:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --success: #22c55e;
    --border: #334155;
    --job-card-bg: rgba(30, 41, 59, 0.8);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

header { 
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    padding: 3rem 0; 
    border-bottom: 1px solid var(--border); 
    text-align: center; 
}
header h1 { font-size: 2.5rem; margin-bottom: 0.75rem; }
header p { color: var(--text-secondary); font-size: 1.1rem; }

main { padding: 2rem 0; display: grid; gap: 2rem; }
.card { 
    background: var(--bg-secondary); 
    border-radius: 16px; 
    padding: 2rem; 
    border: 1px solid var(--border); 
}
.card h2 { 
    font-size: 1.5rem; 
    margin-bottom: 1.5rem; 
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.search-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); 
    gap: 1.5rem; 
}
.input-group label { 
    display: block; 
    font-size: 0.875rem; 
    color: var(--text-secondary); 
    margin-bottom: 0.5rem; 
    font-weight: 500;
}
.input-group input, .input-group select {
    width: 100%; 
    padding: 0.875rem; 
    border-radius: 10px; 
    border: 1px solid var(--border);
    background: var(--bg-primary); 
    color: var(--text-primary); 
    font-size: 1rem;
    transition: all 0.3s ease;
}
.input-group input:focus, .input-group select:focus { 
    outline: none;
    border-color: var(--accent); 
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.results-info {
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--bg-primary);
    border-radius: 8px;
    color: var(--text-secondary);
    text-align: center;
}

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

.job-card {
    background: var(--job-card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.75rem;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.job-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.2);
    border-color: var(--accent);
}

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    flex-wrap: wrap;
}

.job-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.job-company {
    font-size: 1rem;
    color: var(--accent);
    font-weight: 600;
}

.job-category {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.job-location {
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.job-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0.5rem 0;
}

.job-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 1rem;
}

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

.apply-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--accent);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.apply-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.stat-item {
    background: var(--bg-primary);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--border);
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.loading {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.no-jobs {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

footer { 
    text-align: center; 
    padding: 2rem 0; 
    color: var(--text-secondary); 
    font-size: 0.875rem; 
    border-top: 1px solid var(--border); 
    margin-top: 2rem; 
}

@media (max-width: 768px) {
    header h1 { font-size: 2rem; }
    .search-grid { grid-template-columns: 1fr; }
    .job-header { flex-direction: column; }
    .job-footer { flex-direction: column; align-items: stretch; }
    .apply-btn { justify-content: center; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}