/* ==========================================================================
   MMF 2026 Mini-App - Design System
   Inherits from FA brand: Bauhaus-inspired, community-driven
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Variables - FA Brand Colors + MMF Extensions
   -------------------------------------------------------------------------- */
:root {
  /* FA Brand Colors */
  --color-teal: #3B8995;
  --color-sky: #A9D1E9;
  --color-burgundy: #4D192D;
  --color-peach: #F2A07B;
  --color-coral: #E47D7D;
  --color-mint: #70C1B3;
  --color-mustard: #F5D17B;
  --color-lavender: #8E7DBE;
  --color-forest: #1B3022;

  /* MMF Specific */
  --color-mountain: #2D5A4A;
  --color-rock: #8B7355;
  --color-sunset: #E8956D;

  /* Neutrals */
  --color-white: #FFFFFF;
  --color-off-white: #F8F7F4;
  --color-light-gray: #E5E5E5;
  --color-mid-gray: #9B9B9B;
  --color-dark-gray: #4A4A4A;
  --color-black: #1A1A1A;

  /* Semantic */
  --color-success: #70C1B3;
  --color-warning: #F5D17B;
  --color-error: #E47D7D;
  --color-info: #A9D1E9;

  /* Typography */
  --font-primary: 'Jost', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
  --shadow-xl: 0 20px 40px rgba(0,0,0,0.2);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Z-index layers */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 300;
  --z-toast: 400;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-regular);
  line-height: 1.6;
  color: var(--color-black);
  background-color: var(--color-off-white);
  min-height: 100vh;
  min-height: 100dvh;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }

.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }

.font-light { font-weight: var(--font-weight-light); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-bold { font-weight: var(--font-weight-bold); }

.text-center { text-align: center; }
.text-muted { color: var(--color-mid-gray); }

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-sm {
  max-width: 600px;
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-burgundy);
  color: var(--color-white);
}

.btn-primary:hover {
  background: var(--color-forest);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--color-white);
  color: var(--color-burgundy);
  border: 2px solid var(--color-burgundy);
}

.btn-secondary:hover {
  background: var(--color-burgundy);
  color: var(--color-white);
}

.btn-teal {
  background: var(--color-teal);
  color: var(--color-white);
}

.btn-teal:hover {
  background: var(--color-forest);
}

.btn-ghost {
  background: transparent;
  color: var(--color-burgundy);
}

.btn-ghost:hover {
  background: rgba(77, 25, 45, 0.1);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1.125rem;
}

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
}

.card-elevated {
  box-shadow: var(--shadow-md);
}

.card-bordered {
  border: 1px solid var(--color-light-gray);
  box-shadow: none;
}

/* --------------------------------------------------------------------------
   Form Elements
   -------------------------------------------------------------------------- */
.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: var(--font-weight-medium);
  font-size: 0.875rem;
  color: var(--color-dark-gray);
}

.form-input {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  border: 2px solid var(--color-light-gray);
  border-radius: var(--radius-md);
  background: var(--color-white);
  transition: border-color var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-teal);
}

.form-input::placeholder {
  color: var(--color-mid-gray);
}

.form-input.error {
  border-color: var(--color-error);
}

.form-error {
  color: var(--color-error);
  font-size: 0.875rem;
  margin-top: var(--space-xs);
}

.form-helper {
  color: var(--color-mid-gray);
  font-size: 0.875rem;
  margin-top: var(--space-xs);
}

/* Input with icon */
.input-group {
  position: relative;
}

.input-group .form-input {
  padding-left: 3rem;
}

.input-group-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-mid-gray);
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   Landing Page Specific
   -------------------------------------------------------------------------- */
.landing-hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: var(--space-lg);
  background: linear-gradient(135deg, var(--color-forest) 0%, var(--color-mountain) 50%, var(--color-teal) 100%);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.landing-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="80" r="30" fill="rgba(255,255,255,0.03)"/><circle cx="80" cy="20" r="40" fill="rgba(255,255,255,0.02)"/><polygon points="50,10 90,90 10,90" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="0.5"/></svg>');
  background-size: cover;
  pointer-events: none;
}

.landing-hero > * {
  position: relative;
  z-index: 1;
}

.landing-logo {
  width: 120px;
  height: auto;
  margin-bottom: var(--space-md);
}

.landing-title {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xs);
}

.landing-subtitle {
  font-size: clamp(1rem, 3vw, 1.5rem);
  font-weight: var(--font-weight-light);
  opacity: 0.9;
  margin-bottom: var(--space-lg);
}

.landing-date {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  font-size: 1.125rem;
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-lg);
}

/* Login box on landing */
.login-box {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  width: 100%;
  max-width: 400px;
  color: var(--color-black);
  box-shadow: var(--shadow-xl);
}

.login-box h3 {
  margin-bottom: var(--space-md);
  color: var(--color-burgundy);
}

.login-divider {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
  color: var(--color-mid-gray);
  font-size: 0.875rem;
}

.login-divider::before,
.login-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-light-gray);
}

/* --------------------------------------------------------------------------
   Mini-App Layout
   -------------------------------------------------------------------------- */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
}

.app-header {
  position: sticky;
  top: 0;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-light-gray);
  padding: var(--space-sm) var(--space-md);
  z-index: var(--z-sticky);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.app-header-title {
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-burgundy);
}

.app-main {
  flex: 1;
  padding: var(--space-md);
  padding-bottom: calc(var(--space-md) + 80px); /* Space for nav */
}

.app-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-white);
  border-top: 1px solid var(--color-light-gray);
  display: flex;
  justify-content: space-around;
  padding: var(--space-xs) 0;
  padding-bottom: max(var(--space-xs), env(safe-area-inset-bottom));
  z-index: var(--z-sticky);
}

.app-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: var(--space-xs) var(--space-sm);
  color: var(--color-mid-gray);
  font-size: 0.75rem;
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
  border-radius: var(--radius-md);
}

.app-nav-item.active {
  color: var(--color-burgundy);
}

.app-nav-item:hover {
  color: var(--color-burgundy);
  background: rgba(77, 25, 45, 0.05);
}

.app-nav-icon {
  width: 24px;
  height: 24px;
}

/* --------------------------------------------------------------------------
   Ticket Display
   -------------------------------------------------------------------------- */
.ticket-card {
  background: linear-gradient(135deg, var(--color-burgundy) 0%, var(--color-forest) 100%);
  color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
}

.ticket-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.ticket-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-md);
}

.ticket-logo {
  width: 60px;
  height: auto;
}

.ticket-type {
  background: rgba(255,255,255,0.2);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: var(--font-weight-medium);
}

.ticket-qr {
  background: var(--color-white);
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  display: inline-block;
  margin: var(--space-md) 0;
}

.ticket-qr img,
.ticket-qr canvas {
  width: 180px;
  height: 180px;
  display: block;
}

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

.ticket-info-item {
  font-size: 0.875rem;
}

.ticket-info-label {
  opacity: 0.7;
  margin-bottom: 2px;
}

.ticket-info-value {
  font-weight: var(--font-weight-medium);
}

.ticket-code {
  font-family: monospace;
  font-size: 1.25rem;
  letter-spacing: 0.1em;
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px dashed rgba(255,255,255,0.3);
  text-align: center;
}

/* --------------------------------------------------------------------------
   Ride Share
   -------------------------------------------------------------------------- */
.ride-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  margin-bottom: var(--space-sm);
  border: 1px solid var(--color-light-gray);
  transition: box-shadow var(--transition-fast);
}

.ride-card:hover {
  box-shadow: var(--shadow-md);
}

.ride-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-sm);
}

.ride-route {
  font-weight: var(--font-weight-bold);
  font-size: 1.125rem;
}

.ride-seats {
  background: var(--color-mint);
  color: var(--color-forest);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: var(--font-weight-medium);
}

.ride-seats.full {
  background: var(--color-light-gray);
  color: var(--color-mid-gray);
}

.ride-details {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  color: var(--color-dark-gray);
  font-size: 0.875rem;
}

.ride-detail {
  display: flex;
  align-items: center;
  gap: 4px;
}

.ride-cost {
  font-weight: var(--font-weight-bold);
  color: var(--color-teal);
}

.ride-distance {
  color: var(--color-teal);
  font-weight: var(--font-weight-medium);
}

.ride-driver {
  margin-top: var(--space-xs);
  padding-top: var(--space-xs);
  border-top: 1px solid var(--color-light-gray);
}

.ride-card .btn {
  width: 100%;
}

.ride-card .btn:disabled {
  background: var(--color-light-gray);
  color: var(--color-mid-gray);
  cursor: not-allowed;
}

/* --------------------------------------------------------------------------
   Countdown
   -------------------------------------------------------------------------- */
.countdown {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

.countdown-item {
  text-align: center;
}

.countdown-value {
  font-size: 2.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-burgundy);
  line-height: 1;
}

.countdown-label {
  font-size: 0.75rem;
  color: var(--color-mid-gray);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* --------------------------------------------------------------------------
   Alerts & Toasts
   -------------------------------------------------------------------------- */
.alert {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.alert-success {
  background: rgba(112, 193, 179, 0.15);
  color: var(--color-forest);
  border: 1px solid var(--color-mint);
}

.alert-error {
  background: rgba(228, 125, 125, 0.15);
  color: var(--color-burgundy);
  border: 1px solid var(--color-coral);
}

.alert-info {
  background: rgba(169, 209, 233, 0.15);
  color: var(--color-teal);
  border: 1px solid var(--color-sky);
}

.toast {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-black);
  color: var(--color-white);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  z-index: var(--z-toast);
  animation: toast-in 0.3s ease;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

/* --------------------------------------------------------------------------
   Loading States
   -------------------------------------------------------------------------- */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--color-light-gray);
  border-top-color: var(--color-burgundy);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.skeleton {
  background: linear-gradient(90deg, var(--color-light-gray) 25%, var(--color-off-white) 50%, var(--color-light-gray) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

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

/* --------------------------------------------------------------------------
   Modal
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--space-md);
}

.modal-overlay.hidden {
  display: none;
}

.modal {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 420px;
  max-height: 90vh;
  overflow-y: auto;
  animation: modal-in 0.2s ease;
}

@keyframes modal-in {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md);
  border-bottom: 1px solid var(--color-light-gray);
}

.modal-header h3 {
  margin: 0;
  font-size: 1.25rem;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-mid-gray);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-light-gray);
  color: var(--color-dark-gray);
}

.modal form {
  padding: var(--space-md);
}

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

@media (max-width: 480px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   Utilities
   -------------------------------------------------------------------------- */
.hidden { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }

.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (min-width: 768px) {
  .app-nav {
    max-width: 500px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    border: 1px solid var(--color-light-gray);
    border-bottom: none;
  }

  .app-main {
    max-width: 600px;
    margin: 0 auto;
  }
}