/* Color scheme */
:root {
    --primary: #2c5aa0;
    --secondary: #4a90e2;
    --success: #27ae60;
    --warning: #f39c12;
    --danger: #e74c3c;
    --light-gray: #ecf0f1;
    --dark-gray: #34495e;
    --text: #2c3e50;
    --border: #bdc3c7;
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background-color: #f8f9fa;
}

/* Header */
header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: 2rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.header-logo {
    width: 150px;
    height: 150px;
    object-fit: contain;
}

header h1 {
    text-align: center;
    font-size: 2.5rem;
    margin: 0;
}

nav {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
}

nav a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.3s;
}

nav a:hover, nav a.active {
    background-color: rgba(255, 255, 255, 0.2);
}

/* Main content */
main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

section {
    background: white;
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.08);
}

.intro h2 {
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.intro p {
    color: var(--dark-gray);
    margin-bottom: 1rem;
}

/* Activity filter section */
.filters {
    background: var(--light-gray);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.filter-group label {
    font-weight: 600;
    color: var(--dark-gray);
}

.filter-group select {
    padding: 0.5rem 1rem;
    border: 2px solid var(--border);
    border-radius: 4px;
    font-size: 1rem;
    background: white;
    cursor: pointer;
}

/* Status badges */
.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-active {
    background-color: rgba(39, 174, 96, 0.15);
    color: var(--success);
    border: 1px solid var(--success);
}

.status-semi-active {
    background-color: rgba(243, 156, 18, 0.15);
    color: var(--warning);
    border: 1px solid var(--warning);
}

.status-inactive {
    background-color: rgba(149, 165, 166, 0.15);
    color: #95a5a6;
    border: 1px solid #95a5a6;
}

/* Table styling */
table.dataTable {
    width: 100% !important;
    border-collapse: collapse;
}

table.dataTable thead th {
    background-color: var(--primary);
    color: white;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

table.dataTable tbody td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
}

table.dataTable tbody tr:hover {
    background-color: var(--light-gray);
}

/* Fencer name links */
.fencer-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.fencer-link:hover {
    color: var(--secondary);
    text-decoration: underline;
}

/* Rank column styling */
.rank-1 { font-weight: bold; color: #FFD700; font-size: 1.2em; }
.rank-2 { font-weight: bold; color: #C0C0C0; font-size: 1.1em; }
.rank-3 { font-weight: bold; color: #CD7F32; font-size: 1.1em; }

/* About section */
.about {
    background-color: #f8f9fa;
}

.about h3 {
    color: var(--primary);
    margin-bottom: 1rem;
}

.about p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    color: var(--dark-gray);
    background-color: white;
    margin-top: 3rem;
    border-top: 1px solid var(--border);
}

footer p {
    margin: 0.5rem 0;
}

/* Timeline page specific styles */
.chart-controls {
    display: flex;
    gap: 2rem;
}

.control-group {
    flex: 1;
}

.control-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--primary);
}

.control-group select {
    width: 100%;
    padding: 0.5rem;
    border: 2px solid var(--border);
    border-radius: 4px;
    font-size: 1rem;
}

.button-group {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s;
}

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

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

.btn-secondary {
    background-color: var(--light-gray);
    color: var(--text);
    border: 1px solid var(--border);
}

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

.chart-section {
    padding: 2rem;
    background: white;
}

.chart-section canvas {
    max-height: 500px;
}

.chart-note {
    font-size: 0.9rem;
    color: var(--dark-gray);
    font-style: italic;
    margin-bottom: 1rem;
    padding: 0.75rem;
    background-color: rgba(44, 90, 160, 0.05);
    border-left: 3px solid var(--primary);
    border-radius: 4px;
}

.legend-info {
    background-color: #f8f9fa;
    font-size: 0.9rem;
}

/* Matchups page specific styles */
.matchup-selector {
    text-align: center;
}

.selector-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.fencer-selector {
    flex: 1;
    max-width: 300px;
}

.fencer-selector label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--primary);
}

.fencer-selector select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border);
    border-radius: 4px;
    font-size: 1rem;
}

.vs {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary);
}

.matchup-results {
    margin-top: 2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.stat-card {
    background: var(--light-gray);
    border-radius: 8px;
    padding: 1.5rem;
}

.stat-card h4 {
    color: var(--primary);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.stat-content {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.matchup-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
}

.matchup-row.total {
    border-top: 2px solid var(--border);
    margin-top: 0.5rem;
    padding-top: 0.75rem;
    font-weight: 600;
}

.matchup-row.expected {
    background-color: rgba(44, 90, 160, 0.1);
    padding: 0.75rem;
    border-radius: 4px;
    margin-top: 0.5rem;
}

.fencer-name {
    font-weight: 600;
}

.stat-value {
    color: var(--primary);
    font-weight: 600;
}

.no-data, .no-data-text {
    text-align: center;
    color: var(--dark-gray);
    font-style: italic;
}

/* Match history table */
.match-history {
    margin-top: 2rem;
}

.match-history h3 {
    color: var(--primary);
    margin-bottom: 1rem;
}

.match-history-table-wrapper {
    overflow-x: auto;
}

#match-history-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

#match-history-table thead th {
    background-color: var(--primary);
    color: white;
    padding: 0.75rem;
    text-align: left;
    font-weight: 600;
}

#match-history-table tbody td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border);
}

#match-history-table tbody tr:hover {
    background-color: var(--light-gray);
}

.winner-elo {
    background-color: rgba(39, 174, 96, 0.1);
    font-weight: 600;
}

.loser-elo {
    background-color: rgba(231, 76, 60, 0.05);
}

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

.negative {
    color: var(--danger);
    font-weight: 600;
}

/* Leaderboard rank-change indicator */
.rank-change {
    font-size: 0.75em;
    font-weight: 600;
    margin-left: 4px;
    white-space: nowrap;
    vertical-align: middle;
}

.rank-change.rank-same {
    color: #999;
}

.rank-change.rank-new {
    color: var(--success);
    font-size: 0.65em;
    letter-spacing: 0.5px;
}

/* Day matches summary (fencer page) */
.day-summary {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 12px 0 18px;
}

.day-summary-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 110px;
    flex: 1;
    padding: 10px 14px;
    background: var(--card-bg, #f8f9fa);
    border: 1px solid var(--border, #e0e0e0);
    border-radius: 8px;
}

.day-summary-label {
    font-size: 0.75em;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #777;
    margin-bottom: 4px;
}

.day-summary-value {
    font-size: 1.25em;
    font-weight: 700;
}

/* Sessions page */
.sessions-list {
    /* Uses existing table styles */
}

.date-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.date-link:hover {
    text-decoration: underline;
}

#sessions-table tbody tr {
    cursor: pointer;
}

#sessions-table tbody tr:hover {
    background-color: var(--light-gray) !important;
}

/* Session detail view */
.session-detail {
    padding: 2rem;
}

.detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.detail-header h3 {
    color: var(--primary);
    font-size: 2rem;
}

.detail-content {
    background: white;
    padding: 2rem;
    border-radius: 8px;
}

.detail-section {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid var(--border);
}

.detail-section h4 {
    color: var(--primary);
    margin-bottom: 1rem;
}

.score-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.score-item {
    padding: 0.75rem;
    background: var(--light-gray);
    border-radius: 4px;
    text-align: center;
}

.results-list {
    list-style-position: inside;
    font-size: 1.1rem;
    line-height: 2;
}

.results-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--light-gray);
}

/* Medal colors for final results */
.results-list li:nth-child(1) {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.3) 0%, rgba(255, 215, 0, 0.1) 100%);
    font-weight: bold;
    border-left: 5px solid #FFD700;
    padding-left: 1rem;
}

.results-list li:nth-child(2) {
    background: linear-gradient(135deg, rgba(192, 192, 192, 0.3) 0%, rgba(192, 192, 192, 0.1) 100%);
    font-weight: bold;
    border-left: 5px solid #C0C0C0;
    padding-left: 1rem;
}

.results-list li:nth-child(3) {
    background: linear-gradient(135deg, rgba(205, 127, 50, 0.3) 0%, rgba(205, 127, 50, 0.1) 100%);
    font-weight: bold;
    border-left: 5px solid #CD7F32;
    padding-left: 1rem;
}

.results-list li:nth-child(4) {
    background: linear-gradient(135deg, rgba(205, 127, 50, 0.3) 0%, rgba(205, 127, 50, 0.1) 100%);
    font-weight: 600;
    border-left: 5px solid #CD7F32;
    padding-left: 1rem;
}

/* Fencer stats page */
.fencer-selector-section {
    padding: 1.5rem;
}

.fencer-selector-section label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.fencer-selector-section select {
    width: 100%;
    max-width: 400px;
    padding: 0.75rem;
    border: 2px solid var(--border);
    border-radius: 4px;
    font-size: 1rem;
}

.fencer-stats-display h3 {
    color: var(--primary);
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.big-stat {
    font-size: 3rem;
    font-weight: bold;
    color: var(--primary);
    margin: 0.5rem 0;
}

.stat-subtext {
    color: var(--dark-gray);
    font-size: 0.9rem;
}

.active-only-badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    background-color: rgba(44, 90, 160, 0.1);
    color: var(--primary);
    border: 1px solid var(--primary);
    border-radius: 3px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-left: 0.25rem;
}

/* Walkover badge and styling */
.walkover-badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    background-color: rgba(149, 165, 166, 0.2);
    color: #7f8c8d;
    border: 1px solid #95a5a6;
    border-radius: 3px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-left: 0.35rem;
}

.walkover-row {
    background-color: rgba(149, 165, 166, 0.05) !important;
}

.walkover-elo {
    font-style: italic;
    opacity: 0.85;
}

/* H2H Quick section */
.h2h-quick {
    background: var(--light-gray);
}

.h2h-quick h3 {
    color: var(--primary);
    margin-bottom: 1rem;
}

.h2h-quick-selector {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin: 1rem 0;
}

.h2h-quick-selector select {
    flex: 1;
    max-width: 300px;
    padding: 0.75rem;
    border: 2px solid var(--border);
    border-radius: 4px;
    font-size: 1rem;
}

.h2h-preview-box {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: white;
    border-radius: 8px;
    border: 2px solid var(--primary);
}

.h2h-preview-content {
    display: flex;
    gap: 2rem;
    justify-content: space-around;
    margin-bottom: 1.5rem;
}

.h2h-preview-stat {
    text-align: center;
}

.h2h-preview-stat strong {
    display: block;
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.h2h-preview-stat span {
    color: var(--dark-gray);
    font-size: 0.9rem;
}

/* Day matches section */
.day-matches {
    background: white;
}

.day-matches h3 {
    color: var(--primary);
    margin-bottom: 1rem;
}

.day-selector {
    margin-bottom: 2rem;
}

.day-selector label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.day-selector select {
    width: 100%;
    max-width: 400px;
    padding: 0.75rem;
    border: 2px solid var(--border);
    border-radius: 4px;
    font-size: 1rem;
}

#day-matches-table {
    width: 100%;
    border-collapse: collapse;
}

#day-matches-table thead th {
    background-color: var(--primary);
    color: white;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

#day-matches-table tbody td {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

#day-matches-table tbody tr:hover {
    background-color: var(--light-gray);
}

/* Head-to-head match history table */
#h2h-match-history-table {
    width: 100%;
    border-collapse: collapse;
}

#h2h-match-history-table thead th {
    background-color: var(--primary);
    color: white;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

#h2h-match-history-table tbody td {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

#h2h-match-history-table tbody tr:hover {
    background-color: var(--light-gray);
}

/* Fencer page H2H section */
.h2h-full {
    background: var(--light-gray);
}

.h2h-full h3 {
    color: var(--primary);
    margin-bottom: 1rem;
}

.h2h-selector {
    margin-bottom: 2rem;
}

.h2h-selector label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.h2h-selector select {
    width: 100%;
    max-width: 400px;
    padding: 0.75rem;
    border: 2px solid var(--border);
    border-radius: 4px;
    font-size: 1rem;
}

.h2h-results-section {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
}

.match-history-section {
    margin-top: 2rem;
}

.match-history-section h4 {
    color: var(--primary);
    margin-bottom: 1rem;
}

/* Placement stats section */
.placement-stats {
    background: white;
}

.placement-stats h3 {
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.placement-summary {
    margin-bottom: 2rem;
}

.placement-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.placement-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.placement-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.placement-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.placement-name {
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.placement-count {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary);
}

.placement-table-wrapper {
    margin-top: 2rem;
}

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

#placement-table thead th {
    background-color: var(--primary);
    color: white;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

#placement-table tbody td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
}

#placement-table tbody tr:hover {
    filter: brightness(0.95);
}

/* Detailed stats section */
.detailed-stats {
    background: white;
}

.detailed-stats h3 {
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.stats-subsection {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--light-gray);
    border-radius: 8px;
}

.stats-subsection h4 {
    color: var(--primary);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.stats-table {
    display: grid;
    gap: 0.75rem;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: white;
    border-radius: 4px;
    border-left: 3px solid var(--primary);
}

.stat-label {
    font-weight: 500;
    color: var(--dark-gray);
}

.stat-value {
    font-weight: 600;
    color: var(--primary);
    font-size: 1.1rem;
}

/* Responsive */
@media (max-width: 768px) {
    header h1 {
        font-size: 1.75rem;
    }

    nav {
        flex-direction: column;
        gap: 0.5rem;
    }

    .filters {
        flex-direction: column;
        gap: 0.5rem;
    }

    .legend {
        flex-direction: column;
        gap: 0.5rem;
    }

    .selector-row {
        flex-direction: column;
        gap: 1rem;
    }

    .fencer-selector {
        max-width: 100%;
    }

    .vs {
        transform: rotate(90deg);
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .chart-controls {
        flex-direction: column;
    }
}

/* Monthly Improvement Tracker Styles */
.month-section {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.month-header {
    border-bottom: 2px solid var(--primary);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
}

.month-header h3 {
    color: var(--primary);
    margin: 0 0 0.5rem 0;
}

.month-header p {
    color: var(--dark-gray);
    margin: 0;
    font-size: 0.9rem;
}

.sessions-list {
    margin-bottom: 1rem;
    padding: 0.75rem;
    background-color: #f8f9fa;
    border-radius: 4px;
}

.sessions-list p {
    margin: 0;
    font-size: 0.9rem;
}

.month-table-wrapper {
    overflow-x: auto;
}

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

.month-table th {
    background-color: var(--primary);
    color: white;
    padding: 0.75rem;
    text-align: left;
    font-weight: 600;
}

.month-table td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--light-gray);
}

.month-table tbody tr:hover {
    background-color: #f8f9fa;
}

.month-table td:first-child {
    font-weight: 600;
    color: var(--dark-gray);
}

/* About Page Styles */
.about-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
}

.about-section {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.about-section h3 {
    color: var(--primary);
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--light-gray);
    padding-bottom: 0.5rem;
}

.about-section h4 {
    color: var(--dark-gray);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.about-section ul {
    margin-left: 1.5rem;
    margin-top: 0.5rem;
}

.about-section li {
    margin-bottom: 0.5rem;
}

.about-section p {
    margin-bottom: 1rem;
    line-height: 1.8;
}