/* =====================================================
   PORTAL DESIGN TOKENS — must be first
   ===================================================== */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
    --clr-navy: #0f172a;
    --clr-mid: #123c69;
    --clr-blue: #2563eb;
    --clr-admin-mid: #7c3aed;
    --clr-coord-mid: #0f766e;
    --clr-lecturer-mid: #d97706;
    --clr-student-mid: #2563eb;
    --clr-surface: #f6f8fb;
    --clr-card: #ffffff;
    --clr-border: #d9e2ec;
    --clr-text: #1e293b;
    --clr-muted: #526173;
    --r-sm: 8px;
    --r-md: 14px;
    --r-lg: 20px;
    --r-xl: 28px;
    --shadow-card: 0 4px 6px -1px rgba(15, 23, 42, 0.06), 0 10px 24px -4px rgba(15, 23, 42, 0.08);
    --shadow-card-lg: 0 18px 48px rgba(15, 23, 42, 0.08);
    --shadow-hover: 0 8px 16px -2px rgba(15, 23, 42, 0.10), 0 20px 40px -8px rgba(15, 23, 42, 0.14);
    --trans-fast: all 0.18s cubic-bezier(0.22, 1, 0.36, 1);
    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --clr-text-body: #1e293b;
    --clr-navy-900: #0f172a;
    --clr-blue-600: #2563eb;
    --clr-blue-500: #3b82f6;
    --clr-blue-50: #eff6ff;
    --shadow-glow-blue: 0 0 0 3px rgba(37, 99, 235, 0.18);
    --trans-base: all 0.18s cubic-bezier(0.22, 1, 0.36, 1);
}

body {
    background:
        radial-gradient(circle at top right, rgba(13, 110, 253, 0.10), transparent 24%),
        linear-gradient(180deg, #f6f8fb 0%, #eef3f8 100%);
    font-family: var(--font-body);
}

.navbar-inverse {
    background: linear-gradient(120deg, #0f172a 0%, #123c69 45%, #1d4ed8 100%);
    border: 0;
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.16);
}

.navbar-inverse .navbar-brand,
.navbar-inverse .navbar-nav > li > a {
    color: rgba(255, 255, 255, 0.92);
    font-weight: 600;
}

.navbar-inverse .navbar-brand:hover,
.navbar-inverse .navbar-nav > li > a:hover,
.navbar-inverse .navbar-nav > .open > a,
.navbar-inverse .navbar-nav > .open > a:hover,
.navbar-inverse .navbar-nav > .open > a:focus {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

.navbar-inverse .dropdown-menu {
    border-radius: 14px;
    border: 1px solid #d9e2ec;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
    overflow: hidden;
}

.wrap > .container {
    width: min(1200px, calc(100% - 30px));
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid #d9e2ec;
    border-radius: 22px;
    box-shadow: 0 18px 48px rgba(15, 23, 42, 0.08);
    margin-top: 26px;
    margin-bottom: 34px;
    padding: 26px 28px 30px;
}

.breadcrumb {
    background: transparent;
    margin-bottom: 16px;
    padding: 0;
    font-size: 13px;
}

.portal-shell {
    display: grid;
    gap: 18px;
}

.portal-hero {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    padding: 22px 28px;
    border-radius: 20px;
    background: linear-gradient(135deg, #0f172a 0%, #123c69 55%, #1d4ed8 100%);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.32);
    box-shadow: 0 6px 22px rgba(15, 23, 42, 0.25);
}

.portal-hero h1,
.portal-hero h2 {
    margin: 0 0 8px;
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 12px rgba(15, 23, 42, 0.55);
}

.portal-hero p {
    margin: 0;
    max-width: 760px;
    color: rgba(255, 255, 255, 0.85);
    text-shadow: 0 1px 10px rgba(15, 23, 42, 0.45);
}

.portal-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.72);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border: 1px solid rgba(18, 60, 105, 0.08);
}

.portal-card {
    background: #fff;
    border: 1px solid #d9e2ec;
    border-radius: 18px;
    padding: 18px 20px;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
}

.portal-card h3 {
    margin: 0 0 8px;
    font-size: 18px;
    font-weight: 700;
    color: #0f172a;
}

.portal-subtle {
    color: #526173;
    font-size: 14px;
}

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

.portal-actions--end {
    align-items: flex-end;
}

.portal-actions--between {
    justify-content: space-between;
}

.portal-note {
    border-left: 4px solid #2563eb;
    background: #f5f9ff;
    color: #1e3a5f;
    border-radius: 14px;
    padding: 14px 16px;
}

.portal-alert {
    border: 0;
    border-radius: 14px;
    padding: 14px 16px;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
}

.portal-table-card .table {
    margin-bottom: 0;
}

.portal-table-card .table > thead > tr > th {
    border-bottom: 0;
    background: #eff4f9;
    color: #18324a;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding-top: 14px;
    padding-bottom: 14px;
}

.portal-table-card .table > tbody > tr > td {
    vertical-align: middle;
    border-top: 1px solid #e8eef5;
    padding-top: 13px;
    padding-bottom: 13px;
}

.portal-table-card .table-hover > tbody > tr:hover {
    background: #f8fbff;
}

.portal-status {
    display: inline-flex;
    align-items: center;
    padding: 5px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
}

.portal-status--info {
    background: #e8f1ff;
    color: #1d4ed8;
}

.portal-status--success {
    background: #e8f8ee;
    color: #15803d;
}

.portal-status--warning {
    background: #fff6dc;
    color: #b45309;
}

.portal-status--danger {
    background: #ffe5e5;
    color: #b91c1c;
}

.portal-login-shell {
    display: grid;
    place-items: center;
    min-height: calc(100vh - 180px);
}

.portal-login-card {
    width: min(980px, 100%);
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    background: #fff;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid #d9e2ec;
    box-shadow: 0 24px 48px rgba(15, 23, 42, 0.12);
}

.portal-login-panel {
    padding: 34px 34px 30px;
}

.portal-login-panel--brand {
    background: linear-gradient(160deg, #0f172a 0%, #123c69 54%, #2563eb 100%);
    color: #fff;
}

.portal-login-panel--brand h1 {
    margin-top: 0;
    margin-bottom: 16px;
    font-size: 34px;
    font-weight: 700;
}

.portal-login-panel--brand p {
    color: rgba(255, 255, 255, 0.82);
}

.portal-login-facts {
    display: grid;
    gap: 12px;
    margin-top: 26px;
}

.portal-login-fact {
    padding: 14px 15px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.10);
    border: 1px solid rgba(255, 255, 255, 0.14);
}

.portal-login-fact strong {
    display: block;
    margin-bottom: 4px;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.portal-login-panel--form h2 {
    margin: 0 0 8px;
    font-size: 28px;
    font-weight: 700;
    color: #0f172a;
}

.portal-login-panel--form .help-block {
    font-size: 13px;
}

.portal-login-panel--form .btn-primary,
.portal-actions .btn,
.portal-card .btn {
    border-radius: 12px;
    font-weight: 600;
    padding: 10px 16px;
}

.portal-link-inline {
    font-weight: 600;
}

.portal-form-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(320px, 0.9fr);
    gap: 20px;
}

.portal-form-grid--single {
    grid-template-columns: minmax(0, 1fr);
}

.portal-panel {
    background: #fff;
    border: 1px solid #d9e2ec;
    border-radius: 18px;
    padding: 20px 22px;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
}

.portal-panel h2,
.portal-panel h3 {
    margin-top: 0;
    color: #0f172a;
}

.portal-checklist {
    margin: 0;
    padding-left: 18px;
    color: #526173;
}

.portal-checklist li + li {
    margin-top: 8px;
}

.portal-scroll {
    max-height: 520px;
    overflow-y: auto;
}

.portal-inline-search {
    display: flex;
    gap: 10px;
}

.portal-form-grid .help-block {
    font-size: 13px;
}

.portal-form-grid .radio label,
.portal-form-grid .checkbox label {
    font-weight: 500;
}

.portal-form-grid .form-control,
.portal-login-card .form-control {
    border-radius: 12px;
    border-color: #cfd8e3;
    box-shadow: none;
}

.portal-form-grid .form-control:focus,
.portal-login-card .form-control:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.portal-figure {
    width: 100%;
    max-width: 780px;
    border-radius: 16px;
    border: 1px solid #d9e2ec;
    box-shadow: 0 12px 26px rgba(15, 23, 42, 0.08);
}

.portal-detail-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(220px, 0.6fr);
    gap: 20px;
}

.portal-profile-image {
    width: 100%;
    max-width: 240px;
    border-radius: 20px;
    border: 1px solid #d9e2ec;
    box-shadow: 0 14px 32px rgba(15, 23, 42, 0.10);
    object-fit: cover;
}

.portal-detail-card .table {
    margin-bottom: 0;
}

.portal-detail-card .table > tbody > tr > th {
    width: 220px;
    color: #0f172a;
    background: #f8fbff;
}

.portal-detail-card .table > tbody > tr > td,
.portal-detail-card .table > tbody > tr > th {
    border-top: 1px solid #e8eef5;
    padding: 14px 16px;
}

.portal-page-heading {
    margin: 0 0 16px;
    color: #0f172a;
}

.portal-spacer-top {
    margin-top: 18px;
}

.footer {
    margin-top: 24px;
    padding: 18px 0;
    background: transparent;
    border-top: 0;
}

.import-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
}

.import-summary-card {
    border-radius: 16px;
    padding: 16px 18px;
    border: 1px solid #d7dee8;
    background: #f7f9fc;
}

.import-summary-card strong {
    display: block;
    font-size: 28px;
    line-height: 1.1;
    margin-top: 8px;
}

.import-summary-card--green {
    background: #edf9f0;
    border-color: #9fd5ab;
    color: #1d6b33;
}

.import-summary-card--red {
    background: #fff1f1;
    border-color: #e0a2a2;
    color: #9f1f1f;
}

.import-result-table tbody tr.row-inserted {
    background: #effaf2;
}

.import-result-table tbody tr.row-skipped {
    background: #fff1f1;
}

.import-reason {
    font-weight: 600;
}

@media (max-width: 900px) {
    .portal-login-card {
        grid-template-columns: 1fr;
    }

    .portal-form-grid {
        grid-template-columns: 1fr;
    }

    .portal-detail-grid {
        grid-template-columns: 1fr;
    }

    .portal-hero {
        flex-direction: column;
    }

    .wrap > .container {
        padding: 18px;
        border-radius: 18px;
    }
}

/* =====================================================
   PORTAL REFRESH — v2 Design System Extension
   Appended below all existing rules. Safe override.
   ===================================================== */

/* ── 1. Design Tokens ─────────────────────────────── */
/* ── 2. Global ────────────────────────────────────── */
body {
  color: var(--clr-text-body);
  animation: pa-fade-in 0.4s ease-out both;
}

/* ── 3. Ambient background layer ─────────────────── */
.portal-bg-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse at 80% 10%, rgba(37,99,235,0.07) 0%, transparent 50%),
    radial-gradient(ellipse at 10% 90%, rgba(124,58,237,0.05) 0%, transparent 45%);
}

.wrap, .footer {
  position: relative;
  z-index: 1;
}

/* ── 4. Navbar ────────────────────────────────────── */
.navbar-inverse {
  background: linear-gradient(120deg,
    #050d1a  0%,
    #123c69 38%,
    #1d4ed8 72%,
    #2563eb 100%
  ) !important;
  border: 0 !important;
  box-shadow: 0 2px 0 rgba(37,99,235,0.55), 0 8px 32px rgba(15,23,42,0.28) !important;
  position: relative;
}

/* Animated shimmer line along navbar bottom */
.navbar-inverse::after {
  content: "";
  display: block;
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(147,197,253,0.0) 10%,
    rgba(147,197,253,0.9) 50%,
    rgba(147,197,253,0.0) 90%,
    transparent 100%
  );
  background-size: 400px 100%;
  animation: pa-nav-shimmer 3.5s linear infinite;
  pointer-events: none;
}

.navbar-inverse .navbar-brand {
  font-size: 16px !important;
  font-weight: 800 !important;
  letter-spacing: -0.01em;
  color: #ffffff !important;
  text-shadow: 0 0 20px rgba(147,197,253,0.45);
  transition: var(--trans-fast);
}

.navbar-inverse .navbar-brand:hover {
  text-shadow: 0 0 28px rgba(147,197,253,0.75);
  background: transparent !important;
}

.navbar-inverse .navbar-nav > li > a {
  font-weight: 600 !important;
  font-size: 14px;
  transition: var(--trans-fast);
  border-radius: var(--r-sm);
  margin: 4px 2px;
}

.navbar-inverse .navbar-nav > li > a:hover,
.navbar-inverse .navbar-nav > .open > a,
.navbar-inverse .navbar-nav > .open > a:hover,
.navbar-inverse .navbar-nav > .open > a:focus {
  background: rgba(255,255,255,0.12) !important;
  color: #fff !important;
}

.navbar-inverse .navbar-nav > li > form {
  margin: 0;
  display: flex;
  align-items: stretch;
}

.navbar-inverse .navbar-nav > li > form > button.logout {
  color: rgba(255,255,255,0.92);
  font-weight: 600;
  font-size: 14px;
  border-radius: var(--r-sm);
  padding: 15px 15px;
  line-height: 20px;
  margin: 4px 2px;
  display: flex;
  align-items: center;
  background: transparent;
}

.navbar-inverse .navbar-nav > li > form > button.logout:hover,
.navbar-inverse .navbar-nav > li > form > button.logout:focus {
  background: rgba(255,255,255,0.12) !important;
  color: #fff !important;
}

.navbar-inverse .dropdown-menu {
  background: var(--clr-surface) !important;
  border-radius: var(--r-md) !important;
  border: 1px solid var(--clr-border) !important;
  box-shadow: 0 20px 48px rgba(15,23,42,0.16), 0 2px 8px rgba(15,23,42,0.08) !important;
  overflow: hidden !important;
  padding: 6px !important;
  min-width: 210px;
}

.navbar-inverse .dropdown-menu > li > a {
  color: var(--clr-navy-900) !important;
  font-weight: 500;
  border-radius: var(--r-sm) !important;
  padding: 9px 14px !important;
  transition: var(--trans-fast);
  position: relative;
}

.navbar-inverse .dropdown-menu > li > a::before {
  content: "";
  position: absolute;
  left: 0; top: 20%;
  height: 60%; width: 3px;
  border-radius: 2px;
  background: var(--clr-blue-600);
  opacity: 0;
  transition: opacity 0.15s ease;
}

.navbar-inverse .dropdown-menu > li > a:hover {
  background: var(--clr-blue-50) !important;
  color: var(--clr-blue-600) !important;
}

.navbar-inverse .dropdown-menu > li > a:hover::before {
  opacity: 1;
}

/* ── 5. Login page — full-screen dark canvas ──────── */

/* Dark body & zero-padding container for full-bleed pages */
body:has(.portal-login-shell),
body:has(.about-page) {
  background: #050d1a !important;
  overflow-x: hidden;
}

body:has(.portal-login-shell) .wrap,
body:has(.about-page) .wrap {
  background: #050d1a !important;
}

.wrap > .container:has(.portal-login-shell),
.wrap > .container:has(.about-page) {
  padding-top: 0 !important;
  padding-bottom: 0 !important;
  padding-left: 0 !important;
  padding-right: 0 !important;
  border-radius: 0 !important;
}

/* Break the login shell out of Bootstrap's container */
.portal-login-shell {
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  width: 100vw;
  display: grid;
  place-items: center;
  min-height: calc(100vh - 50px);
  overflow: hidden;
  background:
    radial-gradient(ellipse at 15% 85%, rgba(13,110,253,0.18) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 15%, rgba(124,58,237,0.14) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(30,58,138,0.10) 0%, transparent 70%),
    linear-gradient(160deg, #050d1a 0%, #0f172a 40%, #123c69 100%);
  padding: 40px 16px;
}

/* Orb 1 — large blue, top-right */
.portal-login-shell::before {
  content: "";
  position: absolute;
  width: 560px; height: 560px;
  top: -120px; right: -80px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37,99,235,0.45) 0%, rgba(30,64,175,0.20) 50%, transparent 70%);
  filter: blur(72px);
  pointer-events: none;
  will-change: transform;
  animation: pa-orb-drift-1 18s ease-in-out infinite;
}

/* Orb 2 — large purple, bottom-left */
.portal-login-shell::after {
  content: "";
  position: absolute;
  width: 480px; height: 480px;
  bottom: -60px; left: -60px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124,58,237,0.38) 0%, rgba(109,40,217,0.15) 50%, transparent 70%);
  filter: blur(72px);
  pointer-events: none;
  will-change: transform;
  animation: pa-orb-drift-2 22s ease-in-out infinite;
}

/* Orbs 3 & 4 via explicit span elements in login.php */
.portal-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  will-change: transform;
}

.portal-orb--c {
  width: 320px; height: 320px;
  top: 55%; right: 15%;
  background: radial-gradient(circle, rgba(16,185,129,0.28) 0%, transparent 65%);
  animation: pa-orb-drift-3 26s ease-in-out infinite;
}

.portal-orb--d {
  width: 260px; height: 260px;
  top: 8%; left: 20%;
  background: radial-gradient(circle, rgba(245,158,11,0.22) 0%, transparent 65%);
  animation: pa-orb-drift-4 20s ease-in-out infinite;
}

/* Particle dot-grid overlay */
.portal-login-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle, rgba(255,255,255,0.55) 1px, transparent 1px),
    radial-gradient(circle, rgba(255,255,255,0.35) 1px, transparent 1px);
  background-size: 48px 48px, 96px 96px;
  background-position: 0 0, 24px 24px;
  animation: pa-particle-shimmer 6s ease-in-out infinite;
  opacity: 0.12;
}

/* Glassmorphism card */
.portal-login-card {
  width: min(980px, 100%);
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  border-radius: var(--r-xl);
  overflow: hidden;
  position: relative;
  z-index: 2;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.16);
  box-shadow:
    0 32px 80px rgba(0,0,0,0.55),
    inset 0 1px 0 rgba(255,255,255,0.15),
    inset 0 -1px 0 rgba(0,0,0,0.20);
  backdrop-filter: blur(24px) saturate(1.6);
  -webkit-backdrop-filter: blur(24px) saturate(1.6);
  animation: pa-card-rise 0.70s cubic-bezier(0.22, 1, 0.36, 1) 0.10s both;
}

/* Brand panel */
.portal-login-panel--brand {
  background: linear-gradient(
    150deg,
    rgba(5,13,26,0.92)   0%,
    rgba(15,23,42,0.88)  35%,
    rgba(18,60,105,0.80) 68%,
    rgba(37,99,235,0.72) 100%
  ) !important;
  border-right: 1px solid rgba(255,255,255,0.10);
  position: relative;
  overflow: hidden;
}

.portal-login-panel--brand::before {
  content: "";
  position: absolute;
  top: -80px; right: -80px;
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(37,99,235,0.35) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
}

.portal-login-panel--brand h1 {
  animation: pa-text-reveal 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.35s both;
}

.portal-pill {
  background: rgba(255,255,255,0.15) !important;
  border: 1px solid rgba(255,255,255,0.25) !important;
  animation: pa-fade-in 0.5s ease-out 0.50s both;
}

/* Form panel — frosted white */
.portal-login-panel--form {
  background: rgba(255,255,255,0.95) !important;
}

.portal-login-panel--form h2 {
  animation: pa-field-slide-in 0.40s cubic-bezier(0.22,1,0.36,1) 0.20s both;
}

.portal-login-panel--form .form-group:nth-child(1) { animation: pa-field-slide-in 0.40s cubic-bezier(0.22,1,0.36,1) 0.30s both; }
.portal-login-panel--form .form-group:nth-child(2) { animation: pa-field-slide-in 0.40s cubic-bezier(0.22,1,0.36,1) 0.36s both; }
.portal-login-panel--form .form-group:nth-child(3) { animation: pa-field-slide-in 0.40s cubic-bezier(0.22,1,0.36,1) 0.42s both; }
.portal-login-panel--form .form-group:nth-child(4) { animation: pa-field-slide-in 0.40s cubic-bezier(0.22,1,0.36,1) 0.48s both; }
.portal-login-panel--form .form-group:nth-child(5) { animation: pa-field-slide-in 0.40s cubic-bezier(0.22,1,0.36,1) 0.54s both; }
.portal-login-panel--form .form-group:nth-child(6) { animation: pa-field-slide-in 0.40s cubic-bezier(0.22,1,0.36,1) 0.60s both; }

/* Form inputs */
.portal-login-card .form-control {
  border-radius: var(--r-md) !important;
  border: 1.5px solid var(--clr-border) !important;
  transition: var(--trans-base) !important;
  background: rgba(249,250,251,0.95);
  box-shadow: none !important;
  font-size: 14px;
}

.portal-login-card .form-control:focus {
  border-color: var(--clr-blue-600) !important;
  background: #fff !important;
  box-shadow: var(--shadow-glow-blue) !important;
  outline: none;
}

/* Login button */
.portal-login-panel--form .btn-primary,
#login-button {
  background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 100%) !important;
  border: 0 !important;
  border-radius: var(--r-md) !important;
  font-weight: 700 !important;
  font-size: 15px !important;
  letter-spacing: 0.02em;
  padding: 12px 24px !important;
  transition: var(--trans-fast) !important;
  animation: pa-btn-glow 2.8s ease-in-out 1.2s infinite;
}

.portal-login-panel--form .btn-primary:hover,
#login-button:hover {
  transform: translateY(-2px) scale(1.015);
  box-shadow: 0 8px 28px rgba(37,99,235,0.55) !important;
  background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%) !important;
  animation: none;
}

.portal-login-panel--form .btn-primary:active,
#login-button:active {
  transform: translateY(0) scale(0.985);
}

/* CAPTCHA image */
.portal-login-card .captcha img,
.portal-login-card img[id*="captcha"] {
  border-radius: var(--r-sm);
  border: 1px solid var(--clr-border);
  cursor: pointer;
  transition: var(--trans-fast);
}

.portal-login-card .captcha img:hover,
.portal-login-card img[id*="captcha"]:hover {
  border-color: var(--clr-blue-600);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.14);
}

/* ── 6. Dashboard card grid ────────────────────────── */
.portal-menu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 18px;
  margin-top: 8px;
}

.portal-menu-card {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  cursor: pointer;
  text-decoration: none !important;
  color: var(--clr-navy-900) !important;
  box-shadow: var(--shadow-card);
  transition:
    transform    0.22s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow   0.22s cubic-bezier(0.22, 1, 0.36, 1),
    border-color 0.22s ease;
  animation: pa-card-pop 0.50s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.portal-menu-card:hover,
.portal-menu-card:focus {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  text-decoration: none !important;
  outline: none;
}

.portal-menu-card:active {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

/* Stagger card pop-in */
.portal-menu-card:nth-child(1)  { animation-delay: 0.06s; }
.portal-menu-card:nth-child(2)  { animation-delay: 0.12s; }
.portal-menu-card:nth-child(3)  { animation-delay: 0.18s; }
.portal-menu-card:nth-child(4)  { animation-delay: 0.24s; }
.portal-menu-card:nth-child(5)  { animation-delay: 0.30s; }
.portal-menu-card:nth-child(6)  { animation-delay: 0.36s; }
.portal-menu-card:nth-child(7)  { animation-delay: 0.42s; }
.portal-menu-card:nth-child(8)  { animation-delay: 0.48s; }
.portal-menu-card:nth-child(9)  { animation-delay: 0.54s; }
.portal-menu-card:nth-child(10) { animation-delay: 0.60s; }
.portal-menu-card:nth-child(11) { animation-delay: 0.66s; }
.portal-menu-card:nth-child(12) { animation-delay: 0.72s; }
.portal-menu-card:nth-child(13) { animation-delay: 0.78s; }

/* Icon gradient band */
.portal-menu-card__icon {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px 20px;
  background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 60%, #3b82f6 100%);
  position: relative;
}

.portal-menu-card__icon::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 60%);
  pointer-events: none;
}

.portal-menu-card__icon img {
  width: 52px;
  height: 52px;
  object-fit: contain;
  filter: drop-shadow(0 3px 8px rgba(0,0,0,0.28)) brightness(1.05);
  position: relative;
  z-index: 1;
}

.portal-menu-card__label {
  padding: 14px 16px 16px;
  text-align: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--clr-navy-900);
  line-height: 1.35;
  letter-spacing: -0.01em;
}

/* Role-specific icon band colours */
.portal-menu-card--student .portal-menu-card__icon {
  background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 60%, #3b82f6 100%);
}
.portal-menu-card--admin .portal-menu-card__icon {
  background: linear-gradient(135deg, #ede9fe 0%, #ddd6fe 55%, #c4b5fd 100%);
}
.portal-menu-card--coord .portal-menu-card__icon {
  background: linear-gradient(135deg, #dff7f4 0%, #c7f2ec 55%, #99e7dc 100%);
}
.portal-menu-card--lecturer .portal-menu-card__icon {
  background: linear-gradient(135deg, #fff1df 0%, #ffe3bf 55%, #ffd08d 100%);
}

/* Role hover border glow */
.portal-menu-card--student:hover  { border-color: #3b82f6; box-shadow: var(--shadow-hover), 0 0 0 1px #3b82f6; }
.portal-menu-card--admin:hover    { border-color: #8b5cf6; box-shadow: var(--shadow-hover), 0 0 0 1px #8b5cf6; }
.portal-menu-card--coord:hover    { border-color: #14b8a6; box-shadow: var(--shadow-hover), 0 0 0 1px #14b8a6; }
.portal-menu-card--lecturer:hover { border-color: #d97706; box-shadow: var(--shadow-hover), 0 0 0 1px #d97706; }

/* ── 7. Global buttons ─────────────────────────────── */
.btn {
  transition: var(--trans-fast) !important;
  border-radius: var(--r-sm) !important;
}

.btn:hover  { transform: translateY(-1px); }
.btn:active { transform: translateY(0) scale(0.97); }

.btn-primary {
  background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 100%) !important;
  border: 0 !important;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(37,99,235,0.30);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%) !important;
  box-shadow: 0 4px 16px rgba(37,99,235,0.45) !important;
}

.btn-default {
  border-color: var(--clr-border) !important;
  color: var(--clr-navy-900) !important;
  background: var(--clr-surface) !important;
}

.btn-default:hover {
  background: var(--clr-blue-50) !important;
  border-color: var(--clr-blue-500) !important;
  color: var(--clr-blue-600) !important;
}

/* ── 8. Tables ─────────────────────────────────────── */
.portal-table-card .table-hover > tbody > tr:hover {
  background: linear-gradient(90deg, var(--clr-blue-50) 0%, rgba(239,246,255,0.6) 100%) !important;
  cursor: pointer;
}

.grid-view th a {
  color: var(--clr-navy-900);
  font-weight: 700;
  transition: var(--trans-fast);
}

.grid-view th a:hover {
  color: var(--clr-blue-600);
  text-decoration: none;
}

/* ── 9. Page entrance ──────────────────────────────── */
.wrap > .container {
  animation: pa-fade-in-up 0.55s cubic-bezier(0.22, 1, 0.36, 1) 0.05s both;
}

/* ── 10. Portal hero ───────────────────────────────── */
.portal-hero {
  background: linear-gradient(135deg, #0d2b52 0%, #123c69 30%, #1d4ed8 70%, #2563eb 100%) !important;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.14), 0 16px 40px rgba(15,23,42,0.22) !important;
  animation: pa-fade-in-up 0.50s cubic-bezier(0.22,1,0.36,1) 0.10s both;
}

.portal-hero h1, .portal-hero h2 {
  animation: pa-text-reveal 0.70s cubic-bezier(0.22,1,0.36,1) 0.25s both;
}

/* ── 11. Form inputs (global) ──────────────────────── */
.portal-form-grid .form-control,
.portal-panel .form-control,
.portal-card .form-control {
  transition: var(--trans-base) !important;
  border: 1.5px solid var(--clr-border) !important;
  border-radius: var(--r-md) !important;
  box-shadow: none !important;
}

.portal-form-grid .form-control:focus,
.portal-panel .form-control:focus,
.portal-card .form-control:focus {
  border-color: var(--clr-blue-600) !important;
  box-shadow: var(--shadow-glow-blue) !important;
  outline: none;
}

/* ── 12. Responsive additions ──────────────────────── */
@media (max-width: 900px) {
  .portal-login-card {
    grid-template-columns: 1fr !important;
  }
  .portal-login-panel--brand {
    border-right: 0;
    border-bottom: 1px solid rgba(255,255,255,0.10);
  }
  .portal-menu-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 14px;
  }
  .portal-menu-card__icon { padding: 18px 12px 14px; }
  .portal-menu-card__icon img { width: 40px; height: 40px; }
}

@media (max-width: 600px) {
  .portal-menu-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .portal-login-shell { padding: 20px 10px; }
}

/* =====================================================
   PERFORMANCE OPTIMIZATIONS (v4)
   GPU promotion, paint containment, repaint isolation
   ===================================================== */

/* ── Contain & isolate full-bleed animation containers ── */
.portal-login-shell,
.about-hero,
.about-page {
  isolation: isolate;
  contain: layout style paint;
}

/* ── GPU-promote every animated element ──────────────── */
/* Promotes to compositor layer → no main-thread repaints */
.portal-login-shell::before,
.portal-login-shell::after,
.portal-orb,
.portal-orb--c,
.portal-orb--d,
.portal-login-particles,
.about-hero__orb,
.about-hero__orb--1,
.about-hero__orb--2,
.about-hero__orb--3,
.about-hero__orb--4,
.about-hero__aurora,
.about-hero__scan,
.about-blob,
.about-logo-ring,
.portal-menu-card,
.navbar-inverse::after {
  transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0);
  backface-visibility: hidden;
  perspective: 1000px;
}

/* ── Extreme Blur Reduction for Smooth Scrolling ─────────── */
/* Blur is the #1 killer of FPS on low-end devices.          */
/* We reduce it further or use opacity-only where possible.  */
.portal-login-shell::before,
.portal-login-shell::after { filter: blur(35px); }
.portal-orb               { filter: blur(35px); }
.about-hero__orb          { filter: blur(35px); }

/* Backdrop-filter optimization: disable on mobile for perf */
@media (max-width: 900px) {
  .portal-login-card {
    backdrop-filter: none !important;
    background: rgba(255,255,255,0.95) !important;
  }
}

/* ── Stop shimmer on particles (High paint area cost) ───── */
.portal-login-particles { 
  animation: none !important; 
  opacity: 0.08 !important; 
  will-change: auto;
}

/* ── Dashboard cards: minimize will-change footprint ────── */
.portal-menu-grid {
  contain: layout style;
}

.portal-menu-card {
  contain: paint layout style;
  transition: transform 0.2s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.2s ease !important;
}

/* Disable expensive shadow transitions on mobile */
@media (max-width: 600px) {
  .portal-menu-card {
    transition: transform 0.2s ease !important;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05) !important;
  }
  .portal-menu-card:hover {
    box-shadow: 0 4px 10px rgba(0,0,0,0.05) !important;
  }
}

/* ── Buttons: optimized transforms ───────────────────── */
.btn {
  will-change: transform;
  transition: transform 0.15s cubic-bezier(0.22, 1, 0.36, 1) !important;
}

/* ── Reduce navbar shimmer repaint frequency ─────────── */
.navbar-inverse::after {
  contain: strict;
  animation-duration: 5s !important; /* Slower = fewer paint steps */
}

/* ── Disable animations if user prefers reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  *, ::before, ::after {
    animation-delay: -1ms !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    background-attachment: initial !important;
    scroll-behavior: auto !important;
    transition-duration: 0s !important;
    transition-delay: 0s !important;
  }
}

/* ── Image rendering optimization ─────────────────────── */
.portal-menu-card__icon img,
.about-logo-ring img {
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}

/* ── Scrollbar styling (prevent layout shift) ─────────── */
html {
  scrollbar-width: thin;
  scrollbar-color: rgba(37,99,235,0.4) transparent;
}

::-webkit-scrollbar       { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(37,99,235,0.35); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(37,99,235,0.60); }

/* ── Dashboard card hint text ────────────────────── */
.portal-menu-card__hint {
    font-size: 11px;
    color: var(--clr-muted);
    margin-top: 3px;
    font-weight: 500;
    letter-spacing: 0.01em;
}

/* ── Table empty state ───────────────────────────── */
.portal-table-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--clr-muted);
    font-size: 14px;
}

.portal-table-empty::before {
    content: '-';
    display: block;
    font-size: 24px;
    margin-bottom: 8px;
    opacity: 0.3;
}

/* ── Sticky table header ─────────────────────────── */
.portal-table-card .table > thead > tr > th {
    position: sticky;
    top: 0;
    z-index: 1;
}

/* ── Page hero title size fix ────────────────────── */
.portal-hero h1 {
    font-size: clamp(22px, 3vw, 30px);
}

/* ── Role pill variants ───────────────────────────── */
.portal-pill--student {
    background: #1d4ed8;
    color: #fff;
}

.portal-pill--lecturer {
    background: #2563eb;
    color: #fff;
}

.portal-pill--coord {
    background: #047857;
    color: #fff;
}

/* ── 13. Quick Stats Grid (New in v3) ──────────────── */
.portal-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.portal-stat-card {
    background: #fff;
    border: 1.5px solid var(--clr-border);
    border-radius: var(--r-lg);
    padding: 18px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.04);
    transition: var(--trans-fast);
}

.portal-stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--clr-blue-500);
    box-shadow: var(--shadow-card);
}

.portal-stat-card__icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    background: var(--clr-blue-50);
    color: var(--clr-blue-600);
}

.portal-stat-card__data {
    display: flex;
    flex-direction: column;
}

.portal-stat-card__value {
    font-size: 22px;
    font-weight: 800;
    color: var(--clr-navy-900);
    line-height: 1;
}

.portal-stat-card__label {
    font-size: 12px;
    font-weight: 600;
    color: var(--clr-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-top: 4px;
}

/* ── 14. Refined Form Inputs ──────────────────────── */
.form-control {
    height: auto !important;
    padding: 10px 14px !important;
    border: 1.5px solid #d1d9e6 !important;
    border-radius: var(--r-md) !important;
    font-size: 14px !important;
    transition: all 0.2s ease !important;
}

.form-control:focus {
    border-color: var(--clr-blue-600) !important;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12) !important;
    background-color: #fff !important;
}

.has-success .form-control { border-color: #15803d !important; }
.has-error .form-control { border-color: #dc2626 !important; }

/* ── 15. Status Pills for Users ───────────────────── */
.portal-user-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 99px;
    font-size: 12px;
    font-weight: 700;
    background: #f1f5f9;
    color: #475569;
    border: 1px solid #e2e8f0;
}

.portal-user-badge--admin    { background: #f5f3ff; color: #7c3aed; border-color: #ddd6fe; }
.portal-user-badge--coord    { background: #f0fdf4; color: #166534; border-color: #bbf7d0; }
.portal-user-badge--lecturer { background: #fffbeb; color: #92400e; border-color: #fef3c7; }
.portal-user-badge--student  { background: #eff6ff; color: #1e40af; border-color: #dbeafe; }