/* Chess Game Styles - Matches Baduk Design Language */

/* ===== Layout ===== */
.chess-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0;
}

.chess-main {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

/* ===== Turn Indicator ===== */
.turn-indicator {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 16px;
    font-weight: 600;
    background: linear-gradient(135deg, #f8f4e6 0%, #e8e0d0 100%);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.turn-indicator.white {
    background: linear-gradient(135deg, #fff 0%, #f0f0f0 100%);
    color: #333;
    border-left: 4px solid #fff;
    box-shadow: 0 2px 10px rgba(255,255,255,0.3);
}

.turn-indicator.black {
    background: linear-gradient(135deg, #444 0%, #222 100%);
    color: #fff;
    border-left: 4px solid #333;
    box-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.turn-indicator::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: currentColor;
}

.turn-indicator.white::before {
    background: #fff;
    border: 2px solid #333;
}

.turn-indicator.black::before {
    background: #333;
    border: 2px solid #666;
}

/* ===== Board Container ===== */
.board-container {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

#chess-board {
    border-radius: 4px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    touch-action: none;
}

/* ===== Game Info ===== */
.game-info {
    display: flex;
    justify-content: space-between;
    width: 100%;
    max-width: 700px;
    padding: 15px 0;
    gap: 30px;
}

.captured-pieces {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.captured-pieces .label {
    font-size: 12px;
    color: #666;
}

.captured-pieces .pieces {
    font-size: 18px;
    min-height: 24px;
    letter-spacing: 2px;
}

#white-captured {
    color: #fff;
    text-shadow: 0 0 2px #000, 0 0 2px #000;
}

#black-captured {
    color: #333;
}

/* ===== Move History ===== */
.history-container {
    width: 100%;
    max-width: 700px;
}

.history-container .label {
    font-size: 14px;
    font-weight: 600;
    color: #666;
    margin-bottom: 8px;
}

#move-history {
    max-height: 150px;
    overflow-y: auto;
    background: #f8f4e6;
    border-radius: 8px;
    padding: 10px;
    font-family: 'Consolas', monospace;
    font-size: 14px;
}

.move-row {
    display: flex;
    gap: 8px;
    padding: 2px 4px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.move-row:last-child {
    border-bottom: none;
}

.move-num {
    width: 30px;
    color: #999;
    text-align: right;
}

.move {
    width: 60px;
}

.white-move {
    color: #333;
}

.black-move {
    color: #666;
}

/* ===== Control Buttons ===== */
.controls {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
    padding: 10px 0;
}

.control-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 16px;
    border: none;
    border-radius: 8px;
    background: linear-gradient(135deg, #6b8e23 0%, #556b2f 100%);
    color: white;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.control-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.control-btn:active:not(:disabled) {
    transform: translateY(0);
}

.control-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.control-btn.secondary {
    background: linear-gradient(135deg, #888 0%, #666 100%);
}

.control-btn.danger {
    background: linear-gradient(135deg, #d9534f 0%, #c9302c 100%);
}

/* ===== Modals ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: #fff;
    border-radius: 16px;
    padding: 24px;
    max-width: 400px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    text-align: center;
    color: #333;
}

/* Settings Modal */
.setting-group {
    margin-bottom: 16px;
}

.setting-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #555;
    margin-bottom: 6px;
}

.setting-group select,
.setting-group input[type="text"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    background: #f9f9f9;
}

.setting-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: 8px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.modal-buttons {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.modal-buttons .control-btn {
    flex: 1;
}

.pgn-buttons {
    display: flex;
    gap: 10px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid #eee;
}

.pgn-buttons .control-btn {
    flex: 1;
    font-size: 13px;
    padding: 8px 12px;
}

/* Game Over Modal */
.gameover-content {
    text-align: center;
}

#game-result {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin-bottom: 8px;
}

#game-reason {
    font-size: 16px;
    color: #666;
    margin-bottom: 20px;
}

/* Promotion Modal */
.promotion-content {
    text-align: center;
}

.promotion-pieces {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin: 20px 0;
}

.promotion-piece {
    width: 60px;
    height: 60px;
    font-size: 48px;
    background: #f0d9b5;
    border: 2px solid #b58863;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.promotion-piece:hover {
    background: #e8d0a0;
    transform: scale(1.1);
}

/* ===== Toast ===== */
#toast {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: rgba(0, 0, 0, 0.85);
    color: white;
    padding: 12px 24px;
    border-radius: 24px;
    font-size: 14px;
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

#toast.active {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    visibility: visible;
}

/* ===== Curtain Animation ===== */
#curtain {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #556b2f 0%, #6b8e23 100%);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

#curtain.active {
    opacity: 1;
    visibility: visible;
}

/* ===== Responsive ===== */
@media (max-width: 600px) {
    .chess-container {
        padding: 5px;
    }

    .turn-indicator {
        font-size: 14px;
        padding: 6px 16px;
    }

    .game-info {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }

    .controls {
        gap: 8px;
    }

    .control-btn {
        padding: 8px 12px;
        font-size: 13px;
    }

    #move-history {
        max-height: 80px;
        font-size: 12px;
    }

    .promotion-piece {
        width: 50px;
        height: 50px;
        font-size: 40px;
    }
}

/* ===== Scrollbar ===== */
#move-history::-webkit-scrollbar {
    width: 6px;
}

#move-history::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 3px;
}

#move-history::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 3px;
}

#move-history::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.3);
}

/* ===== Hidden File Input ===== */
#pgn-file-input {
    display: none;
}

/* ===== Online Panel ===== */
.online-panel {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 15px;
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    border-radius: 12px;
    margin-bottom: 10px;
}

.online-status {
    font-size: 14px;
    font-weight: 500;
}

.online-status.disconnected {
    color: #999;
}

.online-status.connecting {
    color: #ff9800;
}

.online-status.waiting {
    color: #2196f3;
}

.online-status.connected {
    color: #4caf50;
}

.room-code {
    font-family: 'Consolas', monospace;
    font-size: 16px;
    font-weight: bold;
    color: #333;
    padding: 5px 10px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 6px;
}

.control-btn.small {
    padding: 5px 10px;
    font-size: 12px;
}

/* ===== Online Modal ===== */
.online-options {
    margin: 20px 0;
}

.divider-text {
    position: relative;
}

.divider-text::before,
.divider-text::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 35%;
    height: 1px;
    background: #ddd;
}

.divider-text::before {
    left: 0;
}

.divider-text::after {
    right: 0;
}

#waiting-section {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* ===== Turn indicator colors for online ===== */
.turn-indicator.my-turn {
    background: linear-gradient(135deg, #4caf50 0%, #388e3c 100%);
    color: white;
}

.turn-indicator.opponent-turn {
    background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
    color: #666;
}