/* =========================================
   PÁGINA DE AULAS
   ========================================= */

.page-content {
    padding-top: 2rem;
    padding-bottom: 4rem;
    min-height: 80vh;
}

/* --- HERO SECTION --- */
.page-hero {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem 0;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: var(--cor-secundaria);
    
    /* Gradiente */
    background: linear-gradient(135deg, var(--cor-secundaria) 0%, var(--cor-primaria) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--cor-texto-mutado);
    max-width: 600px;
    margin: 0 auto;
}

/* Dark Mode Hero */
body.dark-mode .hero-title {
    background: linear-gradient(135deg, #ffffff 0%, #a0a0a0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    color: white;
}
body.dark-mode .hero-subtitle {
    color: var(--cor-texto-mutado-dark);
}

/* CTA Banner Instrutor */
.publish-video-cta {
    background-color: var(--fundo-claro-card);
    border-radius: 12px;
    padding: 1.5rem 2rem;
    margin-bottom: 3rem;
    
    /* Layout Horizontal */
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    
    /* Estilos Visuais */
    box-shadow: var(--sombra-padrao);
    border: 1px solid var(--border-color, #e5e7eb);
    border-left: 5px solid var(--cor-primaria);
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.publish-video-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

/* Conteúdo Esquerdo (Ícone + Texto) */
.cta-content {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.cta-icon-wrapper {
    width: 60px;
    height: 60px;
    background: rgba(198, 40, 40, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.cta-icon-wrapper i {
    font-size: 1.8rem;
    color: var(--cor-primaria);
}

.cta-text-wrapper h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--cor-secundaria);
    margin-bottom: 0.25rem;
}

.cta-text-wrapper p {
    font-size: 0.95rem;
    color: var(--cor-texto-mutado);
    margin: 0;
}

/* Botão de Ação */
.btn-publish-new {
    background: linear-gradient(135deg, var(--cor-primaria) 0%, #a31f1f 100%);
    color: white;
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(198, 40, 40, 0.3);
}

.btn-publish-new:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(198, 40, 40, 0.5);
    background: linear-gradient(135deg, #a31f1f 0%, var(--cor-primaria) 100%);
}

/* --- DARK MODE PARA O BANNER --- */
body.dark-mode .publish-video-cta {
    background-color: rgba(30, 30, 30, 0.6); /* Glassmorphism */
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-left: 5px solid var(--cor-primaria);
    backdrop-filter: blur(10px);
}

body.dark-mode .cta-icon-wrapper {
    background: rgba(198, 40, 40, 0.2);
}

body.dark-mode .cta-text-wrapper h3 {
    color: var(--cor-texto-dark);
}

body.dark-mode .cta-text-wrapper p {
    color: var(--cor-texto-mutado-dark);
}

/* --- RESPONSIVIDADE DO BANNER --- */
@media (max-width: 768px) {
    .publish-video-cta {
        flex-direction: column;
        text-align: center;
        padding: 2rem;
        border-left: 1px solid var(--border-color); 
        border-top: 5px solid var(--cor-primaria);
    }

    .cta-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .cta-action-wrapper {
        width: 100%;
        display: flex;
        justify-content: center;
        margin-top: 1rem;
    }
}

/* --- FILTROS E PESQUISA --- */
.courses-filters {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 25px;
}

.search-bar {
    position: relative;
    flex: 1;
    min-width: 280px;
    max-width: 800px;
}

.search-bar i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--cor-texto-mutado);
}

.search-bar input {
    width: 100%;
    padding: 12px 15px 12px 45px;
    border-radius: 30px;
    border: var(--borda-padrao);
    background-color: var(--fundo-claro-card);
    color: var(--cor-texto);
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: var(--sombra-padrao);
}

.search-bar input:focus {
    outline: none;
    border-color: var(--cor-primaria);
    box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.15);
}

/* Botões de Filtro */
.filter-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 20px;
    border: var(--borda-padrao);
    background-color: var(--fundo-claro-card);
    color: var(--cor-texto-mutado);
    border-radius: 20px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    background-color: var(--fundo-claro-hover);
    color: var(--cor-texto);
}

.filter-btn.active {
    background-color: var(--cor-primaria);
    color: #fff !important;
    border-color: var(--cor-primaria);
}

/* Dark Mode Filtros */
body.dark-mode .search-bar input,
body.dark-mode .filter-btn {
    background-color: var(--fundo-escuro-card);
    border: var(--borda-padrao-dark);
    color: var(--cor-texto-dark);
    box-shadow: none;
}
body.dark-mode .filter-btn:hover {
    background-color: var(--fundo-escuro-hover);
}

/* Filtro de Nível */
.level-filters {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: var(--borda-padrao);
}
body.dark-mode .level-filters {
    border-bottom: var(--borda-padrao-dark);
}
.level-filters strong {
    color: var(--cor-texto);
    font-weight: 600;
}
body.dark-mode .level-filters strong {
    color: var(--cor-texto-dark);
}

/* --- GRID DE CURSOS --- */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 60px;
}

.course-card {
    background-color: var(--fundo-claro-card);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid transparent;
    box-shadow: var(--sombra-padrao);
    transition: all 0.4s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.course-card a {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    border-color: rgba(198, 40, 40, 0.3);
}

.course-image {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.course-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.course-card:hover .course-image img {
    transform: scale(1.05);
}

.course-content {
    padding: 25px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.course-tag {
    display: inline-block;
    background-color: rgba(198, 40, 40, 0.08);
    color: var(--cor-primaria);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 12px;
    align-self: flex-start;
}

.course-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin: 0 0 10px 0;
    color: var(--cor-texto);
    line-height: 1.3;
}

.course-excerpt {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--cor-texto-mutado);
    margin-bottom: 20px;
    flex-grow: 1;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: var(--borda-padrao);
    font-size: 0.85rem;
    color: var(--cor-texto-mutado);
    font-weight: 600;
    margin-top: auto;
}

.course-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.course-meta i {
    color: var(--cor-primaria);
    font-size: 1rem;
}

.course-meta .price {
    color: var(--cor-secundaria);
    font-size: 1rem;
    font-weight: 800;
}

/* --- DARK MODE (CARDS) --- */
body.dark-mode .course-card {
    background-color: rgba(30, 30, 30, 0.6); /* Glassmorphism */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: none;
}
body.dark-mode .course-card:hover {
    background-color: rgba(40, 40, 40, 0.8);
    border-color: var(--cor-primaria);
    box-shadow: 0 0 15px rgba(198, 40, 40, 0.2);
}

body.dark-mode .course-title {
    color: var(--cor-texto-dark);
}

body.dark-mode .course-excerpt,
body.dark-mode .course-meta {
    color: var(--cor-texto-mutado-dark);
}

body.dark-mode .course-meta {
    border-top: var(--borda-padrao-dark);
}

body.dark-mode .course-meta .price {
    color: #90caf9;
}