/*
 * Buzz User Manager — dependency-free UI.
 * Theming: override the --bum-* custom properties on .bum (accent colour, radius, font) from your own stylesheet.
 * Dark mode: opt in with data-bum-theme="auto" (follows the OS) or "dark" on <html> or <body>; the bundle's default
 * base template uses "auto". Host layouts that are light-only stay light.
 */
:where(.bum, .bum-body) {
    --bum-accent: #4f46e5;
    --bum-accent-hover: #4338ca;
    --bum-accent-soft: #eef2ff;
    --bum-on-accent: #fff;
    --bum-text: #0f172a;
    --bum-muted: #5b6678;
    --bum-page: #f5f6fa;
    --bum-surface: #fff;
    --bum-surface-2: #f8fafc;
    --bum-border: #e2e8f0;
    --bum-border-strong: #cbd5e1;
    --bum-danger: #c81e1e;
    --bum-danger-soft: #fef2f2;
    --bum-success: #15803d;
    --bum-success-soft: #f0fdf4;
    --bum-radius: 16px;
    --bum-radius-sm: 10px;
    --bum-shadow: 0 1px 2px rgb(15 23 42 / .05), 0 12px 32px -16px rgb(15 23 42 / .18);
    --bum-ring: 0 0 0 3px color-mix(in srgb, var(--bum-accent) 28%, transparent);
    --bum-font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

:where([data-bum-theme="dark"]) :where(.bum, .bum-body), :where(.bum-body)[data-bum-theme="dark"] {
    --bum-accent: #8b93ff; --bum-accent-hover: #a5abff; --bum-accent-soft: #1e2140; --bum-on-accent: #0b1020;
    --bum-text: #e6e9f0; --bum-muted: #9aa4b5; --bum-page: #0b0e14; --bum-surface: #131722; --bum-surface-2: #181d2a;
    --bum-border: #262d3d; --bum-border-strong: #364056; --bum-danger: #f87171; --bum-danger-soft: #2a1416;
    --bum-success: #4ade80; --bum-success-soft: #10241a;
    --bum-shadow: 0 1px 2px rgb(0 0 0 / .4), 0 12px 32px -16px rgb(0 0 0 / .6);
}
@media (prefers-color-scheme: dark) {
    :where([data-bum-theme="auto"]) :where(.bum, .bum-body), :where(.bum-body)[data-bum-theme="auto"] {
        --bum-accent: #8b93ff; --bum-accent-hover: #a5abff; --bum-accent-soft: #1e2140; --bum-on-accent: #0b1020;
        --bum-text: #e6e9f0; --bum-muted: #9aa4b5; --bum-page: #0b0e14; --bum-surface: #131722; --bum-surface-2: #181d2a;
        --bum-border: #262d3d; --bum-border-strong: #364056; --bum-danger: #f87171; --bum-danger-soft: #2a1416;
        --bum-success: #4ade80; --bum-success-soft: #10241a;
        --bum-shadow: 0 1px 2px rgb(0 0 0 / .4), 0 12px 32px -16px rgb(0 0 0 / .6);
    }
}

/* ---------------------------------------------------------------- page */
.bum-body { margin: 0; min-height: 100dvh; background: var(--bum-page); color-scheme: light dark; }
.bum { box-sizing: border-box; margin: 0 auto; padding: clamp(1.5rem, 7vh, 4.5rem) 1rem 3rem; color: var(--bum-text);
       font: 400 1rem/1.55 var(--bum-font); -webkit-font-smoothing: antialiased; text-wrap: pretty; }
.bum *, .bum *::before, .bum *::after { box-sizing: border-box; }
.bum [hidden] { display: none !important; }
.bum--narrow { max-width: 27rem; }
.bum--wide { max-width: 66rem; }
.bum a { color: var(--bum-accent); text-underline-offset: .2em; }
.bum a:hover { color: var(--bum-accent-hover); }
.bum :focus-visible { outline: none; box-shadow: var(--bum-ring); border-radius: 6px; }
.bum p { margin: 0; }
.bum-stack { display: grid; gap: 1rem; }

/* ---------------------------------------------------------------- card */
.bum-card { display: grid; gap: 1rem; align-content: start; padding: 1.5rem; background: var(--bum-surface);
            border: 1px solid var(--bum-border); border-radius: var(--bum-radius); box-shadow: var(--bum-shadow); }
.bum-card--auth { gap: 1.25rem; padding: clamp(1.5rem, 5vw, 2.25rem); }
.bum-card--wide { grid-column: 1 / -1; }
.bum-card--danger { border-color: color-mix(in srgb, var(--bum-danger) 35%, var(--bum-border)); }
.bum-card__head { display: flex; align-items: center; gap: .75rem; }
.bum-card__head h2 { flex: 1; margin: 0; font-size: 1rem; font-weight: 650; letter-spacing: -.01em; }
.bum-card__text { color: var(--bum-muted); font-size: .925rem; }
.bum-card__actions { display: flex; flex-wrap: wrap; gap: .5rem; align-items: start; margin-top: auto; }

.bum-auth-head { display: grid; gap: .4rem; justify-items: center; text-align: center; }
.bum-title { margin: 0; font-size: 1.5rem; font-weight: 700; letter-spacing: -.025em; line-height: 1.2; }
.bum-subtitle { color: var(--bum-muted); font-size: .95rem; }
.bum-foot { text-align: center; font-size: .9rem; color: var(--bum-muted); }

/* ---------------------------------------------------------------- icons */
.bum-icon { width: 1.15em; height: 1.15em; flex: none; vertical-align: -.2em; }
.bum-bubble { display: inline-grid; place-items: center; width: 2.25rem; height: 2.25rem; flex: none; border-radius: 10px;
              background: var(--bum-accent-soft); color: var(--bum-accent); }
.bum-bubble--lg { width: 3rem; height: 3rem; border-radius: 14px; margin-bottom: .35rem; }
.bum-bubble--lg .bum-icon { width: 1.5rem; height: 1.5rem; }
.bum-bubble--danger { background: var(--bum-danger-soft); color: var(--bum-danger); }

/* ---------------------------------------------------------------- forms */
.bum-form { display: grid; gap: .9rem; margin: 0; }
.bum-field { display: grid; gap: .35rem; }
.bum-field__row { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; }
.bum label { font-size: .875rem; font-weight: 550; }
.bum-field__row a, .bum-hint, .bum small { font-size: .85rem; }
.bum-hint, .bum small { color: var(--bum-muted); }
.bum input[type="text"], .bum input[type="email"], .bum input[type="password"] {
    width: 100%; height: 2.75rem; padding: 0 .85rem; color: inherit; background: var(--bum-surface);
    border: 1px solid var(--bum-border-strong); border-radius: var(--bum-radius-sm); font: inherit;
    transition: border-color .15s, box-shadow .15s; }
.bum input::placeholder { color: var(--bum-muted); opacity: .7; }
.bum input:hover { border-color: var(--bum-muted); }
.bum input:focus-visible { border-color: var(--bum-accent); box-shadow: var(--bum-ring); border-radius: var(--bum-radius-sm); }
.bum-input--code { text-align: center; font-size: 1.35rem !important; letter-spacing: .3em; font-variant-numeric: tabular-nums; }

/* ---------------------------------------------------------------- buttons */
.bum-button { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; min-height: 2.75rem; padding: 0 1.1rem;
              border: 1px solid transparent; border-radius: var(--bum-radius-sm); background: var(--bum-accent); color: var(--bum-on-accent);
              font: 600 .95rem/1 var(--bum-font); text-decoration: none; cursor: pointer; user-select: none;
              transition: background-color .15s, border-color .15s, transform .05s; }
.bum a.bum-button, .bum a.bum-button:hover { color: var(--bum-on-accent); }
.bum-button:hover { background: var(--bum-accent-hover); }
.bum-button:active { transform: translateY(1px); }
.bum-button:focus-visible { box-shadow: var(--bum-ring); border-radius: var(--bum-radius-sm); }
.bum-button[disabled] { opacity: .65; cursor: progress; }
.bum-button--block { width: 100%; }
.bum-button--sm { min-height: 2.25rem; padding: 0 .8rem; font-size: .875rem; }
.bum-button--secondary, .bum a.bum-button--secondary { background: var(--bum-surface); border-color: var(--bum-border-strong); color: var(--bum-text); }
.bum-button--secondary:hover, .bum a.bum-button--secondary:hover { background: var(--bum-surface-2); border-color: var(--bum-muted); color: var(--bum-text); }
.bum-button--danger, .bum a.bum-button--danger { background: var(--bum-surface); border-color: color-mix(in srgb, var(--bum-danger) 45%, var(--bum-border)); color: var(--bum-danger); }
.bum-button--danger:hover { background: var(--bum-danger-soft); color: var(--bum-danger); }
.bum-button--ghost, .bum a.bum-button--ghost { background: transparent; color: var(--bum-muted); }
.bum-button--ghost:hover, .bum a.bum-button--ghost:hover { background: var(--bum-surface-2); color: var(--bum-text); }
.bum-button[aria-busy="true"]::before { content: ""; width: 1em; height: 1em; border: 2px solid currentColor; border-right-color: transparent;
                                        border-radius: 50%; animation: bum-spin .7s linear infinite; }
@keyframes bum-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .bum-button, .bum input { transition: none; } .bum-button[aria-busy="true"]::before { animation-duration: 2s; } }

/* ---------------------------------------------------------------- disclosure (confirm with password, optional forms) */
.bum-disclosure { min-width: 0; }
.bum-disclosure > summary { list-style: none; }
.bum-disclosure > summary::-webkit-details-marker { display: none; }
.bum-disclosure[open] { flex-basis: 100%; }
.bum-disclosure[open] > summary { margin-bottom: .75rem; }
.bum-disclosure__panel { display: grid; gap: .9rem; padding: 1rem; background: var(--bum-surface-2); border: 1px solid var(--bum-border); border-radius: var(--bum-radius-sm); }

.bum-divider { display: flex; align-items: center; gap: .75rem; color: var(--bum-muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; }
.bum-divider::before, .bum-divider::after { content: ""; flex: 1; height: 1px; background: var(--bum-border); }

/* ---------------------------------------------------------------- feedback */
.bum-alert { margin: 0; padding: .75rem .9rem; border: 1px solid; border-radius: var(--bum-radius-sm); font-size: .925rem; }
.bum-alert--success { background: var(--bum-success-soft); border-color: color-mix(in srgb, var(--bum-success) 35%, transparent); color: var(--bum-success); }
.bum-alert--error { background: var(--bum-danger-soft); border-color: color-mix(in srgb, var(--bum-danger) 35%, transparent); color: var(--bum-danger); }
.bum-alert ul { margin: 0; padding-left: 1.1rem; }
.bum > .bum-alert { margin-bottom: 1rem; }
.bum-error { color: var(--bum-danger); font-size: .9rem; }
.bum-badge { display: inline-flex; align-items: center; gap: .35rem; padding: .2rem .6rem; border-radius: 999px; font-size: .75rem; font-weight: 600;
             background: var(--bum-surface-2); color: var(--bum-muted); border: 1px solid var(--bum-border); white-space: nowrap; }
.bum-badge::before { content: ""; width: .45rem; height: .45rem; border-radius: 50%; background: currentColor; opacity: .7; }
.bum-badge--on { background: var(--bum-success-soft); color: var(--bum-success); border-color: color-mix(in srgb, var(--bum-success) 30%, transparent); }

/* ---------------------------------------------------------------- account page */
.bum-header { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.bum-header__text { flex: 1; min-width: 12rem; }
.bum-avatar { display: grid; place-items: center; width: 3rem; height: 3rem; flex: none; border-radius: 50%; background: var(--bum-accent); color: var(--bum-on-accent);
              font-weight: 700; font-size: 1.15rem; }
.bum-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr)); gap: 1rem; align-items: stretch; }
.bum-list { display: grid; gap: .5rem; margin: 0; padding: 0; list-style: none; }
.bum-passkey { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; padding: .75rem; border: 1px solid var(--bum-border); border-radius: var(--bum-radius-sm); }
.bum-passkey__text { flex: 1; min-width: 8rem; display: grid; }
.bum-passkey__text strong { font-weight: 600; overflow-wrap: anywhere; }
.bum-inline { display: flex; gap: .5rem; align-items: end; }
.bum-inline .bum-field { flex: 1; }
.bum-table-wrap { overflow-x: auto; margin: 0 -.25rem; }
.bum-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.bum-table th { text-align: left; padding: .5rem .5rem; color: var(--bum-muted); font-size: .75rem; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; border-bottom: 1px solid var(--bum-border); }
.bum-table td { padding: .6rem .5rem; border-bottom: 1px solid var(--bum-border); font-variant-numeric: tabular-nums; }
.bum-table tr:last-child td { border-bottom: 0; }

/* ---------------------------------------------------------------- secrets and codes */
.bum code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.bum-secret { display: block; padding: .6rem .75rem; background: var(--bum-surface-2); border: 1px dashed var(--bum-border-strong); border-radius: var(--bum-radius-sm);
              word-break: break-all; font-size: .9rem; letter-spacing: .04em; }
.bum-codes { display: grid; grid-template-columns: repeat(2, 1fr); gap: .5rem; margin: 0; padding: 0; list-style: none; }
.bum-codes li { padding: .55rem; text-align: center; background: var(--bum-surface-2); border: 1px solid var(--bum-border); border-radius: var(--bum-radius-sm); font-size: 1rem; letter-spacing: .05em; }
.bum-steps { display: grid; gap: .9rem; margin: 0; padding-left: 1.25rem; color: var(--bum-muted); font-size: .925rem; }
.bum-steps li::marker { color: var(--bum-accent); font-weight: 700; }
.bum-qr { display: block; margin: .6rem auto; padding: .5rem; background: #fff; border-radius: var(--bum-radius-sm); border: 1px solid var(--bum-border); }