/* ================================================================ */
/*  BRAND TOKENS                                                      */
/*  Mirrors the Signals framework design language. The docs surfaces  */
/*  force the stock brand palette rather than a tenant's colours, so  */
/*  the registry does the same.                                       */
/* ================================================================ */

:root {
    color-scheme: light;

    --brand-primary: #1e3a5f;
    --brand-accent: #3b82f6;

    --navy: var(--brand-primary);
    --navy-mid: color-mix(in srgb, var(--brand-primary), #1e293b 50%);
    --navy-light: color-mix(in srgb, var(--brand-primary), #94a3b8 30%);
    --navy-ink: var(--brand-primary);

    --base: #f8f9fb;
    --white: #ffffff;

    --blue: var(--brand-accent);
    --blue-ink: var(--brand-accent);
    --blue-light: color-mix(in srgb, var(--blue), white 20%);
    --blue-pale: color-mix(in srgb, var(--blue) 8%, transparent);

    --green: #059669;
    --green-muted: rgba(5, 150, 105, 0.1);
    --amber: #d97706;
    --amber-muted: rgba(217, 119, 6, 0.1);
    --red: #dc2626;
    --red-muted: rgba(220, 38, 38, 0.1);

    --grey: #64748b;
    --grey-light: #94a3b8;
    --grey-border: #e2e8f0;

    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Chakra Petch', 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'Martian Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

    /* Layout tokens (light) */
    --content-bg: var(--base);
    --card-bg: var(--white);
    --card-border: var(--grey-border);
    --text-primary: var(--navy-ink);
    --text-secondary: var(--grey);
    --text-muted: var(--grey-light);
    --table-header-bg: var(--base);
    --footer-text: var(--grey-light);
    --control-bg: var(--white);
    --chip-bg: var(--base);
    --neutral-muted: color-mix(in srgb, var(--grey) 10%, transparent);

    /* Design-language tokens */
    --dl-text-record: 24px;
    --dl-text-title: 14px;
    --dl-text-body: 13px;
    --dl-text-ui: 12px;
    --dl-text-label: 11px;
    --dl-radius: 3px;
    --dl-elev-1: 0 1px 3px rgba(15, 23, 42, 0.06);
    --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.04);
}

/* ================================================================ */
/*  DARK MODE OVERRIDES                                               */
/* ================================================================ */

.dark {
    color-scheme: dark;

    --content-bg: var(--navy-mid);
    --card-bg: var(--navy);
    --card-border: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: var(--grey-light);
    --text-muted: var(--grey);
    --table-header-bg: rgba(255, 255, 255, 0.04);
    --footer-text: var(--grey);
    --control-bg: rgba(255, 255, 255, 0.04);
    --chip-bg: rgba(255, 255, 255, 0.04);
    --neutral-muted: rgba(255, 255, 255, 0.08);
    --blue-ink: var(--blue);
    --dl-elev-1: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* ================================================================ */
/*  BASE                                                              */
/* ================================================================ */

*,
*::before,
*::after {
    box-sizing: border-box;
    /* Square language: surfaces have no radius. Interactive controls opt back
       in to var(--dl-radius) individually. */
    border-radius: 0;
}

html {
    -webkit-text-size-adjust: 100%;
}

body {
    display: flex;
    flex-direction: column;
    margin: 0;
    min-height: 100vh;
    background: var(--content-bg);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: var(--dl-text-body);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-wrap: break-word;
}

a {
    color: var(--blue-ink);
    text-underline-offset: 2px;
}

a:hover {
    color: var(--blue-light);
}

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

.dark ::-webkit-scrollbar-thumb {
    background: #475569;
}

:focus-visible {
    outline: 2px solid var(--blue);
    outline-offset: 2px;
}

/* ================================================================ */
/*  BRAND MARK                                                        */
/* ================================================================ */

.footer-mark {
    position: relative;
    display: inline-block;
    font-family: var(--font-display);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    line-height: 1.3;
    color: var(--footer-text);
    border: 2px solid currentColor;
    padding: 2px 8px;
}

.footer-mark-accent {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 5px;
    height: 5px;
    background: var(--green);
}

/* ================================================================ */
/*  HEADER                                                            */
/* ================================================================ */

.reg-header {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 16px;
    height: 48px;
    min-height: 48px;
    padding: 0 20px;
    background: var(--navy);
}

.reg-header-brand {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--grey-light);
}

.reg-header-brand:hover {
    color: #ffffff;
}

.reg-header-brand .footer-mark {
    color: inherit;
}

.reg-header-title {
    font-family: var(--font-display);
    font-size: var(--dl-text-label);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--grey-light);
    white-space: nowrap;
}

.reg-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
}

.reg-header-link {
    font-family: var(--font-mono);
    font-size: 9px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--grey-light);
    text-decoration: none;
    white-space: nowrap;
    padding: 4px 10px;
    border: 1px solid var(--grey);
    transition: color 0.15s, border-color 0.15s;
}

.reg-header-link:hover {
    color: #ffffff;
    border-color: var(--grey-light);
}

.reg-icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    padding: 0;
    background: none;
    border: none;
    color: var(--grey-light);
    cursor: pointer;
    transition: color 0.15s, background 0.15s;
}

.reg-icon-btn:hover {
    color: var(--blue-light);
    background: rgba(255, 255, 255, 0.08);
}

.reg-icon-btn svg {
    width: 16px;
    height: 16px;
}

#theme-toggle .icon-sun {
    display: none;
}

.dark #theme-toggle .icon-sun {
    display: block;
}

.dark #theme-toggle .icon-moon {
    display: none;
}

/* ================================================================ */
/*  PAGE SHELL                                                        */
/* ================================================================ */

.reg-main {
    flex: 1 0 auto;
    width: 100%;
    max-width: 1080px;
    margin: 0 auto;
    padding: 32px 40px 64px;
}

.reg-hero {
    margin-bottom: 32px;
}

.reg-eyebrow {
    margin: 0 0 8px;
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

.reg-title {
    margin: 0 0 8px;
    font-family: var(--font-display);
    font-size: var(--dl-text-record);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    line-height: 1.3;
}

.reg-lead {
    margin: 0;
    max-width: 640px;
    font-size: var(--dl-text-title);
    line-height: 1.6;
    color: var(--text-secondary);
}

/* ================================================================ */
/*  CONTROLS                                                          */
/* ================================================================ */

.controls {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 16px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--card-border);
}

.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1 1 20rem;
    min-width: 0;
}

.field-narrow {
    flex: 0 1 11rem;
}

label {
    font-family: var(--font-mono);
    font-size: 9px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
}

input[type="search"],
select {
    width: 100%;
    height: 30px;
    padding: 0 10px;
    font-family: var(--font-sans);
    font-size: var(--dl-text-ui);
    color: var(--text-primary);
    background: var(--control-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--dl-radius);
    transition: border-color 0.15s, background 0.15s;
}

input[type="search"]::placeholder {
    color: var(--text-muted);
}

input[type="search"]:hover,
select:hover {
    border-color: var(--text-muted);
}

input[type="search"]:focus-visible,
select:focus-visible {
    border-color: var(--blue);
    outline: none;
    box-shadow: 0 0 0 2px var(--blue-pale);
}

.toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    height: 30px;
    font-family: var(--font-sans);
    font-size: var(--dl-text-ui);
    font-weight: 400;
    letter-spacing: 0;
    text-transform: none;
    color: var(--text-secondary);
    cursor: pointer;
}

.toggle input {
    width: 13px;
    height: 13px;
    margin: 0;
    accent-color: var(--blue);
    cursor: pointer;
}

.result-count {
    margin: 16px 0 20px;
    font-family: var(--font-mono);
    font-size: 9px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    min-height: 12px;
}

/* ================================================================ */
/*  CARDS                                                             */
/* ================================================================ */

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
    gap: 16px;
}

.card {
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-width: 0;
    padding: 18px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-card);
}

.card-head {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.card h2 {
    margin: 0;
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.01em;
    line-height: 1.3;
}

.package {
    margin: 3px 0 0;
    font-family: var(--font-mono);
    font-size: 9px;
    font-weight: 400;
    letter-spacing: -0.02em;
    color: var(--text-muted);
}

.card p.summary {
    margin: 0;
    font-size: var(--dl-text-ui);
    line-height: 1.5;
    color: var(--text-secondary);
}

/* -- Badges (framework .badge) -- */

.badges {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.badge {
    display: inline-block;
    padding: 2px 8px;
    font-family: var(--font-sans);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    white-space: nowrap;
}

.badge-verified {
    background: var(--green-muted);
    color: var(--green);
}

.badge-community {
    background: var(--neutral-muted);
    color: var(--text-secondary);
}

.badge-deprecated,
.badge-stale {
    background: var(--amber-muted);
    color: var(--amber);
}

.badge-yanked,
.badge-unavailable {
    background: var(--red-muted);
    color: var(--red);
}

/* -- Status notice -- */

.notice {
    margin: 0;
    padding: 8px 10px;
    background: var(--table-header-bg);
    border-left: 2px solid var(--amber);
    font-size: var(--dl-text-label);
    line-height: 1.5;
    color: var(--text-secondary);
}

/* -- Metadata list -- */

.meta {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 6px 12px;
    margin: 0;
    align-items: baseline;
}

.meta dt {
    font-family: var(--font-mono);
    font-size: 9px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    white-space: nowrap;
}

.meta dd {
    margin: 0;
    min-width: 0;
    font-size: var(--dl-text-ui);
    color: var(--text-secondary);
}

.mono {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

/* -- Chips: network hosts and keywords -- */

.hosts,
.keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.host,
.keyword {
    padding: 1px 6px;
    font-family: var(--font-mono);
    font-size: 9px;
    font-weight: 400;
    letter-spacing: 0.02em;
    background: var(--chip-bg);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
}

.keyword {
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
}

/* -- Install command (framework .docs-prose pre) -- */

.install {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    min-width: 0;
}

.install code {
    flex: 1 1 auto;
    min-width: 0;
    padding: 10px 12px;
    background: #1e293b;
    border: 1px solid #334155;
    color: #e2e8f0;
    font-family: var(--font-mono);
    font-size: 10px;
    line-height: 1.7;
    letter-spacing: -0.02em;
    /* Wrap rather than clip: the clone URL must stay readable inside a card. */
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

button.copy {
    flex: 0 0 auto;
    height: 30px;
    padding: 0 10px;
    font-family: var(--font-mono);
    font-size: 9px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    background: var(--control-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--dl-radius);
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s;
}

button.copy:hover {
    color: var(--text-primary);
    border-color: var(--text-muted);
}

/* -- Card footer links -- */

.card-foot {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 16px;
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid var(--card-border);
}

.card-foot a {
    font-size: var(--dl-text-ui);
    font-weight: 600;
    color: var(--green);
    text-decoration: none;
}

.card-foot a:hover {
    color: var(--green);
    text-decoration: underline;
}

/* ================================================================ */
/*  EMPTY / ERROR STATE                                               */
/* ================================================================ */

.message {
    padding: 48px 24px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    text-align: center;
}

.message h2 {
    margin: 0 0 6px;
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.message p {
    margin: 0;
    font-size: var(--dl-text-ui);
    color: var(--text-secondary);
}

/* ================================================================ */
/*  FOOTER                                                            */
/* ================================================================ */

.reg-footer {
    border-top: 1px solid var(--card-border);
    background: var(--card-bg);
}

.reg-footer-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 16px;
    max-width: 1080px;
    margin: 0 auto;
    padding: 20px 40px;
}

.reg-footer .footer-mark {
    font-size: 8px;
    border-width: 1.5px;
    padding: 1px 5px;
}

.reg-footer .footer-mark-accent {
    top: -1.5px;
    right: -1.5px;
    width: 4px;
    height: 4px;
}

.reg-footer-note {
    margin: 0;
    font-family: var(--font-mono);
    font-size: 8px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    line-height: 1.7;
    color: var(--footer-text);
}

/* ================================================================ */
/*  RESPONSIVE                                                        */
/* ================================================================ */

@media (max-width: 768px) {
    .reg-header {
        gap: 10px;
        padding: 0 12px;
    }

    .reg-main {
        padding: 24px 16px 48px;
    }

    .reg-footer-inner {
        padding: 20px 16px;
    }

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

    .field,
    .field-narrow {
        flex: 1 1 100%;
    }
}

@media (max-width: 600px) {
    .reg-header-title {
        display: none;
    }

    .reg-header-link {
        padding: 4px 8px;
    }

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