/* ============================================
   GENERADOR DE FANTASMAS - ESTÉTICA FANTASMOGENESIS
   Brutalist / Minimalista
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@300;400;500;600&display=swap');

/* ============================================
   VARIABLES CSS
   ============================================ */
:root {
  /* Colores - Brutalist B&W */
  --bg-primary: #ffffff;
  --bg-secondary: #f5f5f5;
  --bg-tertiary: #eeeeee;
  --text-primary: #000000;
  --text-secondary: #666666;
  --text-tertiary: #999999;
  --border: #000000;
  --border-light: #dddddd;
  --accent: #000000;
  
  /* Espaciado - Compacto para MacBook */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 24px;
  --space-xxl: 32px;
  
  /* Sin border radius - Brutalist */
  --radius-sm: 0px;
  --radius-md: 0px;
  --radius-lg: 0px;
  
  /* Transiciones suaves */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Sombras */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
}

/* ============================================
   RESET Y BASE
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
  font-weight: 400;
  text-transform: lowercase;
}

.container {
  max-width: 100%;
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
}

/* ============================================
   HEADER
   ============================================ */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border);
}

.site-title {
  font-size: 16px;
  font-weight: 500;
  margin: 0;
  text-transform: lowercase;
  letter-spacing: 0;
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.language-select {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 400;
  font-family: 'Manrope', sans-serif;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-transform: lowercase;
}

.language-select:hover {
  background: var(--text-primary);
  color: var(--bg-primary);
}

.language-select option {
  background: var(--bg-primary);
  color: var(--text-primary);
}

/* ============================================
   TITLE SECTION
   ============================================ */
.title-section {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.main-title {
  font-size: 20px;
  font-weight: 400;
  margin-bottom: var(--space-sm);
  letter-spacing: 0;
  text-transform: lowercase;
}

.subtitle {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  font-weight: 400;
  text-transform: lowercase;
}

.description {
  font-size: 12px;
  color: var(--text-primary);
  line-height: 1.5;
  margin-bottom: var(--space-md);
  max-width: 600px;
  text-transform: lowercase;
  margin-left: auto;
  margin-right: auto;
}

.donate-text {
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  text-transform: lowercase;
}

.donate-text a {
  color: var(--text-primary);
  text-decoration: none;
  border-bottom: 1px solid var(--text-primary);
  transition: all var(--transition-fast);
}

.donate-text a:hover {
  background: var(--text-primary);
  color: var(--bg-primary);
}

/* ============================================
   CANVAS
   ============================================ */
.canvas-container {
  position: relative;
  background: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-lg);
  max-height: 400px;
}

#glCanvas {
  width: 100%;
  height: 400px;
  display: block;
  background: var(--bg-primary);
}

.canvas-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 100;
}

/* ============================================
   CONTROLES PRINCIPALES (BARRA DE ACCIONES)
   ============================================ */
.action-bar {
  display: flex;
  justify-content: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

.btn {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  font-size: 10px;
  font-weight: 400;
  font-family: 'Manrope', sans-serif;
  text-transform: lowercase;
  letter-spacing: 0;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn:hover {
  background: var(--text-primary);
  color: var(--bg-primary);
}

.btn:active {
  transform: translateY(0);
}

/* ============================================
   PANELES COLAPSABLES
   ============================================ */
.collapsible-panel {
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  overflow: hidden;
  transition: all var(--transition-medium);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) 0;
  background: transparent;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.panel-header:hover {
  padding-left: var(--space-sm);
}

.panel-title {
  font-size: 11px;
  font-weight: 500;
  text-transform: lowercase;
  letter-spacing: 0;
}

.panel-toggle {
  font-size: 20px;
  transition: transform var(--transition-normal);
  color: var(--text-secondary);
}

.collapsible-panel.expanded .panel-toggle {
  transform: rotate(180deg);
}

.panel-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.collapsible-panel.expanded .panel-content {
  max-height: 1500px;
}

.panel-inner {
  padding: var(--space-md);
}

/* ============================================
   SHADER SELECTOR
   ============================================ */
.shader-controls {
  margin-bottom: var(--space-lg);
}

.shader-select {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: var(--space-md);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-family: 'Manrope', sans-serif;
  margin-bottom: var(--space-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-transform: lowercase;
}

.shader-select:hover,
.shader-select:focus {
  background: var(--text-primary);
  color: var(--bg-primary);
  outline: none;
}

.shader-select optgroup {
  font-weight: 600;
  color: var(--text-primary);
}

.shader-select option {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  padding: var(--space-sm);
}

.random-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

/* ============================================
   CONTROLES GRID (MODULADORES Y EFECTOS)
   ============================================ */
.controls-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.control-column {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.column-title {
  font-size: 10px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  text-transform: lowercase;
  letter-spacing: 0;
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--border);
}

/* ============================================
   SLIDERS MINIMALISTAS
   ============================================ */
.slider-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.slider-row label {
  font-size: 9px;
  font-weight: 400;
  color: var(--text-primary);
  text-transform: lowercase;
  letter-spacing: 0;
}

.slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 2px;
  background: var(--border-light);
  outline: none;
  transition: background var(--transition-fast);
}

.slider:hover {
  background: var(--border);
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  background: var(--text-primary);
  border: 1px solid var(--text-primary);
  border-radius: 0;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.slider::-webkit-slider-thumb:hover {
  transform: scale(1.1);
}

.slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: var(--text-primary);
  border: 1px solid var(--text-primary);
  border-radius: 0;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.slider::-moz-range-thumb:hover {
  transform: scale(1.1);
}

.slider::-moz-range-track {
  width: 100%;
  height: 1px;
  background: var(--border);
  border: none;
}

.slider-value {
  font-size: 10px;
  color: var(--text-tertiary);
  text-align: right;
}

/* ============================================
   VIDEO MIXER
   ============================================ */
.layer-opacity-controls {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* ============================================
   EFFECT TARGETING
   ============================================ */
.effect-target-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm);
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
}

.effect-label {
  min-width: 50px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-primary);
  text-transform: uppercase;
}

.target-checkboxes {
  display: flex;
  gap: var(--space-md);
  flex: 1;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 10px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.checkbox-label:hover {
  color: var(--text-primary);
}

.checkbox-label input[type="checkbox"] {
  width: 14px;
  height: 14px;
  accent-color: var(--text-primary);
  cursor: pointer;
}

.effect-global-controls {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
}

.effect-control-btn {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 10px;
  font-weight: 400;
  font-family: 'Manrope', sans-serif;
  text-transform: lowercase;
  letter-spacing: 0;
  transition: all var(--transition-fast);
}

.effect-control-btn:hover {
  background: var(--text-primary);
  color: var(--bg-primary);
}

/* ============================================
   MIDI STATUS
   ============================================ */
.midi-status {
  position: fixed;
  top: 60px;
  right: var(--space-lg);
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-size: 10px;
  font-weight: 400;
  font-family: 'Manrope', sans-serif;
  text-transform: lowercase;
  letter-spacing: 0;
  z-index: 1001;
  transition: all var(--transition-fast);
}

.midi-status.connected {
  background: var(--text-primary);
  color: var(--bg-primary);
}

/* ============================================
   MIDI MODAL
   ============================================ */
.midi-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.95);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2000;
}

.midi-modal-content {
  background: var(--bg-primary);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.midi-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg);
  border-bottom: 2px solid var(--border);
}

.midi-modal-header h3 {
  font-size: 16px;
  font-weight: 500;
  margin: 0;
  text-transform: lowercase;
}

.midi-close-btn {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 24px;
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.midi-close-btn:hover {
  background: var(--text-primary);
  color: var(--bg-primary);
}

.midi-modal-body {
  padding: var(--space-lg);
}

.midi-modal-body p {
  font-size: 13px;
  text-align: center;
  margin-bottom: var(--space-lg);
  color: var(--text-secondary);
}

.midi-mappings {
  display: grid;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.midi-mapping-item {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.midi-mapping-item:hover {
  border-color: var(--border-hover);
  background: var(--bg-primary);
}

.midi-mapping-item.learning {
  background: var(--text-primary);
  border-color: var(--text-primary);
  color: var(--bg-primary);
}

.midi-mapping-label {
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.midi-mapping-value {
  font-size: 11px;
  color: var(--text-secondary);
}

.midi-mapping-item.learning .midi-mapping-value {
  color: var(--bg-primary);
  opacity: 0.7;
}

.midi-learn-btn {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all var(--transition-fast);
}

.midi-learn-btn:hover {
  background: var(--text-primary);
  color: var(--bg-primary);
  border-color: var(--text-primary);
}

.midi-learn-btn.learning {
  background: var(--bg-primary);
  color: var(--text-primary);
  border-color: var(--bg-primary);
}

.midi-status-modal {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
  text-align: center;
  margin-bottom: var(--space-lg);
}

.midi-status-modal span {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}

.midi-modal-footer {
  padding: var(--space-lg);
  border-top: 1px solid var(--border);
  text-align: center;
}

/* ============================================
   INDICATORS
   ============================================ */
.song-indicator {
  position: absolute;
  bottom: var(--space-md);
  right: var(--space-md);
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  color: var(--text-primary);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 500;
  border: 1px solid var(--border);
  pointer-events: none;
  z-index: 1000;
}

.error-message {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(255, 0, 0, 0.9);
  color: white;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  text-align: center;
  z-index: 1001;
  max-width: 300px;
}

/* ============================================
   FULLSCREEN MODE
   ============================================ */
body.fullscreen #glCanvas {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  z-index: 9999 !important;
  border-radius: 0 !important;
}

.fullscreen .song-indicator,
.fullscreen .midi-status,
.fullscreen .error-message {
  display: none !important;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
  .controls-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
}

@media (max-width: 768px) {
  .container {
    padding: var(--space-md);
  }
  
  .header {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
  
  .ghost-logo {
    height: 40px;
  }
  
  .main-title {
    font-size: 28px;
  }
  
  .action-bar {
    gap: var(--space-xs);
  }
  
  .btn {
    padding: var(--space-xs) var(--space-sm);
    font-size: 10px;
  }
  
  .controls-grid {
    grid-template-columns: 1fr;
  }
  
  .random-buttons {
    grid-template-columns: 1fr;
  }
  
  .midi-status {
    top: var(--space-sm);
    right: var(--space-sm);
    font-size: 9px;
    padding: var(--space-xs) var(--space-sm);
  }
}

@media (max-width: 480px) {
  .target-checkboxes {
    flex-direction: column;
    gap: var(--space-xs);
  }
  
  .effect-global-controls {
    flex-direction: column;
  }
}

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

.fade-in {
  animation: fadeIn var(--transition-normal);
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* ============================================
   SCROLLBAR PERSONALIZADO
   ============================================ */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-hover);
}