/* ===================================================================
   BIBLIOTECA VIRTUAL — CYBERPUNK DARK THEME
   Primary: #B026FF (Neon Purple)
   =================================================================== */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=IBM+Plex+Mono:wght@300;400;500;600&family=VT323&display=swap');

/* ─── CSS VARIABLES ─────────────────────────────────────────────── */
:root {
  --bg-primary:       #0a0a0f;
  --bg-secondary:     #0f0f1a;
  --bg-card:          #13131f;
  --accent-primary:   #B026FF;
  --accent-secondary: #7B2FBE;
  --accent-glow:      rgba(176, 38, 255, 0.4);
  --accent-glow-lg:   rgba(176, 38, 255, 0.15);
  --text-primary:     #e8e8ff;
  --text-muted:       #7a7a9a;
  --border:           rgba(176, 38, 255, 0.2);
  --border-hover:     rgba(176, 38, 255, 0.5);
  --success:          #00ff88;
  --danger:           #ff3366;
  --warning:          #ffaa00;
  --info:             #00d4ff;
  --font-heading:     'Share Tech Mono', monospace;
  --font-body:        'IBM Plex Mono', monospace;
  --font-display:     'VT323', monospace;
  --radius:           4px;
  --transition:       0.2s ease;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  background-image:
    radial-gradient(ellipse at 20% 20%, rgba(176, 38, 255, 0.04) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 80%, rgba(123, 47, 190, 0.04) 0%, transparent 60%);
}

a { color: var(--accent-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--text-primary); }

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

/* ─── GLITCH KEYFRAMES ──────────────────────────────────────────── */
@keyframes glitch-skew {
  0%   { transform: skew(0deg); }
  20%  { transform: skew(-1deg); }
  40%  { transform: skew(0.5deg); }
  60%  { transform: skew(-0.5deg); }
  80%  { transform: skew(1deg); }
  100% { transform: skew(0deg); }
}

@keyframes glitch-clip-1 {
  0%   { clip-path: inset(0 0 95% 0); transform: translate(-2px, 0); }
  25%  { clip-path: inset(30% 0 50% 0); transform: translate(2px, 0); }
  50%  { clip-path: inset(70% 0 5% 0); transform: translate(-1px, 0); }
  75%  { clip-path: inset(10% 0 80% 0); transform: translate(1px, 0); }
  100% { clip-path: inset(0 0 95% 0); transform: translate(0, 0); }
}

@keyframes glitch-clip-2 {
  0%   { clip-path: inset(50% 0 30% 0); transform: translate(2px, 0); }
  33%  { clip-path: inset(80% 0 5% 0); transform: translate(-2px, 0); }
  66%  { clip-path: inset(5% 0 70% 0); transform: translate(1px, 0); }
  100% { clip-path: inset(50% 0 30% 0); transform: translate(0, 0); }
}

@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 5px var(--accent-glow), 0 0 20px var(--accent-glow-lg); }
  50%       { box-shadow: 0 0 10px var(--accent-glow), 0 0 40px var(--accent-glow-lg), 0 0 60px rgba(176,38,255,0.08); }
}

@keyframes scanline {
  0%   { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}

/* ─── GLITCH CLASS (aplicar en h1, logo) ────────────────────────── */
.glitch {
  position: relative;
  display: inline-block;
}
.glitch:hover {
  animation: glitch-skew 0.3s ease 2;
}
.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.glitch:hover::before {
  color: #ff004f;
  animation: glitch-clip-1 0.3s steps(1) 2;
}
.glitch:hover::after {
  color: #00d4ff;
  animation: glitch-clip-2 0.3s steps(1) 2;
}

/* ─── PERIODIC GLITCH (para logo) ──────────────────────────────── */
.glitch-auto {
  animation: glitch-skew 0.3s ease 2;
  animation-delay: 8s;
  animation-iteration-count: infinite;
  animation-play-state: running;
}

/* ─── SCROLLBAR ─────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--accent-secondary); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-primary); }

/* ─── NAVBAR ────────────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  flex-shrink: 0;
}
.navbar-logo {
  height: 40px;
  width: auto;
  object-fit: contain;
}
.navbar-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--accent-primary);
  letter-spacing: 2px;
  text-transform: uppercase;
  display: none;
}
@media (min-width: 640px) { .navbar-title { display: block; } }

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  flex-wrap: wrap;
}
.navbar-nav a {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius);
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: all var(--transition);
  border: 1px solid transparent;
}
.navbar-nav a:hover,
.navbar-nav a.active {
  color: var(--accent-primary);
  border-color: var(--border);
  background: rgba(176, 38, 255, 0.08);
}

.navbar-user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}
.navbar-alias {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 1px;
}
.navbar-alias span { color: var(--accent-primary); }

/* ─── LAYOUT ────────────────────────────────────────────────────── */
.page-wrapper {
  padding-top: 64px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.main-content {
  flex: 1;
  padding: 2rem 1.5rem;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

/* ─── SIDEBAR LAYOUT ────────────────────────────────────────────── */
.library-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 2rem;
  align-items: start;
}
@media (max-width: 900px) {
  .library-layout { grid-template-columns: 1fr; }
}

.sidebar {
  position: sticky;
  top: 80px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.sidebar-title {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

/* ─── BUTTONS ────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1.4;
}
.btn:hover { text-decoration: none; }

.btn-primary {
  background: var(--accent-primary);
  color: #fff;
  border-color: var(--accent-primary);
  box-shadow: 0 0 12px var(--accent-glow);
}
.btn-primary:hover {
  background: var(--accent-secondary);
  border-color: var(--accent-secondary);
  box-shadow: 0 0 24px var(--accent-glow), 0 0 48px var(--accent-glow-lg);
  color: #fff;
  animation: glitch-skew 0.3s ease 1;
}

.btn-secondary {
  background: transparent;
  color: var(--accent-primary);
  border-color: var(--border-hover);
}
.btn-secondary:hover {
  background: rgba(176, 38, 255, 0.1);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.btn-danger {
  background: transparent;
  color: var(--danger);
  border-color: rgba(255, 51, 102, 0.3);
}
.btn-danger:hover {
  background: rgba(255, 51, 102, 0.1);
  border-color: var(--danger);
  color: var(--danger);
}

.btn-success {
  background: transparent;
  color: var(--success);
  border-color: rgba(0, 255, 136, 0.3);
}
.btn-success:hover {
  background: rgba(0, 255, 136, 0.1);
  border-color: var(--success);
}

.btn-sm { padding: 0.25rem 0.75rem; font-size: 0.7rem; }
.btn-lg { padding: 0.75rem 2rem; font-size: 0.9rem; }
.btn-icon { padding: 0.4rem; width: 36px; height: 36px; justify-content: center; }

/* ─── FORMS ─────────────────────────────────────────────────────── */
.form-group { margin-bottom: 1.25rem; }
.form-label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}
.form-control {
  display: block;
  width: 100%;
  padding: 0.6rem 0.875rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-primary);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
}
.form-control:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px var(--accent-glow-lg);
}
.form-control::placeholder { color: var(--text-muted); opacity: 0.6; }

select.form-control {
  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 fill='%237a7a9a' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}

.form-text { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.25rem; }
.form-error { font-size: 0.75rem; color: var(--danger); margin-top: 0.25rem; }

/* Checkbox personalizado */
.form-check { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.5rem; }
.form-check-input {
  width: 14px; height: 14px;
  accent-color: var(--accent-primary);
  cursor: pointer;
}
.form-check-label { font-size: 0.85rem; color: var(--text-primary); cursor: pointer; }

/* ─── CARDS ─────────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 4px 24px var(--accent-glow-lg);
}
.card-body { padding: 1.25rem; }
.card-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-heading);
  font-size: 0.8rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent-primary);
}
.card-footer {
  padding: 0.875rem 1.25rem;
  border-top: 1px solid var(--border);
}

/* ─── PDF CARDS ──────────────────────────────────────────────────── */
.pdf-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
}

.pdf-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}
.pdf-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 8px 32px var(--accent-glow-lg);
  transform: translateY(-2px);
}

.pdf-cover {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  background: var(--bg-secondary);
}
.pdf-cover-placeholder {
  width: 100%;
  aspect-ratio: 3/4;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  color: var(--text-muted);
  font-size: 3rem;
}

.pdf-card-body {
  padding: 1rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.pdf-card-title {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  color: var(--text-primary);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.pdf-card-author {
  font-size: 0.75rem;
  color: var(--accent-primary);
}
.pdf-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
}
.pdf-downloads {
  font-size: 0.7rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* ─── BADGES ─────────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  font-size: 0.65rem;
  font-family: var(--font-heading);
  letter-spacing: 1px;
  text-transform: uppercase;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  color: var(--text-muted);
  background: var(--bg-secondary);
}
.badge-accent {
  color: var(--accent-primary);
  border-color: var(--border-hover);
  background: rgba(176, 38, 255, 0.1);
}
.badge-success { color: var(--success); border-color: rgba(0, 255, 136, 0.3); }
.badge-danger  { color: var(--danger);  border-color: rgba(255, 51, 102, 0.3); }
.badge-warning { color: var(--warning); border-color: rgba(255, 170, 0, 0.3); }

.genres-wrap { display: flex; flex-wrap: wrap; gap: 0.3rem; }

/* ─── FAVORITE BUTTON ────────────────────────────────────────────── */
.btn-fav {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  padding: 0.25rem;
  transition: transform var(--transition), color var(--transition);
  color: var(--text-muted);
  line-height: 1;
}
.btn-fav.active { color: var(--accent-primary); }
.btn-fav:hover { transform: scale(1.2); color: var(--accent-primary); }

/* ─── TABLES ─────────────────────────────────────────────────────── */
.table-wrapper { overflow-x: auto; }
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.table th {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent-primary);
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  white-space: nowrap;
}
.table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(176, 38, 255, 0.08);
  color: var(--text-primary);
  vertical-align: middle;
}
.table tbody tr:hover { background: rgba(176, 38, 255, 0.04); }

/* ─── ALERTS ─────────────────────────────────────────────────────── */
.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  border: 1px solid;
  font-size: 0.85rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}
.alert-success {
  background: rgba(0, 255, 136, 0.08);
  border-color: rgba(0, 255, 136, 0.3);
  color: var(--success);
}
.alert-danger {
  background: rgba(255, 51, 102, 0.08);
  border-color: rgba(255, 51, 102, 0.3);
  color: var(--danger);
}
.alert-warning {
  background: rgba(255, 170, 0, 0.08);
  border-color: rgba(255, 170, 0, 0.3);
  color: var(--warning);
}
.alert-info {
  background: rgba(0, 212, 255, 0.08);
  border-color: rgba(0, 212, 255, 0.3);
  color: var(--info);
}

/* ─── PAGINATION ─────────────────────────────────────────────────── */
.pagination { display: flex; gap: 0.25rem; flex-wrap: wrap; justify-content: center; margin-top: 2rem; }
.page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-secondary);
  transition: all var(--transition);
  text-decoration: none;
}
.page-link:hover, .page-link.active {
  color: var(--accent-primary);
  border-color: var(--border-hover);
  background: rgba(176, 38, 255, 0.1);
}
.page-link.disabled { opacity: 0.4; pointer-events: none; }

/* ─── SECTION HEADINGS ───────────────────────────────────────────── */
.section-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--text-primary);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
  position: relative;
}
.section-title::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0;
  width: 60px; height: 2px;
  background: var(--accent-primary);
  box-shadow: 0 0 8px var(--accent-glow);
}

/* ─── AUTH PAGES ─────────────────────────────────────────────────── */
.auth-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}
.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.auth-header {
  padding: 2rem 2rem 1.5rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.auth-logo {
  height: 56px;
  width: auto;
  margin: 0 auto 1rem;
}
.auth-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--accent-primary);
  letter-spacing: 3px;
  text-transform: uppercase;
}
.auth-body { padding: 2rem; }
.auth-footer {
  padding: 1rem 2rem;
  text-align: center;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ─── COMMENTS ───────────────────────────────────────────────────── */
.comment-list { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.5rem; }
.comment-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
}
.comment-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  gap: 0.5rem;
}
.comment-alias {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  color: var(--accent-primary);
  letter-spacing: 1px;
}
.comment-date { font-size: 0.7rem; color: var(--text-muted); }
.comment-body { font-size: 0.875rem; color: var(--text-primary); line-height: 1.6; white-space: pre-wrap; }

/* ─── PDF VIEWER ─────────────────────────────────────────────────── */
.pdf-viewer-wrapper {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
}
.pdf-viewer-wrapper canvas { width: 100% !important; height: auto !important; }

/* ─── STATS CARDS ────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
}
.stat-value {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--accent-primary);
  line-height: 1;
  text-shadow: 0 0 20px var(--accent-glow);
}
.stat-label {
  font-family: var(--font-heading);
  font-size: 0.65rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 0.4rem;
}

/* ─── ADMIN SIDEBAR ──────────────────────────────────────────────── */
.admin-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: calc(100vh - 64px);
}
@media (max-width: 768px) { .admin-layout { grid-template-columns: 1fr; } }

.admin-sidebar {
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  padding: 1.5rem 0;
  position: sticky;
  top: 64px;
  height: calc(100vh - 64px);
  overflow-y: auto;
}
.admin-sidebar-title {
  font-family: var(--font-heading);
  font-size: 0.65rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0.5rem 1.25rem;
  margin-top: 1rem;
}
.admin-nav a {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1.25rem;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  letter-spacing: 1px;
  color: var(--text-muted);
  text-transform: uppercase;
  transition: all var(--transition);
  border-left: 2px solid transparent;
}
.admin-nav a:hover,
.admin-nav a.active {
  color: var(--accent-primary);
  background: rgba(176, 38, 255, 0.08);
  border-left-color: var(--accent-primary);
}
.admin-content { padding: 2rem; overflow-x: hidden; }

/* ─── CHART BARS ─────────────────────────────────────────────────── */
.chart-bar-wrap {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  height: 120px;
  padding: 0.5rem 0;
}
.chart-bar-col { display: flex; flex-direction: column; align-items: center; gap: 0.25rem; flex: 1; }
.chart-bar {
  width: 100%;
  background: linear-gradient(to top, var(--accent-primary), var(--accent-secondary));
  border-radius: 2px 2px 0 0;
  min-height: 2px;
  box-shadow: 0 0 8px var(--accent-glow);
  transition: height 0.5s ease;
}
.chart-bar-label { font-size: 0.6rem; color: var(--text-muted); font-family: var(--font-heading); }

/* ─── MODAL ──────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition);
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-width: 500px; width: 100%;
  padding: 1.5rem;
}
.modal-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: 1rem;
}

/* ─── FOOTER ─────────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 1.25rem 2rem;
  text-align: center;
  font-family: var(--font-heading);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.footer span { color: var(--accent-primary); }

/* ─── UTILITY ────────────────────────────────────────────────────── */
.text-accent  { color: var(--accent-primary) !important; }
.text-muted   { color: var(--text-muted) !important; }
.text-success { color: var(--success) !important; }
.text-danger  { color: var(--danger) !important; }
.text-center  { text-align: center; }
.text-right   { text-align: right; }
.d-flex       { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.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; }
.w-100 { width: 100%; }
.hidden { display: none; }

/* ─── LOADING SPINNER ────────────────────────────────────────────── */
.spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── TERMINAL CURSOR ────────────────────────────────────────────── */
.cursor::after {
  content: '▮';
  color: var(--accent-primary);
  animation: blink 1s step-end infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* ─── ERROR PAGES ────────────────────────────────────────────────── */
.error-page {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center; flex-direction: column;
  text-align: center; padding: 2rem;
  gap: 1rem;
}
.error-code {
  font-family: var(--font-display);
  font-size: 8rem;
  color: var(--accent-primary);
  text-shadow: 0 0 30px var(--accent-glow), 0 0 60px var(--accent-glow-lg);
  line-height: 1;
}
.error-msg {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--text-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
}