/* ═══════════════════════════════════════════════════════════════════
   CollegeNotesHub — Design System v2.0
   Typography: Playfair Display (headings) + DM Sans (body)
   Aesthetic: Academic Luxury — warm ivory & deep navy with amber accents
   ═══════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;0,900;1,400;1,600&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300;1,9..40,400&display=swap');

/* ────────────────────────────────────────────────────────────────── */
/*  CSS CUSTOM PROPERTIES — LIGHT MODE                               */
/* ────────────────────────────────────────────────────────────────── */
:root {
  /* Core palette */
  --clr-bg:           #faf8f4;
  --clr-surface:      #ffffff;
  --clr-surface-2:    #f3f0ea;
  --clr-border:       #e2ddd4;
  --clr-border-2:     #cec7ba;

  /* Text */
  --clr-text-primary: #1a1612;
  --clr-text-secondary:#5c5448;
  --clr-text-muted:   #9c8f82;

  /* Brand */
  --clr-navy:         #1a2744;
  --clr-navy-light:   #243258;
  --clr-amber:        #d97706;
  --clr-amber-light:  #fbbf24;
  --clr-amber-pale:   #fef3c7;
  --clr-teal:         #0d7377;
  --clr-teal-light:   #14a8ae;
  --clr-red:          #c0392b;
  --clr-green:        #16a34a;

  /* Navbar */
  --nav-bg:           rgba(26,23,18,0.95);
  --nav-text:         #f5f0e8;
  --nav-link-hover:   #fbbf24;
  --nav-border:       rgba(255,255,255,0.08);

  /* Cards */
  --card-bg:          #ffffff;
  --card-shadow:      0 2px 12px rgba(26,23,18,0.08), 0 1px 3px rgba(26,23,18,0.05);
  --card-shadow-hover:0 12px 40px rgba(26,23,18,0.16), 0 4px 12px rgba(26,23,18,0.08);
  --card-radius:      14px;

  /* Buttons */
  --btn-primary-bg:   #1a2744;
  --btn-primary-text: #ffffff;
  --btn-primary-hover:#243258;
  --btn-secondary-bg: transparent;
  --btn-secondary-border: #1a2744;
  --btn-secondary-text:   #1a2744;

  /* Inputs */
  --input-bg:         #ffffff;
  --input-border:     #d4cfc8;
  --input-focus:      #1a2744;
  --input-radius:     10px;

  /* Hero */
  --hero-bg:          linear-gradient(135deg, #1a2744 0%, #243258 50%, #2d3e6b 100%);
  --hero-text:        #ffffff;

  /* Misc */
  --transition:       0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:  0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --font-heading:     'Playfair Display', Georgia, serif;
  --font-body:        'DM Sans', -apple-system, sans-serif;
}

/* ────────────────────────────────────────────────────────────────── */
/*  DARK MODE OVERRIDES                                              */
/* ────────────────────────────────────────────────────────────────── */
[data-theme="dark"] {
  --clr-bg:           #0f0e0c;
  --clr-surface:      #1a1814;
  --clr-surface-2:    #232017;
  --clr-border:       #2e2a22;
  --clr-border-2:     #3d3830;

  --clr-text-primary: #f0ebe2;
  --clr-text-secondary:#b5aa99;
  --clr-text-muted:   #7a7268;

  --clr-navy:         #3a5299;
  --clr-navy-light:   #4a63b3;
  --clr-amber:        #fbbf24;
  --clr-amber-light:  #fcd34d;
  --clr-amber-pale:   #292215;

  --nav-bg:           rgba(10, 9, 7, 0.97);
  --nav-text:         #f0ebe2;
  --nav-border:       rgba(255,255,255,0.06);

  --card-bg:          #1a1814;
  --card-shadow:      0 2px 12px rgba(0,0,0,0.4), 0 1px 3px rgba(0,0,0,0.3);
  --card-shadow-hover:0 12px 40px rgba(0,0,0,0.6), 0 4px 12px rgba(0,0,0,0.4);

  --btn-primary-bg:   #d97706;
  --btn-primary-text: #1a1612;
  --btn-primary-hover:#b45309;
  --btn-secondary-border: #d97706;
  --btn-secondary-text:   #d97706;

  --input-bg:         #1a1814;
  --input-border:     #3d3830;
  --input-focus:      #fbbf24;

  --hero-bg:          linear-gradient(135deg, #0a0c14 0%, #0f1420 50%, #131a2e 100%);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--clr-bg);
  color: var(--clr-text-primary);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

main, .main-content { flex: 1; }

img { max-width: 100%; height: auto; display: block; }

a {
  color: var(--clr-amber);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--clr-amber-light); }
a:focus-visible { outline: 3px solid var(--clr-amber); outline-offset: 3px; border-radius: 4px; }

ul { list-style: none; }

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--clr-amber);
  color: #000;
  padding: 0.5rem 1rem;
  border-radius: 0 0 8px 8px;
  font-weight: 600;
  z-index: 9999;
  transition: top var(--transition);
}
.skip-link:focus { top: 0; }

/* ────────────────────────────────────────────────────────────────── */
/*  NAVIGATION BAR                                                   */
/* ────────────────────────────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--nav-bg);
  backdrop-filter: blur(16px) saturate(1.5);
  -webkit-backdrop-filter: blur(16px) saturate(1.5);
  border-bottom: 1px solid var(--nav-border);
  transition: background var(--transition-slow);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.02em;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.logo span { color: var(--clr-amber-light); }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.nav-link {
  color: rgba(255,255,255,0.75);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 0.9rem;
  border-radius: 8px;
  transition: all var(--transition);
  position: relative;
  letter-spacing: 0.01em;
}
.nav-link:hover {
  color: #ffffff;
  background: rgba(255,255,255,0.08);
}
.nav-link.active {
  color: var(--clr-amber-light);
  background: rgba(251,191,36,0.1);
}
.nav-link.nav-cta {
  background: var(--clr-amber);
  color: #1a1612 !important;
  font-weight: 600;
  padding: 0.5rem 1.1rem;
}
.nav-link.nav-cta:hover { background: var(--clr-amber-light); }

/* Theme Toggle Button */
.theme-toggle {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  color: #ffffff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition);
  flex-shrink: 0;
}
.theme-toggle:hover {
  background: rgba(255,255,255,0.15);
  transform: rotate(20deg);
}

/* Mobile hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: #ffffff;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
  flex-shrink: 0;
}

/* ────────────────────────────────────────────────────────────────── */
/*  HERO SECTION                                                     */
/* ────────────────────────────────────────────────────────────────── */
.hero {
  background: var(--hero-bg);
  color: var(--hero-text);
  padding: 6rem 2rem 5rem;
  position: relative;
  overflow: hidden;
}

/* Decorative grid overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

/* Amber glow blob */
.hero::after {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(217,119,6,0.18) 0%, transparent 70%);
  top: -150px;
  right: -100px;
  pointer-events: none;
}

.hero-content {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-text { max-width: 580px; }

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(251,191,36,0.15);
  border: 1px solid rgba(251,191,36,0.3);
  color: #fbbf24;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.35rem 0.9rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 4.5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.hero h1 em {
  font-style: italic;
  color: #fbbf24;
}

.hero p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
  margin-bottom: 2rem;
  font-weight: 300;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-card-stack {
  position: relative;
  width: 320px;
  height: 280px;
}

.hero-card-stack .hcard {
  position: absolute;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px;
  padding: 1.5rem;
  backdrop-filter: blur(8px);
}

.hcard:nth-child(1) {
  width: 260px;
  top: 0;
  right: 0;
  transform: rotate(3deg);
  background: rgba(217,119,6,0.15);
  border-color: rgba(217,119,6,0.3);
}
.hcard:nth-child(2) {
  width: 240px;
  bottom: 0;
  left: 0;
  transform: rotate(-2deg);
}
.hcard:nth-child(3) {
  width: 200px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(0.5deg);
  background: rgba(255,255,255,0.1);
}

.hcard-icon { font-size: 2rem; margin-bottom: 0.5rem; }
.hcard-label { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: rgba(255,255,255,0.5); }
.hcard-value { font-size: 1.2rem; font-weight: 700; color: #ffffff; margin-top: 0.2rem; }

/* ────────────────────────────────────────────────────────────────── */
/*  PAGE HEADER (inner pages)                                        */
/* ────────────────────────────────────────────────────────────────── */
.page-header {
  background: var(--hero-bg);
  color: #ffffff;
  padding: 4rem 2rem 3.5rem;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 32px 32px;
}
.page-header-inner {
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.page-header h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}
.page-header p { color: rgba(255,255,255,0.7); font-size: 1.05rem; }

.auth-notice {
  margin-top: 1rem;
  display: inline-block;
  background: rgba(251,191,36,0.15);
  border: 1px solid rgba(251,191,36,0.35);
  border-radius: 8px;
  padding: 0.6rem 1.1rem;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.9);
}
.auth-notice a { color: #fbbf24; font-weight: 600; }

/* ────────────────────────────────────────────────────────────────── */
/*  CONTAINER                                                        */
/* ────────────────────────────────────────────────────────────────── */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

/* ────────────────────────────────────────────────────────────────── */
/*  SECTION HEADINGS                                                 */
/* ────────────────────────────────────────────────────────────────── */
.section-title {
  text-align: center;
  margin-bottom: 3rem;
}
.section-title h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--clr-text-primary);
  margin-bottom: 0.6rem;
}
.section-title p {
  color: var(--clr-text-secondary);
  font-size: 1.05rem;
  max-width: 520px;
  margin: 0 auto;
}
.section-title .title-rule {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1rem;
}
.title-rule::before, .title-rule::after {
  content: '';
  height: 1px;
  width: 60px;
  background: var(--clr-border-2);
}
.title-rule span {
  width: 8px;
  height: 8px;
  background: var(--clr-amber);
  border-radius: 50%;
  display: block;
}

/* ────────────────────────────────────────────────────────────────── */
/*  BUTTONS                                                          */
/* ────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.6rem;
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
  letter-spacing: 0.01em;
}
.btn:focus-visible { outline: 3px solid var(--clr-amber); outline-offset: 3px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  border-color: var(--btn-primary-bg);
}
.btn-primary:hover {
  background: var(--btn-primary-hover);
  border-color: var(--btn-primary-hover);
  color: var(--btn-primary-text);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(26,39,68,0.3);
}

.btn-secondary {
  background: var(--btn-secondary-bg);
  color: var(--btn-secondary-text);
  border-color: var(--btn-secondary-border);
}
.btn-secondary:hover {
  background: var(--btn-primary-bg);
  color: #ffffff;
  border-color: var(--btn-primary-bg);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--clr-text-secondary);
  border-color: var(--clr-border);
}
.btn-ghost:hover {
  background: var(--clr-surface-2);
  color: var(--clr-text-primary);
}

.btn-danger {
  background: transparent;
  color: var(--clr-red);
  border-color: var(--clr-red);
}
.btn-danger:hover { background: var(--clr-red); color: #fff; }

.btn-block { width: 100%; }

.btn-sm { padding: 0.45rem 1rem; font-size: 0.85rem; border-radius: 8px; }
.btn-lg { padding: 0.9rem 2.2rem; font-size: 1.05rem; border-radius: 12px; }

/* Hero buttons override */
.btn-hero-primary {
  background: #fbbf24;
  color: #1a1612;
  border-color: #fbbf24;
}
.btn-hero-primary:hover { background: #fcd34d; border-color: #fcd34d; color: #1a1612; }

.btn-hero-secondary {
  background: rgba(255,255,255,0.1);
  color: #ffffff;
  border-color: rgba(255,255,255,0.3);
}
.btn-hero-secondary:hover { background: rgba(255,255,255,0.18); border-color: rgba(255,255,255,0.5); color: #ffffff; }

/* ────────────────────────────────────────────────────────────────── */
/*  CARDS                                                            */
/* ────────────────────────────────────────────────────────────────── */
.card {
  background: var(--card-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  padding: 1.75rem;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.card:hover {
  box-shadow: var(--card-shadow-hover);
  border-color: var(--clr-border-2);
  transform: translateY(-3px);
}

/* ────────────────────────────────────────────────────────────────── */
/*  FEATURES GRID (index.html)                                       */
/* ────────────────────────────────────────────────────────────────── */
.features-section {
  padding: 5rem 2rem;
  background: var(--clr-bg);
}

.features-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--card-radius);
  padding: 2rem 1.75rem;
  transition: all var(--transition);
  box-shadow: var(--card-shadow);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-amber), var(--clr-amber-light));
  opacity: 0;
  transition: opacity var(--transition);
}
.feature-card:hover {
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-4px);
  border-color: var(--clr-amber-pale);
}
.feature-card:hover::before { opacity: 1; }

.feature-icon {
  font-size: 2.2rem;
  margin-bottom: 1rem;
  display: block;
}
.feature-card h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--clr-text-primary);
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}
.feature-card p {
  font-size: 0.9rem;
  color: var(--clr-text-secondary);
  line-height: 1.6;
}

/* ────────────────────────────────────────────────────────────────── */
/*  NOTES GRID                                                       */
/* ────────────────────────────────────────────────────────────────── */
.featured-section {
  padding: 4rem 2rem;
  background: var(--clr-surface-2);
}

.notes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.note-card {
  background: var(--card-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--card-radius);
  padding: 1.5rem;
  box-shadow: var(--card-shadow);
  transition: all var(--transition);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.note-card:hover {
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-4px);
  border-color: var(--clr-amber);
}

.note-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}
.note-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--clr-text-primary);
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.note-card p {
  font-size: 0.88rem;
  color: var(--clr-text-secondary);
  line-height: 1.6;
  flex: 1;
}

.note-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--clr-text-muted);
  padding-top: 0.75rem;
  border-top: 1px solid var(--clr-border);
}

.see-more {
  text-align: center;
  margin-top: 2.5rem;
}
.see-more a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--clr-navy);
  border-bottom: 2px solid var(--clr-amber);
  padding-bottom: 0.15rem;
  transition: all var(--transition);
}
[data-theme="dark"] .see-more a { color: var(--clr-amber); }
.see-more a:hover { color: var(--clr-amber); gap: 0.7rem; }

/* ────────────────────────────────────────────────────────────────── */
/*  TAGS & BADGES                                                    */
/* ────────────────────────────────────────────────────────────────── */
.tag, .badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.7rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.tag-subject {
  background: var(--clr-amber-pale);
  color: var(--clr-amber);
  border: 1px solid rgba(217,119,6,0.2);
}
[data-theme="dark"] .tag-subject {
  background: rgba(251,191,36,0.1);
  border-color: rgba(251,191,36,0.25);
}

.tag-semester {
  background: var(--clr-surface-2);
  color: var(--clr-text-secondary);
  border: 1px solid var(--clr-border);
}

.tag-year {
  background: rgba(13,115,119,0.1);
  color: var(--clr-teal);
  border: 1px solid rgba(13,115,119,0.2);
}

/* ────────────────────────────────────────────────────────────────── */
/*  FILTERS / SEARCH BAR                                             */
/* ────────────────────────────────────────────────────────────────── */
.filters-bar {
  background: var(--card-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--card-radius);
  padding: 1.25rem 1.5rem;
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
  box-shadow: var(--card-shadow);
}

.search-box {
  display: flex;
  align-items: center;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: 8px;
  padding: 0.55rem 1rem;
  gap: 0.5rem;
  flex: 1;
  min-width: 220px;
  transition: border-color var(--transition);
}
.search-box:focus-within { border-color: var(--input-focus); }
.search-box input {
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--clr-text-primary);
  width: 100%;
}
.search-box input::placeholder { color: var(--clr-text-muted); }
.search-box .search-icon { color: var(--clr-text-muted); font-size: 0.9rem; }

.filter-select {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 8px;
  padding: 0.55rem 2rem 0.55rem 0.9rem;
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--clr-text-primary);
  cursor: pointer;
  outline: none;
  transition: border-color var(--transition);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239c8f82' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
}
.filter-select:focus { border-color: var(--input-focus); }

/* ────────────────────────────────────────────────────────────────── */
/*  FORMS                                                            */
/* ────────────────────────────────────────────────────────────────── */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--clr-text-primary);
  margin-bottom: 0.45rem;
  letter-spacing: 0.01em;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group input[type="file"],
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--input-bg);
  border: 1.5px solid var(--input-border);
  border-radius: var(--input-radius);
  padding: 0.7rem 1rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--clr-text-primary);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--input-focus);
  box-shadow: 0 0 0 3px rgba(26,39,68,0.1);
}
[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group select:focus,
[data-theme="dark"] .form-group textarea:focus {
  box-shadow: 0 0 0 3px rgba(251,191,36,0.15);
}

.form-group textarea { resize: vertical; min-height: 100px; }
.form-group select { appearance: none; cursor: pointer; }
.form-group input[type="file"] { padding: 0.5rem; cursor: pointer; }

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--clr-text-muted); }

/* Checkbox label */
.form-group label.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  font-weight: 400;
}
.form-group label.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  accent-color: var(--clr-navy);
}

/* ────────────────────────────────────────────────────────────────── */
/*  MESSAGES (success / error)                                       */
/* ────────────────────────────────────────────────────────────────── */
.message {
  display: none;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  margin-top: 1rem;
}
.message.success {
  background: rgba(22,163,74,0.1);
  color: var(--clr-green);
  border: 1px solid rgba(22,163,74,0.25);
}
.message.error {
  background: rgba(192,57,43,0.08);
  color: var(--clr-red);
  border: 1px solid rgba(192,57,43,0.2);
}

/* ────────────────────────────────────────────────────────────────── */
/*  AUTH PAGES (login / signup)                                      */
/* ────────────────────────────────────────────────────────────────── */
.auth-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 68px - 80px);
  padding: 3rem 1.5rem;
  background: var(--clr-bg);
}

.auth-box {
  background: var(--card-bg);
  border: 1px solid var(--clr-border);
  border-radius: 20px;
  padding: 2.5rem 2.25rem;
  width: 100%;
  max-width: 460px;
  box-shadow: var(--card-shadow-hover);
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}
.auth-header h2 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--clr-text-primary);
  margin-bottom: 0.4rem;
}
.auth-header p { color: var(--clr-text-secondary); font-size: 0.95rem; }
.auth-header .auth-icon { font-size: 2.8rem; margin-bottom: 0.75rem; }

.auth-divider {
  text-align: center;
  position: relative;
  margin: 1.5rem 0;
}
.auth-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--clr-border);
}
.auth-divider span {
  background: var(--card-bg);
  color: var(--clr-text-muted);
  font-size: 0.8rem;
  padding: 0 0.75rem;
  position: relative;
}

.auth-links {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.9rem;
  color: var(--clr-text-secondary);
}
.auth-links a { font-weight: 600; }

.demo-credentials {
  margin-top: 1.5rem;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  font-size: 0.85rem;
}
.demo-credentials h4 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--clr-text-muted);
  margin-bottom: 0.5rem;
}
.demo-credentials p { color: var(--clr-text-secondary); margin-bottom: 0.2rem; }
.demo-credentials strong { color: var(--clr-text-primary); }

/* ────────────────────────────────────────────────────────────────── */
/*  PYQ PAPERS                                                       */
/* ────────────────────────────────────────────────────────────────── */
.pyq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.pyq-card {
  background: var(--card-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--card-radius);
  padding: 1.5rem;
  box-shadow: var(--card-shadow);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.pyq-card:hover {
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-3px);
  border-color: var(--clr-teal-light);
}

.pyq-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}
.pyq-header h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--clr-text-primary);
  letter-spacing: -0.01em;
}

.pyq-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 1rem;
  font-size: 0.85rem;
}
.pyq-details p { color: var(--clr-text-secondary); }
.pyq-details strong { color: var(--clr-text-primary); }

.pyq-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: auto;
}

/* Login prompt */
.login-prompt {
  display: flex;
  justify-content: center;
  padding: 3rem 1rem;
}
.login-card {
  text-align: center;
  background: var(--card-bg);
  border: 1px solid var(--clr-border);
  border-radius: 20px;
  padding: 3rem 2.5rem;
  max-width: 420px;
  box-shadow: var(--card-shadow-hover);
}
.login-card h2 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}
.login-card p { color: var(--clr-text-secondary); margin-bottom: 1.5rem; }
.login-card .login-icon { font-size: 3rem; margin-bottom: 1rem; }

/* ────────────────────────────────────────────────────────────────── */
/*  RESOURCES PAGE (notes.html)                                      */
/* ────────────────────────────────────────────────────────────────── */
.filter-section {
  background: var(--card-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--card-radius);
  padding: 1.75rem 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
  box-shadow: var(--card-shadow);
}

.filter-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--clr-text-muted);
  margin-bottom: 0.5rem;
}

.select-input {
  width: 100%;
  background: var(--input-bg);
  border: 1.5px solid var(--input-border);
  border-radius: var(--input-radius);
  padding: 0.65rem 2rem 0.65rem 0.9rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--clr-text-primary);
  cursor: pointer;
  outline: none;
  transition: border-color var(--transition);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239c8f82' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
}
.select-input:focus { border-color: var(--input-focus); box-shadow: 0 0 0 3px rgba(26,39,68,0.1); }
.select-input:disabled { opacity: 0.5; cursor: not-allowed; }

.resources-container { min-height: 100px; }

.resources-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.resource-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--card-bg);
  border: 1px solid var(--clr-border);
  border-radius: 12px;
  padding: 1rem 1.5rem;
  color: var(--clr-navy);
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition);
  box-shadow: var(--card-shadow);
}
/* Prevent the global `a:hover { color: amber }` and browser :visited styles from changing card color */
.resource-link:link,
.resource-link:visited,
.resource-link:active {
  color: var(--clr-navy);
  text-decoration: none;
}
[data-theme="dark"] .resource-link,
[data-theme="dark"] .resource-link:link,
[data-theme="dark"] .resource-link:visited,
[data-theme="dark"] .resource-link:active { color: var(--clr-amber); }
.resource-link:hover {
  background: var(--clr-navy);
  color: #ffffff !important;
  border-color: var(--clr-navy);
  transform: translateX(4px);
  box-shadow: var(--card-shadow-hover);
}
[data-theme="dark"] .resource-link:hover {
  background: var(--clr-amber);
  color: #1a1612 !important;
  border-color: var(--clr-amber);
}

/* ────────────────────────────────────────────────────────────────── */
/*  ADMIN PANEL                                                      */
/* ────────────────────────────────────────────────────────────────── */
.admin-container {
  max-width: 1100px;
  margin: 0 auto;
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}
.admin-header h1 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--clr-text-primary);
}

.analytics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--card-radius);
  padding: 1.5rem;
  box-shadow: var(--card-shadow);
  transition: all var(--transition);
}
.stat-card:hover { box-shadow: var(--card-shadow-hover); transform: translateY(-2px); }
.stat-card-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.stat-card-value {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--clr-text-primary);
  line-height: 1;
  margin-bottom: 0.3rem;
  letter-spacing: -0.03em;
}
.stat-card-label {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--clr-text-muted);
}

/* Admin tabs */
.admin-tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: 12px;
  padding: 0.5rem;
}

.tab-button {
  background: transparent;
  border: none;
  color: var(--clr-text-secondary);
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.6rem 1.1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.tab-button:hover { background: var(--card-bg); color: var(--clr-text-primary); }
.tab-button.active {
  background: var(--card-bg);
  color: var(--clr-navy);
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}
[data-theme="dark"] .tab-button.active { color: var(--clr-amber); }

.tab-pane { display: none; }
.tab-pane.active { display: block; }
.tab-pane h2 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--clr-text-primary);
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}

.tab-form-card {
  background: var(--card-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--card-radius);
  padding: 2rem;
  box-shadow: var(--card-shadow);
}

.admin-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: var(--card-bg);
  border: 1px solid var(--clr-border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 0.75rem;
  box-shadow: var(--card-shadow);
  transition: all var(--transition);
}
.admin-item:hover { border-color: var(--clr-border-2); box-shadow: var(--card-shadow-hover); }
.admin-item .item-info h4 {
  font-weight: 700;
  color: var(--clr-text-primary);
  margin-bottom: 0.2rem;
  font-size: 0.95rem;
}
.admin-item .item-info p { font-size: 0.85rem; color: var(--clr-text-secondary); }
.admin-item .item-info .small-text { font-size: 0.78rem; color: var(--clr-text-muted); }

/* Admin login screen */
.admin-login {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 200px);
  padding: 3rem 1.5rem;
}

/* ────────────────────────────────────────────────────────────────── */
/*  NOTE DETAIL PAGE                                                 */
/* ────────────────────────────────────────────────────────────────── */
.detail-page {
  max-width: 800px;
  margin: 0 auto;
}

.breadcrumb {
  margin-bottom: 1.75rem;
}
.breadcrumb a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--clr-text-secondary);
  transition: color var(--transition);
}
.breadcrumb a:hover { color: var(--clr-text-primary); }

.note-detail-content {
  background: var(--card-bg);
  border: 1px solid var(--clr-border);
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: var(--card-shadow);
  margin-bottom: 1.5rem;
}

.note-header-detail h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--clr-text-primary);
  margin-bottom: 1rem;
  line-height: 1.25;
}

.note-meta-detail {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.note-body h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--clr-text-primary);
  margin: 1.5rem 0 0.75rem;
}
.note-body p { color: var(--clr-text-secondary); line-height: 1.75; }
.note-body hr {
  border: none;
  border-top: 1px solid var(--clr-border);
  margin: 1.5rem 0;
}

.content-preview {
  background: var(--clr-surface-2);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  font-size: 0.9rem;
  color: var(--clr-text-secondary);
  line-height: 1.7;
  border: 1px solid var(--clr-border);
  font-family: 'Courier New', monospace;
}

.note-stats-detail {
  display: flex;
  gap: 1.5rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--clr-border);
}
.note-stats-detail .stat {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--clr-text-secondary);
}

.note-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.ratings-section {
  background: var(--card-bg);
  border: 1px solid var(--clr-border);
  border-radius: 16px;
  padding: 1.75rem;
  box-shadow: var(--card-shadow);
}
.ratings-section h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--clr-text-primary);
  margin-bottom: 1rem;
}

.star-rating { display: flex; gap: 0.35rem; }
.star {
  font-size: 1.75rem;
  cursor: pointer;
  transition: transform var(--transition);
  filter: grayscale(0.7) opacity(0.6);
}
.star:hover, .star.active {
  filter: grayscale(0) opacity(1);
  transform: scale(1.25);
}

/* ────────────────────────────────────────────────────────────────── */
/*  NO CONTENT / EMPTY STATES                                        */
/* ────────────────────────────────────────────────────────────────── */
.no-content {
  text-align: center;
  padding: 3rem;
  color: var(--clr-text-muted);
  font-size: 0.95rem;
}
.no-content p { margin-bottom: 1rem; }

/* ────────────────────────────────────────────────────────────────── */
/*  FOOTER                                                           */
/* ────────────────────────────────────────────────────────────────── */
footer {
  background: #111009;
  color: rgba(255,255,255,0.75);
  padding: 4rem 2rem 2rem;
  margin-top: auto;
}
[data-theme="dark"] footer { background: #070706; }

.footer-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .logo-footer {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.75rem;
}
.footer-brand p { font-size: 0.9rem; line-height: 1.65; color: rgba(255,255,255,0.55); max-width: 300px; }

.footer-col h4 {
  color: rgba(255,255,255,0.9);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
}
.footer-col-links { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col-links a {
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
  transition: color var(--transition);
}
.footer-col-links a:hover { color: #fbbf24; }
.footer-col p { font-size: 0.9rem; color: rgba(255,255,255,0.5); margin-bottom: 0.4rem; }

.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.3);
}
.footer-bottom a { color: rgba(255,255,255,0.45); }
.footer-bottom a:hover { color: #fbbf24; }

/* Simple footer for auth pages */
.footer-simple {
  background: #111009;
  padding: 1.5rem 2rem;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.3);
}

/* ────────────────────────────────────────────────────────────────── */
/*  UTILITY CLASSES                                                  */
/* ────────────────────────────────────────────────────────────────── */
.text-center { text-align: center; }
.text-muted { color: var(--clr-text-muted); }
.fw-bold { font-weight: 700; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }

/* ────────────────────────────────────────────────────────────────── */
/*  ANIMATIONS                                                       */
/* ────────────────────────────────────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

.animate-fade-in-up {
  animation: fadeInUp 0.5s ease both;
}
.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }

/* ────────────────────────────────────────────────────────────────── */
/*  RESPONSIVE — TABLET (≤ 1024px)                                   */
/* ────────────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-visual { display: none; }
  .hero h1 { font-size: clamp(2rem, 4vw, 3rem); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

/* ────────────────────────────────────────────────────────────────── */
/*  RESPONSIVE — MOBILE (≤ 768px)                                    */
/* ────────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-container { padding: 0 1.25rem; }

  .nav-menu {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(10, 9, 7, 0.98);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 1.25rem 1.5rem;
    gap: 0.25rem;
  }
  .nav-menu.open { display: flex; }
  .nav-link { width: 100%; padding: 0.7rem 0.9rem; }
  .nav-toggle { display: block; }

  .hero { padding: 4rem 1.5rem 3.5rem; }
  .hero h1 { font-size: 2rem; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { width: 100%; justify-content: center; }

  .container { padding: 2rem 1.25rem; }

  .features-grid { grid-template-columns: 1fr; }
  .notes-grid { grid-template-columns: 1fr; }
  .pyq-grid { grid-template-columns: 1fr; }

  .admin-tabs { overflow-x: auto; padding-bottom: 0.5rem; }
  .admin-header { flex-direction: column; align-items: flex-start; }

  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .auth-box { padding: 2rem 1.5rem; }
  .filter-section { grid-template-columns: 1fr; }
  .filters-bar { flex-direction: column; align-items: stretch; }

  .note-detail-content { padding: 1.75rem 1.25rem; }
  .note-actions { flex-direction: column; }
  .note-actions .btn { width: 100%; justify-content: center; }
}

/* ────────────────────────────────────────────────────────────────── */
/*  RESPONSIVE — SMALL MOBILE (≤ 480px)                              */
/* ────────────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
  .analytics-grid { grid-template-columns: 1fr 1fr; }
  .pyq-details { grid-template-columns: 1fr; }
  .pyq-actions { flex-direction: column; }
  .pyq-actions .btn { width: 100%; justify-content: center; }
  .tab-button { font-size: 0.82rem; padding: 0.5rem 0.8rem; }
}

/* ────────────────────────────────────────────────────────────────── */
/*  REDUCED MOTION PREFERENCE                                        */
/* ────────────────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ────────────────────────────────────────────────────────────────── */
/*  HIGH CONTRAST FOCUS INDICATORS                                   */
/* ────────────────────────────────────────────────────────────────── */
:focus-visible {
  outline: 3px solid var(--clr-amber);
  outline-offset: 3px;
}
button:focus-visible, a:focus-visible { border-radius: 4px; }

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.logo-img {
  width: 28px;
  height: 28px;
}