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

:root {
    --primary-color: #6366f1;
    --secondary-color: #ec4899;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --light-bg: #f8fafc;
    --dark-bg: #1e293b;
    --border-color: #e2e8f0;
    --text-color: #1e293b;
    --text-light: #64748b;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--light-bg);
    color: var(--text-color);
    line-height: 1.6;
}

/* Navbar */
.navbar {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-brand i {
    font-size: 2rem;
}

.nav-buttons {
    display: flex;
    gap: 1rem;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

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

.btn-primary:hover {
    background-color: #4f46e5;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background-color: #94a3b8;
    color: white;
}

.btn-secondary:hover {
    background-color: #64748b;
}

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

.btn-success:hover {
    background-color: #059669;
}

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

.btn-danger:hover {
    background-color: #dc2626;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 200;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-content {
    background-color: #fefefe;
    margin: 10% auto;
    padding: 2rem;
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    width: 90%;
    max-width: 600px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.admin-dashboard {
    max-width: 900px;
    max-height: 80vh;
    overflow-y: auto;
}

.job-details {
    max-width: 700px;
}

.close {
    color: #aaa;
    float: right;
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
}

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

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

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-color);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 4rem 2rem;
    text-align: center;
    border-radius: 1rem;
    margin: 2rem 0;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.search-bar {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.search-bar input {
    flex: 1;
    min-width: 300px;
    padding: 1rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
}

/* Filters */
.filters-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
    align-items: flex-end;
}

.filter-group {
    display: flex;
    flex-direction: column;
}

.filter-group label {
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.filter-group select {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    background-color: white;
}

/* Jobs Section */
.jobs-section {
    margin: 2rem 0;
}

.jobs-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.job-tab-btn {
    padding: 0.75rem 1.5rem;
    background-color: white;
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 500;
}

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

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

.jobs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

/* Job Card */
.job-card {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

.job-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

.job-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.job-company {
    color: var(--secondary-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.job-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin: 1rem 0;
    font-size: 0.9rem;
    color: var(--text-light);
}

.job-meta-item {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.job-description {
    color: var(--text-light);
    margin: 1rem 0;
    line-height: 1.5;
    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: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.job-footer .btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.last-date {
    color: var(--danger-color);
    font-weight: 600;
}

/* Job Details */
.job-details-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.job-details-header {
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 1rem;
}

.job-details-header h2 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.job-details-body {
    display: grid;
    gap: 1rem;
}

.detail-row {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 1rem;
}

.detail-row strong {
    color: var(--primary-color);
}

.detail-row p {
    word-break: break-word;
}

/* Admin Tabs */
.admin-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
    flex-wrap: wrap;
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-light);
    transition: all 0.3s;
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

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

.logout-btn {
    margin-left: auto;
    color: var(--danger-color);
}

.logout-btn:hover {
    color: #dc2626;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

/* Admin Jobs List */
.admin-job-item {
    background-color: var(--light-bg);
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 0.5rem;
    border-left: 4px solid var(--primary-color);
}

.admin-job-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.admin-job-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.admin-job-actions .btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

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

.stat-card {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.stat-card h4 {
    margin-bottom: 1rem;
    font-size: 1rem;
    opacity: 0.9;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: bold;
}

/* Footer */
.footer {
    background-color: var(--dark-bg);
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 4rem;
}

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

/* Loading */
.loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-light);
}

/* Alert Messages */
.alert {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 0.5rem;
    animation: slideIn 0.3s ease;
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
    border-left: 4px solid var(--success-color);
}

.alert-error {
    background-color: #fee2e2;
    color: #7f1d1d;
    border-left: 4px solid var(--danger-color);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-light);
}

.empty-state i {
    font-size: 3rem;
    color: var(--border-color);
    margin-bottom: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2rem;
    }

    .search-bar {
        flex-direction: column;
    }

    .search-bar input {
        min-width: unset;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .jobs-grid {
        grid-template-columns: 1fr;
    }

    .detail-row {
        grid-template-columns: 1fr;
    }

    .job-footer {
        flex-direction: column;
        gap: 1rem;
    }

    .admin-dashboard {
        margin: 20% auto;
        width: 95%;
    }

    .admin-tabs {
        overflow-x: auto;
    }
}