/**
 * Guitar Master Academy - Estilos das Lições
 * Arquivo: lesson.css
 */

/* PÁGINA DE LIÇÃO */
.gma-lesson-page {
    background: var(--gma-bg-secondary);
    min-height: 100vh;
    padding: var(--gma-space-xl) 0;
}

.gma-container--wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--gma-space-lg);
}

/* Breadcrumb */
.gma-breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--gma-space-sm);
    margin-bottom: var(--gma-space-lg);
    font-size: var(--gma-font-size-sm);
    color: var(--gma-text-secondary);
}

.gma-breadcrumb a {
    color: var(--gma-text-secondary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: color 0.2s;
}

.gma-breadcrumb a:hover { color: var(--gma-primary); }

.gma-breadcrumb .dashicons {
    font-size: 16px !important;
    width: 16px !important;
    height: 16px !important;
}

/* Header da Lição */
.gma-lesson-header {
    background: var(--gma-bg-primary);
    border-radius: var(--gma-radius-xl);
    padding: var(--gma-space-2xl);
    margin-bottom: var(--gma-space-xl);
    box-shadow: var(--gma-shadow-sm);
}

.gma-lesson-meta-top {
    display: flex;
    align-items: center;
    gap: var(--gma-space-md);
    margin-bottom: var(--gma-space-md);
    flex-wrap: wrap;
}

.gma-lesson-module {
    background: var(--gma-primary-bg);
    color: var(--gma-primary);
    padding: 6px 14px;
    border-radius: var(--gma-radius-full);
    font-size: var(--gma-font-size-sm);
    font-weight: 600;
}

.gma-lesson-difficulty {
    padding: 6px 14px;
    border-radius: var(--gma-radius-full);
    font-size: var(--gma-font-size-sm);
    font-weight: 600;
}

.gma-difficulty-iniciante { background: var(--gma-success-bg); color: var(--gma-success); }
.gma-difficulty-intermediario { background: var(--gma-warning-bg); color: var(--gma-warning); }
.gma-difficulty-avancado { background: var(--gma-error-bg); color: var(--gma-error); }

.gma-lesson-completed-badge {
    background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
    color: white;
    padding: 6px 14px;
    border-radius: var(--gma-radius-full);
    font-size: var(--gma-font-size-sm);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
}

.gma-lesson-title {
    font-family: var(--gma-font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--gma-text-primary);
    margin: 0 0 var(--gma-space-md) 0;
    line-height: 1.2;
}

.gma-lesson-info {
    display: flex;
    align-items: center;
    gap: var(--gma-space-lg);
    flex-wrap: wrap;
}

.gma-info-item {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--gma-text-secondary);
}

.gma-info-item .dashicons {
    font-size: 18px !important;
    width: 18px !important;
    height: 18px !important;
    color: var(--gma-secondary);
}

/* Layout */
.gma-lesson-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--gma-space-xl);
    align-items: start;
}

@media (max-width: 1024px) {
    .gma-lesson-layout { grid-template-columns: 1fr; }
    .gma-lesson-sidebar { order: -1; }
}

.gma-lesson-main {
    display: flex;
    flex-direction: column;
    gap: var(--gma-space-xl);
}

/* Seções */
.gma-lesson-section {
    background: var(--gma-bg-primary);
    border-radius: var(--gma-radius-xl);
    padding: var(--gma-space-xl);
    box-shadow: var(--gma-shadow-sm);
}

.gma-section-title {
    display: flex;
    align-items: center;
    gap: var(--gma-space-sm);
    font-family: var(--gma-font-heading);
    font-size: var(--gma-font-size-xl);
    font-weight: 700;
    color: var(--gma-text-primary);
    margin: 0 0 var(--gma-space-lg) 0;
    padding-bottom: var(--gma-space-md);
    border-bottom: 2px solid var(--gma-border-color);
}

.gma-section-title .dashicons {
    font-size: 24px !important;
    width: 24px !important;
    height: 24px !important;
    color: var(--gma-primary);
}

/* VIDEO PLAYER */
.gma-video-section { padding: 0; overflow: hidden; }

.gma-video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    background: #000;
    border-radius: var(--gma-radius-xl);
}

.gma-video-wrapper iframe,
.gma-video-wrapper video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* CONTEÚDO */
.gma-lesson-content {
    font-size: var(--gma-font-size-lg);
    line-height: 1.8;
    color: var(--gma-text-primary);
}

.gma-lesson-content h2, .gma-lesson-content h3, .gma-lesson-content h4 {
    font-family: var(--gma-font-heading);
    margin-top: var(--gma-space-xl);
    margin-bottom: var(--gma-space-md);
}

.gma-lesson-content p { margin-bottom: var(--gma-space-md); }
.gma-lesson-content ul, .gma-lesson-content ol { margin: var(--gma-space-md) 0; padding-left: var(--gma-space-xl); }
.gma-lesson-content li { margin-bottom: var(--gma-space-sm); }
.gma-lesson-content img { max-width: 100%; border-radius: var(--gma-radius-lg); margin: var(--gma-space-lg) 0; }

.gma-lesson-content blockquote {
    border-left: 4px solid var(--gma-primary);
    padding-left: var(--gma-space-lg);
    margin: var(--gma-space-lg) 0;
    font-style: italic;
    color: var(--gma-text-secondary);
}

/* AUDIO PLAYER */
.gma-audio-player {
    background: var(--gma-bg-dark);
    border-radius: var(--gma-radius-lg);
    padding: var(--gma-space-lg);
}

.gma-audio-controls {
    display: flex;
    align-items: center;
    gap: var(--gma-space-md);
}

.gma-audio-play {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    background: var(--gma-primary-gradient);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s;
    flex-shrink: 0;
}

.gma-audio-play:hover { transform: scale(1.05); }
.gma-audio-play .dashicons { font-size: 24px !important; width: 24px !important; height: 24px !important; }
.gma-audio-play.playing .dashicons::before { content: "\f522"; }

.gma-audio-progress-wrap { flex: 1; }

.gma-audio-progress {
    height: 8px;
    background: rgba(255,255,255,0.2);
    border-radius: 4px;
    cursor: pointer;
    overflow: hidden;
}

.gma-audio-progress-fill {
    height: 100%;
    background: var(--gma-secondary-gradient);
    border-radius: 4px;
    width: 0%;
    transition: width 0.1s linear;
}

.gma-audio-time {
    display: flex;
    justify-content: space-between;
    margin-top: var(--gma-space-xs);
    font-size: var(--gma-font-size-xs);
    color: rgba(255,255,255,0.6);
    font-family: var(--gma-font-mono);
}

.gma-audio-volume {
    display: flex;
    align-items: center;
    gap: var(--gma-space-sm);
    color: rgba(255,255,255,0.8);
}

.gma-audio-volume input[type="range"] {
    width: 80px;
    height: 4px;
    -webkit-appearance: none;
    background: rgba(255,255,255,0.3);
    border-radius: 2px;
}

.gma-audio-volume input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: white;
    cursor: pointer;
}

/* TABLATURA */
.gma-tablature {
    background: var(--gma-bg-secondary);
    border-radius: var(--gma-radius-lg);
    padding: var(--gma-space-lg);
    overflow-x: auto;
}

.gma-tablature pre {
    margin: 0;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.4;
    white-space: pre;
}

/* COMPLETE CARD */
.gma-complete-card {
    display: flex;
    align-items: center;
    gap: var(--gma-space-lg);
    padding: var(--gma-space-lg);
    background: linear-gradient(135deg, rgba(26, 54, 93, 0.05) 0%, rgba(237, 137, 54, 0.05) 100%);
    border: 2px dashed var(--gma-border-color);
    border-radius: var(--gma-radius-xl);
}

.gma-complete-card h3 { margin: 0 0 4px 0; font-family: var(--gma-font-heading); font-size: var(--gma-font-size-lg); }
.gma-complete-card p { margin: 0; color: var(--gma-text-secondary); }
.gma-complete-info { flex: 1; }
.gma-complete-btn { display: flex; align-items: center; gap: var(--gma-space-sm); white-space: nowrap; }

.gma-complete-card--done {
    background: linear-gradient(135deg, rgba(72, 187, 120, 0.1) 0%, rgba(56, 161, 105, 0.1) 100%);
    border: 2px solid var(--gma-success);
}

.gma-complete-card--done > .dashicons {
    font-size: 48px !important;
    width: 48px !important;
    height: 48px !important;
    color: var(--gma-success);
}

/* NAVEGAÇÃO */
.gma-lesson-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gma-space-md);
    margin-top: var(--gma-space-lg);
}

.gma-lesson-nav-item {
    display: flex;
    align-items: center;
    gap: var(--gma-space-md);
    padding: var(--gma-space-lg);
    background: var(--gma-bg-primary);
    border-radius: var(--gma-radius-lg);
    text-decoration: none;
    border: 2px solid var(--gma-border-color);
    transition: all 0.2s;
}

.gma-lesson-nav-item:hover {
    border-color: var(--gma-primary);
    transform: translateY(-2px);
}

.gma-lesson-nav-item .dashicons {
    font-size: 24px !important;
    width: 24px !important;
    height: 24px !important;
    color: var(--gma-primary);
}

.gma-lesson-nav-next { justify-content: flex-end; text-align: right; }
.gma-nav-label { display: block; font-size: var(--gma-font-size-xs); color: var(--gma-text-muted); text-transform: uppercase; }
.gma-nav-title { display: block; font-weight: 600; color: var(--gma-text-primary); }

/* SIDEBAR */
.gma-lesson-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--gma-space-lg);
    position: sticky;
    top: var(--gma-space-xl);
}

.gma-sidebar-card {
    background: var(--gma-bg-primary);
    border-radius: var(--gma-radius-xl);
    padding: var(--gma-space-lg);
    box-shadow: var(--gma-shadow-sm);
}

.gma-sidebar-title {
    font-family: var(--gma-font-heading);
    font-size: var(--gma-font-size-lg);
    font-weight: 700;
    margin: 0 0 var(--gma-space-md) 0;
    padding-bottom: var(--gma-space-sm);
    border-bottom: 2px solid var(--gma-border-color);
}

.gma-sidebar-tools { display: flex; flex-direction: column; gap: var(--gma-space-sm); }

.gma-sidebar-tool {
    display: flex;
    align-items: center;
    gap: var(--gma-space-sm);
    padding: var(--gma-space-md);
    background: var(--gma-bg-secondary);
    border-radius: var(--gma-radius-md);
    text-decoration: none;
    color: var(--gma-text-primary);
    font-weight: 500;
    transition: all 0.2s;
}

.gma-sidebar-tool:hover { background: var(--gma-primary); color: white; transform: translateX(4px); }

.gma-resources-list, .gma-related-lessons { list-style: none; margin: 0; padding: 0; }
.gma-resources-list li, .gma-related-lessons li { margin-bottom: var(--gma-space-sm); }

.gma-resources-list a, .gma-related-lessons a {
    display: flex;
    align-items: center;
    gap: var(--gma-space-sm);
    padding: var(--gma-space-sm);
    border-radius: var(--gma-radius-md);
    text-decoration: none;
    color: var(--gma-text-secondary);
    transition: all 0.2s;
}

.gma-resources-list a:hover { background: var(--gma-success-bg); color: var(--gma-success); }
.gma-related-lessons a:hover { background: var(--gma-bg-secondary); color: var(--gma-primary); }

/* ARCHIVE */
.gma-lessons-archive { padding: var(--gma-space-xl) 0; background: var(--gma-bg-secondary); min-height: 100vh; }
.gma-archive-header { text-align: center; margin-bottom: var(--gma-space-2xl); }
.gma-archive-title { font-family: var(--gma-font-heading); font-size: 2.5rem; font-weight: 800; margin: 0 0 var(--gma-space-md) 0; }
.gma-archive-subtitle { font-size: var(--gma-font-size-lg); color: var(--gma-text-secondary); margin: 0; }

.gma-lessons-filters {
    display: flex;
    justify-content: center;
    gap: var(--gma-space-sm);
    margin-bottom: var(--gma-space-xl);
    flex-wrap: wrap;
}

.gma-filter-btn {
    padding: 10px 20px;
    border: 2px solid var(--gma-border-color);
    border-radius: var(--gma-radius-full);
    background: var(--gma-bg-primary);
    color: var(--gma-text-primary);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.gma-filter-btn:hover, .gma-filter-btn.active {
    background: var(--gma-primary);
    border-color: var(--gma-primary);
    color: white;
}

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

/* LESSON CARD */
.gma-lesson-card {
    background: var(--gma-bg-primary);
    border-radius: var(--gma-radius-xl);
    overflow: hidden;
    box-shadow: var(--gma-shadow-sm);
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    text-decoration: none;
}

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

.gma-lesson-card-thumb {
    position: relative;
    padding-bottom: 56.25%;
    background: linear-gradient(135deg, var(--gma-primary) 0%, #2d3748 100%);
    overflow: hidden;
}

.gma-lesson-card-thumb img {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.gma-lesson-card:hover .gma-lesson-card-thumb img { transform: scale(1.05); }

.gma-play-overlay {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 60px; height: 60px;
    background: rgba(255,255,255,0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.gma-lesson-card:hover .gma-play-overlay { opacity: 1; }
.gma-play-overlay .dashicons { font-size: 28px !important; color: var(--gma-primary); margin-left: 4px; }

.gma-lesson-card-badge {
    position: absolute;
    top: var(--gma-space-md); right: var(--gma-space-md);
    background: var(--gma-success);
    color: white;
    width: 32px; height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gma-lesson-card-body { padding: var(--gma-space-lg); flex: 1; display: flex; flex-direction: column; }
.gma-lesson-card-module { font-size: var(--gma-font-size-xs); color: var(--gma-primary); font-weight: 600; text-transform: uppercase; }
.gma-lesson-card-title { font-family: var(--gma-font-heading); font-size: var(--gma-font-size-lg); font-weight: 700; margin: var(--gma-space-sm) 0; line-height: 1.3; color: var(--gma-text-primary); }
.gma-lesson-card-excerpt { font-size: var(--gma-font-size-sm); color: var(--gma-text-secondary); flex: 1; line-height: 1.6; margin: 0 0 var(--gma-space-md) 0; }

.gma-lesson-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--gma-space-md);
    border-top: 1px solid var(--gma-border-color);
}

.gma-lesson-card-info { display: flex; gap: var(--gma-space-md); font-size: var(--gma-font-size-sm); color: var(--gma-text-muted); }
.gma-lesson-card-info span { display: flex; align-items: center; gap: 4px; }

/* XP POPUP */
.gma-xp-popup {
    position: fixed;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%) scale(0);
    background: var(--gma-primary-gradient);
    color: white;
    padding: var(--gma-space-xl) var(--gma-space-2xl);
    border-radius: var(--gma-radius-xl);
    text-align: center;
    z-index: 10000;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    animation: xpPopup 2s ease-out forwards;
}

.gma-xp-popup h3 { font-size: 2rem; margin: 0 0 var(--gma-space-sm) 0; }
.gma-xp-popup p { font-size: var(--gma-font-size-lg); margin: 0; opacity: 0.9; }

@keyframes xpPopup {
    0% { transform: translate(-50%, -50%) scale(0); opacity: 0; }
    20% { transform: translate(-50%, -50%) scale(1.1); opacity: 1; }
    30% { transform: translate(-50%, -50%) scale(1); }
    80% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
    100% { transform: translate(-50%, -50%) scale(0.8); opacity: 0; }
}

/* EMPTY STATE */
.gma-empty-state {
    text-align: center;
    padding: var(--gma-space-3xl);
    background: var(--gma-bg-primary);
    border-radius: var(--gma-radius-xl);
}

.gma-empty-state .dashicons { font-size: 64px !important; width: 64px !important; height: 64px !important; color: var(--gma-text-muted); margin-bottom: var(--gma-space-lg); }
.gma-empty-state h3 { font-size: var(--gma-font-size-xl); margin: 0 0 var(--gma-space-sm) 0; }
.gma-empty-state p { color: var(--gma-text-secondary); margin: 0; }

@media (max-width: 768px) {
    .gma-lesson-title { font-size: 1.75rem; }
    .gma-lesson-header, .gma-lesson-section { padding: var(--gma-space-lg); }
    .gma-archive-title { font-size: 2rem; }
    .gma-lessons-grid { grid-template-columns: 1fr; }
    .gma-lesson-nav { grid-template-columns: 1fr; }
    .gma-complete-card { flex-direction: column; text-align: center; }
}