/* wsCheck Platform - Main Styles */
:root {
    --primary: #2c3e50;
    --secondary: #3498db;
    --success: #27ae60;
    --danger: #e74c3c;
    --warning: #f39c12;
    --light: #ecf0f1;
    --dark: #34495e;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; background: #f5f5f5; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.btn { display: inline-block; padding: 0.75rem 1.5rem; border: none; border-radius: 4px; cursor: pointer; text-decoration: none; font-size: 1rem; transition: all 0.3s; }
.btn-primary { background: var(--secondary); color: white; }
.btn-primary:hover { background: #2980b9; }
.btn-success { background: var(--success); color: white; }
.btn-success:hover { background: #229954; }
.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: #c0392b; }
.card { background: white; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1); padding: 1.5rem; margin-bottom: 1.5rem; }
.card-header { font-size: 1.5rem; font-weight: bold; margin-bottom: 1rem; padding-bottom: 0.5rem; border-bottom: 2px solid var(--light); }
.table { width: 100%; border-collapse: collapse; background: white; }
.table th, .table td { padding: 1rem; text-align: left; border-bottom: 1px solid var(--light); }
.table th { background: var(--primary); color: white; font-weight: 600; }
.table tr:hover { background: #f8f9fa; }
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: 600; }
.form-control { width: 100%; padding: 0.75rem; border: 1px solid #ddd; border-radius: 4px; font-size: 1rem; }
.form-control:focus { outline: none; border-color: var(--secondary); box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1); }
.alert { padding: 1rem; border-radius: 4px; margin-bottom: 1rem; }
.alert-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.alert-danger { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.alert-warning { background: #fff3cd; color: #856404; border: 1px solid #ffeeba; }
.badge { display: inline-block; padding: 0.25rem 0.75rem; border-radius: 20px; font-size: 0.875rem; font-weight: 600; }
.badge-success { background: var(--success); color: white; }
.badge-danger { background: var(--danger); color: white; }
.badge-warning { background: var(--warning); color: white; }
.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .main-nav { flex-direction: column; }
}
.stats-card { text-align: center; padding: 2rem; }
.stats-card .number { font-size: 2.5rem; font-weight: bold; color: var(--secondary); }
.stats-card .label { font-size: 1rem; color: #666; margin-top: 0.5rem; }
.status-indicator { width: 12px; height: 12px; border-radius: 50%; display: inline-block; margin-right: 0.5rem; }
.status-ok { background: var(--success); }
.status-error { background: var(--danger); }
.status-warning { background: var(--warning); }
.loading { text-align: center; padding: 3rem; }
.loading i { font-size: 3rem; color: var(--secondary); animation: spin 1s linear infinite; }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
.pagination { display: flex; justify-content: center; gap: 0.5rem; margin-top: 2rem; }
.pagination a { padding: 0.5rem 1rem; border: 1px solid #ddd; border-radius: 4px; text-decoration: none; color: #333; }
.pagination a:hover { background: var(--secondary); color: white; }
.pagination a.active { background: var(--secondary); color: white; }

/* ===================================
   PUBLIC HEADER MODERN DESIGN
   =================================== */
.public-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.public-header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    min-height: 70px;
}

.public-logo a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    transition: all 0.3s ease;
}

.public-logo a:hover {
    transform: translateY(-2px);
    filter: brightness(1.1);
}

.public-logo i {
    font-size: 2rem;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem;
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.public-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.public-nav .nav-link {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.public-nav .nav-link:hover {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    transform: translateY(-2px);
}

.public-nav .btn-login {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    padding: 0.65rem 1.5rem;
    border-radius: 10px;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.public-nav .btn-login:hover {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

.public-nav .btn-register {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    padding: 0.65rem 1.5rem;
    border-radius: 10px;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.public-nav .btn-register:hover {
    background: linear-gradient(135deg, #059669, #047857);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.5);
}

.public-nav .btn-logout {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    padding: 0.65rem 1.5rem;
    border-radius: 10px;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.public-nav .btn-logout:hover {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.5);
}

.mobile-menu-btn {
    display: none;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: white;
    font-size: 1.5rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.mobile-menu-btn:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .public-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    }
    
    .public-nav.mobile-active {
        display: flex;
    }
    
    .public-nav .nav-link,
    .public-nav .btn-login,
    .public-nav .btn-register,
    .public-nav .btn-logout {
        width: 100%;
        justify-content: center;
    }
    
    .mobile-menu-btn {
        display: block;
    }
}