/* =====================================================
   DARK CYBERPUNK MINIMAL THEME TOKENS & ANIMATIONS
   TripTight Travel Platform
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Color Palette */
  --bg-base: #000000;
  --surface-raised: #101223;
  --surface-strong: #06070d;
  --surface-elevated: #161933;
  --surface-glass: rgba(16, 18, 35, 0.75);
  
  --text-primary: #cbd5e1;
  --text-secondary: #94a3b8;
  --text-accent: #d8b4fe;
  --text-white: #ffffff;
  --text-muted: #64748b;

  --accent-purple: #a855f7;
  --accent-purple-glow: rgba(168, 85, 247, 0.4);
  --accent-purple-soft: rgba(168, 85, 247, 0.15);
  --accent-lavender: #d8b4fe;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --accent-cyan: #06b6d4;

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glass: rgba(255, 255, 255, 0.15);
  --border-hover: rgba(216, 180, 254, 0.35);
  
  --glass-inner-glow: inset 0 1px 1px rgba(255, 255, 255, 0.25);
  --glass-highlight: inset 0 1px 0 rgba(255, 255, 255, 0.35);

  --shadow-card: 0 16px 40px -12px rgba(0, 0, 0, 0.8), 0 0 0 1px var(--border-subtle);
  --shadow-glow: 0 10px 25px rgba(168, 85, 247, 0.4);
  --shadow-glow-lg: 0 15px 40px rgba(168, 85, 247, 0.45);
  --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.6);

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-card: 20px;
  --radius-pill: 50px;
  --radius-full: 9999px;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing Scale (2px - 14px units) */
  --sp-2: 2px;
  --sp-4: 4px;
  --sp-6: 6px;
  --sp-8: 8px;
  --sp-10: 10px;
  --sp-12: 12px;
  --sp-14: 14px;
  --sp-16: 16px;
  --sp-20: 20px;
  --sp-24: 24px;
  --sp-32: 32px;
  --sp-40: 40px;
  --sp-48: 48px;
  --sp-64: 64px;

  /* Motion Tokens */
  --motion-instant: 250ms;
  --motion-fast: 300ms;
  --motion-normal: 350ms;
  --motion-slow: 400ms;
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-exit: cubic-bezier(0.4, 0, 1, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Base Reset & Core Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.5;
  overflow-x: hidden;
  position: relative;
}

/* Clean Ambient Dark Backdrop (No Grid Lines) */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse 90% 60% at 50% -10%, rgba(168, 85, 247, 0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* Accessibility Focus Visible */
:focus-visible {
  outline: 2px solid var(--accent-lavender);
  outline-offset: 2px;
  transition: outline 150ms var(--ease-in-out);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--surface-strong);
}
::-webkit-scrollbar-thumb {
  background: rgba(216, 180, 254, 0.25);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(216, 180, 254, 0.45);
}

/* Micro-Animation Keyframes */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(8px);
    filter: blur(2px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 15px rgba(168, 85, 247, 0.2);
  }
  50% {
    box-shadow: 0 0 28px rgba(168, 85, 247, 0.5);
  }
}

@keyframes skeletonSweep {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

@keyframes toastSlideIn {
  0% {
    transform: translateX(110%) scale(0.95);
    opacity: 0;
  }
  100% {
    transform: translateX(0) scale(1);
    opacity: 1;
  }
}

/* Core Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-8);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--motion-instant) var(--ease-in-out);
  text-decoration: none;
  user-select: none;
  white-space: nowrap;
}

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

.btn-primary {
  background: linear-gradient(135deg, #a855f7 0%, #7e22ce 100%);
  color: #ffffff;
  box-shadow: var(--shadow-glow), var(--glass-inner-glow);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #b86bfc 0%, #8928dd 100%);
  box-shadow: var(--shadow-glow-lg), inset 0 1px 1px rgba(255, 255, 255, 0.4);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
  color: #ffffff;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.35), var(--glass-inner-glow);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.btn-whatsapp:hover {
  background: linear-gradient(135deg, #2ae16e 0%, #17a493 100%);
  box-shadow: 0 14px 30px rgba(37, 211, 102, 0.45);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--surface-raised);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--glass-inner-glow);
}

.btn-secondary:hover {
  background: var(--surface-elevated);
  color: var(--text-accent);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
}

.btn-ghost:hover {
  color: var(--text-accent);
  background: rgba(216, 180, 254, 0.08);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 13px;
  border-radius: var(--radius-pill);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 16px;
  border-radius: var(--radius-pill);
}

/* Glassmorphic Cyberpunk Cards */
.card {
  background: var(--surface-raised);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card), var(--glass-inner-glow);
  transition: transform var(--motion-instant) var(--ease-in-out),
              box-shadow var(--motion-instant) var(--ease-in-out),
              border-color var(--motion-instant) var(--ease-in-out);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-2px);
  border-color: var(--border-hover);
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.9), 0 0 25px rgba(168, 85, 247, 0.25), var(--glass-inner-glow);
}

/* Inputs & Form Elements */
.form-group {
  margin-bottom: var(--sp-16);
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}

.form-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.3px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  background: var(--surface-strong);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--motion-instant) var(--ease-in-out),
              box-shadow var(--motion-instant) var(--ease-in-out);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent-lavender);
  box-shadow: 0 0 0 2px rgba(216, 180, 254, 0.2), inset 0 1px 2px rgba(0,0,0,0.5);
  color: var(--text-white);
}

.form-input::placeholder, .form-textarea::placeholder {
  color: var(--text-muted);
}

/* Badges & Pills */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-4);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  letter-spacing: 0.3px;
}

.badge-purple {
  background: rgba(168, 85, 247, 0.15);
  color: var(--accent-lavender);
  border-color: rgba(168, 85, 247, 0.3);
}

.badge-green {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border-color: rgba(16, 185, 129, 0.3);
}

.badge-amber {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border-color: rgba(245, 158, 11, 0.3);
}

.badge-blue {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border-color: rgba(59, 130, 246, 0.3);
}

/* Toast Notification */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--sp-10);
  pointer-events: none;
}

.toast {
  background: var(--surface-raised);
  border: 1px solid var(--border-hover);
  box-shadow: var(--shadow-glow), 0 10px 25px rgba(0, 0, 0, 0.8), var(--glass-inner-glow);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--sp-12);
  min-width: 280px;
  max-width: 400px;
  animation: toastSlideIn var(--motion-slow) var(--ease-spring) forwards;
  pointer-events: auto;
  font-size: 14px;
}

.toast.toast-success {
  border-left: 4px solid var(--accent-emerald);
}

.toast.toast-error {
  border-left: 4px solid var(--accent-rose);
}

/* Respect Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}