/* ============================================================
   Cartelera Digital UFPS — Hoja de estilos (TV + Admin)
   Colores institucionales: rojo #8B0000, gris claro #FAF8F5
   ============================================================ */

:root {
  --ufps-red: #8b0000;
  --ufps-red-dark: #6b0000;
  --ufps-gray: #faf8f5;
  --ufps-gray-dark: #2f2f2f;
  --ufps-border: #e3ddd3;
  --ufps-accent: #c9a227;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ufps-gray-dark);
}

/* ============================================================
   PANTALLA DEL TELEVISOR
   ============================================================ */

.tv-body {
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: #ffffff;
  overflow: hidden;
}

/* --- Marquesina superior --- */
.ticker-bar {
  background: var(--ufps-red);
  color: #ffffff;
  overflow: hidden;
  white-space: nowrap;
  height: 52px;
  display: flex;
  align-items: center;
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.ticker-track {
  display: inline-block;
  white-space: nowrap;
  flex: 0 0 auto;
  will-change: transform;
  animation: ticker 45s linear infinite;
}

@keyframes ticker {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* --- Layout principal --- */
.tv-layout {
  flex: 1;
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 0;
}

.sidebar {
  background: var(--ufps-red);
  color: #ffffff;
  display: flex;
  flex-direction: column;
  padding: 20px 16px;
}

.sidebar-brand {
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
  padding-bottom: 16px;
  margin-bottom: 16px;
}

.logo-box {
  background: #ffffff;
  color: var(--ufps-red);
  font-weight: 800;
  font-size: 1.6rem;
  width: 72px;
  height: 72px;
  margin: 0 auto 8px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sidebar-brand p {
  margin: 0;
  font-size: 0.95rem;
}

.slide-index { display: flex; flex-direction: column; gap: 8px; overflow: hidden; }

.index-item {
  padding: 10px 12px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.95rem;
  transition: background 0.2s ease, transform 0.2s ease;
}

.index-item.active {
  background: #ffffff;
  color: var(--ufps-red);
  font-weight: 700;
  border-left: 4px solid var(--ufps-accent);
}

/* --- Escenario principal --- */
.main-content {
  padding: 32px;
  background: var(--ufps-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
}

.slide { width: 100%; height: 100%; }

.slide-texto-imagen {
  display: flex;
  gap: 32px;
  align-items: center;
  justify-content: space-between;
}

.slide-text { flex: 1; min-width: 0; }

.slide-text h2 {
  color: var(--ufps-red);
  font-size: 2.6rem;
  margin: 0 0 24px;
  border-bottom: 4px solid var(--ufps-accent);
  padding-bottom: 12px;
}

.slide-text ul {
  margin: 0;
  padding-left: 22px;
  font-size: 1.5rem;
  line-height: 1.9;
}

.slide-img {
  flex: 0 0 340px;
  max-width: 340px;
  text-align: center;
}

.slide-img.izquierda { order: -1; }
.slide-img.centro { flex: 0 0 auto; margin: 0 auto; }

.slide-img img {
  max-width: 100%;
  max-height: 52vh;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.slide-fullscreen {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slide-fullscreen img {
  max-width: 100%;
  max-height: 100%;
  border-radius: 8px;
}

.slide-comunicado {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
}

.slide-comunicado h1 {
  color: var(--ufps-red);
  font-size: 4rem;
  margin: 0 0 32px;
}

.comunicado-texto {
  font-size: 2rem;
  line-height: 1.6;
  max-width: 80%;
}

.slide-empty {
  font-size: 2rem;
  color: #999;
}

/* --- Pie de página --- */
.footer {
  background: var(--ufps-red);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  font-size: 1.05rem;
}

.footer-brand { display: flex; align-items: center; gap: 12px; font-weight: 600; }

.logo-mini {
  background: #ffffff;
  color: var(--ufps-red);
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 6px;
}

.footer-logo {
  height: 40px;
  max-width: 160px;
  object-fit: contain;
  background: #fff;
  border-radius: 4px;
  padding: 2px 6px;
}

.footer-clock { display: flex; align-items: center; gap: 20px; }

.clock { font-size: 1.6rem; font-weight: 700; letter-spacing: 2px; }

/* ============================================================
   PANEL DE ADMINISTRACIÓN
   ============================================================ */

.admin-body {
  background: #f0ede6;
  min-height: 100vh;
}

.admin-header {
  background: var(--ufps-red);
  color: #ffffff;
  padding: 18px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.admin-title h1 { margin: 0; font-size: 1.5rem; }
.admin-title p { margin: 4px 0 0; opacity: 0.85; font-size: 0.9rem; }

.admin-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
}

.admin-toolbar label { font-size: 0.85rem; }

.admin-toolbar input[type="password"] {
  padding: 9px 12px;
  border: 1px solid #ccc;
  border-radius: 6px;
  min-width: 220px;
}

.status-bar {
  padding: 10px 28px;
  font-size: 0.9rem;
  background: #eee;
  border-bottom: 1px solid var(--ufps-border);
  color: #555;
}

.status-bar.ok   { background: #e7f4e7; color: #1c6b1c; }
.status-bar.warn { background: #fdf4e3; color: #8a5a00; }
.status-bar.error{ background: #fbe9e9; color: #a00; }

.admin-layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 20px;
  padding: 20px 28px;
  align-items: start;
}

.card {
  background: #ffffff;
  border: 1px solid var(--ufps-border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
}

.card h2 { margin: 0 0 16px; color: var(--ufps-red); font-size: 1.1rem; }

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.card-head h2 { margin: 0; }

label {
  display: block;
  margin: 14px 0 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #444;
}

input[type="text"],
input[type="number"],
input[type="password"],
select,
textarea {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 0.95rem;
  font-family: inherit;
}

textarea { resize: vertical; }

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  font-weight: 600;
}
.checkbox-label input { width: auto; }

.field { margin-top: 4px; }

.btn {
  display: inline-block;
  border: 1px solid #ccc;
  background: #f6f6f6;
  color: #333;
  padding: 9px 16px;
  border-radius: 6px;
  font-size: 0.9rem;
  cursor: pointer;
}
.btn:hover { background: #ececec; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-primary { background: var(--ufps-red); border-color: var(--ufps-red); color: #fff; }
.btn-primary:hover { background: var(--ufps-red-dark); }

.btn-danger { color: #a00; border-color: #e0b8b8; }
.btn-sm { padding: 4px 9px; font-size: 0.8rem; }

.slide-list { display: flex; flex-direction: column; gap: 10px; }

.slide-item {
  border: 1px solid var(--ufps-border);
  border-radius: 8px;
  padding: 12px;
  cursor: pointer;
}
.slide-item.selected { border-color: var(--ufps-red); background: #fdf5f5; }

.slide-item-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.slide-item-title { font-weight: 600; }

.slide-item-badge {
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 20px;
  text-transform: uppercase;
}
.slide-item-badge.on  { background: #e7f4e7; color: #1c6b1c; }
.slide-item-badge.off { background: #eee; color: #888; }

.slide-item-actions { display: flex; gap: 6px; }

.preview-frame {
  background: var(--ufps-gray);
  border: 1px solid var(--ufps-border);
  border-radius: 8px;
  min-height: 300px;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.preview-frame .slide { width: 100%; }
.preview-frame .slide-comunicado h1 { font-size: 2rem; }
.preview-frame .comunicado-texto { font-size: 1.2rem; }

.muted { color: #999; }

@media (max-width: 900px) {
  .admin-layout { grid-template-columns: 1fr; }
  .tv-layout { grid-template-columns: 200px 1fr; }
}

/* ============================================================
   EDITOR ENRIQUECIDO (negrita, cursiva, subrayado)
   ============================================================ */
.rich-toolbar {
  display: flex;
  gap: 4px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}
.rich-toolbar button {
  min-width: 30px;
  padding: 5px 8px;
  border: 1px solid #ccc;
  background: #f6f6f6;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.85rem;
}
.rich-toolbar button:hover { background: #ececec; }
.rich-editor {
  min-height: 120px;
  border: 1px solid #ccc;
  border-radius: 6px;
  padding: 9px 11px;
  background: #fff;
  font-size: 0.95rem;
  outline: none;
  overflow-y: auto;
}
.rich-editor:focus { border-color: var(--ufps-red); }
.rich-editor ul { margin: 0; padding-left: 20px; }
.rich-editor p { margin: 0 0 6px; }

/* ============================================================
   LOGOS INSTITUCIONALES
   ============================================================ */
.subheading { margin-top: 20px; }
.logo-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.logo-field { display: flex; flex-direction: column; min-width: 0; }
.logo-field input[type="file"] { width: 100%; }
.logo-preview {
  max-height: 60px;
  max-width: 180px;
  object-fit: contain;
  margin: 8px 0;
  border: 1px solid var(--ufps-border);
  border-radius: 4px;
  padding: 4px;
  background: #fff;
}

/* ============================================================
   HISTORIAL DE VERSIONES
   ============================================================ */
.version-card { margin: 0 28px 28px; }
.version-list { display: flex; flex-direction: column; gap: 12px; }
.version-item { border: 1px solid var(--ufps-border); border-radius: 8px; padding: 12px; }
.version-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 4px; }
.version-date { font-size: 0.8rem; color: #888; }
.version-sub { font-size: 0.85rem; color: #555; margin-bottom: 8px; }
.version-body { display: flex; gap: 12px; align-items: stretch; }
.version-body .mini-preview { flex: 1; }
.version-actions { display: flex; flex-direction: column; justify-content: center; }

.mini-preview {
  border: 1px solid var(--ufps-border);
  border-radius: 6px;
  padding: 8px;
  background: var(--ufps-gray);
  font-size: 0.75rem;
  min-height: 60px;
  overflow: hidden;
}
.mini-preview .slide { height: auto; }
.mini-preview .slide-comunicado h1 { font-size: 1rem; margin: 0 0 6px; }
.mini-preview .comunicado-texto { font-size: 0.75rem; }
.mini-preview .slide-text h2 { font-size: 0.9rem; margin: 0 0 6px; border-bottom: 2px solid var(--ufps-accent); padding-bottom: 4px; }
.mini-preview .slide-text ul { font-size: 0.7rem; line-height: 1.5; padding-left: 14px; }
.mini-preview .slide-img { flex-basis: auto; max-width: 80px; }
.mini-preview .slide-img img { max-height: 60px; }

/* ============================================================
   PANTALLA DE LOGIN
   ============================================================ */
.auth-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ufps-red);
  padding: 20px;
}
.auth-card {
  background: #fff;
  border-radius: 12px;
  padding: 32px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}
.auth-card h1 { color: var(--ufps-red); font-size: 1.4rem; margin: 0 0 16px; }
.auth-card h2 { margin: 0 0 16px; font-size: 1.1rem; }
.auth-error { color: #a00; margin-top: 12px; font-size: 0.9rem; min-height: 1.2em; }
.session-info { font-weight: 600; margin-right: 8px; }
.btn-block { display: block; width: 100%; margin-top: 16px; }

/* ============================================================
   USUARIOS
   ============================================================ */
.users-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.user-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--ufps-border);
}
@media (max-width: 900px) {
  .users-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   NAVEGACIÓN Y SECCIONES DEL PANEL
   ============================================================ */
.admin-shell {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 20px 28px 32px;
}

.admin-nav {
  flex: 0 0 200px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: sticky;
  top: 20px;
}

.nav-item {
  width: 100%;
  text-align: left;
  padding: 12px 14px;
  background: #fff;
  border: 1px solid var(--ufps-border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  color: #444;
  cursor: pointer;
}
.nav-item:hover { background: #f6f3ee; }
.nav-item.active { background: var(--ufps-red); color: #fff; border-color: var(--ufps-red); }

.admin-content { flex: 1; min-width: 0; }

.section-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 20px;
  align-items: start;
}
.stack { display: flex; flex-direction: column; gap: 20px; }

.form-row { margin-bottom: 14px; }
.form-row label { margin: 0 0 6px; }
.form-row-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.card.narrow { max-width: 480px; }

input[type="file"] { width: 100%; max-width: 100%; }

@media (max-width: 900px) {
  .admin-shell { flex-direction: column; }
  .admin-nav { flex-direction: row; flex-wrap: wrap; position: static; }
  .nav-item { width: auto; }
  .section-grid { grid-template-columns: 1fr; }
  .form-row-grid { grid-template-columns: 1fr; }
}