/* =====================================================
   Modern Job Search Interface - Stylesheet
   Clean, Responsive, and User-Friendly Design
   ===================================================== */

/* ===== CSS Reset & Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --primary-color: #4f46e5;
    --primary-dark: #4338ca;
    --primary-light: #6366f1;
    --secondary-color: #0ea5e9;
    --accent-color: #f59e0b;

    /* Neutral Colors */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --border-color: #e2e8f0;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
    font-family: var(--font-family);
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

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

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

.logo-link {
    display: block;
    text-decoration: none;
}

.logo-img {
    height: 40px;
    width: auto;
    display: block;
    transition: transform 0.2s ease;
}

.logo-img:hover {
    transform: scale(1.02);
}

.nav {
    display: flex;
    gap: var(--spacing-xl);
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s ease;
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--primary-color);
}

/* ===== Hero Search Section ===== */
.hero-search {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    padding: var(--spacing-2xl) 0;
    color: white;
}

.search-wrapper {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
    font-weight: 400;
}

/* ===== Search Form ===== */
.search-form {
    margin-bottom: var(--spacing-lg);
}

.search-box {
    display: flex;
    align-items: center;
    background-color: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xs);
    box-shadow: var(--shadow-xl);
    transition: transform 0.2s ease;
}

.search-box:focus-within {
    transform: translateY(-2px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.search-icon {
    width: 24px;
    height: 24px;
    color: var(--text-secondary);
    margin-left: var(--spacing-md);
}

.search-input {
    flex: 1;
    border: none;
    outline: none;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1rem;
    color: var(--text-primary);
    font-family: var(--font-family);
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
    font-family: var(--font-family);
}

.search-btn:hover {
    background-color: var(--primary-dark);
    transform: scale(1.02);
}

.search-btn:active {
    transform: scale(0.98);
}

.search-info {
    color: white;
    font-size: 0.95rem;
}

.search-info strong {
    font-weight: 600;
}

/* ===== Results Section ===== */
.results-section {
    padding: var(--spacing-2xl) 0;
    min-height: 60vh;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.results-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

.filter-controls {
    display: flex;
    gap: var(--spacing-md);
}

.filter-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-family);
}

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

.filter-btn svg {
    width: 18px;
    height: 18px;
}

/* ===== Filter Panel ===== */
.filter-panel {
    position: fixed;
    top: 0;
    right: -400px;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background-color: var(--bg-primary);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.filter-panel.active {
    right: 0;
}

.filter-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.filter-panel-header h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.filter-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: background-color 0.2s ease;
}

.filter-close:hover {
    background-color: var(--bg-tertiary);
}

.filter-close svg {
    width: 24px;
    height: 24px;
    color: var(--text-secondary);
}

.filter-panel-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

.filter-group {
    margin-bottom: var(--spacing-xl);
}

.filter-group:last-child {
    margin-bottom: 0;
}

.filter-group-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.filter-group-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.filter-input-wrapper {
    margin-bottom: var(--spacing-sm);
}

.filter-input,
.filter-select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-family: var(--font-family);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: border-color 0.2s ease;
}

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

.filter-checkbox,
.filter-radio {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: background-color 0.2s ease;
}

.filter-checkbox:hover,
.filter-radio:hover {
    background-color: var(--bg-tertiary);
}

.filter-checkbox input[type="checkbox"],
.filter-radio input[type="radio"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.checkbox-label,
.radio-label {
    font-size: 0.95rem;
    color: var(--text-primary);
    cursor: pointer;
    user-select: none;
}

.filter-panel-footer {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
}

.filter-clear-btn,
.filter-apply-btn {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-family);
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-clear-btn {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.filter-clear-btn:hover {
    background-color: var(--bg-tertiary);
}

.filter-apply-btn {
    background-color: var(--primary-color);
    border: 1px solid var(--primary-color);
    color: white;
}

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

/* Filter Overlay */
.filter-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.filter-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ===== Results Grid ===== */
.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

/* ===== Job Card ===== */
.job-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    cursor: pointer;
}

.job-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.job-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.job-card-link:hover,
.job-card-link:focus,
.job-card-link:active,
.job-card-link:visited {
    text-decoration: none;
}

/* Ensure no underlines on any elements inside job card links */
.job-card a,
.job-card-link *,
.job-card-link .job-title,
.job-card-link .job-company,
.job-card-link .job-apply-btn {
    text-decoration: none !important;
}

.job-card-header {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.job-company-logo {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary-color));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.job-header-info {
    flex: 1;
}

.job-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    line-height: 1.4;
}

.job-company {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.job-card-body {
    flex: 1;
}

.job-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.job-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.job-meta-item {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.job-meta-item svg {
    width: 16px;
    height: 16px;
    color: var(--text-muted);
}

.job-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--bg-tertiary);
}

.job-posted {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.job-apply-btn {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-color);
    transition: color 0.2s ease;
}

.job-card:hover .job-apply-btn {
    color: var(--primary-dark);
}

/* ===== No Results ===== */
.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-2xl);
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.no-results svg {
    width: 64px;
    height: 64px;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
}

.no-results h4 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.no-results p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

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

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

/* ===== Pagination ===== */
.pagination-wrapper {
    margin-top: var(--spacing-2xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.pagination-wrapper svg {
    max-width: 20px;
    max-height: 20px;
}

.pagination {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
}

.pagination-btn {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    cursor: pointer;
    font-family: var(--font-family);
    white-space: nowrap;
    vertical-align: middle;
}

.pagination-btn:hover:not(.pagination-disabled) {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.pagination-btn svg {
    width: 16px !important;
    height: 16px !important;
    min-width: 16px;
    min-height: 16px;
    max-width: 16px;
    max-height: 16px;
    flex-shrink: 0;
    display: block;
}

.pagination-btn.pagination-disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: var(--bg-tertiary);
    color: var(--text-muted);
}

.pagination-numbers {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    justify-content: center;
}

.pagination-number {
    min-width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 var(--spacing-sm);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    cursor: pointer;
    font-family: var(--font-family);
}

.pagination-number:hover:not(.pagination-active) {
    background-color: var(--bg-tertiary);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-1px);
}

.pagination-number.pagination-active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    cursor: default;
    box-shadow: var(--shadow-sm);
}

.pagination-ellipsis {
    padding: 0 var(--spacing-xs);
    color: var(--text-muted);
    font-weight: 500;
    user-select: none;
}

.pagination-info {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-align: center;
    margin-top: var(--spacing-sm);
    font-weight: 500;
}

/* ===== Responsive Design ===== */

/* Tablet */
@media (max-width: 968px) {
    .results-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .filter-panel {
        max-width: 100%;
        right: -100%;
    }

    .header-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .nav {
        gap: var(--spacing-md);
    }

    .nav-link {
        font-size: 0.875rem;
    }

    .hero-search {
        padding: var(--spacing-xl) 0;
    }

    .hero-title {
        font-size: 1.75rem;
    }

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

    .search-box {
        flex-direction: column;
        padding: var(--spacing-md);
    }

    .search-input {
        width: 100%;
        padding: var(--spacing-md);
    }

    .search-btn {
        width: 100%;
        padding: var(--spacing-md);
    }

    .results-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .results-title {
        font-size: 1.5rem;
    }

    .results-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .job-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .job-card-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .pagination {
        flex-wrap: wrap;
        justify-content: center;
    }

    .pagination-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.875rem;
    }

    .pagination-number {
        min-width: 36px;
        height: 36px;
        font-size: 0.875rem;
    }

    .pagination-numbers {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 0.875rem;
    }

    .search-icon {
        margin-left: var(--spacing-sm);
    }

    .logo-img {
        height: 32px;
    }

    .pagination-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.8rem;
    }

    .pagination-btn svg {
        width: 14px !important;
        height: 14px !important;
        min-width: 14px;
        max-width: 14px;
        min-height: 14px;
        max-height: 14px;
    }

    .pagination-number {
        min-width: 32px;
        height: 32px;
        font-size: 0.8rem;
    }

    .pagination-info {
        font-size: 0.8rem;
    }
}

/* ===== Utility Classes ===== */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

/* ===== Animations ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.job-card {
    animation: fadeIn 0.4s ease-out;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus styles for accessibility */
*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}