:root {
    --color-bg: #080b16;
    --color-bg-alt: #111735;
    --color-surface: #161f46;
    --color-text: #f7f7fd;
    --color-text-muted: #b7bed7;
    --color-primary: #ff66c4;
    --color-secondary: #ffd166;
    --color-accent: #4ad1c6;
    --color-support-yes: #60f2a0;
    --color-support-partial: #ffd166;
    --color-support-no: #ff7a8a;
    --color-support-unknown: #7fb3ff;
    --color-border: rgba(255,255,255,0.15);
    --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Mono', 'Droid Sans Mono', monospace;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: radial-gradient(circle at top, rgba(255, 102, 196, 0.18), transparent 55%), var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

main p {
    margin-bottom: 1.1rem;
}

main ul,
main ol {
    margin: 0 0 1.5rem 1.5rem;
    padding-left: 1rem;
}

main ul {
    list-style: disc;
}

main ol {
    list-style: decimal;
}

main li {
    margin-bottom: 0.4rem;
}

a {
    color: var(--color-secondary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Header */
header {
    background: rgba(8, 10, 24, 0.85);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.4);
}

.header-content h1 {
    font-size: 1.5rem;
    font-weight: 700;
}

.header-content h1 a {
    color: var(--color-text);
}

.header-content h1 a:hover {
    text-decoration: none;
    color: var(--color-primary);
}

nav {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

nav a {
    color: var(--color-text);
    font-weight: 600;
    letter-spacing: 0.03em;
    padding: 0.5rem 0.9rem;
    border-radius: 999px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
    transition: background 0.2s, color 0.2s, transform 0.2s;
}

nav a:hover {
    background: var(--color-primary);
    color: #170414;
    text-decoration: none;
    transform: translateY(-2px);
}

/* Intro */
.intro {
    max-width: 900px;
    margin-bottom: 2.5rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    padding: 1.75rem 2rem;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(255,102,196,0.08), rgba(74,209,198,0.08));
    border: 1px solid rgba(255,255,255,0.08);
}

.intro p {
    margin-bottom: 0.75rem;
}

.intro strong {
    color: var(--color-text);
}

.about-intro h2 {
    color: var(--color-secondary);
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.content-separator {
    border: none;
    border-top: 1px solid rgba(255,255,255,0.08);
    margin: 2rem 0;
}

/* Main content */
main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    margin-top: 2rem;
}

section {
    margin-bottom: 3rem;
    scroll-margin-top: 6rem;
}

section h2 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--color-secondary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.section-description {
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
    max-width: 800px;
}

/* Support icons */
.support-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 3px;
    font-size: 12px;
    font-weight: bold;
    cursor: pointer;
    position: relative;
    border: 1px solid rgba(0,0,0,0.15);
    box-shadow: 0 0 10px rgba(0,0,0,0.25);
}

.support-icon[data-note]:hover::after,
.support-icon[data-note].show-note::after {
    content: attr(data-note);
    position: absolute;
    left: 50%;
    top: 100%;
    transform: translateX(-50%);
    margin-top: 8px;
    padding: 0.5rem 0.75rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--color-text);
    white-space: normal;
    width: max-content;
    max-width: 250px;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    text-align: left;
}

.support-icon[data-note]::before {
    content: '';
    position: absolute;
    right: -2px;
    top: -2px;
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
}

.support-icon:not([data-note]) {
    cursor: default;
}

.support-y {
    background: var(--color-support-yes);
    color: #000;
}

.support-a {
    background: var(--color-support-partial);
    color: #000;
}

.support-n {
    background: var(--color-support-no);
    color: #000;
}

.support-u {
    background: var(--color-support-unknown);
    color: #000;
}

/* Matrix tables */
.matrix-container {
    overflow-x: auto;
}

.matrix-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 14px;
    overflow: hidden;
    background: rgba(17,23,53,0.75);
}

.matrix-table th,
.matrix-table td {
    padding: 0.5rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.matrix-table thead th {
    background: rgba(255,255,255,0.05);
    font-weight: 600;
    position: sticky;
    top: 0;
    z-index: 10;
}

.matrix-table th.feature-header {
    min-width: 100px;
}

.matrix-table th.client-header {
    text-align: center;
    min-width: 90px;
    font-size: 0.75rem;
}

.matrix-table th.client-header .ide-name {
    display: block;
    font-weight: 600;
}

.matrix-table th.client-header .ai-name {
    display: block;
    font-weight: 400;
    color: var(--color-text-muted);
    font-size: 0.75rem;
}

.matrix-table tbody tr:hover {
    background: rgba(255,255,255,0.03);
}

.matrix-table td.feature-cell {
    font-weight: 500;
    white-space: nowrap;
}

.feature-link {
    color: var(--color-text);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.feature-link:hover {
    color: var(--color-primary);
}

.spec-link-icon {
    font-size: 0.75rem;
    opacity: 0.5;
}

.feature-link:hover .spec-link-icon {
    opacity: 1;
}

/* Custom tooltip for feature descriptions */
.feature-link[title] {
    position: relative;
}

.feature-link[title]:hover::after {
    content: attr(title);
    position: absolute;
    left: 0;
    top: 100%;
    margin-top: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--color-text-muted);
    white-space: normal;
    width: max-content;
    max-width: 300px;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.matrix-table td.support-cell {
    text-align: center;
}

.matrix-table td.support-cell .support-icon {
    cursor: help;
    width: 24px;
    height: 24px;
    border-radius: 6px;
    font-size: 0.8rem;
}

.note-ref {
    font-size: 0.7rem;
    vertical-align: super;
    color: var(--color-primary);
    margin-left: 2px;
}

/* Feature category labels */
.category-badge {
    display: inline-block;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.15rem 0.4rem;
    border-radius: 3px;
    margin-left: 0.5rem;
    vertical-align: middle;
}

.category-server {
    background: #3b82f6;
    color: white;
}

.category-client {
    background: #8b5cf6;
    color: white;
}

/* Deprecated badge */
.deprecated-badge {
    display: inline-block;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.15rem 0.4rem;
    border-radius: 3px;
    margin-left: 0.5rem;
    background: var(--color-support-partial);
    color: #000;
}

/* Notes section under tables */
.matrix-notes {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--color-bg-alt);
    border-radius: 6px;
    font-size: 0.85rem;
}

.matrix-notes h4 {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.matrix-notes ul {
    list-style: none;
    padding: 0;
}

.matrix-notes li {
    padding: 0.25rem 0;
    color: var(--color-text-muted);
}

.matrix-notes li strong {
    color: var(--color-primary);
}

/* Changelog */
.changelog-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.changelog-entry {
    background: var(--color-bg-alt);
    border-radius: 8px;
    padding: 1.25rem;
    border-left: 4px solid var(--color-border);
}

.changelog-entry.type-spec {
    border-left-color: var(--color-primary);
}

.changelog-entry.type-client {
    border-left-color: var(--color-support-yes);
}

.changelog-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.changelog-title {
    font-weight: 600;
    font-size: 1rem;
}

.changelog-date {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
}

.changelog-type {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.2rem 0.5rem;
    border-radius: 3px;
    background: var(--color-surface);
    color: var(--color-text-muted);
}

.changelog-description {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

.changelog-links {
    display: flex;
    gap: 1rem;
    font-size: 0.85rem;
}

/* Footer */
footer {
    background: linear-gradient(135deg, rgba(255,95,210,0.15), rgba(73,224,232,0.1));
    border-top: 1px solid rgba(255,255,255,0.15);
    padding: 2rem;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

footer p {
    margin-bottom: 0.5rem;
}

/* Loading state */
.loading {
    color: var(--color-text-muted);
    font-style: italic;
}

/* Plugin matrix sections */
#plugins-matrix h3 {
    font-size: 1.1rem;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--color-secondary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

#plugins-matrix h3:first-child {
    margin-top: 0;
}

.subsection-note {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

.native-only-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--color-bg-alt);
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.08);
}

.native-only-item {
    background: rgba(0,0,0,0.2);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    border: 1px solid rgba(255,255,255,0.08);
}

.native-name-cell {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        align-items: flex-start;
    }

    nav {
        flex-wrap: wrap;
        gap: 1rem;
    }

    main {
        padding: 1rem;
        margin-top: 1rem;
    }

    .matrix-table {
        font-size: 0.8rem;
    }

    .matrix-table th,
    .matrix-table td {
        padding: 0.5rem;
    }

    .matrix-table th.client-header {
        min-width: 80px;
    }

}