/* ============================================================
   NEURON ACADEMY — Material You Expressive + Frosted Glass
   Fonts: DM Sans (body) + Space Mono (display/numbers)
   ============================================================ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=Space+Mono:ital,wght@0,400;0,700;1,400&display=swap');

/* ─────────────────────────────────────────────────────────
   CSS CUSTOM PROPERTIES
───────────────────────────────────────────────────────── */
:root {
  --md-primary:        #7C4DFF;
  --md-primary-dark:   #5E35B1;
  --md-secondary:      #B39DDB;
  --md-tertiary:       #CE93D8;

  /* Glass surfaces — strong enough to actually look frosted */
  --md-surface:        rgba(24, 16, 52, 0.62);
  --md-surface-high:   rgba(40, 28, 80, 0.75);
  --md-surface-low:    rgba(12, 6, 28, 0.48);

  --md-on-surface:     #FFFFFF;
  --md-on-surface-var: rgba(255,255,255,0.65);
  --md-outline:        rgba(255,255,255,0.16);
  --md-outline-var:    rgba(255,255,255,0.09);

  /* Scrim — 0% by default, user can raise via customizer */
  --md-scrim:          rgba(0,0,0,0.00);
  --md-modal-scrim:    rgba(0,0,0,0.60);

  --md-error:          #FF5252;
  --md-success:        #69F0AE;
  --md-warn:           #FFD740;

  --md-shadow:    0 8px 32px rgba(0,0,0,0.40);
  --md-shadow-sm: 0 2px 14px rgba(0,0,0,0.30);
  --md-shadow-lg: 0 24px 64px rgba(0,0,0,0.55);

  /* Frosted glass controls */
  --frost-blur:    5px;
  --frost-sat:     1.5;
  --frost-opacity: 0.72;

  /* App scale */
  --app-scale: 1;

  /* Table striping */
  --table-stripe: 1;

  /* Easing */
  --ease-std:    cubic-bezier(0.2, 0, 0, 1);
  --ease-decel:  cubic-bezier(0, 0, 0, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Radii */
  --r-xs:   6px;
  --r-sm:   12px;
  --r-md:   18px;
  --r-lg:   24px;
  --r-xl:   32px;
  --r-full: 9999px;

  /* Section spacing */
  --section-pad: clamp(3.5rem, 8vw, 7rem);
}

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

html {
  scroll-behavior: smooth;
  font-size: calc(15px * var(--app-scale));
}

body {
  font-family: 'DM Sans', sans-serif;
  color: var(--md-on-surface);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ─────────────────────────────────────────────────────────
   GLOBAL BACKGROUND
───────────────────────────────────────────────────────── */
#global-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-color: #100820;
  transition: background-image 0.7s var(--ease-std);
}

/* The user-controlled scrim overlay */
#bg-scroll-overlay {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: var(--md-scrim);
  transition: background 0.5s var(--ease-std);
}

/* Scrollbar */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--md-outline); border-radius: var(--r-full); }
::-webkit-scrollbar-thumb:hover { background: var(--md-secondary); }

/* ─────────────────────────────────────────────────────────
   PAGE SYSTEM
───────────────────────────────────────────────────────── */
.page { display: none; min-height: 100vh; }
.page.active { display: flex; flex-direction: column; }
#home-page.active { display: block; overflow-y: auto; }

/* ─────────────────────────────────────────────────────────
   FROSTED GLASS — Core mixin
   Uses saturate + blur heavily so it actually LOOKS frosted.
───────────────────────────────────────────────────────── */
.glass {
  background: color-mix(in srgb,
    var(--md-surface) calc(var(--frost-opacity) * 100%),
    transparent
  );
  backdrop-filter: blur(var(--frost-blur)) saturate(var(--frost-sat)) brightness(1.05);
  -webkit-backdrop-filter: blur(var(--frost-blur)) saturate(var(--frost-sat)) brightness(1.05);
  border: 1px solid var(--md-outline);
}
.glass-high {
  background: color-mix(in srgb,
    var(--md-surface-high) calc(var(--frost-opacity) * 100%),
    transparent
  );
  backdrop-filter: blur(calc(var(--frost-blur) * 1.3)) saturate(calc(var(--frost-sat) * 1.2));
  -webkit-backdrop-filter: blur(calc(var(--frost-blur) * 1.3)) saturate(calc(var(--frost-sat) * 1.2));
  border: 1px solid var(--md-outline);
}

/* ─────────────────────────────────────────────────────────
   TYPOGRAPHY
───────────────────────────────────────────────────────── */
h1, h2, h3, h4, h5 {
  font-family: 'DM Sans', sans-serif;
  font-weight: 700;
  line-height: 1.18;
  color: var(--md-on-surface);
  letter-spacing: -0.02em;
}

.mono { font-family: 'Space Mono', monospace; }

/* ─────────────────────────────────────────────────────────
   BUTTONS
───────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.6rem 1.4rem;
  border: none;
  border-radius: var(--r-full);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.01em;
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  transition:
    background 0.22s var(--ease-std),
    transform  0.18s var(--ease-spring),
    box-shadow 0.22s var(--ease-std),
    opacity    0.18s;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--md-on-surface);
  opacity: 0;
  transition: opacity 0.18s;
  border-radius: inherit;
}
.btn:hover::after { opacity: 0.07; }
.btn:active { transform: scale(0.96); }

.btn-filled {
  background: var(--md-primary);
  color: #fff;
  box-shadow: 0 2px 10px rgba(124,77,255,0.35);
}
.btn-filled:hover {
  box-shadow: 0 6px 24px rgba(124,77,255,0.5);
  transform: translateY(-1px);
}

.btn-glass {
  background: rgba(255,255,255,0.12);
  color: var(--md-on-surface);
  border: 1px solid var(--md-outline);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.btn-glass:hover {
  background: rgba(255,255,255,0.18);
  transform: translateY(-1px);
}

.btn-tonal {
  background: rgba(255,255,255,0.11);
  color: var(--md-on-surface);
  border: 1px solid var(--md-outline);
}
.btn-tonal:hover { background: rgba(255,255,255,0.17); transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  color: var(--md-on-surface-var);
  border: 1px solid var(--md-outline);
}
.btn-ghost:hover { background: rgba(255,255,255,0.08); color: var(--md-on-surface); }

.btn-danger  { background: var(--md-error);   color: #fff; }
.btn-success { background: var(--md-success);  color: #000; }
.btn-warn    { background: var(--md-warn);     color: #000; }

.btn-sm { padding: 0.38rem 0.95rem; font-size: 0.78rem; }
.btn-lg { padding: 0.8rem 2rem;     font-size: 0.95rem; }

.btn-icon {
  width: 38px; height: 38px;
  padding: 0;
  border-radius: var(--r-md);
  justify-content: center;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--md-outline);
  color: var(--md-on-surface-var);
}
.btn-icon:hover { background: rgba(255,255,255,0.14); color: var(--md-on-surface); }

/* ─────────────────────────────────────────────────────────
   FORMS
───────────────────────────────────────────────────────── */
.form-group { margin-bottom: 1rem; }
.form-group label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--md-on-surface-var);
  margin-bottom: 0.38rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.form-group label .req { color: var(--md-error); margin-left: 2px; }

.form-control {
  width: 100%;
  background: rgba(255,255,255,0.08);
  border: 1.5px solid var(--md-outline);
  border-radius: var(--r-sm);
  padding: 0.65rem 0.95rem;
  color: var(--md-on-surface);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.875rem;
  transition:
    border-color 0.2s var(--ease-std),
    background   0.2s var(--ease-std),
    box-shadow   0.2s var(--ease-std);
}
.form-control:focus {
  outline: none;
  border-color: var(--md-primary);
  background: rgba(255,255,255,0.12);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--md-primary) 20%, transparent);
}
.form-control::placeholder { color: rgba(255,255,255,0.28); }
select.form-control option { background: #1a0f35; color: #fff; }

.select-sm { width: auto; border-radius: var(--r-full); padding: 0.5rem 0.9rem; font-size: 0.82rem; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.9rem; }

/* Checkbox group */
.checkbox-group { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: 0.3rem; }
.checkbox-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255,255,255,0.07);
  border: 1.5px solid var(--md-outline);
  border-radius: var(--r-full);
  padding: 0.32rem 0.85rem;
  cursor: pointer;
  font-size: 0.8rem;
  color: var(--md-on-surface-var);
  transition: all 0.18s var(--ease-std);
}
.checkbox-item:hover { border-color: var(--md-primary); color: var(--md-on-surface); }
.checkbox-item input { accent-color: var(--md-primary); }
.checkbox-item:has(input:checked) {
  background: color-mix(in srgb, var(--md-primary) 22%, transparent);
  border-color: var(--md-primary);
  color: var(--md-on-surface);
}

/* ─────────────────────────────────────────────────────────
   BADGES
───────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.18rem 0.7rem;
  border-radius: var(--r-full);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.badge-pending  { background: rgba(255,215,64,0.15);  color: var(--md-warn);    border: 1px solid rgba(255,215,64,0.28); }
.badge-approved { background: rgba(105,240,174,0.15); color: var(--md-success); border: 1px solid rgba(105,240,174,0.28); }
.badge-rejected { background: rgba(255,82,82,0.15);   color: var(--md-error);   border: 1px solid rgba(255,82,82,0.28); }

.nav-badge-dot {
  background: var(--md-error);
  color: #fff;
  font-size: 0.6rem;
  font-weight: 700;
  padding: 0.08rem 0.38rem;
  border-radius: var(--r-full);
  min-width: 17px;
  text-align: center;
}

/* ─────────────────────────────────────────────────────────
   TOAST
───────────────────────────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: 1.2rem;
  right: 1.2rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}
.toast {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.8rem 1.2rem;
  border-radius: var(--r-md);
  font-size: 0.84rem;
  font-weight: 500;
  min-width: 240px;
  max-width: 360px;
  pointer-events: all;
  animation: toastIn 0.32s var(--ease-spring) forwards;
  box-shadow: var(--md-shadow);
  border-left: 3px solid transparent;
}
.toast-success { border-left-color: var(--md-success) !important; }
.toast-error   { border-left-color: var(--md-error)   !important; }
.toast-warn    { border-left-color: var(--md-warn)     !important; }
.toast-info    { border-left-color: var(--md-primary)  !important; }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(18px) scale(0.95); }
  to   { opacity: 1; transform: translateX(0) scale(1); }
}

/* ─────────────────────────────────────────────────────────
   MODAL
───────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--md-modal-scrim);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s var(--ease-std);
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal-overlay.open .modal { transform: translateY(0) scale(1); }

.modal {
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border-radius: var(--r-xl);
  box-shadow: var(--md-shadow-lg);
  transform: translateY(14px) scale(0.97);
  transition: transform 0.32s var(--ease-spring);
}
.modal-header {
  padding: 1.1rem 1.4rem;
  border-bottom: 1px solid var(--md-outline-var);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}
.modal-header h3 { font-size: 0.95rem; font-weight: 700; }
.modal-body { padding: 1.4rem; overflow-y: auto; flex: 1; }
.modal-footer {
  padding: 0.9rem 1.4rem;
  border-top: 1px solid var(--md-outline-var);
  display: flex;
  gap: 0.55rem;
  justify-content: flex-end;
  flex-shrink: 0;
}
.close-btn {
  background: none;
  border: none;
  color: var(--md-on-surface-var);
  cursor: pointer;
  font-size: 1rem;
  width: 30px; height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-sm);
  transition: all 0.18s var(--ease-std);
}
.close-btn:hover { background: rgba(255,255,255,0.1); color: var(--md-on-surface); }

/* ─────────────────────────────────────────────────────────
   LOADING
───────────────────────────────────────────────────────── */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 1rem;
}
.loading-overlay.show { display: flex; }
.loading-overlay p { color: var(--md-on-surface-var); font-size: 0.85rem; }
.loader {
  width: 42px; height: 42px;
  border: 3px solid var(--md-outline);
  border-top-color: var(--md-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ═══════════════════════════════════════════════════════════
   HOME PAGE NAV
═══════════════════════════════════════════════════════════ */
.home-nav {
  position: sticky;
  top: 0;
  z-index: 200;
  border-bottom: 1px solid var(--md-outline-var);
}
.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-brand {
  font-family: 'Space Mono', monospace;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--md-on-surface);
  flex-shrink: 0;
}
.nav-brand i { color: var(--md-secondary); }
.nav-links {
  display: flex;
  gap: 0.2rem;
  flex: 1;
}
.nav-link {
  padding: 0.4rem 0.85rem;
  border-radius: var(--r-full);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--md-on-surface-var);
  text-decoration: none;
  transition: all 0.18s var(--ease-std);
  white-space: nowrap;
}
.nav-link:hover { background: rgba(255,255,255,0.08); color: var(--md-on-surface); }
.nav-actions { display: flex; gap: 0.5rem; align-items: center; }
.nav-hamburger {
  display: none;
  background: none;
  border: 1px solid var(--md-outline);
  color: var(--md-on-surface);
  padding: 0.4rem 0.7rem;
  border-radius: var(--r-sm);
  cursor: pointer;
  font-size: 0.95rem;
}
.mobile-nav {
  display: none;
  flex-direction: column;
  padding: 0.8rem 1.5rem 1.2rem;
  gap: 0.3rem;
  border-top: 1px solid var(--md-outline-var);
}
.mobile-nav.open { display: flex; }
.mobile-nav-link {
  padding: 0.65rem 0.9rem;
  border-radius: var(--r-sm);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--md-on-surface-var);
  text-decoration: none;
  transition: all 0.18s;
}
.mobile-nav-link:hover { background: rgba(255,255,255,0.08); color: var(--md-on-surface); }
.mobile-nav-actions {
  display: flex;
  gap: 0.6rem;
  margin-top: 0.8rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--md-outline-var);
}

/* ═══════════════════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════════════════ */
.home-hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
  position: relative;
}
.hero-inner {
  max-width: 720px;
  text-align: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1.1rem;
  border-radius: var(--r-full);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--md-on-surface-var);
  margin-bottom: 1.6rem;
  animation: fadeUp 0.6s var(--ease-decel) both;
}
.hero-badge i { color: var(--md-secondary); }

.hero-title {
  font-size: clamp(2.6rem, 7.5vw, 5.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 1.3rem;
  animation: fadeUp 0.65s var(--ease-decel) 0.08s both;
}
.hero-title em {
  font-style: normal;
  color: var(--md-secondary);
}

.hero-sub {
  font-size: clamp(0.9rem, 2vw, 1.08rem);
  color: var(--md-on-surface-var);
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto 2.2rem;
  animation: fadeUp 0.65s var(--ease-decel) 0.16s both;
}

.hero-cta {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  justify-content: center;
  animation: fadeUp 0.65s var(--ease-decel) 0.24s both;
}

/* Scroll hint — hidden on touch/small screens */
.hero-scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--md-on-surface-var);
  font-size: 1rem;
  animation: fadeUp 1s var(--ease-decel) 0.5s both;
}
.bounce {
  display: block;
  animation: bounceY 1.8s ease-in-out infinite;
}
@keyframes bounceY {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(7px); }
}

/* Hide scroll hint entirely on phones */
@media (max-width: 600px) {
  .hero-scroll-hint { display: none; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════════════════════════
   SECTION SHARED
═══════════════════════════════════════════════════════════ */
.home-section {
  padding: var(--section-pad) 1.5rem;
}
.alt-section {
  /* slight contrast to separate sections visually */
}
.section-inner {
  max-width: 1080px;
  margin: 0 auto;
}

.section-eyebrow {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--md-secondary);
  margin-bottom: 0.8rem;
  font-family: 'Space Mono', monospace;
}
.section-title {
  font-size: clamp(1.7rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin-bottom: 1rem;
}
.section-body {
  font-size: 0.9rem;
  color: var(--md-on-surface-var);
  line-height: 1.75;
  max-width: 580px;
  margin-bottom: 2.2rem;
}
.section-label-sm {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--md-on-surface-var);
  margin-bottom: 0.8rem;
}

/* ═══════════════════════════════════════════════════════════
   STATS STRIP
═══════════════════════════════════════════════════════════ */
.stats-section {
  padding: 0 1.5rem 3rem;
}
.stats-strip {
  max-width: 1080px;
  margin: 0 auto;
  border-radius: var(--r-xl);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
}
.stat-block {
  padding: 2rem 1.5rem;
  text-align: center;
}
.stat-num {
  font-family: 'Space Mono', monospace;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--md-secondary);
  line-height: 1;
  margin-bottom: 0.4rem;
}
.stat-lbl {
  font-size: 0.75rem;
  color: var(--md-on-surface-var);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.stat-divider {
  width: 1px;
  background: var(--md-outline-var);
  align-self: center;
  height: 50px;
}

/* ═══════════════════════════════════════════════════════════
   WHY GRID
═══════════════════════════════════════════════════════════ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 1.1rem;
}
.why-card {
  padding: 1.6rem;
  border-radius: var(--r-xl);
  position: relative;
  overflow: hidden;
  transition: transform 0.28s var(--ease-spring), box-shadow 0.28s var(--ease-std);
}
.why-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--md-primary), var(--md-tertiary));
  opacity: 0;
  transition: opacity 0.28s;
}
.why-card:hover { transform: translateY(-4px); box-shadow: var(--md-shadow); }
.why-card:hover::before { opacity: 1; }
.why-icon {
  width: 46px; height: 46px;
  border-radius: var(--r-md);
  background: color-mix(in srgb, var(--md-primary) 18%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  color: var(--md-secondary);
  margin-bottom: 1rem;
  transition: transform 0.28s var(--ease-spring);
}
.why-card:hover .why-icon { transform: scale(1.1) rotate(-4deg); }
.why-card h3 { font-size: 0.97rem; margin-bottom: 0.45rem; }
.why-card p  { font-size: 0.83rem; color: var(--md-on-surface-var); line-height: 1.65; }

/* ═══════════════════════════════════════════════════════════
   ABOUT — TWO COLUMN
═══════════════════════════════════════════════════════════ */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
.col-text .section-body { max-width: none; }
.col-visual {
  border-radius: var(--r-xl);
  padding: 1.8rem;
}
.visual-inner { display: flex; flex-direction: column; gap: 0; }
.milestone {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.milestone-year {
  font-family: 'Space Mono', monospace;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--md-secondary);
  letter-spacing: 0.05em;
}
.milestone-desc {
  font-size: 0.83rem;
  color: var(--md-on-surface-var);
  line-height: 1.5;
}
.milestone-line {
  width: 1px;
  height: 20px;
  background: var(--md-outline);
  margin: 0.55rem 0 0.55rem 3px;
}

/* ═══════════════════════════════════════════════════════════
   SUBJECTS GRID
═══════════════════════════════════════════════════════════ */
.subjects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}
.subject-card {
  padding: 1.4rem;
  border-radius: var(--r-xl);
  transition: transform 0.25s var(--ease-spring), box-shadow 0.25s;
}
.subject-card:hover { transform: translateY(-3px); box-shadow: var(--md-shadow-sm); }
.subject-icon {
  font-size: 1.4rem;
  color: var(--md-secondary);
  margin-bottom: 0.7rem;
}
.subject-name {
  font-size: 0.97rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}
.subject-desc {
  font-size: 0.8rem;
  color: var(--md-on-surface-var);
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════════
   HOW IT WORKS — STEPS
═══════════════════════════════════════════════════════════ */
.steps-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.1rem;
}
.step-card {
  padding: 1.6rem;
  border-radius: var(--r-xl);
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
  transition: transform 0.25s var(--ease-spring);
}
.step-card:hover { transform: translateY(-3px); }
.step-num {
  font-family: 'Space Mono', monospace;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--md-secondary);
  opacity: 0.55;
  flex-shrink: 0;
  line-height: 1;
  margin-top: 0.1rem;
}
.step-content h3 { font-size: 0.95rem; margin-bottom: 0.45rem; }
.step-content p  { font-size: 0.82rem; color: var(--md-on-surface-var); line-height: 1.65; }

/* ═══════════════════════════════════════════════════════════
   TESTIMONIALS
═══════════════════════════════════════════════════════════ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.1rem;
  margin-bottom: 2rem;
}
.testimonial-card {
  padding: 1.6rem;
  border-radius: var(--r-xl);
  border-left: 3px solid var(--md-secondary);
}
.testimonial-text {
  font-size: 0.85rem;
  color: var(--md-on-surface-var);
  line-height: 1.72;
  font-style: italic;
  margin-bottom: 1.2rem;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-style: normal;
}
.author-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--md-primary) 20%, transparent);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem;
  color: var(--md-secondary);
  flex-shrink: 0;
}
.author-name   { font-size: 0.83rem; font-weight: 700; }
.author-detail { font-size: 0.73rem; color: var(--md-on-surface-var); }

.results-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}
.highlight-card {
  padding: 1.5rem;
  border-radius: var(--r-xl);
  text-align: center;
}
.highlight-num {
  font-family: 'Space Mono', monospace;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  color: var(--md-secondary);
  margin-bottom: 0.4rem;
}
.highlight-label { font-size: 0.78rem; color: var(--md-on-surface-var); line-height: 1.5; }

/* ═══════════════════════════════════════════════════════════
   FAQ
═══════════════════════════════════════════════════════════ */
.faq-inner { max-width: 720px; }
.faq-list { display: flex; flex-direction: column; gap: 0.7rem; }
.faq-item {
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: box-shadow 0.2s;
}
.faq-item:hover { box-shadow: var(--md-shadow-sm); }
.faq-item summary {
  padding: 1.1rem 1.4rem;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  user-select: none;
}
.faq-item summary::after {
  content: '+';
  font-size: 1.2rem;
  color: var(--md-secondary);
  flex-shrink: 0;
  transition: transform 0.25s var(--ease-spring);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item p {
  padding: 0 1.4rem 1.2rem;
  font-size: 0.83rem;
  color: var(--md-on-surface-var);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════════════════════
   CONTACT
═══════════════════════════════════════════════════════════ */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}
.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2rem 1.2rem;
  border-radius: var(--r-xl);
  text-decoration: none;
  color: var(--md-on-surface);
  transition: transform 0.25s var(--ease-spring), box-shadow 0.25s;
}
.contact-card:hover { transform: translateY(-4px); box-shadow: var(--md-shadow); }
.contact-icon {
  font-size: 1.6rem;
  color: var(--md-secondary);
  margin-bottom: 0.8rem;
}
.contact-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--md-on-surface-var); font-weight: 700; margin-bottom: 0.25rem; }
.contact-value { font-size: 0.85rem; font-weight: 600; }

/* ═══════════════════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════════════════ */
.home-footer {
  border-top: 1px solid var(--md-outline-var);
  padding: 2.5rem 1.5rem;
}
.footer-inner { max-width: 1080px; margin: 0 auto; }
.footer-brand { margin-bottom: 1.5rem; }
.footer-logo {
  font-family: 'Space Mono', monospace;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 0.4rem;
}
.footer-logo i { color: var(--md-secondary); }
.footer-tagline { font-size: 0.78rem; color: var(--md-on-surface-var); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  border-top: 1px solid var(--md-outline-var);
  padding-top: 1.2rem;
}
.footer-copy { font-size: 0.73rem; color: var(--md-on-surface-var); opacity: 0.65; }

/* ═══════════════════════════════════════════════════════════
   AUTH CARDS (Login + Register)
═══════════════════════════════════════════════════════════ */
.auth-card {
  width: 100%;
  max-width: 420px;
  padding: 2.2rem;
  border-radius: var(--r-xl);
  box-shadow: var(--md-shadow-lg);
  margin: 2rem auto;
  animation: fadeUp 0.45s var(--ease-decel) both;
}
.auth-logo {
  font-size: 1.8rem;
  color: var(--md-secondary);
  margin-bottom: 1rem;
}
.auth-card h2 { font-size: 1.3rem; margin-bottom: 0.3rem; }
.auth-sub { font-size: 0.82rem; color: var(--md-on-surface-var); margin-bottom: 1.6rem; line-height: 1.6; }

/* ─── Register ─── */
.register-container { max-width: 760px; margin: 0 auto; padding: 1.8rem 1.2rem; width: 100%; }
.register-header { text-align: center; margin-bottom: 2rem; }
.register-header .auth-logo { font-size: 1.8rem; }
.register-header h1 { font-size: 1.6rem; margin-bottom: 0.4rem; }
.register-header p { font-size: 0.83rem; color: var(--md-on-surface-var); line-height: 1.6; }

.form-card {
  padding: 1.8rem;
  border-radius: var(--r-xl);
  margin-bottom: 1.1rem;
  box-shadow: var(--md-shadow-sm);
}
.form-section-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--md-secondary);
  margin-bottom: 1.1rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid var(--md-outline-var);
  font-family: 'Space Mono', monospace;
}

.pic-upload-area {
  border: 2px dashed var(--md-outline);
  border-radius: var(--r-xl);
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.22s var(--ease-std);
}
.pic-upload-area:hover {
  border-color: var(--md-primary);
  background: color-mix(in srgb, var(--md-primary) 6%, transparent);
}
.pic-placeholder { font-size: 2.2rem; color: var(--md-on-surface-var); margin-bottom: 0.5rem; }
.pic-preview { width: 110px; height: 110px; border-radius: 50%; object-fit: cover; border: 3px solid var(--md-primary); margin: 0 auto 1rem; display: block; }
.pic-hint { font-size: 0.75rem; color: var(--md-on-surface-var); margin-top: 0.4rem; }

.payment-info-box {
  background: color-mix(in srgb, var(--md-primary) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--md-primary) 28%, transparent);
  border-radius: var(--r-md);
  padding: 0.9rem 1.1rem;
  margin-bottom: 1.1rem;
  font-size: 0.84rem;
  line-height: 1.6;
}

.draft-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.8rem;
  padding: 0.8rem 1.2rem;
  border-radius: var(--r-md);
  margin-bottom: 1rem;
  font-size: 0.82rem;
  background: color-mix(in srgb, var(--md-warn) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--md-warn) 24%, transparent);
}

.reg-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  padding-bottom: 2rem;
  align-items: center;
}
.reg-actions .btn-filled { flex: 1; justify-content: center; min-width: 160px; }

/* ─── Pending ─── */
.pending-card {
  max-width: 460px;
  width: 100%;
  text-align: center;
  padding: 2.5rem 2rem;
  border-radius: var(--r-xl);
  box-shadow: var(--md-shadow-lg);
  margin: 2rem 1rem;
  animation: fadeUp 0.45s var(--ease-decel) both;
}
.pending-icon { font-size: 3rem; margin-bottom: 1rem; color: var(--md-secondary); }
.pending-card h2 { font-size: 1.2rem; margin-bottom: 0.7rem; }
.pending-msg { font-size: 0.83rem; color: var(--md-on-surface-var); margin-bottom: 1rem; line-height: 1.6; }
.id-hint { font-size: 0.7rem; color: var(--md-on-surface-var); }

.id-box {
  background: rgba(255,255,255,0.07);
  border: 1.5px solid var(--md-outline);
  border-radius: var(--r-md);
  padding: 0.9rem 1.2rem;
  font-family: 'Space Mono', monospace;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  margin: 1rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--md-secondary);
  transition: all 0.18s;
}
.id-box:hover { border-color: var(--md-primary); background: rgba(255,255,255,0.1); }

.rejection-box {
  background: rgba(255,82,82,0.08);
  border: 1px solid rgba(255,82,82,0.2);
  border-radius: var(--r-md);
  padding: 0.9rem;
  margin: 0.8rem 0;
  text-align: left;
}
.rej-label { font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--md-error); margin-bottom: 0.35rem; }
.rejection-box p { font-size: 0.82rem; color: var(--md-on-surface-var); }

.pending-actions { display: flex; gap: 0.6rem; flex-wrap: wrap; justify-content: center; margin-top: 1.5rem; }

/* ═══════════════════════════════════════════════════════════
   DASHBOARD SHELL
═══════════════════════════════════════════════════════════ */
.dash-header {
  height: 60px;
  padding: 0 1.4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 200;
  border-bottom: 1px solid var(--md-outline-var);
  flex-shrink: 0;
}
.dash-logo {
  font-family: 'Space Mono', monospace;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 0.55rem;
}
.dash-logo i { color: var(--md-secondary); }
.admin-label {
  font-size: 0.55rem;
  color: var(--md-on-surface-var);
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  letter-spacing: 0.15em;
}
.dash-header-right { display: flex; align-items: center; gap: 0.55rem; }
.dash-welcome { font-size: 0.8rem; color: var(--md-on-surface-var); }

/* ─── Student Dashboard ─── */
.student-dash-body { flex: 1; padding: 1.4rem; max-width: 1080px; margin: 0 auto; width: 100%; }
.student-info-card {
  display: flex;
  gap: 1.8rem;
  flex-wrap: wrap;
  align-items: flex-start;
  padding: 1.8rem;
  border-radius: var(--r-xl);
  margin-bottom: 1.3rem;
  box-shadow: var(--md-shadow-sm);
}
.student-pfp { width: 88px; height: 88px; border-radius: 50%; border: 3px solid var(--md-primary); object-fit: cover; flex-shrink: 0; }
.student-pfp-ph {
  width: 88px; height: 88px;
  border-radius: 50%;
  border: 3px solid var(--md-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem;
  color: var(--md-primary);
  flex-shrink: 0;
  background: color-mix(in srgb, var(--md-primary) 12%, transparent);
}
.student-name { font-size: 1.2rem; margin-bottom: 0.2rem; }
.student-meta { font-size: 0.82rem; color: var(--md-on-surface-var); margin-bottom: 1rem; }

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
  gap: 0.6rem;
}
.info-item {
  background: rgba(255,255,255,0.06);
  border-radius: var(--r-sm);
  padding: 0.65rem 0.9rem;
  transition: background 0.18s;
}
.info-item:hover { background: rgba(255,255,255,0.1); }
.info-item .lbl { font-size: 0.64rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--md-on-surface-var); margin-bottom: 0.18rem; font-weight: 700; }
.info-item .val { font-size: 0.84rem; font-weight: 600; }

.attendance-card { padding: 1.6rem; border-radius: var(--r-xl); margin-bottom: 1.3rem; box-shadow: var(--md-shadow-sm); }
.attendance-card h3 { font-size: 0.9rem; margin-bottom: 1rem; display: flex; align-items: center; gap: 0.5rem; }
.attendance-card h3 i { color: var(--md-secondary); }
.attend-bar-wrap { display: flex; align-items: center; gap: 1rem; margin-bottom: 0.5rem; }
.attend-bar { flex: 1; background: rgba(255,255,255,0.1); border-radius: var(--r-full); height: 7px; overflow: hidden; }
.attend-fill { height: 100%; border-radius: var(--r-full); background: linear-gradient(90deg, var(--md-primary), var(--md-tertiary)); transition: width 0.8s var(--ease-decel); }
.attend-pct { font-family: 'Space Mono', monospace; font-size: 0.9rem; font-weight: 700; min-width: 44px; text-align: right; }

/* ─── Admin Dashboard ─── */
.admin-layout { display: flex; flex: 1; overflow: hidden; height: calc(100vh - 60px); }

.admin-sidebar {
  width: 220px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  padding: 0.9rem 0.7rem;
  gap: 0.18rem;
  overflow-y: auto;
  border-right: 1px solid var(--md-outline-var);
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.72rem 0.9rem;
  border-radius: var(--r-lg);
  cursor: pointer;
  transition: all 0.18s var(--ease-std);
  color: var(--md-on-surface-var);
  font-size: 0.85rem;
  font-weight: 500;
  position: relative;
}
.nav-item i { width: 18px; text-align: center; font-size: 0.9rem; }
.nav-item:hover { background: rgba(255,255,255,0.08); color: var(--md-on-surface); }
.nav-item.active { background: color-mix(in srgb, var(--md-primary) 20%, transparent); color: var(--md-on-surface); font-weight: 700; }
.nav-item.active i { color: var(--md-secondary); }
.nav-item .nav-badge-dot { margin-left: auto; }

.admin-content { flex: 1; overflow-y: auto; padding: 1.8rem; }
.tab-content { display: none; animation: fadeUp 0.28s var(--ease-decel) both; }
.tab-content.active { display: block; }
.page-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 1.4rem; }
.tab-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.3rem;
  flex-wrap: wrap;
  gap: 0.8rem;
}

/* ─── Stat cards ─── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.9rem;
  margin-bottom: 1.8rem;
}
.stat-card {
  padding: 1.3rem 1.1rem;
  border-radius: var(--r-xl);
  text-align: center;
  transition: transform 0.22s var(--ease-spring);
}
.stat-card:hover { transform: translateY(-3px); }
.stat-card .num {
  font-family: 'Space Mono', monospace;
  font-size: 2rem;
  font-weight: 700;
  color: var(--md-secondary);
  line-height: 1;
  margin-bottom: 0.35rem;
}
.stat-card .lbl { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--md-on-surface-var); font-weight: 700; }

/* ─── Submission cards ─── */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.1rem; }
.submission-card {
  padding: 1.3rem;
  border-radius: var(--r-xl);
  transition: transform 0.22s var(--ease-spring), box-shadow 0.22s;
}
.submission-card:hover { transform: translateY(-2px); box-shadow: var(--md-shadow); }
.sub-pfp { width: 50px; height: 50px; border-radius: 50%; object-fit: cover; border: 2px solid var(--md-outline); flex-shrink: 0; }
.sub-pfp-ph {
  width: 50px; height: 50px;
  border-radius: 50%;
  border: 2px solid var(--md-outline);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  color: var(--md-on-surface-var);
  flex-shrink: 0;
  background: rgba(255,255,255,0.05);
}
.sub-info h4 { font-size: 0.9rem; font-weight: 700; margin-bottom: 0.22rem; }
.sub-info p  { font-size: 0.75rem; color: var(--md-on-surface-var); }
.sub-actions { display: flex; gap: 0.45rem; margin-top: 0.9rem; }

.btn-approve {
  background: color-mix(in srgb, var(--md-success) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--md-success) 28%, transparent);
  color: var(--md-success);
  border-radius: var(--r-full);
}
.btn-approve:hover { background: color-mix(in srgb, var(--md-success) 22%, transparent); }
.btn-reject {
  background: color-mix(in srgb, var(--md-error) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--md-error) 28%, transparent);
  color: var(--md-error);
  border-radius: var(--r-full);
}
.btn-reject:hover { background: color-mix(in srgb, var(--md-error) 22%, transparent); }

.expand-btn {
  background: none; border: none;
  color: var(--md-on-surface-var);
  cursor: pointer; font-size: 0.75rem;
  font-family: 'DM Sans', sans-serif;
  display: flex; align-items: center; gap: 0.3rem;
  margin-top: 0.5rem; padding: 0.28rem 0;
  transition: color 0.18s;
}
.expand-btn:hover { color: var(--md-on-surface); }
.expand-content { max-height: 0; overflow: hidden; transition: max-height 0.4s var(--ease-std); }
.expand-content.open { max-height: 600px; }
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; margin-top: 0.75rem; }
.detail-item { font-size: 0.75rem; }
.detail-item .dk { color: var(--md-on-surface-var); }
.detail-item .dv { color: var(--md-on-surface); font-weight: 600; }

/* ─── Table ─── */
.table-controls {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-bottom: 0.9rem;
  align-items: center;
}
.table-wrap {
  overflow-x: auto;
  border-radius: var(--r-xl);
  border: 1px solid var(--md-outline-var);
}
table { width: 100%; border-collapse: collapse; }
thead tr { background: rgba(255,255,255,0.04); }
th {
  padding: 0.75rem 1rem;
  text-align: left;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--md-on-surface-var);
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  transition: color 0.18s;
}
th:hover { color: var(--md-on-surface); }
td {
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--md-outline-var);
  font-size: 0.83rem;
  vertical-align: middle;
  transition: background 0.14s;
}
tr:last-child td { border-bottom: none; }
.table-striped tbody tr:nth-child(even) td { background: rgba(255,255,255,0.03); }
.table-striped tbody tr:nth-child(odd) td  { background: rgba(0,0,0,0.06); }
tbody tr:hover td { background: rgba(255,255,255,0.06) !important; }

/* ─── Search bar ─── */
.search-bar { position: relative; }
.search-bar input {
  width: 100%;
  padding: 0.62rem 1rem 0.62rem 2.4rem;
  border-radius: var(--r-full);
  background: rgba(255,255,255,0.07);
  border: 1.5px solid var(--md-outline);
  color: var(--md-on-surface);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem;
  transition: all 0.18s var(--ease-std);
}
.search-bar input:focus { outline: none; border-color: var(--md-primary); background: rgba(255,255,255,0.10); }
.search-bar i {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--md-on-surface-var);
  pointer-events: none;
  font-size: 0.8rem;
}

/* ─── Attendance table ─── */
.attend-table-wrap { overflow-x: auto; border-radius: var(--r-xl); border: 1px solid var(--md-outline-var); }
.attend-table th, .attend-table td { min-width: 50px; text-align: center; padding: 0.5rem 0.38rem; }
.attend-table th:first-child, .attend-table td:first-child { text-align: left; min-width: 150px; padding: 0.5rem 1rem; }
.attend-checkbox { width: 18px; height: 18px; accent-color: var(--md-primary); cursor: pointer; }
.attend-controls { display: flex; gap: 0.8rem; margin-bottom: 0.9rem; align-items: center; flex-wrap: wrap; }
.ctrl-label { font-size: 0.75rem; color: var(--md-on-surface-var); font-weight: 600; white-space: nowrap; }

/* Draft indicator */
.draft-indicator { display: flex; align-items: center; gap: 0.38rem; font-size: 0.72rem; color: var(--md-warn); font-weight: 600; }
.draft-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--md-warn); animation: pulse 1.5s ease infinite; }
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.75); }
}

/* ─── Toggle ─── */
.toggle-wrap { display: flex; align-items: center; gap: 0.7rem; }
.toggle-label { font-size: 0.8rem; font-weight: 600; color: var(--md-on-surface-var); }
.toggle { position: relative; width: 44px; height: 24px; flex-shrink: 0; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; cursor: pointer; inset: 0;
  background: rgba(255,255,255,0.15);
  border-radius: var(--r-full);
  transition: background 0.28s var(--ease-std);
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  left: 3px; top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.28s var(--ease-spring);
  box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}
.toggle input:checked + .toggle-slider { background: var(--md-primary); }
.toggle input:checked + .toggle-slider::before { transform: translateX(20px); }

/* ─── Grade summary chips ─── */
.grade-summary { display: flex; gap: 0.45rem; flex-wrap: wrap; margin-bottom: 0.9rem; }
.grade-chip {
  padding: 0.22rem 0.8rem;
  border-radius: var(--r-full);
  font-size: 0.72rem; font-weight: 600;
  background: rgba(255,255,255,0.07);
  border: 1px solid var(--md-outline);
  color: var(--md-on-surface-var);
  transition: all 0.18s;
}
.grade-chip strong { color: var(--md-secondary); }

/* ─── Empty state ─── */
.empty-state { text-align: center; padding: 3.5rem 2rem; color: var(--md-on-surface-var); }
.empty-state i { font-size: 2.2rem; margin-bottom: 0.9rem; display: block; color: var(--md-outline); }
.empty-state p { font-size: 0.85rem; }

/* ─── Bulk actions ─── */
.bulk-bar {
  display: flex; align-items: center; gap: 0.9rem; margin-bottom: 0.9rem;
  flex-wrap: wrap; padding: 0.65rem 1rem;
  border-radius: var(--r-md);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--md-outline-var);
}
.bulk-select-label {
  display: flex; align-items: center; gap: 0.45rem;
  font-size: 0.8rem; color: var(--md-on-surface-var); cursor: pointer;
}
.bulk-select-label input { accent-color: var(--md-primary); width: 15px; height: 15px; }

/* ─── Backup ─── */
.backup-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; max-width: 440px; }
.backup-card {
  text-align: center;
  padding: 2.2rem 1.4rem;
  border-radius: var(--r-xl);
  cursor: pointer;
  transition: transform 0.25s var(--ease-spring), box-shadow 0.25s;
}
.backup-card:hover { transform: translateY(-4px); box-shadow: var(--md-shadow); }
.backup-card i { font-size: 2rem; color: var(--md-secondary); margin-bottom: 0.8rem; display: block; }
.backup-title { font-size: 0.9rem; font-weight: 700; margin-bottom: 0.3rem; }
.backup-desc { font-size: 0.75rem; color: var(--md-on-surface-var); line-height: 1.5; }

/* ─── Settings ─── */
.settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.3rem; max-width: 680px; }
.log-time { font-family: 'Space Mono', monospace; font-size: 0.75rem; color: var(--md-on-surface-var); }

/* ═══════════════════════════════════════════════════════════
   CUSTOMIZER PANEL
═══════════════════════════════════════════════════════════ */
.customizer-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 800;
  opacity: 0; pointer-events: none;
  transition: opacity 0.28s var(--ease-std);
}
.customizer-overlay.open { opacity: 1; pointer-events: all; }

.customizer-panel {
  position: fixed;
  top: 0; right: 0;
  width: 340px; max-width: 100vw;
  height: 100vh;
  z-index: 801;
  display: flex; flex-direction: column;
  border-left: 1px solid var(--md-outline-var);
  transform: translateX(100%);
  transition: transform 0.38s var(--ease-decel);
  overflow: hidden;
}
.customizer-overlay.open .customizer-panel { transform: translateX(0); }
.customizer-header {
  padding: 1.1rem 1.4rem;
  border-bottom: 1px solid var(--md-outline-var);
  display: flex; align-items: center; justify-content: space-between;
  flex-shrink: 0;
}
.customizer-header h3 { font-size: 0.95rem; font-weight: 700; display: flex; align-items: center; gap: 0.5rem; }
.customizer-header h3 i { color: var(--md-secondary); }
.customizer-body { flex: 1; overflow-y: auto; padding: 1.4rem; }

.cust-section { margin-bottom: 1.8rem; }
.cust-section-title {
  font-size: 0.62rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.15em;
  color: var(--md-secondary);
  margin-bottom: 0.9rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--md-outline-var);
  font-family: 'Space Mono', monospace;
}
.cust-hint { font-size: 0.7rem; color: var(--md-on-surface-var); margin-top: 0.4rem; }

.theme-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.65rem; }
.theme-card {
  border-radius: var(--r-lg); overflow: hidden;
  cursor: pointer; border: 2px solid transparent;
  transition: all 0.22s var(--ease-spring); position: relative;
}
.theme-card:hover { transform: scale(1.03); border-color: var(--md-outline); }
.theme-card.active { border-color: var(--md-primary); box-shadow: 0 0 0 2px color-mix(in srgb, var(--md-primary) 38%, transparent); }
.theme-card-preview { height: 65px; background-size: cover; background-position: center; position: relative; }
.theme-card-preview::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to bottom, transparent 40%, rgba(0,0,0,0.5)); }
.theme-card-label {
  padding: 0.45rem 0.65rem; font-size: 0.76rem; font-weight: 600;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(0,0,0,0.28); backdrop-filter: blur(4px);
}
.theme-card-label i { font-size: 0.68rem; color: var(--md-on-surface-var); cursor: pointer; transition: color 0.18s; }
.theme-card-label i:hover { color: var(--md-error); }
.theme-card.active .theme-card-label { color: var(--md-secondary); }
.theme-active-check {
  position: absolute; top: 5px; right: 5px;
  width: 20px; height: 20px;
  background: var(--md-primary); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.6rem; color: #fff; z-index: 1;
  opacity: 0; transform: scale(0);
  transition: all 0.22s var(--ease-spring);
}
.theme-card.active .theme-active-check { opacity: 1; transform: scale(1); }

.add-theme-btn {
  width: 100%; margin-top: 0.65rem;
  padding: 0.75rem;
  border-radius: var(--r-lg);
  background: rgba(255,255,255,0.06);
  border: 1.5px dashed var(--md-outline);
  color: var(--md-on-surface-var);
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.82rem; font-weight: 600;
  display: flex; align-items: center; justify-content: center; gap: 0.55rem;
  transition: all 0.18s var(--ease-std);
}
.add-theme-btn:hover { border-color: var(--md-primary); color: var(--md-on-surface); background: rgba(255,255,255,0.09); }

.cust-slider-wrap { display: flex; align-items: center; gap: 0.75rem; }
.cust-slider {
  flex: 1; -webkit-appearance: none; appearance: none;
  height: 5px; border-radius: var(--r-full);
  background: rgba(255,255,255,0.12);
  outline: none; cursor: pointer;
}
.cust-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--md-primary);
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
  transition: transform 0.18s var(--ease-spring);
  cursor: grab;
}
.cust-slider::-webkit-slider-thumb:active { transform: scale(1.2); cursor: grabbing; }
.cust-slider-val {
  min-width: 40px; text-align: right;
  font-size: 0.8rem; font-weight: 700;
  color: var(--md-secondary);
  font-family: 'Space Mono', monospace;
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  .two-col { grid-template-columns: 1fr; gap: 2rem; }
  .stats-strip { grid-template-columns: repeat(2, 1fr); }
  .stat-divider { display: none; }
}

@media (max-width: 768px) {
  .nav-links, .nav-actions { display: none; }
  .nav-hamburger { display: block; }

  .form-row { grid-template-columns: 1fr; }
  .settings-grid { grid-template-columns: 1fr; }
  .backup-grid { grid-template-columns: 1fr; }

  .admin-sidebar { width: 56px; padding: 0.7rem 0.35rem; }
  .admin-sidebar .nav-item span { display: none; }
  .admin-sidebar .nav-item { justify-content: center; padding: 0.65rem; }
  .admin-sidebar .nav-badge-dot { position: absolute; top: 3px; right: 3px; font-size: 0.52rem; }

  .student-info-card { flex-direction: column; }
  .customizer-panel { width: 100vw; }
  .detail-grid { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .stats-strip { grid-template-columns: 1fr 1fr; }
  .cards-grid  { grid-template-columns: 1fr; }
  .hero-cta    { flex-direction: column; align-items: center; }
  .hero-cta .btn { width: 100%; max-width: 280px; justify-content: center; }
}

/* ═══════════════════════════════════════════════════════════
   PRINT STYLES (for report cards etc.)
═══════════════════════════════════════════════════════════ */
@media print {
  .home-nav, .dash-header, .admin-sidebar, .customizer-overlay { display: none; }
  body { background: #fff; color: #000; }
  .glass { background: #fff; backdrop-filter: none; border: 1px solid #ccc; }
}