/* ═══════════════════════════════════════════════════════════
   Result Analysis Portal — Professional Animated UI
   ═══════════════════════════════════════════════════════════ */

/* ─── Fonts & Reset ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-font-smoothing: antialiased; scroll-behavior: smooth; }

/* ─── Keyframes ───────────────────────────────────────────── */

/* Entrance — stagger fade up */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Entrance — fade in from left (login left panel) */
@keyframes fade-right {
  from { opacity: 0; transform: translateX(-28px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* Entrance — fade in from right (login right panel) */
@keyframes fade-left {
  from { opacity: 0; transform: translateX(28px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* Table row entrance */
@keyframes row-in {
  from { opacity: 0; transform: translateX(-12px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* KPI value pop on update */
@keyframes value-pop {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.12); color: var(--primary); }
  100% { transform: scale(1); }
}

/* Skeleton shimmer */
@keyframes shimmer {
  0%   { background-position: -600px 0; }
  100% { background-position: 600px 0; }
}

/* Spinner */
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Status dot blink */
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.35; }
}

/* Top progress bar */
@keyframes progress-indeterminate {
  0%   { left: -35%; right: 100%; }
  60%  { left: 100%; right: -90%; }
  100% { left: 100%; right: -90%; }
}

/* Grade badge entrance */
@keyframes badge-in {
  from { opacity: 0; transform: scale(0.7); }
  to   { opacity: 1; transform: scale(1); }
}

/* Navbar entrance */
@keyframes nav-drop {
  from { opacity: 0; transform: translateY(-100%); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Login feature items stagger */
@keyframes feature-in {
  from { opacity: 0; transform: translateX(-16px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* KPI card entrance */
@keyframes kpi-rise {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}



:root {
  /* Light theme (default) */
  --bg:          #f5f6fa;
  --bg-2:        #eef0f6;
  --surface:     #ffffff;
  --surface-2:   #f9fafb;
  --border:      #e5e7ef;
  --border-2:    #d1d5e4;
  --text-1:      #111827;
  --text-2:      #4b5563;
  --text-3:      #9ca3af;
  --primary:     #2563eb;
  --primary-dk:  #1d4ed8;
  --primary-bg:  #eff6ff;
  --success:     #059669;
  --success-bg:  #ecfdf5;
  --warning:     #d97706;
  --warning-bg:  #fffbeb;
  --danger:      #dc2626;
  --danger-bg:   #fef2f2;
  --violet:      #7c3aed;
  --violet-bg:   #f5f3ff;
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.05);
  --shadow:      0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg:   0 12px 32px rgba(0,0,0,0.1), 0 4px 8px rgba(0,0,0,0.05);
  --radius-sm:   6px;
  --radius:      10px;
  --radius-lg:   14px;
  --ease:        cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --bg:          #0f1117;
  --bg-2:        #161b27;
  --surface:     #1c2237;
  --surface-2:   #212840;
  --border:      #2d3452;
  --border-2:    #3a4166;
  --text-1:      #f1f5f9;
  --text-2:      #94a3b8;
  --text-3:      #475569;
  --primary:     #3b82f6;
  --primary-dk:  #2563eb;
  --primary-bg:  rgba(59,130,246,0.1);
  --success:     #10b981;
  --success-bg:  rgba(16,185,129,0.1);
  --warning:     #f59e0b;
  --warning-bg:  rgba(245,158,11,0.1);
  --danger:      #ef4444;
  --danger-bg:   rgba(239,68,68,0.1);
  --violet:      #a78bfa;
  --violet-bg:   rgba(167,139,250,0.1);
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.4);
  --shadow:      0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg:   0 16px 48px rgba(0,0,0,0.5);
}

body {
  font-family: 'Inter', 'DM Sans', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text-1);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
}

/* ─── Scrollbar ───────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-3); }

/* ─── Utility ─────────────────────────────────────────────── */
.hidden { display: none !important; }

/* ═══════════════════════════════════════════════════════════
   NAVBAR
   ═══════════════════════════════════════════════════════════ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  animation: nav-drop 0.4s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.nav-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 28px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
  flex-shrink: 0;
}

.brand-icon {
  width: 36px;
  height: 36px;
  background: var(--primary);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  color: white;
  flex-shrink: 0;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s;
}

.nav-brand:hover .brand-icon {
  transform: scale(1.1);
  box-shadow: 0 4px 16px rgba(37,99,235,0.35);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.brand-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: -0.01em;
}

.brand-sub {
  font-size: 0.72rem;
  color: var(--text-3);
  font-weight: 500;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Profile pill */
.nav-profile {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 5px 12px 5px 5px;
  border-radius: 99px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  transition: border-color 0.2s var(--ease);
}

.nav-profile:hover { border-color: var(--primary); }

.nav-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary);
}

.nav-profile-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.nav-profile-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-1);
}

.nav-profile-reg {
  font-size: 0.7rem;
  color: var(--text-3);
}

/* Status */
.nav-status {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 99px;
  background: var(--success-bg);
  border: 1px solid rgba(5,150,105,0.2);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

.status-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--success);
}

/* Theme button */
.nav-theme-btn {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  color: var(--text-2);
  cursor: pointer;
  transition: all 0.2s var(--ease);
}

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

/* Theme icon switching */
:root .icon-moon     { display: block; }
:root .icon-sun      { display: none; }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="dark"] .icon-sun  { display: block; }

/* ═══════════════════════════════════════════════════════════
   PAGE LAYOUT
   ═══════════════════════════════════════════════════════════ */
.page-main {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 28px 60px;
}

/* Alerts */
.alerts-wrap { padding-top: 20px; }

.alert-box {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 16px;
  border-left: 4px solid;
}

.alert-error {
  background: var(--danger-bg);
  color: var(--danger);
  border-color: var(--danger);
}

.alert-info {
  background: var(--primary-bg);
  color: var(--primary);
  border-color: var(--primary);
}

/* ═══════════════════════════════════════════════════════════
   LOGIN PAGE — Split Layout
   ═══════════════════════════════════════════════════════════ */
.login-page {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(100vh - 60px);
  gap: 0;
}

/* Left panel */
.login-left {
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 56px;
  position: relative;
  overflow: hidden;
  animation: fade-right 0.55s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes slide-in-left {
  from { opacity: 0; transform: translateX(-30px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* Subtle geometric pattern */
.login-left::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  border: 80px solid rgba(255,255,255,0.05);
  border-radius: 50%;
  bottom: -200px;
  right: -150px;
  pointer-events: none;
}

.login-left::after {
  content: '';
  position: absolute;
  width: 280px;
  height: 280px;
  border: 50px solid rgba(255,255,255,0.05);
  border-radius: 50%;
  top: -80px;
  left: -80px;
  pointer-events: none;
}

.login-left-content { position: relative; z-index: 1; max-width: 420px; }

.login-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 99px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.9);
  border: 1px solid rgba(255,255,255,0.25);
  margin-bottom: 24px;
  animation: fade-up 0.5s 0.15s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.login-heading {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  color: white;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  animation: fade-up 0.5s 0.25s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.login-desc {
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.75);
  margin-bottom: 40px;
  animation: fade-up 0.5s 0.35s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.login-features { display: flex; flex-direction: column; gap: 20px; margin-bottom: 48px; }

.login-feature {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  animation: feature-in 0.5s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.login-feature:nth-child(1) { animation-delay: 0.45s; }
.login-feature:nth-child(2) { animation-delay: 0.55s; }
.login-feature:nth-child(3) { animation-delay: 0.65s; }

.login-feature-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.15);
  display: grid;
  place-items: center;
  color: white;
  flex-shrink: 0;
}

.login-feature-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: white;
  margin-bottom: 2px;
}

.login-feature-desc {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.65);
}

.login-footer-text {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
}

/* Right panel */
.login-right {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 56px;
  background: var(--surface);
  animation: fade-left 0.55s 0.1s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes slide-in-right {
  from { opacity: 0; transform: translateX(30px); }
  to   { opacity: 1; transform: translateX(0); }
}

.login-card {
  width: 100%;
  max-width: 400px;
  animation: fade-up 0.5s 0.3s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.login-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 32px;
}

.login-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: var(--primary-bg);
  display: grid;
  place-items: center;
  color: var(--primary);
  flex-shrink: 0;
}

.login-card-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: -0.02em;
  margin-bottom: 2px;
}

.login-card-sub {
  font-size: 0.82rem;
  color: var(--text-3);
}

/* ─── Form Elements ─────────────────────────────────────── */
.form-group { margin-bottom: 20px; }

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 8px;
  letter-spacing: 0.01em;
}

.input-wrap {
  position: relative;
}

.input-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-3);
  pointer-events: none;
  transition: color 0.2s var(--ease);
}

.form-input {
  width: 100%;
  height: 44px;
  padding: 0 14px 0 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-2);
  color: var(--text-1);
  font-size: 0.9rem;
  font-family: 'Inter', sans-serif;
  outline: none;
  transition: all 0.2s var(--ease);
}

.form-input::placeholder { color: var(--text-3); }

.form-input:focus {
  border-color: var(--primary);
  background: var(--surface);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
}

.form-input:focus + .input-icon,
.input-wrap:focus-within .input-icon { color: var(--primary); }

.login-note {
  margin-top: 16px;
  font-size: 0.75rem;
  color: var(--text-3);
  text-align: center;
  line-height: 1.6;
}

/* ─── Buttons ────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 20px;
  border: none;
  border-radius: var(--radius);
  background: var(--primary);
  color: white;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  width: 100%;
  transition: background 0.2s var(--ease), transform 0.18s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.2s var(--ease);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.01em;
}

/* Ripple */
.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, rgba(255,255,255,0.25) 0%, transparent 70%);
  opacity: 0;
  transform: scale(0);
  transition: opacity 0.4s, transform 0.4s;
}

.btn-primary:active::after {
  opacity: 1;
  transform: scale(2.5);
  transition: 0s;
}

.btn-primary:hover { background: var(--primary-dk); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(37,99,235,0.35); }
.btn-primary:active { transform: translateY(0) scale(0.98); box-shadow: none; }
.btn-primary:disabled { opacity: 0.55; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

.btn-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 36px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text-2);
  font-size: 0.8rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: all 0.2s var(--ease);
  white-space: nowrap;
}

.btn-outline:hover:not(:disabled) {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-bg);
}

.btn-outline:disabled { opacity: 0.4; cursor: not-allowed; }

/* ═══════════════════════════════════════════════════════════
   PAGE HEADER
   ═══════════════════════════════════════════════════════════ */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0 20px;
  flex-wrap: wrap;
  animation: fade-up 0.45s 0.05s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.page-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.page-sub {
  font-size: 0.85rem;
  color: var(--text-3);
}

/* ─── Search Bar ─────────────────────────────────────────── */
.search-form {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
  min-width: 360px;
}

.search-input-wrap {
  position: relative;
  flex: 1;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-3);
  pointer-events: none;
}

.search-input {
  width: 100%;
  height: 44px;
  padding: 0 14px 0 38px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text-1);
  font-size: 0.9rem;
  font-family: 'Inter', sans-serif;
  outline: none;
  transition: all 0.2s var(--ease);
}

.search-input::placeholder { color: var(--text-3); }

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
}

.search-form .btn-primary {
  width: auto;
  padding: 0 22px;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════
   KPI STRIP
   ═══════════════════════════════════════════════════════════ */
.kpi-strip {
  display: flex;
  align-items: stretch;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
  overflow: hidden;
  animation: fade-up 0.45s 0.15s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.kpi-card {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  transition: background 0.2s var(--ease);
  min-width: 0;
  animation: kpi-rise 0.5s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* Stagger each KPI card */
.kpi-card:nth-child(1)  { animation-delay: 0.10s; }
.kpi-card:nth-child(3)  { animation-delay: 0.18s; }
.kpi-card:nth-child(5)  { animation-delay: 0.26s; }
.kpi-card:nth-child(7)  { animation-delay: 0.34s; }
.kpi-card:nth-child(9)  { animation-delay: 0.42s; }
.kpi-card:nth-child(11) { animation-delay: 0.50s; }

.kpi-card:hover { background: var(--surface-2); }

.kpi-card--highlight { background: var(--primary-bg); }
.kpi-card--highlight:hover { background: var(--primary-bg); filter: brightness(0.97); }

.kpi-divider {
  width: 1px;
  background: var(--border);
  align-self: stretch;
  flex-shrink: 0;
}

.kpi-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.kpi-icon--blue   { background: #eff6ff; color: #2563eb; }
.kpi-icon--green  { background: #ecfdf5; color: #059669; }
.kpi-icon--gold   { background: #fffbeb; color: #d97706; }
.kpi-icon--red    { background: #fef2f2; color: #dc2626; }
.kpi-icon--violet { background: #f5f3ff; color: #7c3aed; }
.kpi-icon--primary{ background: rgba(37,99,235,0.12); color: var(--primary); }

[data-theme="dark"] .kpi-icon--blue   { background: rgba(37,99,235,0.12);  color: #60a5fa; }
[data-theme="dark"] .kpi-icon--green  { background: rgba(5,150,105,0.12);  color: #34d399; }
[data-theme="dark"] .kpi-icon--gold   { background: rgba(217,119,6,0.12);  color: #fbbf24; }
[data-theme="dark"] .kpi-icon--red    { background: rgba(220,38,38,0.12);  color: #f87171; }
[data-theme="dark"] .kpi-icon--violet { background: rgba(124,58,237,0.12); color: #a78bfa; }

.kpi-body { min-width: 0; }

.kpi-value {
  display: block;
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: -0.02em;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  transition: all 0.3s var(--ease);
}

/* Triggered from JS when value updates */
.kpi-value.pop {
  animation: value-pop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

.kpi-value--primary { color: var(--primary); }

.kpi-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-3);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* ═══════════════════════════════════════════════════════════
   DATA CARD (table wrapper)
   ═══════════════════════════════════════════════════════════ */
.data-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  animation: fade-up 0.45s 0.25s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.data-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.data-card-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-1);
  margin: 0;
}

.data-card-title svg { color: var(--primary); }

.data-card-meta {
  font-size: 0.82rem;
  color: var(--text-3);
  margin-top: 3px;
}

.data-card-actions { display: flex; gap: 8px; }

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

.results-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.results-table thead th {
  padding: 10px 16px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-3);
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  text-align: left;
}

.results-table tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background 0.15s var(--ease), transform 0.15s var(--ease);
  animation: row-in 0.35s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.results-table tbody tr:hover {
  background: var(--surface-2);
  transform: translateX(3px);
}

/* Skeleton shimmer rows during loading */
.skeleton-row td {
  animation: none !important;
}

.skeleton-cell {
  display: block;
  height: 14px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--surface-2) 25%, var(--border) 50%, var(--surface-2) 75%);
  background-size: 600px 100%;
  animation: shimmer 1.4s ease-in-out infinite;
}

.skeleton-cell.short { width: 60%; }
.skeleton-cell.medium { width: 80%; }
.skeleton-cell.full { width: 100%; }

.results-table tbody td {
  padding: 13px 16px;
  color: var(--text-1);
  vertical-align: middle;
  white-space: nowrap;
}

.table-empty {
  text-align: center !important;
  padding: 64px 16px !important;
  color: var(--text-3) !important;
  white-space: normal !important;
}

.table-empty svg { margin: 0 auto 12px; display: block; opacity: 0.4; }
.table-empty span { display: block; font-size: 0.875rem; }

/* ─── Grade Badges ───────────────────────────────────────── */
.grade-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 24px;
  padding: 0 10px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: white;
}

.grade-s  { background: #059669; }
.grade-a  { background: #0891b2; }
.grade-b  { background: #2563eb; }
.grade-c  { background: #7c3aed; }
.grade-d  { background: #d97706; }
.grade-e  { background: #ea580c; }
.grade-f, .grade-u, .grade-ra { background: #dc2626; }

/* ─── Mark Chips ─────────────────────────────────────────── */
.mark-split-list { display: flex; flex-wrap: wrap; gap: 4px; }

.mark-split-chip {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--success);
  background: var(--success-bg);
  border: 1px solid rgba(5,150,105,0.2);
}

.mark-split-chip-danger {
  color: var(--danger);
  background: var(--danger-bg);
  border-color: rgba(220,38,38,0.2);
}

/* ─── Result badges ──────────────────────────────────────── */
.result-pass {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--success);
}

.result-fail {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--danger);
}

/* ─── Progress (hidden but kept for JS) ─────────────────── */
.progress-list { display: grid; gap: 14px; }

/* ═══════════════════════════════════════════════════════════
   PAGE FOOTER
   ═══════════════════════════════════════════════════════════ */
.page-footer {
  text-align: center;
  padding: 40px 0 0;
  font-size: 0.78rem;
  color: var(--text-3);
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 960px) {
  .login-page { grid-template-columns: 1fr; }
  .login-left { display: none; }
  .login-right { padding: 40px 28px; min-height: calc(100vh - 60px); }
  .kpi-strip { flex-wrap: wrap; }
  .kpi-divider { display: none; }
  .kpi-card { flex: 0 0 calc(50% - 1px); border-bottom: 1px solid var(--border); }
}

@media (max-width: 640px) {
  .nav-inner { padding: 0 16px; }
  .brand-sub { display: none; }
  .page-main { padding: 0 16px 40px; }
  .page-header { flex-direction: column; align-items: flex-start; gap: 16px; }
  .search-form { width: 100%; min-width: unset; }
  .data-card-header { flex-direction: column; align-items: flex-start; }
  .data-card-actions { width: 100%; }
  .btn-outline { flex: 1; }
  .kpi-card { flex: 0 0 100%; }
  .nav-status .status-label { display: none; }
}

/* ═══════════════════════════════════════════════════════════
   REDUCED MOTION
   ═══════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ═══════════════════════════════════════════════════════════
   PRINT
   ═══════════════════════════════════════════════════════════ */
@media print {
  .navbar, .search-form, .data-card-actions, .page-footer { display: none !important; }
  body { background: white !important; color: black !important; }
  .data-card { border: 1px solid #ccc !important; box-shadow: none !important; }
}