/* styles.css - BIBB Thesaurus (ORCID zu DSpace Layout) */

/* ===========================
   Variablen & Reset
   =========================== */
:root {
    --primary-color: #1a3a5c;
    --primary-light: #2a5a8c;
    --primary-dark: #0f2840;
    --secondary-color: #006699;
    --accent-color: #00a3cc;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    
    --text-primary: #333;
    --text-secondary: #666;
    --text-muted: #999;
    
    --bg-gradient: linear-gradient(135deg, #e8eef5 0%, #f0f4f8 100%);
    --bg-light: #f8f9fa;
    --bg-lighter: #fafbfc;
    --border-color: #e0e0e0;
    --border-light: #f0f0f0;
    
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    --transition: all 0.3s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-gradient);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===========================
   Layout Container
   =========================== */
.page-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.main-content {
    flex: 1;
    padding: 40px 0;
}

/* ===========================
   Header & Navigation
   =========================== */
.site-header {
    background: var(--primary-color);
    color: white;
    padding: 0;
    box-shadow: var(--shadow-md);
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.site-logo {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: white;
}

.site-title {
    font-size: 1.4em;
    font-weight: 700;
    color: white;
}

.site-subtitle {
    font-size: 0.85em;
    opacity: 0.8;
    font-weight: 400;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 5px;
    margin: 0;
    padding: 0;
}

.main-nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    display: block;
    font-size: 0.95em;
}

.main-nav a:hover,
.main-nav a.active {
    background: rgba(255,255,255,0.15);
}

/* ===========================
   Cards
   =========================== */
.card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 35px 40px;
    margin-bottom: 30px;
}

.card-title {
    font-size: 1.6em;
    font-weight: 600;
    color: var(--primary-color);
    margin: 0 0 15px 0;
}

.card-description {
    color: var(--text-secondary);
    font-size: 1em;
    margin-bottom: 30px;
}

/* ===========================
   Nav Cards (Feature Cards)
   =========================== */
.nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 10px;
}

.nav-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 25px 30px;
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--border-color);
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
    display: block;
}

.nav-card:hover {
    border-left-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.nav-card-icon {
    font-size: 2.5em;
    margin-bottom: 15px;
    display: block;
}

.nav-card h3 {
    font-size: 1.15em;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.nav-card p {
    color: var(--text-secondary);
    font-size: 0.9em;
    margin: 0;
    line-height: 1.5;
}

/* ===========================
   Section Headers
   =========================== */
.section-title {
    font-size: 1.3em;
    font-weight: 600;
    color: var(--text-primary);
    margin: 30px 0 20px 0;
}

/* ===========================
   Project Items / List Items
   =========================== */
.project-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.project-item {
    background: white;
    border-radius: var(--radius-md);
    padding: 20px 25px;
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--primary-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.project-item:hover {
    box-shadow: var(--shadow-sm);
}

.project-info h4 {
    font-size: 1.1em;
    font-weight: 600;
    color: var(--primary-color);
    margin: 0 0 5px 0;
}

.project-meta {
    font-size: 0.85em;
    color: var(--text-muted);
}

.project-actions {
    display: flex;
    gap: 10px;
}

/* ===========================
   Buttons
   =========================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9em;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

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

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

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

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

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

.btn-success:hover {
    background: #218838;
}

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

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

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

.btn-info:hover {
    background: #138496;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

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

.btn-sm {
    padding: 6px 14px;
    font-size: 0.85em;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1em;
}

/* ===========================
   Tables - Bootstrap Table Anpassungen
   =========================== */
.fixed-table-container {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.fixed-table-toolbar {
    background: var(--bg-light);
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
}

.fixed-table-toolbar .search input {
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    padding: 10px 15px;
    font-size: 0.95em;
}

.fixed-table-toolbar .search input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26,58,92,0.1);
    outline: none;
}

.bootstrap-table .table {
    margin-bottom: 0;
}

.bootstrap-table .table thead th {
    background: var(--primary-color);
    color: white;
    font-weight: 600;
    border: none;
    padding: 14px 12px;
    font-size: 0.95em;
}

.bootstrap-table .table tbody tr {
    transition: var(--transition);
}

.bootstrap-table .table tbody tr:hover {
    background: rgba(26,58,92,0.03);
}

.bootstrap-table .table tbody td {
    padding: 14px 12px;
    vertical-align: middle;
    border-color: var(--border-light);
}

/* Suchfeld doppelt so breit */
.bootstrap-table .search input.form-control {
    width: 400px;  /* Standard ist ~200px, Wert nach Bedarf anpassen */
}

.fixed-table-pagination {
    padding: 15px 20px;
    background: var(--bg-light);
    border-top: 1px solid var(--border-color);
}

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

.page-link {
    color: var(--primary-color);
    padding: 8px 14px;
}

.page-link:hover {
    color: var(--primary-dark);
    background: var(--bg-light);
}

/* Action Buttons in Tabelle */
.table-actions {
    display: flex;
    gap: 6px;
    justify-content: center;
}

.table-actions .btn {
    width: 34px;
    height: 34px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
}

.table-actions .btn:hover {
    transform: scale(1.1);
}

/* ===========================
   Forms
   =========================== */
.form-group {
    margin-bottom: 20px;
}

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

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1em;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26,58,92,0.1);
    outline: none;
}

.form-control:disabled {
    background: var(--bg-light);
    cursor: not-allowed;
    color: var(--text-muted);
}

.form-select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1em;
    background: white;
    cursor: pointer;
}

.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26,58,92,0.1);
    outline: none;
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

/* ===========================
   Modals
   =========================== */
.modal-content {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.modal-header {
    background: var(--primary-color);
    color: white;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    padding: 18px 25px;
    border-bottom: none;
}

.modal-header .modal-title {
    font-weight: 600;
    font-size: 1.15em;
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-header .btn-close {
    filter: brightness(0) invert(1);
    opacity: 0.8;
}

.modal-header .btn-close:hover {
    opacity: 1;
}

.modal-body {
    padding: 30px;
}

.modal-footer {
    padding: 18px 25px;
    border-top: 1px solid var(--border-light);
    background: var(--bg-lighter);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    gap: 10px;
}

/* ===========================
   Alerts
   =========================== */
.alert {
    padding: 15px 20px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    border: none;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert i {
    font-size: 1.2em;
}

.alert-success {
    background: #d4edda;
    color: #155724;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
}

.alert-warning {
    background: #fff3cd;
    color: #856404;
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
}

/* ===========================
   Autocomplete Dropdown
   =========================== */
.autocomplete-dropdown {
    position: fixed;
    z-index: 9999;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    max-height: 300px;
    overflow-y: auto;
}

.autocomplete-dropdown .dropdown-item {
    padding: 12px 16px;
    cursor: pointer;
    color: var(--text-primary);
    text-decoration: none;
    display: block;
    transition: var(--transition);
    border-bottom: 1px solid var(--border-light);
}

.autocomplete-dropdown .dropdown-item:last-child {
    border-bottom: none;
}

.autocomplete-dropdown .dropdown-item:hover,
.autocomplete-dropdown .dropdown-item.active {
    background: var(--primary-color);
    color: white;
}

/* ===========================
   Relations Table
   =========================== */
.relations-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

.relations-table th {
    background: var(--bg-light);
    padding: 12px 15px;
    text-align: left;
    font-weight: 600;
    border-bottom: 2px solid var(--border-color);
    color: var(--text-secondary);
}

.relations-table td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-light);
}

.relations-table tr:hover {
    background: rgba(26,58,92,0.02);
}

/* ===========================
   Stats Grid
   =========================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.stat-item {
    background: var(--bg-light);
    padding: 20px;
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid var(--border-light);
}

.stat-number {
    font-size: 2.2em;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.stat-label {
    font-size: 0.9em;
    color: var(--text-secondary);
    margin-top: 8px;
}

/* ===========================
   Footer
   =========================== */
.site-footer {
    background: var(--primary-dark);
    color: white;
    padding: 20px 0;
    margin-top: auto;
}

.site-footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-links {
    list-style: none;
    display: flex;
    gap: 25px;
    margin: 0;
    padding: 0;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9em;
}

.footer-links a:hover {
    color: white;
}

.footer-copyright {
    color: rgba(255,255,255,0.6);
    font-size: 0.85em;
}

/* ===========================
   Utilities
   =========================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }

.mt-10 { margin-top: 10px; }
.mt-20 { margin-top: 20px; }
.mt-30 { margin-top: 30px; }

.mb-10 { margin-bottom: 10px; }
.mb-20 { margin-bottom: 20px; }
.mb-30 { margin-bottom: 30px; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }

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

.gap-10 { gap: 10px; }
.gap-20 { gap: 20px; }

.w-100 { width: 100%; }

/* ===========================
   Responsive
   =========================== */
@media (max-width: 992px) {
    .site-header .container {
        flex-direction: column;
        gap: 15px;
    }
    
    .main-nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .card {
        padding: 25px;
    }
    
    .nav-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .site-footer .container {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .project-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .project-actions {
        width: 100%;
    }
    
    .project-actions .btn {
        flex: 1;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .card-title {
        font-size: 1.3em;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .table-actions {
        flex-direction: column;
    }
}

/* ===========================
   Print Styles
   =========================== */
@media print {
    .site-header,
    .site-footer,
    .btn,
    .table-actions {
        display: none;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid var(--border-color);
    }
    
    body {
        background: white;
    }
}