@import url('https://fonts.googleapis.com/css2?family=DM+Sans:opsz,wght@9..40,400;500;700&family=Fraunces:opsz,wght@9..144,400;600;700&display=swap');

/* All classes updated to .slss- prefix */

.slss-wrapper {
    --slss-primary: #00a5cf;
    --slss-primary-dark: #008bb0;
    --slss-primary-light: #e8f7fb;
    --slss-accent: #f4845f;
    --slss-text-dark: #1a2e35;
    --slss-text-body: #3d5a63;
    --slss-text-muted: #6b8a94;
    --slss-border: #d4e5eb;
    
    font-family: 'DM Sans', sans-serif;
    color: var(--slss-text-body);
    max-width: 700px;
    margin: 40px auto;
}

/* Typography Overrides */
.slss-wrapper h2, 
.slss-wrapper h3, 
.slss-wrapper .slss-q-text {
    font-family: 'Fraunces', serif;
    color: var(--slss-text-dark);
}

.slss-card {
    background: #ffffff;
    border: 1px solid var(--slss-border);
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 4px 12px rgba(0, 165, 207, 0.05);
}

.hidden { display: none !important; }

/* Menu View */
.slss-menu h2 {
    text-align: center;
    margin-bottom: 24px;
    color: var(--slss-primary-dark);
}

.slss-stats-bar {
    background: var(--slss-primary-light);
    padding: 16px;
    border-radius: 12px;
    margin-bottom: 24px;
    border: 1px solid var(--slss-border);
}

.slss-stats-text {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 700;
    color: var(--slss-primary-dark);
}

.slss-progress-track {
    background: #ffffff;
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--slss-border);
}

.slss-progress-track div {
    background: var(--slss-primary);
    height: 100%;
    transition: width 0.5s ease;
}

.slss-filters {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

.slss-filters label span {
    display: block;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--slss-text-muted);
    text-transform: uppercase;
}

.slss-filters select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--slss-border);
    border-radius: 8px;
    font-family: 'DM Sans', sans-serif;
    color: var(--slss-text-dark);
}

.slss-modes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
}

.slss-mode-btn {
    background: #ffffff;
    border: 2px solid var(--slss-border);
    border-radius: 12px;
    padding: 20px 10px;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s;
}

.slss-mode-btn:hover {
    border-color: var(--slss-primary);
    background: var(--slss-primary-light);
}

.slss-mode-btn .icon {
    font-size: 24px;
    display: block;
    margin-bottom: 8px;
}

.slss-mode-btn strong {
    display: block;
    color: var(--slss-text-dark);
    font-family: 'Fraunces', serif;
}

.slss-mode-btn small {
    font-size: 12px;
    color: var(--slss-text-muted);
}

/* Shared UI */
.slss-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--slss-border);
}

.slss-btn-text {
    background: none;
    border: none;
    color: var(--slss-text-muted);
    cursor: pointer;
    font-family: 'DM Sans', sans-serif;
    font-weight: 500;
}
.slss-btn-text:hover { color: var(--slss-primary); }

.slss-counter {
    font-size: 14px;
    font-weight: 700;
    color: var(--slss-text-muted);
}

.slss-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 12px;
}
.slss-badge.mastered { background: #d1fae5; color: #065f46; }
.slss-badge.learning { background: #ffedd5; color: #9a3412; }

.slss-q-text {
    font-size: 20px;
    line-height: 1.5;
    margin: 0 0 16px 0;
}

.slss-q-img {
    max-width: 100%;
    height: auto;
    max-height: 250px;
    border-radius: 8px;
    margin: 0 auto 16px;
    display: block;
    border: 1px solid var(--slss-border);
}

/* Flashcard Specifics */
.slss-flip-container {
    perspective: 1000px;
    height: 350px;
    cursor: pointer;
    margin-bottom: 24px;
}

.slss-flip-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.slss-flip-container.flipped .slss-flip-inner {
    transform: rotateY(180deg);
}

.slss-front, .slss-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border: 2px solid var(--slss-border);
    border-radius: 16px;
    background: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 32px;
    box-sizing: border-box;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
}

.slss-back {
    transform: rotateY(180deg);
    background: var(--slss-primary-light);
    border-color: var(--slss-primary-dark);
}

.slss-hint {
    font-size: 12px;
    color: var(--slss-text-muted);
    margin-top: 16px;
    font-weight: 500;
}

.slss-scrollable {
    overflow-y: auto;
    max-height: 100%;
    width: 100%;
}

.slss-label {
    font-size: 12px;
    text-transform: uppercase;
    color: var(--slss-text-muted);
    letter-spacing: 1px;
    margin-bottom: 8px;
}

/* Self-Check Specifics */
.slss-textarea {
    width: 100%;
    padding: 16px;
    border: 1px solid var(--slss-border);
    border-radius: 8px;
    background: #f8fafc;
    font-family: 'DM Sans', sans-serif;
    font-size: 16px;
    min-height: 80px;
    margin-bottom: 16px;
}

.slss-answer-area {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px dashed var(--slss-border);
}

.slss-answer-box {
    background: var(--slss-primary-light);
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 16px;
}

.slss-body-text {
    line-height: 1.6;
    color: var(--slss-text-body);
}

.slss-feedback-prompt {
    text-align: center;
    font-weight: 500;
}

/* Quiz Specifics */
.slss-opt-btn {
    display: block;
    width: 100%;
    padding: 14px;
    background: #fff;
    border: 1px solid var(--slss-border);
    border-radius: 8px;
    margin-bottom: 10px;
    text-align: left;
    cursor: pointer;
    font-family: 'DM Sans', sans-serif;
    color: var(--slss-text-dark);
    transition: all 0.2s;
}

.slss-opt-btn:hover {
    background: var(--slss-primary-light);
    border-color: var(--slss-primary);
}

.slss-opt-btn.correct {
    background: #d1fae5;
    border-color: #059669;
    color: #065f46;
}

.slss-opt-btn.incorrect {
    background: #fee2e2;
    border-color: #dc2626;
    color: #991b1b;
}

.slss-alert {
    padding: 16px;
    border-radius: 8px;
    margin: 16px 0;
    font-size: 15px;
    line-height: 1.5;
}
.slss-alert.success { background: #d1fae5; color: #065f46; }
.slss-alert.error { background: #fee2e2; color: #991b1b; }

/* Buttons */
.slss-actions, .slss-actions-row {
    display: flex;
    gap: 12px;
    margin-top: 12px;
}

.slss-btn {
    flex: 1;
    padding: 14px;
    border: none;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    font-size: 16px;
    transition: opacity 0.2s;
}
.slss-btn:hover { opacity: 0.9; }

.slss-btn-primary { background: var(--slss-primary); color: white; }
.slss-btn-dark { background: var(--slss-text-dark); color: white; }
.slss-btn-accent { background: var(--slss-accent); color: white; }

/* Result */
.slss-result { text-align: center; }
.slss-score-circle {
    width: 120px;
    height: 120px;
    background: var(--slss-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-family: 'Fraunces', serif;
    font-weight: 700;
    margin: 0 auto 24px;
    box-shadow: 0 10px 20px rgba(0, 165, 207, 0.3);
}

.slss-muted { color: var(--slss-text-muted); font-size: 14px; }