/* ============================================
   PadelSture - Modern CSS Design System
   ============================================ */

/* CSS Variables - Design Tokens */
:root {
    /* Colors */
    --color-primary: #2D5A27;
    --color-primary-light: #4A8B3C;
    --color-primary-dark: #1A3A16;
    --color-secondary: #F4A261;
    --color-secondary-light: #F7C59F;
    --color-accent: #E76F51;
    
    /* Neutrals */
    --color-bg-primary: #FAFAFA;
    --color-bg-secondary: #FFFFFF;
    --color-bg-card: #FFFFFF;
    --color-bg-dark: #1A1A2E;
    --color-bg-elevated: #FFFFFF;
    
    /* Text */
    --color-text-primary: #1A1A2E;
    --color-text-secondary: #6B7280;
    --color-text-muted: #9CA3AF;
    --color-text-inverse: #FFFFFF;
    
    /* Semantic */
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-danger: #EF4444;
    --color-info: #3B82F6;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
}

/* Base Styles */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    color: var(--color-text-primary);
}

h1 { font-size: 2.5rem; letter-spacing: -0.025em; }
h2 { font-size: 2rem; letter-spacing: -0.02em; }
h3 { font-size: 1.5rem; letter-spacing: -0.015em; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: var(--space-md);
    color: var(--color-text-secondary);
}

/* Navbar - Modern Design */
.navbar {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: var(--space-md) 0;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.03em;
    color: var(--color-text-inverse) !important;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.navbar-brand::before {
    content: '🎾';
    font-size: 1.25rem;
}

.nav-link {
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85) !important;
    padding: var(--space-sm) var(--space-md) !important;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    margin: 0 var(--space-xs);
}

.nav-link:hover {
    color: var(--color-text-inverse) !important;
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
}

.nav-link.btn-primary {
    background: var(--color-secondary);
    color: var(--color-text-primary) !important;
}

.nav-link.btn-primary:hover {
    background: var(--color-secondary-light);
}

/* Main Content */
main {
    flex: 1;
    padding: var(--space-xl) 0;
}

/* Cards - Modern Glass Effect */
.card {
    background: var(--color-bg-card);
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    transition: all var(--transition-normal);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-2px);
}

.card-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-text-inverse);
    border: none;
    padding: var(--space-lg);
    font-weight: 600;
}

.card-header.bg-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}

.card-header.bg-danger {
    background: linear-gradient(135deg, var(--color-accent) 0%, #D64D32 100%);
}

.card-body {
    padding: var(--space-lg);
}

/* Buttons */
.btn {
    font-weight: 600;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-text-inverse);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    color: var(--color-text-inverse);
}

.btn-secondary {
    background: var(--color-text-secondary);
    color: var(--color-text-inverse);
}

.btn-secondary:hover {
    background: var(--color-text-primary);
    color: var(--color-text-inverse);
}

.btn-success {
    background: linear-gradient(135deg, var(--color-success) 0%, #059669 100%);
    color: var(--color-text-inverse);
}

.btn-success:hover {
    background: linear-gradient(135deg, #059669 0%, var(--color-success) 100%);
    transform: translateY(-1px);
    color: var(--color-text-inverse);
}

.btn-danger {
    background: linear-gradient(135deg, var(--color-danger) 0%, #DC2626 100%);
    color: var(--color-text-inverse);
}

.btn-lg {
    padding: var(--space-md) var(--space-xl);
    font-size: 1.1rem;
}

/* Form Controls */
.form-control, .form-select {
    border: 2px solid #E5E7EB;
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    font-size: 1rem;
    transition: all var(--transition-fast);
    background: var(--color-bg-secondary);
}

.form-control:focus, .form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(45, 90, 39, 0.15);
    outline: none;
}

.form-label {
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

/* Badges */
.badge {
    font-weight: 600;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
}

.badge.bg-primary {
    background: var(--color-primary) !important;
}

.badge.bg-success {
    background: var(--color-success) !important;
}

.badge.bg-danger {
    background: var(--color-danger) !important;
}

.badge.bg-warning {
    background: var(--color-warning) !important;
    color: var(--color-text-primary);
}

.badge.bg-secondary {
    background: var(--color-text-secondary) !important;
}

/* Tables */
.table {
    border-collapse: separate;
    border-spacing: 0;
}

.table thead th {
    background: linear-gradient(135deg, var(--color-bg-dark) 0%, #2D2D44 100%);
    color: var(--color-text-inverse);
    border: none;
    padding: var(--space-md);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
}

.table tbody tr {
    transition: all var(--transition-fast);
}

.table tbody tr:hover {
    background: rgba(45, 90, 39, 0.05);
}

.table tbody td {
    padding: var(--space-md);
    border-bottom: 1px solid #F3F4F6;
    vertical-align: middle;
}

.table-striped tbody tr:nth-child(odd) {
    background: #FAFAFA;
}

/* Live Match Card */
.card.border-danger {
    border: 2px solid var(--color-accent) !important;
    animation: pulse-border 2s infinite;
}

@keyframes pulse-border {
    0%, 100% { border-color: var(--color-accent); }
    50% { border-color: var(--color-danger); }
}

/* Score Display */
.score-display {
    text-align: center;
    padding: var(--space-lg);
}

.score-display h2 {
    font-size: 1rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
}

.score-board {
    background: var(--color-bg-dark);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-xl);
}

.score-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
}

.team1-score, .team2-score {
    font-size: 4rem;
    font-weight: 800;
    color: var(--color-text-inverse);
    min-width: 80px;
    text-align: center;
}

.score-separator {
    font-size: 2rem;
    color: var(--color-text-muted);
}

/* Tabs */
.nav-tabs {
    border-bottom: 2px solid #E5E7EB;
    gap: var(--space-sm);
}

.nav-tabs .nav-link {
    border: none;
    color: var(--color-text-secondary) !important;
    background: transparent;
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    font-weight: 600;
    position: relative;
    transition: all var(--transition-normal);
}

.nav-tabs .nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.nav-tabs .nav-link:hover {
    color: var(--color-primary) !important;
    background: rgba(45, 90, 39, 0.05);
}

.nav-tabs .nav-link.active {
    color: var(--color-primary) !important;
    background: var(--color-bg-secondary);
}

.nav-tabs .nav-link.active::after {
    transform: scaleX(1);
}

/* Footer */
footer {
    background: var(--color-bg-dark);
    color: var(--color-text-muted);
    padding: var(--space-xl) 0;
    margin-top: auto;
}

footer p {
    color: var(--color-text-muted);
    margin: 0;
}

/* Alerts */
.alert {
    border: none;
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    font-weight: 500;
}

.alert-success {
    background: linear-gradient(135deg, #D1FAE5 0%, #A7F3D0 100%);
    color: #065F46;
}

.alert-warning {
    background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%);
    color: #92400E;
}

.alert-danger {
    background: linear-gradient(135deg, #FEE2E2 0%, #FECACA 100%);
    color: #991B1B;
}

.alert-info {
    background: linear-gradient(135deg, #DBEAFE 0%, #BFDBFE 100%);
    color: #1E40AF;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-xl);
    padding: var(--space-3xl);
    color: var(--color-text-inverse);
    text-align: center;
    margin-bottom: var(--space-xl);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero h1 {
    color: var(--color-text-inverse);
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.hero p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto var(--space-xl);
}

/* Feature Cards */
.feature-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    box-shadow: var(--shadow-card);
    transition: all var(--transition-normal);
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.feature-card .icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.feature-card h5 {
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.feature-card p {
    margin: 0;
    font-size: 0.95rem;
}

/* Modal */
.modal-content {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.modal-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-text-inverse);
    border: none;
    padding: var(--space-lg);
}

.modal-header .btn-close {
    filter: brightness(0) invert(1);
}

.modal-body {
    padding: var(--space-xl);
}

.modal-footer {
    border: none;
    padding: var(--space-lg);
    background: var(--color-bg-primary);
}

/* Stats Cards */
.stats-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    box-shadow: var(--shadow-card);
    transition: all var(--transition-normal);
}

.stats-card:hover {
    transform: scale(1.02);
}

.stats-card h3 {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stats-card p {
    margin: var(--space-sm) 0 0;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.stats-card.text-success h3 {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stats-card.text-danger h3 {
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Player Avatar */
.player-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-inverse);
    font-weight: 700;
    font-size: 1.1rem;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    
    .hero { padding: var(--space-xl); }
    .hero h1 { font-size: 2rem; }
    
    .team1-score, .team2-score {
        font-size: 2.5rem;
    }
    
    .card-body { padding: var(--space-md); }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 0.5s ease forwards;
}

/* Utility Classes */
.text-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-pattern {
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(45, 90, 39, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(244, 162, 97, 0.03) 0%, transparent 50%);
}

/* Pulse Animation */
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}