/*
    Tabame Design System - Cyber-Utility
    Following Interface (design_site.html) and DESIGN.md
*/

@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600&family=Jura:wght@400;500;600;700&display=swap");

:root {
    /* Colors - Anchored in Cyber-Utility System */
    --bg: #0f0f1199;
    --surface: #141416;
    --surface-card: #1a1a1c99;
    --surface-sub: #14141699;
    --border: #2a2a2e;
    --border-bright: #3f3f46;

    --accent: #a3e635;
    --accent-hover: #84cc16;
    --accent-glow: rgba(163, 230, 53, 0.2);
    --accent-muted: rgba(163, 230, 53, 0.08);

    --text-main: #e4e4e7;
    --text-muted: #a1a1aa;
    --text-dim: #71717a;
    --text-on-accent: #0f0f11;

    /* Typography */
    --font-heading: "Space Grotesk", "Jura", sans-serif;
    /* --font-body: "Jura", sans-serif; */
    --font-body: "Inter", sans-serif;
    --font-mono: "JetBrains Mono", monospace;

    /* Spacing */
    --sidebar-width: 240px;
    --titlebar-height: 32px;
    --base-unit: 4px;
    --gutter: 16px;
    --container-padding: 32px;

    /* Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Transitions */
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: transparent;
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 14px;
    line-height: 1.6;
    overflow: hidden;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}
a {
    text-decoration: none;
    color: #a3e635;
}
#bg-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -10;
    background-size: cover;
    background-position: center;
    filter: blur(100px);
    opacity: 0.8;
    transform: scale(1.2);
    transition: background-image 0.5s ease-in-out;
}

#bg-frost {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -9;
    background: rgb(10 10 10 / 85%);
    backdrop-filter: blur(60px) saturate(180%);
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-bright);
}

/* Layout Structure */
.app-container {
    width: 100%;
    height: 100%;
    background: radial-gradient(
        circle at top right,
        rgba(20, 20, 22, 0.2) 0%,
        rgba(15, 15, 17, 0.4) 100%
    );
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.titlebar {
    height: var(--titlebar-height);
    background-color: rgba(11, 11, 12, 0.8);
    backdrop-filter: blur(20px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 16px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    z-index: 100;
}

.titlebar .brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
}

.titlebar .brand-t {
    color: #ef4444;
    font-weight: 800;
    font-style: italic;
    font-size: 16px;
    letter-spacing: -1px;
}

.titlebar .controls {
    display: flex;
    gap: 16px;
    color: var(--text-muted);
    font-size: 14px;
}

.titlebar .controls a {
    color: var(--text-muted);
}

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

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: rgba(20, 20, 22, 0.3);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding-top: 16px;
    flex-shrink: 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    border-right: 3px solid transparent;
}

.nav-item:hover {
    color: var(--text-main);
    background-color: rgba(255, 255, 255, 0.02);
}

.nav-item.active {
    background-color: var(--accent-muted);
    color: var(--accent);
    border-right-color: var(--accent);
    box-shadow: inset -10px 0 20px -10px var(--accent-glow);
}

.nav-item i {
    width: 20px;
    font-size: 16px;
    text-align: center;
}

.sidebar-footer {
    padding: 16px;
    margin-top: auto;
}

.exit-btn {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--accent);
    cursor: pointer;
    transition: var(--transition);
}

.exit-btn:hover {
    background-color: var(--surface-card);
    border-color: var(--accent);
}

.credits {
    text-align: center;
    font-size: 11px;
    color: var(--text-dim);
    margin-top: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

/* Page Containers */
.page-area {
    flex: 1;
    overflow-y: auto;
    padding: var(--container-padding);
    scroll-behavior: smooth;
}

.page {
    display: none;
    animation: fadeIn 0.4s ease-out;
}

.page.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Typography & Headers */
h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: -0.02em;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 40px;
}

.header-title h1 {
    font-size: 32px;
    margin-bottom: 4px;
}

.header-title p {
    color: var(--text-muted);
    max-width: 500px;
}

/* Cards */
.card {
    background-color: rgba(26, 26, 28, 0.4);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.card-title {
    font-size: 18px;
    margin-bottom: 4px;
}

.card-desc {
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 24px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.sub-card {
    background-color: var(--surface-sub);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
    transition: var(--transition);
}

.sub-card:hover {
    border-color: var(--border-bright);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
    text-decoration: none;
    background: none;
    color: inherit;
}

.btn-primary {
    background-color: var(--accent);
    color: var(--text-on-accent);
    box-shadow: 0 0 20px var(--accent-glow);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    box-shadow: 0 0 30px var(--accent-glow);
    transform: translateY(-1px);
}

.btn-outline {
    border-color: var(--border-bright);
    color: var(--text-main);
}

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

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

.btn-ghost:hover {
    color: var(--text-main);
    background-color: rgba(255, 255, 255, 0.05);
}

/* QuickMenu Specifics */
.search-container {
    margin-bottom: 24px;
    position: relative;
}

.search-input {
    width: 100%;
    background-color: var(--surface-sub);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 12px 16px 12px 40px;
    color: var(--text-main);
    font-family: var(--font-body);
    outline: none;
    transition: var(--transition);
}

.search-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent);
}

.search-container i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-dim);
}

.atlas-group {
    margin-bottom: 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.atlas-group summary {
    padding: 16px;
    background-color: var(--surface-card);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-heading);
}

.atlas-group summary::-webkit-details-marker {
    display: none;
}

.atlas-group summary strong {
    color: var(--accent);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.action-list {
    list-style: none;
    background-color: var(--surface-sub);
}

.action-item {
    padding: 12px 16px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 13px;
}

.action-item code {
    background-color: var(--surface-card);
    color: var(--accent);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 12px;
}

.action-item span {
    color: var(--text-muted);
}

/* Official Plugin Registry */
.official-plugins {
    margin-top: 32px;
}

.section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 8px;
}

.section-kicker {
    color: var(--accent);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
    margin-bottom: 4px;
    text-transform: uppercase;
}

.section-heading h2 {
    font-size: 22px;
}

.catalog-intro {
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 16px;
    max-width: 70ch;
}

.official-plugin-list {
    display: grid;
    gap: 8px;
}

.official-plugin {
    align-items: center;
    background: var(--surface-sub);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: inherit;
    display: flex;
    gap: 16px;
    justify-content: space-between;
    min-height: 76px;
    padding: 14px 16px;
    text-decoration: none;
    transition: var(--transition);
}

a.official-plugin:hover,
a.official-plugin:focus-visible {
    border-color: var(--accent);
    transform: translateX(3px);
}

.official-plugin-identity {
    align-items: center;
    display: flex;
    gap: 12px;
    min-width: 0;
}

.official-plugin-identity > i {
    color: var(--accent);
    font-size: 15px;
    text-align: center;
    width: 20px;
}

.official-plugin h3 {
    font-size: 14px;
    margin-bottom: 3px;
}

.official-plugin p {
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.4;
}

.official-plugin-meta {
    align-items: center;
    color: var(--text-dim);
    display: flex;
    flex-shrink: 0;
    gap: 10px;
}

.official-plugin-meta code {
    background: var(--surface-card);
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 11px;
    padding: 3px 6px;
}

.official-plugin-meta span {
    font-size: 11px;
    text-transform: capitalize;
}

.catalog-status {
    align-items: center;
    color: var(--text-muted);
    display: flex;
    font-size: 13px;
    gap: 8px;
    min-height: 64px;
}

.catalog-status-error {
    color: #e4a085;
}

/* Responsive */
@media (max-width: 1024px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 60px;
    }

    .sidebar .nav-item span,
    .sidebar-footer span {
        display: none;
    }

    .nav-item {
        padding: 12px;
        justify-content: center;
    }

    .section-heading {
        align-items: flex-start;
        flex-direction: column;
    }

    .official-plugin {
        align-items: flex-start;
        flex-direction: column;
        gap: 12px;
    }

    .official-plugin-meta {
        margin-left: 32px;
    }
}