/* Reset e estilos globais */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

/* Navbar */
.navbar {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    padding: 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: white;
    font-size: 24px;
    font-weight: bold;
}

.nav-brand i {
    font-size: 28px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    padding: 8px;
    border-radius: 10px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 5px;
}

.nav-menu li a {
    color: #ccc;
    text-decoration: none;
    padding: 10px 15px;
    border-radius: 8px;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
}

.nav-menu li a:hover {
    background: rgba(102, 126, 234, 0.2);
    color: white;
}

.nav-menu li a.active {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.nav-toggle {
    display: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
}

/* Main Content */
.main-content {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
}

/* Cards */
.card {
    background: white;
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.card h2 {
    color: #333;
    margin-bottom: 20px;
    border-bottom: 2px solid #667eea;
    padding-bottom: 10px;
    font-size: 20px;
}

/* Page Title */
.page-title {
    color: white;
    margin-bottom: 30px;
    font-size: 28px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-row {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: #555;
}

input[type="text"],
input[type="url"],
input[type="email"],
input[type="file"],
select {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s;
}

input:focus, select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.btn-primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
}

.btn-success {
    background: linear-gradient(135deg, #11998e, #38ef7d);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, #eb3349, #f45c43);
    color: white;
}

.btn-info {
    background: linear-gradient(135deg, #2193b0, #6dd5ed);
    color: white;
}

.btn-warning {
    background: linear-gradient(135deg, #f093fb, #f5576c);
    color: white;
}

.btn-sm {
    padding: 8px 12px;
    font-size: 13px;
}

.btn-copy-small {
    background: #667eea;
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.3s;
}

.btn-copy-small:hover {
    background: #5a67d8;
}

/* Dashboard Stats */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    border-radius: 12px;
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
}

.stat-icon.blue {
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.stat-icon.green {
    background: linear-gradient(135deg, #11998e, #38ef7d);
}

.stat-icon.orange {
    background: linear-gradient(135deg, #f093fb, #f5576c);
}

.stat-icon.purple {
    background: linear-gradient(135deg, #4b6cb7, #182848);
}

.stat-info h3 {
    font-size: 32px;
    color: #333;
}

.stat-info p {
    color: #666;
    font-size: 14px;
}

/* Quick Actions */
.quick-actions {
    background: white;
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.quick-actions h2 {
    margin-bottom: 20px;
}

.action-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.data-table th {
    background: #667eea;
    color: white;
    padding: 12px;
    text-align: left;
    font-weight: 600;
}

.data-table td {
    padding: 12px;
    border-bottom: 1px solid #ddd;
}

.data-table tr:hover {
    background: #f8f9fa;
}

/* Alerts */
.alert {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-weight: 600;
}

.alert.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge-blue {
    background: #e3f2fd;
    color: #1976d2;
}

.badge-green {
    background: #d4edda;
    color: #155724;
}

.badge-gray {
    background: #e9ecef;
    color: #6c757d;
}

/* Toast */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: #333;
    color: white;
    padding: 15px 25px;
    border-radius: 8px;
    z-index: 10000;
    opacity: 0;
    transform: translateY(-20px);
    transition: all 0.3s;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

/* Video Player */
.player-section {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 20px;
}

.player-card {
    min-height: 550px;
}

.video-player {
    background: #000;
    border-radius: 8px;
    overflow: hidden;
}

/* File Upload */
.file-upload-wrapper {
    position: relative;
    border: 3px dashed #667eea;
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

.file-upload-wrapper:hover {
    background: #f8f9fa;
}

.file-upload-wrapper input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.file-upload-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.file-upload-info i {
    font-size: 48px;
    color: #667eea;
}

.file-upload-info small {
    color: #888;
}

/* Footer */
.footer {
    background: #1a1a2e;
    color: #ccc;
    padding: 30px;
    margin-top: 50px;
    text-align: center;
}

.footer-content p {
    margin: 5px 0;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #1a1a2e;
        flex-direction: column;
        padding: 20px;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu li a {
        padding: 15px;
    }
    
    .dashboard-stats {
        grid-template-columns: 1fr;
    }
    
    .player-section {
        grid-template-columns: 1fr;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}