:root {
    --color-primary: #0066FF;
    --color-secondary: #F5F5F5;
    --color-text: #1A1A1A;
    --color-text-light: #666666;
    --color-border: #E0E0E0;
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-danger: #EF4444;
    --color-info: #3B82F6;
    --radius: 8px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    background: #FAFAFA;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

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

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

.logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text);
    text-decoration: none;
}

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

.nav a {
    color: var(--color-text-light);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.nav a:hover {
    color: var(--color-text);
}

/* Buttons */
.btn {
    padding: 0.6rem 1.5rem;
    border: 1px solid var(--color-border);
    background: white;
    color: var(--color-text);
    border-radius: var(--radius);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-block;
}

.btn:hover {
    background: var(--color-secondary);
    transform: translateY(-1px);
}

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

.btn-primary:hover {
    background: #0052CC;
    border-color: #0052CC;
}

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

.btn-small {
    padding: 0.4rem 1rem;
    font-size: 0.85rem;
}

/* Hero Section */
.hero {
    background: white;
    padding: 4rem 0;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.hero p {
    color: var(--color-text-light);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
}

/* Search Bar */
.search-bar {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.search-input {
    flex: 1;
    min-width: 200px;
    padding: 0.9rem 1rem 0.9rem 3rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.95rem;
    background: white url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.35-4.35'/%3E%3C/svg%3E") no-repeat 12px center;
}

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

.search-select {
    padding: 0.9rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.95rem;
    background: white;
    cursor: pointer;
}

/* Job Grid */
.jobs-section {
    padding: 2rem 0;
}

.jobs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1rem;
}

.job-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    transition: all 0.2s;
    cursor: pointer;
}

.job-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transform: translateY(-2px);
}

.job-card-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 0.75rem;
}

.job-card-logo {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.job-card-title {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 0.3rem;
}

.job-card-company {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.job-card-tags {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
    margin-bottom: 0.75rem;
}

.tag {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 500;
}

.tag-primary { background: #E6F2FF; color: var(--color-info); }
.tag-success { background: #D1FAE5; color: var(--color-success); }
.tag-warning { background: #FEF3C7; color: var(--color-warning); }

.job-card-desc {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.5;
    margin-bottom: 0.75rem;
}

.job-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--color-text-light);
}

.job-card-select {
    margin-right: 0.75rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 0.4rem;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-family: inherit;
}

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

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

.form-row {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 0.5rem;
}

.form-hint {
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-top: 0.25rem;
}

.form-error {
    color: var(--color-danger);
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

.form-success {
    color: var(--color-success);
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

/* File Upload */
.file-upload {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}

.file-upload:hover {
    border-color: var(--color-primary);
    background: var(--color-secondary);
}

.file-upload-input {
    display: none;
}

.file-upload-icon {
    font-size: 2rem;
    color: var(--color-text-light);
    margin-bottom: 0.5rem;
}

/* Dashboard */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 600;
}

.stat-value.success { color: var(--color-success); }
.stat-value.warning { color: var(--color-warning); }

/* Dashboard Job List */
.dashboard-job {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1rem;
}

.dashboard-job-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 1rem;
}

.dashboard-job-title {
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 0.4rem;
}

.dashboard-job-meta {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.dashboard-job-stats {
    display: flex;
    gap: 2rem;
}

.dashboard-job-stat {
    font-size: 0.85rem;
    color: var(--color-text-light);
}

.dashboard-job-stat strong {
    display: block;
    font-size: 1.3rem;
    color: var(--color-text);
    font-weight: 600;
    margin-top: 0.2rem;
}

.dashboard-job-actions {
    display: flex;
    gap: 0.5rem;
}

/* Alert Messages */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
}

.alert-success {
    background: #D1FAE5;
    color: #065F46;
}

.alert-error {
    background: #FEE2E2;
    color: #991B1B;
}

.alert-warning {
    background: #FEF3C7;
    color: #92400E;
}

.alert-info {
    background: #DBEAFE;
    color: #1E40AF;
}

/* Footer */
footer {
    background: white;
    border-top: 1px solid var(--color-border);
    padding: 2rem 0;
    margin-top: 4rem;
    text-align: center;
    color: var(--color-text-light);
    font-size: 0.9rem;
}

footer a {
    color: var(--color-text);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 1.8rem; }
    .search-bar { flex-direction: column; }
    .search-input { min-width: 100%; }
    .jobs-grid { grid-template-columns: 1fr; }
    .nav { flex-direction: column; gap: 0.75rem; }
    .dashboard-job-header { flex-direction: column; gap: 1rem; }
    .dashboard-job-actions { flex-wrap: wrap; }
    .form-row { grid-template-columns: 1fr; }
}

/* Loading Spinner */
.spinner {
    border: 2px solid var(--color-border);
    border-top: 2px solid var(--color-primary);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 0.8s linear infinite;
    display: inline-block;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: var(--radius);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 2rem;
}

.modal-header {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}