:root {
    --md-primary: #8fb8ff;
    --md-on-primary: #002e69;
    --md-primary-container: #0d4f9b;
    --md-on-primary-container: #d8e7ff;
    --md-surface: #0f141b;
    --md-surface-container-low: #151b23;
    --md-surface-container: #1b222c;
    --md-surface-container-high: #222a35;
    --md-surface-container-highest: #2b3440;
    --md-on-surface: #e4eaf2;
    --md-on-surface-variant: #bec7d3;
    --md-outline: #8a94a3;
    --md-outline-variant: #3d4652;
    --md-error: #ffb4ab;
    --md-error-container: #93000a;
    --md-radius-small: 8px;
    --md-radius-medium: 12px;
    --md-radius-large: 16px;
    --md-radius-extra-large: 28px;
    --md-display-large: 57px;
    --md-display-medium: 45px;
    --md-headline-large: 32px;
    --md-headline-medium: 28px;
    --md-headline-small: 24px;
    --md-title-large: 22px;
    --md-title-medium: 16px;
    --md-body-large: 16px;
    --md-body-medium: 14px;
    --md-label-large: 14px;
    --md-label-medium: 12px;
}

@media (prefers-color-scheme: light) {
    :root {
        --md-primary: #005cbb;
        --md-on-primary: #ffffff;
        --md-primary-container: #d5e3ff;
        --md-on-primary-container: #001b3e;
        --md-surface: #f9f9ff;
        --md-surface-container-low: #f0f2f9;
        --md-surface-container: #e9edf5;
        --md-surface-container-high: #e3e7ef;
        --md-surface-container-highest: #dde1e9;
        --md-on-surface: #181b20;
        --md-on-surface-variant: #43474e;
        --md-outline: #73777f;
        --md-outline-variant: #c3c7cf;
    }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--md-surface);
    color: var(--md-on-surface);
    font-family: "Google Sans";
    font-size: var(--md-body-large);
    line-height: 1.5;
}

a { color: inherit; }

.navbar {
    position: fixed;
    z-index: 20;
    top: 0;
    left: 0;
    right: 0;
    height: 72px;
    background: transparent;
    border-bottom: 0;
    transition: background-color .2s ease;
}
.navbar.is-scrolled {
    background: rgba(15, 20, 27, .66);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}
@media (prefers-color-scheme: light) {
    .navbar.is-scrolled {
        background: rgba(249, 249, 255, .66);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
    }
}
.nav-content {
    max-width: 1600px;
    height: 100%;
    margin: 0 auto;
    padding: 0 28px;
    display: flex;
    align-items: center;
    gap: 28px;
}
.nav-brand {
    display: none;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: #fff;
    flex: 0 0 auto;
}
.nav-brand img { border-radius: 50%; object-fit: cover; }
.nav-brand span {
    font-size: var(--md-title-large);
    font-weight: 600;
    letter-spacing: 0.01em;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 2px;
    overflow-x: auto;
    scrollbar-width: none;
}
.nav-links::-webkit-scrollbar { display: none; }
.nav-link {
    text-decoration: none;
    color: #dbe5f2;
    padding: 10px 14px;
    border-radius: 999px;
    font-size: var(--md-label-large);
    white-space: nowrap;
}
.nav-link:hover { background: rgba(255,255,255,.08); }

.hero-stage {
    position: relative;
    height: calc(100svh + 280px);
    min-height: calc(100svh + 280px);
    overflow: hidden;
    background: var(--md-surface);
}
.hero {
    position: relative;
    z-index: 1;
    height: 100svh;
    min-height: 100svh;
    overflow: hidden;
    background: transparent;
    display: flex;
    align-items: stretch;
}
.hero-background {
    position: absolute;
    z-index: 0;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    pointer-events: none;
}
.hero-content {
    position: absolute;
    z-index: 2;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0 32px 48px;
}
.hero-title-row {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 8px;
}
.hero h1 {
    margin: 0;
    font-size: clamp(48px, 7vw, var(--md-display-large));
    line-height: 1.02;
    letter-spacing: -0.03em;
    font-weight: 650;
    color: #fff;
}
.hero-subtitle {
    margin: 0;
    font-size: clamp(20px, 2.4vw, 30px);
    line-height: 1.25;
    color: #f0f5fb;
    font-weight: 500;
}
.hero-version {
    margin: 10px 0 0;
    display: flex;
    align-items: center;
    gap: 8px;
    color: #d5dfeb;
    font-size: var(--md-body-medium);
}
.hero-version .material-icons { font-size: 20px; }
.hero-version strong { color: #fff; }
.hero .btn-filled { margin-top: 20px; }
.hero-transition {
    position: relative;
    z-index: 1;
    height: 280px;
    background: linear-gradient(to bottom, rgba(15,20,27,0) 0%, rgba(15,20,27,.12) 18%, rgba(15,20,27,.38) 42%, rgba(15,20,27,.72) 68%, var(--md-surface) 100%);
    pointer-events: none;
}

.hero-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    object-fit: cover;
    box-shadow: none;
    display: block;
    flex: 0 0 auto;
}

.btn-filled { margin-top: 20px; }

.btn-filled {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    padding: 0 24px;
    border: 0;
    border-radius: 999px;
    background: var(--md-primary);
    color: var(--md-on-primary);
    font-family: "Google Sans";
    font-size: var(--md-label-large);
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 2px 4px rgba(0,0,0,.28);
}
.btn-filled:hover { filter: brightness(1.06); }

.search-container {
    width: min(720px, 100%);
    margin-top: 20px;
}
.search-wrapper {
    min-height: 56px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 16px;
    border: 1px solid #aeb8c6;
    border-radius: 28px;
    background: rgba(10, 17, 25, .78);
}
.search-wrapper:focus-within { border: 2px solid var(--md-primary); padding: 0 15px; }
.search-wrapper > .material-icons { color: #d4deea; }
.search-input {
    flex: 1;
    min-width: 0;
    border: 0;
    outline: 0;
    background: transparent;
    color: #fff;
    font: inherit;
}
.search-input::placeholder { color: #b9c4d0; }
.search-clear {
    display: none;
    border: 0;
    background: transparent;
    color: #d7e0ea;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
}
.search-clear.visible { display: inline-flex; align-items: center; justify-content: center; }
.search-results-count { margin-top: 8px; color: #d5dfeb; font-size: var(--md-body-medium); display: none; }
.search-results-count.visible { display: block; }

.container {
    width: min(1600px, calc(100% - 48px));
    margin: 0 auto;
    padding: 64px 0 80px;
}
.section {
    scroll-margin-top: 88px;
    margin: 0 0 72px;
}
.section-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0 0 24px;
}
.section-icon { color: var(--md-primary); font-size: 28px; }
.section-header h2 {
    margin: 0;
    font-size: var(--md-headline-medium);
    line-height: 1.25;
    font-weight: 600;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    align-items: start;
}
.card,
.feature-card,
.info-card {
    position: relative;
    min-width: 0;
    background: var(--md-surface-container-low);
    border: 1px solid var(--md-outline-variant);
    border-radius: var(--md-radius-large);
    box-shadow: 0 1px 2px rgba(0,0,0,.16);
}
.card { padding: 24px; }
.card:hover,
.feature-card:hover,
.info-card:hover { border-color: var(--md-outline); }
.card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}
.card-header .material-icons { color: var(--md-primary); }
.card h3,
.feature-card h3 {
    margin: 0;
    font-size: var(--md-title-large);
    line-height: 1.3;
    font-weight: 600;
    overflow-wrap: anywhere;
}
.card-description {
    margin: 0 0 18px;
    color: var(--md-on-surface-variant);
    font-size: var(--md-body-medium);
}
.card-content { color: var(--md-on-surface); font-size: var(--md-body-medium); }
.param {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--md-outline-variant);
}
.param-name { font-weight: 600; }
.param-type { color: var(--md-on-surface-variant); }
.param-options { line-height: 1.75; padding: 8px 0; }
code {
    font-family: "Google Sans";
    background: var(--md-surface-container-highest);
    color: var(--md-on-surface);
    border-radius: 6px;
    padding: 2px 6px;
    font-size: .92em;
}
.card-example {
    margin-top: 16px;
    padding: 12px 14px;
    background: var(--md-surface-container);
    border-radius: var(--md-radius-small);
    overflow-x: auto;
}
.example-label {
    display: block;
    color: var(--md-on-surface-variant);
    font-size: var(--md-label-medium);
    margin-bottom: 4px;
}
.info-box {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    margin-top: 16px;
    padding: 14px;
    border-radius: var(--md-radius-medium);
    background: var(--md-primary-container);
    color: var(--md-on-primary-container);
    font-size: var(--md-body-medium);
}
.info-box .material-icons { font-size: 20px; flex: 0 0 auto; }
.badge {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    margin-top: 18px;
    padding: 0 10px;
    border-radius: 999px;
    font-size: var(--md-label-medium);
    font-weight: 600;
}
.badge.admin { background: var(--md-error-container); color: var(--md-error); }
.highlight-card { border-color: var(--md-primary); }

.feature-grid,
.info-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}
.feature-card,
.info-card { padding: 24px; }

.search-no-results {
    display: none;
    margin: 0 0 40px;
    padding: 32px;
    text-align: center;
    border: 1px solid var(--md-outline-variant);
    border-radius: var(--md-radius-large);
    background: var(--md-surface-container-low);
    color: var(--md-on-surface-variant);
}
.search-no-results.visible { display: block; }
.search-no-results .material-icons { font-size: 32px; }
.search-hidden { display: none !important; }

.footer {
    background: var(--md-surface-container-low);
    border-top: 1px solid var(--md-outline-variant);
    padding: 40px 24px;
    text-align: center;
}
.footer-content p { margin: 0; }
.footer-sub { margin-top: 6px !important; color: var(--md-on-surface-variant); font-size: var(--md-body-medium); }

.fab {
    position: fixed;
    z-index: 30;
    right: 24px;
    bottom: 24px;
    width: 56px;
    height: 56px;
    border: 0;
    border-radius: 16px;
    background: var(--md-primary-container);
    color: var(--md-on-primary-container);
    box-shadow: 0 4px 8px rgba(0,0,0,.25);
}
.fab .material-icons { font-size: 24px; }

@media (min-width: 1600px) {
    .card-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .feature-grid,
    .info-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 1100px) {
    .nav-links { display: none; }
    .card-grid,
    .feature-grid,
    .info-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 700px) {
    .nav-content { padding: 0 16px; }
    .hero-content { padding: 0 20px 32px; }
    .hero-title-row { gap: 12px; }
    .hero-icon { width: 48px; height: 48px; border-radius: 10px; }
    .hero h1 { font-size: 42px; }
    .container { width: min(100% - 32px, 1600px); padding-top: 48px; }
    .card-grid,
    .feature-grid,
    .info-grid { grid-template-columns: 1fr; }
    .section { margin-bottom: 56px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation: none !important; transition: none !important; }
}


.hero-icon {
    border-radius: 12px;
    box-shadow: none;
    display: block;
    flex: 0 0 auto;
}
.hero-title-row {
    gap: 14px;
    margin-bottom: 10px;
}
.hero h1 {
    font-size: clamp(44px, 5.4vw, 56px);
    line-height: 1.05;
    letter-spacing: -0.025em;
}
.hero-subtitle {
    max-width: 760px;
    font-size: clamp(21px, 2.05vw, 26px);
    line-height: 1.3;
    font-weight: 500;
}
.hero-version {
    margin-top: 8px;
}

@media (max-width: 700px) {
    .hero-icon { width: 48px; height: 48px; border-radius: 10px; }
    .hero h1 { font-size: 42px; }
    .hero-subtitle { font-size: 21px; }
}


.navbar.is-scrolled .nav-brand {
    display: inline-flex;
    opacity: .78;
}
.navbar.is-scrolled .nav-link {
    color: color-mix(in srgb, var(--md-on-surface) 82%, transparent);
}

@media (max-width: 700px) {
    .hero-subtitle { font-size: 21px; }
}