/* ==========================================================================
   Terminal Checador de Asistencia PWA - Custom Stylesheet
   Colores Base: Azul (Primary / Entrada) y Rojo (Secondary / Salida / Acciones)
   ========================================================================== */

:root {
  /* Modo Obscuro (Default Terminal Industrial) */
  --bg-color: #0b1120;
  --panel-bg: #151f32;
  --card-bg: #1e293b;
  --border-color: #334155;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  
  /* Colores Corporativos Requeridos: Azul y Rojo */
  --blue-primary: #2563eb;
  --blue-hover: #1d4ed8;
  --blue-glow: rgba(37, 99, 235, 0.4);
  
  --red-accent: #dc2626;
  --red-hover: #b91c1c;
  --red-glow: rgba(220, 38, 38, 0.4);
  
  /* Estados */
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;

  /* Teclado Táctil */
  --btn-key-bg: #2d3748;
  --btn-key-hover: #4a5568;
  --btn-key-active: #2563eb;
  
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.3);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
  /* Modo Claro */
  --bg-color: #f1f5f9;
  --panel-bg: #ffffff;
  --card-bg: #f8fafc;
  --border-color: #cbd5e1;
  --text-main: #0f172a;
  --text-muted: #64748b;
  
  --blue-primary: #0056b3;
  --blue-hover: #004085;
  --blue-glow: rgba(0, 86, 179, 0.25);
  
  --red-accent: #c82333;
  --red-hover: #bd2130;
  --red-glow: rgba(200, 35, 51, 0.25);
  
  --btn-key-bg: #e2e8f0;
  --btn-key-hover: #cbd5e1;
  --btn-key-active: #0056b3;
  
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
  -webkit-user-select: none;
  font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Header Terminal Industrial */
.app-header {
  background: var(--panel-bg);
  border-bottom: 2px solid var(--border-color);
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow-sm);
}

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

.brand-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--blue-primary), var(--red-accent));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: bold;
  font-size: 20px;
  box-shadow: 0 0 10px var(--blue-glow);
}

.brand-title h1 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.brand-title span {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: block;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 16px;
}

.clock-display {
  text-align: right;
  font-family: monospace;
}

.clock-time {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--blue-primary);
}

.clock-date {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.btn-icon {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  font-size: 1.1rem;
}

.btn-icon:hover {
  background: var(--blue-primary);
  color: #fff;
  border-color: var(--blue-primary);
}

/* Layout Principal Grid */
.main-container {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding: 20px;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

@media (min-width: 900px) {
  .main-container {
    grid-template-columns: 1.2fr 1fr;
  }
}

/* Panel Izquierdo: Cámara & Visor */
.camera-panel {
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.video-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #000;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-wrapper video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scaleX(-1); /* Modo espejo */
}

.video-wrapper canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  transform: scaleX(-1); /* Coincidir con espejo de video */
}

/* Badges sobre Video */
.video-overlay-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-color);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 10;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--warning-color);
  box-shadow: 0 0 8px var(--warning-color);
  transition: var(--transition);
}

.status-dot.active {
  background: var(--success-color);
  box-shadow: 0 0 10px var(--success-color);
}

.status-dot.error {
  background: var(--error-color);
  box-shadow: 0 0 10px var(--error-color);
}

/* Status Card GPS */
.gps-status-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.gps-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.gps-icon {
  font-size: 1.4rem;
  color: var(--blue-primary);
}

.gps-details h4 {
  font-size: 0.85rem;
  font-weight: 600;
}

.gps-details p {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: monospace;
}

.badge-gps {
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 700;
  background: rgba(245, 158, 11, 0.2);
  color: var(--warning-color);
  border: 1px solid var(--warning-color);
}

.badge-gps.connected {
  background: rgba(16, 185, 129, 0.2);
  color: var(--success-color);
  border-color: var(--success-color);
}

.badge-gps.error {
  background: rgba(239, 68, 68, 0.2);
  color: var(--error-color);
  border-color: var(--error-color);
}

/* Panel Derecho: Teclado y Control */
.control-panel {
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  box-shadow: var(--shadow-lg);
}

/* Selector de Tipo (ENTRADA / SALIDA) */
.mode-toggle-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--card-bg);
  padding: 6px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  gap: 6px;
}

.mode-btn {
  border: none;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  background: transparent;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.mode-btn[data-mode="ENTRADA"].active {
  background: var(--blue-primary);
  color: #ffffff;
  box-shadow: 0 4px 12px var(--blue-glow);
}

.mode-btn[data-mode="SALIDA"].active {
  background: var(--red-accent);
  color: #ffffff;
  box-shadow: 0 4px 12px var(--red-glow);
}

/* Campo Display PIN */
.pin-display-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.pin-input {
  width: 100%;
  background: var(--card-bg);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 6px;
  text-align: center;
  color: var(--text-main);
  outline: none;
  transition: var(--transition);
}

.pin-input:focus {
  border-color: var(--blue-primary);
  box-shadow: 0 0 10px var(--blue-glow);
}

.btn-toggle-pin-mask {
  position: absolute;
  right: 12px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 6px;
}

/* Teclado Numérico Grande para Tablet */
.numpad-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.key-btn {
  background: var(--btn-key-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  box-shadow: var(--shadow-sm);
}

.key-btn:active {
  transform: scale(0.96);
  background: var(--btn-key-active);
  color: #fff;
}

.key-btn.btn-clear {
  background: rgba(220, 38, 38, 0.15);
  color: var(--red-accent);
  border-color: var(--red-accent);
}

.key-btn.btn-clear:active {
  background: var(--red-accent);
  color: #fff;
}

.key-btn.btn-backspace {
  background: rgba(37, 99, 235, 0.15);
  color: var(--blue-primary);
  border-color: var(--blue-primary);
}

.key-btn.btn-backspace:active {
  background: var(--blue-primary);
  color: #fff;
}

/* Lista de Requisitos */
.requirements-checklist {
  display: flex;
  justify-content: space-around;
  background: var(--card-bg);
  padding: 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  font-size: 0.75rem;
  font-weight: 600;
}

.req-item {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
}

.req-item.valid {
  color: var(--success-color);
}

/* Botón Principal Registrar */
.btn-submit-attendance {
  width: 100%;
  padding: 18px;
  border-radius: var(--radius-md);
  border: none;
  background: linear-gradient(135deg, var(--blue-primary), var(--blue-hover));
  color: #ffffff;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 0 6px 20px var(--blue-glow);
}

.btn-submit-attendance.mode-salida {
  background: linear-gradient(135deg, var(--red-accent), var(--red-hover));
  box-shadow: 0 6px 20px var(--red-glow);
}

.btn-submit-attendance:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  box-shadow: none;
  filter: grayscale(0.5);
}

.btn-submit-attendance:not(:disabled):hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
}

/* Modal y Loader Overlay */
.overlay-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(11, 17, 32, 0.85);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.overlay-modal.active {
  opacity: 1;
  pointer-events: auto;
}

.loader-box {
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  padding: 30px 40px;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--border-color);
  border-top-color: var(--blue-primary);
  border-right-color: var(--red-accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Toast Result Modal */
.toast-modal-box {
  background: var(--panel-bg);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  width: 90%;
  max-width: 440px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  animation: popIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes popIn {
  from { transform: scale(0.8); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.toast-icon-circle {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: justify;
  align-items: center;
  font-size: 2.2rem;
  margin-bottom: 4px;
}

.toast-icon-circle.success {
  background: rgba(16, 185, 129, 0.2);
  color: var(--success-color);
  border: 2px solid var(--success-color);
}

.toast-icon-circle.error {
  background: rgba(239, 68, 68, 0.2);
  color: var(--error-color);
  border: 2px solid var(--error-color);
}

.toast-title {
  font-size: 1.4rem;
  font-weight: 700;
}

.toast-message {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.toast-timer-bar {
  width: 100%;
  height: 4px;
  background: var(--border-color);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 10px;
}

.toast-timer-progress {
  height: 100%;
  background: var(--blue-primary);
  width: 100%;
  animation: toastCountdown 3s linear forwards;
}

@keyframes toastCountdown {
  from { width: 100%; }
  to { width: 0%; }
}