/* ========================================
   MODERN SECTIONS STYLING
   Consistent design voor alle content secties
   ======================================== */

/* ===== Floating Navigation Sidebar ===== */
.modern-nav {
    position: fixed;
    top: 50%;
    right: 30px;
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 16px 12px;
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(30px);
    border-radius: 20px;
    border: 1px solid rgba(148, 163, 184, 0.15);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

[data-theme="light"] .modern-nav {
    background: rgba(255, 255, 255, 0.8);
    border-color: rgba(148, 163, 184, 0.25);
}

.nav-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Brand logo at top left */
.nav-brand {
    position: fixed;
    top: 30px;
    left: 40px;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 999;
    padding: 12px 20px;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(20px);
    border-radius: 50px;
    border: 1px solid rgba(148, 163, 184, 0.1);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

[data-theme="light"] .nav-brand {
    background: rgba(255, 255, 255, 0.7);
}

.nav-brand:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
}

.nav-logo {
    font-size: 1.5rem;
    line-height: 1;
}

.nav-brand-text {
    font-size: 1.25rem;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea 0%, #f093fb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-items: stretch;
}

/* Navigation items with icons + labels */
.nav-link {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    border-radius: 50px;
    background: rgba(148, 163, 184, 0.15);
    border: 1px solid rgba(148, 163, 184, 0.2);
    transition: all 0.3s ease;
    cursor: pointer;
    text-decoration: none;
    min-width: 140px;
}

.nav-link .nav-icon {
    display: block;
    font-size: 1.2rem;
    line-height: 1;
}

.nav-link span:not(.nav-icon) {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text, #f1f5f9);
    white-space: nowrap;
}

[data-theme="light"] .nav-link span:not(.nav-icon) {
    color: #1e293b;
}

.nav-link:hover {
    background: rgba(99, 102, 241, 0.25);
    border-color: rgba(99, 102, 241, 0.5);
    transform: translateX(-4px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.nav-link.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: rgba(102, 126, 234, 0.6);
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.5);
    transform: translateX(-8px);
}

.nav-link.active span:not(.nav-icon) {
    color: white;
}

.nav-link.active:hover {
    transform: translateX(-10px);
    box-shadow: 0 0 24px rgba(102, 126, 234, 0.7);
}

/* Admin link - different style */
.nav-link-admin {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.4);
    margin-top: 8px;
}

.nav-link-admin:hover {
    background: rgba(239, 68, 68, 0.35);
    border-color: rgba(239, 68, 68, 0.6);
}

.nav-link-admin.active {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

.nav-toggle {
    display: none;
}

/* Mobile Navigation */
@media (max-width: 968px) {
    .modern-nav {
        top: auto;
        bottom: 20px;
        right: 50%;
        transform: translateX(50%);
        flex-direction: row;
        padding: 12px 16px;
        border-radius: 50px;
        gap: 12px;
        max-width: 90vw;
        overflow-x: auto;
    }

    .nav-brand {
        top: 20px;
        left: 20px;
        padding: 10px 16px;
    }

    .nav-logo {
        font-size: 1.25rem;
    }

    .nav-brand-text {
        font-size: 1rem;
    }

    .nav-menu {
        flex-direction: row;
        gap: 8px;
    }

    .nav-link {
        min-width: auto;
        padding: 8px 12px;
        gap: 6px;
    }

    .nav-link span:not(.nav-icon) {
        font-size: 0.75rem;
    }

    .nav-link .nav-icon {
        font-size: 1rem;
    }

    .nav-link:hover {
        transform: translateY(-2px);
    }

    .nav-link.active {
        transform: translateY(-4px);
    }

    .nav-link.active:hover {
        transform: translateY(-6px);
    }

    .nav-link-admin {
        margin-top: 0;
        margin-left: 4px;
    }
}

@media (max-width: 480px) {
    .modern-nav {
        bottom: 15px;
        padding: 10px 12px;
        gap: 6px;
    }

    .nav-brand {
        padding: 8px 12px;
    }

    .nav-brand-text {
        display: none;
    }

    .nav-menu {
        gap: 6px;
    }

    .nav-link {
        padding: 6px 10px;
        gap: 4px;
        min-width: auto;
    }

    .nav-link span:not(.nav-icon) {
        display: none;
    }

    .nav-link .nav-icon {
        font-size: 1.1rem;
    }
}

/* ===== Container and Page Layout ===== */
.container {
    margin-top: 0;
    padding-top: 40px;
}

/* ===== Section Transitions ===== */
.section-content {
    animation: fadeInSection 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: top center;
}

@keyframes fadeInSection {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.section-content.hidden {
    display: none;
}

/* Smoother hide animation */
.section-content.hiding {
    animation: fadeOutSection 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes fadeOutSection {
    from {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    to {
        opacity: 0;
        transform: translateY(-10px) scale(0.99);
    }
}

/* ===== Base Section Styles ===== */
.main-card {
    background: rgba(30, 41, 59, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(148, 163, 184, 0.15);
    border-radius: 24px;
    padding: 48px 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

[data-theme="light"] .main-card {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(148, 163, 184, 0.2);
}

.main-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2, #f093fb);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.main-card:hover::before {
    opacity: 1;
}

.main-card h2 {
    font-size: 2rem;
    font-weight: 800;
    margin: 0 0 12px 0;
    background: linear-gradient(135deg, #667eea 0%, #f093fb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.main-card > p {
    color: var(--text-secondary, #94a3b8);
    font-size: 1.1rem;
    margin-bottom: 32px;
    line-height: 1.6;
}

/* ===== Bulk Shortener Section ===== */
#section-bulk {
    position: relative;
}

#section-bulk::after {
    content: '⚡';
    position: absolute;
    top: 40px;
    right: 40px;
    font-size: 4rem;
    opacity: 0.1;
    pointer-events: none;
}

#bulk_urls {
    width: 100%;
    padding: 20px;
    background: rgba(0, 0, 0, 0.2);
    border: 2px solid rgba(148, 163, 184, 0.2);
    border-radius: 16px;
    color: var(--text, #f1f5f9);
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 0.95rem;
    line-height: 1.8;
    resize: vertical;
    min-height: 240px;
    transition: all 0.3s ease;
}

[data-theme="light"] #bulk_urls {
    background: rgba(241, 245, 249, 0.8);
    color: #1e293b;
}

#bulk_urls:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
    background: rgba(0, 0, 0, 0.3);
}

#bulk_count {
    display: inline-block;
    margin-top: 12px;
    padding: 8px 16px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2), rgba(240, 147, 251, 0.2));
    border: 1px solid rgba(102, 126, 234, 0.3);
    border-radius: 20px;
    font-weight: 600;
    color: var(--text, #f1f5f9);
    font-size: 0.9rem;
}

.bulk-results {
    margin-top: 32px;
    display: grid;
    gap: 16px;
}

.bulk-result-item {
    background: rgba(100, 116, 139, 0.1);
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 16px;
    padding: 20px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 16px;
    align-items: center;
    transition: all 0.3s ease;
}

.bulk-result-item:hover {
    background: rgba(100, 116, 139, 0.15);
    border-color: rgba(99, 102, 241, 0.4);
    transform: translateX(4px);
}

.bulk-result-item.success {
    border-left: 4px solid #43e97b;
}

.bulk-result-item.error {
    border-left: 4px solid #ef4444;
}

.bulk-result-icon {
    font-size: 1.5rem;
}

.bulk-result-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.bulk-result-short {
    font-weight: 700;
    color: #667eea;
    font-size: 1.1rem;
}

.bulk-result-original {
    color: var(--text-secondary, #94a3b8);
    font-size: 0.9rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ===== Secrets Section ===== */
#section-secrets {
    position: relative;
}

#section-secrets::after {
    content: '🔐';
    position: absolute;
    top: 40px;
    right: 40px;
    font-size: 4rem;
    opacity: 0.1;
    pointer-events: none;
}

.security-features-box {
    background: linear-gradient(135deg, rgba(67, 233, 123, 0.1), rgba(56, 249, 215, 0.1));
    border: 2px solid rgba(67, 233, 123, 0.3);
    border-radius: 16px;
    padding: 24px;
    margin-top: 24px;
}

.security-features-box h4 {
    margin: 0 0 12px 0;
    color: #43e97b;
    font-size: 1.1rem;
    font-weight: 700;
}

.security-features-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

@media (max-width: 768px) {
    .security-features-list {
        grid-template-columns: 1fr;
    }
}

.security-features-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary, #94a3b8);
    font-size: 0.95rem;
}

.security-features-list li::before {
    content: '✓';
    color: #43e97b;
    font-weight: 700;
    font-size: 1.2rem;
}

.warning-box {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(220, 38, 38, 0.1));
    border: 2px solid rgba(239, 68, 68, 0.4);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 24px;
}

.warning-box p {
    margin: 0;
    color: #fca5a5;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 12px;
}

.warning-box span {
    color: #ef4444;
    font-weight: 800;
}

/* ===== History Section ===== */
#section-history {
    position: relative;
}

#section-history::after {
    content: '📜';
    position: absolute;
    top: 40px;
    right: 40px;
    font-size: 4rem;
    opacity: 0.1;
    pointer-events: none;
}

.history-controls {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.history-empty {
    text-align: center;
    padding: 80px 20px;
}

.history-empty-icon {
    font-size: 5rem;
    margin-bottom: 20px;
    opacity: 0.3;
}

.history-empty h3 {
    font-size: 1.5rem;
    color: var(--text, #f1f5f9);
    margin: 0 0 12px 0;
}

.history-empty p {
    color: var(--text-secondary, #94a3b8);
    font-size: 1.1rem;
}

.link-card {
    background: rgba(100, 116, 139, 0.1);
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 16px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.link-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, #667eea, #f093fb);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.link-card:hover {
    background: rgba(100, 116, 139, 0.15);
    border-color: rgba(99, 102, 241, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.link-card:hover::before {
    opacity: 1;
}

.link-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
    gap: 16px;
}

.link-card-title {
    flex: 1;
}

.link-card-short {
    font-size: 1.3rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 8px;
    word-break: break-all;
}

.link-card-original {
    color: var(--text-secondary, #94a3b8);
    font-size: 0.95rem;
    word-break: break-all;
}

.link-card-meta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    padding-top: 16px;
    border-top: 1px solid rgba(148, 163, 184, 0.1);
}

.link-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary, #94a3b8);
    font-size: 0.85rem;
}

.link-meta-item strong {
    color: var(--text, #f1f5f9);
}

/* ===== Stats Section ===== */
#section-stats {
    position: relative;
}

#section-stats::after {
    content: '📊';
    position: absolute;
    top: 40px;
    right: 40px;
    font-size: 4rem;
    opacity: 0.1;
    pointer-events: none;
}

.stats-grid-enhanced {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

@media (max-width: 1200px) {
    .stats-grid-enhanced {
        grid-template-columns: repeat(2, 1fr);
    }
}

.stat-card-enhanced {
    background: rgba(100, 116, 139, 0.1);
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 20px;
    padding: 32px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card-enhanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(240, 147, 251, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stat-card-enhanced:hover {
    transform: translateY(-4px);
    border-color: rgba(99, 102, 241, 0.4);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.stat-card-enhanced:hover::before {
    opacity: 1;
}

.stat-card-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.stat-card-value {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea, #f093fb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}

.stat-card-label {
    color: var(--text-secondary, #94a3b8);
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    z-index: 1;
}

.stats-chart-container {
    background: rgba(100, 116, 139, 0.05);
    border: 1px solid rgba(148, 163, 184, 0.1);
    border-radius: 20px;
    padding: 32px;
    margin-top: 24px;
}

.stats-chart-container h3 {
    margin: 0 0 24px 0;
    font-size: 1.5rem;
    color: var(--text, #f1f5f9);
}

/* ===== API Docs Section ===== */
#section-docs {
    position: relative;
}

#section-docs::after {
    content: '🔌';
    position: absolute;
    top: 40px;
    right: 40px;
    font-size: 4rem;
    opacity: 0.1;
    pointer-events: none;
}

.api-endpoint {
    background: rgba(100, 116, 139, 0.1);
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 24px;
    transition: all 0.3s ease;
}

.api-endpoint:hover {
    background: rgba(100, 116, 139, 0.15);
    border-color: rgba(99, 102, 241, 0.4);
}

.api-endpoint-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.api-method {
    padding: 6px 12px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.api-method.get {
    background: linear-gradient(135deg, #43e97b, #38f9d7);
    color: #0f172a;
}

.api-method.post {
    background: linear-gradient(135deg, #4facfe, #00f2fe);
    color: white;
}

.api-method.delete {
    background: linear-gradient(135deg, #f5576c, #c92a2a);
    color: white;
}

.api-endpoint-path {
    font-family: 'Monaco', 'Consolas', monospace;
    color: #667eea;
    font-weight: 600;
    font-size: 1.1rem;
}

.api-endpoint-description {
    color: var(--text-secondary, #94a3b8);
    margin-bottom: 16px;
    line-height: 1.6;
}

.api-code-block {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 12px;
    padding: 20px;
    margin-top: 12px;
    overflow-x: auto;
}

[data-theme="light"] .api-code-block {
    background: rgba(241, 245, 249, 0.8);
}

.api-code-block pre {
    margin: 0;
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 0.9rem;
    color: #4facfe;
    line-height: 1.6;
}

.api-code-block code {
    color: #4facfe;
}

.api-params {
    margin-top: 16px;
}

.api-params h4 {
    margin: 0 0 12px 0;
    font-size: 1rem;
    color: var(--text, #f1f5f9);
}

.api-param {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 12px;
    padding: 12px;
    background: rgba(100, 116, 139, 0.05);
    border-radius: 8px;
    margin-bottom: 8px;
}

.api-param-name {
    font-family: 'Monaco', 'Consolas', monospace;
    font-weight: 600;
    color: #f093fb;
}

.api-param-desc {
    color: var(--text-secondary, #94a3b8);
    font-size: 0.95rem;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .main-card {
        padding: 32px 24px;
    }

    .main-card h2 {
        font-size: 1.75rem;
    }

    .bulk-result-item {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .link-card-header {
        flex-direction: column;
    }

    .history-controls {
        flex-direction: column;
    }

    .stats-grid-enhanced {
        grid-template-columns: 1fr;
    }

    .api-param {
        grid-template-columns: 1fr;
    }
}