/* ==========================================================================
   Dashboard Centralizado de Revisión - LDO IREP
   Estilos base — mobile-first, sin dependencias externas
   ========================================================================== */

:root {
  --color-vino: #800020;
  --color-vino-oscuro: #5c0017;
  --color-vino-claro: #a3324a;
  --color-fondo: #ffffff;
  --color-fondo-alterno: #f7f5f6;
  --color-texto: #262223;
  --color-texto-suave: #5a5457;
  --color-borde: #e2dcde;
  --color-exito: #2e7d32;
  --color-exito-fondo: #e8f5e9;
  --color-error: #c62828;
  --color-error-fondo: #fdecea;
  --header-height: 88px;
  --tabs-height: 52px;
  --radius: 8px;
  --sombra: 0 2px 8px rgba(128, 0, 32, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--color-texto);
  background-color: var(--color-fondo-alterno);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

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

/* ----- Encabezado ----- */
.app-header {
  height: var(--header-height);
  min-height: var(--header-height);
  background-color: var(--color-vino);
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  box-shadow: var(--sombra);
  position: sticky;
  top: 0;
  z-index: 100;
}

.app-header__logo {
  height: 68px;
  width: 68px;
  object-fit: contain;
  border-radius: 6px;
  background-color: #ffffff;
  padding: 3px;
  flex-shrink: 0;
}

.app-header__title {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.2px;
}

.app-header__subtitle {
  display: block;
  font-size: 0.72rem;
  font-weight: 400;
  color: #f1d9df;
  margin-top: 2px;
}

/* ----- Pestañas ----- */
.tabs {
  display: flex;
  height: var(--tabs-height);
  min-height: var(--tabs-height);
  background-color: #ffffff;
  border-bottom: 1px solid var(--color-borde);
  position: sticky;
  top: var(--header-height);
  z-index: 90;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tab-btn {
  flex: 1 1 auto;
  min-width: fit-content;
  border: none;
  background: transparent;
  color: var(--color-texto-suave);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0 14px;
  cursor: pointer;
  white-space: nowrap;
  border-bottom: 3px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
}

.tab-btn:hover {
  color: var(--color-vino);
  background-color: var(--color-fondo-alterno);
}

.tab-btn.is-active {
  color: var(--color-vino);
  border-bottom-color: var(--color-vino);
}

.tab-btn:focus-visible {
  outline: 2px solid var(--color-vino-claro);
  outline-offset: -2px;
}

/* ----- Contenedor principal ----- */
.app-main {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - var(--header-height) - var(--tabs-height));
}

.tab-panel {
  display: none;
  flex: 1 1 auto;
  flex-direction: column;
  padding: 16px;
  animation: fade-in 0.15s ease;
}

.tab-panel.is-active {
  display: flex;
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* ----- Editor del documento ----- */
#panel-editor {
  padding: 0;
}

.editor-frame-wrap {
  flex: 1 1 auto;
  display: flex;
  min-height: calc(100vh - var(--header-height) - var(--tabs-height));
}

.editor-frame-wrap iframe {
  flex: 1 1 auto;
  width: 100%;
  height: 100%;
  min-height: calc(100vh - var(--header-height) - var(--tabs-height));
  border: none;
}

/* ----- Tarjetas / secciones genéricas ----- */
.card {
  background-color: #ffffff;
  border: 1px solid var(--color-borde);
  border-radius: var(--radius);
  box-shadow: var(--sombra);
  padding: 20px;
  margin-bottom: 20px;
}

.card h2 {
  margin: 0 0 6px;
  font-size: 1.1rem;
  color: var(--color-vino);
}

.card p.card-desc {
  margin: 0 0 16px;
  font-size: 0.85rem;
  color: var(--color-texto-suave);
}

/* ----- Formularios ----- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-field label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-texto);
}

.form-field input,
.form-field textarea,
.form-field select {
  font-family: inherit;
  font-size: 0.9rem;
  padding: 10px 12px;
  border: 1px solid var(--color-borde);
  border-radius: var(--radius);
  background-color: var(--color-fondo-alterno);
  color: var(--color-texto);
  resize: vertical;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--color-vino);
  background-color: #ffffff;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: var(--radius);
  background-color: var(--color-vino);
  color: #ffffff;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 12px 20px;
  cursor: pointer;
  transition: background-color 0.15s ease, transform 0.05s ease;
  align-self: flex-start;
}

.btn:hover {
  background-color: var(--color-vino-oscuro);
}

.btn:active {
  transform: scale(0.98);
}

/* ----- Tabla bitácora ----- */
.table-wrap {
  overflow-x: auto;
}

table.bitacora-tabla {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  min-width: 480px;
}

table.bitacora-tabla th,
table.bitacora-tabla td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-borde);
  vertical-align: top;
}

table.bitacora-tabla th {
  background-color: var(--color-fondo-alterno);
  color: var(--color-vino);
  font-weight: 700;
  white-space: nowrap;
}

table.bitacora-tabla tbody tr:hover {
  background-color: var(--color-fondo-alterno);
}

.empty-state {
  padding: 24px 12px;
  text-align: center;
  color: var(--color-texto-suave);
  font-size: 0.85rem;
}

/* ----- Alertas ----- */
.alert {
  border-radius: var(--radius);
  padding: 12px 14px;
  font-size: 0.85rem;
  margin-bottom: 16px;
}

.alert-exito {
  background-color: var(--color-exito-fondo);
  color: var(--color-exito);
  border: 1px solid #b7dfb9;
}

.alert-error {
  background-color: var(--color-error-fondo);
  color: var(--color-error);
  border: 1px solid #f0b8b8;
}

/* ----- Pie de página ----- */
.app-footer {
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-texto-suave);
  padding: 14px;
  background-color: #ffffff;
  border-top: 1px solid var(--color-borde);
}

/* ----- Responsive ----- */
@media (min-width: 600px) {
  .app-header__title {
    font-size: 1.15rem;
  }

  .tab-btn {
    flex: 0 1 auto;
    padding: 0 22px;
    font-size: 0.9rem;
  }

  .tab-panel {
    padding: 24px;
  }

  .form-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-field.full-width {
    grid-column: 1 / -1;
  }

  .btn {
    align-self: auto;
  }
}

@media (min-width: 960px) {
  .tab-panel {
    padding: 32px;
  }

  .card {
    padding: 28px;
  }
}