/* Estilos Globais - DevSolutions EAD */
:root {
    --primary: #673AB7;
    --primary-light: #7E57C2;
    --secondary: #4FC3F7;
    --bg-light: #E9F6FC;
    --dark: #2C3E50;
    --light: #ECF0F1;
    --success: #27AE60;
    --danger: #E74C3C;
    --warning: #F39C12;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-light);
}

/* Cores Bootstrap Customizadas */
.btn-primary {
    background-color: var(--primary) !important;
    border-color: var(--primary) !important;
}

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

.text-primary {
    color: var(--primary) !important;
}

.bg-primary {
    background-color: var(--primary) !important;
}

.bg-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, var(--secondary) 100%);
}

/* Login Page */
.logo-container {
    animation: fadeInDown 0.8s ease-in-out;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card {
    border-radius: 15px;
    animation: fadeIn 1s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Sidebar */
.sidebar {
    min-height: 100vh;
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 100%);
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    width: 250px;
    z-index: 1000;
}

.sidebar .nav-link {
    color: rgba(255, 255, 255, 0.8);
    padding: 12px 20px;
    border-radius: 8px;
    margin: 5px 10px;
    transition: all 0.3s;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    background-color: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.sidebar .nav-link i {
    margin-right: 10px;
    font-size: 1.1rem;
}

.sidebar-header {
    padding: 30px 20px;
    text-align: center;
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h4 {
    font-weight: bold;
    margin-top: 10px;
}

/* Main Content */
.main-content {
    margin-left: 250px;
    padding: 30px;
    min-height: 100vh;
}

/* Cards Dashboard */
.stat-card {
    border-radius: 10px;
    padding: 25px;
    color: #fff;
    transition: transform 0.3s;
    border: none;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

.stat-card i {
    font-size: 3rem;
    opacity: 0.3;
}

.stat-card h3 {
    font-size: 2.5rem;
    font-weight: bold;
}

.stat-card p {
    font-size: 1rem;
    opacity: 0.9;
}

.card-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
}

.card-info {
    background: linear-gradient(135deg, var(--secondary) 0%, #29B6F6 100%);
}

.card-success {
    background: linear-gradient(135deg, var(--success) 0%, #2ECC71 100%);
}

.card-warning {
    background: linear-gradient(135deg, var(--warning) 0%, #F1C40F 100%);
}

/* Tables */
.table-custom {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.table thead {
    background-color: var(--primary);
    color: #fff;
}

.table tbody tr:hover {
    background-color: var(--bg-light);
}

/* Badges */
.badge {
    padding: 6px 12px;
    font-size: 0.85rem;
}

/* Forms */
.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.2rem rgba(103, 58, 183, 0.25);
}

/* Video Player */
.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    border-radius: 10px;
    background: #000;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    margin-bottom: 1rem;
}

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

/* Melhorar controles de vídeo nativos */
video::-webkit-media-controls {
    visibility: visible !important;
}

video::-webkit-media-controls-panel {
    background-color: rgba(0, 0, 0, 0.8);
}

video::-webkit-media-controls-play-button {
    background-color: var(--primary);
    border-radius: 50%;
}

video::-webkit-media-controls-current-time-display,
video::-webkit-media-controls-time-remaining-display {
    color: #fff;
    text-shadow: 0 0 2px rgba(0,0,0,0.5);
}

/* Player aprimorado para mobile */
@media (max-width: 768px) {
    .video-container {
        border-radius: 0;
        margin-left: -15px;
        margin-right: -15px;
        width: calc(100% + 30px);
        box-shadow: 0 2px 10px rgba(0,0,0,0.5);
        padding-bottom: 56.25%; /* Mantém 16:9 */
    }
    
    .video-container video {
        object-fit: contain;
        background: #000;
    }
    
    /* Controles maiores e mais visíveis no mobile */
    video::-webkit-media-controls-panel {
        padding: 10px 5px;
    }
    
    video::-webkit-media-controls-play-button {
        width: 50px;
        height: 50px;
    }
    
    video::-webkit-media-controls-current-time-display,
    video::-webkit-media-controls-time-remaining-display {
        font-size: 14px;
        font-weight: bold;
    }
    
    video::-webkit-media-controls-timeline {
        height: 8px;
    }
    
    video::-webkit-media-controls-volume-slider {
        display: none; /* Ocultar volume no mobile */
    }
}

/* Melhorias para telas pequenas */
@media (max-width: 576px) {
    .video-container {
        padding-bottom: 56.25%; /* Sempre 16:9 */
    }
    
    /* Botão play maior */
    video::-webkit-media-controls-play-button {
        width: 60px;
        height: 60px;
    }
}

/* Progress Bar */
.progress-custom {
    height: 25px;
    border-radius: 15px;
    background-color: #e0e0e0;
}

.progress-custom .progress-bar {
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
    font-weight: bold;
}

/* Course Cards */
.course-card {
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s;
    border: none;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.course-card img {
    height: 200px;
    object-fit: cover;
}

.course-card .card-body {
    padding: 20px;
}

/* Aula List */
.aula-item {
    padding: 15px;
    border-left: 4px solid var(--primary);
    background: #fff;
    border-radius: 8px;
    margin-bottom: 10px;
    transition: all 0.3s;
    cursor: pointer;
}

.aula-item:hover {
    background: var(--bg-light);
    transform: translateX(5px);
}

.aula-item.concluida {
    border-left-color: var(--success);
    opacity: 0.7;
}

.aula-item i {
    font-size: 1.5rem;
}

/* Módulo Header */
.modulo-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white !important;
    padding: 12px 15px;
    border-left: 4px solid var(--secondary);
    margin-bottom: 5px;
}

.modulo-header strong {
    color: white;
}

.modulo-header small {
    color: rgba(255, 255, 255, 0.9);
}

/* Footer */
.footer {
    background: var(--dark);
    color: #fff;
    padding: 20px;
    text-align: center;
    margin-top: 50px;
}

/* Responsivo */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        position: relative;
        min-height: auto;
    }
    
    .main-content {
        margin-left: 0;
        padding: 15px;
    }
    
    .stat-card {
        margin-bottom: 20px;
    }
    
    /* Card de aula em tela cheia no mobile */
    .col-lg-8.mb-4 .card {
        border-radius: 0;
        margin-left: -15px;
        margin-right: -15px;
        width: calc(100% + 30px);
    }
    
    .col-lg-8.mb-4 .card .card-body {
        padding: 0;
    }
    
    .col-lg-8.mb-4 .card .card-body > *:not(.video-container) {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .col-lg-8.mb-4 .card .card-body > h4,
    .col-lg-8.mb-4 .card .card-body > p,
    .col-lg-8.mb-4 .card .card-body > .d-flex {
        padding-top: 15px;
    }
    
    /* Ajustar altura da lista de aulas no mobile */
    .col-lg-4 .card-body {
        max-height: 400px !important;
    }
    
    /* Botões maiores no mobile */
    .btn {
        padding: 12px 20px;
        font-size: 16px;
    }
    
    /* Alertas mais visíveis */
    .alert {
        font-size: 15px;
        padding: 15px;
    }
}

/* Animações */
.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

.slide-in {
    animation: slideIn 0.5s ease-in-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Buttons */
.btn {
    border-radius: 8px;
    padding: 10px 20px;
    font-weight: 500;
    transition: all 0.3s;
}

.btn i {
    margin-right: 5px;
}

/* Alerts */
.alert {
    border-radius: 10px;
    border: none;
}

/* File Upload */
.file-upload-wrapper {
    position: relative;
    overflow: hidden;
    display: inline-block;
}

.file-upload-wrapper input[type=file] {
    font-size: 100px;
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
}

/* Mobile Video Player Enhancements */
@media (max-width: 768px) {
    /* Player em destaque */
    .video-container {
        margin-bottom: 0 !important;
    }
    
    /* Título da aula mais visível */
    .card-body h4 {
        font-size: 1.3rem;
        line-height: 1.4;
    }
    
    /* Botões de ação maiores e mais visíveis */
    .btn-success,
    .btn-outline-primary {
        min-height: 48px;
        font-size: 16px;
        font-weight: 600;
        border-radius: 10px;
    }
    
    /* Melhorar visibilidade dos ícones */
    .bi {
        font-size: 1.2rem;
    }
    
    /* Espaçamento mobile */
    .gap-2 {
        gap: 0.75rem !important;
    }
    
    /* Card sem bordas no mobile para aproveitar tela */
    .card.shadow-sm {
        box-shadow: none !important;
        border: none;
    }
}

/* Telas muito pequenas */
@media (max-width: 576px) {
    /* Título ainda maior */
    .card-body h4 {
        font-size: 1.2rem;
    }
    
    /* Botões empilhados verticalmente */
    .d-flex.flex-wrap {
        flex-direction: column;
    }
    
    .flex-fill {
        width: 100% !important;
    }
    
    /* Lista de aulas mais compacta */
    .aula-item {
        padding: 10px;
        margin-bottom: 5px;
    }
    
    .aula-item small {
        font-size: 0.85rem;
    }
}

/* Ocultar sidebar em mobile quando vendo vídeo */
@media (max-width: 991px) {
    .sidebar {
        display: none;
    }
    
    .main-content {
        margin-left: 0;
        padding: 0;
    }
    
    /* Botão voltar mais visível */
    .btn-outline-secondary {
        position: sticky;
        top: 0;
        z-index: 100;
        background: white;
    }
}