/* ===============================
   Scriptum Style CSS - Refinado
   =============================== */

:root {
  --bg: #b7322c;
  --bg-h: #a52a26;
  --fg: #fff;
  --font: 'Roboto', sans-serif;
  --dark-sidebar: #1e1e20;
  --dark-editor-bg: #2a2b2f;
  --dark-border: #3c3d42;
  --dark-line: #3c3c3c;
  --dark-summary: #2a2a2e;
  --dark-summary-text: #f0f0f0;
  --scrollbar-thumb: #444;
  --scrollbar-track: #2a2b2f;
  --header-bg: #fff;
  --header-dark-bg: #1c1c1e;
  --header-border: #ddd;
  --header-dark-border: #333;
}

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

/* Scroll */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 4px;
}
::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}

/* ===============================
   MODO OSCURO
   =============================== */

.modo-oscuro .dashboard-col.izquierda {
  background-color: var(--dark-sidebar);
  border-right: 1px solid var(--dark-line);
}
.modo-oscuro .dashboard-col.derecha {
  background-color: var(--dark-editor-bg);
  border-left: 1px solid var(--dark-line);
}
.modo-oscuro #scriptum-editor,
.modo-oscuro .scriptum-login-box {
  background-color: var(--dark-editor-bg);
  color: #e1e1e1;
  border-color: var(--dark-border);
}
.modo-oscuro #editable {
  background-color: #2f3136;
  color: #f0f0f0;
  border-color: #444;
}
.modo-oscuro .scriptum-btn,
.modo-oscuro button {
  background: var(--bg);
  color: #fff;
}
.modo-oscuro .scriptum-btn:hover,
.modo-oscuro button:hover {
  background: var(--bg-h);
}
.modo-oscuro .editor-toolbar button {
  background: #3b3c40;
  border-color: #4a4b50;
  color: #d4d4d4;
}
.modo-oscuro .editor-toolbar button:hover {
  background: #4a4b50;
  color: #fff;
}
.modo-oscuro .scriptum-biblioteca .libro-card,
.modo-oscuro .scriptum-biblioteca details {
  background: #2a2b2f;
  border-color: #444;
}
.modo-oscuro .scriptum-biblioteca summary {
  background: var(--dark-summary);
  color: var(--dark-summary-text);
  border-bottom: 1px solid var(--dark-line);
}
.modo-oscuro .vista-previa {
  background: #3c3228;
  color: #f1e9db;
}
.modo-oscuro .borrar-btn {
  background: #992d22;
}
.modo-oscuro .borrar-btn:hover {
  background: #b33327;
}

/* ===============================
   HEADER
   =============================== */

.scriptum-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  padding: 1rem 1.5rem;
  background: var(--header-bg);
  border-bottom: 1px solid var(--header-border);
  font-family: var(--font);
  font-size: 15px;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-logo img.scriptum-logo {
  height: 34px;
  max-width: 140px;
  object-fit: contain;
}

.header-user-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.user-greeting {
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
}

.salir-btn {
  padding: 0.5rem 1rem;
  font-size: 13px;
  border-radius: 6px;
  background: var(--bg);
  color: #fff;
  border: none;
  cursor: pointer;
  transition: background 0.2s;
}

.salir-btn:hover {
  background: var(--bg-h);
}

.modo-oscuro .scriptum-header {
  background: var(--header-dark-bg);
  border-color: var(--header-dark-border);
  color: #eee;
}
.modo-oscuro .user-greeting strong,
.modo-oscuro .header-logo a {
  color: #ffb3a3;
}
.modo-oscuro .salir-btn {
  background: var(--bg);
  color: #fff;
}

/* Botón modo oscuro */
.modo-dark-toggle {
  display: none;
  font-size: 14px;
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  background: #444;
  color: white;
  cursor: pointer;
  border: none;
}

/* ===============================
   DASHBOARD GENERAL
   =============================== */

.scriptum-dashboard {
  display: flex;
  width: 100%;
  height: 100vh;
  background: #fdfdfd;
  overflow: hidden;
}

.dashboard-col.izquierda {
  width: 360px;
  background: #f7f7f7;
  border-right: 1px solid #ddd;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.dashboard-col.izquierda.oculto {
  width: 60px;
  overflow: hidden;
}

.dashboard-col.derecha {
  flex: 1;
  background: #fff;
  padding: 1rem;
  border-left: 1px solid #e2e2e2;
  overflow-y: auto;
  transition: all 0.3s ease;
}

.dashboard-col.izquierda .sidebar-btn {
  padding: 0.55rem 1rem;
  background: var(--bg);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s;
}

.dashboard-col.izquierda .sidebar-btn:hover {
  background: var(--bg-h);
}

/* ===============================
   RESPONSIVE + FIX MOBILE
   =============================== */

@media (max-width: 768px) {
  .scriptum-dashboard {
    flex-direction: column;
    height: auto;
    min-height: 100vh;
  }

  .dashboard-col.izquierda,
  .dashboard-col.derecha {
    width: 100%;
    max-width: 100%;
    padding: 0.75rem 1rem;
    border: none;
  }

  .dashboard-col.derecha {
    order: 1;
    border-bottom: 1px solid #ccc;
  }

  .dashboard-col.izquierda {
    order: 2;
    background: #f9f9f9;
    border-top: 1px solid #ddd;
  }

  .scriptum-header {
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 1rem;
    gap: 0.5rem;
  }

  .header-user-actions {
    flex-wrap: wrap;
    width: 100%;
    justify-content: space-between;
    gap: 0.5rem;
  }

  .modo-dark-toggle {
    display: block !important;
    margin-left: auto;
  }

  .user-avatar {
    width: 36px;
    height: 36px;
  }

  .salir-btn {
    font-size: 12px;
    padding: 0.4rem 0.75rem;
  }
}

@media (max-width: 480px) {
  .scriptum-header {
    padding: 0.75rem;
    font-size: 14px;
  }

  .header-logo img.scriptum-logo {
    height: 28px;
    max-width: 120px;
  }

  .user-greeting {
    font-size: 13px;
  }

  .modo-dark-toggle {
    font-size: 13px;
    padding: 0.4rem 0.75rem;
  }

  .dashboard-col.izquierda .sidebar-btn {
    font-size: 13px;
    padding: 0.5rem 0.75rem;
  }

  .dashboard-col.derecha,
  .dashboard-col.izquierda {
    padding: 0.5rem 0.75rem;
  }

  .editor-toolbar button {
    font-size: 12px;
    padding: 0.4rem 0.6rem;
  }

  .modo-oscuro .editor-toolbar button {
    font-size: 12px;
  }

  #editable {
    font-size: 15px;
    padding: 1rem;
  }
}

/* ===============================
   FONDOS GENERALES
   =============================== */

body {
  background: #ffffff;
  margin: 0;
  padding: 0;
  transition: background 0.3s ease;
}

body.modo-oscuro {
  background: #121212 !important;
}

html {
  background: inherit;
  scroll-behavior: smooth;
}

/* Contenedor general */
.contenedor-biblioteca {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

/* Contenido normal */
.contenido-biblioteca {
  display: block;
  transition: opacity 0.2s ease;
}

/* Icono oculto por defecto */
.icono-biblioteca-colapsada {
  display: none;
  font-size: 28px;
  color: var(--bg);
  text-align: center;
  cursor: pointer;
  padding: 1rem 0;
  transition: opacity 0.2s ease;
}

.icono-biblioteca-colapsada:hover {
  opacity: 0.7;
}

/* Cuando la columna está contraída */
.dashboard-col.izquierda.colapsada .contenido-biblioteca {
  display: none !important;
}

.dashboard-col.izquierda.colapsada .icono-biblioteca-colapsada {
  display: block;
}

/* Oscuro */
.modo-oscuro .icono-biblioteca-colapsada {
  color: #ffb3a3;
}