/* LetterFlow Game Styles */

.letterflow-container {
    max-width: 600px;
}

/* Letter Stream Area */
.letterflow-area {
    position: relative;
    background: var(--bg-elevated);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 20px;
    overflow: hidden;
}

.letterflow-area.double-mode {
    padding-bottom: 20px;
}

.stream-container {
    position: relative;
    height: 80px;
    overflow: hidden;
}

.stream-track {
    height: 56px;
    width: 100%;
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    will-change: transform;
}

.stream-fade {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 60px;
    pointer-events: none;
    z-index: 2;
}

.stream-fade.left {
    left: 0;
    background: linear-gradient(to right, var(--bg-elevated), transparent);
}

.stream-fade.right {
    right: 0;
    background: linear-gradient(to left, var(--bg-elevated), transparent);
}

/* Mode Toggle Button */
.control-btn.mode-btn {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
}

.control-btn.mode-btn:hover {
    border-color: var(--primary);
    background: rgba(245, 158, 11, 0.1);
    color: var(--text-primary);
}

.control-btn.mode-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #1c1917;
}

.control-btn.mode-btn.active:hover {
    background: var(--primary-dark);
    color: #1c1917;
}

/* Letter Tiles */
.letter-tile {
    position: absolute;
    top: 0;
    width: 56px;
    height: 56px;
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.15s ease;
    flex-shrink: 0;
    user-select: none;
}

.letter-tile:hover:not(.used):not(.passed) {
    border-color: var(--primary);
    background: rgba(245, 158, 11, 0.1);
    transform: scale(1.05);
}

.letter-tile.selected {
    border-color: var(--primary);
    background: var(--primary);
    color: var(--bg-dark);
    transform: scale(1.1);
    box-shadow: 0 4px 20px rgba(245, 158, 11, 0.4);
}

.letter-tile.used {
    opacity: 0.3;
    pointer-events: none;
    border-color: var(--success);
    background: rgba(34, 197, 94, 0.1);
}

.letter-tile.passed {
    opacity: 0.2;
    pointer-events: none;
    transform: scale(0.9);
}

.letter-tile.entering {
    animation: letterEnter 0.3s ease-out;
}

@keyframes letterEnter {
    from {
        opacity: 0;
        transform: translateX(30px) scale(0.8);
    }
    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

/* Pause Overlay */
.pause-overlay {
    position: absolute;
    inset: 0;
    background: rgba(12, 10, 9, 0.9);
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    border-radius: 16px;
    z-index: 10;
}

.pause-overlay.active {
    display: flex;
}

.pause-overlay i {
    font-size: 2.5rem;
    color: var(--primary);
}

.pause-overlay span {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Start Overlay */
.start-overlay {
    position: absolute;
    inset: 0;
    background: var(--bg-elevated);
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    z-index: 15;
}

.start-overlay.active {
    display: flex;
}

.letterflow-area:has(.start-overlay.active) {
    min-height: 220px;
}

.start-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.start-content i {
    font-size: 2rem;
    color: var(--primary);
}

.start-content h2 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.start-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0 0 8px 0;
}

.start-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.start-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4);
}

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

/* Word Builder */
.word-builder {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: 16px;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
    min-height: 72px;
}

.current-word {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
    min-height: 40px;
}

.word-placeholder {
    color: var(--text-muted);
    font-style: italic;
}

.word-letter {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: var(--bg-dark);
    border-radius: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.25rem;
    font-weight: 600;
    animation: letterPop 0.2s ease-out;
    cursor: pointer;
    transition: transform 0.15s ease, opacity 0.15s ease;
}

.word-letter:hover {
    transform: scale(0.9);
    opacity: 0.7;
}

@keyframes letterPop {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    70% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.word-actions {
    display: flex;
    gap: 8px;
}

.word-btn {
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 1.1rem;
}

.word-btn.clear {
    background: var(--bg-elevated);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.word-btn.clear:hover {
    background: var(--error);
    color: white;
    border-color: var(--error);
}

.word-btn.submit {
    background: var(--success);
    color: white;
}

.word-btn.submit:hover {
    background: #16a34a;
    transform: scale(1.05);
}

.word-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* Game Controls */
.letterflow-controls {
    display: flex;
    gap: 12px;
}

.letterflow-controls .control-btn {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
}

.letterflow-controls .control-btn:hover {
    background: var(--bg-elevated);
    border-color: var(--primary);
}

.letterflow-controls .reset-btn {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border: none;
    color: white;
}

.letterflow-controls .reset-btn:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--accent));
}

.pause-btn {
    flex: 1;
}

.pause-btn.paused {
    background: var(--success);
}

.pause-btn.paused i::before {
    content: "\f04b"; /* play icon */
}

.pause-btn.paused span::after {
    content: "Resume";
}

.pause-btn.paused span {
    font-size: 0;
}

/* Game Progress */
.game-progress {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    padding: 16px 20px;
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border);
}

.progress-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-weight: 500;
    white-space: nowrap;
}

.progress-item i {
    color: var(--primary);
}

#timeRemaining {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    color: var(--text-primary);
    font-weight: 600;
}

.progress-bar-container {
    flex: 1;
    height: 8px;
    background: var(--bg-elevated);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 4px;
    transition: width 0.5s linear;
}

.progress-bar-fill.warning {
    background: var(--warning);
}

.progress-bar-fill.danger {
    background: var(--error);
    animation: pulse 0.5s ease-in-out infinite;
}

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

/* Words Found */
.words-found {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px 20px;
    margin-bottom: 20px;
}

.words-found h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.words-found h3 i {
    color: var(--primary);
}

.words-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    max-height: 100px;
    overflow-y: auto;
}

.no-words {
    color: var(--text-muted);
    font-style: italic;
    font-size: 0.875rem;
}

.found-word {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
    animation: wordPop 0.3s ease-out;
}

.found-word .word-score {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.75rem;
}

@keyframes wordPop {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    70% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Invalid Word Shake */
.word-builder.invalid {
    animation: shake 0.4s ease-out;
    border-color: var(--error);
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-8px); }
    40% { transform: translateX(8px); }
    60% { transform: translateX(-6px); }
    80% { transform: translateX(6px); }
}

/* Valid Word Flash */
.word-builder.valid {
    border-color: var(--success);
    animation: validFlash 0.4s ease-out;
}

@keyframes validFlash {
    0% { background: var(--bg-card); }
    50% { background: rgba(34, 197, 94, 0.2); }
    100% { background: var(--bg-card); }
}

/* Modal Adjustments */
.modal-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.modal-icon i {
    font-size: 2rem;
    color: white;
}

/* Light Theme Adjustments */
[data-theme="light"] .letterflow-area {
    background: var(--bg-elevated);
}

[data-theme="light"] .letter-tile {
    background: white;
}

[data-theme="light"] .pause-overlay {
    background: rgba(255, 255, 255, 0.95);
}

[data-theme="light"] .pause-overlay span {
    color: var(--text-primary);
}

[data-theme="light"] .start-overlay {
    background: var(--bg-elevated);
}

[data-theme="light"] .letter-tile {
    background: #f5f5f4;
    border-color: #d6d3d1;
    color: var(--text-primary);
}

[data-theme="light"] .letter-tile:hover:not(.used):not(.passed) {
    background: rgba(245, 158, 11, 0.15);
}

[data-theme="light"] .letter-tile.selected {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

[data-theme="light"] .word-display {
    background: #f5f5f4;
}

[data-theme="light"] .word-letter {
    background: white;
    border-color: #d6d3d1;
    color: var(--text-primary);
}

[data-theme="light"] .found-word {
    background: #f5f5f4;
    color: var(--text-primary);
}

/* Responsive */
@media (max-width: 480px) {
    .letter-tile {
        width: 48px;
        height: 48px;
        font-size: 1.5rem;
    }
    
    .word-letter {
        width: 36px;
        height: 36px;
        font-size: 1.1rem;
    }
    
    .letterflow-controls {
        flex-direction: column;
    }
    
    .game-progress {
        flex-wrap: wrap;
    }
}