/* ============================================
   CSS Reset & Base Styles
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --primary-color: #667eea;
    --primary-dark: #5568d3;
    --primary-light: #818cf8;
    --secondary-color: #f093fb;
    --accent-color: #4facfe;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    
    /* Neutral Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-tertiary: #94a3b8;
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    
    /* Top 3 Colors */
    --gold: #ffd700;
    --silver: #c0c0c0;
    --bronze: #cd7f32;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 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);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Layout
   ============================================ */

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-md);
}

header {
    background: var(--bg-primary);
    border-bottom: 2px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-xl);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg) var(--spacing-xl);
    position: sticky;
    top: var(--spacing-md);
    z-index: 100;
}

header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

nav {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
}

main {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xl);
    min-height: 60vh;
}

/* ============================================
   Pages
   ============================================ */

.page {
    display: none;
    animation: fadeIn var(--transition-base);
}

.page.active {
    display: block;
}

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

.page-header {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-light);
}

.page-header h2 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
}

.page-content {
    padding-top: var(--spacing-md);
}

/* ============================================
   Navigation Buttons
   ============================================ */

.nav-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.nav-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left var(--transition-slow);
}

.nav-btn:hover::before {
    left: 100%;
}

.nav-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-light);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.nav-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-color: var(--primary-dark);
    box-shadow: var(--shadow-md);
}

.nav-btn.active:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   Forms
   ============================================ */

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.95rem;
}

input[type="text"],
input[type="number"],
input[type="date"],
input[type="time"],
select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all var(--transition-base);
}

input[type="text"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
input[type="time"]:focus,
select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

input[type="text"]:hover,
input[type="number"]:hover,
input[type="date"]:hover,
input[type="time"]:hover,
select:hover {
    border-color: var(--primary-light);
}

select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-md) center;
    padding-right: 2.5rem;
}

/* ============================================
   Buttons
   ============================================ */

.btn-primary,
.btn-edit,
.btn-cancel {
    padding: var(--spacing-sm) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
}

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

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-edit {
    background: var(--accent-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.875rem;
}

.btn-edit:hover {
    background: #3d8bfe;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-cancel {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
}

.btn-cancel:hover {
    background: var(--bg-secondary);
    border-color: var(--text-tertiary);
    color: var(--text-primary);
}

/* ============================================
   Match Entry Form
   ============================================ */

.teams-container {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-xl);
    align-items: start;
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-xl);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
}

.team-section {
    background: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 2px solid var(--border-light);
}

.team-section h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.vs-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-shadow: 0 2px 4px rgba(102, 126, 234, 0.2);
    padding: var(--spacing-md);
}

.player-select {
    margin-bottom: var(--spacing-md);
}

.player-select:last-child {
    margin-bottom: 0;
}

/* ============================================
   Autocomplete
   ============================================ */

.autocomplete-wrapper {
    position: relative;
}

.autocomplete-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all var(--transition-base);
}

.autocomplete-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.autocomplete-input:hover {
    border-color: var(--primary-light);
}

.autocomplete-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border: 2px solid var(--primary-color);
    border-top: none;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    max-height: 300px;
    overflow-y: auto;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    margin-top: -2px;
}

.autocomplete-item {
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    border-bottom: 1px solid var(--border-light);
}

.autocomplete-item:last-child {
    border-bottom: none;
}

.autocomplete-item:hover,
.autocomplete-item.autocomplete-selected {
    background: var(--bg-secondary);
    color: var(--primary-color);
    font-weight: 500;
}

.autocomplete-item.autocomplete-no-results {
    color: var(--text-tertiary);
    font-style: italic;
    cursor: default;
}

.autocomplete-item.autocomplete-no-results:hover {
    background: transparent;
    color: var(--text-tertiary);
    font-weight: normal;
}

/* ============================================
   Rankings
   ============================================ */

.bar-graph-section {
    margin-bottom: var(--spacing-2xl);
}

.bar-graph-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.bar-graph-container {
    display: flex;
    align-items: flex-end;
    justify-content: flex-start;
    gap: 8px;
    min-height: 400px;
    padding: 20px 15px;
    background: #f5f7fa;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.bar-graph-item {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 50px;
    min-width: 50px;
    transition: all var(--transition-base);
    cursor: pointer;
}

.bar-graph-item:hover {
    transform: translateY(-3px);
}

.bar-graph-item:hover .bar-fill {
    opacity: 0.9;
}

.bar-value-top {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
    min-height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

.bar-wrapper {
    width: 100%;
    height: 300px;
    display: flex;
    align-items: flex-end;
    background: #ffffff;
    border-radius: 4px 4px 0 0;
    position: relative;
    border: 1px solid #e2e8f0;
}

.bar-fill {
    width: 100%;
    background: #667eea;
    border-radius: 4px 4px 0 0;
    transition: height var(--transition-slow), opacity var(--transition-base);
    position: relative;
    min-height: 4px;
}

.bar-fill.top-3 {
    background: #ffd700;
}

.bar-graph-item:nth-child(2) .bar-fill.top-3 {
    background: #c0c0c0;
}

.bar-graph-item:nth-child(3) .bar-fill.top-3 {
    background: #cd7f32;
}

.bar-label {
    margin-top: 8px;
    text-align: center;
    width: 100%;
    padding: 0 2px;
    height: 50px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.bar-rank {
    font-size: 10px;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 4px;
    line-height: 1.2;
    flex-shrink: 0;
}

.bar-graph-item.top-3 .bar-rank {
    color: var(--primary-color);
    font-size: 11px;
}

.bar-graph-item:nth-child(1) .bar-rank {
    color: #b8860b;
    font-weight: 800;
}

.bar-graph-item:nth-child(2) .bar-rank {
    color: #808080;
    font-weight: 800;
}

.bar-graph-item:nth-child(3) .bar-rank {
    color: #8b4513;
    font-weight: 800;
}

.bar-name {
    font-size: 10px;
    font-weight: 500;
    color: var(--text-primary);
    word-break: normal;
    overflow-wrap: normal;
    line-height: 1.2;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    text-align: center;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
}

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

.ranking-item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--spacing-lg);
    align-items: center;
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
}

.ranking-item:hover {
    background: var(--bg-primary);
    border-color: var(--primary-light);
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.ranking-item.top-3 {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1), rgba(255, 215, 0, 0.05));
    border-color: var(--gold);
    box-shadow: var(--shadow-md);
}

.rank-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-tertiary);
    min-width: 3rem;
    text-align: center;
}

.rank-number.top-3 {
    color: var(--primary-color);
    font-size: 1.75rem;
}

.player-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.player-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.player-attendance {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.elo-score {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-align: right;
    min-width: 5rem;
}

.elo-score.top-3 {
    font-size: 1.75rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   Players List
   ============================================ */

.add-player-section {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    border: 2px solid var(--border-light);
}

.add-player-section h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.add-player-section .form-group {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: 0;
}

.add-player-section input {
    flex: 1;
}

#players-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.player-card {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 2px solid var(--border-light);
    transition: all var(--transition-base);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

.player-card:hover {
    background: var(--bg-primary);
    border-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.player-card-content {
    flex: 1;
}

.player-card .player-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.player-card .elo-score {
    font-size: 1rem;
    font-weight: 500;
    color: var(--primary-color);
}

.btn-delete {
    background: transparent;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    opacity: 0.6;
    flex-shrink: 0;
}

.btn-delete:hover {
    opacity: 1;
    background: rgba(239, 68, 68, 0.1);
    transform: scale(1.1);
}

.btn-delete:active {
    transform: scale(0.95);
}

.btn-danger {
    background: linear-gradient(135deg, var(--error-color), #dc2626);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #dc2626, var(--error-color));
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-danger:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.delete-options {
    margin: var(--spacing-lg) 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.delete-option {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
}

.delete-option:hover {
    border-color: var(--primary-light);
    background: var(--bg-secondary);
}

.delete-option input[type="radio"] {
    margin-top: 2px;
    cursor: pointer;
    flex-shrink: 0;
}

.delete-option input[type="radio"]:checked + .option-content {
    color: var(--primary-color);
}

.option-content {
    flex: 1;
}

.option-title {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.option-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ============================================
   Statistics
   ============================================ */

.stats-section {
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--border-light);
}

.stats-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.stats-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.stats-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.stat-card {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    border: 2px solid var(--border-light);
    transition: all var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.elo-graph-container {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 2px solid var(--border-light);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    min-width: 0;
}

.elo-graph-container canvas {
    display: block;
    width: 100%;
    min-width: 600px;
    height: auto;
}

/* ============================================
   Tables
   ============================================ */

.stats-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 2px solid var(--border-light);
}

.stats-table thead {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
}

.stats-table th {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    font-weight: 600;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stats-table tbody tr {
    border-bottom: 1px solid var(--border-light);
    transition: all var(--transition-fast);
}

.stats-table tbody tr:last-child {
    border-bottom: none;
}

.stats-table tbody tr:hover {
    background: var(--bg-secondary);
}

.stats-table tbody tr.player-row {
    cursor: pointer;
}

.stats-table tbody tr.player-row:hover {
    background: var(--bg-tertiary);
    transform: scale(1.01);
}

.stats-table td {
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-primary);
}

.player-matches-row {
    background: var(--bg-tertiary);
}

.player-matches-cell {
    padding: var(--spacing-lg) !important;
}

.player-matches-loading,
.player-matches-error,
.player-matches-empty {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--text-secondary);
    font-style: italic;
}

.player-matches-error {
    color: var(--error-color);
}

.player-matches-content {
    padding: var(--spacing-md);
}

.player-matches-content h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

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

/* ============================================
   Match History
   ============================================ */

.match-history-container {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 2px solid var(--border-light);
}

.match-history-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.match-history-date-group {
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    border: 2px solid var(--border-light);
    overflow: hidden;
}

.match-history-date-header {
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.match-history-date-header:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
}

.date-header-text {
    font-size: 1.125rem;
}

.date-header-arrow {
    font-size: 0.875rem;
    transition: transform var(--transition-base);
}

.player-match-item {
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    margin: var(--spacing-xs) var(--spacing-lg);
    padding: var(--spacing-md);
    border: 1px solid var(--border-light);
    transition: all var(--transition-base);
}

.player-match-item:hover {
    background: var(--bg-primary);
    border-color: var(--primary-light);
    transform: translateX(3px);
}

.player-match-single-row {
    display: grid;
    grid-template-columns: min-content min-content 1fr min-content;
    gap: var(--spacing-lg);
    align-items: center;
    flex-wrap: wrap;
}

.player-match-date {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
    white-space: nowrap;
}

.player-match-score {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary-color);
    white-space: nowrap;
}

.player-match-teams-inline {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: nowrap;
    color: var(--text-primary);
    font-size: 0.95rem;
    white-space: nowrap;
}

.team-compact {
    font-weight: 500;
    white-space: nowrap;
}

.team-separator {
    color: var(--text-tertiary);
    font-weight: 600;
    flex-shrink: 0;
}

.player-match-elo-compact {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    white-space: nowrap;
    font-size: 0.95rem;
}

.elo-before,
.elo-after {
    font-weight: 600;
    color: var(--text-primary);
}

.elo-arrow {
    color: var(--text-tertiary);
}

.elo-change {
    font-weight: 600;
    font-size: 0.875rem;
}

.elo-change.positive {
    color: var(--success-color);
}

.elo-change.negative {
    color: var(--error-color);
}

.player-match-error {
    color: var(--error-color);
    padding: var(--spacing-md);
    text-align: center;
    font-style: italic;
}

/* ============================================
   Match Details
   ============================================ */

.match-details-content {
    padding: var(--spacing-md);
}

.match-details-teams {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.match-details-team {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 2px solid var(--border-light);
}

.match-details-team h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.match-details-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.match-details-table thead {
    background: var(--bg-tertiary);
}

.match-details-table th {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
}

.match-details-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--border-light);
}

.match-details-table tbody tr:last-child td {
    border-bottom: none;
}

.match-details-table tbody tr.current-player {
    background: rgba(102, 126, 234, 0.1);
    font-weight: 600;
}

.match-details-table .positive {
    color: var(--success-color);
    font-weight: 600;
}

.match-details-table .negative {
    color: var(--error-color);
    font-weight: 600;
}

.match-details-error {
    color: var(--error-color);
    padding: var(--spacing-md);
    text-align: center;
    font-style: italic;
}

/* ============================================
   Matches Table
   ============================================ */

.matches-table {
    margin-top: var(--spacing-lg);
    width: 100%;
    table-layout: auto;
    border-collapse: collapse;
}


#matches-container {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

#matches-container .matches-table {
    min-width: 100%;
}

.match-row {
    cursor: pointer;
    transition: all var(--transition-base);
}

.match-row:hover {
    background: var(--bg-secondary);
}

.match-date-cell {
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
}

.match-team-cell {
    color: var(--text-primary);
    white-space: nowrap;
}

.match-score-cell {
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    white-space: nowrap;
}

.match-actions-cell {
    text-align: center;
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    align-items: center;
    white-space: nowrap;
}

.match-actions-cell .btn-delete {
    font-size: 1rem;
    padding: var(--spacing-xs) var(--spacing-sm);
}

.match-history-table-container {
    margin-top: var(--spacing-md);
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.match-history-table {
    width: 100%;
    min-width: 600px;
}

.match-history-date-group {
    margin-bottom: var(--spacing-lg);
}

.match-history-date-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 2px solid var(--border-light);
    margin-bottom: var(--spacing-sm);
    transition: all var(--transition-base);
}

.match-history-date-header:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-light);
}

.date-header-text {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.date-header-arrow {
    color: var(--primary-color);
    font-size: 0.9rem;
    transition: transform var(--transition-base);
}

/* ============================================
   Modal
   ============================================ */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-md);
    animation: fadeIn var(--transition-base);
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: slideUp var(--transition-base);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-content h3 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.modal-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--border-light);
}

.match-preview {
    background: var(--bg-secondary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
    border: 2px solid var(--border-light);
}

.match-preview div {
    margin-bottom: var(--spacing-sm);
}

.match-preview div:last-child {
    margin-bottom: 0;
}

.warning-text {
    color: var(--warning-color);
    font-weight: 500;
    margin: var(--spacing-md) 0;
    padding: var(--spacing-sm);
    background: rgba(245, 158, 11, 0.1);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--warning-color);
}

/* ============================================
   Messages & Loading
   ============================================ */

.message {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
    animation: slideDown var(--transition-base);
    box-shadow: var(--shadow-md);
}

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

.message.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border: 2px solid var(--success-color);
}

.message.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
    border: 2px solid var(--error-color);
}

.message:not(.success):not(.error) {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
}

.loading {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
    font-style: italic;
    font-size: 1.125rem;
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1024px) {
    .container {
        padding: var(--spacing-sm);
    }
    
    header {
        padding: var(--spacing-md);
    }
    
    main {
        padding: var(--spacing-lg);
    }
    
    .teams-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .vs-divider {
        transform: rotate(90deg);
        padding: var(--spacing-sm);
    }
    
    .match-details-teams {
        grid-template-columns: 1fr;
    }
    
    .stats-overview {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
}

@media (max-width: 768px) {
    header h1 {
        font-size: 1.5rem;
    }
    
    nav {
        gap: var(--spacing-xs);
    }
    
    .nav-btn {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: 0.875rem;
    }
    
    .page-header h2 {
        font-size: 1.5rem;
    }
    
    .bar-graph-container {
        gap: 6px;
        padding: 15px 10px;
        min-height: 300px;
    }
    
    .bar-graph-item {
        width: 45px;
        min-width: 45px;
    }
    
    .bar-wrapper {
        height: 250px;
    }
    
    .bar-value-top {
        font-size: 10px;
    }
    
    .bar-name {
        font-size: 9px;
    }
    
    .bar-label {
        height: 45px;
    }
    
    .rankings-list {
        gap: var(--spacing-sm);
    }
    
    .ranking-item {
        grid-template-columns: auto 1fr auto;
        gap: var(--spacing-sm);
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .rank-number {
        font-size: 1.125rem;
        min-width: 2rem;
    }
    
    .rank-number.top-3 {
        font-size: 1.25rem;
    }
    
    .player-name {
        font-size: 0.95rem;
    }
    
    .player-attendance {
        font-size: 0.75rem;
    }
    
    .elo-score {
        font-size: 1.125rem;
        min-width: 3.5rem;
    }
    
    .elo-score.top-3 {
        font-size: 1.25rem;
    }
    
    .player-matches-content {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .player-matches-list {
        min-width: min-content;
    }
    
    .player-match-item {
        margin: var(--spacing-xs) 0;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .player-match-single-row {
        grid-template-columns: min-content min-content 1fr min-content;
        gap: var(--spacing-md);
        min-width: min-content;
    }
    
    .player-match-date {
        font-size: 0.8rem;
        white-space: nowrap;
    }
    
    .player-match-score {
        font-size: 1rem;
        white-space: nowrap;
    }
    
    .player-match-teams-inline {
        white-space: nowrap;
        overflow: visible;
    }
    
    .player-match-elo-compact {
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    .stats-section {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .stats-table {
        font-size: 0.8rem;
        min-width: 600px;
        display: table;
    }
    
    .stats-table thead {
        display: table-header-group;
    }
    
    .stats-table tbody {
        display: table-row-group;
    }
    
    .stats-table tbody tr {
        display: table-row;
        margin-bottom: 0;
        border: none;
        border-radius: 0;
        padding: 0;
        background: transparent;
    }
    
    .stats-table tbody tr.player-row:active {
        background: var(--bg-tertiary);
    }
    
    .stats-table th,
    .stats-table td {
        display: table-cell;
        padding: var(--spacing-xs) var(--spacing-sm);
        border: none;
        border-bottom: 1px solid var(--border-light);
        white-space: nowrap;
    }
    
    .stats-table th {
        font-size: 0.75rem;
        padding: var(--spacing-sm);
        position: sticky;
        left: 0;
        background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
        z-index: 1;
    }
    
    .stats-table tbody td:first-child {
        position: sticky;
        left: 0;
        background: var(--bg-primary);
        z-index: 1;
        font-weight: 600;
        min-width: 120px;
    }
    
    .stats-table tbody tr.player-row:hover td:first-child {
        background: var(--bg-tertiary);
    }
    
    .stats-table tbody td::before {
        display: none;
    }
    
    .modal-content {
        padding: var(--spacing-lg);
        max-height: 95vh;
    }
    
    .modal-actions {
        flex-direction: column;
    }
    
    .modal-actions .btn-primary,
    .modal-actions .btn-cancel {
        width: 100%;
    }
    
    #players-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .bar-graph-container {
        gap: 5px;
        padding: 12px 8px;
        min-height: 280px;
    }
    
    .bar-graph-item {
        width: 40px;
        min-width: 40px;
    }
    
    .bar-wrapper {
        height: 220px;
    }
    
    .bar-value-top {
        font-size: 9px;
        margin-bottom: 4px;
    }
    
    .bar-rank {
        font-size: 9px;
    }
    
    .bar-name {
        font-size: 8px;
    }
    
    .bar-label {
        height: 40px;
    }
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
    header {
        position: static;
        box-shadow: none;
        border-bottom: 2px solid var(--border-color);
    }
    
    nav {
        display: none;
    }
    
    .page {
        display: block !important;
    }
    
    .btn-primary,
    .btn-edit,
    .btn-cancel {
        display: none;
    }
    
    .modal-overlay {
        position: static;
        background: transparent;
    }
    
    .modal-content {
        box-shadow: none;
        border: 1px solid var(--border-color);
    }
}