/* ==========================================================================
   QUEEE! — ESTILOS DE AUTENTICACIÓN Y WEB COMPANION (auth.css)
   Diseño Split-Screen Premium, Modo Oscuro, Glassmorphism y Microanimaciones
   ========================================================================== */

:root {
  --bg-dark: #0B1120;
  --bg-surface: #1E293B;
  --bg-surface-elevated: #243248;
  --bg-card: rgba(30, 41, 59, 0.75);
  --bg-card-hover: rgba(51, 65, 85, 0.85);
  --primary: #8B5CF6;
  --primary-glow: rgba(139, 92, 246, 0.45);
  --primary-variant: #7C3AED;
  --secondary: #10B981;
  --secondary-glow: rgba(16, 185, 129, 0.35);
  --accent-blue: #38BDF8;
  --accent-gold: #F59E0B;
  --accent-red: #EF4444;
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --border-glass: rgba(255, 255, 255, 0.09);
  --border-glass-bright: rgba(139, 92, 246, 0.35);
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Outfit', 'Inter', sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 26px;
  --shadow-premium: 0 10px 30px -10px rgba(0, 0, 0, 0.5), 0 0 25px rgba(139, 92, 246, 0.15);
  --transition-smooth: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(139, 92, 246, 0.15) 0%, transparent 45%),
    radial-gradient(circle at 85% 25%, rgba(56, 189, 248, 0.12) 0%, transparent 45%),
    radial-gradient(circle at 50% 85%, rgba(16, 185, 129, 0.08) 0%, transparent 50%);
  background-attachment: fixed;
  overflow-x: hidden;
}

/* ── HEADER MINIMALISTA ── */
.auth-header {
  padding: 16px 36px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(11, 17, 32, 0.75);
  position: sticky;
  top: 0;
  z-index: 100;
}

.auth-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  transition: transform 0.2s ease;
}

.auth-logo:hover {
  transform: scale(1.02);
}

.auth-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glass);
  background: rgba(30, 41, 59, 0.4);
  transition: var(--transition-smooth);
}

.auth-back-btn:hover {
  color: var(--text-main);
  border-color: var(--primary);
  background: rgba(139, 92, 246, 0.1);
  transform: translateX(-2px);
}

/* ── CONTENEDOR PRINCIPAL SPLIT-SCREEN ── */
.auth-main-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
}

.auth-split-wrapper {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  max-width: 1060px;
  width: 100%;
  background: rgba(30, 41, 59, 0.65);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-premium), 0 20px 40px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  position: relative;
}

.auth-split-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--secondary), transparent);
}

/* ── PANEL IZQUIERDO: WEB COMPANION QR ── */
.panel-qr {
  padding: 44px 40px;
  border-right: 1px solid var(--border-glass);
  background: rgba(15, 23, 42, 0.55);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.panel-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid rgba(139, 92, 246, 0.3);
  color: #C4B5FD;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 4px;
  margin-bottom: 18px;
}

.panel-title {
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 800;
  margin-bottom: 8px;
  background: linear-gradient(135deg, #FFFFFF 0%, #E2E8F0 60%, #94A3B8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.panel-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 360px;
  margin-bottom: 24px;
  line-height: 1.5;
}

/* Contenedor del Código QR (Limpio, nítido y sin artefactos visuales) */
.qr-container {
  width: 250px;
  height: 250px;
  background: #FFFFFF;
  border-radius: 20px;
  padding: 15px;
  margin: 0 auto 20px auto;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.4), 0 0 25px rgba(139, 92, 246, 0.2);
  border: 3px solid rgba(139, 92, 246, 0.35);
  overflow: hidden;
}

.qr-container canvas,
.qr-container > div > img {
  width: 100% !important;
  height: 100% !important;
  display: block;
  border-radius: 10px;
}

/* Logo central oficial de Queee! con marco protector blanco */
.qr-center-logo {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  background: #FFFFFF;
  border-radius: 12px;
  padding: 4px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.22);
  border: 2.5px solid #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 10;
}

.qr-center-logo img {
  width: 100% !important;
  height: 100% !important;
  border-radius: 8px;
  object-fit: cover;
  display: block;
}

.qr-status-box {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.84rem;
  color: var(--text-muted);
  background: rgba(30, 41, 59, 0.6);
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--border-glass);
  margin-bottom: 16px;
}

.qr-pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--secondary);
  box-shadow: 0 0 10px var(--secondary-glow);
  animation: pulseDot 1.8s infinite;
  flex-shrink: 0;
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.5; }
}

/* Pasos instructivos de emparejamiento */
.qr-steps-list {
  list-style: none;
  text-align: left;
  width: 100%;
  max-width: 380px;
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.qr-step-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.qr-step-num {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(139, 92, 246, 0.2);
  border: 1px solid rgba(139, 92, 246, 0.4);
  color: #C4B5FD;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.qr-step-item strong {
  color: var(--text-main);
}

.btn-refresh-qr {
  margin-top: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  font-size: 0.84rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-refresh-qr:hover {
  background: rgba(139, 92, 246, 0.15);
  border-color: var(--primary);
  color: #C4B5FD;
}

/* ── PANEL DERECHO: LOGIN TRADICIONAL ── */
.panel-login {
  padding: 44px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.auth-tabs {
  display: flex;
  gap: 8px;
  background: rgba(15, 23, 42, 0.7);
  padding: 5px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glass);
  margin-bottom: 24px;
}

.auth-tab-btn {
  flex: 1;
  padding: 10px 14px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.auth-tab-btn.active {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 15px var(--primary-glow);
}

/* Botón Google SSO */
.btn-google {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: #FFFFFF;
  color: #1E293B;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn-google:hover {
  background: #F8FAFC;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 20px 0;
}

.auth-divider-line {
  flex: 1;
  height: 1px;
  background: var(--border-glass);
}

.auth-divider-text {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Formulario */
.form-group {
  margin-bottom: 16px;
  text-align: left;
}

.form-label {
  display: block;
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text-main);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 0.92rem;
  transition: var(--transition-smooth);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(15, 23, 42, 0.85);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.25);
}

.form-input::placeholder {
  color: #64748B;
}

.form-options {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 16px;
}

.forgot-link {
  font-size: 0.82rem;
  color: #C4B5FD;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.forgot-link:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

/* Módulo Anti-Bot Turnstile */
.turnstile-box {
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 10px;
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 72px;
}

/* Botón Principal */
.btn-submit {
  width: 100%;
  padding: 13px 20px;
  border-radius: var(--radius-md);
  border: none;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-variant) 100%);
  color: white;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 18px var(--primary-glow);
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--primary-glow);
  filter: brightness(1.1);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.auth-note {
  margin-top: 18px;
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.5;
}

.auth-note a {
  color: #C4B5FD;
  text-decoration: none;
}

.auth-note a:hover {
  text-decoration: underline;
}

/* ── MODAL DE ONBOARDING ── */
.onboarding-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(11, 17, 32, 0.85);
  backdrop-filter: blur(12px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.onboarding-card {
  background: rgba(30, 41, 59, 0.95);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  max-width: 440px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-premium), 0 20px 50px rgba(0, 0, 0, 0.6);
  position: relative;
}

/* ── RESPONSIVE ADAPTATIVO ── */
@media (max-width: 900px) {
  .auth-split-wrapper {
    grid-template-columns: 1fr;
  }
  .panel-qr {
    border-right: none;
    border-bottom: 1px solid var(--border-glass);
    padding: 32px 24px;
  }
  .panel-login {
    padding: 32px 24px;
  }
}