/* ============================================================
   tecnoLSM — capa de pulido: modo claro, cabecera con cajetín,
   notas arrastrables y toolbar compacto (06/09/2026)
   ============================================================ */

/* ---------- Tema claro (brand tecnoLSM) ---------- */
html[data-theme="light"] {
  --bg-deep: #F2F6FB;
  --bg-panel: #FFFFFF;
  --bg-panel-transparent: rgba(255, 255, 255, 0.82);
  --text-primary: #0B111E;
  --text-secondary: #3E5C76;
  --border-color: #C9D4E0;
  --shadow-glow: 0 0 12px rgba(104, 215, 232, 0.35);
  --shadow-panel: 0 10px 30px rgba(15, 23, 42, 0.12);
  --glass-border: 1px solid #C9D4E0;
}

HTML[data-theme="light"] body {
  background: var(--bg-deep);
}

HTML[data-theme="light"] .sidebar {
  background: var(--bg-panel);
  border-right-color: var(--border-color);
}

/* Rejilla clara (en vez de líneas blancas casi invisibles) */
html[data-theme="light"] .canvas-area {
  background-image:
    linear-gradient(rgba(11, 17, 30, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 17, 30, 0.06) 1px, transparent 1px);
}

/* Splash en claro */
html[data-theme="light"] #intro-layer {
  background: var(--bg-deep);
}

/* ---------- Cabecera del canvas: título + cajetín + tema ---------- */
.canvas-header {
  right: 20px;
}

.canvas-header-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-panel-transparent);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 8px 12px;
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-panel);
  pointer-events: auto;
}

.canvas-title {
  display: flex;
  gap: 10px;
  align-items: center;
  min-width: 0;
}

.header-logo-mini {
  width: 40px;
  height: 40px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid rgba(104, 215, 232, 0.35);
  box-shadow: 0 0 14px rgba(104, 215, 232, 0.2);
}

.canvas-header h1 {
  font-family: var(--font-title);
  font-size: 1.05rem;
  margin: 0;
  color: var(--text-primary);
  white-space: nowrap;
}

.canvas-subtitle {
  margin: 0;
  font-size: 0.66rem;
  color: var(--text-secondary);
  font-family: var(--font-code);
  white-space: nowrap;
}

.canvas-subtitle strong {
  color: var(--accent-cyan);
}

.header-student-box {
  display: flex;
  gap: 8px;
  align-items: flex-end;
  margin-left: auto;
}

.student-field {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.student-field label {
  font-size: 0.52rem;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-secondary);
  font-family: var(--font-code);
  white-space: nowrap;
}

.student-field input {
  background: var(--bg-deep);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 5px 8px;
  font-size: 0.76rem;
  font-family: var(--font-body);
  width: 180px;
  transition: border-color .2s, box-shadow .2s;
}

.student-field-sm input { width: 100px; }
.student-field-xs input { width: 68px; }

.student-field input:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 2px rgba(104, 215, 232, 0.25);
}

.theme-toggle {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
  transition: border-color .2s, color .2s;
}

.theme-toggle:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

html[data-theme="light"] .icon-theme-moon { display: none; }
html:not([data-theme="light"]) .icon-theme-sun { display: none; }

/* ---------- Colores de los SVG (currentColor) por tema ---------- */
.component {
  color: var(--text-primary);
}

.component[data-type="bulb"] {
  color: var(--signal-low);
}

.component[data-type="bulb"].active {
  color: #E1B967;
  filter: drop-shadow(0 0 6px rgba(225, 185, 103, 0.85));
}

/* ---------- Nota / comentario arrastrable ---------- */
.comment-component {
  width: 190px;
  min-height: 34px;
  z-index: 20;
}

.comment-component.collapsed { min-height: 34px; }

.comment-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-panel);
  border: 2px dashed var(--accent-cobre);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  padding: 5px 10px;
  font-family: var(--font-code);
  font-size: 0.72rem;
  cursor: pointer;
  box-shadow: var(--shadow-panel);
  user-select: none;
}

.comment-chip:hover {
  border-color: var(--accent-cyan);
}

.comment-chip-icon {
  color: var(--accent-cobre);
  font-size: 0.9rem;
}

.comment-chip-snippet {
  color: var(--text-secondary);
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.comment-component:not(.collapsed) .comment-chip { display: none; }
.comment-component.collapsed .comment-panel-box { display: none; }

.comment-panel-box {
  background: var(--bg-panel);
  border: 1px solid var(--accent-cobre);
  border-radius: var(--radius-md);
  padding: 8px;
  box-shadow: var(--shadow-panel);
}

.comment-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.64rem;
  font-family: var(--font-code);
  color: var(--accent-cobre);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 5px;
}

.comment-collapse {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: 4px;
  width: 20px;
  height: 20px;
  line-height: 1;
  cursor: pointer;
  font-size: 0.75rem;
}

.comment-collapse:hover {
  border-color: var(--accent-cobre);
  color: var(--accent-cobre);
}

.comment-textarea {
  width: 100%;
  min-height: 56px;
  background: var(--bg-deep);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 6px;
  font-family: var(--font-body);
  font-size: 0.8rem;
  resize: vertical;
}

.comment-textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
}

/* ---------- Ícono Nota en el toolbox (MDI comment-text-outline) ---------- */
.icon-comment {
  width: 40px;
  height: 40px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23C58B62' d='M9 22a1 1 0 0 1-1-1v-3H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h16a2 2 0 0 1 2 2v12a2 2 0 0 1-2 2h-6.1L10.2 21.71A1 1 0 0 1 9 22M20 16V4H4v12h6a1 1 0 0 1 .7.29L13 19.28V17a1 1 0 0 1 1-1h6M7 8h10v1H7zm0 3h10v1H7z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
}

/* ---------- Toolbox compacto (todo visible de un vistazo) ---------- */
.sidebar {
  width: 320px;
  padding: 16px 14px;
  overflow-y: auto;
}

.toolbox-section {
  margin-bottom: 12px;
}

.toolbox-section h2 {
  font-size: 0.7rem;
  margin-bottom: 7px;
}

.toolbox-grid {
  gap: 7px;
}

.toolbox-item {
  padding: 6px 4px 5px;
}

.toolbox-item span {
  margin-top: 3px;
  font-size: 0.66rem;
}

.toolbox-item [class*="icon-gate"],
.toolbox-item .icon-switch,
.toolbox-item .icon-bulb,
.toolbox-item .icon-comment {
  width: 28px;
  height: 28px;
  background-size: contain;
}

.controls-section {
  margin-top: 6px;
}

.controls-grid {
  gap: 6px;
}

.btn-toggle-grid {
  padding: 5px 6px;
  font-size: 0.7rem;
}

.controls-section .btn-secondary,
.controls-section .btn-primary {
  padding: 7px 8px;
  font-size: 0.76rem;
  margin-bottom: 6px;
}

.controls-section .separator {
  margin: 4px 0;
}

#btn-clear {
  margin-top: 8px;
  padding: 6px;
  font-size: 0.75rem;
}

/* ---------- Encabezados/modal en claro ---------- */
html[data-theme="light"] .modal-content {
  background: var(--bg-panel);
}

html[data-theme="light"] .modal-header {
  border-bottom-color: var(--border-color);
}

html[data-theme="light"] .canvas-footer {
  color: var(--text-secondary);
}

html[data-theme="light"] .canvas-footer-content {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--border-color);
}

/* Botón Simular en modo claro: nada de pastilla oscura heredada */
html[data-theme="light"] .btn-simulate-fixed {
  background: var(--bg-panel);
  border: 1px solid var(--accent-cyan);
  color: var(--text-primary);
  box-shadow: var(--shadow-panel);
}

/* ---------- Topbar: barra superior de la app con cajetín del alumno ---------- */
.app-topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  z-index: 180;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.25);
}

html[data-theme="light"] .app-topbar {
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.08);
}

.app-topbar-row {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  height: 60px;
  max-width: 1500px;
  margin: 0 auto;
  padding: 0 16px;
}

.app-topbar .header-logo-mini {
  width: 36px;
  height: 36px;
}

.topbar-title h1 {
  font-family: var(--font-title);
  font-size: 1rem;
  margin: 0;
  color: var(--text-primary);
  white-space: nowrap;
  line-height: 1.25;
}

.topbar-title {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.topbar-title .canvas-subtitle {
  font-size: 0.6rem;
  margin-top: 1px;
}

.app-topbar .header-student-box {
  margin-left: auto;
  flex: none;
}

.app-topbar .student-field input {
  width: 240px;
  height: 34px;
  padding: 4px 10px;
  font-size: 0.8rem;
}

.app-topbar .student-field-sm input { width: 110px; }
.app-topbar .student-field-xs input { width: 74px; }

.app-topbar .header-student-box {
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  justify-content: flex-start !important;
  gap: 10px !important;
  margin-left: auto !important;
  margin-right: 0 !important;
  margin-top: 0 !important;
  margin-bottom: 0 !important;
  padding: 0 !important;
  height: auto !important;
}

.app-topbar .student-field {
  justify-content: center !important;
}

.app-topbar .student-field label {
  line-height: 1 !important;
}

/* La app arranca bajo la topbar (60px), sin solaparse con ella */
.app-container {
  margin-top: 60px;
  height: calc(100vh - 60px);
}

/* ---------- Toolbox EXTRA compacto (ajuste fino para un vistazo total) ---------- */
/* Botón Simular: se baja a la esquina inferior derecha para no montarse sobre la cabecera */
.btn-simulate-fixed {
  top: auto !important;
  bottom: 24px;
  right: 24px;
}

.sidebar {
  padding: 10px 10px 4px;
}

.toolbox-grid {
  grid-template-columns: repeat(auto-fill, minmax(64px, 1fr));
  gap: 6px;
}

.toolbox-section {
  margin-bottom: 8px;
}

.toolbox-section h2 {
  font-size: 0.64rem;
  margin-bottom: 5px;
  padding-bottom: 3px;
}

.toolbox-item {
  padding: 4px 2px 3px;
}

.toolbox-item span {
  margin-top: 2px;
  font-size: 0.6rem;
}

.toolbox-item [class*="icon-gate"],
.toolbox-item .icon-bulb,
.toolbox-item .icon-comment {
  width: 24px;
  height: 24px;
  background-size: contain;
}

/* Switch: es CSS puro (caja 40×20 + círculo), NO background — mantener su proporción 2:1 */
.toolbox-item .icon-switch {
  width: 30px;
  height: 15px;
}

.toolbox-item .icon-switch::after {
  width: 11px;
  height: 11px;
  top: 1px;
  left: 2px;
}

.controls-section {
  margin-top: 4px;
}

.controls-section .btn-secondary,
.controls-section .btn-primary {
  padding: 5px 6px;
  font-size: 0.72rem;
  margin-bottom: 4px;
}

.controls-section #btn-print {
  margin-bottom: 0;
}

.controls-section .separator {
  margin: 2px 0;
}

#btn-clear {
  margin-top: 5px;
  padding: 5px;
  font-size: 0.7rem;
}