/* ====================================================
   LaPape de México — Panel Admin
   FASE 3 — Estilos base
   Misma paleta de marca que el reproductor (lapape-tv),
   adaptada a una app web normal (no modo kiosco).
   ==================================================== */

:root {
  --azul-marino: #0b2545;
  --azul-marino-deep: #081b33;
  --azul-marino-light: #123a6b;
  --amarillo: #f5b301;
  --amarillo-deep: #d99900;
  --rojo: #e11d2e;
  --crema: #fbf8f1;
  --blanco: #ffffff;
  --gris-texto: #4a5568;
  --gris-borde: #e2e8f0;

  --font-display: 'Archivo Black', 'Arial Black', 'Helvetica Neue', sans-serif;
  --font-body: 'Inter', 'Segoe UI', Arial, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  min-height: 100%;
  font-family: var(--font-body);
  background: var(--crema);
  color: var(--azul-marino-deep);
}

/* ----------------------------------------------------
   Pantalla de login
   ---------------------------------------------------- */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, var(--azul-marino-deep), var(--azul-marino) 70%);
  padding: 24px;
}

.login-card {
  background: var(--blanco);
  border-radius: 16px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.35);
  padding: 40px 36px;
  width: 100%;
  max-width: 380px;
}

.login-card .brand-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.login-card .brand-row img {
  height: 40px;
  width: auto;
}

.login-card .brand-row span {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--azul-marino);
}

.login-card h1 {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--azul-marino-deep);
  margin: 18px 0 6px;
}

.login-card p.subtitle {
  color: var(--gris-texto);
  font-size: 14px;
  margin-bottom: 26px;
}

.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--azul-marino);
  margin-bottom: 6px;
}

.field input {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--gris-borde);
  border-radius: 8px;
  font-size: 15px;
  font-family: var(--font-body);
  color: var(--azul-marino-deep);
  background: var(--crema);
}

.field input:focus {
  outline: none;
  border-color: var(--amarillo-deep);
  box-shadow: 0 0 0 3px rgba(245, 179, 1, 0.25);
}

.btn-primary {
  width: 100%;
  padding: 12px 16px;
  background: var(--rojo);
  color: var(--blanco);
  border: none;
  border-radius: 8px;
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.03em;
  cursor: pointer;
  margin-top: 6px;
  transition: opacity 0.15s ease;
}

.btn-primary:hover {
  opacity: 0.92;
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--gris-borde);
  color: var(--azul-marino);
  padding: 9px 16px;
  border-radius: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
}

.form-message {
  margin-top: 16px;
  font-size: 13px;
  padding: 10px 12px;
  border-radius: 8px;
  display: none;
}

.form-message.error {
  display: block;
  background: rgba(225, 29, 46, 0.08);
  color: var(--rojo);
  border: 1px solid rgba(225, 29, 46, 0.25);
}

.form-message.info {
  display: block;
  background: rgba(11, 37, 69, 0.06);
  color: var(--azul-marino);
  border: 1px solid rgba(11, 37, 69, 0.15);
}

/* ----------------------------------------------------
   Dashboard
   ---------------------------------------------------- */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  background: var(--azul-marino-deep);
  color: var(--crema);
}

.app-header .brand-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.app-header .brand-row img {
  height: 34px;
}

.app-header .brand-row span {
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.05em;
}

.app-header .user-row {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 14px;
}

.app-main {
  max-width: 960px;
  margin: 0 auto;
  padding: 40px 24px;
}

.app-main h1 {
  font-family: var(--font-display);
  font-size: 26px;
  color: var(--azul-marino-deep);
  margin-bottom: 6px;
}

.app-main p.lead {
  color: var(--gris-texto);
  margin-bottom: 32px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
  margin-bottom: 36px;
}

.stat-card {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: 12px;
  padding: 22px;
}

.stat-card .stat-value {
  font-family: var(--font-display);
  font-size: 34px;
  color: var(--rojo);
}

.stat-card .stat-label {
  margin-top: 6px;
  font-size: 13px;
  color: var(--gris-texto);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.notice-box {
  background: rgba(245, 179, 1, 0.12);
  border: 1px solid rgba(245, 179, 1, 0.4);
  color: var(--azul-marino-deep);
  border-radius: 10px;
  padding: 16px 18px;
  font-size: 14px;
  line-height: 1.5;
}

.spinner {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 4px solid rgba(11, 37, 69, 0.15);
  border-top-color: var(--azul-marino);
  animation: spin 0.9s linear infinite;
  margin: 40px auto;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.hidden {
  display: none !important;
}

/* ====================================================
   FASE 4 — Anuncios: navegación, tabla, formulario,
   subida de medios
   ==================================================== */

.app-nav {
  display: flex;
  gap: 4px;
  padding: 0 32px;
  background: var(--azul-marino);
}

.app-nav a {
  display: inline-block;
  padding: 12px 16px;
  color: rgba(251, 248, 241, 0.75);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-bottom: 3px solid transparent;
}

.app-nav a.active {
  color: var(--blanco);
  border-bottom-color: var(--amarillo);
}

.app-nav a:hover {
  color: var(--blanco);
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: 26px;
  color: var(--azul-marino-deep);
  margin-bottom: 6px;
}

.page-header p.lead {
  color: var(--gris-texto);
}

.btn-primary.btn-inline {
  width: auto;
  white-space: nowrap;
  margin-top: 0;
}

.btn-danger {
  background: transparent;
  border: 1px solid rgba(225, 29, 46, 0.35);
  color: var(--rojo);
  padding: 8px 14px;
  border-radius: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
}

.btn-danger:hover {
  background: rgba(225, 29, 46, 0.08);
}

.btn-link {
  background: none;
  border: none;
  color: var(--azul-marino);
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  padding: 8px 10px;
}

.btn-link:hover {
  text-decoration: underline;
}

/* ----------------------------------------------------
   Tabla de anuncios
   ---------------------------------------------------- */
.slides-table-wrap {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: 12px;
  overflow: hidden;
}

table.slides-table {
  width: 100%;
  border-collapse: collapse;
}

.slides-table th {
  text-align: left;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--gris-texto);
  padding: 12px 16px;
  border-bottom: 1px solid var(--gris-borde);
  background: var(--crema);
}

.slides-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--gris-borde);
  font-size: 14px;
  vertical-align: middle;
}

.slides-table tr:last-child td {
  border-bottom: none;
}

.slide-thumb {
  width: 64px;
  height: 40px;
  border-radius: 6px;
  object-fit: cover;
  background: var(--gris-borde);
  display: block;
}

.slide-title-cell strong {
  display: block;
  font-size: 14px;
  color: var(--azul-marino-deep);
}

.slide-title-cell span {
  display: block;
  font-size: 12px;
  color: var(--gris-texto);
  margin-top: 2px;
}

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.badge.active {
  background: rgba(11, 122, 68, 0.12);
  color: #0b7a44;
}

.badge.inactive {
  background: rgba(74, 85, 104, 0.12);
  color: var(--gris-texto);
}

.row-actions {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
}

.empty-state {
  text-align: center;
  padding: 60px 24px;
  color: var(--gris-texto);
}

.empty-state p {
  margin-bottom: 18px;
}

/* ----------------------------------------------------
   Formulario de anuncio
   ---------------------------------------------------- */
.form-card {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: 12px;
  padding: 28px;
  max-width: 640px;
}

.field textarea,
.field select {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--gris-borde);
  border-radius: 8px;
  font-size: 15px;
  font-family: var(--font-body);
  color: var(--azul-marino-deep);
  background: var(--crema);
  resize: vertical;
}

.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--amarillo-deep);
  box-shadow: 0 0 0 3px rgba(245, 179, 1, 0.25);
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field-hint {
  font-size: 12px;
  color: var(--gris-texto);
  margin-top: 5px;
}

.field-check {
  display: flex;
  align-items: center;
  gap: 8px;
}

.field-check input {
  width: auto;
}

.field-check label {
  margin-bottom: 0;
}

.radio-group {
  display: flex;
  gap: 16px;
}

.radio-option {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
}

.radio-option input {
  width: auto;
}

.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 24px;
}

.form-actions .btn-primary,
.form-actions .btn-secondary {
  width: auto;
}

/* ----------------------------------------------------
   Subida de medios
   ---------------------------------------------------- */
.upload-zone {
  border: 2px dashed var(--gris-borde);
  border-radius: 10px;
  padding: 22px;
  text-align: center;
  cursor: pointer;
  background: var(--crema);
}

.upload-zone:hover {
  border-color: var(--amarillo-deep);
}

.upload-zone.has-preview {
  padding: 12px;
}

.upload-zone p {
  font-size: 13px;
  color: var(--gris-texto);
}

.upload-preview {
  max-width: 100%;
  max-height: 180px;
  border-radius: 8px;
  display: block;
  margin: 0 auto 10px;
}

.upload-progress {
  margin-top: 10px;
  height: 6px;
  border-radius: 999px;
  background: var(--gris-borde);
  overflow: hidden;
  display: none;
}

.upload-progress .bar {
  height: 100%;
  width: 0%;
  background: var(--amarillo-deep);
  transition: width 0.2s ease;
}

/* ----------------------------------------------------
   Confirmación de borrado (modal simple)
   ---------------------------------------------------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(8, 27, 51, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 50;
}

.modal-card {
  background: var(--blanco);
  border-radius: 12px;
  padding: 26px;
  max-width: 360px;
  width: 100%;
}

.modal-card h2 {
  font-family: var(--font-display);
  font-size: 17px;
  margin-bottom: 10px;
  color: var(--azul-marino-deep);
}

.modal-card p {
  font-size: 14px;
  color: var(--gris-texto);
  margin-bottom: 20px;
}

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.modal-actions .btn-primary,
.modal-actions .btn-secondary,
.modal-actions .btn-danger {
  width: auto;
}

/* ----------------------------------------------------
   FASE 5 — Playlists: selector de anuncios (dos columnas)
   ---------------------------------------------------- */
.picker-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 6px;
}

@media (max-width: 720px) {
  .picker-layout {
    grid-template-columns: 1fr;
  }
}

.picker-col h3 {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--azul-marino-deep);
  margin-bottom: 8px;
}

.picker-list {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: 10px;
  min-height: 120px;
  max-height: 420px;
  overflow-y: auto;
}

.picker-empty {
  padding: 20px 16px;
  font-size: 13px;
  color: var(--gris-texto);
  text-align: center;
}

.picker-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--gris-borde);
}

.picker-item:last-child {
  border-bottom: none;
}

.picker-item img,
.picker-item .picker-thumb-empty {
  width: 44px;
  height: 30px;
  border-radius: 5px;
  object-fit: cover;
  background: var(--gris-borde);
  flex-shrink: 0;
}

.picker-item-info {
  flex: 1;
  min-width: 0;
}

.picker-item-info strong {
  display: block;
  font-size: 13px;
  color: var(--azul-marino-deep);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.picker-item-info span {
  display: block;
  font-size: 11px;
  color: var(--gris-texto);
}

.picker-item-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.picker-btn {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  border: 1px solid var(--gris-borde);
  background: var(--crema);
  color: var(--azul-marino-deep);
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
}

.picker-btn:hover {
  border-color: var(--amarillo-deep);
}

.picker-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.picker-duration {
  width: 52px;
  padding: 4px 6px;
  border: 1px solid var(--gris-borde);
  border-radius: 6px;
  font-size: 12px;
  font-family: var(--font-body);
}

/* ----------------------------------------------------
   FASE 5 — Pantallas: tarjetas de asignación de playlist
   ---------------------------------------------------- */
.screens-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.screen-card {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: 12px;
  padding: 18px;
}

.screen-card h3 {
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--azul-marino-deep);
  margin-bottom: 2px;
}

.screen-card .screen-location {
  font-size: 12px;
  color: var(--gris-texto);
  margin-bottom: 12px;
}

/* FASE 6 — estado de conexión (heartbeat) */
.screen-card .screen-connection {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}

.screen-card .screen-last-seen {
  font-size: 12px;
  color: var(--gris-texto);
}

.screen-card .field {
  margin-bottom: 10px;
}

.screen-card .save-hint {
  font-size: 12px;
  color: var(--gris-texto);
  min-height: 16px;
}

.screen-card .save-hint.ok {
  color: #0b7a44;
}

.screen-card .save-hint.error {
  color: var(--rojo);
}