/* Simple, Clean Design */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --secondary: #64748b;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    
    --bg: #ffffff;
    --bg-light: #f8fafc;
    --text: #1e293b;
    --text-light: #64748b;
    --border: #e2e8f0;
    
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    
    --radius: 8px;
    --radius-sm: 4px;
    --radius-lg: 12px;
}

[data-theme="dark"] {
    --bg: #0f172a;
    --bg-light: #1e293b;
    --text: #f1f5f9;
    --text-light: #94a3b8;
    --border: #334155;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

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

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

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

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 500;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    font-size: 0.875rem;
}

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

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

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

.btn-outline:hover {
    background: var(--bg-light);
}

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

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

.btn-sm {
    padding: 0.375rem 1rem;
    font-size: 0.8125rem;
}

/* Main */
.main {
    flex: 1;
    padding: 2rem 0;
}

/* Messages */
.messages {
    margin-bottom: 1.5rem;
}

.alert {
    padding: 1rem;
    border-radius: var(--radius);
    margin-bottom: 0.5rem;
    border-left: 4px solid;
}

.alert-success {
    background: #d1fae5;
    border-color: var(--success);
    color: #065f46;
}

.alert-error {
    background: #fee2e2;
    border-color: var(--danger);
    color: #991b1b;
}

.alert-info {
    background: #dbeafe;
    border-color: var(--info);
    color: #1e40af;
}

.alert-warning {
    background: #fef3c7;
    border-color: var(--warning);
    color: #92400e;
}

[data-theme="dark"] .alert-success {
    background: #064e3b;
    color: #6ee7b7;
}

[data-theme="dark"] .alert-error {
    background: #7f1d1d;
    color: #fca5a5;
}

[data-theme="dark"] .alert-info {
    background: #1e3a8a;
    color: #93c5fd;
}

[data-theme="dark"] .alert-warning {
    background: #78350f;
    color: #fcd34d;
}

/* Cards */
.card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
}

.card-header {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.card-body {
    margin-bottom: 1rem;
}

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

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text);
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    background: var(--bg);
    color: var(--text);
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.search-form {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: nowrap;
    min-width: 0;
}

.search-form .form-control {
    flex: 1;
    min-width: 0;
}

.search-form select.form-control {
    min-width: 140px;
    flex-shrink: 0;
}

.search-form input[name="location"] {
    min-width: 130px;
    flex-shrink: 0;
}

.search-form .btn {
    flex-shrink: 0;
    white-space: nowrap;
}

/* Job Cards */
.job-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.job-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    transition: all 0.2s;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: block;
}

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

.job-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.job-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.job-description {
    color: var(--text-light);
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
}

.table th,
.table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

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

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

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

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

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

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

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

/* Footer */
.footer {
    background: var(--bg-light);
    border-top: 1px solid var(--border);
    padding: 2rem 0;
    margin-top: 4rem;
    text-align: center;
    color: var(--text-light);
}

/* Utilities */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.flex {
    display: flex;
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }

/* Hero Section */
.hero {
    text-align: center;
    padding: 4rem 0;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    margin-bottom: 3rem;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.hero-text {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.section {
    margin-top: 3rem;
}

.section h2 {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
}

.mx-2 {
    margin: 0 0.5rem;
}

.card-footer {
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    margin-top: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
    .card-body {
        flex-direction: column !important;
        align-items: stretch !important;
    }
    
    .card-body .card-title {
        width: 100%;
    }
    
    .search-form {
        flex-wrap: wrap;
        width: 100%;
    }
    
    .search-form .form-control {
        flex: 1 1 100%;
        min-width: 100%;
    }
    
    .search-form select.form-control,
    .search-form input[name="location"] {
        flex: 1 1 calc(50% - 0.375rem);
        min-width: calc(50% - 0.375rem);
    }
    
    .search-form .btn {
        flex: 1 1 100%;
        width: 100%;
    }
    
    .nav {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .nav-links {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .job-grid {
        grid-template-columns: 1fr;
    }
    
    .table {
        font-size: 0.875rem;
    }
    
    .table th,
    .table td {
        padding: 0.5rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-text {
        font-size: 1rem;
    }
}