/* Fuse-dark tokens + layout for the conversion UI.
   NOTE: graph-viewer.css loads AFTER this sheet and carries bare `button`, `header`
   and `*` rules. Anything that must beat those is scoped (`#app button`, `.group header`). */
:root {
    --bg: #161616;
    --surface: #1f1f1f;
    --surface-2: #262626;
    --surface-3: #2f2f2f;
    --border: #2e2e2e;
    --border-strong: #3d3d3d;
    --text: #f2f2f2;
    --muted: #9a9a9a;
    --muted-dim: #6f6f6f;
    --lime: #c5f547;
    --mint: #c5e8c0;
    --peach: #e6c5b3;
    --schema: #8ec8e8;
    --filter: #7eebc5;
    --function: #9b7eed;
    --constant: #e8b88a;
    --coral: #d96b6b;
    --focus: #7eebc5;
    --radius: 14px;
    --radius-sm: 10px;
    --shadow-1: 0 1px 2px rgba(0, 0, 0, .35);
    --shadow-2: 0 10px 30px rgba(0, 0, 0, .45);
    --sp-1: 4px;
    --sp-2: 8px;
    --sp-3: 12px;
    --sp-4: 16px;
    --sp-5: 24px;
    --ease: 140ms cubic-bezier(.2, .6, .3, 1);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    height: 100%;
    background: var(--bg);
    color: var(--text);
    font: 13px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
    -webkit-font-smoothing: antialiased;
}

#app { display: grid; grid-template-rows: 52px 1fr; height: 100%; }

/* ---------- top bar ---------- */
#top {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    padding: 0 var(--sp-4);
    background: linear-gradient(180deg, var(--surface-2), var(--surface));
    border-bottom: 1px solid var(--border);
}
#top h1 {
    font-size: 13px;
    font-weight: 600;
    margin: 0;
    letter-spacing: .01em;
    white-space: nowrap;
}
#map-name {
    color: var(--muted);
    font-size: 12px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding-left: var(--sp-3);
    border-left: 1px solid var(--border);
}
#map-name:empty { display: none; }

.pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border-radius: 999px;
    padding: 3px 10px 3px 8px;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: .02em;
    border: 1px solid var(--border-strong);
    background: var(--bg);
    white-space: nowrap;
}
.pill::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    flex-shrink: 0;
}
.pill.ready { color: var(--muted); }
.pill.busy { color: var(--constant); border-color: color-mix(in srgb, var(--constant) 45%, transparent); }
.pill.busy::before { animation: pulse 1s ease-in-out infinite; }
.pill.done { color: var(--mint); border-color: color-mix(in srgb, var(--mint) 45%, transparent); }
.pill.err { color: var(--coral); border-color: color-mix(in srgb, var(--coral) 55%, transparent); }
@keyframes pulse { 50% { opacity: .25; } }
@media (prefers-reduced-motion: reduce) {
    .pill.busy::before { animation: none; }
    * { transition-duration: 1ms !important; }
}

/* ---------- shell ---------- */
#body { display: grid; grid-template-columns: 380px 1fr; min-height: 0; }
#rail {
    overflow: auto;
    padding: var(--sp-5) var(--sp-4) var(--sp-5);
    border-right: 1px solid var(--border);
    background: var(--surface);
    scrollbar-width: thin;
    scrollbar-color: var(--border-strong) transparent;
}
#main { min-width: 0; min-height: 0; display: flex; flex-direction: column; }

#rail::-webkit-scrollbar, #results::-webkit-scrollbar,
#fuse-json::-webkit-scrollbar, pre.raw::-webkit-scrollbar { width: 10px; height: 10px; }
#rail::-webkit-scrollbar-thumb, #results::-webkit-scrollbar-thumb,
#fuse-json::-webkit-scrollbar-thumb, pre.raw::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: 999px;
    border: 3px solid transparent;
    background-clip: content-box;
}
#rail::-webkit-scrollbar-thumb:hover, #results::-webkit-scrollbar-thumb:hover {
    background: #4d4d4d;
    background-clip: content-box;
}

/* ---------- form controls ---------- */
.lbl {
    display: block;
    color: var(--muted-dim);
    font-size: 10px;
    font-weight: 600;
    margin: var(--sp-5) 0 var(--sp-2);
    text-transform: uppercase;
    letter-spacing: .08em;
}
#rail > form > .lbl:first-of-type { margin-top: 0; }

input[type=text], input[type=number] {
    width: 100%;
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px 10px;
    font: inherit;
    transition: border-color var(--ease), background var(--ease);
}
input[type=text]:hover, input[type=number]:hover { border-color: var(--border-strong); }
input[type=text]::placeholder, input[type=number]::placeholder { color: var(--muted-dim); }

:focus-visible {
    outline: 2px solid var(--focus);
    outline-offset: 2px;
}
input[type=text]:focus-visible, input[type=number]:focus-visible {
    outline-offset: 1px;
    border-color: transparent;
}

.drop {
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius);
    padding: var(--sp-5) var(--sp-4);
    color: var(--muted);
    text-align: center;
    background: var(--bg);
    transition: border-color var(--ease), background var(--ease), color var(--ease);
}
.drop:hover, .drop:focus-within {
    border-color: var(--mint);
    background: var(--surface-2);
    color: var(--text);
}

input[type=file] {
    max-width: 100%;
    width: 100%;
    color: var(--muted);
    font: inherit;
}
input[type=file]::file-selector-button {
    background: var(--surface-2);
    color: var(--text);
    border: 1px solid var(--border-strong);
    border-radius: 999px;
    padding: 5px 12px;
    margin-right: var(--sp-2);
    font: inherit;
    cursor: pointer;
    transition: border-color var(--ease), background var(--ease);
}
input[type=file]::file-selector-button:hover {
    border-color: var(--mint);
    background: var(--surface-3);
}
#mfd-drop input { display: block; margin: var(--sp-2) auto 0; width: auto; }

/* checkbox rows read as one hit target */
label {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    text-transform: none;
    letter-spacing: 0;
    font-size: 13px;
    color: var(--text);
    margin: var(--sp-1) calc(var(--sp-2) * -1);
    padding: 7px var(--sp-2);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--ease);
}
label:hover { background: var(--surface-2); }
label:first-of-type { margin-top: var(--sp-3); }
label input[type=checkbox] { accent-color: var(--filter); cursor: pointer; flex-shrink: 0; }

/* Native <select> is otherwise an OS widget; match the pill buttons / file pickers.
   Scoped so graph-viewer.css's later `*` reset cannot strip padding. */
#app select {
    display: block;
    width: 100%;
    margin-top: var(--sp-2);
    appearance: none;
    -webkit-appearance: none;
    background-color: var(--surface-2);
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'><path fill='none' stroke='%239a9a9a' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round' d='M3 4.5 6 7.5 9 4.5'/></svg>");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 12px;
    color: var(--text);
    border: 1px solid var(--border-strong);
    border-radius: 999px;
    padding: 6px 36px 6px 13px;
    font: inherit;
    line-height: 1.3;
    color-scheme: dark;
    cursor: pointer;
    transition: background var(--ease), border-color var(--ease);
}
#app select:hover:not(:disabled) { background: var(--surface-3); border-color: #4a4a4a; }
#app select:focus-visible { outline-offset: 1px; border-color: transparent; }
#app select:disabled { opacity: .35; cursor: not-allowed; }
#app select option { background: var(--surface-2); color: var(--text); }

/* ---------- buttons ---------- */
#app button {
    border: 1px solid var(--border-strong);
    background: var(--surface-2);
    color: var(--text);
    border-radius: 999px;
    padding: 6px 13px;
    font: inherit;
    line-height: 1.3;
    cursor: pointer;
    transition: background var(--ease), border-color var(--ease), color var(--ease), transform var(--ease);
}
#app button:hover { background: var(--surface-3); border-color: #4a4a4a; }
#app button:active { transform: translateY(1px); }

.seg { display: flex; gap: 6px; flex-wrap: wrap; }
#app .seg button.on {
    background: var(--filter);
    color: #111;
    border-color: transparent;
    font-weight: 600;
}
#app .seg button.on:hover { background: color-mix(in srgb, var(--filter) 88%, #fff); }

#app button.primary {
    background: var(--mint);
    color: #111;
    border-color: transparent;
    width: 100%;
    margin-top: var(--sp-5);
    padding: 10px 16px;
    font-weight: 600;
    letter-spacing: .01em;
    box-shadow: var(--shadow-1);
}
#app button.primary:hover:not(:disabled) { background: color-mix(in srgb, var(--mint) 88%, #fff); }
#app button.primary:disabled {
    opacity: .35;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

#app button.peach { background: var(--peach); color: #111; border-color: transparent; font-weight: 500; }
#app button.peach:hover { background: color-mix(in srgb, var(--peach) 88%, #fff); }

#rail-downloads { margin: var(--sp-3) 0 0; }
#app #rail-downloads button { flex: 1 1 auto; }

/* ---------- tabs ---------- */
#tabs {
    display: flex;
    gap: var(--sp-4);
    padding: 0 var(--sp-4);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    background: var(--surface);
}
#app #tabs button {
    background: none;
    border: 0;
    border-radius: 0;
    border-bottom: 2px solid transparent;
    color: var(--muted);
    padding: 12px 2px;
    font-weight: 500;
    transition: color var(--ease), border-color var(--ease);
}
#app #tabs button:hover { color: var(--text); border-bottom-color: var(--border-strong); background: none; }
#app #tabs button:active { transform: none; }
#app #tabs button.on { color: var(--text); border-bottom-color: var(--lime); }
#app #tabs button:focus-visible { outline-offset: -2px; }

/* ---------- report ---------- */
#results { flex: 1; overflow: auto; padding: var(--sp-5); scrollbar-width: thin; }
#results > .meta { color: var(--muted); font-size: 12px; }
.health { font-size: 15px; font-weight: 500; margin: var(--sp-2) 0 var(--sp-4); }

.stat {
    display: inline-flex;
    gap: 6px;
    align-items: center;
    border: 1px solid var(--border);
    background: var(--surface);
    border-radius: 999px;
    padding: 4px 11px;
    margin: 0 6px 6px 0;
    font-size: 12px;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}
.stat.coral {
    color: var(--coral);
    border-color: color-mix(in srgb, var(--coral) 55%, transparent);
    background: color-mix(in srgb, var(--coral) 10%, var(--surface));
}

.dl-row { display: flex; gap: var(--sp-2); flex-wrap: wrap; margin: var(--sp-4) 0; }
.meta { color: var(--muted); font-size: 12px; }

/* collapsible groups */
.group {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin: var(--sp-3) 0;
    background: var(--surface);
}
details.group > summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    padding-left: var(--sp-3);
    font-weight: 600;
    transition: background var(--ease);
}
details.group > summary::-webkit-details-marker { display: none; }
details.group > summary:hover { background: var(--surface-2); }
details.group > summary:focus-visible { outline-offset: -2px; }
details.group > summary::before {
    content: '';
    width: 6px;
    height: 6px;
    flex-shrink: 0;
    border-right: 1.5px solid var(--muted);
    border-bottom: 1.5px solid var(--muted);
    transform: rotate(-45deg);
    transition: transform var(--ease);
}
details.group[open] > summary::before { transform: rotate(45deg); }
.group header {
    display: block;
    flex: 1;
    padding: 11px var(--sp-3) 11px 0;
    background: none;
    border: 0;
    cursor: pointer;
    font-size: 13px;
    letter-spacing: 0;
}
details.group[open] > summary { border-bottom: 1px solid var(--border); }
.group .group { margin: 0; border: 0; border-radius: 0; border-top: 1px solid var(--border); }
.group .group:first-of-type { border-top: 0; }

/* tables */
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
thead th {
    background: var(--surface-2);
    color: var(--muted);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .05em;
    white-space: nowrap;
}
th, td {
    text-align: left;
    padding: 7px var(--sp-3);
    border-bottom: 1px solid var(--border);
    font-size: 12px;
    vertical-align: top;
}
tbody tr:last-child td { border-bottom: 0; }
tbody tr:nth-child(even) { background: rgba(255, 255, 255, .022); }
tbody tr:hover { background: var(--surface-2); }

/* raw report / misc */
.empty { color: var(--muted); padding: 64px var(--sp-5); text-align: center; font-size: 14px; }
.banner {
    background: color-mix(in srgb, var(--coral) 14%, var(--bg));
    color: var(--coral);
    padding: 10px var(--sp-3);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--coral);
    margin-bottom: var(--sp-3);
}
pre.raw {
    background: var(--bg);
    padding: var(--sp-3);
    overflow: auto;
    max-height: 320px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    font-size: 12px;
    scrollbar-width: thin;
}
#results > details:not(.group) > summary {
    cursor: pointer;
    color: var(--muted);
    padding: var(--sp-2) 0;
    transition: color var(--ease);
}
#results > details:not(.group) > summary:hover { color: var(--text); }

/* graph-viewer.css loads after this sheet; beat its body grid without removing #canvas-wrap dots. */
body { background-image: none; }
html body {
    background-image: none;
    display: block;
    overflow: hidden;
    height: 100%;
}
#status { margin-left: auto; }
#results-wrap {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
}
#graph-host { flex: 1; min-height: 0; display: none; position: relative; }
#graph-host.active {
    display: flex;
    flex-direction: column;
}
#graph-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-3);
    align-items: center;
    padding: var(--sp-2) var(--sp-4);
    border-bottom: 1px solid var(--border);
    background: var(--surface);
    color: var(--muted);
    font-size: 12px;
    flex-shrink: 0;
}
#graph-toolbar strong { color: var(--text); font-variant-numeric: tabular-nums; }
#graph-toolbar #fit-btn { margin-left: auto; }
#cursor-coords { font-variant-numeric: tabular-nums; color: var(--muted-dim); }
#canvas-wrap { flex: 1; min-height: 0; }
#fuse-bar { padding: var(--sp-3) var(--sp-4); margin: 0; flex-shrink: 0; border-bottom: 1px solid var(--border); }
#fuse-json {
    flex: 1;
    overflow: auto;
    margin: 0;
    padding: var(--sp-4);
    background: var(--bg);
    color: var(--text);
    font-size: 12px;
    line-height: 1.55;
    scrollbar-width: thin;
}
#error[hidden], #results-wrap[hidden], #empty[hidden], #results[hidden], #fuse-json[hidden],
#fuse-bar[hidden], #rail-downloads[hidden] {
    display: none !important;
}