/* ========== GLOBAL STYLES ========== */
:root {
    --primary-color: #3498db;
    --primary-dark: #2980b9;
    --secondary-color: #2ecc71;
    --secondary-dark: #27ae60;
    --text-color: #333;
    --text-light: #777;
    --background-color: #f9f9f9;
    --card-background: #fff;
    --border-color: #e0e0e0;
    --hover-color: #f5f5f5;
    --shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    --radius: 6px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    color: var(--text-color);
    background-color: var(--background-color);
    line-height: 1.6;
}

.container {
    width: 92%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

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

a:hover {
    color: var(--primary-dark);
}

h1, h2, h3, h4, h5, h6 {
    margin-bottom: 0.5em;
    font-weight: 600;
    line-height: 1.2;
}

button {
    cursor: pointer;
}

/* ========== HEADER STYLES ========== */
header {
    background-color: var(--primary-color);
    color: white;
    padding: 30px 0;
    text-align: center;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* ========== STATISTICS SECTION ========== */
.statistics {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    flex: 1;
    min-width: 220px;
    background-color: var(--card-background);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.stat-icon {
    background-color: rgba(52, 152, 219, 0.1);
    color: var(--primary-color);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
}

.stat-icon i {
    font-size: 24px;
}

.stat-content h3 {
    font-size: 1rem;
    margin-bottom: 5px;
    color: var(--text-light);
}

.stat-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* ========== ACTIVITY FEED ========== */
.activity-feed {
    background-color: var(--card-background);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
}

.activity-feed h2 {
    margin-bottom: 15px;
    color: var(--text-color);
    font-size: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.marquee {
    overflow: hidden;
    width: 100%;
    position: relative;
    height: 40px;
}

.marquee-content {
    display: flex;
    animation: marquee 15s linear infinite;
    width: max-content;
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.activity-item {
    padding: 8px 20px;
    margin-right: 20px;
    background-color: rgba(52, 152, 219, 0.05);
    border-radius: 20px;
    white-space: nowrap;
}

.activity-date {
    font-weight: 600;
    color: var(--primary-color);
}

/* ========== SEARCH SECTION ========== */
.search-section {
    background-color: var(--card-background);
    border-radius: var(--radius);
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
}

.search-section h2 {
    margin-bottom: 20px;
    color: var(--text-color);
    font-size: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.form-row {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    flex: 1;
    min-width: 250px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 1rem;
    background-color: white;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 15px;
}

.search-btn,
.reset-btn {
    padding: 10px 25px;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
}

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

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

.reset-btn {
    background-color: #f1f1f1;
    color: var(--text-color);
}

.reset-btn:hover {
    background-color: #e4e4e4;
}

/* ========== JOBS SECTION ========== */
.jobs-section {
    background-color: var(--card-background);
    border-radius: var(--radius);
    padding: 25px;
    box-shadow: var(--shadow);
    margin-bottom: 40px;
}

.jobs-section h2 {
    margin-bottom: 20px;
    color: var(--text-color);
    font-size: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.jobs-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
}

.job-card {
    background-color: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px;
    transition: var(--transition);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    height: 100%;
    color: var(--text-color);
}

.job-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.job-header {
    margin-bottom: 15px;
}

.job-title {
    font-size: 1.3rem;
    margin-bottom: 5px;
    color: var(--primary-color);
}

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

.job-description {
    margin-bottom: 15px;
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--text-color);
    flex-grow: 1;
}

.job-meta {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-light);
}

.meta-item i {
    color: var(--primary-color);
    width: 16px;
    text-align: center;
}

.job-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.qualifications {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-light);
    flex: 1;
}

.qualifications i {
    color: var(--secondary-color);
}

.likes {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.9rem;
    color: #e74c3c;
}

.no-jobs {
    text-align: center;
    padding: 40px 0;
    color: var(--text-light);
    font-size: 1.1rem;
    grid-column: 1 / -1;
}

.salary-info, .related-jobs { margin-top: 20px; padding: 15px; border: 1px solid #ddd; border-radius: 8px; }
.related-jobs h3 { margin-bottom: 10px; }
.related-jobs ul { list-style: none; padding-left: 0; }
.related-jobs li { margin-bottom: 8px; }
.related-jobs a { font-weight: bold; color: #007bff; text-decoration: none; }
.related-jobs span { color: #555; }

/* ========== PAGINATION ========== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 30px;
}

.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 35px;
    height: 35px;
    padding: 0 12px;
    border-radius: var(--radius);
    background-color: white;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
}

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

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

.page-ellipsis {
    padding: 0 5px;
    color: var(--text-light);
}

/* ========== FOOTER ========== */
footer {
    background-color: #2c3e50;
    color: rgba(255, 255, 255, 0.8);
    padding: 25px 0;
    text-align: center;
    margin-top: auto;
}

/* ========== JOB DETAILS PAGE ========== */
.breadcrumb {
    display: flex;
    align-items: center;
    padding: 15px 0;
    margin-bottom: 20px;
    color: var(--text-light);
    font-size: 0.95rem;
}

.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.breadcrumb a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.alert {
    padding: 15px 20px;
    border-radius: var(--radius);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
}

.alert-success {
    background-color: var(--success-light);
    color: var(--success-color);
    border-left: 4px solid var(--success-color);
}

.job-detail-card {
    background-color: var(--card-background);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 30px;
    margin-bottom: in 10px solid var(--primary-color);
    margin-bottom: 30px;
}

.job-detail-header {
    margin-bottom: 25px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
}

.job-detail-title {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.job-detail-stats {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
    padding: 20px;
    background-color: rgba(52, 152, 219, 0.05);
    border-radius: var(--radius);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.stat-item i {
    color: var(--primary-color);
    font-size: 1.2rem;
    width: 20px;
    text-align: center;
}

.stat-label {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-right: 5px;
}

.stat-value {
    color: var(--text-color);
    font-weight: 600;
}

.job-qualification {
    margin-bottom: 30px;
}

.job-qualification h3,
.job-description h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.job-qualification h3 i,
.job-description h3 i {
    color: var(--secondary-color);
}

.qualification-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.qualification-tag {
    display: inline-block;
    padding: 6px 15px;
    background-color: rgba(46, 204, 113, 0.1);
    color: var(--secondary-color);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.job-description {
    margin-bottom: 30px;
}

.job-description-content {
    line-height: 1.7;
    color: var(--text-color);
    white-space: pre-line;
}

.job-detail-meta {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
    padding: 20px;
    background-color: rgba(52, 152, 219, 0.05);
    border-radius: var(--radius);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.meta-label {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-right: 5px;
}

.meta-value {
    color: var(--text-color);
    font-weight: 500;
}

.job-actions {
    display: flex;
    gap: 20px;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.like-btn,
.apply-btn {
    padding: 12px 24px;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.like-btn {
    background-color: rgba(231, 76, 60, 0.1);
    color: var(--danger-color);
    border: 1px solid var(--danger-color);
}

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

.apply-btn {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    text-decoration: none;
}

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

.related-jobs {
    background-color: var(--card-background);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 25px;
    margin-bottom: 30px;
}

.related-jobs h3 {
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
    font-size: 1.3rem;
    color: var(--text-color);
}

.related-jobs-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.related-job-card {
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: 8px;
    color: var(--text-color);
    text-decoration: none;
}

.related-job-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
    border-color: var(--primary-color);
}

.related-job-title {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.related-job-company {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.related-job-salary {
    font-size: 0.9rem;
    color: var(--secondary-color);
    display: flex;
    align-items: center;
    gap: 5px;
}

.back-to-jobs {
    margin: 30px 0;
}

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius);
    background-color: var(--hover-color);
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
    text-decoration: none;
}

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

/* ========== RESPONSIVE DESIGN ========== */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    
    .stat-card {
        min-width: 100%;
    }
    
    .form-group {
        min-width: 100%;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .search-btn, .reset-btn {
        width: 100%;
    }
    
    .jobs-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .statistics {
        flex-direction: column;
    }
    
    .job-meta {
        flex-direction: column;
    }
    
    .job-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
}