-all-done {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--success-l);
  border: 1px solid var(--success-b);
  border-radius: var(--r-sm);
  color: var(--success);
  font-size: .73rem;
  font-weight: 700;
  flex-shrink: 0;
}
.filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}
.filter-grid .form-group {
  margin-bottom: 0;
}
.preview-box {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 20px;
  background: var(--info-l);
  border: 1.5px solid var(--info-b);
  border-radius: var(--r);
  margin-bottom: 18px;
}
.preview-box-icon {
  font-size: 1.15rem;
  flex-shrink: 0;
}
.preview-box-title {
  font-size: .84rem;
  font-weight: 700;
  color: var(--info);
}
.preview-box-sub {
  font-size: .7rem;
  color: #0369a1;
  margin-top: 3px;
}
.confirm-inner {
  text-align: center;
  padding: 10px 0 6px;
}
.confirm-emoji {
  font-size: 2.6rem;
  line-height: 1;
  margin-bottom: 14px;
}
.confirm-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 8px;
}
.confirm-desc {
  font-size: .79rem;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 24px;
  max-width: 340px;
  margin-left: auto;
  margin-right: auto;
}
.confirm-stats {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.confirm-stat {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 14px 22px;
  text-align: center;
  min-width: 100px;
}
.confirm-stat-num {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--confirm-color);
  line-height: 1;
}
.confirm-stat-lbl {
  font-size: .62rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-top: 4px;
}
.confirm-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}
.divider {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 20px 0;
}
.divider::before, .divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.divider span {
  font-size: .72rem;
  color: var(--text3);
  font-weight: 500;
}
.empty-state {
  text-align: center;
  padding: 56px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.empty-icon {
  font-size: 2.2rem;
  opacity: .3;
}
.empty-title {
  font-size: .85rem;
  font-weight: 700;
  color: var(--ink-3);
}
.empty-desc {
  font-size: .74rem;
  color: var(--muted);
  max-width: 280px;
  line-height: 1.55;
}
.pills {
  display: flex;
  gap: 6px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.pill {
  padding: 6px 14px;
  border-radius: 30px;
  background: var(--surface-3);
  border: 1.5px solid var(--border);
  color: var(--muted);
  font-size: .73rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}
.pill:hover {
  border-color: var(--focus-color);
  color: var(--focus-color);
}
.pill.active {
  background: linear-gradient(135deg, var(--pill-active), var(--accent));
  border-color: var(--pill-active);
  color: #fff;
}
.upload-zone {
  border: 2px dashed var(--border2);
  border-radius: var(--r-md);
  padding: 36px;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s;
  background: var(--bg-page);
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--navy2);
  background: var(--navy-pale);
  transform: scale(1.01);
}
.upload-icon {
  font-size: 2.4rem;
  margin-bottom: 12px;
  opacity: .6;
}
.upload-title {
  font-weight: 600;
  font-size: .9rem;
  color: var(--text);
  margin-bottom: 5px;
}
.upload-hint {
  font-size: .74rem;
  color: var(--text3);
}
input[type="file"] {
  display: none;
}
.format-preview {
  background: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 16px;
  margin-top: 16px;
  font-family: var(--ff-mono);
  font-size: .7rem;
  color: var(--text2);
  line-height: 1.85;
  overflow-x: auto;
  white-space: pre;
}
.tab-pills {
  display: flex;
  gap: 6px;
  background: var(--bg-page);
  border: 1px solid var(--border);
  padding: 5px;
  border-radius: var(--r-sm);
  margin-bottom: 22px;
  width: fit-content;
}
.tab-pill {
  padding: 8px 20px;
  border-radius: calc(var(--r-sm) - 2px);
  cursor: pointer;
  font-size: .79rem;
  font-weight: 600;
  color: var(--text3);
  transition: all 0.2s;
}
.tab-pill.active {
  background: var(--surface);
  color: var(--navy2);
  box-shadow: var(--sh-sm);
}
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text2);
  cursor: pointer;
  font-size: .81rem;
  font-weight: 600;
  padding: 10px 0;
  margin-bottom: 18px;
  transition: all 0.2s;
}
.back-btn:hover {
  color: var(--navy2);
  transform: translateX(-4px);
}
#screen-exam.active {
  flex-direction: column;
  min-height: 100vh;
}
.exam-bar {
  background: var(--surface);
  border-bottom: 2px solid var(--border);
  padding: 0 32px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  box-shadow: var(--sh-sm);
  position: sticky;
  top: 0;
  z-index: 20;
}
.eb-left {
  display: flex;
  align-items: center;
  gap: 16px;
}
.eb-logo {
  height: 32px;
  width: auto;
}
.eb-divider {
  width: 1px;
  height: 32px;
  background: var(--border);
}
.eb-title {
  font-family: var(--ff-serif);
  font-weight: 700;
  font-size: .95rem;
  color: var(--navy);
}
.eb-sub {
  font-size: .58rem;
  color: var(--text3);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 2px;
}
.exam-timer {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-page);
  border: 1.5px solid var(--border2);
  padding: 8px 22px;
  border-radius: var(--r-sm);
  font-family: var(--ff-mono);
  font-size: 1rem;
  color: var(--navy);
  font-weight: 600;
}
.exam-timer.warn {
  color: var(--amber);
  border-color: var(--amber-border);
  background: var(--amber-bg);
}
.exam-timer.crit {
  color: var(--red);
  border-color: var(--red-border);
  background: var(--red-bg);
  animation: blink 1s infinite;
}
.warning-badge {
  background: var(--amber);
  color: #fff;
  padding: 5px 14px;
  border-radius: 30px;
  font-weight: bold;
  margin-left: 12px;
}
.warning-badge.critical {
  background: var(--red);
  animation: blink 1s infinite;
}
.exam-body {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 300px;
  min-height: 0;
  overflow: hidden;
}
.exam-qa {
  overflow-y: auto;
  padding: 32px;
  background: var(--bg-page);
}
.qcard {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 24px;
  margin-bottom: 16px;
  box-shadow: var(--sh-sm);
  transition: box-shadow 0.2s;
}
.qcard:hover {
  box-shadow: var(--sh);
}
.qnum {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--navy-pale);
  color: var(--navy2);
  font-size: .67rem;
  font-weight: 700;
  letter-spacing: .5px;
  padding: 5px 14px;
  border-radius: 30px;
  border: 1px solid var(--blue-border);
  margin-bottom: 16px;
}
.qtext {
  font-size: .95rem;
  font-weight: 500;
  line-height: 1.7;
  margin-bottom: 24px;
  color: var(--text);
}
.opts {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.opt {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 20px;
  border-radius: var(--r-sm);
  border: 1.5px solid var(--border);
  cursor: pointer;
  transition: all 0.2s;
  background: var(--surface);
}
.opt:hover {
  border-color: var(--navy2);
  background: var(--navy-pale);
  transform: translateX(4px);
}
.opt.sel {
  border-color: var(--navy2);
  background: var(--navy-pale);
  box-shadow: 0 0 0 3px rgba(37,77,145,.15);
}
.opt-lbl {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1.5px solid var(--border2);
  background: var(--bg-page);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ff-mono);
  font-size: .71rem;
  font-weight: 600;
  flex-shrink: 0;
  color: var(--text3);
  transition: all 0.2s;
}
.opt.sel .opt-lbl {
  background: var(--navy2);
  color: #fff;
  border-color: var(--navy2);
}
.opt-text {
  font-size: .85rem;
  color: var(--text2);
}
.opt.sel .opt-text {
  color: var(--navy);
  font-weight: 500;
}
.qnav-btns {
  display: flex;
  justify-content: space-between;
  margin-top: 14px;
}
.exam-panel {
  background: var(--surface);
  border-left: 1px solid var(--border);
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.ep-label {
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 10px;
}
.qgrid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
}
.qb {
  aspect-ratio: 1;
  border-radius: 8px;
  border: 1.5px solid var(--border);
  background: var(--bg-page);
  color: var(--text3);
  font-family: var(--ff-mono);
  font-size: .69rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}
.qb:hover {
  border-color: var(--navy2);
  background: var(--navy-pale);
  color: var(--navy2);
  transform: scale(1.05);
}
.qb.ans {
  border-color: var(--green);
  background: var(--green-bg);
  color: var(--green);
}
.qb.cur {
  border-color: var(--navy2);
  background: var(--navy2);
  color: #fff;
  transform: scale(1.05);
}
.prog-wrap {
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.prog-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--navy2), var(--navy3));
  border-radius: 4px;
  transition: width 0.4s ease;
}
.ep-bottom {
  margin-top: auto;
}
.stat-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 12px;
  border-radius: 30px;
  font-size: .7rem;
  font-weight: 600;
}
.stat-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.blue-pill {
  background: var(--blue-bg);
  color: var(--blue);
  border: 1px solid var(--blue-border);
}
.amber-pill {
  background: var(--amber-bg);
  color: var(--amber);
  border: 1px solid var(--amber-border);
}
.gray-pill {
  background: var(--bg-page);
  color: var(--text3);
  border: 1px solid var(--border);
}
#screen-result.active {
  flex-direction: column;
}
.result-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 28px;
}
.result-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 40px;
  width: 600px;
  max-width: 96vw;
  text-align: center;
  box-shadow: var(--sh-lg);
  animation: fadeUp 0.5s ease both;
  border-top: 6px solid var(--navy2);
}
.result-icon {
  font-size: 3.8rem;
  margin-bottom: 16px;
  animation: float 3s ease-in-out infinite;
}
.result-title {
  font-family: var(--ff-serif);
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 6px;
}
.result-exam {
  font-size: .82rem;
  color: var(--text3);
  margin-bottom: 24px;
}
.result-pct {
  font-family: var(--ff-serif);
  font-size: 4.2rem;
  font-weight: 800;
  line-height: 1;
  margin: 20px 0;
}
.result-pct.pass {
  color: var(--green);
}
.result-pct.fail {
  color: var(--red);
}
.result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 30px;
  text-align: left;
}
.rg-item {
  background: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 16px;
}
.rg-label {
  font-size: .64rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 5px;
}
.rg-val {
  font-family: var(--ff-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
}
.result-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  margin-top: 28px;
}
.result-pending-box {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
  padding: 56px 40px;
  background: var(--surface);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}
.result-pending-icon {
  font-size: 3.8rem;
  margin-bottom: 20px;
  animation: float 2.5s ease-in-out infinite;
}
.result-pending-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}
.result-pending-sub {
  font-size: .87rem;
  color: var(--text3);
  line-height: 1.7;
  margin-bottom: 28px;
}
.result-pending-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--amber-bg);
  border: 1.5px solid var(--amber-border);
  border-radius: 14px;
  padding: 12px 24px;
  font-size: .82rem;
  font-weight: 600;
  color: #92400e;
  margin-bottom: 32px;
}
.txt-s {
  color: var(--text3);
  font-size: .73rem;
}
.txt-m {
  color: var(--text2);
  font-size: .81rem;
}
.text-sm {
  font-size: .74rem;
}
.text-xs {
  font-size: .67rem;
}
.text-muted {
  color: var(--muted);
}
.text-center, .txt-center {
  text-align: center;
}
.flex {
  display: flex;
}
.gap-1 {
  gap: 5px;
}
.gap-2 {
  gap: 10px;
}
.gap-3 {
  gap: 15px;
}
.mt-2 {
  margin-top: 10px;
}
.mt-3 {
  margin-top: 14px;
}
.mt-4 {
  margin-top: 18px;
}
.mt-5 {
  margin-top: 22px;
}
.mb-2 {
  margin-bottom: 10px;
}
.mb-3 {
  margin-bottom: 14px;
}
.fw6 {
  font-weight: 600;
}
.fw7 {
  font-weight: 700;
}
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--placeholder);
  border-radius: 99px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--muted);
}
.footer {
  background: linear-gradient(135deg, #0a1a2f 0%, #071221 100%);
  border-top: 1px solid rgba(212,160,32,0.15);
  padding: 56px 0 28px;
  font-family: var(--ff-sans);
  margin-top: auto;
  width: 100%;
}
.footer-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 56px;
  margin-bottom: 56px;
}
.footer-brand .logo-text {
  font-family: var(--ff-serif);
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, #fff 0%, var(--gold2) 80%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
  margin-bottom: 18px;
}
.footer-brand .logo-text span {
  background: linear-gradient(135deg, var(--gold2), #ffcd6b);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.footer-desc {
  color: #9aafd1;
  font-size: .82rem;
  line-height: 1.65;
  margin-bottom: 28px;
  max-width: 340px;
}
.social-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.social-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(212,160,32,.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold2);
  font-size: 1rem;
  transition: all 0.3s ease;
  text-decoration: none;
}
.social-btn:hover {
  background: linear-gradient(135deg, var(--gold2), #f59e0b);
  color: #0a1428;
  border-color: var(--gold2);
  transform: translateY(-4px) scale(1.05);
}
.footer-col h4 {
  color: #f0f4fa;
  font-size: .95rem;
  font-weight: 700;
  margin-bottom: 24px;
  position: relative;
  display: inline-block;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 36px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold2), #f59e0b);
  border-radius: 2px;
}
.footer-col ul {
  list-style: none;
  margin-top: 10px;
}
.footer-col ul li {
  margin-bottom: 14px;
}
.footer-col ul li a {
  color: #9aafd1;
  text-decoration: none;
  font-size: .82rem;
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.footer-col ul li a:hover {
  color: var(--gold2);
  transform: translateX(6px);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,.08);
}
.footer-bottom p {
  color: #7a8fb0;
  font-size: .73rem;
}
.footer-mono {
  font-family: var(--ff-mono);
  font-size: .67rem;
  background: rgba(212,160,32,.1);
  padding: 6px 14px;
  border-radius: 40px;
  color: var(--gold2);
  border: 1px solid rgba(212,160,32,.2);
  letter-spacing: 1px;
}
@media (max-width: 900px) {
  .auth-left {
    display: none;
  }
  .auth-right {
    width: 100%;
    padding: 40px 28px;
  }
  .exam-body {
    grid-template-columns: 1fr;
  }
  .exam-panel {
    display: none;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  }
}
@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 42px;
  }
  .footer-brand {
    grid-column: span 3;
  }
  .footer-desc {
    max-width: 100%;
  }
  .project-grid,
  .exam-cards-grid {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  }
}
@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    left: -260px;
    transition: left 0.3s ease;
    z-index: 100;
    height: 100vh;
  }
  .sidebar.open {
    left: 0;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 38px;
  }
  .footer-brand {
    grid-column: span 2;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .footer-container {
    padding: 0 24px;
  }
  .page-body {
    padding: 20px;
  }
  .content-scroll {
    padding: 20px;
  }
  .result-box {
    padding: 36px 24px;
  }
  .result-title {
    font-size: 1.4rem;
  }
  .result-pct {
    font-size: 3rem;
  }
}
@media (max-width: 520px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-brand {
    grid-column: span 1;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .project-grid,
  .exam-cards-grid {
    grid-template-columns: 1fr;
  }
  .result-grid {
    grid-template-columns: 1fr;
  }
  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }
  .filter-group {
    width: 100%;
  }
  .modal {
    width: 95%;
    margin: 0 auto;
  }
}
.welcome-banner {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy2) 100%);
  border-radius: var(--r-lg);
  padding: 22px 28px;
  margin-bottom: 28px;
  position: relative;
  overflow: hidden;
  color: #fff;
  box-shadow: var(--shadow-md);
}
.welcome-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.welcome-banner::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(212,160,32,0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.welcome-title {
  font-family: var(--ff-serif);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
  position: relative;
  z-index: 1;
}
.welcome-subtitle {
  font-size: 0.81rem;
  opacity: 0.85;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}
.welcome-stats {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}
.welcome-stat {
  display: flex;
  align-items: baseline;
  gap: 8px;
  background: rgba(255,255,255,0.1);
  padding: 8px 16px;
  border-radius: var(--r);
  backdrop-filter: blur(4px);
}
.welcome-stat-value {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--gold2);
}
.welcome-stat-label {
  font-size: 0.72rem;
  opacity: 0.8;
}
.timeline {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.timeline-item {
  display: flex;
  gap: 16px;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  transition: all 0.25s ease;
  position: relative;
}
.timeline-item:hover {
  transform: translateX(6px);
  border-color: var(--border2);
  box-shadow: var(--shadow-sm);
}
.timeline-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-l);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  color: var(--accent);
}
.timeline-content {
  flex: 1;
}
.timeline-title {
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
  font-size: 0.85rem;
}
.timeline-desc {
  font-size: 0.74rem;
  color: var(--muted);
  line-height: 1.5;
}
.timeline-time {
  font-size: 0.65rem;
  color: var(--subtle);
  margin-top: 6px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.progress-circle {
  position: relative;
  width: 80px;
  height: 80px;
}
.progress-circle svg {
  transform: rotate(-90deg);
  width: 100%;
  height: 100%;
}
.progress-circle-bg {
  stroke: var(--surface-3);
  stroke-width: 6;
  fill: none;
}
.progress-circle-fill {
  stroke: var(--accent);
  stroke-width: 6;
  fill: none;
  stroke-linecap: round;
  transition: stroke-dasharray 0.5s ease;
}
.progress-circle-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--ink);
}
.notification-dropdown {
  position: relative;
}
.notification-bell {
  position: relative;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: all 0.2s;
  background: var(--surface-2);
  border: 1px solid var(--border);
}
.notification-bell:hover {
  background: var(--surface-3);
  transform: scale(1.05);
}
.notification-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  background: var(--danger);
  color: #fff;
  font-size: 0.58rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 20px;
  min-width: 18px;
  text-align: center;
}
.notification-panel {
  position: absolute;
  top: 100%;
  right: 0;
  width: 320px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  z-index: 100;
  display: none;
  margin-top: 8px;
}
.notification-panel.open {
  display: block;
  animation: fadeUp 0.2s ease;
}
.notification-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
  font-size: 0.81rem;
  color: var(--ink);
}
.notification-list {
  max-height: 400px;
  overflow-y: auto;
}
.notification-item {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
  cursor: pointer;
}
.notification-item:hover {
  background: var(--surface-2);
}
.notification-item.unread {
  background: var(--accent-l);
}
.notification-item-title {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
}
.notification-item-desc {
  font-size: 0.69rem;
  color: var(--muted);
}
.notification-item-time {
  font-size: 0.58rem;
  color: var(--subtle);
  margin-top: 4px;
}
.search-bar {
  display: flex;
  align-items: center;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 6px 14px;
  transition: all 0.2s;
}
.search-bar:focus-within {
  border-color: var(--focus-color);
  box-shadow: 0 0 0 3px var(--focus-ring);
  background: var(--surface);
}
.search-bar input {
  border: none;
  background: transparent;
  padding: 8px 8px 8px 0;
  font-size: 0.81rem;
  width: 200px;
  outline: none;
  color: var(--ink);
}
.search-bar input::placeholder {
  color: var(--placeholder);
}
.search-icon {
  color: var(--muted);
  margin-right: 8px;
  font-size: 0.85rem;
}
.quick-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}
.quick-action-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 20px 16px;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s ease;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.quick-action-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-b);
  box-shadow: var(--shadow-md);
}
.quick-action-icon {
  font-size: 1.6rem;
  color: var(--accent);
}
.quick-action-title {
  font-size: 0.81rem;
  font-weight: 600;
  color: var(--ink);
}
.quick-action-desc {
  font-size: 0.67rem;
  color: var(--muted);
}
.chart-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 20px;
  margin-bottom: 20px;
}
.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.chart-title {
  font-weight: 700;
  color: var(--ink);
  font-size: 0.85rem;
}
.chart-legend {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.67rem;
  color: var(--muted);
}
.legend-color {
  width: 12px;
  height: 12px;
  border-radius: 3px;
}
.chart-body {
  min-height: 200px;
}
.simple-chart {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  height: 180px;
  padding: 10px 0;
}
.chart-bar-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.chart-bar {
  width: 100%;
  background: linear-gradient(180deg, var(--accent), var(--accent-d));
  border-radius: 6px 6px 0 0;
  transition: height 0.5s ease;
  min-height: 4px;
}
.chart-label {
  font-size: 0.65rem;
  color: var(--muted);
  text-align: center;
}
.chart-value {
  font-size: 0.67rem;
  font-weight: 600;
  color: var(--ink);
}
.announcement-card {
  background: linear-gradient(135deg, var(--surface), var(--surface-2));
  border-left: 4px solid var(--gold2);
  border-radius: var(--r-md);
  padding: 18px 20px;
  margin-bottom: 14px;
  transition: all 0.25s ease;
}
.announcement-card:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}
.announcement-title {
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
  font-size: 0.85rem;
}
.announcement-content {
  font-size: 0.76rem;
  color: var(--text2);
  line-height: 1.55;
  margin-bottom: 10px;
}
.announcement-meta {
  display: flex;
  gap: 16px;
  font-size: 0.65rem;
  color: var(--muted);
}
.announcement-date {
  display: flex;
  align-items: center;
  gap: 4px;
}
.announcement-author {
  display: flex;
  align-items: center;
  gap: 4px;
}
.fab {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--btn-accent));
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  box-shadow: var(--shadow-lg);
  transition: all 0.25s ease;
  z-index: 90;
}
.fab:hover {
  transform: scale(1.1) translateY(-4px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.25);
}
[data-tooltip] {
  position: relative;
  cursor: help;
}
[data-tooltip]::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: var(--ink);
  color: #fff;
  padding: 6px 12px;
  border-radius: var(--r-sm);
  font-size: 0.67rem;
  white-space: nowrap;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s;
  font-family: var(--ff-sans);
}
[data-tooltip]:hover::before {
  opacity: 1;
  transform: translateX(-50%) translateY(-12px);
}
.skeleton {
  background: linear-gradient(90deg, var(--surface-2) 25%, var(--surface-3) 50%, var(--surface-2) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--r-sm);
}
.skeleton-text {
  height: 14px;
  margin-bottom: 8px;
}
.skeleton-title {
  height: 20px;
  width: 60%;
  margin-bottom: 12px;
}
.skeleton-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
}
.skeleton-card {
  height: 180px;
  border-radius: var(--r-md);
}
.offline-indicator {
  position: fixed;
  bottom: 20px;
  left: 20px;
  background: var(--danger);
  color: #fff;
  padding: 10px 18px;
  border-radius: 40px;
  font-size: 0.76rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 1000;
  box-shadow: var(--shadow-md);
  transform: translateX(-120%);
  transition: transform 0.3s ease;
}
.offline-indicator.show {
  transform: translateX(0);
}
@media print {
  .sidebar,
  .topbar,
  .brand-strip,
  .footer,
  .btn,
  .fab,
  .notification-dropdown,
  .filter-bar,
  .page-actions {
    display: none !important;
  }
  .main-content,
  .main {
    margin: 0;
    padding: 0;
  }
  .card,
  .stat-card,
  .exam-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ccc;
  }
  body {
    background: #fff;
    color: #000;
  }
  .result-box {
    box-shadow: none;
    border: 1px solid #ccc;
  }
}
@media (prefers-contrast: high) {
  :root {
    --bg-page: #fff;
    --border: #000;
    --text: #000;
    --text2: #000;
    --muted: #333;
  }
  .stat-card,
  .exam-card,
  .card {
    border: 2px solid #000;
  }
  .btn-primary,
  .btn-accent {
    background: #000;
    color: #fff;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg-page: #0f172a;
    --surface: #1e293b;
    --surface-2: #334155;
    --surface-3: #475569;
    --border: #334155;
    --text: #f1f5f9;
    --text2: #cbd5e1;
    --text3: #94a3b8;
    --muted: #94a3b8;
    --ink: #f1f5f9;
    --ink-2: #e2e8f0;
    --ink-3: #cbd5e1;
    --bg-input: #1e293b;
    --bg-row-hover: #334155;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow: 0 4px 16px rgba(0,0,0,0.3);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.4);
  }
  .card,
  .stat-card,
  .exam-card,
  .modal {
    background: var(--surface);
  }
  .page-header,
  .topbar {
    background: rgba(30,41,59,0.95);
  }
  .auth-right {
    background: var(--surface);
  }
  .result-box,
  .result-pending-box {
    background: var(--surface);
  }
}
:focus-visible {
  outline: 2px solid var(--focus-color);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}
::selection {
  background: var(--accent);
  color: #fff;
}
.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--navy2);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
  z-index: 89;
  box-shadow: var(--shadow);
}
.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}
.scroll-top:hover {
  background: var(--navy3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.masonry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
  grid-auto-rows: minmax(min-content, max-content);
}
.stepper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 24px 0;
  position: relative;
}
.stepper::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--border);
  transform: translateY(-50%);
  z-index: 0;
}
.step {
  position: relative;
  z-index: 1;
  background: var(--surface);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  border: 2px solid var(--border);
  color: var(--muted);
  transition: all 0.25s ease;
}
.step.completed {
  border-color: var(--success);
  background: var(--success);
  color: #fff;
}
.step.active {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
  transform: scale(1.1);
}
.step-label {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-top: 8px;
  font-size: 0.67rem;
  white-space: nowrap;
  color: var(--muted);
}
.rating {
  display: inline-flex;
  gap: 4px;
}
.rating-star {
  color: var(--border2);
  font-size: .95rem;
  cursor: pointer;
  transition: color 0.2s;
}
.rating-star.active {
  color: var(--gold2);
}
.rating-star:hover {
  color: var(--gold);
}
.tag-input {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--bg-input);
  cursor: text;
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-l);
  color: var(--accent);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 500;
}
.tag-remove {
  cursor: pointer;
  font-size: 0.67rem;
  opacity: 0.7;
  transition: opacity 0.2s;
}
.tag-remove:hover {
  opacity: 1;
}
.tag-input-field {
  border: none;
  background: transparent;
  padding: 4px;
  font-size: 0.76rem;
  outline: none;
  flex: 1;
  min-width: 80px;
  color: var(--ink);
}
.image-preview {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 80px));
  gap: 12px;
  margin-top: 12px;
}
.preview-image {
  position: relative;
  width: 80px;
  height: 80px;
  border-radius: var(--r-sm);
  overflow: hidden;
  border: 1px solid var(--border);
}
.preview-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.preview-remove {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--danger);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.67rem;
  cursor: pointer;
  transition: all 0.2s;
}
.preview-remove:hover {
  transform: scale(1.1);
}
.accordion {
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  margin-bottom: 16px;
}
.accordion-header {
  padding: 16px 20px;
  background: var(--surface-2);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  transition: background 0.2s;
}
.accordion-header:hover {
  background: var(--surface-3);
}
.accordion-icon {
  transition: transform 0.2s;
}
.accordion-header.open .accordion-icon {
  transform: rotate(180deg);
}
.accordion-body {
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
}
.accordion-body.open {
  padding: 20px;
  max-height: 500px;
}
.select-wrapper {
  position: relative;
}
.select-wrapper select {
  appearance: none;
  padding-right: 32px;
  cursor: pointer;
}
.select-arrow {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--muted);
  font-size: 0.67rem;
}
.checkbox-wrapper,
.radio-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
}
.checkbox-wrapper input,
.radio-wrapper input {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--accent);
}
.checkbox-label,
.radio-label {
  font-size: 0.81rem;
  color: var(--text2);
  cursor: pointer;
}
.switch {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 24px;
}
.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}
.switch-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--border2);
  transition: 0.2s;
  border-radius: 24px;
}
.switch-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: #fff;
  transition: 0.2s;
  border-radius: 50%;
}
input:checked + .switch-slider {
  background-color: var(--accent);
}
input:checked + .switch-slider:before {
  transform: translateX(24px);
}
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  display: none;
}
.loading-overlay.show {
  display: flex;
}
.loading-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.loading-text {
  color: #fff;
  margin-top: 16px;
  font-size: 0.81rem;
}
.portal-footer{background:var(--navy);color:rgba(255,255,255,.45);font-size:.72rem;padding:14px 28px;display:flex;align-items:center;flex-shrink:0;letter-spacing:.04em;margin-top:auto;}
.footer-inner{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.footer-dot{width:3px;height:3px;border-radius:50%;background:rgba(255,255,255,.3);}