/* InstaCode 2026 - Dark theme */
:root {
    --bg: #0e1016; --surface: #171b24; --card: #1b202b; --accent: #233048;
    --text: #e7e9ef; --text-dim: #9098a8; --link: #6db3f2; --border: #2b3140;
    --primary: #3b82f6; --primary-hover: #3573dd; --danger: #ef5350; --ok: #34c759;
    --radius: 10px;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 6px 20px rgba(0,0,0,.22);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: system-ui, -apple-system, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
header { background: var(--surface); border-bottom: 1px solid var(--border); padding: 0 20px; position: sticky; top: 0; z-index: 100; }
.header-inner { max-width: 1400px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; height: 56px; }
.logo { color: #fff; font-weight: 700; font-size: 18px; }
nav { display: flex; gap: 4px; }
nav a { padding: 8px 16px; border-radius: 6px; color: var(--text-dim); font-size: 14px; }
nav a:hover, nav a.active { background: var(--accent); color: #fff; text-decoration: none; }
.user-menu { display: flex; gap: 10px; align-items: center; font-size: 14px; color: var(--text-dim); }
main { max-width: 1400px; margin: 0 auto; padding: 24px 20px; }
footer { text-align: center; padding: 20px; color: var(--text-dim); font-size: 13px; border-top: 1px solid var(--border); margin-top: 40px; }

h1 { color: #fff; margin-bottom: 16px; font-size: 24px; }
h2 { color: #fff; margin: 24px 0 12px; font-size: 18px; }
h3 { color: #ccc; margin: 16px 0 8px; font-size: 15px; }

.search-form { margin-bottom: 24px; }
.search-form input { width: 100%; max-width: 500px; padding: 12px 16px; font-size: 15px; background: var(--surface); color: var(--text); border: 1px solid var(--border); border-radius: var(--radius); }
.search-form input:focus { outline: none; border-color: var(--link); }

.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 16px; box-shadow: var(--shadow); }
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.flex { display: flex; gap: 16px; }
.flex-wrap { flex-wrap: wrap; }

table { width: 100%; border-collapse: collapse; margin: 12px 0; }
th { text-align: left; padding: 10px 12px; background: var(--accent); color: #fff; font-size: 13px; font-weight: 600; }
td { padding: 8px 12px; border-bottom: 1px solid var(--border); font-size: 14px; }
tr:hover td { background: var(--surface); }

.badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px; background: var(--accent); color: #b0d0ff; }
.tag { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 12px; background: var(--surface); border: 1px solid var(--border); margin: 2px; }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat { background: var(--card); padding: 20px; border-radius: var(--radius); border: 1px solid var(--border); text-align: center; }
.stat .num { font-size: 28px; font-weight: 700; color: var(--link); }
.stat .label { font-size: 13px; color: var(--text-dim); margin-top: 4px; }

.key-img { max-width: 200px; max-height: 300px; border-radius: 6px; border: 1px solid var(--border); }
.key-img-thumb { max-height: 60px; border-radius: 4px; border: 1px solid var(--border); }
.detail-row { display: flex; padding: 6px 0; border-bottom: 1px solid var(--border); }
.detail-label { width: 160px; color: var(--text-dim); font-size: 13px; }
.detail-value { flex: 1; }

.empty { color: var(--text-dim); font-style: italic; padding: 20px; }
td.ctx { max-width: 240px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text-dim); font-size: 13px; }
.section-tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); margin-bottom: 20px; }
.section-tabs a { padding: 10px 20px; color: var(--text-dim); border-bottom: 2px solid transparent; }
.section-tabs a.active { color: #fff; border-bottom-color: var(--link); }

.mfg-list { display: flex; flex-wrap: wrap; gap: 6px; }
.mfg-list a { padding: 6px 12px; background: var(--surface); border-radius: 4px; font-size: 13px; border: 1px solid var(--border); }
.mfg-list a:hover { border-color: var(--link); }

.tabs { display: flex; gap: 0; margin: 20px 0; border-bottom: 1px solid var(--border); }
.tabs button { padding: 10px 20px; background: none; border: none; color: var(--text-dim); cursor: pointer; border-bottom: 2px solid transparent; font-size: 14px; }
.tabs button.active { color: #fff; border-bottom-color: var(--link); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.equivalents { display: flex; flex-wrap: wrap; gap: 4px; }
.equivalents .tag { background: var(--accent); color: #b0d0ff; }
.year { color: var(--text-dim); font-size: 13px; }
img.card-image { max-width: 100%; border-radius: var(--radius); border: 1px solid var(--border); }

/* --- polish: image presentation + finishing touches --- */
/* IC diagrams/keys are white-background PNGs — give them a light backing so they read on the dark theme */
img.card-image, .key-img, .key-img-thumb { background: #fff; padding: 6px; }
.key-img-thumb { max-height: 72px; max-width: 120px; object-fit: contain; }
.key-img { max-width: 240px; }
/* version cards: consistent image height + clickable lift */
.grid-3 .card { transition: transform .12s ease, border-color .12s ease; }
.grid-3 .card:hover { transform: translateY(-2px); border-color: var(--link); }
.grid-3 .card img.card-image { display: block; margin: 0 auto 12px; max-height: 220px; object-fit: contain; }
/* broken images: show a subtle placeholder instead of a torn-icon */
img { color: var(--text-dim); font-size: 11px; }
/* tables breathe a little; wrap long depth/space strings */
.detail-value { word-break: break-word; }
table { background: var(--card); border-radius: var(--radius); overflow: hidden; }
th:first-child { border-top-left-radius: var(--radius); }
th:last-child { border-top-right-radius: var(--radius); }
/* search box gets an icon-ish prompt + full focus ring */
.search-form input::placeholder { color: var(--text-dim); }
h1 .badge { font-size: 12px; vertical-align: middle; margin-left: 6px; }

/* --- axis dimensions panel --- */
.dims { display: flex; flex-wrap: wrap; gap: 24px; }
.dim-block h4 { color: var(--text-dim); font-size: 13px; font-weight: 600; margin: 8px 0 4px; }
table.dim-table { width: auto; margin: 0; background: transparent; }
table.dim-table th { background: var(--surface); color: var(--text-dim); font-weight: 600; }
table.dim-table th, table.dim-table td { padding: 5px 10px; text-align: center; font-family: ui-monospace, monospace; border: 1px solid var(--border); }
table.dim-table tr:first-child td { color: var(--link); font-weight: 600; }
table.dim-table tr:hover td { background: transparent; }

/* --- code <-> mechanical converter --- */
.converter .conv-hint { color: var(--text-dim); font-size: 13px; margin-bottom: 12px; }
.conv-controls { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; }
.conv-controls label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--text-dim); }
.conv-controls input { padding: 8px 10px; font-size: 16px; font-family: ui-monospace, monospace; background: var(--surface); color: var(--text); border: 1px solid var(--border); border-radius: 6px; min-width: 180px; }
.conv-controls input:focus { outline: none; border-color: var(--link); }
.conv-arrow { color: var(--text-dim); font-size: 20px; padding-bottom: 6px; }
.conv-msg { margin-top: 14px; font-size: 15px; min-height: 20px; }
.conv-msg .cv-hit { color: var(--link); font-family: ui-monospace, monospace; font-size: 17px; }
.conv-msg .cv-dim { color: var(--text-dim); font-size: 13px; }
.conv-msg .cv-err { color: #e0908a; font-size: 13px; }

/* --- card image with number overlays (native size, no scaling) --- */
.ovwrap { position: relative; display: inline-flex; align-items: center; justify-content: center; background: #fff; line-height: 0; border: 1px solid var(--border); border-radius: var(--radius); }
.ovwrap img { display: block; max-width: none; }
.ovwrap.key-img-wrap { padding: 40px 60px; }
.ov { position: absolute; line-height: 1; white-space: nowrap; font-family: Tahoma, Verdana, sans-serif; transform-origin: center; pointer-events: none; }

/* --- car drill-down + application detail --- */
.crumbs { color: var(--text-dim); font-size: 13px; margin-bottom: 12px; }
.tag.avail { background: var(--accent); color: #b0d0ff; }
iframe.doc { width: 100%; height: 640px; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; }
.infoset h1 { font-size: 18px; }
.infoset h2 { font-size: 15px; color: var(--text); }
.infoset h3 { color: #ccc; }
.infoset p, .infoset li { font-size: 14px; line-height: 1.6; color: var(--text); }
.infoset ul { padding-left: 22px; margin: 6px 0; }

/* ============ workspace components (clients / keys / admin) ============ */
.who { color: var(--text); }
.who .tag { vertical-align: middle; }

/* toolbar: title + actions on one row */
.toolbar { display: flex; align-items: center; gap: 12px; margin: 4px 0 16px; flex-wrap: wrap; }
.toolbar h1, .toolbar h2, .toolbar h3 { margin: 0; }
.toolbar .actions, .toolbar > .actions { margin-left: auto; display: flex; gap: 8px; align-items: center; }
.toolbar > details, .toolbar > .inline-form { margin-left: auto; }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 9px 16px; font-size: 14px; font-weight: 500;
       border-radius: 8px; border: 1px solid var(--border); background: var(--surface); color: var(--text);
       cursor: pointer; text-decoration: none; transition: background .12s, border-color .12s, transform .05s; line-height: 1; }
.btn:hover { border-color: var(--link); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.btn-danger { background: transparent; border-color: #5a3030; color: #ff9a93; }
.btn-danger:hover { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-ghost { background: transparent; }
.btn-sm { padding: 6px 11px; font-size: 13px; }
.btn-xs { padding: 2px 8px; font-size: 13px; border-radius: 6px; }
.inline { display: inline-flex; align-items: center; gap: 8px; }

/* forms */
.form .field { margin-bottom: 14px; display: flex; flex-direction: column; gap: 5px; }
.form label { font-size: 13px; color: var(--text-dim); font-weight: 500; }
.input { width: 100%; padding: 10px 12px; font-size: 15px; background: var(--surface); color: var(--text);
         border: 1px solid var(--border); border-radius: 8px; font-family: inherit; }
.input:focus { outline: none; border-color: var(--link); box-shadow: 0 0 0 3px rgba(109,179,242,.15); }
textarea.input { resize: vertical; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-actions { display: flex; gap: 10px; margin-top: 18px; }
.hint { color: var(--text-dim); font-size: 12px; font-weight: 400; }
.mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; }
.detail-value.mono.big { font-size: 20px; color: var(--link); letter-spacing: 1px; }

/* alerts */
.alert { padding: 11px 14px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; border: 1px solid; }
.alert.error { background: rgba(239,83,80,.1); border-color: rgba(239,83,80,.4); color: #ff9a93; }
.alert.ok { background: rgba(52,199,89,.1); border-color: rgba(52,199,89,.4); color: #7ee29a; }

/* client tiles */
.tile-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.tile { display: block; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
        padding: 16px 18px; box-shadow: var(--shadow); transition: border-color .12s, transform .1s; }
.tile:hover { border-color: var(--link); transform: translateY(-2px); text-decoration: none; }
.tile-title { font-size: 16px; font-weight: 600; color: #fff; margin-bottom: 4px; }
.tile-sub { margin-top: 6px; }
.meta { color: var(--text-dim); font-size: 13px; }

/* groups + key tables */
.group-block { padding: 16px 18px; }
.group-head { display: flex; align-items: center; gap: 10px; }
.group-head h3 { margin: 0; }
.group-head .group-actions { margin-left: auto; display: flex; gap: 6px; }
.keys-table { margin: 8px 0 0; }
.keys-table th { background: transparent; color: var(--text-dim); border-bottom: 1px solid var(--border); }
.notes-body { white-space: pre-wrap; line-height: 1.55; font-size: 14px; }
.inline-form > summary { list-style: none; }
.inline-form > summary::-webkit-details-marker { display: none; }
.form.pop { margin-top: 12px; max-width: 420px; }

/* key photos */
.thumbs { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }
.thumb-wrap { position: relative; }
.thumb { height: 120px; width: auto; border-radius: 8px; border: 1px solid var(--border); object-fit: cover; display: block; }
.thumb-del { position: absolute; top: 4px; right: 4px; }
.thumb-del .btn { background: rgba(0,0,0,.55); }

@media (max-width: 560px) { .grid-2 { grid-template-columns: 1fr; } }

/* autocomplete picker */
.ac { position: relative; }
.ac-menu { display: none; position: absolute; left: 0; right: 0; top: calc(100% + 4px); z-index: 50;
           background: var(--card); border: 1px solid var(--border); border-radius: 8px; box-shadow: var(--shadow);
           max-height: 300px; overflow-y: auto; }
.ac-item { padding: 8px 12px; cursor: pointer; border-bottom: 1px solid var(--border); font-size: 13px; }
.ac-item:last-child { border-bottom: none; }
.ac-item:hover { background: var(--surface); }
.ac-item b { color: var(--link); margin-right: 8px; }
.ac-item span { color: var(--text-dim); }

/* key visualization workbench */
.keyviz .kv-controls { display: flex; flex-wrap: wrap; gap: 16px; align-items: flex-start; margin-bottom: 12px; }
.kv-svg { width: 100%; height: auto; background: #0c0e13; border: 1px solid var(--border); border-radius: 8px; display: block; }
.kv-blade { fill: #c7ccd6; stroke: #888f9f; stroke-width: 1.5; stroke-linejoin: round; }
.kv-bow { fill: none; stroke: #c7ccd6; stroke-width: 7; }
.kv-bowhole { fill: #0c0e13; }
.kv-shoulder { stroke: #ef5350; stroke-width: 1.5; stroke-dasharray: 3 3; }
.kv-cut { fill: var(--link); stroke: #fff; stroke-width: 1; }
.kv-cut.bad { fill: var(--danger); }
.kv-drop { stroke: #5a6172; stroke-width: 1; stroke-dasharray: 2 2; }
.kv-sym { fill: var(--link); font: 600 13px ui-monospace, monospace; text-anchor: middle; }
.kv-dep { fill: var(--text-dim); font: 11px ui-monospace, monospace; text-anchor: middle; }
.kv-pos { fill: var(--text-dim); font: 11px sans-serif; text-anchor: middle; }
.kv-hint { fill: var(--text-dim); font: 13px sans-serif; }
.kv-save { margin-top: 14px; }
.kv-save > summary { display: inline-flex; list-style: none; }
.kv-save > summary::-webkit-details-marker { display: none; }
.keyviz .kv-geo { align-items: flex-end; margin-top: 2px; }
.kv-checkbox { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text); white-space: nowrap; padding-bottom: 10px; cursor: pointer; }
.kv-checkbox input { width: 16px; height: 16px; }
.kv-dims { padding-bottom: 11px; font-family: ui-monospace, monospace; }
.kv-meta { font-size: 13px; font-weight: 400; color: var(--text-dim); margin-left: 8px; }
.kv-savecode { color: var(--link); margin: 0 0 10px; font-size: 13px; min-height: 16px; }
.keyviz { overflow-x: auto; }