/* ═══════════════════════════════════════════════════════════════
   CtrlTab - Theme System
   ═══════════════════════════════════════════════════════════════ */

/* --- Light Theme (Default) --- */
:root {
    /* Colors */
    --color-neon-pink: #d63384;
    --color-neon-cyan: #0d6efd;
    --color-neon-purple: #6f42c1;
    --color-neon-lime: #198754;
    --color-neon-blue: #0d6efd;

    /* Backgrounds */
    --color-bg-primary: #ffffff;
    --color-bg-secondary: #f8f9fa;
    --color-bg-tertiary: #e9ecef;
    --color-bg-elevated: #ffffff;

    /* Text */
    --color-text-primary: #212529;
    --color-text-secondary: #495057;
    --color-text-muted: #868e96;

    /* Typography */
    --font-display: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: SFMono-Regular, Menlo, Monaco, Consolas, monospace;

    /* Glow Effects - disabled in light theme */
    --glow-pink: none;
    --glow-cyan: none;
    --glow-purple: none;
    --glow-lime: none;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Layout */
    --sidebar-width: 300px;
}

/* --- Cyberpunk Theme --- */
[data-theme="cyberpunk"] {
    --color-neon-pink: #ff006e;
    --color-neon-cyan: #00f5ff;
    --color-neon-purple: #8338ec;
    --color-neon-lime: #06ffa5;
    --color-neon-blue: #3a86ff;

    --color-bg-primary: #000000;
    --color-bg-secondary: #0a0a0f;
    --color-bg-tertiary: #151520;
    --color-bg-elevated: #1a1a2e;

    --color-text-primary: #ffffff;
    --color-text-secondary: #b8b8d1;
    --color-text-muted: #6b6b8a;

    --font-display: 'Orbitron', monospace;
    --font-main: 'Rajdhani', sans-serif;
    --font-mono: 'Share Tech Mono', monospace;

    --glow-pink: 0 0 10px var(--color-neon-pink), 0 0 20px var(--color-neon-pink), 0 0 30px var(--color-neon-pink);
    --glow-cyan: 0 0 10px var(--color-neon-cyan), 0 0 20px var(--color-neon-cyan), 0 0 30px var(--color-neon-cyan);
    --glow-purple: 0 0 10px var(--color-neon-purple), 0 0 20px var(--color-neon-purple);
    --glow-lime: 0 0 10px var(--color-neon-lime), 0 0 20px var(--color-neon-lime);
}

/* ═══════════════════════════════════════════════════════════════
   Reset & Base
   ═══════════════════════════════════════════════════════════════ */

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

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ═══════════════════════════════════════════════════════════════
   Cyberpunk Background Effects (only visible in cyberpunk theme)
   ═══════════════════════════════════════════════════════════════ */

.grid-background,
.scan-lines {
    display: none;
}

[data-theme="cyberpunk"] .grid-background {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.15;
    background-image:
        linear-gradient(var(--color-neon-cyan) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-neon-cyan) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridPulse 4s ease-in-out infinite;
}

@keyframes gridPulse {
    0%, 100% { opacity: 0.1; }
    50% { opacity: 0.15; }
}

[data-theme="cyberpunk"] .scan-lines {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 245, 255, 0.03) 0px,
        rgba(0, 245, 255, 0.03) 1px,
        transparent 1px,
        transparent 2px
    );
    animation: scanLineMove 8s linear infinite;
}

@keyframes scanLineMove {
    0% { transform: translateY(0); }
    100% { transform: translateY(50px); }
}

/* ═══════════════════════════════════════════════════════════════
   Layout
   ═══════════════════════════════════════════════════════════════ */

.app-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
    position: relative;
    z-index: 1;
}

/* ═══════════════════════════════════════════════════════════════
   Sidebar
   ═══════════════════════════════════════════════════════════════ */

.sidebar {
    width: var(--sidebar-width);
    background: var(--color-bg-secondary);
    border-right: 1px solid var(--color-bg-tertiary);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    position: relative;
}

[data-theme="cyberpunk"] .sidebar {
    border-right: 2px solid var(--color-neon-cyan);
    box-shadow: 0 0 20px rgba(0, 245, 255, 0.3);
    animation: slideInLeft 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.sidebar::before {
    display: none;
}

[data-theme="cyberpunk"] .sidebar::before {
    content: '';
    display: block;
    position: absolute;
    top: 0;
    right: -2px;
    width: 2px;
    height: 100%;
    background: var(--color-neon-cyan);
    box-shadow: var(--glow-cyan);
    animation: borderPulse 2s ease-in-out infinite;
}

@keyframes borderPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.sidebar-header {
    padding: var(--spacing-xl) var(--spacing-lg);
    border-bottom: 1px solid var(--color-bg-tertiary);
}

[data-theme="cyberpunk"] .sidebar-header {
    border-bottom: 2px solid var(--color-neon-pink);
    box-shadow: 0 2px 20px rgba(255, 0, 110, 0.3);
    background: linear-gradient(135deg, rgba(255, 0, 110, 0.05), rgba(131, 56, 236, 0.05));
}

.logo {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.logo-bracket {
    color: var(--color-neon-cyan);
}

.logo-text {
    color: var(--color-text-primary);
}

.logo-accent {
    color: var(--color-neon-purple);
}

[data-theme="cyberpunk"] .logo {
    font-size: 32px;
    font-weight: 900;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: glitchText 3s infinite;
}

[data-theme="cyberpunk"] .logo-bracket {
    text-shadow: var(--glow-cyan);
}

[data-theme="cyberpunk"] .logo-text {
    color: var(--color-neon-pink);
    text-shadow: var(--glow-pink);
}

[data-theme="cyberpunk"] .logo-accent {
    color: var(--color-neon-lime);
    text-shadow: var(--glow-lime);
    animation: flicker 2s infinite alternate;
}

@keyframes flicker {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

@keyframes glitchText {
    0%, 90%, 100% { transform: translate(0); }
    92% { transform: translate(-2px, 2px); }
    94% { transform: translate(2px, -2px); }
    96% { transform: translate(-2px, -2px); }
}

.subtitle {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-text-muted);
    font-weight: 600;
    font-family: var(--font-mono);
}

[data-theme="cyberpunk"] .subtitle {
    letter-spacing: 0.3em;
    color: var(--color-neon-cyan);
    text-shadow: 0 0 10px var(--color-neon-cyan);
}

.collections-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

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

[data-theme="cyberpunk"] .collections-header {
    border-bottom: 1px solid var(--color-neon-purple);
}

.collections-header .label {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-text-muted);
    font-weight: 700;
    font-family: var(--font-main);
}

[data-theme="cyberpunk"] .collections-header .label {
    color: var(--color-neon-purple);
    text-shadow: 0 0 10px var(--color-neon-purple);
}

.collections-list {
    list-style: none;
}

.collection-item {
    margin-bottom: var(--spacing-xs);
}

.collection-item button {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--color-text-secondary);
    text-align: left;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
    font-family: var(--font-main);
    position: relative;
    overflow: hidden;
}

.collection-item button::before,
.collection-item button::after {
    display: none;
}

.collection-item button:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

.collection-item button.active {
    background: var(--color-neon-cyan);
    color: #ffffff;
    font-weight: 600;
}

/* Cyberpunk collection items */
[data-theme="cyberpunk"] .collection-item {
    margin-bottom: var(--spacing-sm);
    animation: fadeInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) backwards;
}

[data-theme="cyberpunk"] .collection-item:nth-child(1) { animation-delay: 0.1s; }
[data-theme="cyberpunk"] .collection-item:nth-child(2) { animation-delay: 0.15s; }
[data-theme="cyberpunk"] .collection-item:nth-child(3) { animation-delay: 0.2s; }
[data-theme="cyberpunk"] .collection-item:nth-child(4) { animation-delay: 0.25s; }
[data-theme="cyberpunk"] .collection-item:nth-child(5) { animation-delay: 0.3s; }

[data-theme="cyberpunk"] .collection-item button {
    padding: var(--spacing-md) var(--spacing-lg);
    border: 1px solid var(--color-neon-purple);
    border-radius: 0;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}

[data-theme="cyberpunk"] .collection-item button::before {
    display: block;
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 3px;
    background: var(--color-neon-lime);
    box-shadow: var(--glow-lime);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

[data-theme="cyberpunk"] .collection-item button::after {
    display: block;
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(131, 56, 236, 0.2), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

[data-theme="cyberpunk"] .collection-item button:hover {
    background: transparent;
    border-color: var(--color-neon-cyan);
    color: var(--color-neon-cyan);
    box-shadow: 0 0 15px rgba(0, 245, 255, 0.4);
    transform: translateX(5px);
}

[data-theme="cyberpunk"] .collection-item button:hover::after {
    opacity: 1;
}

[data-theme="cyberpunk"] .collection-item button.active {
    background: linear-gradient(135deg, rgba(255, 0, 110, 0.2), rgba(131, 56, 236, 0.2));
    border-color: var(--color-neon-pink);
    color: var(--color-neon-pink);
    box-shadow: var(--glow-pink);
}

[data-theme="cyberpunk"] .collection-item button.active::before {
    transform: scaleY(1);
}

/* ═══════════════════════════════════════════════════════════════
   Main Content
   ═══════════════════════════════════════════════════════════════ */

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

[data-theme="cyberpunk"] .main-content {
    animation: fadeIn 0.6s ease;
}

.content-header {
    padding: var(--spacing-xl) var(--spacing-2xl);
    border-bottom: 1px solid var(--color-bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    position: relative;
}

.content-header::after {
    display: none;
}

[data-theme="cyberpunk"] .content-header {
    border-bottom: 2px solid var(--color-neon-pink);
    box-shadow: 0 2px 20px rgba(255, 0, 110, 0.3);
    background: linear-gradient(135deg, rgba(255, 0, 110, 0.05), rgba(0, 245, 255, 0.05));
}

[data-theme="cyberpunk"] .content-header::after {
    content: '';
    display: block;
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-neon-pink);
    box-shadow: var(--glow-pink);
}

.collection-title-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex: 1;
}

.collection-title {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text-primary);
}

[data-theme="cyberpunk"] .collection-title {
    font-size: 28px;
    color: var(--color-neon-pink);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    text-shadow: var(--glow-pink);
}

.collection-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.sections-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-2xl);
}

[data-theme="cyberpunk"] .sections-container {
    background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(131, 56, 236, 0.03) 100%);
}

/* Empty state */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--color-text-muted);
}

[data-theme="cyberpunk"] .empty-state {
    animation: fadeIn 0.8s ease;
}

.empty-icon {
    font-size: 80px;
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

[data-theme="cyberpunk"] .empty-icon {
    filter: drop-shadow(0 0 20px var(--color-neon-cyan));
}

.empty-state p {
    font-size: 18px;
    color: var(--color-text-secondary);
}

[data-theme="cyberpunk"] .empty-state p {
    text-shadow: 0 0 10px rgba(0, 245, 255, 0.3);
}

/* ═══════════════════════════════════════════════════════════════
   Sections
   ═══════════════════════════════════════════════════════════════ */

.section {
    margin-bottom: var(--spacing-2xl);
}

[data-theme="cyberpunk"] .section {
    animation: fadeInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) backwards;
}

[data-theme="cyberpunk"] .section:nth-child(1) { animation-delay: 0.1s; }
[data-theme="cyberpunk"] .section:nth-child(2) { animation-delay: 0.2s; }
[data-theme="cyberpunk"] .section:nth-child(3) { animation-delay: 0.3s; }
[data-theme="cyberpunk"] .section:nth-child(4) { animation-delay: 0.4s; }

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-bg-tertiary);
    position: relative;
}

.section-header::after {
    display: none;
}

[data-theme="cyberpunk"] .section-header {
    border-bottom: 2px solid var(--color-neon-purple);
}

[data-theme="cyberpunk"] .section-header::after {
    content: '';
    display: block;
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--color-neon-cyan);
    box-shadow: var(--glow-cyan);
}

.section-title {
    font-family: var(--font-main);
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text-primary);
}

[data-theme="cyberpunk"] .section-title {
    font-size: 20px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-neon-cyan);
    text-shadow: var(--glow-cyan);
}

.section-actions {
    display: flex;
    gap: var(--spacing-sm);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.section:hover .section-actions {
    opacity: 1;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--spacing-lg);
}

/* ═══════════════════════════════════════════════════════════════
   Link Cards - NEON GLOW
   ═══════════════════════════════════════════════════════════════ */

.link-card {
    position: relative;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-bg-tertiary);
    border-radius: 8px;
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: box-shadow 0.15s ease, border-color 0.15s ease;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    text-decoration: none;
    color: inherit;
    overflow: hidden;
}

.link-card::before,
.link-card::after {
    display: none;
}

.link-card:hover {
    border-color: var(--color-neon-cyan);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.link-card:active {
    box-shadow: none;
}

/* Cyberpunk link cards */
[data-theme="cyberpunk"] .link-card {
    background: linear-gradient(135deg, rgba(255, 0, 110, 0.05), rgba(0, 245, 255, 0.05));
    border: 2px solid var(--color-neon-purple);
    border-radius: 0;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}

[data-theme="cyberpunk"] .link-card::before {
    content: '';
    display: block;
    position: absolute;
    inset: -2px;
    background: linear-gradient(45deg, var(--color-neon-pink), var(--color-neon-cyan), var(--color-neon-purple), var(--color-neon-lime));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
    filter: blur(10px);
}

[data-theme="cyberpunk"] .link-card::after {
    content: '';
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-neon-cyan), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

[data-theme="cyberpunk"] .link-card:hover {
    transform: translateY(-4px) scale(1.02);
    border-color: var(--color-neon-cyan);
    box-shadow:
        0 0 30px rgba(0, 245, 255, 0.4),
        0 0 50px rgba(255, 0, 110, 0.2),
        inset 0 0 20px rgba(0, 245, 255, 0.1);
}

[data-theme="cyberpunk"] .link-card:hover::before {
    opacity: 0.3;
    animation: rotateBorder 3s linear infinite;
}

[data-theme="cyberpunk"] .link-card:hover::after {
    opacity: 1;
}

@keyframes rotateBorder {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

[data-theme="cyberpunk"] .link-card:active {
    transform: translateY(-2px) scale(1);
}

.link-favicon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    border: 1px solid var(--color-bg-tertiary);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--color-bg-secondary);
}

[data-theme="cyberpunk"] .link-favicon {
    border: 2px solid var(--color-neon-lime);
    border-radius: 0;
    box-shadow: 0 0 10px rgba(6, 255, 165, 0.5);
    background: var(--color-bg-tertiary);
    clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 6px 100%, 0 calc(100% - 6px));
}

.link-favicon img {
    width: 20px;
    height: 20px;
    object-fit: contain;
}

.link-content {
    flex: 1;
    min-width: 0;
}

.link-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

[data-theme="cyberpunk"] .link-title {
    font-size: 16px;
    font-weight: 700;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.link-url {
    font-size: 13px;
    color: var(--color-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-family: var(--font-mono);
}

[data-theme="cyberpunk"] .link-url {
    color: var(--color-neon-purple);
    text-shadow: 0 0 5px var(--color-neon-purple);
}

.link-actions {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    display: flex;
    gap: var(--spacing-xs);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 2;
}

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

.link-actions .btn-icon {
    width: 28px;
    height: 28px;
    padding: 6px;
}

/* ═══════════════════════════════════════════════════════════════
   Buttons
   ═══════════════════════════════════════════════════════════════ */

/* --- Light theme buttons --- */
.btn-icon {
    width: 36px;
    height: 36px;
    padding: 8px;
    background: transparent;
    border: 1px solid var(--color-bg-tertiary);
    border-radius: 6px;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.btn-icon:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

.btn-text-danger {
    background: none;
    border: none;
    color: #dc3545;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    padding: 6px 12px;
    border-radius: 6px;
    font-family: var(--font-main);
    transition: background 0.15s ease;
    height: 36px;
    display: inline-flex;
    align-items: center;
}

.btn-text-danger:hover {
    background: rgba(220, 53, 69, 0.1);
}

.modal-danger-zone {
    margin-top: var(--spacing-lg);
}

.btn-icon:active {
    transform: scale(0.95);
}

.btn-primary {
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--color-neon-cyan);
    border: none;
    border-radius: 6px;
    color: #ffffff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.15s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-family: var(--font-main);
}

.btn-primary:hover {
    opacity: 0.85;
}

.btn-primary:active {
    opacity: 0.7;
}

.btn-secondary {
    padding: var(--spacing-md) var(--spacing-xl);
    background: transparent;
    border: 1px solid var(--color-bg-tertiary);
    border-radius: 6px;
    color: var(--color-text-secondary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease;
    font-family: var(--font-main);
}

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

.btn-danger {
    padding: var(--spacing-md) var(--spacing-xl);
    background: transparent;
    border: 1px solid #dee2e6;
    border-radius: 6px;
    color: var(--color-text-secondary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
    font-family: var(--font-main);
}

.btn-danger:hover {
    background: #dc3545;
    border-color: #dc3545;
    color: #ffffff;
}

/* --- Cyberpunk theme buttons --- */
[data-theme="cyberpunk"] .btn-icon {
    background: var(--color-bg-tertiary);
    border: 2px solid var(--color-neon-purple);
    border-radius: 0;
    color: var(--color-neon-purple);
    transition: all 0.3s ease;
    clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 6px 100%, 0 calc(100% - 6px));
}

[data-theme="cyberpunk"] .btn-icon:hover {
    background: var(--color-bg-elevated);
    border-color: var(--color-neon-cyan);
    color: var(--color-neon-cyan);
    box-shadow: var(--glow-cyan);
    transform: scale(1.1);
}

[data-theme="cyberpunk"] .btn-text-danger {
    color: var(--color-neon-pink);
    font-family: var(--font-main);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

[data-theme="cyberpunk"] .btn-text-danger:hover {
    background: rgba(255, 0, 110, 0.2);
    box-shadow: var(--glow-pink);
}

[data-theme="cyberpunk"] .btn-primary {
    background: linear-gradient(135deg, var(--color-neon-pink), var(--color-neon-purple));
    border: 2px solid var(--color-neon-pink);
    border-radius: 0;
    font-size: 15px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    box-shadow: var(--glow-pink);
    transition: all 0.3s ease;
    clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

[data-theme="cyberpunk"] .btn-primary:hover {
    opacity: 1;
    box-shadow:
        0 0 20px var(--color-neon-pink),
        0 0 40px var(--color-neon-pink),
        0 0 60px var(--color-neon-pink);
    transform: translateY(-2px);
}

[data-theme="cyberpunk"] .btn-primary:active {
    opacity: 1;
    transform: translateY(0);
}

[data-theme="cyberpunk"] .btn-secondary {
    border: 2px solid var(--color-neon-purple);
    border-radius: 0;
    color: var(--color-neon-purple);
    font-size: 15px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: all 0.3s ease;
    clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

[data-theme="cyberpunk"] .btn-secondary:hover {
    background: rgba(131, 56, 236, 0.2);
    box-shadow: var(--glow-purple);
}

[data-theme="cyberpunk"] .btn-danger {
    border: 2px solid var(--color-neon-pink);
    border-radius: 0;
    color: var(--color-neon-pink);
    font-size: 15px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: all 0.3s ease;
    clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

[data-theme="cyberpunk"] .btn-danger:hover {
    background: var(--color-neon-pink);
    color: var(--color-bg-primary);
    box-shadow: var(--glow-pink);
}

/* ═══════════════════════════════════════════════════════════════
   Modal
   ═══════════════════════════════════════════════════════════════ */

.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
}

.modal.active {
    display: flex;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
}

[data-theme="cyberpunk"] .modal-backdrop {
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(8px);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    position: relative;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-bg-tertiary);
    border-radius: 12px;
    width: 100%;
    max-width: 500px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

[data-theme="cyberpunk"] .modal-content {
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.95), rgba(10, 10, 15, 0.95));
    border: 2px solid var(--color-neon-cyan);
    border-radius: 0;
    box-shadow:
        0 0 40px rgba(0, 245, 255, 0.4),
        0 0 80px rgba(255, 0, 110, 0.3),
        inset 0 0 40px rgba(0, 245, 255, 0.1);
    animation: modalSlideIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

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

[data-theme="cyberpunk"] .modal-header {
    border-bottom: 2px solid var(--color-neon-purple);
    background: linear-gradient(135deg, rgba(255, 0, 110, 0.1), rgba(131, 56, 236, 0.1));
}

.modal-title {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text-primary);
}

[data-theme="cyberpunk"] .modal-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-neon-cyan);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-shadow: var(--glow-cyan);
}

.modal-body {
    padding: var(--spacing-xl);
}

/* Form elements */
.form-group {
    margin-bottom: var(--spacing-lg);
}

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

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-main);
}

[data-theme="cyberpunk"] .form-label {
    font-weight: 700;
    color: var(--color-neon-purple);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-shadow: 0 0 10px var(--color-neon-purple);
}

.form-input {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-bg-tertiary);
    border-radius: 6px;
    color: var(--color-text-primary);
    font-size: 15px;
    font-family: var(--font-main);
    transition: border-color 0.15s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-neon-cyan);
}

[data-theme="cyberpunk"] .form-input {
    background: rgba(0, 0, 0, 0.5);
    border: 2px solid var(--color-neon-purple);
    border-radius: 0;
    transition: all 0.3s ease;
    clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

[data-theme="cyberpunk"] .form-input:focus {
    border-color: var(--color-neon-cyan);
    box-shadow: var(--glow-cyan);
    background: rgba(0, 0, 0, 0.7);
}

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

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.form-actions button {
    flex: 1;
}

/* ═══════════════════════════════════════════════════════════════
   Loading
   ═══════════════════════════════════════════════════════════════ */

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}

[data-theme="cyberpunk"] .loading-overlay {
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(8px);
}

.loading-overlay.active {
    display: flex;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-bg-tertiary);
    border-top-color: var(--color-neon-cyan);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

[data-theme="cyberpunk"] .loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid transparent;
    border-top-color: var(--color-neon-pink);
    border-right-color: var(--color-neon-cyan);
    border-bottom-color: var(--color-neon-lime);
    border-left-color: var(--color-neon-purple);
    box-shadow:
        0 0 20px var(--color-neon-cyan),
        0 0 40px var(--color-neon-pink);
}

/* ═══════════════════════════════════════════════════════════════
   Scrollbar
   ═══════════════════════════════════════════════════════════════ */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--color-bg-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

[data-theme="cyberpunk"] ::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

[data-theme="cyberpunk"] ::-webkit-scrollbar-track {
    background: var(--color-bg-primary);
    border-left: 1px solid var(--color-neon-purple);
}

[data-theme="cyberpunk"] ::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--color-neon-pink), var(--color-neon-cyan));
    border-radius: 0;
    box-shadow: 0 0 10px rgba(0, 245, 255, 0.5);
}

[data-theme="cyberpunk"] ::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--color-neon-cyan), var(--color-neon-lime));
    box-shadow: var(--glow-cyan);
}

/* ═══════════════════════════════════════════════════════════════
   Animations
   ═══════════════════════════════════════════════════════════════ */

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(30px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ═══════════════════════════════════════════════════════════════
   Settings / Theme Switcher
   ═══════════════════════════════════════════════════════════════ */

.sidebar-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--color-bg-tertiary);
}

[data-theme="cyberpunk"] .sidebar-footer {
    border-top: 1px solid var(--color-neon-purple);
}

.settings-wrapper {
    position: relative;
}

.settings-btn {
    width: 100%;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--color-text-muted);
    font-family: var(--font-main);
    font-size: 14px;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}

.settings-btn:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

[data-theme="cyberpunk"] .settings-btn {
    color: var(--color-neon-purple);
    border-radius: 0;
}

[data-theme="cyberpunk"] .settings-btn:hover {
    background: rgba(131, 56, 236, 0.1);
    color: var(--color-neon-cyan);
}

.settings-dropdown {
    display: none;
    position: absolute;
    bottom: 100%;
    left: 0;
    right: 0;
    margin-bottom: var(--spacing-sm);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-bg-tertiary);
    border-radius: 8px;
    padding: var(--spacing-sm);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    z-index: 50;
}

.settings-dropdown.open {
    display: block;
}

[data-theme="cyberpunk"] .settings-dropdown {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-neon-purple);
    border-radius: 0;
    box-shadow: 0 0 20px rgba(131, 56, 236, 0.3);
}

.settings-dropdown-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    padding: var(--spacing-xs) var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.theme-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    border-radius: 4px;
    color: var(--color-text-secondary);
    font-family: var(--font-main);
    font-size: 14px;
    cursor: pointer;
    transition: background 0.15s ease;
    text-align: left;
}

.theme-option:hover {
    background: var(--color-bg-tertiary);
}

.theme-option.active {
    color: var(--color-neon-cyan);
    font-weight: 600;
}

[data-theme="cyberpunk"] .theme-option {
    border-radius: 0;
}

[data-theme="cyberpunk"] .theme-option:hover {
    background: rgba(131, 56, 236, 0.15);
}

[data-theme="cyberpunk"] .theme-option.active {
    color: var(--color-neon-cyan);
}

/* ═══════════════════════════════════════════════════════════════
   Responsive
   ═══════════════════════════════════════════════════════════════ */

@media (max-width: 1024px) {
    .links-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
}

@media (max-width: 768px) {
    :root {
        --sidebar-width: 260px;
    }

    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        height: 100vh;
        z-index: 100;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

    .sidebar.mobile-open {
        transform: translateX(0);
    }

    .main-content {
        width: 100%;
    }

    .content-header {
        padding: var(--spacing-lg);
        flex-direction: column;
        align-items: flex-start;
    }

    .sections-container {
        padding: var(--spacing-lg);
    }

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

    .logo {
        font-size: 20px;
    }

    [data-theme="cyberpunk"] .logo {
        font-size: 24px;
    }

    .collection-title {
        font-size: 20px;
    }
}