/* =================================================================
   PICTURE STORY MODULE STYLES
   Version 1.0 - November 2025
   ================================================================= */

.module-picture-story {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.module-picture-story h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Controls */
.ps-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.ps-mode-toggle {
    display: flex;
    background: var(--bg-tertiary);
    border-radius: 8px;
    padding: 4px;
    gap: 4px;
}

.ps-mode-btn {
    padding: 8px 16px;
    border: none;
    background: transparent;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
}

.ps-mode-btn:hover {
    color: var(--text-primary);
}

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

.ps-sequence-nav {
    display: flex;
    align-items: center;
    gap: 12px;
}

#psSequenceInfo {
    font-weight: 500;
    color: var(--text-primary);
    min-width: 140px;
    text-align: center;
}

/* Story Header */
.ps-story-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.ps-story-header h2 {
    font-size: 20px;
    color: var(--text-primary);
}

.ps-attempts {
    font-weight: 500;
    color: var(--text-secondary);
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border-radius: 6px;
}

/* Instruction */
.ps-instruction {
    padding: 12px 16px;
    background: var(--primary-light);
    border-radius: 8px;
    color: var(--primary-dark);
    font-weight: 500;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Story Area */
.ps-story-area {
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-height: 300px;
}

/* Sentence Card */
.ps-sentence-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s;
}

.ps-sentence-card:hover {
    box-shadow: var(--shadow-md);
}

.ps-sentence-card.correct {
    border-color: var(--success);
    background: var(--success-light);
}

.ps-sentence-card.incorrect {
    border-color: var(--error);
    background: #FEE2E2;
}

/* Drag Handle */
.ps-drag-handle {
    cursor: grab;
    padding: 8px;
    color: var(--text-secondary);
    font-size: 18px;
    display: flex;
    align-items: center;
}

.ps-drag-handle:active {
    cursor: grabbing;
}

/* Sentence Content */
.ps-sentence-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ps-sentence-pictures {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
}

.ps-sentence-text {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 500;
}

/* Audio Button */
.ps-sentence-audio {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: var(--gray-200);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.2s;
}

.ps-sentence-audio:hover {
    background: var(--primary);
    color: white;
}

/* Position Indicator */
.ps-position-indicator {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-weight: 600;
    font-size: 14px;
}

.ps-sentence-card.correct .ps-position-indicator {
    background: var(--success);
    color: white;
}

.ps-sentence-card.incorrect .ps-position-indicator {
    background: var(--warning);
    color: white;
}

/* Compact Flip Cards */
.ps-card-wrapper {
    width: 50px;
    height: 75px;
    perspective: 1000px;
    cursor: pointer;
    flex-shrink: 0;
}

.ps-card-inner {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.4s;
}

.ps-card-wrapper.flipped .ps-card-inner {
    transform: rotateY(180deg);
}

.ps-card-front,
.ps-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.ps-card-front {
    background: var(--bg-primary);
}

.ps-card-front img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ps-card-speaker {
    position: absolute;
    bottom: 2px;
    right: 2px;
    font-size: 10px;
    color: var(--primary);
    background: rgba(255, 255, 255, 0.9);
    padding: 2px;
    border-radius: 50%;
}

.ps-card-back {
    background: var(--primary);
    color: white;
    transform: rotateY(180deg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4px;
    text-align: center;
}

.ps-card-word {
    font-size: 9px;
    font-weight: 600;
    word-break: break-word;
}

.ps-card-english {
    font-size: 7px;
    opacity: 0.8;
    margin-top: 2px;
}

/* Function words */
.ps-function-word {
    padding: 4px 8px;
    background: var(--gray-100);
    border-radius: 3px;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 12px;
}

/* Sortable states */
.ps-sentence-ghost {
    opacity: 0.4;
}

.ps-sentence-chosen {
    box-shadow: var(--shadow-lg);
    transform: scale(1.02);
}

.ps-sentence-drag {
    opacity: 0;
}

/* Actions */
.ps-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

/* Feedback */
.ps-feedback {
    margin-top: 20px;
    padding: 16px;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.ps-feedback.correct {
    background: var(--success-light);
    color: #065F46;
}

.ps-feedback.incorrect {
    background: #FEE2E2;
    color: #DC2626;
}

/* Empty State */
.module-picture-story .empty-state {
    text-align: center;
    padding: 60px 20px;
}

.module-picture-story .empty-state i {
    font-size: 48px;
    color: var(--warning);
    margin-bottom: 16px;
}

.module-picture-story .empty-state h2 {
    margin-bottom: 8px;
    color: var(--text-primary);
}

.module-picture-story .empty-state p {
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .ps-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .ps-sentence-card {
        flex-wrap: wrap;
    }

    .ps-card-wrapper {
        width: 40px;
        height: 60px;
    }

    .ps-card-word {
        font-size: 8px;
    }

    .ps-card-english {
        font-size: 6px;
    }

    .ps-sentence-text {
        font-size: 12px;
    }

    .ps-actions {
        flex-wrap: wrap;
    }
}