/* Tournament Page Styling */
.tournaments-page {
    padding: 2rem 1rem;
    max-width: 1400px;
    margin: 0 auto;
}

.tournaments-header {
    text-align: center;
    margin-bottom: 3rem;
}

.tournaments-header h2 {
    color: #2c3e50;
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.tournaments-header p {
    color: #7f8c8d;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.admin-actions {
    margin-top: 1.5rem;
}

.create-tournament-btn,
.create-first-tournament-btn {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.create-tournament-btn:hover,
.create-first-tournament-btn:hover {
    background: linear-gradient(135deg, #2980b9, #3498db);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.4);
}

/* Tournament Sections */
.tournaments-section {
    margin-bottom: 3rem;
}

.tournaments-section h3 {
    color: #2c3e50;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    padding-left: 1rem;
    border-left: 4px solid #3498db;
}

.tournaments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
}

/* Tournament Cards */
.tournament-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid #e0e6ed;
    position: relative;
}

.tournament-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.tournament-card.active {
    border-left: 5px solid #e74c3c;
}

.tournament-card.upcoming {
    border-left: 5px solid #f39c12;
}

.tournament-card.completed {
    border-left: 5px solid #27ae60;
}

.tournament-card-header {
    padding: 1.5rem 1.5rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tournament-card-header h4 {
    color: #2c3e50;
    font-size: 1.3rem;
    font-weight: 600;
    margin: 0;
    flex: 1;
}

.tournament-status {
    padding: 4px 12px;
    border-radius: 20px;
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tournament-card-body {
    padding: 1rem 1.5rem;
}

.tournament-description {
    color: #7f8c8d;
    font-size: 0.95rem;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.tournament-details {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.detail-icon {
    font-size: 1rem;
}

.detail-text {
    color: #5a6c7d;
}

.tournament-card-footer {
    padding: 0 1.5rem 1.5rem;
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.view-tournament-btn,
.join-tournament-btn,
.manage-tournament-btn,
.delete-tournament-btn {
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    flex: 1;
    min-width: fit-content;
}

.view-tournament-btn {
    background: #3498db;
    color: white;
}

.view-tournament-btn:hover {
    background: #2980b9;
}

.join-tournament-btn {
    background: #27ae60;
    color: white;
}

.join-tournament-btn:hover {
    background: #229954;
}

.manage-tournament-btn {
    background: #f39c12;
    color: white;
}

.manage-tournament-btn:hover {
    background: #e67e22;
}

.delete-tournament-btn {
    background: #e74c3c;
    color: white;
}

.delete-tournament-btn:hover {
    background: #c0392b;
}

/* Empty State */
.no-tournaments {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-state h3 {
    color: #2c3e50;
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.empty-state p {
    color: #7f8c8d;
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.tournament-illustration {
    font-size: 4rem;
    margin: 2rem 0;
    opacity: 0.5;
}

/* Tournament Details Modal */
.tournament-details-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 2rem;
}

.tournament-details-modal {
    background: white;
    border-radius: 12px;
    max-width: 1200px;
    max-height: 90vh;
    width: 100%;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.tournament-details-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem;
    border-bottom: 1px solid #e0e6ed;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 12px 12px 0 0;
}

.tournament-details-header h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin: 0;
}

.close-details-btn {
    background: none;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
}

.close-details-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.tournament-details-content {
    padding: 2rem;
}

.tournament-info {
    margin-bottom: 2rem;
}

.tournament-meta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.tournament-status-badge {
    padding: 6px 16px;
    border-radius: 20px;
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
}

.tournament-status-badge.active {
    background: #e74c3c;
}

.tournament-status-badge.upcoming {
    background: #f39c12;
}

.tournament-status-badge.completed {
    background: #27ae60;
}

.tournament-participants,
.tournament-date {
    color: #5a6c7d;
    font-size: 0.95rem;
}

.tournament-description {
    color: #2c3e50;
    font-size: 1rem;
    line-height: 1.6;
}

/* Tournament Types Section */
.tournament-type-selector {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #e9ecef;
}

.tournament-type-selector h4 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.tournament-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.tournament-type-option {
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.tournament-type-option:hover {
    border-color: #3498db;
    transform: translateY(-2px);
}

.tournament-type-option.selected {
    border-color: #3498db;
    background: #ebf3fd;
}

.tournament-type-name {
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.tournament-type-description {
    font-size: 0.875rem;
    color: #7f8c8d;
    line-height: 1.4;
}

/* Tournament Bracket - Main Feature */
.tournament-bracket {
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    margin-top: 2rem;
}

.tournament-bracket h4 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1.5rem 2rem;
    margin: 0;
    font-size: 1.4rem;
    font-weight: 600;
}

.bracket-container {
    padding: 2rem;
    overflow-x: auto;
    min-height: 400px;
}

.bracket-rounds-wrapper {
    display: flex;
    gap: 3rem;
    align-items: center;
    min-width: fit-content;
    position: relative;
}

.bracket-round {
    display: flex;
    flex-direction: column;
    min-width: 220px;
}

.round-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.round-header h5 {
    color: #2c3e50;
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
    padding: 0.5rem 1rem;
    background: #f8f9fa;
    border-radius: 20px;
    border: 2px solid #e9ecef;
}

.round-matches {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    flex: 1;
    justify-content: center;
}

/* Bracket Matches */
.bracket-match {
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
}

.bracket-match:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.12);
}

.bracket-match.completed {
    border-color: #27ae60;
}

.bracket-match.in_progress {
    border-color: #f39c12;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 4px 15px rgba(243, 156, 18, 0.3); }
    50% { box-shadow: 0 6px 25px rgba(243, 156, 18, 0.5); }
    100% { box-shadow: 0 4px 15px rgba(243, 156, 18, 0.3); }
}

.match-players {
    position: relative;
}

.match-player {
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.2s ease;
}

.match-player:first-child {
    border-bottom: 1px solid #e9ecef;
}

.match-player.winner {
    background: linear-gradient(90deg, #d5f4e6, #f0fff4);
    color: #27ae60;
    font-weight: 600;
}

.player-name {
    font-weight: 500;
    color: #2c3e50;
}

.match-player.winner .player-name {
    color: #27ae60;
    font-weight: 600;
}

.tbd {
    color: #bdc3c7;
    font-style: italic;
}

.match-vs {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    color: #7f8c8d;
    padding: 4px 8px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.match-result {
    padding: 0.75rem 1.5rem;
    background: #f8f9fa;
    color: #27ae60;
    font-weight: 600;
    text-align: center;
    font-size: 0.875rem;
}

.match-status {
    padding: 0.75rem 1.5rem;
    background: #fff3cd;
    color: #856404;
    font-weight: 600;
    text-align: center;
    font-size: 0.875rem;
}

/* Connecting Lines for Bracket */
.bracket-round:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -1.5rem;
    top: 50%;
    width: 3rem;
    height: 2px;
    background: linear-gradient(90deg, #3498db, #2980b9);
    transform: translateY(-50%);
    z-index: 1;
}

/* Participants List */
.participants-section {
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 12px;
    margin-top: 2rem;
}

.participants-section h4 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.participants-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.participant-item {
    background: white;
    padding: 1rem;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    border: 1px solid #e9ecef;
    transition: all 0.2s ease;
}

.participant-item:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.participant-avatar {
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #3498db;
    display: flex;
    align-items: center;
    justify-content: center;
}

.participant-info {
    flex: 1;
}

.participant-name {
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.25rem;
}

.participant-username {
    color: #7f8c8d;
    font-size: 0.875rem;
}

.join-tournament-section {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 8px;
    border: 2px dashed #3498db;
}

.join-tournament-section p {
    color: #5a6c7d;
    margin-bottom: 1rem;
}

/* Ongoing Tournament Highlight - Main Feature */
.active-tournaments .tournament-card:first-child {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transform: scale(1.02);
    box-shadow: 0 15px 50px rgba(102, 126, 234, 0.4);
    border: none;
}

.active-tournaments .tournament-card:first-child .tournament-card-header h4 {
    color: white;
    font-size: 1.5rem;
}

.active-tournaments .tournament-card:first-child .tournament-description,
.active-tournaments .tournament-card:first-child .detail-text {
    color: rgba(255, 255, 255, 0.9);
}

.active-tournaments .tournament-card:first-child .tournament-status {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.active-tournaments .tournament-card:first-child .view-tournament-btn {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
}

.active-tournaments .tournament-card:first-child .view-tournament-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* No Bracket State */
.no-bracket {
    text-align: center;
    padding: 3rem 2rem;
    color: #7f8c8d;
}

/* Responsive Design */
@media (max-width: 768px) {
    .tournaments-page {
        padding: 1rem 0.5rem;
    }
    
    .tournaments-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .tournament-details-overlay {
        padding: 1rem;
    }
    
    .tournament-details-header {
        padding: 1.5rem;
    }
    
    .tournament-details-content {
        padding: 1.5rem;
    }
    
    .tournament-meta {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .bracket-container {
        padding: 1rem;
    }
    
    .bracket-rounds-wrapper {
        gap: 2rem;
    }
    
    .bracket-round {
        min-width: 180px;
    }
    
    .participants-list {
        grid-template-columns: 1fr;
    }
    
    .tournament-card-footer {
        flex-direction: column;
    }
    
    .active-tournaments .tournament-card:first-child {
        grid-column: 1;
        transform: none;
    }
}

@media (max-width: 480px) {
    .tournaments-header h2 {
        font-size: 2rem;
    }
    
    .tournament-card {
        margin: 0 0.5rem;
    }
    
    .tournament-card-header,
    .tournament-card-body,
    .tournament-card-footer {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .bracket-round {
        min-width: 160px;
    }
    
    .match-player {
        padding: 0.75rem 1rem;
    }
}

/* Tournament Management Styles */
.tournament-management .tournament-overview {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 8px;
}

.tournament-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
}

.stat-label {
    font-weight: 600;
    color: #2c3e50;
}

.stat-value {
    color: #5a6c7d;
}

.tournament-actions-section {
    margin-bottom: 2rem;
}

.action-buttons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.action-btn {
    padding: 1rem;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s ease;
}

.action-btn:hover {
    background: #2980b9;
    transform: translateY(-1px);
}

.generate-bracket {
    background: #27ae60;
}

.generate-bracket:hover {
    background: #229954;
}

/* Player Selection Styles */
.required {
    color: #e74c3c;
    font-weight: bold;
}

.player-count {
    font-size: 0.875rem;
    color: #7f8c8d;
    margin-bottom: 1rem;
    padding: 0.5rem 1rem;
    background: #f8f9fa;
    border-radius: 6px;
    border: 1px solid #e9ecef;
}

.player-count.has-selection {
    background: #d5f4e6;
    color: #27ae60;
    border-color: #27ae60;
    font-weight: 600;
}

.players-selection-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 0.75rem;
    max-height: 300px;
    overflow-y: auto;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #e9ecef;
}

.player-selection-item {
    background: white;
    border-radius: 6px;
    border: 2px solid #e9ecef;
    transition: all 0.2s ease;
    overflow: hidden;
}

.player-selection-item:hover {
    border-color: #3498db;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(52, 152, 219, 0.2);
}

.player-checkbox {
    display: none;
}

.player-checkbox:checked + .player-label {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    border-color: #2980b9;
}

.player-checkbox:checked + .player-label .player-name {
    color: white;
    font-weight: 600;
}

.player-checkbox:checked + .player-label .player-username {
    color: rgba(255, 255, 255, 0.9);
}

.player-label {
    display: block;
    padding: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    background: white;
}

.player-label:hover {
    background: #f8f9fa;
}

.player-name {
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.25rem;
    font-size: 0.95rem;
}

.player-username {
    color: #7f8c8d;
    font-size: 0.8rem;
}

/* Form Button States */
.save-button.disabled {
    background: #bdc3c7 !important;
    color: #7f8c8d !important;
    cursor: not-allowed !important;
    transform: none !important;
    box-shadow: none !important;
}

.save-button.disabled:hover {
    background: #bdc3c7 !important;
    transform: none !important;
    box-shadow: none !important;
}

.save-button:disabled {
    background: #bdc3c7 !important;
    color: #7f8c8d !important;
    cursor: not-allowed !important;
    transform: none !important;
    box-shadow: none !important;
}

.save-button:disabled:hover {
    background: #bdc3c7 !important;
    transform: none !important;
    box-shadow: none !important;
}

/* Player Search Styles */
.player-search-container {
    margin-bottom: 1rem;
}

.player-search-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1rem;
    background: white;
    transition: all 0.2s ease;
    box-sizing: border-box;
}

.player-search-input:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
    background: #f8f9ff;
}

.player-search-input::placeholder {
    color: #7f8c8d;
    font-style: italic;
}

.search-results-count {
    font-size: 0.875rem;
    color: #7f8c8d;
    margin-top: 0.5rem;
    padding: 0.25rem 0.5rem;
    background: #f8f9fa;
    border-radius: 4px;
    display: inline-block;
}

.search-results-count.filtered {
    background: #e3f2fd;
    color: #1976d2;
    font-weight: 500;
}

/* Enhanced player selection grid for search */
.players-selection-grid {
    transition: all 0.3s ease;
}

.player-selection-item {
    transition: all 0.2s ease;
}

.player-selection-item[style*="display: none"] {
    opacity: 0;
    transform: scale(0.9);
}

/* Search highlighting */
.player-search-input:not(:placeholder-shown) ~ .players-selection-grid .player-selection-item {
    border-color: #e9ecef;
}

.player-search-input:not(:placeholder-shown) ~ .players-selection-grid .player-selection-item:not([style*="display: none"]) {
    border-color: #3498db;
    box-shadow: 0 2px 8px rgba(52, 152, 219, 0.15);
}