/* ============================================
   EDUCATION COURSE PAGE STYLES
   Matches JK Crypto Strategies Dashboard Theme
   ============================================ */

/* ============================================
   COURSE PAGE LAYOUT
   ============================================ */
.course-page {
    max-width: 900px;
    margin: 0 auto;
}

.course-page .course-header {
    margin-bottom: 32px;
}

.course-page .course-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}

.course-page .course-tier-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 16px;
}

.course-page .course-tier-badge.beginner {
    background: var(--success-bg);
    color: var(--success);
}

.course-page .course-tier-badge.intermediate {
    background: rgba(59, 130, 246, 0.15);
    color: #60A5FA;
}

.course-page .course-tier-badge.expert {
    background: rgba(168, 85, 247, 0.15);
    color: #C084FC;
}

.course-page .course-description {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 8px;
}

/* ============================================
   COURSE META INFO
   ============================================ */
.course-page .course-meta-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-dark);
    border-radius: 12px;
    margin-bottom: 32px;
}

.course-page .meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.course-page .meta-item svg {
    width: 18px;
    height: 18px;
    color: var(--bitcoin-orange);
    flex-shrink: 0;
}

.course-page .meta-item strong {
    color: var(--white);
    font-weight: 600;
}

.course-page .meta-item .price-free {
    color: var(--success);
    font-weight: 700;
}

.course-page .meta-item .price-paid {
    color: var(--bitcoin-orange);
    font-weight: 700;
}

.course-page .course-price-sub {
    display: flex;
    flex-direction: row;
    align-items: baseline;
    gap: 6px;
}

.course-page .price-amount {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--bitcoin-orange, #F7931A);
}

.course-page .price-note {
    font-size: 0.75rem;
    color: var(--text-muted, rgba(255,255,255,0.5));
}

/* ============================================
   COURSE TOPICS / WHAT YOU'LL LEARN
   ============================================ */
.course-page .course-topics-section {
    margin-bottom: 32px;
}

.course-page .course-topics-section h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.course-page .topics-grid {
    display: grid;
    gap: 12px;
}

.course-page .topic-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-dark);
    border-radius: 10px;
    transition: border-color 0.2s ease;
}

.course-page .topic-item:hover {
    border-color: var(--border-light);
}

.course-page .topic-item .topic-icon {
    width: 20px;
    height: 20px;
    color: var(--success);
    flex-shrink: 0;
    margin-top: 1px;
}

.course-page .topic-item span {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.5;
}

/* ============================================
   LESSON LIST (Placeholder)
   ============================================ */
.course-page .lessons-section {
    margin-bottom: 32px;
}

.course-page .lessons-section h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.course-page .lesson-list {
    display: grid;
    gap: 8px;
}

.course-page .lesson-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-dark);
    border-radius: 10px;
    cursor: default;
    transition: all 0.2s ease;
}

.course-page .lesson-item:hover {
    border-color: var(--border-light);
    background: var(--bg-card-hover);
}

.course-page .lesson-number {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(247, 147, 26, 0.12);
    color: var(--bitcoin-orange);
    border-radius: 8px;
    font-size: 0.8125rem;
    font-weight: 700;
    flex-shrink: 0;
}

.course-page .lesson-info {
    flex: 1;
    min-width: 0;
}

.course-page .lesson-title {
    color: var(--white);
    font-size: 0.9375rem;
    font-weight: 600;
    display: block;
}

.course-page .lesson-duration {
    display: block;
    font-size: 0.75rem;
    color: var(--text-disabled);
    margin-top: 2px;
}

.course-page .lesson-clickable:hover {
    border-color: var(--bitcoin-orange);
    background: rgba(247, 147, 26, 0.05);
}

.course-page .lesson-clickable:hover .lesson-title {
    color: var(--bitcoin-orange);
}

.course-page .lesson-status {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 12px;
    flex-shrink: 0;
}

.course-page .lesson-status.available {
    background: var(--success-bg);
    color: var(--success);
}

.course-page .lesson-status.locked {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-muted);
}

.course-page .lesson-status.coming-soon {
    background: rgba(247, 147, 26, 0.12);
    color: var(--bitcoin-orange);
}

.course-page .lesson-status.completed {
    background: rgba(247, 147, 26, 0.12);
    color: var(--bitcoin-orange);
}

.course-page .lesson-item.lesson-completed .lesson-number {
    background: rgba(247, 147, 26, 0.15);
    color: var(--bitcoin-orange);
}

/* ============================================
   MODULE GROUPS
   ============================================ */
.course-page .module-group {
    margin-bottom: 24px;
}

.course-page .module-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    margin-bottom: 8px;
    background: linear-gradient(135deg, rgba(247, 147, 26, 0.08), rgba(247, 147, 26, 0.03));
    border: 1px solid rgba(247, 147, 26, 0.15);
    border-radius: 10px;
}

.course-page .module-number {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--bitcoin-orange);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.course-page .module-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--white);
    flex: 1;
}

.course-page .module-lesson-count {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
}

/* ============================================
   COURSE CTA
   ============================================ */
.course-page .course-cta-section {
    padding: 24px;
    background: linear-gradient(135deg, rgba(247, 147, 26, 0.08), rgba(247, 147, 26, 0.03));
    border: 1px solid rgba(247, 147, 26, 0.2);
    border-radius: 12px;
    text-align: center;
}

.course-page .course-cta-section p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: 16px;
}

.course-page .course-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bitcoin-orange);
    color: var(--white);
    font-weight: 600;
    font-size: 0.9375rem;
    padding: 12px 28px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.course-page .course-cta-btn:hover {
    background: var(--bitcoin-orange-light);
    transform: translateY(-1px);
}

.course-page .course-cta-btn svg {
    width: 18px;
    height: 18px;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .course-page .course-header h2 {
        font-size: 1.375rem;
    }

    .course-page .course-meta-bar {
        gap: 16px;
        padding: 14px 16px;
    }

    .course-page .meta-item {
        font-size: 0.8125rem;
    }
}

/* ============================================
   SUBSCRIPTION GATING STYLES
   Applied to paid courses when user has no subscription
   ============================================ */

/* Locked lessons section — gradient fade overlay */
.course-page .lessons-section.lessons-locked {
    position: relative;
}

.course-page .lessons-section.lessons-locked::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(10, 14, 23, 0.75) 100%);
    pointer-events: none;
    border-radius: 10px;
    z-index: 1;
}

/* Gated lesson items — muted and non-interactive */
.course-page .lesson-item.lesson-gated {
    opacity: 0.5;
    pointer-events: none;
    cursor: default;
    user-select: none;
}

.course-page .lesson-item.lesson-gated:hover {
    border-color: var(--border-dark);
    background: var(--bg-card);
}

.course-page .lesson-item.lesson-gated .lesson-number {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-muted);
}

.course-page .lesson-item.lesson-gated .lesson-title {
    color: var(--text-muted);
}

/* ============================================
   UPGRADE CTA BANNER
   Shown between "What You'll Learn" and locked lessons
   ============================================ */
.edu-upgrade-cta {
    margin-bottom: 32px;
    padding: 2px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--bitcoin-orange), rgba(232, 133, 15, 0.6), rgba(247, 147, 26, 0.3));
}

.edu-upgrade-cta-inner {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 32px 28px;
    text-align: center;
}

.edu-upgrade-cta-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    background: rgba(247, 147, 26, 0.12);
    border-radius: 14px;
    margin-bottom: 16px;
}

.edu-upgrade-cta-icon svg {
    width: 26px;
    height: 26px;
    color: var(--bitcoin-orange);
}

.edu-upgrade-cta h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}

.edu-upgrade-cta p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: 20px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

.edu-upgrade-cta-plans {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.edu-plan-option {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.edu-plan-divider {
    color: var(--text-disabled);
    font-size: 0.75rem;
}

.edu-plan-save {
    font-size: 0.6875rem;
    font-weight: 700;
    color: var(--success);
    background: var(--success-bg);
    padding: 1px 6px;
    border-radius: 8px;
    margin-left: 4px;
}

.edu-upgrade-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bitcoin-orange);
    color: var(--white);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9375rem;
    padding: 12px 28px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.edu-upgrade-btn:hover {
    background: var(--bitcoin-orange-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow-orange);
}

.edu-upgrade-btn svg {
    width: 18px;
    height: 18px;
}

/* ============================================
   RESPONSIVE — GATING STYLES
   ============================================ */
@media (max-width: 768px) {
    .edu-upgrade-cta-inner {
        padding: 24px 20px;
    }

    .edu-upgrade-cta h3 {
        font-size: 1.125rem;
    }

    .edu-upgrade-cta p {
        font-size: 0.875rem;
    }

    .edu-upgrade-cta-plans {
        gap: 8px;
    }

    .edu-plan-option {
        font-size: 0.8125rem;
    }
}

/* ============================================
   TIER-SPECIFIC COLOR CODING
   Uses data-tier attribute on .course-page
   Beginner = green, Intermediate = blue, Expert = purple
   ============================================ */

/* --- Module Number Colors --- */
.course-page[data-tier="beginner"] .module-number {
    color: #4ade80;
}

.course-page[data-tier="intermediate"] .module-number {
    color: #60a5fa;
}

.course-page[data-tier="expert"] .module-number {
    color: #C084FC;
}

/* --- Module Header Background/Border --- */
.course-page[data-tier="beginner"] .module-header {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.08), rgba(34, 197, 94, 0.03));
    border: 1px solid rgba(34, 197, 94, 0.15);
}

.course-page[data-tier="intermediate"] .module-header {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(59, 130, 246, 0.03));
    border: 1px solid rgba(59, 130, 246, 0.15);
}

.course-page[data-tier="expert"] .module-header {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.08), rgba(168, 85, 247, 0.03));
    border: 1px solid rgba(168, 85, 247, 0.15);
}

/* --- Lesson Status "Available" Badge Colors --- */
.course-page[data-tier="beginner"] .lesson-status.available {
    background: rgba(34, 197, 94, 0.15);
    color: #4ade80;
}

.course-page[data-tier="intermediate"] .lesson-status.available {
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
}

.course-page[data-tier="expert"] .lesson-status.available {
    background: rgba(168, 85, 247, 0.15);
    color: #C084FC;
}

/* --- "What You'll Learn" Checkmark Icon Colors --- */
.course-page[data-tier="beginner"] .topic-icon {
    color: #4ade80;
}

.course-page[data-tier="intermediate"] .topic-icon {
    color: #60a5fa;
}

.course-page[data-tier="expert"] .topic-icon {
    color: #C084FC;
}

/* --- Lesson Number Badge Accent Colors --- */
.course-page[data-tier="beginner"] .lesson-number {
    background: rgba(34, 197, 94, 0.12);
    color: #4ade80;
}

.course-page[data-tier="intermediate"] .lesson-number {
    background: rgba(59, 130, 246, 0.12);
    color: #60a5fa;
}

.course-page[data-tier="expert"] .lesson-number {
    background: rgba(168, 85, 247, 0.12);
    color: #C084FC;
}

/* Completed lesson number uses Bitcoin Orange for brand-consistent completion indicator */
.course-page .lesson-item.lesson-completed .lesson-number {
    background: rgba(247, 147, 26, 0.15);
    color: var(--bitcoin-orange);
}

/* ============================================
   MEMBERS HUB INVITE BANNER
   Shown on Courses 2-5 for active subscribers
   ============================================ */
.hub-invite-banner {
    background: linear-gradient(135deg, rgba(247, 147, 26, 0.12) 0%, rgba(247, 147, 26, 0.04) 100%);
    border: 1px solid rgba(247, 147, 26, 0.35);
    border-radius: 12px;
    padding: 20px 24px;
    margin-bottom: 28px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.hub-invite-banner .hub-invite-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: rgba(247, 147, 26, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hub-invite-banner .hub-invite-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--bitcoin-orange);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.hub-invite-banner .hub-invite-content {
    flex: 1;
}

.hub-invite-banner .hub-invite-content h4 {
    color: var(--bitcoin-orange);
    font-size: 1rem;
    font-weight: 700;
    margin: 0 0 4px 0;
}

.hub-invite-banner .hub-invite-content p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin: 0;
    line-height: 1.4;
}

.hub-invite-btn {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--bitcoin-orange);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s, transform 0.15s;
}

.hub-invite-btn:hover {
    background: #e8870d;
    transform: translateY(-1px);
}

.hub-invite-btn svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
}

@media (max-width: 600px) {
    .hub-invite-banner {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }
    .hub-invite-btn {
        width: 100%;
        justify-content: center;
    }
}