/* assets/css/admin.css */

/* ═══ TOKENS ═══════════════════════════════════════════════════ */
:root {
  --font-display: 'Helvetica Neue','Arial Black', sans-serif;
  --ink: #0A0A0A;
  --cream: #EDEDEB;
  --muted: #6B6B6B;
  --line: #D9D9D9;
  --accent: #E63946;
  --success: #2D9D5A;
  --warn: #E8A838;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { background: var(--cream); color: var(--ink); font-family: var(--font-display); margin: 0; padding: 0; overflow-x: hidden; }

/* ═══ LOADER ════════════════════════════════════════════════════ */
#global-loader { position: fixed; inset: 0; background: var(--cream); z-index: 10000; display: flex; flex-direction: column; align-items: center; justify-content: center; transition: opacity 0.4s; }
#global-loader.hidden { opacity: 0; pointer-events: none; }
.loader-spinner { width: 24px; height: 24px; border: 2px solid var(--line); border-top-color: var(--ink); border-radius: 50%; animation: spin 0.8s linear infinite; margin-bottom: 16px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ═══ GRAIN ════════════════════════════════════════════════════ */
.grain { position: fixed; top: -50%; left: -50%; width: 200%; height: 200%; z-index: 1; pointer-events: none; opacity: 0.05; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); background-size: 256px; animation: grain-dance 0.4s steps(4) infinite; }
@keyframes grain-dance { 0%{transform:translate(0,0)} 25%{transform:translate(-2%,-2%)} 50%{transform:translate(1%,-1%)} 75%{transform:translate(-1%,2%)} 100%{transform:translate(0,0)} }

/* ═══ TYPOGRAPHY UTILS ══════════════════════════════════════════ */
.ml { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
.sid { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: .15em; text-transform: uppercase; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.sid::before { content: '●'; font-size: 7px; }

/* ═══ BUTTONS ═══════════════════════════════════════════════════ */
.pill-dark { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--ink); color: var(--cream); border-radius: 9999px; padding: 10px 24px; font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: .18em; text-transform: uppercase; text-decoration: none; border: none; transition: opacity .2s; cursor: pointer; }
.pill-dark:hover { opacity: .8; }
.pill-dark.danger { background: var(--accent); }
.pill-dark.success { background: var(--success); }
.pill-outline { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: transparent; color: var(--ink); border-radius: 9999px; padding: 10px 24px; font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: .18em; text-transform: uppercase; text-decoration: none; border: 1px solid var(--line); transition: border-color .2s; cursor: pointer; }
.pill-outline:hover { border-color: var(--ink); }
.pill-sm { padding: 6px 14px; font-size: 9px; }

/* ═══ APP SHELL ══════════════════════════════════════════════════ */
#app-topbar { position: fixed; top: 0; left: 0; right: 0; height: 64px; border-bottom: 1px solid var(--line); background: var(--cream); z-index: 1002; display: flex; align-items: center; justify-content: space-between; padding: 0 24px; }
#app-sidebar { position: fixed; top: 64px; left: 0; bottom: 0; width: 240px; border-right: 1px solid var(--line); background: var(--cream); z-index: 1001; display: flex; flex-direction: column; padding: 24px 16px 80px; overflow-y: auto; gap: 32px; transition: width 0.3s cubic-bezier(0.4,0,0.2,1), padding 0.3s ease; }
.sidebar-section { display: flex; flex-direction: column; gap: 4px; }
.sidebar-title { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; padding-left: 12px; transition: opacity 0.2s; white-space: nowrap; }
.nav-item { display: flex; align-items: center; gap: 16px; padding: 12px; border-radius: 8px; cursor: pointer; color: var(--ink); text-decoration: none; transition: background 0.2s; font-size: 14px; font-weight: 500; white-space: nowrap; overflow: hidden; }
.nav-item:hover { background: rgba(0,0,0,0.04); }
.nav-item.active { background: rgba(0,0,0,0.08); font-weight: 700; }
.nav-item svg { color: var(--muted); flex-shrink: 0; }
.nav-item.active svg { color: var(--ink); }
.nav-badge { background: var(--accent); color: #fff; border-radius: 999px; padding: 2px 7px; font-family: 'JetBrains Mono', monospace; font-size: 9px; margin-left: auto; }

.sidebar-bottom-switch {
  position: absolute;
  bottom: 20px;
  left: 16px;
  right: 16px;
  background: var(--cream);
}

body.collapsed #app-sidebar { width: 76px; padding: 24px 12px 80px; }
body.collapsed .sidebar-bottom-switch {
  left: 12px;
  right: 12px;
}
body.collapsed .sidebar-title { opacity: 0; height: 0; margin: 0; overflow: hidden; }
body.collapsed .nav-item { justify-content: center; padding: 12px 0; }
body.collapsed .nav-item span { display: none; }
body.collapsed .nav-badge { display: none; }

.app-page { padding-top: 64px; padding-left: 240px; min-height: 100dvh; display: none; position: relative; z-index: 2; transition: padding-left 0.3s cubic-bezier(0.4,0,0.2,1); }
body.collapsed .app-page { padding-left: 76px; }
.app-page.active { display: block; }
.page-inner { padding: 40px 40px 80px; max-width: 1400px; }

/* ═══ PAGE HEADER ════════════════════════════════════════════════ */
.page-header { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 32px; padding-bottom: 24px; border-bottom: 1px solid var(--line); flex-wrap: wrap; gap: 16px; }
.page-header h1 { font-size: 28px; font-weight: 900; letter-spacing: -0.03em; margin: 4px 0 0; }

/* ═══ STAT CARDS ════════════════════════════════════════════════ */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; margin-bottom: 32px; }
.stat-card { padding: 24px; border-right: 1px solid var(--line); }
.stat-card:last-child { border-right: none; }
.stat-value { font-size: 36px; font-weight: 900; letter-spacing: -0.04em; line-height: 1; margin-bottom: 6px; }
.stat-label { font-family: 'JetBrains Mono', monospace; font-size: 9px; text-transform: uppercase; letter-spacing: 0.15em; color: var(--muted); }
.stat-delta { font-family: 'JetBrains Mono', monospace; font-size: 9px; margin-top: 4px; }
.stat-delta.up { color: var(--success); }

/* ═══ CARDS ══════════════════════════════════════════════════════ */
.card { border: 1px solid var(--line); border-radius: 12px; background: rgba(255,255,255,0.35); overflow: hidden; }
.card-header { padding: 20px 24px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; }
.card-title { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; }
.card-body { padding: 24px; }

/* ═══ DATA TABLE ════════════════════════════════════════════════ */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th { font-family: 'JetBrains Mono', monospace; font-size: 9px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--muted); padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
.data-table td { font-family: 'JetBrains Mono', monospace; font-size: 10px; padding: 12px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: rgba(0,0,0,0.02); }
.table-wrap { overflow-x: auto; }

/* ═══ BADGES ════════════════════════════════════════════════════ */
.badge { display: inline-flex; align-items: center; padding: 3px 10px; border-radius: 999px; font-family: 'JetBrains Mono', monospace; font-size: 9px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; }
.badge-admin { background: var(--ink); color: var(--cream); }
.badge-alumno { background: var(--line); color: var(--muted); }
.badge-estreno { background: var(--accent); color: #fff; }
.badge-active { background: rgba(45,157,90,0.12); color: var(--success); }

/* ═══ PROGRESS BAR ══════════════════════════════════════════════ */
.progress-wrap { display: flex; align-items: center; gap: 10px; }
.progress-track { flex: 1; height: 4px; background: var(--line); border-radius: 2px; min-width: 80px; }
.progress-fill { height: 100%; background: var(--ink); border-radius: 2px; }

/* ═══ FORMS ══════════════════════════════════════════════════════ */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid.col3 { grid-template-columns: 1fr 1fr 1fr; }
.form-group { display: flex; flex-direction: column; gap: 4px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-family: 'JetBrains Mono', monospace; font-size: 9px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--muted); }
.form-group input, .form-group select, .form-group textarea {
  background: transparent; border: none; border-bottom: 1px solid var(--line); padding: 9px 0;
  color: var(--ink); font-family: var(--font-display); font-size: 14px; outline: none; border-radius: 0; resize: vertical;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--ink); }
.form-group input[type="checkbox"] { width: auto; accent-color: var(--ink); cursor: pointer; }
.check-row { display: flex; align-items: center; gap: 10px; padding-top: 8px; }
.check-row label { font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--ink); text-transform: uppercase; letter-spacing: 0.1em; cursor: pointer; }

/* ═══ MODAL ══════════════════════════════════════════════════════ */
.modal-overlay { position: fixed; top: 64px; left: 240px; right: 0; bottom: 0; background: rgba(10,10,10,0.5); z-index: 1100; display: flex; align-items: center; justify-content: center; padding: 24px; backdrop-filter: blur(4px); opacity: 0; pointer-events: none; transition: opacity 0.3s ease, left 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
body.collapsed .modal-overlay { left: 76px; }
@media (max-width: 900px) { .modal-overlay { left: 0; top: 64px; } }
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal { background: var(--cream); border: 1px solid var(--line); border-radius: 16px; width: 100%; max-width: 600px; max-height: 85dvh; overflow-y: auto; padding: 32px; position: relative; opacity: 0; transform: translateY(30px); transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1); }
.modal-overlay.open .modal { opacity: 1; transform: translateY(0); transition-delay: 0.15s; }
.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.modal-title { font-size: 16px; font-weight: 900; letter-spacing: -0.02em; text-transform: uppercase; }
.modal-close { background: none; border: none; cursor: pointer; color: var(--muted); font-size: 20px; line-height: 1; padding: 4px; }
.modal-close:hover { color: var(--ink); }
.modal-footer { display: flex; gap: 12px; justify-content: flex-end; margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line); }

/* ═══ SEARCH & FILTER BAR ════════════════════════════════════════ */
.toolbar { display: flex; gap: 12px; margin-bottom: 20px; align-items: center; flex-wrap: wrap; }
.search-box { display: flex; align-items: center; background: rgba(0,0,0,0.04); border: 1px solid rgba(0,0,0,0.08); border-radius: 999px; padding: 0 16px; height: 38px; gap: 8px; flex: 1; min-width: 200px; }
.search-box input { border: none; background: transparent; outline: none; font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--ink); width: 100%; }
.search-box svg { color: var(--muted); flex-shrink: 0; }

/* ═══ TOAST ══════════════════════════════════════════════════════ */
#toast-root {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 350px;
  width: calc(100% - 48px);
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background: #0A0A0A;
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 12px 24px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 12px;
  border-radius: 9999px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast.toast-show {
  transform: translateY(0);
  opacity: 1;
}

.toast.toast-fade-out {
  opacity: 0;
  transform: scale(0.9);
}

.toast-icon {
  font-size: 14px;
  flex-shrink: 0;
}

.toast-success {
  color: #FFFFFF;
}

.toast-success .toast-icon {
  color: #FFFFFF;
}

.toast-error {
  color: #EF4444;
  border-color: rgba(239, 68, 68, 0.3);
}

.toast-error .toast-icon {
  color: #EF4444;
}

.toast-warning {
  color: #FFFFFF;
}

.toast-warning .toast-icon {
  color: #FFFFFF;
}

.toast-info {
  color: #FFFFFF;
}

.toast-info .toast-icon {
  color: #FFFFFF;
}

.toast-message {
  flex: 1;
  line-height: 1.4;
}

.toast-close {
  background: none;
  border: none;
  color: inherit;
  opacity: 0.5;
  cursor: pointer;
  font-size: 16px;
  padding: 0;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.2s;
}

.toast-close:hover {
  opacity: 1;
}

/* ═══ EMPTY STATE ════════════════════════════════════════════════ */
.empty-state { text-align: center; padding: 48px 24px; color: var(--muted); }
.empty-state svg { opacity: 0.3; margin-bottom: 16px; }

/* ═══ THUMBNAIL ══════════════════════════════════════════════════ */
.thumb { width: 56px; height: 36px; border-radius: 6px; object-fit: cover; background: var(--line); display: block; }

#sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 1000;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}
#sidebar-overlay.open {
  opacity: 1;
}

.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

/* ═══ RESPONSIVE ═════════════════════════════════════════════════ */
@media (max-width: 768px) {
  #app-sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    width: 260px !important;
    padding: 24px 16px !important;
    z-index: 1001;
    display: flex !important;
  }
  #app-sidebar.drawer-open {
    transform: translateX(0);
  }
  .app-page { padding-left: 0 !important; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-grid.col3 { grid-template-columns: 1fr; }
  .split-grid { grid-template-columns: 1fr; gap: 20px; }
  .page-inner { padding: 24px 16px 60px; }
}
/* ═══ THUMBNAIL ADVANCED UPLOADER ══════════════════════════════ */
.thumb-uploader-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
}
.thumb-tabs {
  display: flex;
  gap: 6px;
  background: var(--cream);
  padding: 3px;
  border-radius: 6px;
  border: 1px solid var(--border);
  width: fit-content;
}
.thumb-tab-btn {
  border: none;
  background: transparent;
  padding: 4px 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--muted);
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.2s ease;
  text-transform: uppercase;
  font-weight: 500;
}
.thumb-tab-btn.active {
  background: var(--card-bg);
  color: var(--ink);
  font-weight: 700;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.thumb-dropzone {
  border: 2px dashed var(--border);
  border-radius: 8px;
  padding: 18px 14px;
  text-align: center;
  background: var(--cream);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 110px;
  position: relative;
  overflow: hidden;
}
.thumb-dropzone:hover, .thumb-dropzone.dragover {
  border-color: var(--ink);
  background: var(--card-bg);
}
.thumb-dropzone-icon {
  font-size: 20px;
  color: var(--muted);
}
.thumb-dropzone-text {
  font-size: 11px;
  font-weight: 500;
  color: var(--ink);
}
.thumb-dropzone.compact {
  padding: 10px 8px;
  min-height: 68px;
  gap: 4px;
}
.thumb-dropzone.compact .thumb-dropzone-icon {
  font-size: 15px;
}
.thumb-dropzone.compact .thumb-dropzone-text {
  font-size: 10px;
}
.thumb-dropzone.compact .thumb-dropzone-sub {
  font-size: 8px;
}
.thumb-preview-wrap.compact {
  height: 90px;
  max-height: 90px;
}
.thumb-preview-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--cream);
  display: none;
}
.thumb-preview-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  background: var(--cream);
}
.thumb-preview-wrap .btn-remove-thumb {
  position: absolute;
  top: 6px;
  right: 6px;
  background: rgba(0,0,0,0.7);
  color: #fff;
  border: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  transition: background 0.2s ease;
}
.thumb-preview-wrap .btn-remove-thumb:hover {
  background: #E63946;
}
.thumb-preview-wrap .thumb-badge {
  position: absolute;
  bottom: 6px;
  left: 6px;
  background: rgba(0,0,0,0.65);
  color: #fff;
  font-family: 'JetBrains Mono', monospace;
  font-size: 8px;
  padding: 2px 6px;
  border-radius: 4px;
  backdrop-filter: blur(4px);
  text-transform: uppercase;
}

/* ═══ MODAL SECTION CARDS ══════════════════════════════════════ */
.modal-section-card {
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-top: 4px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.modal-section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  font-weight: 700;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}
.modal-section-title i {
  color: var(--muted);
  font-size: 12px;
}