/* Flashcard Item Styles */
.flashcard-item .flashcard-content h2 {
    margin: 0 0 10px 0;
    font-size: 1.4em;
}
.flashcard-item .flashcard-content h2 a {
    color: inherit;
    text-decoration: none;
}
.flashcard-item .flashcard-content h2 a:hover {
    color: #6afcff;
}

/* Meta row */
.flashcard-meta-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}
.flashcard-card-count {
    font-size: 0.9em;
    color: #6afcff;
    font-weight: 600;
}
.flashcard-difficulty-badge {
    font-size: 0.75em;
    padding: 3px 10px;
    border-radius: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.flashcard-difficulty-beginner {
    background: rgba(76, 175, 80, 0.2);
    color: #4CAF50;
    border: 1px solid rgba(76, 175, 80, 0.3);
}
.flashcard-difficulty-intermediate {
    background: rgba(255, 193, 7, 0.2);
    color: #ffc107;
    border: 1px solid rgba(255, 193, 7, 0.3);
}
.flashcard-difficulty-advanced {
    background: rgba(244, 67, 54, 0.2);
    color: #f44336;
    border: 1px solid rgba(244, 67, 54, 0.3);
}
.flashcard-style-badge {
    font-size: 0.75em;
    padding: 3px 10px;
    border-radius: 12px;
    background: rgba(106, 252, 255, 0.1);
    color: #6afcff;
    border: 1px solid rgba(106, 252, 255, 0.2);
}
.flashcard-description {
    font-size: 0.95em;
    color: #b8c5d0;
    margin: 8px 0 15px;
    line-height: 1.4;
}

/* Progress Section */
.flashcard-progress-section {
    background: rgba(255,255,255,0.03);
    border-radius: 10px;
    padding: 15px;
    margin: 15px 0;
    border: 1px solid rgba(106, 252, 255, 0.15);
}
.flashcard-progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}
.flashcard-progress-header .progress-label {
    font-size: 0.9em;
    color: #88aacc;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.sessions-badge {
    background: linear-gradient(135deg, rgba(255,193,7,0.2), rgba(255,152,0,0.2));
    color: #ffc107;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.8em;
    border: 1px solid rgba(255,193,7,0.3);
}
.flashcard-progress-bar {
    height: 12px;
    background: rgba(76, 175, 80, 0.15);
    border-radius: 6px;
    overflow: hidden;
    margin: 8px 0;
}
.flashcard-progress-bar .progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #4CAF50, #8BC34A);
    border-radius: 6px;
    transition: width 0.4s ease;
}
.flashcard-progress-text {
    font-size: 0.9em;
    color: #b8c5d0;
    margin-top: 8px;
}
.perfect-badge {
    color: #ffc107;
    margin-left: 8px;
    font-weight: 600;
}

/* Controls */
.flashcard-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 15px 0;
    flex-wrap: wrap;
    gap: 10px;
}
.flashcard-mode-toggle {
    display: flex;
    gap: 0;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.15);
}
.flashcard-mode-btn {
    padding: 8px 16px;
    background: rgba(255,255,255,0.05);
    color: #88aacc;
    border: none;
    cursor: pointer;
    font-size: 0.85em;
    font-weight: 600;
    transition: all 0.2s ease;
}
.flashcard-mode-btn.active {
    background: rgba(106, 252, 255, 0.15);
    color: #6afcff;
}
.flashcard-mode-btn:hover:not(.active) {
    background: rgba(255,255,255,0.1);
    color: #ddd;
}
.flashcard-nav-info {
    font-size: 0.9em;
    color: #88aacc;
    font-weight: 600;
}

/* Card */
.flashcard-deck {
    margin: 20px 0;
}
.flashcard-card-wrapper {
    perspective: 1000px;
    margin: 0 auto;
    max-width: 600px;
}
.flashcard-card {
    cursor: pointer;
    outline: none;
}
.flashcard-card:focus {
    outline: 2px solid rgba(106, 252, 255, 0.4);
    border-radius: 16px;
}
.flashcard-card-inner {
    position: relative;
    width: 100%;
    min-height: 280px;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
}
.flashcard-card-inner.flipped {
    transform: rotateY(180deg);
}
.flashcard-card-front,
.flashcard-card-back {
    position: absolute;
    width: 100%;
    min-height: 280px;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    border-radius: 16px;
    padding: 30px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}
.flashcard-card-front {
    background: linear-gradient(135deg, rgba(30, 50, 80, 0.9), rgba(20, 35, 60, 0.95));
    border: 2px solid rgba(106, 252, 255, 0.3);
}
.flashcard-card-back {
    background: linear-gradient(135deg, rgba(40, 70, 50, 0.9), rgba(25, 50, 35, 0.95));
    border: 2px solid rgba(76, 175, 80, 0.4);
    transform: rotateY(180deg);
}
.flashcard-card-category {
    font-size: 0.75em;
    color: #6afcff;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
    font-weight: 600;
}
.flashcard-card-back .flashcard-card-category {
    color: #8BC34A;
}
.flashcard-card-text {
    font-size: 1.3em;
    color: #fff;
    line-height: 1.6;
    max-width: 100%;
    word-wrap: break-word;
}
.flashcard-flip-hint {
    position: absolute;
    bottom: 15px;
    font-size: 0.75em;
    color: rgba(255,255,255,0.3);
}

/* Card status */
.flashcard-card-status {
    text-align: center;
    margin: 10px 0;
    min-height: 24px;
}
.flashcard-card-status .status-mastered {
    color: #4CAF50;
    font-size: 0.85em;
    font-weight: 600;
}
.flashcard-card-status .status-reviewing {
    color: #ffc107;
    font-size: 0.85em;
    font-weight: 600;
}
.flashcard-card-status .status-new {
    color: #88aacc;
    font-size: 0.85em;
    font-weight: 600;
}

/* Navigation */
.flashcard-navigation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin: 20px 0;
}
.flashcard-nav-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    color: #ddd;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}
.flashcard-nav-btn:hover {
    background: rgba(106, 252, 255, 0.15);
    border-color: rgba(106, 252, 255, 0.3);
    color: #6afcff;
}
.flashcard-action-btns {
    display: flex;
    gap: 10px;
}
.flashcard-action-btn {
    padding: 10px 20px;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    font-size: 0.9em;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}
.flashcard-review-btn {
    background: rgba(255, 193, 7, 0.15);
    color: #ffc107;
    border: 1px solid rgba(255, 193, 7, 0.3);
}
.flashcard-review-btn:hover {
    background: rgba(255, 193, 7, 0.25);
    border-color: rgba(255, 193, 7, 0.5);
}
.flashcard-got-it-btn {
    background: rgba(76, 175, 80, 0.15);
    color: #4CAF50;
    border: 1px solid rgba(76, 175, 80, 0.3);
}
.flashcard-got-it-btn:hover {
    background: rgba(76, 175, 80, 0.25);
    border-color: rgba(76, 175, 80, 0.5);
}

/* Dots */
.flashcard-dots {
    display: flex;
    justify-content: center;
    gap: 6px;
    flex-wrap: wrap;
    margin: 15px 0;
    padding: 10px;
}
.flashcard-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    cursor: pointer;
    transition: all 0.2s ease;
}
.flashcard-dot.active {
    background: #6afcff;
    transform: scale(1.3);
    box-shadow: 0 0 8px rgba(106, 252, 255, 0.4);
}
.flashcard-dot.mastered {
    background: #4CAF50;
}
.flashcard-dot.reviewing {
    background: #ffc107;
}
.flashcard-dot.mastered.active {
    background: #4CAF50;
    box-shadow: 0 0 8px rgba(76, 175, 80, 0.4);
}
.flashcard-dot.reviewing.active {
    background: #ffc107;
    box-shadow: 0 0 8px rgba(255, 193, 7, 0.4);
}

/* Results */
.flashcard-results {
    float: left;
    width: 100%;
    box-sizing: border-box;
    background: linear-gradient(135deg, rgba(106, 252, 255, 0.1), rgba(0, 201, 255, 0.05));
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    margin-top: 20px;
    border: 1px solid rgba(106, 252, 255, 0.2);
}
.flashcard-results .results-header h3 {
    margin: 0 0 20px;
    color: #fff;
    font-size: 1.5em;
}
.results-stats {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.results-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.results-stat .stat-value {
    font-size: 2.5em;
    font-weight: 700;
    color: #6afcff;
}
.results-stat .stat-label {
    font-size: 0.85em;
    color: #88aacc;
    margin-top: 4px;
}
.results-message {
    font-size: 1.1em;
    color: #b8c5d0;
    margin-bottom: 20px;
}
.results-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}
.flashcard-btn-primary {
    padding: 12px 24px;
    background: #00faff;
    color: #0a1628;
    border: none;
    border-radius: 10px;
    font-weight: 700;
    cursor: pointer;
    font-size: 0.95em;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.flashcard-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(106, 252, 255, 0.3);
}
.flashcard-btn-secondary {
    padding: 12px 24px;
    background: rgba(255,255,255,0.08);
    color: #ddd;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.95em;
    transition: all 0.2s ease;
}
.flashcard-btn-secondary:hover {
    background: rgba(255,255,255,0.12);
    border-color: rgba(255,255,255,0.3);
}

/* Preview styles for list view */
.flashcard-preview {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(255,255,255,0.1);
}
.flashcard-preview-card {
    display: flex;
    gap: 8px;
    padding: 8px 0;
    color: #b8c5d0;
    font-size: 0.9em;
}
.flashcard-preview-card .preview-number {
    color: #6afcff;
    font-weight: 600;
    min-width: 20px;
}
.flashcard-more-indicator {
    color: #88aacc;
    font-size: 0.85em;
    margin-top: 8px;
    font-style: italic;
}

/* Mobile responsive */
@media (max-width: 600px) {
    .flashcard-card-front,
    .flashcard-card-back {
        min-height: 220px;
        padding: 20px;
    }
    .flashcard-card-text {
        font-size: 1.1em;
    }
    .flashcard-action-btns {
        flex-direction: column;
        gap: 8px;
    }
    .flashcard-action-btn {
        padding: 8px 14px;
        font-size: 0.85em;
    }
    .results-stats {
        gap: 15px;
    }
    .results-stat .stat-value {
        font-size: 2em;
    }
}