:root {
    --bg: #0b0b0b;
    --bg-dark: #050505;
    --fg: #e9edf2;
    --muted: #8892b0;
    --border: #232323;
    --card-bg: #121212;
    --accent: #a855f7;
    --accent-hover: #9333ea;
    --radius: 12px;
    --font-heading: 'Syne', sans-serif;
    --font-body: 'Space Grotesk', system-ui, sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg-dark);
    color: var(--fg);
    font-family: var(--font-body);
    min-height: 100vh;
}

.noise-layer {
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at 15% 20%, rgba(168, 85, 247, 0.2), transparent 45%),
        radial-gradient(circle at 80% 0%, rgba(236, 72, 153, 0.12), transparent 40%),
        linear-gradient(120deg, rgba(148, 163, 184, 0.08), transparent 55%);
    filter: blur(120px);
    opacity: 0.5;
    pointer-events: none;
    z-index: -1;
}

/* Layout */
.layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    padding: 2rem 1.5rem;
    background: var(--bg-dark);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 3rem;
    color: #fff;
}

.nav {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.nav-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--muted);
    margin: 1.5rem 0 0.5rem;
    padding-left: 0.75rem;
}

.nav-label:first-child { margin-top: 0; }

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: 8px;
    color: var(--muted);
    text-decoration: none;
    transition: all 0.2s ease;
    font-size: 0.95rem;
}

.nav-item:hover {
    background: rgba(255,255,255,0.03);
    color: #fff;
}

.nav-item.active {
    background: #1a1a1a;
    color: #fff;
}

.nav-item .icon {
    width: 20px;
    text-align: center;
    opacity: 0.7;
}

.sidebar-footer {
    margin-top: auto;
    padding-top: 2rem;
}

.nav-item.small {
    font-size: 0.85rem;
}

/* Content */
.content {
    padding: 3rem 4rem;
    background: var(--bg);
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 3rem;
}

.page-header h1 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin: 0 0 0.5rem;
}

.page-header p {
    color: var(--muted);
    margin: 0;
    font-size: 1.1rem;
}

.filters-bar {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 1rem;
}

.chip {
    background: none;
    border: none;
    color: var(--muted);
    cursor: pointer;
    font-family: inherit;
    font-size: 0.95rem;
    padding: 0.5rem 1rem;
    border-radius: 99px;
    transition: all 0.2s ease;
}

.chip:hover { color: #fff; }
.chip.active {
    background: #fff;
    color: #000;
    font-weight: 500;
}

/* Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

/* Card */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease, border-color 0.2s ease;
    height: 380px; /* Fixed height for consistency */
}

.card:hover {
    transform: translateY(-4px);
    border-color: rgba(255,255,255,0.2);
}

.card__preview {
    flex: 1;
    background: #000;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    /* Pattern background for preview area */
    background-image: radial-gradient(#222 1px, transparent 1px);
    background-size: 20px 20px;
}

.card__body {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border);
}

.card__title {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 0.75rem;
}

.card__meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--muted);
}

.author {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.avatar {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, #a855f7, #ec4899);
    color: #fff;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.btn-icon {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 4px;
}

.btn-icon:hover { color: #fff; }

.btn-link {
    color: var(--accent);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    text-decoration: none;
    font-weight: 600;
}

.btn-link:hover { color: var(--accent-hover); }

@media (max-width: 1024px) {
    .layout { grid-template-columns: 1fr; }
    .sidebar { display: none; }
    .content { padding: 2rem; }
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem;
    color: var(--muted);
}

/* Detail Page */
.elements--detail {
    background: var(--bg-dark);
    min-height: 100vh;
}

.layout--detail {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: 100vh;
}

.detail-main {
    padding: 3rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.detail-header {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

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

.detail-header__breadcrumbs {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.detail-title {
    margin: 0;
    font-size: clamp(2.4rem, 4vw, 3.1rem);
    font-family: var(--font-heading);
}

.detail-summary {
    margin: 0;
    color: rgba(255,255,255,0.75);
    line-height: 1.6;
    max-width: 64ch;
}

.detail-chip {
    padding: 0.3rem 0.8rem;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.02);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.7rem;
    color: var(--muted);
}

.detail-accent-chip {
    font-family: 'Fira Code', monospace;
    color: var(--muted);
    border: 1px solid rgba(255,255,255,0.08);
    padding: 0.35rem 0.7rem;
    border-radius: 8px;
}

.detail-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.85rem;
}

.detail-stats div {
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 14px;
    padding: 0.75rem 0.9rem;
    background: rgba(255,255,255,0.02);
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    font-size: 0.9rem;
}

.detail-stats span {
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.65rem;
    color: var(--muted);
}

.detail-stats strong {
    font-size: 1rem;
}

.detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.detail-tags span {
    padding: 0.3rem 0.75rem;
    border-radius: 999px;
    border: 1px dashed rgba(255,255,255,0.18);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.7rem;
    color: var(--muted);
}

.detail-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.detail-actions a,
.detail-actions button {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.6rem 1.1rem;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.12);
    background: rgba(255,255,255,0.02);
    color: var(--fg);
    text-decoration: none;
    font: inherit;
    cursor: pointer;
    transition: border-color 0.2s ease, color 0.2s ease;
}

.detail-actions a:hover,
.detail-actions button:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.ghost-button {
    color: var(--muted);
}

.detail-stage {
    display: grid;
    gap: 2rem;
}

.detail-stage--split {
    grid-template-columns: minmax(420px, 3fr) minmax(320px, 2fr);
}

.detail-stage:not(.detail-stage--split) {
    grid-template-columns: 1fr;
}

.stage-preview {
    background: var(--card-bg);
    border-radius: 28px;
    border: 1px solid var(--border);
    padding: 1.5rem;
    box-shadow: 0 35px 120px rgba(0,0,0,0.4);
}

.stage-screen {
    background: #020202;
    border-radius: 22px;
    border: 1px solid #161616;
    min-height: 520px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.stage-screen::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(#141414 1px, transparent 1px);
    background-size: 26px 26px;
    opacity: 0.35;
    pointer-events: none;
}

.stage-screen > * {
    position: relative;
    z-index: 1;
}

.ide-shell {
    background: #050505;
    border-radius: 24px;
    border: 1px solid var(--border);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.02);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.ide-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1.25rem;
    border-bottom: 1px solid #0f0f0f;
}

.ide-controls {
    display: flex;
    gap: 0.35rem;
}

.ide-controls .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
    opacity: 0.8;
}

.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2f; }
.dot-green { background: #27c93f; }

.ide-title {
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
}

.code-tabs {
    display: flex;
    gap: 0.5rem;
    padding: 0.9rem 1.25rem 0;
    flex-wrap: wrap;
}

.code-tab {
    border: 1px solid transparent;
    border-radius: 8px;
    padding: 0.35rem 0.9rem;
    background: rgba(255,255,255,0.04);
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.75rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.code-tab__emoji {
    font-size: 1rem;
    line-height: 1;
}

.code-tab.is-active {
    background: #101010;
    color: #fff;
    border-color: rgba(255,255,255,0.1);
}

.code-panels {
    padding: 0 1.25rem 1.25rem;
    flex: 1;
}

.code-panel {
    display: none;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    background: #080808;
    margin-top: 1rem;
    overflow: hidden;
}

.code-panel.is-active { display: block; }

.code-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.7rem 1rem;
    border-bottom: 1px solid #111;
    font-size: 0.85rem;
    color: var(--muted);
}

.code-toolbar__label {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.code-toolbar__label span[aria-hidden="true"] {
    font-size: 1rem;
}

.copy-button {
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 8px;
    background: transparent;
    color: inherit;
    padding: 0.3rem 0.85rem;
    cursor: pointer;
}

.copy-button:hover { color: #fff; }

.code-panel pre {
    margin: 0;
    padding: 1.2rem 1.4rem;
    max-height: 420px;
    overflow: auto;
    background: transparent;
}

.code-panel code {
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 0.92rem;
    line-height: 1.5;
    color: #cbd5ff;
    white-space: pre;
    display: block;
}

.copy-button.is-copied {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-link--back {
    letter-spacing: 0.12em;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 960px) {
    .layout--detail { grid-template-columns: 1fr; }
    .detail-main { padding: 2rem; }
    .detail-header__meta { flex-direction: column; align-items: flex-start; }
    .detail-stage { grid-template-columns: 1fr; }
    .stage-screen { min-height: 360px; }
    .detail-stats { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }
    .detail-actions { flex-direction: column; }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}