/*
 * styles.css — padikkunnundo.app design system
 *
 * Design tokens provided by the author (matches PYQPortal ecosystem).
 * Font: Plus Jakarta Sans (Google Fonts)
 * Color usage follows Section 8.2 (functional, not decorative).
 */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

/* ── Design Tokens ───────────────────────────────────────────────────────── */
:root {
  /* Primary Colors */
  --primary-blue:   #3B82F6;
  --primary-purple: #8B5CF6;
  --primary-dark:   #0F172A;

  /* Accent Colors */
  --accent-cyan:   #0EA5E9;
  --accent-green:  #22C55E;
  --accent-orange: #F59E0B;
  --accent-red:    #EF4444;

  /* Neutral Colors */
  --gray-50:  #F8FAFC;
  --gray-100: #EEF2FF;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1E293B;
  --gray-900: #0F172A;

  /* Semantic */
  --bg-primary:   #FFFFFF;
  --bg-secondary: #F7F9FC;
  --surface-muted: #EEF5FF;
  --text-primary:   #0F172A;
  --text-secondary: #64748B;
  --border-color: #E2E8F0;

  /* Shadows */
  --shadow-xs: 0 1px 2px 0 rgba(0,0,0,.05);
  --shadow-sm: 0 1px 3px 0 rgba(0,0,0,.1), 0 1px 2px 0 rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,.1), 0 10px 10px -5px rgba(0,0,0,.04);

  /* Spacing */
  --spacing-xs:  .25rem;
  --spacing-sm:  .5rem;
  --spacing-md:  1rem;
  --spacing-lg:  1.5rem;
  --spacing-xl:  2rem;
  --spacing-2xl: 3rem;

  /* Border Radius */
  --radius-sm: .375rem;
  --radius-md: .5rem;
  --radius-lg: .75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.25rem;

  /* Functional status colours (Section 3.5) */
  --color-green:      #10B981;
  --color-green-bg:   #D1FAE5;
  --color-yellow:     #F59E0B;
  --color-yellow-bg:  #FEF3C7;
  --color-red:        #EF4444;
  --color-red-bg:     #FEE2E2;
  --color-grey:       #6B7280;
  --color-grey-bg:    #F3F4F6;

  --sidebar-width: 240px;
  --transition: 150ms ease;
}

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

html, body { height: 100%; }

html { font-size: 16px; }

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text-primary);
  background:
    radial-gradient(circle at top, rgba(59, 130, 246, 0.06), transparent 18%),
    var(--bg-secondary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }

button, input, select, textarea {
  appearance: none;
  -webkit-appearance: none;
}

/* ── App layout ──────────────────────────────────────────────────────────── */
.app-layout {
  display: flex;
  min-height: 100vh;
  width: 100%;
  padding: 0;
  gap: 0;
  align-items: stretch;
}

/* ── Sidebar ─────────────────────────────────────────────────────────────── */
.sidebar {
  width: 280px;
  background: linear-gradient(180deg, #0F172A 0%, #1E1B4B 100%);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  bottom: 0;
  align-self: stretch;
  height: 100vh;
  min-height: 100vh;
  max-height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 100;
  flex: 0 0 280px;
  border-radius: 0;
  box-shadow: inset -1px 0 0 rgba(255, 255, 255, 0.05);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  contain: paint layout;
}

.sidebar-brand {
  padding: 18px 18px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255,255,255,.1);
  margin-bottom: 10px;
}

.sidebar-brand-icon {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.sidebar-brand-text {}
.sidebar-brand-name {
  font-size: 16px;
  font-weight: 800;
  color: #fff;
  letter-spacing: .3px;
  line-height: 1.2;
}
.sidebar-brand-tagline {
  font-size: 12px;
  color: rgba(255,255,255,.58);
  font-weight: 600;
}

.sidebar-nav {
  flex: 1;
  padding: 0 10px 14px;
}

.sidebar-section-label {
  font-size: 11px;
  font-weight: 700;
  color: rgba(255,255,255,.38);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  padding: 16px 12px 8px;
}

.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 13px;
  color: rgba(255,255,255,.76);
  font-size: 15px;
  font-weight: 600;
  border-radius: 14px;
  margin-bottom: 3px;
  transition: background var(--transition), color var(--transition);
}

.sidebar-nav-item:hover {
  background: rgba(255,255,255,.1);
  color: #fff;
}

.sidebar-nav-item.active {
  background: rgba(255,255,255,.18);
  color: #fff;
  font-weight: 600;
}

.sidebar-nav-item .nav-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  opacity: .9;
}
.sidebar-nav-item.active .nav-icon { opacity: 1; }

/* Mobile close button for sidebar */
.sidebar-close-btn {
  display: none;
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border: none;
  background: rgba(255,255,255,.1);
  border-radius: 50%;
  color: #fff;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: background var(--transition);
}
.sidebar-close-btn:hover {
  background: rgba(255,255,255,.2);
}

/* Mobile hamburger menu button */
.mobile-menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  color: var(--gray-600);
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  flex-shrink: 0;
}
.mobile-menu-btn:hover {
  background: var(--gray-100);
  color: var(--text-primary);
}

/* Mobile user info in topbar */
.topbar-mobile-user {
  display: none;
  align-items: center;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

.topbar-mobile-user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(120deg, #0F172A 0%, #1E1B4B 52%, #7C3AED 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
  text-transform: uppercase;
}

.topbar-mobile-user-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar-mobile-user-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar-mobile-user-sub {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.2;
}

.sidebar-nav-item.external::after {
  content: '↗';
  margin-left: auto;
  font-size: 11px;
  opacity: .45;
}

.sidebar-divider {
  border: none;
  border-top: 1px solid rgba(255,255,255,.1);
  margin: var(--spacing-sm) var(--spacing-sm);
}

/* Sidebar user at bottom */
.sidebar-user {
  padding: 14px 16px 18px;
  border-top: 1px solid rgba(255,255,255,.1);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
}

.sidebar-user-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
  text-transform: uppercase;
}

.sidebar-user-info { flex: 1; min-width: 0; }
.sidebar-user-name {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-user-sem {
  font-size: 12px;
  color: rgba(255,255,255,.58);
  margin-top: 1px;
}

.sidebar-logout {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  color: rgba(255,255,255,.6);
  transition: background var(--transition), color var(--transition);
  flex-shrink: 0;
}
.sidebar-logout:hover { background: rgba(255,255,255,.1); color: #fff; }

/* ── Main content ────────────────────────────────────────────────────────── */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background:
    linear-gradient(180deg, #F8FAFC 0%, #F7F9FC 100%);
  min-width: 0;
}

/* ── Topbar ──────────────────────────────────────────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 26px;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-left: auto;
  flex-shrink: 0;
}

.topbar-desktop-user {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.topbar-spacer { flex: 1; }

.topbar-actions { display: flex; align-items: center; gap: var(--spacing-sm); }

.bell-btn {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
  border: 1.5px solid var(--border-color);
  color: var(--gray-600);
  transition: all var(--transition);
  position: relative;
}
.bell-btn:hover {
  background: var(--gray-50);
  border-color: var(--gray-300);
  color: var(--text-primary);
}

.bell-badge {
  position: absolute;
  top: 6px; right: 6px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent-red);
  border: 2px solid #fff;
}

.topbar-user {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 5px 10px 5px 5px;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-xl);
  background: var(--bg-primary);
  cursor: pointer;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.topbar-user:hover {
  border-color: var(--gray-300);
  background: var(--gray-50);
  box-shadow: var(--shadow-sm);
}

.topbar-user-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(120deg, #0F172A 0%, #1E1B4B 52%, #7C3AED 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
  text-transform: uppercase;
}

.topbar-user-text {}
.topbar-user-name { font-size: 14px; font-weight: 600; color: var(--text-primary); }
.topbar-user-sub  { font-size: 12px; color: var(--text-secondary); }

/* ── Page content ────────────────────────────────────────────────────────── */
.page-content {
  padding: 22px 26px 36px;
  flex: 1;
}

/* ── Welcome banner (Section 7.1) ────────────────────────────────────────── */
.welcome-banner {
  background:
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.08), transparent 18%),
    linear-gradient(120deg, #0F172A 0%, #1E1B4B 52%, #7C3AED 100%);
  border-radius: 24px;
  padding: 28px 32px;
  margin-bottom: var(--spacing-xl);
  position: relative;
  overflow: visible;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 210px;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
}

.dashboard-welcome {
  padding: clamp(1.75rem, 3vw, 2.5rem) clamp(1.5rem, 3vw, 2rem);
  gap: 1.5rem;
}

/* Decorative circles */
.welcome-banner::before {
  content: '';
  position: absolute;
  width: 260px; height: 260px;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
  top: -80px; right: 120px;
  pointer-events: none;
}
.welcome-banner::after {
  content: '';
  position: absolute;
  width: 180px; height: 180px;
  border-radius: 50%;
  background: rgba(255,255,255,.05);
  bottom: -60px; right: 60px;
  pointer-events: none;
}

.welcome-banner-content { position: relative; z-index: 1; }

.welcome-banner-date {
  font-size: 11.5px;
  color: rgba(255,255,255,.6);
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
  letter-spacing: .3px;
}

.welcome-banner-heading {
  font-size: clamp(2.1rem, 3.1vw, 3.2rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  margin-bottom: .35rem;
  letter-spacing: -0.03em;
}

.welcome-banner-sub {
  font-size: 14px;
  color: rgba(255,255,255,.78);
  font-weight: 500;
}

.welcome-banner-illustration {
  position: absolute;
  right: 20px;
  bottom: -30px;
  z-index: 1;
}

.student-photo-bubble {
  width: 270px;
  height: 270px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
}

.student-photo-bubble img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  margin-top: 50px;
  filter: drop-shadow(0 15px 10px rgba(0,0,0,0.5));
}

/* ── Dashboard two-column layout ─────────────────────────────────────────── */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1.5fr 320px;
  gap: 24px;
  align-items: start;
}

.dashboard-left {}
.dashboard-right {}

/* ── Section heading ─────────────────────────────────────────────────────── */
.section-heading {
  font-size: clamp(22px, 2vw, 28px);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.section-heading-link {
  font-size: 12px;
  font-weight: 600;
  color: var(--primary-blue);
  transition: opacity var(--transition);
}
.section-heading-link:hover { opacity: .75; }

/* ── Stat cards (Section 7.1 — three summary cards) ─────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 24px;
}

.stat-card {
  background: linear-gradient(180deg, #fff 0%, #f9fbff 100%);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
  cursor: default;
  min-height: 96px;
}

.stat-card:hover {
  box-shadow: 0 16px 32px rgba(15, 23, 42, 0.08);
  border-color: var(--gray-200);
  transform: translateY(-2px);
}

.stat-card-icon {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.stat-card-icon.blue   { background: #EFF6FF; color: var(--primary-blue); }
.stat-card-icon.purple { background: #F5F3FF; color: var(--primary-purple); }
.stat-card-icon.green  { background: #ECFDF5; color: var(--accent-green); }

.stat-card-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}
.stat-card-value {
  font-size: 30px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}
.stat-card-label {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
  margin-top: 3px;
}

/* ── Subject / course cards ──────────────────────────────────────────────── */
.subjects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.subject-card {
  background: linear-gradient(180deg, #fff 0%, #f9fbff 100%);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 18px;
  min-height: 96px;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}

.subject-card:hover {
  box-shadow: 0 16px 30px rgba(15, 23, 42, 0.1);
  border-color: var(--primary-blue);
  transform: translateY(-2px);
}

.subject-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.subject-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
}

.subject-details {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.subject-details span {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  background: var(--gray-100);
  border-radius: 20px;
  padding: 3px 8px;
}

.subject-components {
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.credit-badge {
  font-size: 11px;
  font-weight: 700;
  color: var(--primary-purple);
  background: #F5F3FF;
  border-radius: 20px;
  padding: 3px 10px;
  white-space: nowrap;
  flex-shrink: 0;
}

.subject-progress-label {
  font-size: 12px;
  margin-bottom: 10px;
  background: linear-gradient(120deg, #0F172A 0%, #1E1B4B 52%, #7C3AED 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 700;
}

.progress-bar-track {
  height: 5px;
  background: var(--gray-100);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: var(--spacing-md);
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(120deg, #0F172A 0%, #1E1B4B 52%, #7C3AED 100%);
  border-radius: 3px;
  transition: width .4s ease;
}

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

.subject-card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-blue);
  padding: 6px 10px;
  border: 1.5px solid var(--primary-blue);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.subject-card-link:hover {
  background: linear-gradient(90deg, var(--primary-blue), var(--primary-purple));
  color: #fff;
  box-shadow: 0 8px 16px rgba(59, 130, 246, 0.18);
}

/* ── Platform cards (quick access row) — extra prominent ───────────────── */
.platforms-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.platform-card {
  background: linear-gradient(180deg, #fff 0%, #f9fbff 100%);
  border: 1.5px solid var(--border-color);
  border-radius: 20px;
  padding: 24px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 110px;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
}

.platform-card:hover {
  border-color: var(--primary-purple);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15), 0 18px 36px rgba(15, 23, 42, 0.14);
  transform: translateY(-3px);
}

.platform-card-icon {
  width: 62px;
  height: 62px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}

.platform-card-img {
  width: 32px;
  height: 32px;
  object-fit: contain;
  display: block;
}
.platform-card-icon.pyq           { background: #EFF6FF; }
.platform-card-icon.mcq           { background: #F5F3FF; }
.platform-card-icon.place         { background: #ECFDF5; }
.platform-card-icon.topics        { background: #FFF7ED; }
.platform-card-icon.mark-analyser { background: #FDF2F8; }

.platform-card-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}
.platform-card-name { font-size: 16px; font-weight: 700; color: var(--text-primary); }
.platform-card-desc { font-size: 13px; color: var(--text-secondary); margin-top: 3px; }

.platform-arrow {
  margin-left: auto;
  color: var(--gray-400);
  flex-shrink: 0;
  font-size: 14px;
}

/* ── Notification panel overlay (slide-in from right) ──────────────────── */
.notice-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.4);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s ease, visibility .25s ease;
}
.notice-overlay.open {
  opacity: 1;
  visibility: visible;
}

.notice-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 420px;
  max-width: 100vw;
  height: 100vh;
  background: #fff;
  z-index: 999;
  box-shadow: -8px 0 30px rgba(0,0,0,.12);
  transform: translateX(100%);
  transition: transform .3s cubic-bezier(.22,1,.36,1);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.notice-panel.open {
  transform: translateX(0);
}

.notice-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg) var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}
.notice-panel-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}

.close-btn {
  width: 36px;
  height: 36px;
  border: none;
  background: var(--gray-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-500);
  cursor: pointer;
  transition: background var(--transition);
}
.close-btn:hover {
  background: var(--gray-200);
}

.panel-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border-color);
  padding: 0 var(--spacing-lg);
  flex-shrink: 0;
  background: var(--bg-secondary);
}
.panel-tab {
  padding: 12px 16px;
  border: none;
  background: transparent;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--gray-500);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.panel-tab.active {
  color: var(--primary-blue);
  border-bottom-color: var(--primary-blue);
}
.panel-tab:hover {
  color: var(--text-primary);
}

.panel-content {
  flex: 1;
  padding: var(--spacing-md) var(--spacing-lg);
  overflow-y: auto;
}

.panel-pane {
  display: none;
}
.panel-pane.active {
  display: block;
}

.empty-state {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
}
.empty-state-icon {
  font-size: 32px;
  margin-bottom: var(--spacing-sm);
}
.empty-state-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.empty-state-desc {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ── Focus / notice cards (right column) ────────────────────────────────── */
.notice-card {
  background: linear-gradient(180deg, #fff 0%, #f9fbff 100%);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
  margin-bottom: var(--spacing-md);
}

.notice-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.notice-card-title { font-size: 13.5px; font-weight: 700; color: var(--text-primary); }

.focus-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--gray-50);
  transition: background var(--transition);
}
.focus-item:last-child { border-bottom: none; }
.focus-item:hover { background: var(--gray-50); }

.focus-rank {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 800;
  color: var(--gray-600);
  flex-shrink: 0;
}

.focus-info { flex: 1; min-width: 0; }
.focus-name {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.focus-detail { font-size: 11px; color: var(--text-secondary); margin-top: 1px; }

.focus-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 20px;
  flex-shrink: 0;
}
.focus-badge.status-green  { background: var(--color-green-bg); color: #065F46; }
.focus-badge.status-yellow { background: var(--color-yellow-bg); color: #92400E; }
.focus-badge.status-red,
.focus-badge.status-very_hard { background: var(--color-red-bg); color: #991B1B; }
.focus-badge.status-grey   { background: var(--color-grey-bg); color: var(--gray-600); }

/* ── Grade status colours ────────────────────────────────────────────────── */
.status-green  { --s-bg: var(--color-green-bg);  --s-text: #065F46;  --s-border: #A7F3D0; }
.status-yellow { --s-bg: var(--color-yellow-bg); --s-text: #92400E;  --s-border: #FDE68A; }
.status-red    { --s-bg: var(--color-red-bg);    --s-text: #991B1B;  --s-border: #FECACA; }
.status-grey   { --s-bg: var(--color-grey-bg);   --s-text: var(--gray-600); --s-border: var(--gray-200); }

.grade-banner {
  border-radius: var(--radius-xl);
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  background: var(--s-bg);
  border: 1.5px solid var(--s-border);
}

.grade-banner-main { font-size: 14px; font-weight: 700; color: var(--text-primary); }
.grade-banner-sub  { font-size: 12px; color: var(--s-text); margin-top: 2px; }

.grade-pills { display: flex; flex-wrap: wrap; gap: var(--spacing-xs); }

.grade-pill {
  font-size: 11.5px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
}
.grade-pill.status-green  { background: var(--color-green-bg); color: #065F46; }
.grade-pill.status-yellow { background: var(--color-yellow-bg); color: #92400E; }
.grade-pill.status-red,
.grade-pill.status-very_hard { background: var(--color-red-bg); color: #991B1B; }
.grade-pill.status-grey   { background: var(--color-grey-bg); color: var(--gray-600); }

/* ── Marks page ──────────────────────────────────────────────────────────── */
.marks-list { display: flex; flex-direction: column; gap: var(--spacing-xl); }

.marks-card {
  background: var(--bg-primary);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
}

.marks-card-header {
  padding: var(--spacing-lg) var(--spacing-xl);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(90deg, #fafbff, #f8f6ff);
}

.marks-card-title { font-size: 19px; font-weight: 700; color: var(--text-primary); }
.marks-card-body  { padding: var(--spacing-xl); }

.mark-inputs-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.mark-input-group { display: flex; flex-direction: column; gap: 6px; }

.mark-input-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: .6px;
}
.mark-input-max { font-size: 12px; color: var(--gray-400); font-weight: 400; }

.mark-input {
  width: 100%;
  padding: 10px var(--spacing-sm);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  background: var(--bg-secondary);
  transition: border-color var(--transition), box-shadow var(--transition);
  text-align: center;
}
.mark-input:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(37,99,235,.1);
  background: #fff;
}
.mark-input.is-invalid {
  border-color: var(--accent-red);
  animation: shake .3s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

.mark-secured-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--border-color);
  margin-bottom: var(--spacing-md);
}
.mark-secured-label { font-size: 14px; color: var(--text-secondary); font-weight: 500; }
.mark-secured-value { font-size: 17px; font-weight: 800; color: var(--text-primary); }

.pyq-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-blue);
  margin-top: var(--spacing-md);
  transition: opacity var(--transition);
}
.pyq-link:hover { opacity: .7; }

/* ── Calculator page ─────────────────────────────────────────────────────── */
.calculator-page { max-width: 640px; }

.calc-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}

.calc-left {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.calc-right-desktop {
  display: flex;
  align-items: stretch;
  justify-content: center;
  position: sticky;
  top: 90px;
  height: 100%;
}

.calc-hero-img {
  width: 100%;
  max-width: 430px;
  height: auto;
  object-fit: contain;
  display: block;
}

.calc-mobile-image {
  display: none;
}

@media (max-width: 860px) {
  .calc-layout {
    grid-template-columns: 1fr;
  }
  .calc-right-desktop {
    display: none;
  }
  .calc-formula-desktop {
    display: none;
  }
  .calc-mobile-image {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 8px 0;
  }
  .calc-mobile-image img {
    width: 300px;
    height: auto;
    object-fit: contain;
  }
}

.calc-card {
  background: var(--bg-primary);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  margin-bottom: var(--spacing-xl);
}
.calc-card-header {
  padding: var(--spacing-lg) var(--spacing-xl);
  border-bottom: 1px solid var(--border-color);
  background: linear-gradient(90deg, #fafbff, #f8f6ff);
}
.calc-card-title { font-size: 15px; font-weight: 700; color: var(--text-primary); }
.calc-card-sub   { font-size: 11.5px; color: var(--text-secondary); margin-top: 2px; }
.calc-card-body  { padding: var(--spacing-xl); }

.calc-select {
  width: 100%;
  padding: 10px var(--spacing-md);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-size: 13.5px;
  color: var(--text-primary);
  background: var(--bg-secondary);
  margin-bottom: var(--spacing-xl);
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  font-family: inherit;
  font-weight: 500;
}
.calc-select:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}

/* ── Onboarding / Login ──────────────────────────────────────────────────── */

/* Sem 5 Professional Electives (checkbox list) */
#pe-section .pe-counter {
  transition: color 150ms ease;
}

#pe-section .pe-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

#pe-section .pe-col {
  display: flex;
  flex-direction: column;
}

#pe-section .pe-specialization {
  font-size: 12px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: .5px;
}

#pe-section .pe-option-list {
  display: flex;
  flex-direction: column;
}

#pe-section .pe-checkbox-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: 0.4rem 0;
  color: var(--text-primary);
  user-select: none;
}

#pe-section .pe-checkbox-item input[type="checkbox"] {
  margin-top: 2px;
}

#pe-section input[type="checkbox"]:disabled {
  opacity: 0.55;
}

@media (min-width: 820px) {
  #pe-section .pe-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.login-page {

  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    linear-gradient(180deg, #F8FAFC 0%, #F7F9FC 100%);
  padding: var(--spacing-xl);
}

.login-shell {
  width: min(1120px, 100%);
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  background: #fff;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 30px 60px rgba(17, 24, 39, 0.14);
}

.login-visual {
  position: relative;
  background:
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.08), transparent 18%),
    linear-gradient(120deg, #0F172A 0%, #1E1B4B 52%, #7C3AED 100%);
  color: #fff;
  padding: 56px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

.login-visual::before,
.login-visual::after {
  content: '';
  position: absolute;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
}
.login-visual::before {
  width: 220px;
  height: 220px;
  right: -50px;
  top: -80px;
}
.login-visual::after {
  width: 140px;
  height: 140px;
  left: -40px;
  bottom: -50px;
}

.login-visual-art {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 455px;
}

.login-visual-art img {
  max-width: 100%;
  max-height: 455px;
  width: auto;
  height: auto;
  object-fit: contain;
}

.login-visual-art .login-image {
  display: block;
  width: min(108%, 455px);
  max-height: 535px;
  object-fit: contain;
  filter: drop-shadow(0 24px 28px rgba(0, 0, 0, 0.22));
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}


.login-visual-stats {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.login-visual-stats div {
  flex: 1;
  min-width: 110px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 0.9rem;
  backdrop-filter: blur(6px);
}

.login-visual-stats strong {
  display: block;
  font-size: 1.2rem;
}

.login-visual-stats span {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.76);
}

.login-panel {
  background: var(--bg-secondary);
  padding: 48px 42px;
  display: flex;
  align-items: center;
}

.login-panel-inner {
  width: 100%;
  max-width: 460px;
  margin: 0 auto;
}

.login-brand {
  display: flex;
  align-items: center;
  margin-bottom: 1.75rem;
}

.login-brand h1 {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-primary);
}

.login-brand p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.auth-tabs {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem;
  background: var(--gray-100);
  border-radius: 999px;
  padding: 0.35rem;
  margin-bottom: 1rem;
  overflow: hidden;
}

.auth-tabs::before {
  content: '';
  position: absolute;
  top: 0.35rem;
  bottom: 0.35rem;
  left: 0.35rem;
  width: calc(50% - 0.35rem);
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
  transform: translateX(0);
  transition: transform 320ms cubic-bezier(.22, 1, .36, 1);
}

.auth-tabs[data-active-panel="register-panel"]::before {
  transform: translateX(calc(100% + 0.35rem));
}

.auth-tab {
  position: relative;
  z-index: 1;
  border: none;
  background: transparent;
  color: var(--gray-500);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 0.75rem 0.9rem;
  border-radius: 999px;
  transition:
    background-color 220ms ease,
    color 220ms ease,
    box-shadow 220ms ease,
    transform 160ms ease;
}

.auth-tab:hover {
  color: var(--text-primary);
}

.auth-tab:active {
  transform: scale(0.97);
}

.auth-tab.active {
  color: var(--text-primary);
}

.auth-panel-frame {
  position: relative;
  height: 312px;
  overflow: hidden;
  margin-bottom: 1rem;
}

.auth-panel {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(18px) scale(0.985);
  transition:
    opacity 260ms ease,
    visibility 260ms ease,
    transform 320ms cubic-bezier(.22, 1, .36, 1);
  will-change: opacity, transform;
}

.auth-panel.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(0) scale(1);
}

.auth-panel-frame[data-active-panel="register-panel"] #login-panel {
  transform: translateX(-18px) scale(0.985);
}

.auth-panel-frame[data-active-panel="login-panel"] #register-panel {
  transform: translateX(18px) scale(0.985);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 0.78rem;
}

.auth-form label {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.9rem;
  color: var(--gray-600);
  font-weight: 600;
}

.auth-form input {
  width: 100%;
  padding: 0.82rem 1rem;
  border: 1.5px solid var(--border-color);
  border-radius: 14px;
  background: #fff;
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.auth-form input:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.08);
}

.auth-submit {
  border: none;
  width: 100%;
  padding: 0.88rem 1rem;
  border-radius: 14px;
  background: var(--primary-dark);
  color: #fff;
  font-size: 0.98rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  transition:
    background-color 180ms ease,
    transform 160ms ease,
    box-shadow 180ms ease;
  box-shadow: 0 10px 18px rgba(15, 23, 42, 0.18);
}

.auth-submit:hover {
  transform: translateY(-1px);
  background: var(--gray-800);
  box-shadow: 0 14px 24px rgba(15, 23, 42, 0.24);
}

.auth-submit:active {
  transform: translateY(1px) scale(0.99);
  box-shadow: 0 7px 14px rgba(15, 23, 42, 0.18);
}

.auth-submit--secondary {
  background: var(--primary-dark);
  margin-top: 0.5rem;
  position: relative;
  z-index: 10;
}

/* Ensure register form button is always visible */
#register-panel .auth-submit {
  display: block;
  margin-top: 0.5rem;
  position: relative;
  z-index: 10;
}

/* Reduce spacing for register form elements */
#register-panel .auth-form {
  gap: 0.5rem;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1rem 0;
  color: var(--gray-400);
  font-size: 0.82rem;
  font-weight: 600;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-color);
}

.google-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.95rem 1rem;
  background: #fff;
  border: 1.5px solid var(--border-color);
  border-radius: 14px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--gray-700);
  transition:
    background-color 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease,
    transform 160ms ease;
  text-decoration: none;
}

.google-btn:hover {
  border-color: var(--gray-300);
  box-shadow: var(--shadow-sm);
  background: var(--gray-50);
}

.google-btn:active {
  transform: scale(0.99);
}

.google-icon { width: 18px; height: 18px; flex-shrink: 0; }

.login-domain-note {
  margin-top: 0.9rem;
  font-size: 0.82rem;
  color: var(--gray-400);
  text-align: center;
}

.login-error {
  margin-bottom: 1rem;
  padding: 0.88rem 0.95rem;
  background: var(--color-red-bg);
  border: 1px solid #fecaca;
  border-radius: 12px;
  font-size: 0.9rem;
  color: #991b1b;
  text-align: left;
}

.login-success {
  margin-bottom: 1rem;
  padding: 0.88rem 0.95rem;
  background: var(--color-green-bg);
  border: 1px solid #a7f3d0;
  border-radius: 12px;
  font-size: 0.9rem;
  color: #065f46;
  text-align: left;
}

.field-note {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-top: 0.15rem;
}

.password-requirements {
  background: var(--gray-50);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 0.75rem 0.9rem;
  margin-top: 0.25rem;
}

.requirements-title {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.password-requirements ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.2rem;
}

.requirement {
  font-size: 0.75rem;
  color: var(--gray-500);
  padding-left: 1.1rem;
  position: relative;
  transition: color var(--transition);
}

.requirement::before {
  content: '○';
  position: absolute;
  left: 0;
  font-weight: 700;
}

.requirement.met {
  color: var(--color-green);
}

.requirement.met::before {
  content: '●';
  color: var(--color-green);
}

.forgot-password-link {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--primary-blue);
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition);
}

.forgot-password-link:hover {
  color: var(--accent-cyan);
  text-decoration: underline;
}

.login-footer {
  margin-top: 0.75rem;
  text-align: center;
}

.form-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.form-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

@media (max-width: 920px) {
  .login-shell {
    grid-template-columns: 1fr;
  }

  .login-visual {
    padding: 42px 28px;
  }

  .login-visual-art {
    min-height: 330px;
  }

  .login-visual-art img {
    width: min(100%, 360px);
    max-height: 390px;
  }

  .login-panel {
    padding: 36px 22px;
  }
}

@media (max-width: 640px) {
  .login-page {
    padding: 0;
    overflow-y: auto;
  }

  .login-shell {
    border-radius: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
  }

  .login-visual {
    padding: 20px 28px 0;
    flex: 0 0 50%;
    justify-content: center;
    overflow: hidden;
  }

  .login-visual-art {
    min-height: 0;
    margin-bottom: 0;
  }

  .login-visual-art img {
  width: min(100%, 280px);
  max-height: 320px;
}

  .login-panel {
    padding: 0 22px 24px;
    flex: 1;
    align-items: flex-start;
    justify-content: center;
  }

  .login-brand {
    flex-direction: column;
    align-items: flex-start;
    margin-top: 10px;
  }

  .auth-panel-frame {
    height: auto;
    overflow: visible;
    margin-bottom: 0.75rem;
  }

  .auth-panel {
    position: static;
    inset: auto;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
    display: none;
  }

  .auth-panel.active {
    display: block;
  }

  .auth-panel-frame[data-active-panel="register-panel"] #login-panel,
  .auth-panel-frame[data-active-panel="login-panel"] #register-panel {
    transform: none;
    display: none;
  }

  .login-visual-stats {
    display: none;
  }

  .auth-tab {
    font-size: 0.88rem;
    padding: 0.65rem 0.6rem;
  }
  .sidebar-brand img,.sidebar-brand-name,.sidebar-brand-tagline {
    margin-left: 19px;
    
  }
}

/* ── Onboarding page (standalone — no sidebar) ──────────────────────────────── */
.onboarding-body {
  background:
    radial-gradient(circle at top, rgba(59, 130, 246, 0.06), transparent 18%),
    var(--bg-secondary);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
}

.onboarding-shell {
  width: min(1060px, 100%);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: stretch;
  height: 520px;
}

.onboarding-form-col {
  display: flex;
  flex-direction: column;
}

.onboarding-card {
  background: var(--bg-primary);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-lg);
  flex: 1;
  height: 100%;
}

.onboarding-heading {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.onboarding-subheading {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
}

.onboarding-visual-col {
  display: flex;
}

.onboarding-visual-placeholder {
  flex: 1;
  border-radius: var(--radius-2xl);
  background:
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.06), transparent 18%),
    linear-gradient(120deg, #0F172A 0%, #1E1B4B 52%, #7C3AED 100%);
  box-shadow: var(--shadow-lg);
  min-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  /* Ready for an image — just add an <img> inside */
}

.onboarding-visual-img {
  max-width: 85%;
  max-height: 85%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}

@media (max-width: 860px) {
  .onboarding-shell {
    grid-template-columns: 1fr 0.8fr;
    height: auto;
    min-height: auto;
  }
  .onboarding-visual-placeholder {
    padding: var(--spacing-md);
  }
  .onboarding-visual-img {
    max-width: 90%;
    max-height: 90%;
  }
  .onboarding-card {
    height: auto;
    min-height: auto;
  }
}

@media (max-width: 640px) {
  .onboarding-shell {
    grid-template-columns: 1fr;
    min-height: auto;
    height: auto;
  }
  .onboarding-visual-col {
    order: -1;
    height: 250px;
  }
  .onboarding-visual-placeholder {
    height: 250px;
    min-height: auto;
  }
  .onboarding-visual-img {
    max-width: 90%;
    max-height: 90%;
  }
  .onboarding-body {
    padding: var(--spacing-md);
    align-items: flex-start;
  }
  /* On mobile, let JS control display */
}

/* ── Form elements ──────────────────────────────────────────────────────────── */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: .6px;
  margin-bottom: var(--spacing-sm);
}

.form-select {
  width: 100%;
  padding: 10px var(--spacing-md);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-size: 13.5px;
  color: var(--text-primary);
  background: var(--bg-secondary);
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-select:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.elective-section {
  margin-bottom: var(--spacing-lg);
}

.elective-note {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: var(--spacing-sm);
  line-height: 1.5;
}

.carryover-notice {
  font-size: 13px;
  color: var(--gray-600);
  background: var(--surface-muted);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md) var(--spacing-lg);
  line-height: 1.6;
}

.carryover-notice strong {
  color: var(--text-primary);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  width: 100%;
  padding: 0.88rem 1rem;
  border: none;
  border-radius: 14px;
  background: var(--primary-dark);
  color: #fff;
  font-size: 0.98rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  font-family: inherit;
  cursor: pointer;
  transition:
    background-color 180ms ease,
    transform 160ms ease,
    box-shadow 180ms ease;
  box-shadow: 0 10px 18px rgba(15, 23, 42, 0.18);
}

.btn-primary:hover {
  transform: translateY(-1px);
  background: var(--gray-800);
  box-shadow: 0 14px 24px rgba(15, 23, 42, 0.24);
}

.btn-primary:active {
  transform: translateY(1px) scale(0.99);
  box-shadow: 0 7px 14px rgba(15, 23, 42, 0.18);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

@media (max-width: 640px) {
  .onboarding-card {
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
  }
  .onboarding-heading {
    font-size: 20px;
  }
  .form-select {
    font-size: 13px;
    padding: 9px var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .onboarding-card {
    padding: var(--spacing-lg);
  }
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .dashboard-grid { grid-template-columns: 1fr; }
  .dashboard-right { display: none; }
  .page-content { padding: 22px; }
  .welcome-banner { padding: 24px; }
}

/* Sidebar overlay for mobile drawer */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.sidebar-overlay.open {
  opacity: 1;
  visibility: visible;
}

@media (max-width: 860px) {
  /* Mobile drawer sidebar - half page width */
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 50vw;
    max-width: 280px;
    height: 100vh;
    z-index: 200;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    border-radius: 0;
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .sidebar-close-btn {
    display: flex;
  }
  .sidebar-brand {
    display: flex;
    padding: 14px 14px 10px;
    gap: 8px;
  }
  .sidebar-brand-icon {
    width: 40px;
    height: 40px;
  }
  .sidebar-brand-icon img {
    width: 36px;
    height: 36px;
  }
  .sidebar-brand-name {
    font-size: 14px;
  }
  .sidebar-brand-tagline {
    font-size: 11px;
  }
  .sidebar-nav {
    padding-top: 10px;
  }
  .sidebar-nav-item {
    font-size: 15px;
    padding: 11px 14px;
  }
  .sidebar-section-label {
    display: block;
    font-size: 10px;
    padding: 12px 12px 6px;
  }

  /* Show mobile elements */
  .mobile-menu-btn {
    display: flex;
    width: 40px;
    height: 40px;
  }
  .mobile-menu-btn svg {
    width: 20px;
    height: 20px;
  }
  .topbar-mobile-user {
    display: flex;
    gap: 8px;
  }
  .topbar-mobile-user-avatar {
    width: 42px;
    height: 42px;
    font-size: 16px;
  }
  .topbar-mobile-user-name {
    font-size: 16px;
  }
  .topbar-mobile-user-sub {
    font-size: 13px;
  }
  /* Hide desktop user in topbar */
  .topbar-user {
    display: none;
  }
  /* Hide desktop-only user container */
  .topbar-desktop-user {
    display: none;
  }

  .topbar {
    padding: 10px 14px;
    gap: 8px;
  }

  .topbar-right {
    gap: 6px;
  }

  .bell-btn {
    width: 34px;
    height: 34px;
  }

  .bell-btn svg {
    width: 14px;
    height: 14px;
  }

  /* Mobile logout button */
  .mobile-logout-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
    border: 1.5px solid var(--border-color);
    color: var(--gray-600);
    transition: all var(--transition);
    flex-shrink: 0;
  }
  .mobile-logout-btn:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
    color: var(--accent-red);
  }

  /* Notification panel half screen on mobile */
  .notice-panel {
    width: 85vw;
    max-width: 320px;
    height: 100dvh;
  }
  .notice-panel-header {
    padding: var(--spacing-md) var(--spacing-md);
  }
  .panel-tabs {
    padding: 0 var(--spacing-md);
  }
  .panel-tab {
    padding: 10px 12px;
    font-size: 11.5px;
  }

  .stats-grid { grid-template-columns: 1fr 1fr; }
  .subjects-grid { grid-template-columns: 1fr; }
  .platforms-grid { grid-template-columns: 1fr 1fr; }
  .mark-inputs-grid { grid-template-columns: repeat(3, 1fr); }
  .welcome-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    min-height: 180px;
    padding: 24px;
  }
  .welcome-banner-content {
    max-width: 70%;
  }
  .welcome-banner-illustration {
    position: absolute;
    right: 0;
    bottom: auto;
    top: -20px;
  }
  .student-photo-bubble {
    width: 80px;
    height: 80px;
  }
  .student-photo-bubble img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: none;
  }
  .marks-card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
  .topics-card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
}

@media (max-width: 640px) {
  body { min-width: 0; }
  .app-layout { width: 100%; }
  .sidebar {
    width: 100%;
    display: flex;
  }
  .sidebar-brand {
    padding: 14px 16px;
  }
  .sidebar-brand-name {
    font-size: 15px;
  }
  .sidebar-brand-tagline {
    font-size: 11px;
  }
  .sidebar-nav {
    padding: 0 10px 10px;
  }
  .sidebar-section-label {
    display: none;
  }
  .topbar {
    flex-wrap: wrap;
    gap: 10px;
    padding: 14px 16px;
  }
  .topbar-actions {
    width: 100%;
    justify-content: space-between;
  }
  .main-content {
    min-height: auto;
  }
  .page-content {
    padding: 16px;
  }
  .welcome-banner {
    padding: 20px;
    min-height: 160px;
  }
  .welcome-banner-content {
    max-width: 70%;
  }
  .welcome-banner-illustration {
    position: absolute;
    bottom: auto;
    top: -20px;
  }
  .student-photo-bubble {
    width: 70px;
    height: 70px;
  }
  .student-photo-bubble img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: none;
  }
  .welcome-banner-heading {
    font-size: 1.9rem;
  }
  .welcome-banner-sub {
    font-size: 13px;
  }
  .section-heading {
    font-size: 17px;
  }
  .stats-grid { grid-template-columns: 1fr; }
  .stat-card {
    min-height: 84px;
    padding: 16px;
  }
  .stat-card-value {
    font-size: 26px;
  }
  .stat-card-label {
    font-size: 12px;
  }
  .stat-card-icon {
    width: 48px;
    height: 48px;
    font-size: 16px;
  }
  .platforms-grid { grid-template-columns: 1fr; }
  .platform-card {
    padding: 14px;
    gap: 12px;
    min-height: 0;
  }
  .platform-card-icon {
    width: 44px;
    height: 44px;
    font-size: 16px;
  }
  .platform-card-name {
    font-size: 15px;
  }
  .platform-card-desc {
    font-size: 13px;
  }
  .mark-inputs-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
  }
  .marks-card-header {
    padding: var(--spacing-md) var(--spacing-lg);
  }
  .marks-card-body {
    padding: var(--spacing-lg);
  }
  .marks-card-title {
    font-size: 16px;
  }
  .marks-card {
    border-radius: var(--radius-xl);
  }
  .credit-badge {
    font-size: 10px;
    padding: 2px 8px;
  }
  .mark-secured-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  .mark-input-label {
    font-size: 10px;
  }
  .mark-input {
    padding: 6px var(--spacing-sm);
    font-size: 13px;
  }
  .grade-banner {
    padding: var(--spacing-sm) var(--spacing-md);
  }
  .grade-banner-main {
    font-size: 13px;
  }
  .grade-pills {
    gap: 4px;
  }
  .grade-pill {
    font-size: 10.5px;
    padding: 3px 8px;
  }
  .calc-card-header,
  .calc-card-body {
    padding: var(--spacing-md) var(--spacing-lg);
  }
  .calc-card-title {
    font-size: 14px;
  }
  .calc-select {
    font-size: 13px;
    padding: 9px var(--spacing-md);
  }
  .calculator-page {
    max-width: 100%;
  }
  .topics-card {
    padding: var(--spacing-md) var(--spacing-lg);
  }
  .topics-subject-name {
    font-size: 16px;
  }
  .topic-list li {
    font-size: 12.5px;
  }
  .onboarding-card {
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
  }
  .onboarding-heading {
    font-size: 20px;
  }
  .form-select, .form-input {
    font-size: 13px;
    padding: 9px var(--spacing-md);
  }
  .focus-item {
    padding: var(--spacing-sm) var(--spacing-md);
    gap: var(--spacing-sm);
  }
  .focus-name {
    white-space: normal;
    word-break: break-word;
  }
  .focus-detail {
    font-size: 10px;
  }
  .focus-badge {
    font-size: 9px;
    padding: 2px 6px;
    white-space: nowrap;
  }
  .panel-content {
    padding: var(--spacing-sm) var(--spacing-md);
    min-height: 0;
  }

  .focus-item {
    align-items: flex-start;
  }

  .focus-info {
    min-width: 0;
  }

  .focus-name {
    line-height: 1.4;
  }

  .focus-detail {
    line-height: 1.4;
    margin-top: 2px;
  }
}

/* ── Sub-640px: stack heading so name goes to line 2, never overflows ── */
@media (max-width: 639px) {
  .welcome-banner-heading {
    display: flex;
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .sidebar {
    display: flex;
  }
  .sidebar-brand {
    padding: 10px 14px;
    gap: 8px;
  }
  .sidebar-brand-icon {
    width: 38px;
    height: 38px;
    font-size: 18px;
  }
  .sidebar-brand-name {
    font-size: 14px;
  }
  .sidebar-nav-item {
    font-size: 13px;
    padding: 9px 10px;
    gap: 8px;
    border-radius: 10px;
  }
  .sidebar-nav-item .nav-icon {
    width: 16px;
    height: 16px;
  }
  .sidebar-user {
    padding: 10px 14px 14px;
    gap: 8px;
  }
  .sidebar-user-avatar {
    width: 34px;
    height: 34px;
    font-size: 12px;
  }
  .sidebar-user-name {
    font-size: 12px;
  }
  .sidebar-user-sem {
    font-size: 10px;
  }
  .topbar {
    padding: 10px 12px;
    gap: 8px;
  }
  .topbar-user {
    padding: 3px 8px 3px 3px;
  }
  .topbar-user-avatar {
    width: 38px;
    height: 38px;
    font-size: 13px;
  }
  .topbar-user-name {
    font-size: 13px;
  }
  .topbar-user-sub {
    font-size: 11px;
  }
  .bell-btn {
    width: 34px;
    height: 34px;
  }
  .bell-btn svg {
    width: 13px;
    height: 13px;
  }
  .page-content {
    padding: 12px;
  }
  .welcome-banner {
    border-radius: 18px;
    padding: 16px;
  }
  .welcome-banner-heading {
    font-size: 1.5rem;
  }
  .welcome-banner-date {
    font-size: 10px;
  }
  .welcome-banner::before,
  .welcome-banner::after {
    display: none;
  }
  .student-photo-bubble {
    width: 145px;
    height: 145px;
  }
  .student-photo-bubble img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter:none;
  }
  .stat-card {
    min-height: 72px;
    padding: 12px;
    gap: 10px;
    border-radius: 14px;
  }
  .stat-card-icon {
    width: 40px;
    height: 40px;
  }
  .stat-card-value {
    font-size: 22px;
  }
  .subjects-grid {
    gap: 12px;
  }
  .subject-card {
    padding: 14px;
    min-height: 0;
    border-radius: 14px;
  }
  .subject-name {
    font-size: 15px;
  }
  .subject-details span {
    font-size: 12px;
  }
  .platforms-grid {
    gap: 12px;
  }
  .platform-card {
    padding: 12px;
    gap: 10px;
    border-radius: 14px;
  }
  .platform-card-icon {
    width: 46px;
    height: 46px;
    font-size: 18px;
  }
  .platform-card-name {
    font-size: 14px;
  }
  .mark-inputs-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }
  .mark-input {
    padding: 6px 8px;
    font-size: 12px;
  }
  .marks-card {
    border-radius: var(--radius-lg);
  }
  .marks-card-header {
    padding: var(--spacing-sm) var(--spacing-md);
  }
  .marks-card-body {
    padding: var(--spacing-md);
  }
  .mark-secured-row {
    padding: var(--spacing-xs) var(--spacing-sm);
  }
  .mark-secured-label {
    font-size: 11px;
  }
  .mark-secured-value {
    font-size: 13px;
  }
  .calc-card {
    border-radius: var(--radius-xl);
  }
  .calc-card-title {
    font-size: 13px;
  }
  .calc-card-sub {
    font-size: 10.5px;
  }
  .topics-card {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
  }
  .topics-card-header {
    gap: 4px;
  }
  .topic-list li {
    font-size: 12px;
    padding: var(--spacing-xs) 0;
  }
  .topic-list li::before {
    width: 5px;
    height: 5px;
    margin-top: 6px;
  }
  .pyq-link {
    font-size: 11px;
  }
  .grade-banner-main {
    font-size: 12px;
  }
  .notice-panel {
    width: 85vw;
    max-width: 320px;
  }
  .notice-panel-header {
    padding: var(--spacing-md) var(--spacing-lg);
  }
  .panel-tabs {
    padding: 0 var(--spacing-lg);
  }
  .panel-content {
    padding: var(--spacing-md) var(--spacing-lg);
  }
}

/* ═══════════════════════════════════════════════════════════════════════════
   ABOUT PAGE — hero, description, developer cards
   ═══════════════════════════════════════════════════════════════════════════ */

.about-page {
  max-width: 900px;
  margin: 0 auto;
  /* page-content wrapper already provides the padding; avoid extra top spacing here */
  padding: 0 var(--spacing-xl) var(--spacing-2xl);
  padding-left: 0;
}

/* ── Hero ───────────────────────────────────────────────────────────────── */
.about-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-2xl);
  padding: var(--spacing-lg) 0;
  margin-bottom: var(--spacing-md);
}

.about-hero-text {
  flex: 1;
}

.about-gradient-heading {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0;
  background: linear-gradient(135deg, #0F172A 0%, #1E1B4B 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-fill-color: transparent;
}

.about-gradient-heading .dot-app {
  font-weight: 300;
  letter-spacing: 0.04em;
  background: linear-gradient(135deg, #1E1B4B 0%, #3B82F6 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-fill-color: transparent;
}

.about-hero-image {
  flex-shrink: 0;
  width: 180px;
  height: 180px;
  position: relative;
  overflow: hidden;
}

.about-hero-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

/* ── Description ────────────────────────────────────────────────────────── */
.about-description {
  max-width: 780px;
  margin: 0 auto;
  margin-bottom: var(--spacing-2xl);
}
.pforp{
    font-size: 1rem;
  line-height: 1.75;
  color: var(--text-primary);
  opacity: 0.75;
  font-weight: 500;
}
.about-description p {
  font-size: 1.1rem;
  line-height: 1.75;
  color: var(--text-primary);
  opacity: 0.75;
  font-weight: 500;
  text-align: left;
}

.about-description strong {
  color: #1E1B4B;
  font-weight: 700;
}

.about-description sup {
  font-size: 0.7em;
}

/* ── Section heading ────────────────────────────────────────────────────── */
.h1ofteam{
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.about-section-heading {
  font-size: 1.75rem;
  font-weight: 800;
  color: #0F172A;
  text-align: center;
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-sm);
  border-bottom: 3px solid #1E1B4B;
  display: inline-block;
}

.about-developers {
  text-align: left;
}

/* Team contributors section (About page) */
.contributors-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 16px;
}

@media (max-width: 640px) {
  .contributors-grid { grid-template-columns: 1fr; }
}

/* Main contributor layout */
.contributor-card {
  background: var(--bg-primary);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  text-align: left;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 200ms ease, transform 200ms ease, border-color 200ms ease;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

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

.contributor-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0F172A, #1E1B4B);
  color: #fff;
  font-size: 1rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  text-transform: uppercase;
}

.contributor-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.contributor-top {
  display: flex;
  align-items: center;
  gap: 8px;
}

.contributor-name {
  font-size: 1rem;
  font-weight: 800;
  color: #0F172A;
  line-height: 1.2;
}

.role-pill {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--primary-purple);
  background: #F5F3FF;
  border-radius: 999px;
  padding: 4px 10px;
  white-space: nowrap;
  flex-shrink: 0;
}

.contribution-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 600;
  line-height: 1.35;
}

.contributor-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 800;
  color: #0A66C2;
  margin-top: 2px;
}

/* Main developer (featured) overrides */
.main-dev-card {
  width: 100%;
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 20px;
  padding: 24px;
  position: relative;
}

.main-dev-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.main-dev-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.main-dev-avatar {
  flex-shrink: 0;
  margin: 0;
}

.main-dev-name {
  font-size: 1.25rem;
}

.main-dev-role,
.main-dev-bio,
.main-dev-name {
  text-align: left;
}

.linkedin-icon-top {
  flex-shrink: 0;
}

.main-dev-bio {
  margin: 0;
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 600;
  line-height: 1.6;
}

/* Team appreciation text (About page) */
.team-appreciation {
  font-size: 14.5px;
  color: var(--text-primary);
  opacity: 0.72;
  line-height: 1.75;
  margin-bottom: var(--spacing-lg);
  max-width: 560px;
  text-align: left;
}

/* Remove extra top whitespace above Team heading on About page */
.about-developers > .section-heading {
  margin-top: 0;
  padding-top: 0;
  border-bottom-width: 0;
  margin-bottom: 18px;
}

/* ── Developer cards ────────────────────────────────────────────────────── */
.about-dev-cards {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.about-dev-card {
  position: relative;
  background: var(--bg-primary);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-lg);
  width: 100%;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 200ms ease, transform 200ms ease, border-color 200ms ease;
}

.about-dev-card:hover {
  border-color: var(--primary-purple);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* LinkedIn icon — top right corner */
.linkedin-icon-top {
  position: absolute;
  top: 10px;
  right: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: #fff;
  border-radius: 6px;
  box-shadow: 0 1px 4px rgba(0,0,0,.12);
  transition: transform 150ms ease, box-shadow 150ms ease;
}

.linkedin-icon-top:hover {
  transform: scale(1.15);
  box-shadow: 0 2px 8px rgba(0,0,0,.18);
}

.linkedin-icon-top svg {
  display: block;
}

/* Developer avatar placeholder */
.about-dev-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0F172A, #1E1B4B);
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-sm);
  text-transform: uppercase;
}

.about-dev-name {
  font-size: 1rem;
  font-weight: 700;
  color: #0F172A;
  margin-bottom: 0.2rem;
}

.about-dev-role {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ── Mobile Responsive ──────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .h1ofteam{ 
    font-size: 1.85rem;
  }

  .about-page {
    padding: 0 0 var(--spacing-xl);
    margin: 5px;
  }

  .about-hero-image {
    width: 180px;
    height: 180px;
    order: -1;
    flex-shrink: 0;
    margin: 0 auto;
  }

  .about-hero {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-sm) 0;
    margin-bottom: var(--spacing-sm);
    gap: var(--spacing-sm) 2;
  }

  .about-hero-text {
    flex: unset;
    min-width: unset;
    width: 100%;
  }

  .about-gradient-heading {
    font-size: 2rem;
    white-space: normal;
    overflow: visible;
    text-overflow: unset;
    text-align: center;
  }


  .about-dev-cards {
    width: 100%;
  }

  .about-dev-card {
    width: 100%;
    box-sizing: border-box;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
  }

  .main-dev-card {
    width: 100%;
    box-sizing: border-box;
    flex-direction: row;
    gap: 14px;
    padding: var(--spacing-lg);
  }

  .main-dev-avatar {
    width: 56px;
    height: 56px;
    font-size: 1rem;
    flex-shrink: 0;
  }

  .main-dev-name {
    font-size: 1rem;
  }

  .main-dev-bio {
    font-size: 0.875rem;
  }

  .about-description p {
    font-size: 1rem;
  }

  .about-section-heading {
    font-size: 1.7rem;
  }
}

@media (max-width: 400px) {
  .about-gradient-heading {
    font-size: 2rem;
  }

  .about-description p {
    font-size: 0.92rem;
  }
}