/* ========== DESKRITORIO - ESTILOS PREMIUM (VARIABLES) ========== */
:root {
  /* Tema claro (por defecto) */
  --bg: #f5f7fa;
  --panel-bg: rgba(255, 255, 255, 0.96);
  --text: #1e293b;
  --text-secondary: #64748b;
  --border: #e2e8f0;
  --accent: #3b82f6;
  --btn-bg: #ffffff;
  --btn-hover: #f8fafc;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 20px 40px -8px rgba(0, 0, 0, 0.15), 0 4px 12px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --grid-color: #cbd5e1;
  --selection-border: #3b82f6;
  --edit-mode-border: #fdcb6e;
  --danger: #ef4444;
  --success: #22c55e;
  --warning: #f59e0b;
  --info: #3b82f6;
}

/* ========== ESTILOS BASE ========== */
* {
  box-sizing: border-box;
}

body, html {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  font-family: 'Segoe UI', -apple-system, sans-serif;
  touch-action: none;
  color: var(--text);
}

/* ========== PANEL PRINCIPAL (HUD) ========== */
#ui-panel {
  position: fixed;
  top: 20px;
  left: 20px;
  background: var(--panel-bg);
  backdrop-filter: blur(12px);
  color: var(--text);
  padding: 0;
  border-radius: 24px;
  z-index: 9999;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  width: 320px;
  max-height: 95vh;
  overflow: hidden;
  font-size: 12px;
  display: flex;
  flex-direction: column;
  transition: width 0.2s ease;
}

/* Cabecera del HUD (arrastrable) */
#ui-panel .panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  cursor: move;
  border-bottom: 1px solid var(--border);
  user-select: none;
}

#ui-panel .panel-header b {
  font-size: 14px;
  font-weight: 600;
}

#collapse-hud {
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  color: var(--text-secondary);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  transition: background 0.15s;
}

#collapse-hud:hover {
  background: var(--btn-hover);
}

/* Contenido del HUD */
#hud-content {
  padding: 16px;
  overflow-y: auto;
  max-height: calc(95vh - 60px);
}

/* Cuando el HUD está colapsado */
#ui-panel.collapsed {
  width: auto;
  min-width: 200px;
}

#ui-panel.collapsed #hud-content {
  display: none;
}

/* ========== BOTONES ========== */
.btn {
  background: var(--btn-bg);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 8px 14px;
  margin: 3px 2px;
  border-radius: 40px;
  cursor: pointer;
  font-weight: 500;
  font-size: 12px;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: var(--shadow-sm);
}

.btn:hover {
  background: var(--btn-hover);
  border-color: var(--border);
  transform: translateY(-1px);
  box-shadow: 0 8px 16px -6px rgba(0, 0, 0, 0.1);
}

.btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn:disabled {
  background: var(--btn-bg);
  color: var(--text-secondary);
  border-color: var(--border);
  cursor: not-allowed;
  opacity: 0.7;
  box-shadow: none;
  transform: none;
}

/* Variantes de color (mantienen coherencia con el tema) */
.btn-danger {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
  border-color: rgba(239, 68, 68, 0.3);
}
.btn-danger:hover {
  background: rgba(239, 68, 68, 0.2);
  border-color: var(--danger);
}

.btn-success {
  background: rgba(34, 197, 94, 0.1);
  color: var(--success);
  border-color: rgba(34, 197, 94, 0.3);
}
.btn-success:hover {
  background: rgba(34, 197, 94, 0.2);
  border-color: var(--success);
}

.btn-warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
  border-color: rgba(245, 158, 11, 0.3);
}
.btn-warning:hover {
  background: rgba(245, 158, 11, 0.2);
  border-color: var(--warning);
}

.btn-text {
  background: rgba(109, 40, 217, 0.1);
  color: #6d28d9;
  border-color: rgba(109, 40, 217, 0.3);
}
.btn-text:hover {
  background: rgba(109, 40, 217, 0.2);
  border-color: #6d28d9;
}

.btn-shadow {
  background: var(--btn-bg);
  color: var(--text);
  border-color: var(--border);
}
.btn-shadow.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

/* ========== VIEWPORT Y CANVAS ========== */
#viewport {
  width: 100vw;
  height: 100vh;
  position: relative;
  cursor: grab;
  background: var(--bg);
}

#viewport:active {
  cursor: grabbing;
}

#canvas {
  width: 100%;
  height: 100%;
  transform-origin: 0 0;
  position: absolute;
  top: 0;
  left: 0;
  will-change: transform;
}

#canvas::before {
  content: '';
  position: absolute;
  width: 10000px;
  height: 10000px;
  top: -5000px;
  left: -5000px;
  background-image: radial-gradient(circle, var(--grid-color) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.4;
  pointer-events: none;
}

/* ========== ELEMENTOS ARRASTRABLES ========== */
.draggable-image,
.draggable-text {
  position: absolute;
  cursor: grab;
  border: 2px solid transparent;
  transition: border 0.15s ease, box-shadow 0.15s ease;
  -webkit-touch-callout: none;
  user-select: none;
  pointer-events: auto;
}

.draggable-image:hover,
.draggable-text:hover {
  border: 2px solid rgba(59, 130, 246, 0.4);
}

.draggable-image.selected,
.draggable-text.selected {
  border: 2px solid var(--selection-border);
  box-shadow: 0 0 0 6px rgba(59, 130, 246, 0.15), 0 12px 30px -8px rgba(0, 0, 0, 0.2);
  cursor: grabbing;
}

.draggable-image {
  max-width: 300px;
  transform-origin: center;
  border-radius: 12px;
  background: #fff;
}

.draggable-text {
  min-width: 50px;
  padding: 10px 16px;
  border-radius: 16px;
  color: var(--text);
  background: var(--panel-bg);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}

.draggable-text .text-content {
  outline: none;
  word-wrap: break-word;
  min-height: 20px;
}

/* Modo edición de texto */
.draggable-text.edit-mode {
  border: 3px solid var(--edit-mode-border) !important;
  background: rgba(253, 203, 110, 0.15) !important;
  box-shadow: 0 0 0 5px rgba(253, 203, 110, 0.2) !important;
  cursor: text !important;
  z-index: 10000 !important;
}

.draggable-text.edit-mode .text-content {
  cursor: text;
  user-select: text;
  min-width: 200px;
  min-height: 50px;
}

/* ========== TOAST (notificaciones) ========== */
#toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(150%);
  background: var(--panel-bg);
  backdrop-filter: blur(12px);
  color: var(--text);
  padding: 12px 24px;
  border-radius: 40px;
  font-size: 13px;
  font-weight: 500;
  z-index: 10001;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  white-space: nowrap;
  max-width: 80vw;
  overflow: hidden;
  text-overflow: ellipsis;
  pointer-events: none;
  opacity: 0;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              opacity 0.2s ease;
}

#toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

#toast.success { border-left: 4px solid var(--success); }
#toast.error   { border-left: 4px solid var(--danger); }
#toast.info    { border-left: 4px solid var(--info); }
#toast.warning { border-left: 4px solid var(--warning); }

/* ========== SECCIÓN DE MÓDULOS ========== */
.modules-section {
  margin-top: 16px;
  border-top: 1px solid var(--border);
  padding-top: 12px;
}

.module-toggle {
  margin: 6px 0;
}

.module-toggle label {
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
}

.module-toggle input[type="checkbox"] {
  accent-color: var(--accent);
  width: 18px;
  height: 18px;
  cursor: pointer;
}

#module-controls {
  margin-top: 12px;
  padding-top: 8px;
  border-top: 1px dashed var(--border);
}

/* ========== PANELES FLOTANTES ========== */
#floating-panels {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
}

#floating-panels > * {
  pointer-events: auto;
  background: var(--panel-bg);
  backdrop-filter: blur(16px);
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  color: var(--text);
}

/* Cabecera de paneles arrastrables */
.floating-panel .panel-header,
#text-editor-toolbar .panel-header,
#layers-panel .panel-header,
#minimap-panel .panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 15px;
  cursor: move;
  border-bottom: 1px solid var(--border);
  user-select: none;
}

.panel-header h4 {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.drag-btn {
  background: none;
  border: none;
  font-size: 18px;
  cursor: move;
  color: var(--text-secondary);
}

.close-btn {
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  color: var(--danger);
}

/* ========== CONTROLES DE FORMULARIO ========== */
input[type="range"] {
  accent-color: var(--accent);
  width: 100%;
  cursor: pointer;
  background: transparent;
}

input[type="color"] {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2px;
  width: 40px;
  height: 36px;
  cursor: pointer;
  background: var(--btn-bg);
}

select {
  background: var(--btn-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
}

.slider-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 8px;
}

.slider-group label {
  font-size: 12px;
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
}

.slider-group .value {
  color: var(--accent);
  font-weight: 600;
}

/* ========== MODAL DE CONFIRMACIÓN ========== */
#delete-confirm-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(4px);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 10010;
  opacity: 0;
  transition: opacity 0.2s ease;
}

#delete-confirm-modal.show {
  display: flex;
  opacity: 1;
}

#delete-confirm-modal .modal-content {
  background: var(--panel-bg);
  backdrop-filter: blur(12px);
  padding: 24px;
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  color: var(--text);
  max-width: 320px;
  text-align: center;
  transform: scale(0.95);
  transition: transform 0.2s ease;
}

#delete-confirm-modal.show .modal-content {
  transform: scale(1);
}

#delete-confirm-modal h3 {
  margin: 0 0 12px 0;
  font-size: 18px;
  font-weight: 600;
}

#delete-confirm-modal p {
  margin: 0 0 24px 0;
  color: var(--text-secondary);
}

#delete-confirm-modal .modal-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
}

#delete-confirm-modal .btn-cancel {
  background: var(--btn-bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 20px;
  border-radius: 40px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}

#delete-confirm-modal .btn-cancel:hover {
  background: var(--btn-hover);
}

#delete-confirm-modal .btn-confirm {
  background: var(--danger);
  border: none;
  color: white;
  padding: 10px 20px;
  border-radius: 40px;
  font-weight: 500;
  cursor: pointer;
  box-shadow: 0 4px 6px -2px rgba(239, 68, 68, 0.2);
  transition: all 0.15s;
}

#delete-confirm-modal .btn-confirm:hover {
  background: #dc2626;
  box-shadow: 0 6px 10px -2px rgba(239, 68, 68, 0.3);
}

/* ========== MENÚ TÁCTIL ========== */
#touch-menu {
  position: fixed;
  background: var(--panel-bg);
  backdrop-filter: blur(12px);
  color: var(--text);
  padding: 12px;
  border-radius: 20px;
  z-index: 10000;
  display: none;
  flex-direction: column;
  gap: 6px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  min-width: 220px;
}

#touch-menu button {
  background: var(--btn-bg);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 10px 14px;
  border-radius: 12px;
  cursor: pointer;
  text-align: left;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: all 0.15s;
}

#touch-menu button:hover {
  background: var(--btn-hover);
  border-color: var(--border);
}

/* ========== MINI MAPA ========== */
#minimap-panel {
  position: fixed;
  left: 20px;
  bottom: 20px;
  width: 220px;
  background: var(--panel-bg);
  backdrop-filter: blur(8px);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  z-index: 10010;
  padding: 8px;
}

#minimap-canvas {
  display: block;
  border-radius: 8px;
  background: var(--btn-bg);
  cursor: crosshair;
}

/* ========== REGLAS ========== */
#h-ruler, #v-ruler {
  position: fixed;
  background: var(--btn-bg);
  border-color: var(--border);
  z-index: 9998;
  cursor: crosshair;
}

/* ========== UTILIDADES ========== */
.hidden {
  display: none !important;
}

/* ---------- PANELES FLOTANTES UNIFICADOS ---------- */
.floating-panel {
  background: var(--panel-bg);
  backdrop-filter: blur(16px);
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  color: var(--text);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  cursor: move;
  border-bottom: 1px solid var(--border);
  user-select: none;
  background: var(--panel-bg);
}

.panel-header h4 {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.panel-header-btns {
  display: flex;
  gap: 6px;
}

.drag-btn, .close-btn {
  background: none;
  border: none;
  font-size: 16px;
  cursor: pointer;
  padding: 4px;
  border-radius: 6px;
  transition: background 0.15s;
  color: var(--text-secondary);
}

.drag-btn:hover, .close-btn:hover {
  background: var(--btn-hover);
}

.close-btn {
  color: var(--danger);
}

.panel-body {
  padding: 16px;
  overflow-y: auto;
  flex: 1;
}

/* Ajuste para que los inputs hereden el color */
.floating-panel input,
.floating-panel select,
.floating-panel button:not(.drag-btn):not(.close-btn) {
  font-family: inherit;
}

/* Minimapa */
#minimap-canvas {
  background: var(--btn-bg);
  border: 1px solid var(--border);
}
/* Ajustes específicos para el panel del minimapa */
.floating-panel.minimap-panel .panel-body {
  max-height: none;
  overflow: visible;
  padding: 8px;
}

#document-canvas {
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
  border-radius: 4px;
}

/* Paneles específicos que ya usan estas clases se beneficiarán automáticamente */

/* ========== TEMAS ADICIONALES (se aplican mediante JS) ========== */
/* Los temas se definen mediante variables CSS modificadas desde el módulo theme.js */