:root {
  --bg-main: #090d16;
  --bg-card: rgba(22, 30, 46, 0.7);
  --bg-surface: #1e293b;
  --bg-input: rgba(30, 41, 59, 0.8);
  --border-card: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(99, 102, 241, 0.5);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-blue: #3b82f6;
  --accent-indigo: #6366f1;
  --accent-emerald: #10b981;
  --accent-rose: #f43f5e;
  --accent-amber: #f59e0b;

  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
}

/* Fondo con degradado ambiental suave */
.ambient-glow {
  position: fixed;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(16, 185, 129, 0.05) 50%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* Header */
.app-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(9, 13, 22, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-card);
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  font-size: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.header-brand h1 {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-meta {
  font-size: 0.75rem;
  color: var(--accent-emerald);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Badge de Estado */
.status-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.status-badge.waiting {
  background: rgba(245, 158, 11, 0.12);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.status-badge.connected {
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.status-badge.disconnected {
  background: rgba(244, 63, 94, 0.12);
  color: var(--accent-rose);
  border: 1px solid rgba(244, 63, 94, 0.25);
}

.status-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: currentColor;
  animation: pulse-dot 1.6s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.75); }
}

/* Contenedor Principal */
.main-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 16px;
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
  gap: 16px;
  position: relative;
  z-index: 1;
}

/* Barra de Herramientas */
.toolbar-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 10px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.room-box {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.input-pill {
  display: flex;
  align-items: center;
  background: var(--bg-input);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  overflow: hidden;
  padding: 2px 4px 2px 10px;
}

.input-pill input {
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  width: 110px;
}

.btn-subtle {
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
  border: 1px solid rgba(99, 102, 241, 0.3);
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-subtle:hover {
  background: var(--accent-indigo);
  color: white;
}

.stats-pills {
  display: flex;
  gap: 8px;
}

.stat-tag {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-card);
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-family: ui-monospace, monospace;
}

/* Área de Pantalla / Frame de Teléfono */
.viewport-stage {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 480px;
}

.device-frame {
  position: relative;
  background: #000;
  border-radius: 36px;
  border: 4px solid #283347;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255, 255, 255, 0.1);
  max-height: min(72vh, 720px);
  width: auto;
  aspect-ratio: 9 / 19.5;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: crosshair;
  user-select: none;
}

#screenCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* Estado Vacío */
.empty-state {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 28px;
  background: rgba(13, 19, 33, 0.96);
  z-index: 10;
}

.empty-illustration {
  font-size: 54px;
  margin-bottom: 14px;
  filter: drop-shadow(0 10px 15px rgba(0,0,0,0.5));
}

.empty-state h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 20px;
}

.empty-tip {
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  font-size: 0.78rem;
  color: #c7d2fe;
  line-height: 1.5;
}

/* Efecto Radar de Toque */
.pointer-radar {
  position: absolute;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(244, 63, 94, 0.8) 0%, rgba(244, 63, 94, 0) 70%);
  border: 2px solid #ff0055;
  transform: translate(-50%, -50%) scale(0);
  pointer-events: none;
  opacity: 0;
  transition: transform 0.35s cubic-bezier(0.1, 0.9, 0.2, 1), opacity 0.4s ease-out;
  z-index: 50;
  box-shadow: 0 0 20px #ff0055;
}

.pointer-radar.active {
  transform: translate(-50%, -50%) scale(1.5);
  opacity: 1;
}

/* Dock de Acciones */
.dock-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.dock-header {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.action-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip-btn {
  background: var(--bg-input);
  border: 1px solid var(--border-card);
  color: var(--text-primary);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.2, 0, 0, 1);
}

.chip-btn:hover {
  background: rgba(99, 102, 241, 0.25);
  border-color: rgba(99, 102, 241, 0.5);
  transform: translateY(-1px);
}

.chip-btn:active {
  transform: scale(0.97);
}

.custom-prompt-row {
  display: flex;
  gap: 8px;
}

.custom-prompt-row input {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border-card);
  color: white;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.2s;
}

.custom-prompt-row input:focus {
  border-color: var(--accent-indigo);
}

.btn-send {
  background: linear-gradient(135deg, var(--accent-indigo), var(--accent-blue));
  color: white;
  border: none;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-family: inherit;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-send:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}