/* Pracovní Portál - Hlavní styly */

:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --info-color: #0dcaf0;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #212529;
}

/* Základní styly */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
}

.main-content {
    min-height: calc(100vh - 200px);
}

/* Navigace */
.navbar-brand {
    font-size: 1.5rem;
}

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

.navbar-nav .nav-link:hover {
    color: var(--primary-color) !important;
}

/* Karty */
.card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1) !important;
}

.card-img-top {
    transition: transform 0.3s ease;
}

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

/* Tlačítka */
.btn {
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

/* Hero sekce */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0056b3 100%);
    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="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="1" fill="white" opacity="0.1"/><circle cx="10" cy="60" r="1" fill="white" opacity="0.1"/><circle cx="90" cy="40" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
    pointer-events: none;
}

/* Formuláře */
.form-control {
    border-radius: 8px;
    border: 2px solid #e9ecef;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

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

.form-label {
    font-weight: 600;
    color: var(--dark-color);
}

/* Badge */
.badge {
    font-size: 0.75rem;
    font-weight: 500;
}

/* Inzeráty */
.ad-card {
    border-left: 4px solid var(--primary-color);
}

.ad-card.job-offer {
    border-left-color: var(--success-color);
}

.ad-card.job-demand {
    border-left-color: var(--info-color);
}

.ad-card.freelance-offer {
    border-left-color: var(--warning-color);
}

.ad-card.freelance-demand {
    border-left-color: var(--secondary-color);
}

.ad-card.service-offer {
    border-left-color: var(--danger-color);
}

.ad-card.service-demand {
    border-left-color: #6f42c1;
}

/* Filtry */
.filter-card {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

/* Paginace */
.pagination {
    justify-content: center;
}

.page-link {
    border-radius: 8px;
    margin: 0 2px;
    border: none;
    color: var(--primary-color);
    font-weight: 500;
}

.page-link:hover {
    background-color: var(--primary-color);
    color: white;
}

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

/* Footer */
footer {
    background: linear-gradient(135deg, #212529 0%, #343a40 100%);
}

footer a:hover {
    color: white !important;
    text-decoration: underline !important;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .hero-section .lead {
        font-size: 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
}

/* Animace */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Loading spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Alert zprávy */
.alert {
    border-radius: 8px;
    border: none;
    font-weight: 500;
}

.alert-success {
    background-color: #d1e7dd;
    color: #0f5132;
}

.alert-danger {
    background-color: #f8d7da;
    color: #842029;
}

.alert-warning {
    background-color: #fff3cd;
    color: #664d03;
}

.alert-info {
    background-color: #d1ecf1;
    color: #055160;
}

/* Utility třídy */
.text-truncate-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.text-truncate-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Dark mode podpora */
@media (prefers-color-scheme: dark) {
    .card {
        background-color: #2d3748;
        color: #e2e8f0;
    }
    
    .text-muted {
        color: #a0aec0 !important;
    }
}

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* Button hover effects */
.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}