/**
 * JimiJump Mobile-First Responsive Framework
 * Version: 1.0.0
 * 
 * Mobile-first approach with breakpoints:
 * - <360px: compact
 * - 360-400px: small
 * - 400-480px: medium-small
 * - 480-768px: medium
 * - ≥768px: desktop
 */

/* ============================================
   CSS Variables & Safe Areas
   ============================================ */
:root {
  /* Safe area insets for iOS notch/home indicator */
  --safe-area-inset-top: env(safe-area-inset-top, 0px);
  --safe-area-inset-right: env(safe-area-inset-right, 0px);
  --safe-area-inset-bottom: env(safe-area-inset-bottom, 0px);
  --safe-area-inset-left: env(safe-area-inset-left, 0px);
  
  /* App Bar dimensions */
  --app-bar-height: 56px;
  --bottom-action-bar-height: 56px;
  
  /* Touch target minimum */
  --touch-target-min: 48px;
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  
  /* Colors */
  --color-primary: #D59A2A;
  --color-primary-hover: #F1C45B;
  --color-bg-card: #0F1011;
  --color-border: #1F1F22;
  --color-text-primary: #FFFFFF;
  --color-text-secondary: rgba(255, 255, 255, 0.7);
  --color-text-tertiary: rgba(255, 255, 255, 0.5);
  
  /* Z-index layers */
  --z-app-bar: 1000;
  --z-bottom-bar: 1000;
  --z-overlay: 1100;
  --z-menu: 1200;
  --z-toast: 1300;
}

/* ============================================
   Base Resets & Mobile-First Defaults
   ============================================ */
* {
  -webkit-tap-highlight-color: rgba(213, 154, 42, 0.2);
  touch-action: manipulation;
}

html {
  /* Use dynamic viewport height to handle mobile address bar */
  height: 100dvh;
  overflow-x: hidden;
}

body {
  min-height: 100dvh;
  overflow-x: hidden;
  position: relative;
  /* Add padding for app bar and bottom action bar */
  padding-top: calc(var(--app-bar-height) + var(--safe-area-inset-top));
  padding-bottom: calc(var(--bottom-action-bar-height) + var(--safe-area-inset-bottom));
}

/* Prevent horizontal scroll on all containers */
.container,
.max-w-7xl,
.mx-auto {
  max-width: 100%;
  overflow-x: hidden;
}

/* ============================================
   App Bar (Top Navigation)
   ============================================ */
.app-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--app-bar-height);
  padding-top: var(--safe-area-inset-top);
  padding-left: max(var(--spacing-md), var(--safe-area-inset-left));
  padding-right: max(var(--spacing-md), var(--safe-area-inset-right));
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: var(--z-app-bar);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
}

.app-bar__left {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

.app-bar__center {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0; /* Allow text truncation */
}

.app-bar__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.app-bar__logo {
  height: 32px;
  width: auto;
}

.app-bar__right {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  flex-shrink: 0;
}

/* ============================================
   Icon Buttons (Touch-Friendly)
   ============================================ */
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: var(--touch-target-min);
  min-height: var(--touch-target-min);
  padding: var(--spacing-sm);
  background: transparent;
  border: none;
  border-radius: 50%;
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.icon-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

.icon-btn:active {
  background: rgba(255, 255, 255, 0.15);
  transform: scale(0.95);
}

.icon-btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Ripple effect */
.icon-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: scale(0);
  opacity: 0;
  pointer-events: none;
}

.icon-btn:active::after {
  animation: ripple 0.6s ease-out;
}

@keyframes ripple {
  to {
    transform: scale(2);
    opacity: 0;
  }
}

/* ============================================
   Hamburger Menu Icon
   ============================================ */
.hamburger {
  width: 24px;
  height: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  cursor: pointer;
}

.hamburger__line {
  width: 100%;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hamburger.active .hamburger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active .hamburger__line:nth-child(2) {
  opacity: 0;
}

.hamburger.active .hamburger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================
   Overflow Menu (Three-Dot)
   ============================================ */
.overflow-menu {
  position: relative;
}

.overflow-menu__trigger {
  /* Inherits icon-btn styles */
}

.overflow-menu__content {
  position: absolute;
  top: calc(100% + var(--spacing-xs));
  right: 0;
  min-width: 200px;
  max-width: 280px;
  background: rgba(15, 16, 17, 0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s ease;
  z-index: var(--z-menu);
  overflow: hidden;
}

.overflow-menu__content.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.overflow-menu__item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  min-height: var(--touch-target-min);
  color: var(--color-text-primary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  cursor: pointer;
  transition: background 0.2s ease;
}

.overflow-menu__item:last-child {
  border-bottom: none;
}

.overflow-menu__item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.overflow-menu__item:active {
  background: rgba(255, 255, 255, 0.1);
}

.overflow-menu__item-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  opacity: 0.7;
}

.overflow-menu__item-text {
  flex: 1;
}

/* ============================================
   Bottom Action Bar (Sticky CTA)
   ============================================ */
.bottom-action-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--bottom-action-bar-height);
  padding-bottom: var(--safe-area-inset-bottom);
  padding-left: max(var(--spacing-md), var(--safe-area-inset-left));
  padding-right: max(var(--spacing-md), var(--safe-area-inset-right));
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-border);
  z-index: var(--z-bottom-bar);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.3);
}

.bottom-action-bar__btn {
  flex: 1;
  max-width: 400px;
  min-height: 48px;
  padding: 12px 24px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
  color: #000;
  font-size: 16px;
  font-weight: 700;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 4px 12px rgba(213, 154, 42, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}

.bottom-action-bar__btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(213, 154, 42, 0.4);
}

.bottom-action-bar__btn:active {
  transform: translateY(0);
}

.bottom-action-bar__btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.bottom-action-bar__btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Loading state */
.bottom-action-bar__btn--loading {
  pointer-events: none;
}

.bottom-action-bar__btn--loading::after {
  content: '';
  width: 16px;
  height: 16px;
  border: 2px solid rgba(0, 0, 0, 0.3);
  border-top-color: #000;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-left: var(--spacing-sm);
}

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

/* ============================================
   Responsive Cards (Mobile-First)
   ============================================ */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  transition: all 0.2s ease;
}

.card:hover {
  border-color: rgba(213, 154, 42, 0.3);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
  gap: var(--spacing-md);
}

.card__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text-primary);
}

.card__subtitle {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-top: var(--spacing-xs);
}

.card__body {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.card__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.card__row:last-child {
  border-bottom: none;
}

.card__label {
  font-size: 14px;
  color: var(--color-text-secondary);
}

.card__value {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-primary);
}

/* ============================================
   Match Card (Specific)
   ============================================ */
.match-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.match-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
}

.match-card__league {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.match-card__time {
  font-size: 12px;
  color: var(--color-text-tertiary);
}

.match-card__teams {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
  gap: var(--spacing-md);
}

.match-card__team {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
}

.match-card__team-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.match-card__team-name {
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  color: var(--color-text-primary);
}

.match-card__vs {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-text-tertiary);
}

.match-card__odds {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.match-card__odd-btn {
  min-height: 44px;
  padding: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text-primary);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.match-card__odd-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(213, 154, 42, 0.3);
}

.match-card__odd-btn.selected {
  background: rgba(213, 154, 42, 0.15);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.match-card__odd-label {
  font-size: 11px;
  opacity: 0.7;
}

.match-card__odd-value {
  font-size: 16px;
  font-weight: 700;
}

/* ============================================
   Drawer/Sheet (Mobile Navigation)
   ============================================ */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: var(--z-overlay);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.drawer-overlay.active {
  opacity: 1;
  visibility: visible;
}

.drawer {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: min(280px, 80vw);
  background: rgba(10, 10, 10, 0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-right: 1px solid var(--color-border);
  z-index: var(--z-menu);
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  overflow-y: auto;
  padding-top: var(--safe-area-inset-top);
  padding-bottom: var(--safe-area-inset-bottom);
}

.drawer.active {
  transform: translateX(0);
}

.drawer__header {
  padding: var(--spacing-lg) var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.drawer__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text-primary);
}

.drawer__nav {
  padding: var(--spacing-md) 0;
}

.drawer__nav-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  min-height: var(--touch-target-min);
  color: var(--color-text-primary);
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  transition: background 0.2s ease;
}

.drawer__nav-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.drawer__nav-item.active {
  background: rgba(213, 154, 42, 0.1);
  color: var(--color-primary);
  border-left: 3px solid var(--color-primary);
}

.drawer__nav-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

/* ============================================
   Toast Notifications (Mobile-Friendly)
   ============================================ */
.toast-container {
  position: fixed;
  top: calc(var(--app-bar-height) + var(--safe-area-inset-top) + var(--spacing-md));
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-toast);
  width: calc(100% - var(--spacing-lg) * 2);
  max-width: 400px;
  pointer-events: none;
}

.toast {
  background: rgba(15, 16, 17, 0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
  pointer-events: auto;
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   Form Elements (Touch-Friendly)
   ============================================ */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.form-input {
  width: 100%;
  min-height: 48px;
  padding: 12px 16px;
  font-size: 16px; /* Prevents zoom on iOS */
  line-height: 1.4;
  color: var(--color-text-primary);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  transition: all 0.2s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 0 3px rgba(213, 154, 42, 0.1);
}

.form-input::placeholder {
  color: var(--color-text-tertiary);
}

/* ============================================
   Buttons (Touch-Friendly)
   ============================================ */
.btn {
  min-height: 48px;
  padding: 12px 24px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
  color: #000;
  box-shadow: 0 4px 12px rgba(213, 154, 42, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(213, 154, 42, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
}

.btn:active {
  transform: translateY(0);
}

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

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ============================================
   Responsive Breakpoints
   ============================================ */

/* Compact: <360px */
@media (max-width: 359px) {
  :root {
    --app-bar-height: 52px;
    --bottom-action-bar-height: 52px;
    --spacing-md: 12px;
  }
  
  .app-bar__title {
    font-size: 16px;
  }
  
  .match-card__team-logo {
    width: 40px;
    height: 40px;
  }
}

/* Small: 360-400px */
@media (min-width: 360px) and (max-width: 400px) {
  .card {
    padding: var(--spacing-md);
  }
}

/* Medium-Small: 400-480px */
@media (min-width: 400px) and (max-width: 480px) {
  .match-card__teams {
    gap: var(--spacing-lg);
  }
}

/* Medium: 480-768px */
@media (min-width: 480px) and (max-width: 767px) {
  :root {
    --app-bar-height: 64px;
    --bottom-action-bar-height: 64px;
  }
  
  .match-card__odds {
    gap: var(--spacing-md);
  }
}

/* Desktop: ≥768px */
@media (min-width: 768px) {
  body {
    padding-top: var(--safe-area-inset-top);
    padding-bottom: var(--safe-area-inset-bottom);
  }
  
  /* Hide mobile-only elements */
  .hamburger,
  .bottom-action-bar {
    display: none;
  }
  
  /* Show desktop navigation */
  .app-bar {
    position: relative;
    height: 72px;
  }
  
  .app-bar__center {
    justify-content: flex-start;
  }
  
  /* Desktop layout adjustments */
  .card {
    padding: var(--spacing-lg);
  }
  
  .match-card {
    padding: var(--spacing-lg);
  }
  
  .match-card__teams {
    gap: var(--spacing-xl);
  }
  
  .match-card__team-logo {
    width: 64px;
    height: 64px;
  }
}

/* ============================================
   Utility Classes
   ============================================ */
.mobile-only {
  display: block;
}

.desktop-only {
  display: none;
}

@media (min-width: 768px) {
  .mobile-only {
    display: none;
  }
  
  .desktop-only {
    display: block;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Prevent layout shift */
.skeleton {
  background: linear-gradient(90deg, rgba(255,255,255,0.03) 25%, rgba(255,255,255,0.06) 50%, rgba(255,255,255,0.03) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
}

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

/* Focus visible for accessibility */
*:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Prevent text selection on buttons */
button,
.btn,
.icon-btn {
  user-select: none;
  -webkit-user-select: none;
}