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

:root {
    --primary-color: #1e40af;
    --primary-hover: #1e3a8a;
    --secondary-color: #3b82f6;
    --text-dark: #1f2937;
    --text-gray: #6b7280;
    --border-color: #e5e7eb;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --success: #10b981;
    --error: #ef4444;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-light);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
.header {
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-gray);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
    padding: 0.5rem 0;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.hero-title {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.hero-subtitle {
    font-size: 1.125rem;
    opacity: 0.95;
}

/* Main Content */
.main {
    padding: 2.5rem 0;
    min-height: calc(100vh - 400px);
}

/* Search Section */
.search-section {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
}

.search-form {
    width: 100%;
}

.search-inputs {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 1rem;
}

.search-input,
.search-select {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-size: 1rem;
    transition: border-color 0.2s;
}

.search-input:focus,
.search-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.375rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.2s;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
}

.btn-success {
    background-color: var(--success);
    color: white;
}

.btn-success:hover {
    opacity: 0.9;
}

/* Jobs Section */
.jobs-header {
    margin-bottom: 1.5rem;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.jobs-grid {
    display: grid;
    gap: 1.5rem;
}

.job-card {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s;
}

.job-card:hover {
    box-shadow: var(--shadow-md);
}

.job-header {
    margin-bottom: 1rem;
}

.job-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.job-company {
    color: var(--text-gray);
    font-size: 0.95rem;
}

.job-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1rem;
    padding: 1rem;
    background-color: var(--bg-light);
    border-radius: 0.375rem;
}

.job-detail {
    font-size: 0.9rem;
    color: var(--text-gray);
}

.job-detail strong {
    color: var(--text-dark);
}

.job-description {
    color: var(--text-gray);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.job-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.job-date {
    font-size: 0.875rem;
    color: var(--text-gray);
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-file {
    padding: 0.5rem;
}

.form-hint {
    font-size: 0.875rem;
    color: var(--text-gray);
    margin-top: 0.25rem;
}

.form-error {
    color: var(--error);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.form-success {
    color: var(--success);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Alert Messages */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 0.375rem;
    margin-bottom: 1.5rem;
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
}

.alert-error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
}

.alert-info {
    background-color: #dbeafe;
    color: #1e40af;
    border: 1px solid #3b82f6;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-gray);
}

/* Footer */
.footer {
    background-color: var(--text-dark);
    color: white;
    padding: 2rem 0;
    margin-top: 4rem;
    text-align: center;
}

.footer p {
    margin: 0.25rem 0;
    opacity: 0.9;
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .search-inputs {
        grid-template-columns: 1fr;
    }
    
    .job-details {
        grid-template-columns: 1fr;
    }
    
    .job-footer {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
}

/* Admin Styles */
.admin-header {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem 0;
}

.admin-nav {
    display: flex;
    gap: 1.5rem;
    margin-top: 1rem;
}

.admin-nav a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    transition: background-color 0.2s;
}

.admin-nav a:hover,
.admin-nav a.active {
    background-color: rgba(255, 255, 255, 0.1);
}

.table {
    width: 100%;
    background-color: var(--bg-white);
    border-collapse: collapse;
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table th,
.table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    background-color: var(--bg-light);
    font-weight: 600;
    color: var(--text-dark);
}

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

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
}

.badge-success {
    background-color: #d1fae5;
    color: #065f46;
}

.badge-warning {
    background-color: #fef3c7;
    color: #92400e;
}

.badge-info {
    background-color: #dbeafe;
    color: #1e40af;
}

.badge-danger {
    background-color: #fee2e2;
    color: #991b1b;
}