/**
 * SportsPulse - Main Stylesheet
 * Dark theme, mobile-first, responsive design
 * Inspired by modern live score websites
 */

/* ============================================
   CSS VARIABLES & THEME
   ============================================ */
:root {
    /* Colors - Dark Theme */
    --color-bg-primary: #0f1419;
    --color-bg-secondary: #1a232e;
    --color-bg-tertiary: #24303e;
    --color-bg-card: #1e2833;
    --color-bg-hover: #2a3542;
    
    --color-text-primary: #ffffff;
    --color-text-secondary: #8b98a5;
    --color-text-muted: #5c6b77;
    --color-text-inverse: #0f1419;
    
    --color-border-primary: #2a3542;
    --color-border-secondary: #3a4654;
    
    --color-accent-primary: #00ff88;
    --color-accent-secondary: #00d4ff;
    --color-accent-danger: #ff4757;
    --color-accent-warning: #ffa502;
    --color-accent-info: #70a1ff;
    
    /* Live Badge Colors */
    --color-live-red: #ff4757;
    --color-live-bg: rgba(255, 71, 87, 0.1);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    
    /* Container */
    --container-max-width: 1200px;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

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

ul, ol {
    list-style: none;
}

table {
    width: 100%;
    border-collapse: collapse;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

.mt-4 {
    margin-top: var(--spacing-lg);
}

.hidden-mobile {
    display: none;
}

@media (min-width: 768px) {
    .hidden-mobile {
        display: table-cell;
    }
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.site-header {
    background-color: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border-primary);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

/* Live Ticker Bar */
.header-ticker {
    background-color: var(--color-bg-tertiary);
    border-bottom: 1px solid var(--color-border-primary);
    overflow: hidden;
    font-size: 0.85rem;
}

.ticker-container {
    display: flex;
    align-items: center;
    padding: 6px var(--spacing-md);
}

.ticker-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 700;
    color: var(--color-live-red);
    margin-right: var(--spacing-lg);
    white-space: nowrap;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

.pulsing-dot {
    width: 6px;
    height: 6px;
    background-color: var(--color-live-red);
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(255, 71, 87, 0.7); }
    70% { box-shadow: 0 0 0 6px rgba(255, 71, 87, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 71, 87, 0); }
}

.ticker-content {
    display: flex;
    overflow-x: auto;
    gap: var(--spacing-lg);
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.ticker-content::-webkit-scrollbar {
    display: none;
}

.ticker-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-secondary);
    white-space: nowrap;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.ticker-item:hover {
    color: var(--color-text-primary);
}

.ticker-teams {
    font-weight: 500;
}

.ticker-score {
    font-weight: 700;
    color: var(--color-text-primary);
}

.ticker-minute {
    color: var(--color-live-red);
    font-size: 0.75rem;
    font-weight: 600;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    gap: var(--spacing-md);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.logo-icon {
    font-size: 2rem;
}

.logo-text .highlight {
    color: var(--color-accent-primary);
}

.desktop-nav {
    display: none;
}

.nav-list {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-link {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    background-color: var(--color-bg-hover);
    color: var(--color-accent-primary);
}

.header-search {
    display: none;
    flex: 1;
    max-width: 400px;
}

.theme-toggle {
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.theme-toggle:hover {
    background-color: var(--color-bg-hover);
}

/* Mobile Navigation */
.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: var(--spacing-sm);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: all var(--transition-fast);
}

.mobile-nav-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(15, 20, 25, 0.95);
    z-index: 2000;
    transform: translateX(100%);
    transition: transform var(--transition-base);
}

.mobile-nav-overlay.is-active {
    transform: translateX(0);
}

.mobile-nav-content {
    width: 80%;
    max-width: 300px;
    height: 100%;
    background-color: var(--color-bg-secondary);
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.mobile-nav-close {
    font-size: 2rem;
    line-height: 1;
    padding: var(--spacing-sm);
}

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

.mobile-nav-link {
    display: block;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 1.1rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.mobile-nav-link:hover {
    background-color: var(--color-bg-hover);
    color: var(--color-accent-primary);
}

.mobile-search {
    margin-top: var(--spacing-xl);
}

@media (min-width: 768px) {
    .mobile-menu-toggle {
        display: none;
    }
    
    .desktop-nav {
        display: block;
    }
    
    .header-search {
        display: block;
    }
}

/* ============================================
   MAIN CONTENT AREA
   ============================================ */
.main-content {
    flex: 1;
    padding: var(--spacing-lg) 0;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    background-color: var(--color-bg-secondary);
    padding: 0 0 var(--spacing-lg);
    margin-top: auto;
}

.footer-top-border {
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent-primary), var(--color-accent-secondary));
    width: 100%;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand {
    max-width: 300px;
}

.footer-description {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-top: var(--spacing-md);
}

.footer-newsletter {
    margin-top: var(--spacing-lg);
    background-color: var(--color-bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-primary);
}

.newsletter-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-xs);
}

.newsletter-input {
    flex: 1;
    background-color: var(--color-bg-primary);
    border: 1px solid var(--color-border-primary);
    color: var(--color-text-primary);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    outline: none;
    transition: border-color var(--transition-fast);
}

.newsletter-input:focus {
    border-color: var(--color-accent-primary);
}

.newsletter-btn {
    background-color: var(--color-accent-primary);
    color: var(--color-text-inverse);
    border: none;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.newsletter-btn:hover {
    background-color: var(--color-accent-secondary);
}

.footer-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

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

.footer-list a {
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.footer-list a:hover {
    color: var(--color-accent-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border-primary);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.copyright {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.social-link:hover {
    color: var(--color-accent-primary);
    transform: translateY(-2px);
}

/* ============================================
   MATCH COMPONENTS
   ============================================ */
.match-row {
    display: grid;
    grid-template-columns: auto 1fr auto 1fr auto;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: rgba(30, 40, 51, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    transition: all var(--transition-base);
    position: relative;
}

.match-row:hover {
    background-color: rgba(42, 53, 66, 0.7);
    transform: translateX(4px);
    border-color: rgba(255, 255, 255, 0.05);
}

.match-row--live {
    border-left: 3px solid var(--color-live-red);
}

.match-row__time {
    min-width: 60px;
}

.match-time {
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
}

.team-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.team-logo {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.team-name {
    font-weight: 500;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.team-name--compact {
    font-size: 0.85rem;
}

.match-row__score {
    text-align: center;
    min-width: 80px;
}

.score-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.score-vs {
    color: var(--color-text-muted);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.score-number {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.score-separator {
    color: var(--color-text-muted);
}

.match-events {
    display: flex;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-xs);
    justify-content: center;
    flex-wrap: wrap;
}

.event-icon {
    font-size: 0.75rem;
}

.event-minute {
    font-size: 0.7rem;
    color: var(--color-text-muted);
    background-color: var(--color-bg-tertiary);
    padding: 2px 4px;
    border-radius: var(--radius-sm);
}

.match-row__link {
    position: absolute;
    inset: 0;
    z-index: 1;
}

@media (max-width: 640px) {
    .match-row {
        grid-template-columns: auto 1fr auto;
        gap: var(--spacing-sm);
    }
    
    .match-row__team--home {
        display: none;
    }
    
    .team-name {
        font-size: 0.8rem;
    }
}

/* Match Card */
.match-card {
    background-color: rgba(30, 40, 51, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    position: relative;
    box-shadow: var(--shadow-sm);
}

.match-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.1);
}

.match-card--live {
    border: 2px solid var(--color-live-red);
}

.match-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-bg-tertiary);
    border-bottom: 1px solid var(--color-border-primary);
}

.league-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.league-logo {
    width: 20px;
    height: 20px;
    object-fit: contain;
}

.league-name {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

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

.match-status-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.status-text {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-secondary);
}

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

.match-card__content {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    padding: var(--spacing-lg);
    gap: var(--spacing-lg);
}

.team-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.team-logo-large {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.team-name-large {
    font-weight: 600;
    font-size: 1rem;
}

.match-card__score {
    text-align: center;
}

.score-main {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.score-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.score-divider {
    color: var(--color-text-muted);
    font-size: 1.5rem;
}

.vs-text {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text-muted);
    letter-spacing: 2px;
}

.score-time {
    margin-top: var(--spacing-xs);
}

.minute-text {
    color: var(--color-live-red);
    font-weight: 700;
    font-size: 0.9rem;
}

.match-card__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-bg-tertiary);
    border-top: 1px solid var(--color-border-primary);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.stat-value {
    font-weight: 700;
    font-size: 1.1rem;
}

.stat-home {
    color: var(--color-accent-primary);
}

.stat-away {
    color: var(--color-accent-secondary);
}

.stat-label {
    font-size: 0.7rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.match-card__link {
    position: absolute;
    inset: 0;
    z-index: 1;
}

@media (max-width: 640px) {
    .match-card__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .team-info {
        justify-content: center;
    }
    
    .team-name-large {
        font-size: 0.9rem;
    }
}

/* Live Badge */
.live-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-live-bg);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-live-red);
    animation: pulse 2s infinite;
}

.live-indicator {
    width: 8px;
    height: 8px;
    background-color: var(--color-live-red);
    border-radius: 50%;
    animation: blink 1s infinite;
}

.live-minute {
    font-weight: 700;
}

.live-text {
    letter-spacing: 0.5px;
}

.live-badge--small {
    padding: 2px 6px;
    font-size: 0.7rem;
}

.live-minute-small {
    font-size: 0.65rem;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* ============================================
   MOBILE STICKY FOOTER AD
   ============================================ */
.mobile-sticky-ad {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(15, 20, 25, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-xs) 0;
    text-align: center;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5);
    transition: transform var(--transition-base);
}

.mobile-sticky-ad.is-hidden {
    transform: translateY(100%);
}

.mobile-sticky-ad .ad-close-btn {
    position: absolute;
    top: -24px;
    right: 10px;
    background: rgba(15, 20, 25, 0.9);
    color: var(--color-text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full) var(--radius-full) 0 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    cursor: pointer;
}

@media (max-width: 768px) {
    .mobile-sticky-ad {
        display: block;
    }
    
    body {
        padding-bottom: 60px;
    }
}