/* WebSurf Social - Estilos Principais */

:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --gradient-warning: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
}

/* Fontes */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
}

/* Utilitários */
.gradient-primary {
    background: var(--gradient-primary);
}

.gradient-success {
    background: var(--gradient-success);
}

.gradient-warning {
    background: var(--gradient-warning);
}

.shadow-custom {
    box-shadow: var(--shadow);
}

.shadow-custom-lg {
    box-shadow: var(--shadow-lg);
}

/* Navegação */
.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.navbar-nav .nav-link {
    font-weight: 500;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
    transform: translateY(-1px);
}

/* Cards */
.card {
    border: none;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid rgba(0, 0, 0, 0.125);
    font-weight: 600;
}

/* Botões */
.btn {
    font-weight: 500;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.btn-gradient-primary {
    background: var(--gradient-primary);
    border: none;
    color: white;
}

.btn-gradient-primary:hover {
    background: var(--gradient-primary);
    opacity: 0.9;
    color: white;
}

.btn-gradient-success {
    background: var(--gradient-success);
    border: none;
    color: white;
}

.btn-gradient-success:hover {
    background: var(--gradient-success);
    opacity: 0.9;
    color: white;
}

/* Formulários */
.form-control, .form-select {
    border-radius: 0.5rem;
    border: 1px solid #dee2e6;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.form-floating > label {
    font-weight: 500;
}

/* Badges */
.badge {
    font-weight: 500;
    border-radius: 0.375rem;
}

/* Alertas */
.alert {
    border: none;
    border-radius: 0.5rem;
    font-weight: 500;
}

.alert-dismissible .btn-close {
    padding: 0.75rem 1rem;
}

/* Tabelas */
.table {
    border-radius: 0.5rem;
    overflow: hidden;
}

.table thead th {
    background-color: var(--light-color);
    border-bottom: 2px solid #dee2e6;
    font-weight: 600;
}

/* Paginação */
.pagination .page-link {
    border-radius: 0.375rem;
    margin: 0 0.125rem;
    font-weight: 500;
}

.pagination .page-item.active .page-link {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Modais */
.modal-content {
    border: none;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    border-bottom: 1px solid rgba(0, 0, 0, 0.125);
}

.modal-footer {
    border-top: 1px solid rgba(0, 0, 0, 0.125);
}

/* Hero Section */
.hero-section {
    background: var(--gradient-primary);
    color: white;
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.1;
}

.hero-content {
    position: relative;
    z-index: 1;
}

/* Features */
.feature-icon {
    width: 4rem;
    height: 4rem;
    background: var(--gradient-primary);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* Stats */
.stat-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    color: var(--secondary-color);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
}

/* Dashboard */
.dashboard-card {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    height: 100%;
}

.dashboard-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.dashboard-icon.bg-primary {
    background: var(--gradient-primary);
}

.dashboard-icon.bg-success {
    background: var(--gradient-success);
}

.dashboard-icon.bg-warning {
    background: var(--gradient-warning);
}

/* Surf Interface */
.surf-card {
    border-radius: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
}

.surf-card:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

.surf-timer {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    z-index: 9999;
}

.surf-timer .timer-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid white;
    margin: 0 auto 1rem;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Loading */
.loading-spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

/* Responsividade */
@media (max-width: 768px) {
    .hero-section {
        padding: 3rem 0;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .dashboard-card {
        margin-bottom: 1rem;
    }
}

/* Animações */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

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

.slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

/* Scrollbar personalizada */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0056b3;
}

/* Utilitários adicionais */
.text-gradient-primary {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.border-gradient-primary {
    border: 2px solid transparent;
    background: linear-gradient(white, white) padding-box, var(--gradient-primary) border-box;
}

.glass-effect {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .card {
        background-color: #2d3748;
        color: white;
    }
    
    .table {
        color: white;
    }
    
    .form-control, .form-select {
        background-color: #2d3748;
        border-color: #4a5568;
        color: white;
    }
}