/* UWU Publications - CSS Stylesheet */
/* Color Scheme */
:root {
    --primary-navy: #00254e;
    --secondary-navy: #17365d;
    --green: #135100;
    --light-blue: #d3dfee;
    --lighter-blue: #f5f8fc;
    --border-color: #b8c9e0;
    --success-bg: #e8f4e1;
    --success-color: #135100;
    --error-color: #dc3545;
    --text-dark: #333;
    --text-light: #666;
    --white: #ffffff;
}

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

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

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background-color: var(--primary-navy);
    color: var(--white);
    padding: 1.5rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo h1 {
    font-size: 1.8rem;
    margin-bottom: 0.2rem;
}

.logo p {
    font-size: 0.9rem;
    color: var(--light-blue);
}

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

.nav-link {
    color: var(--white);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.nav-link:hover,
.nav-link.active {
    background-color: var(--secondary-navy);
}

/* Main Content */
.main-content {
    padding: 2rem 0;
    min-height: calc(100vh - 200px);
}

/* Statistics Section */
.stats-section {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.stats-section h2 {
    color: var(--primary-navy);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    background: linear-gradient(135deg, var(--primary-navy), var(--secondary-navy));
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    color: var(--white);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Filter Section */
.filter-section {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.filter-section h2 {
    color: var(--primary-navy);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.search-bar {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.search-input {
    flex: 1;
    min-width: 300px;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
}

.filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

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

.filter-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--primary-navy);
}

.filter-select,
.filter-input {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.95rem;
    background-color: var(--white);
}

.filter-actions {
    grid-column: 1 / -1;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

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

.btn-primary:hover {
    background-color: var(--secondary-navy);
}

.btn-secondary {
    background-color: var(--text-light);
    color: var(--white);
}

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

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

.btn-success:hover {
    background-color: #0d3d00;
}

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

.btn-danger:hover {
    background-color: #c82333;
}

.btn-small {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
}

.btn-block {
    width: 100%;
}

/* View Section */
.view-section {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.view-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.view-controls h2 {
    color: var(--primary-navy);
    font-size: 1.5rem;
}

.view-toggle {
    display: flex;
    gap: 0.5rem;
}

.view-btn {
    padding: 0.5rem 1rem;
    border: 2px solid var(--primary-navy);
    background-color: var(--white);
    color: var(--primary-navy);
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s;
}

.view-btn:hover {
    background-color: var(--light-blue);
}

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

/* Table View */
.table-container {
    overflow-x: auto;
}

.publications-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
}

.publications-table th {
    background-color: var(--primary-navy);
    color: var(--white);
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    white-space: nowrap;
}

.publications-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.publications-table tbody tr:hover {
    background-color: var(--lighter-blue);
}

.publications-table tbody tr:nth-child(even) {
    background-color: #fafbfc;
}

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

/* Card View */
.cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
}

.publication-card {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    transition: transform 0.3s, box-shadow 0.3s;
}

.publication-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.15);
}

.card-year {
    display: inline-block;
    background-color: var(--primary-navy);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

.card-title {
    color: var(--primary-navy);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.card-author {
    color: var(--text-dark);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.card-journal {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    font-style: italic;
}

.card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.card-badge {
    background-color: var(--light-blue);
    color: var(--primary-navy);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.page-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    background-color: var(--white);
    color: var(--primary-navy);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.page-btn:hover:not(:disabled) {
    background-color: var(--light-blue);
}

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

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Footer */
.footer {
    background-color: var(--primary-navy);
    color: var(--white);
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 3rem;
}

/* Login Page */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 2rem;
    background: linear-gradient(135deg, var(--primary-navy), var(--secondary-navy));
}

.login-box {
    background-color: var(--white);
    padding: 3rem;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    width: 100%;
    max-width: 400px;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h1 {
    color: var(--primary-navy);
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.login-form .form-group {
    margin-bottom: 1.5rem;
}

.login-footer {
    text-align: center;
    margin-top: 1.5rem;
}

.link {
    color: var(--primary-navy);
    text-decoration: none;
}

.link:hover {
    text-decoration: underline;
}

/* Form Styles */
.form-section {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.form-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.form-header h2 {
    color: var(--primary-navy);
    font-size: 1.5rem;
}

.publication-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

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

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

.required {
    color: var(--error-color);
}

.form-control {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-navy);
    box-shadow: 0 0 0 3px rgba(0, 37, 78, 0.1);
}

textarea.form-control {
    resize: vertical;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

/* List Section */
.list-section {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.list-section h2 {
    color: var(--primary-navy);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
}

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

.modal.show {
    display: flex;
}

.modal-content {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 8px;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.modal-content h3 {
    color: var(--primary-navy);
    margin-bottom: 1rem;
}

.modal-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    justify-content: flex-end;
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-success {
    background-color: var(--success-bg);
    color: var(--success-color);
    border: 1px solid #c3e6cb;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
    }
    
    .nav {
        flex-direction: column;
        width: 100%;
    }
    
    .nav-link {
        text-align: center;
    }
    
    .search-bar {
        flex-direction: column;
    }
    
    .search-input {
        width: 100%;
        min-width: auto;
    }
    
    .filters {
        grid-template-columns: 1fr;
    }
    
    .view-controls {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .cards-container {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .action-buttons {
        flex-direction: column;
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .filter-section,
    .view-toggle,
    .action-buttons,
    .pagination {
        display: none !important;
    }
    
    .publications-table {
        font-size: 0.8rem;
    }
    
    .publications-table th,
    .publications-table td {
        padding: 0.5rem;
    }
}