/*
    Styles for the fit-kotlin-sdk browser demo. Hand-written, local to this repository.
    No web fonts and no CDN: the page is a static artefact served from GitHub Pages and
    must work offline, from a file:// URL, and behind a strict CSP.
*/

:root {
    --bg: #f6f7f9;
    --panel: #ffffff;
    --ink: #16191d;
    --ink-soft: #5b6570;
    --line: #e2e6ea;
    --accent: #0b6bcb;
    --accent-ink: #ffffff;
    --danger: #b3261e;
    --danger-bg: #fdecea;
    --chart-1: #0b6bcb;
    --chart-2: #1f9d55;
    --chart-3: #c2410c;
    --chart-4: #7c3aed;
    --chart-5: #0891b2;
    --radius: 12px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0f1216;
        --panel: #171b21;
        --ink: #e8ecf1;
        --ink-soft: #9aa4b0;
        --line: #262c35;
        --accent: #58a6ff;
        --accent-ink: #08111d;
        --danger: #ff8a80;
        --danger-bg: #2a1614;
        --chart-1: #58a6ff;
        --chart-2: #3fb950;
        --chart-3: #ff8c42;
        --chart-4: #bc8cff;
        --chart-5: #2dd4bf;
    }
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.92em;
}

a {
    color: var(--accent);
}

/* ------------------------------------------------------------------ topbar */

.topbar {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    background: var(--panel);
    border-bottom: 1px solid var(--line);
}

.brand {
    display: flex;
    gap: 14px;
    align-items: center;
}

.logo {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: var(--accent);
    color: var(--accent-ink);
    font-weight: 700;
    letter-spacing: 0.5px;
}

.topbar h1 {
    margin: 0;
    font-size: 20px;
}

.tagline {
    margin: 2px 0 0;
    color: var(--ink-soft);
    font-size: 13px;
}

.topbar-meta {
    display: flex;
    gap: 8px;
    align-items: center;
}

.pill {
    padding: 5px 11px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--ink-soft);
    font-size: 12.5px;
    text-decoration: none;
}

.pill.link:hover {
    border-color: var(--accent);
    color: var(--accent);
}

main {
    max-width: 1180px;
    margin: 0 auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* ---------------------------------------------------------------- dropzone */

.dropzone {
    padding: 34px 20px;
    border: 2px dashed var(--line);
    border-radius: var(--radius);
    background: var(--panel);
    text-align: center;
    transition:
        border-color 0.15s ease,
        background 0.15s ease;
}

.dropzone.dragover {
    border-color: var(--accent);
    background: color-mix(in srgb, var(--accent) 8%, var(--panel));
}

.dropzone-title {
    margin: 0 0 14px;
    font-size: 17px;
}

.dropzone-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

button {
    font: inherit;
    padding: 9px 16px;
    border-radius: 9px;
    border: 1px solid var(--line);
    cursor: pointer;
    background: var(--panel);
    color: var(--ink);
}

button:hover:not(:disabled) {
    border-color: var(--accent);
}

button:disabled {
    opacity: 0.55;
    cursor: default;
}

button.primary {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--accent-ink);
}

.status {
    margin: 14px 0 0;
    min-height: 1.5em;
    color: var(--ink-soft);
    font-size: 13.5px;
}

.status.error {
    color: var(--danger);
}

/* ------------------------------------------------------------------- cards */

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: 12px;
}

.card {
    padding: 12px 14px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.card-label {
    color: var(--ink-soft);
    font-size: 11.5px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.card-value {
    margin-top: 4px;
    font-size: 19px;
    font-weight: 600;
    overflow-wrap: anywhere;
}

/* ------------------------------------------------------------------ panels */

.panels {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 20px;
}

.panel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 16px;
}

.panel-head {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.panel-head h2 {
    margin: 0;
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ink-soft);
}

.panel-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.checkbox {
    display: flex;
    gap: 6px;
    align-items: center;
    color: var(--ink-soft);
    font-size: 13px;
}

.note {
    color: var(--ink-soft);
    font-size: 12.5px;
    margin: 0 0 8px;
}

.canvas-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
}

canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.toggles {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.toggle {
    padding: 4px 10px;
    font-size: 12.5px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: transparent;
    color: var(--ink-soft);
}

.toggle.on {
    color: var(--ink);
    border-color: currentColor;
}

.toggle .swatch {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 6px;
    background: currentColor;
}

/* ----------------------------------------------------------------- errors */

.errors {
    padding: 12px 16px;
    background: var(--danger-bg);
    border: 1px solid var(--danger);
    border-radius: var(--radius);
    color: var(--danger);
    font-size: 13.5px;
}

.errors ul {
    margin: 6px 0 0;
    padding-left: 18px;
}

/* --------------------------------------------------------------- messages */

.messages {
    display: grid;
    grid-template-columns: minmax(190px, 240px) 1fr;
    gap: 16px;
}

@media (max-width: 720px) {
    .messages {
        grid-template-columns: 1fr;
    }
}

.mesg-types {
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 420px;
    overflow-y: auto;
    border: 1px solid var(--line);
    border-radius: 10px;
}

.mesg-types li button {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    width: 100%;
    border: 0;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    background: transparent;
    padding: 8px 12px;
    font-size: 13.5px;
    text-align: left;
}

.mesg-types li:last-child button {
    border-bottom: 0;
}

.mesg-types li button.on {
    background: color-mix(in srgb, var(--accent) 12%, transparent);
    color: var(--accent);
    font-weight: 600;
}

.mesg-types .count {
    color: var(--ink-soft);
    font-variant-numeric: tabular-nums;
}

.table-scroll {
    overflow: auto;
    max-height: 420px;
    border: 1px solid var(--line);
    border-radius: 10px;
}

table {
    border-collapse: collapse;
    width: 100%;
    font-size: 13px;
}

th,
td {
    padding: 6px 10px;
    text-align: left;
    white-space: nowrap;
    border-bottom: 1px solid var(--line);
}

thead th {
    position: sticky;
    top: 0;
    background: var(--panel);
    z-index: 1;
}

th .units {
    display: block;
    font-weight: 400;
    font-size: 11px;
    color: var(--ink-soft);
}

tbody tr:hover td {
    background: color-mix(in srgb, var(--accent) 7%, transparent);
}

td.num {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

/* ------------------------------------------------------------------ footer */

.footer {
    max-width: 1180px;
    margin: 0 auto;
    padding: 8px 24px 32px;
    color: var(--ink-soft);
    font-size: 12.5px;
}