/* ============================================
   POCKET 7's - Lessons/Academy Styles
   ============================================ */

/* ===== Academy Page ===== */
.academy-hero {
    padding: var(--space-16) 0;
    background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
    border-bottom: 1px solid var(--color-border);
}

.academy-hero-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

/* ===== Course Grid ===== */
.courses-section {
    padding: var(--space-16) 0;
}

.course-category {
    margin-bottom: var(--space-16);
}

.category-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
}

.category-title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-xl);
}

.category-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gold-muted);
    color: var(--color-gold);
    font-size: var(--text-lg);
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-6);
}

/* ===== Lesson Card ===== */
.lesson-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    cursor: pointer;
    transition: all var(--transition-base);
    overflow: hidden;
}

.lesson-card:hover {
    border-color: var(--color-gold);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.lesson-card-image {
    position: relative;
    height: 180px;
    background: var(--color-bg-tertiary);
    overflow: hidden;
}

.lesson-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.lesson-card-image .lesson-visual {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-bg-tertiary) 0%, var(--color-bg-elevated) 100%);
}

.lesson-visual-icon {
    font-size: 4rem;
    opacity: 0.3;
}

.lesson-difficulty {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
}

.lesson-progress-indicator {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-bg-primary);
}

.lesson-progress-indicator .progress-fill {
    height: 100%;
    background: var(--color-green);
}

.lesson-card-body {
    padding: var(--space-5);
}

.lesson-card-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-2);
    line-height: var(--leading-tight);
}

.lesson-card-desc {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-4);
}

.lesson-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.lesson-meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

/* ===== Lesson Modal Content ===== */
.lesson-content {
    max-width: 100%;
}

.lesson-section {
    margin-bottom: var(--space-8);
}

.lesson-section-title {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-2);
    border-bottom: 2px solid var(--color-gold);
}

.lesson-text {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-4);
}

.lesson-text strong {
    color: var(--color-text-primary);
}

/* Lesson Images/Diagrams */
.lesson-figure {
    margin: var(--space-6) 0;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
}

.lesson-figure img {
    width: 100%;
    display: block;
}

.lesson-figure-caption {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    border-top: 1px solid var(--color-border);
}

/* Lesson Examples */
.lesson-example {
    background: var(--color-bg-tertiary);
    border-left: 3px solid var(--color-gold);
    padding: var(--space-5);
    margin: var(--space-4) 0;
}

.lesson-example-title {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-gold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-3);
}

.lesson-example-content {
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
}

/* Lesson Formula */
.lesson-formula {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    padding: var(--space-4) var(--space-5);
    margin: var(--space-4) 0;
    text-align: center;
}

.lesson-formula code {
    font-family: var(--font-mono);
    font-size: var(--text-lg);
    color: var(--color-blue);
}

/* Lesson Key Points */
.lesson-key-points {
    background: var(--color-gold-muted);
    border: 1px solid var(--color-gold);
    padding: var(--space-5);
    margin: var(--space-6) 0;
}

.lesson-key-points-title {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-gold);
    margin-bottom: var(--space-3);
}

.lesson-key-points ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.lesson-key-points li {
    position: relative;
    padding-left: var(--space-5);
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
}

.lesson-key-points li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-gold);
    font-weight: bold;
}

/* Lesson Table */
.lesson-table-wrapper {
    overflow-x: auto;
    margin: var(--space-4) 0;
}

.lesson-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
}

.lesson-table th,
.lesson-table td {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border: 1px solid var(--color-border);
}

.lesson-table th {
    background: var(--color-bg-tertiary);
    font-weight: var(--font-semibold);
    color: var(--color-text-primary);
}

.lesson-table td {
    background: var(--color-bg-card);
}

.lesson-table tr:hover td {
    background: var(--color-bg-tertiary);
}

/* Hand Display in Lessons */
.lesson-hand-display {
    display: flex;
    gap: var(--space-4);
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
    background: var(--color-felt);
    border: 4px solid var(--color-felt-border);
    margin: var(--space-6) 0;
}

.lesson-hand-display .vs {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--color-text-muted);
}

.lesson-hand-group {
    text-align: center;
}

.lesson-hand-label {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-2);
}

.lesson-cards {
    display: flex;
    gap: var(--space-2);
}

/* Interactive Elements in Lessons */
.lesson-interactive {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: var(--space-6);
    margin: var(--space-6) 0;
}

.lesson-interactive-title {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-4);
}

.lesson-quiz {
    margin-top: var(--space-4);
}

.quiz-question {
    font-size: var(--text-base);
    margin-bottom: var(--space-4);
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.quiz-option {
    padding: var(--space-3) var(--space-4);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
    font-size: var(--text-sm);
}

.quiz-option:hover {
    border-color: var(--color-gold);
    background: var(--color-bg-elevated);
}

.quiz-option.correct {
    border-color: var(--color-green);
    background: rgba(16, 185, 129, 0.1);
}

.quiz-option.incorrect {
    border-color: var(--color-red);
    background: rgba(239, 68, 68, 0.1);
}

/* Progress Tracking */
.lesson-progress {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--color-bg-tertiary);
    margin-top: var(--space-6);
}

.lesson-progress-text {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.lesson-progress .progress-bar {
    flex: 1;
}

/* Locked Lesson Overlay */
.lesson-card.locked {
    opacity: 0.6;
    pointer-events: none;
}

.lesson-card.locked .lesson-card-image::after {
    content: '🔒';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    font-size: 2rem;
}

/* Completion Badge */
.lesson-complete-badge {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    width: 28px;
    height: 28px;
    background: var(--color-green);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--text-sm);
}

.lesson-complete-badge::after {
    content: '✓';
}

/* ===== Practice Examples ===== */
.practice-example {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.practice-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.practice-badge {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    padding: var(--space-1) var(--space-2);
    border-radius: 2px;
}

.practice-badge.beginner {
    background: var(--color-green);
    color: white;
}

.practice-badge.intermediate {
    background: var(--color-gold);
    color: var(--color-bg-primary);
}

.practice-badge.advanced {
    background: var(--color-red);
    color: white;
}

.practice-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
}

.practice-setup {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
    padding: var(--space-5);
    background: var(--color-felt);
    border: 4px solid var(--color-felt-border);
}

.practice-cards {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.cards-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.cards-label {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: var(--color-gold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.cards-display {
    display: flex;
    gap: var(--space-2);
}

.practice-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 56px;
    background: white;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    font-weight: var(--font-bold);
}

.practice-card .card-rank {
    font-size: var(--text-lg);
    color: var(--color-bg-primary);
    line-height: 1;
}

.practice-card .card-suit {
    font-size: var(--text-sm);
    line-height: 1;
}

.practice-card .card-suit.red,
.practice-card.hearts .card-suit,
.practice-card.diamonds .card-suit {
    color: #dc2626;
}

.practice-card.hearts .card-rank,
.practice-card.diamonds .card-rank {
    color: #dc2626;
}

.practice-card.clubs .card-suit,
.practice-card.spades .card-suit {
    color: #1a1a2e;
}

.practice-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    justify-content: center;
}

.info-row {
    display: flex;
    justify-content: space-between;
    font-size: var(--text-sm);
    padding: var(--space-2) var(--space-3);
    background: rgba(0, 0, 0, 0.2);
    border-radius: 2px;
}

.info-label {
    color: var(--color-text-muted);
}

.info-value {
    font-weight: var(--font-semibold);
    color: var(--color-text-primary);
    font-family: var(--font-mono);
}

.practice-question {
    padding: var(--space-4);
    background: var(--color-bg-tertiary);
    border-left: 3px solid var(--color-gold);
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
}

.practice-question p {
    margin: 0;
}

.practice-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.practice-option {
    padding: var(--space-4);
    background: var(--color-bg-card);
    border: 2px solid var(--color-border);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    text-align: left;
}

.practice-option:hover:not(:disabled) {
    border-color: var(--color-gold);
    background: var(--color-bg-tertiary);
    transform: translateX(4px);
}

.practice-option.correct {
    border-color: var(--color-green);
    background: rgba(16, 185, 129, 0.15);
}

.practice-option.correct::before {
    content: '✓ ';
    color: var(--color-green);
    font-weight: bold;
}

.practice-option.incorrect {
    border-color: var(--color-red);
    background: rgba(239, 68, 68, 0.15);
}

.practice-option.incorrect::before {
    content: '✗ ';
    color: var(--color-red);
    font-weight: bold;
}

.practice-option:disabled {
    cursor: default;
}

/* Practice Explanation */
.practice-explanation {
    padding: var(--space-5);
    border: 1px solid var(--color-border);
    background: var(--color-bg-card);
    margin-top: var(--space-2);
}

.practice-explanation.correct {
    border-color: var(--color-green);
    border-left: 4px solid var(--color-green);
}

.practice-explanation.incorrect {
    border-color: var(--color-red);
    border-left: 4px solid var(--color-red);
}

.explanation-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.explanation-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-lg);
    font-weight: bold;
}

.practice-explanation.correct .explanation-icon {
    background: var(--color-green);
    color: white;
}

.practice-explanation.incorrect .explanation-icon {
    background: var(--color-red);
    color: white;
}

.explanation-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
}

.practice-explanation.correct .explanation-title {
    color: var(--color-green);
}

.practice-explanation.incorrect .explanation-title {
    color: var(--color-red);
}

.explanation-content {
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
}

.explanation-content p {
    margin-bottom: var(--space-3);
}

.explanation-content strong {
    color: var(--color-text-primary);
}

/* Math Details Box */
.math-details {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    padding: var(--space-4);
}

.math-details-title {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-gold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-3);
}

.math-detail-row {
    display: flex;
    justify-content: space-between;
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--color-border);
    font-size: var(--text-sm);
}

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

.math-label {
    color: var(--color-text-muted);
}

.math-value {
    font-family: var(--font-mono);
    font-weight: var(--font-medium);
    color: var(--color-text-primary);
}

/* Responsive Practice */
@media (max-width: 640px) {
    .practice-setup {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .practice-card {
        width: 36px;
        height: 50px;
    }

    .practice-card .card-rank {
        font-size: var(--text-base);
    }

    .practice-card .card-suit {
        font-size: var(--text-xs);
    }
}