/* ---------------------------------------------------------------------------
   QuickResult.net — clean, code-first design for .NET developers.
   Light/dark via prefers-color-scheme; code blocks are always dark.
--------------------------------------------------------------------------- */

:root {
    --bg: #ffffff;
    --surface: #f5f6f8;
    --surface-2: #eceef2;
    --text: #1b212c;
    --muted: #5b6472;
    --border: #e0e4ea;
    --accent: #512bd4;            /* .NET purple */
    --accent-contrast: #ffffff;
    --accent-soft: #ede9fb;
    --link: #4423b8;
    --success: #1a7f37;
    --failure: #c62828;

    --code-bg: #22262e;
    --code-border: #2e333d;
    --code-text: #abb2bf;
    --tok-keyword: #c678dd;
    --tok-typename: #e5c07b;
    --tok-string: #98c379;
    --tok-number: #d19a66;
    --tok-comment: #7f848e;

    --font-body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: ui-monospace, "Cascadia Code", "JetBrains Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0e1116;
        --surface: #161b23;
        --surface-2: #1d232d;
        --text: #e5e9f0;
        --muted: #98a2b3;
        --border: #262d38;
        --accent: #9b7ef7;
        --accent-contrast: #14101f;
        --accent-soft: #241b45;
        --link: #ab93fa;
        --success: #4caf6e;
        --failure: #ef6b62;

        --code-bg: #12151b;
        --code-border: #232936;
    }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background: var(--surface-2);
    border-radius: 4px;
    padding: 0.1em 0.35em;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { line-height: 1.25; letter-spacing: -0.01em; }
h1:focus { outline: none; } /* FocusOnNavigate targets h1 for screen readers */
h1 { font-size: 2rem; }
h2 { font-size: 1.45rem; margin-top: 2.2rem; }
h3 { font-size: 1.1rem; }

/* ---- layout ------------------------------------------------------------ */

.site { min-height: 100vh; display: flex; flex-direction: column; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
}

.site-nav {
    max-width: 1060px;
    margin: 0 auto;
    padding: 0.6rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--text);
}
.brand:hover { text-decoration: none; }

.brand-mark {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 700;
    background: var(--accent);
    color: var(--accent-contrast);
    border-radius: 6px;
    padding: 0.25rem 0.4rem;
}

.nav-links { display: flex; gap: 0.25rem; flex-wrap: wrap; }

.nav-links a {
    color: var(--muted);
    padding: 0.35rem 0.65rem;
    border-radius: 6px;
    font-size: 0.95rem;
}
.nav-links a:hover { color: var(--text); background: var(--surface); text-decoration: none; }
.nav-links a.active { color: var(--accent); background: var(--accent-soft); font-weight: 600; }

.nav-external { margin-left: auto; display: flex; gap: 0.75rem; font-size: 0.9rem; }
.nav-external a { color: var(--muted); }
.nav-external a:hover { color: var(--text); }

.site-main {
    flex: 1;
    width: 100%;
    max-width: 1060px;
    margin: 0 auto;
    padding: 1.5rem 1.25rem 4rem;
}

.site-footer {
    border-top: 1px solid var(--border);
    background: var(--surface);
    font-size: 0.875rem;
    color: var(--muted);
}
.footer-inner {
    max-width: 1060px;
    margin: 0 auto;
    padding: 1rem 1.25rem;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ---- hero (home) --------------------------------------------------------- */

.hero { text-align: center; padding: 3.5rem 0 2rem; }

.hero h1 { font-size: 2.6rem; margin: 0 0 1rem; }
.hero h1 em { color: var(--accent); font-style: normal; }

.hero-tagline {
    max-width: 620px;
    margin: 0 auto 1.75rem;
    color: var(--muted);
    font-size: 1.1rem;
}

.install-command {
    display: inline-block;
    background: var(--code-bg);
    border: 1px solid var(--code-border);
    border-radius: 8px;
    padding: 0.7rem 1.4rem;
    margin-bottom: 1.75rem;
}
.install-command code {
    background: none;
    color: var(--tok-string);
    font-size: 1rem;
    padding: 0;
}

.hero-actions { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }

.button {
    display: inline-block;
    padding: 0.55rem 1.2rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    color: var(--text);
    font-weight: 600;
    background: var(--surface);
}
.button:hover { text-decoration: none; border-color: var(--accent); color: var(--accent); }
.button-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-contrast); }
.button-primary:hover { color: var(--accent-contrast); opacity: 0.92; }

.home-section { max-width: 820px; margin: 3rem auto 0; }
.home-section-footer { color: var(--muted); }

.feature-grid-section { max-width: 1060px; }
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 1.25rem;
}
.feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.1rem 1.25rem;
}
.feature-card h3 { margin: 0 0 0.4rem; }
.feature-card p { margin: 0; color: var(--muted); font-size: 0.95rem; }

/* ---- doc pages --------------------------------------------------------------- */

.doc-page { max-width: 820px; margin: 0 auto; }
.doc-page .lead { font-size: 1.1rem; color: var(--muted); }

.next-steps {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.5rem 1.5rem 1rem;
    margin-top: 2.5rem;
}

.history-list dt {
    font-weight: 700;
    margin-top: 1.4rem;
    color: var(--accent);
}
.history-list dd { margin: 0.35rem 0 0; }

/* ---- code blocks ------------------------------------------------------------ */

.code-block {
    background: var(--code-bg);
    border: 1px solid var(--code-border);
    border-radius: 10px;
    padding: 1rem 1.2rem;
    overflow-x: auto;
    color: var(--code-text);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.55;
    tab-size: 4;
}
.code-block code { background: none; padding: 0; font-size: inherit; color: inherit; }

.tok-keyword { color: var(--tok-keyword); }
.tok-typename { color: var(--tok-typename); }
.tok-string { color: var(--tok-string); }
.tok-number { color: var(--tok-number); }
.tok-comment { color: var(--tok-comment); font-style: italic; }

/* ---- interactive examples ------------------------------------------------- */

.examples-page h2 { border-bottom: 1px solid var(--border); padding-bottom: 0.4rem; }

.example-toc {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1rem 1.25rem;
    margin: 1.5rem 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.9rem;
}
.example-toc-group { display: flex; flex-direction: column; gap: 0.15rem; }
.example-toc-category {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
    margin-bottom: 0.2rem;
}
.example-toc a { font-size: 0.92rem; }

.example {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem 1.4rem 1.4rem;
    margin: 1.5rem 0;
    background: var(--bg);
    scroll-margin-top: 5rem;
}
.example-title { margin: 0 0 0.3rem; }
.example-description { margin: 0 0 1rem; color: var(--muted); }

.example-controls {
    display: flex;
    align-items: flex-end;
    gap: 0.9rem;
    flex-wrap: wrap;
    margin-top: 0.9rem;
}

.example-input { display: flex; flex-direction: column; gap: 0.25rem; }
.example-input-label { font-size: 0.8rem; font-weight: 600; color: var(--muted); }
.example-input input {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    padding: 0.45rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: 7px;
    background: var(--surface);
    color: var(--text);
    min-width: 11rem;
}
.example-input input:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }

.run-button {
    font-family: var(--font-body);
    font-size: 0.92rem;
    font-weight: 700;
    padding: 0.5rem 1.3rem;
    border-radius: 7px;
    border: none;
    background: var(--accent);
    color: var(--accent-contrast);
    cursor: pointer;
}
.run-button:hover:not(:disabled) { opacity: 0.9; }
.run-button:disabled { opacity: 0.6; cursor: default; }

.example-output {
    margin-top: 1rem;
    background: var(--code-bg);
    border: 1px solid var(--code-border);
    border-radius: 10px;
    padding: 0.75rem 1.2rem 0.9rem;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--code-text);
    overflow-x: auto;
}
.output-label {
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--tok-comment);
    margin-bottom: 0.4rem;
}
.output-line { white-space: pre-wrap; }
.output-success { color: var(--tok-string); }
.output-failure { color: #e06c75; }

/* ---- reference --------------------------------------------------------------- */

.reference-toc {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1.25rem 0 0.5rem;
}
.reference-toc a {
    font-size: 0.88rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0.25rem 0.8rem;
    color: var(--muted);
}
.reference-toc a:hover { color: var(--accent); border-color: var(--accent); text-decoration: none; }

.reference-page section { scroll-margin-top: 5rem; }

.api-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
    margin: 1rem 0;
}
.api-table th {
    text-align: left;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--muted);
    border-bottom: 2px solid var(--border);
    padding: 0.4rem 0.75rem 0.4rem 0;
}
.api-table td {
    vertical-align: top;
    border-bottom: 1px solid var(--border);
    padding: 0.55rem 0.75rem 0.55rem 0;
}
.api-table td:first-child { white-space: nowrap; }
.api-table code { font-size: 0.85em; }

@media (max-width: 640px) {
    .api-table td:first-child { white-space: normal; }
    .hero h1 { font-size: 1.9rem; }
}

/* ---- contact ----------------------------------------------------------------- */

.contact-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}
.contact-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.25rem 1.4rem;
}
.contact-card h2 { margin-top: 0; font-size: 1.15rem; }
.contact-address { font-size: 1.05rem; font-weight: 600; }
.contact-note { color: var(--muted); font-size: 0.9rem; margin-bottom: 0; }

/* ---- loading screen ------------------------------------------------------------ */

.app-loading {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}
.app-loading-mark {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.3rem;
    background: var(--accent);
    color: var(--accent-contrast);
    border-radius: 10px;
    padding: 0.5rem 0.8rem;
}
.app-loading-text { color: var(--muted); }

.loading-progress {
    position: relative;
    display: block;
    width: 6rem;
    height: 6rem;
}
.loading-progress circle {
    fill: none;
    stroke: var(--surface-2);
    stroke-width: 0.5rem;
    transform-origin: 50% 50%;
    transform: rotate(-90deg);
}
.loading-progress circle:last-child {
    stroke: var(--accent);
    stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * 0.8), 500%;
    transition: stroke-dasharray 0.05s ease-in-out;
}

#blazor-error-ui {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--failure);
    color: #fff;
    padding: 0.7rem 1.25rem;
    z-index: 100;
}
#blazor-error-ui .reload { color: #fff; text-decoration: underline; }
#blazor-error-ui .dismiss { float: right; cursor: pointer; }