@font-face {
    font-family: "Segoe Fluent Icons";
    src: url("/fonts/SegoeFluentIcons.ttf") format("truetype");
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

html[data-theme="dark"] {
    color-scheme: dark;
    --bg: #0f1420;
    --fg: #e7eaf1;
    --surface: #131a27;
    --border: rgba(255, 255, 255, .12);
    --icon: #fff;
    --accent: #1D4ED8;
    --success: #16a34a;
    --danger: #dc2626;
    --muted: rgba(231, 234, 241, .72);
    --input-bg: #1A2231;
}

html[data-theme="light"] {
    color-scheme: light;
    --bg: #ffffff;
    --fg: #111827;
    --surface: #f8fafc;
    --border: rgba(0, 0, 0, .10);
    --icon: #111827;
    --accent: #1D4ED8;
    --success: #16a34a;
    --danger: #dc2626;
    --muted: rgba(17, 24, 39, .7);
    --input-bg: #eef2f7;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--fg);
    font-family: system-ui, "Segoe UI Variable", "Segoe UI", sans-serif;
}

fluent-design-system-provider {
    --accent-fill-rest: var(--accent);
}

header.app-header {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: calc(.6rem + env(safe-area-inset-top)) .25rem .6rem .9rem;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(8px);
    background: color-mix(in oklab, var(--bg), transparent 40%);
}

.spacer {
    flex: 1;
}

.title {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    text-align: center;
}

.toolbar {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    padding-right: max(0px, env(safe-area-inset-right));
}

.fi {
    font-family: "Segoe Fluent Icons";
    font-size: 18px;
    line-height: 1;
    color: var(--icon);
}

[data-theme="light"] .fi {
    color: var(--fg);
}

main {
    padding: 0 1rem;
    max-width: 640px;
    margin: 3rem auto;
}

fluent-card {
    display: block;
}

fluent-card::part(control) {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
}

.card-pad {
    padding: 1.75rem 1.5rem;
    background: var(--surface);
}

.banner {
    border-radius: 12px;
    padding: .9rem 1rem;
    display: flex;
    gap: .6rem;
    align-items: center;
    border: 1px solid var(--border);
    background: color-mix(in oklab, var(--accent), var(--surface) 82%);
    color: var(--fg);
    margin-bottom: 1rem;
}

.banner.err {
    background: rgba(220, 38, 38, .15);
    color: #fca5a5;
    border-color: rgba(220, 38, 38, .4);
    margin-bottom: 0;
}

[data-theme="light"] .banner.err {
    background: #fee2e2;
    color: #b91c1c;
    border-color: #fecaca;
}

.btn-theme::part(control) {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    width: 36px;
    height: 36px;
    min-width: 36px;
    padding: 0 !important;
    display: grid !important;
    place-items: center !important;
    border-radius: 10px;
    margin: 0 !important;
}

.btn-theme:hover::part(control),
.btn-theme:focus-visible::part(control) {
    background: transparent !important;
}

@media (max-width: 480px) {
    .title {
        font-size: 1rem;
    }

    main {
        padding: 0 .75rem;
        margin: 2rem auto;
    }

    .card-pad {
        padding: 1.25rem 1rem;
    }

    header.app-header {
        padding-right: max(.25rem, env(safe-area-inset-right));
    }
}