:root {
    --bg-body: #f4fbf6;
    --bg-card: #ffffff;
    --primary-green: #22c55e;
    --primary-dark: #15803d;
    --primary-light: #dcfce7;
    --primary-subtle: #f0fdf4;
    --border-color: #d1fae5;
    --border-strong: #86efac;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --amber: #f59e0b;
    --amber-soft: #fef3c7;
    --danger: #ef4444;
    --danger-soft: #fee2e2;
    --slate-soft: #e2e8f0;
    --night: #0f172a;
    --shadow-soft: 0 4px 20px -2px rgba(34, 197, 94, 0.08), 0 2px 6px -1px rgba(0, 0, 0, 0.04);
    --radius-lg: 18px;
    --radius-md: 12px;
    --radius-sm: 8px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

[hidden] { display: none !important; }

body {
    background-color: var(--bg-body);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: 'Plus Jakarta Sans', 'Noto Sans JP', sans-serif;
}

header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 14px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.brand { display: flex; align-items: center; gap: 14px; }
.brand-logo-svg { width: 44px; height: 44px; filter: drop-shadow(0 2px 6px rgba(34, 197, 94, 0.25)); }
.brand-title { font-size: 20px; font-weight: 800; color: #14532d; letter-spacing: -0.5px; display: flex; align-items: center; gap: 6px; }
.brand-jp { font-size: 13px; font-weight: 600; color: #16a34a; background: var(--primary-light); padding: 2px 8px; border-radius: 6px; }
.brand-sub { font-size: 12px; color: var(--text-muted); font-weight: 500; }

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

.lang-switch-btn {
    background: var(--primary-subtle);
    border: 1px solid var(--border-color);
    color: var(--primary-dark);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: inherit;
}
.lang-switch-btn:hover { background: var(--primary-light); border-color: var(--primary-green); }

.conn-pill {
    display: flex; align-items: center; gap: 6px;
    font-size: 11px; font-weight: 700; color: #166534;
    background: var(--primary-subtle); border: 1px solid var(--border-color);
    padding: 5px 12px; border-radius: 999px;
}
.conn-pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--text-muted); }
.conn-pill[data-state="live"] .dot { background: var(--primary-green); box-shadow: 0 0 6px var(--primary-green); }
.conn-pill[data-state="photo"] .dot { background: #38bdf8; box-shadow: 0 0 6px #38bdf8; }
.conn-pill[data-state="error"] .dot { background: var(--danger); box-shadow: 0 0 6px var(--danger); }
.conn-pill[data-state="connecting"] .dot { background: var(--amber); box-shadow: 0 0 6px var(--amber); }

main {
    flex: 1;
    padding: 20px 32px;
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 24px;
    align-items: start;
}

.stage-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    box-shadow: var(--shadow-soft);
}

.toolbar { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; padding-bottom: 12px; border-bottom: 1px solid var(--border-color); }
.toolbar-group { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.segmented { display: flex; background: var(--primary-subtle); border: 1px solid var(--border-color); border-radius: 10px; padding: 3px; gap: 2px; }
.seg-btn { background: transparent; border: none; color: var(--text-muted); padding: 6px 12px; border-radius: 8px; font-size: 12px; font-weight: 700; cursor: pointer; font-family: inherit; }
.seg-btn.active { background: var(--primary-green); color: white; box-shadow: 0 2px 8px rgba(34, 197, 94, 0.3); }

.tool-btn {
    background: var(--bg-card); border: 1px solid var(--border-color); color: var(--primary-dark);
    padding: 7px 14px; border-radius: 10px; font-size: 12px; font-weight: 700; cursor: pointer;
    display: inline-flex; align-items: center; gap: 6px; font-family: inherit;
}
.tool-btn:hover:not(:disabled) { background: var(--primary-subtle); border-color: var(--primary-green); }
.tool-btn:disabled { opacity: 0.45; cursor: default; }
.tool-btn.primary { background: var(--primary-green); border-color: var(--primary-green); color: white; }
.tool-btn.danger { background: var(--danger-soft); border-color: #fca5a5; color: #b91c1c; }
.tool-btn.wide { width: 100%; justify-content: center; }

.select { background: var(--bg-card); color: var(--text-main); border: 1px solid var(--border-color); padding: 7px 12px; border-radius: 10px; font-size: 12px; font-weight: 600; font-family: inherit; max-width: 220px; }

.hud { font-size: 11px; font-weight: 700; color: #166534; background: var(--primary-subtle); border: 1px solid var(--border-color); padding: 6px 12px; border-radius: 999px; cursor: pointer; font-variant-numeric: tabular-nums; }
.hud[data-detail="1"] { border-radius: 10px; }

.stage {
    position: relative;
    background: var(--night);
    border-radius: 14px;
    overflow: hidden;
    height: 70vh;
    min-height: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.stage video, .stage img { max-width: 100%; max-height: 100%; display: block; }
/* The canvas is the same contained box as the media it annotates: its backing
   store is the media's own pixel size, so server coordinates map 1:1 and the
   element rect (used for click mapping) is exactly the visible picture. */
.stage canvas {
    position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
    max-width: 100%; max-height: 100%;
}

.stage-empty { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; color: #cbd5e1; font-size: 13px; text-align: center; padding: 24px; }
.stage-empty-icon { font-size: 34px; }

.hint-banner {
    position: absolute; bottom: 16px; left: 50%; transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(8px);
    border: 1px solid var(--primary-green); color: #14532d;
    padding: 8px 20px; border-radius: 999px; font-size: 12px; font-weight: 700;
    box-shadow: 0 4px 16px rgba(34, 197, 94, 0.2); pointer-events: none;
}
.hint-banner[data-kind="warning"] { border-color: var(--amber); color: #92400e; }
.hint-banner[data-kind="danger"] { border-color: var(--danger); color: #991b1b; }

.side-panel { display: flex; flex-direction: column; gap: 16px; }

.card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 18px; display: flex; flex-direction: column; gap: 14px; box-shadow: var(--shadow-soft); }
.card-header { font-size: 12px; font-weight: 800; color: #166534; text-transform: uppercase; letter-spacing: 0.6px; display: flex; justify-content: space-between; align-items: center; padding-bottom: 8px; border-bottom: 1px solid var(--border-color); }
.score-label { font-size: 12px; color: #16a34a; font-weight: 700; text-transform: none; letter-spacing: 0; }

.placeholder { text-align: center; padding: 32px 10px; color: var(--text-muted); font-size: 13px; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.placeholder.small { padding: 16px 8px; font-size: 12px; }
.placeholder-icon { font-size: 32px; }

.card-body { display: flex; flex-direction: column; gap: 14px; }

.product-hero { display: flex; gap: 14px; align-items: center; }
.product-thumb { width: 92px; height: 116px; border-radius: var(--radius-md); object-fit: cover; border: 2px solid var(--primary-light); background: #f8fafc; }
.product-details { flex: 1; display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.product-name { font-size: 16px; font-weight: 800; line-height: 1.3; }
.product-sku { font-size: 11px; color: #16a34a; font-family: ui-monospace, monospace; background: var(--primary-light); padding: 2px 6px; border-radius: 4px; width: fit-content; font-weight: 700; }
.product-price { font-size: 24px; font-weight: 800; color: var(--primary-dark); }

.candidates { display: flex; flex-direction: column; gap: 6px; background: var(--amber-soft); border: 1px solid #fcd34d; border-radius: var(--radius-md); padding: 10px 12px; }
.candidates-title { font-size: 11px; font-weight: 800; color: #92400e; text-transform: uppercase; letter-spacing: 0.5px; }
.candidate-row { display: flex; justify-content: space-between; font-size: 12px; color: #78350f; font-weight: 600; }

.stock-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.stock-metric { background: var(--primary-subtle); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 10px 14px; }
.metric-title { font-size: 11px; color: var(--text-muted); margin-bottom: 4px; font-weight: 600; }
.metric-val { font-size: 16px; font-weight: 800; color: var(--primary-dark); }
.metric-val.small { font-size: 13px; }
.metric-val.warn { color: #b45309; }

.action-btn {
    width: 100%; padding: 12px; border: none; border-radius: var(--radius-md);
    background: linear-gradient(135deg, #22c55e, #16a34a); color: white;
    font-weight: 800; font-size: 14px; cursor: pointer; font-family: inherit;
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    box-shadow: 0 4px 14px rgba(34, 197, 94, 0.3);
}
.action-btn:hover { transform: translateY(-1px); }

.match-box { width: 100%; min-height: 150px; background: var(--night); border-radius: var(--radius-md); border: 1px solid var(--border-color); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.match-box img { width: 100%; height: 100%; object-fit: contain; }
.match-placeholder { color: #94a3b8; font-size: 12px; padding: 20px; text-align: center; }

.inview-list { display: flex; flex-direction: column; gap: 8px; max-height: 320px; overflow-y: auto; }
.inview-row { display: flex; align-items: center; gap: 10px; padding: 8px; border-radius: var(--radius-md); cursor: pointer; }
.inview-row:hover { background: var(--primary-subtle); }
.inview-thumb { width: 34px; height: 44px; border-radius: 6px; object-fit: cover; border: 1px solid var(--border-color); background: #f8fafc; }
.inview-text { flex: 1; min-width: 0; }
.inview-name { font-size: 12px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.inview-meta { font-size: 11px; color: var(--text-muted); }
.inview-facings { font-size: 12px; font-weight: 800; color: var(--primary-dark); }

.status-badge { font-size: 11px; padding: 3px 10px; border-radius: 999px; font-weight: 700; text-transform: none; letter-spacing: 0; }
.badge-neutral { background: var(--slate-soft); color: var(--text-muted); }
.badge-success { background: var(--primary-light); color: var(--primary-dark); }
.badge-warning { background: var(--amber-soft); color: #b45309; }
.badge-danger { background: var(--danger-soft); color: #b91c1c; }

.modal-backdrop { display: none; position: fixed; inset: 0; background: rgba(15, 23, 42, 0.6); backdrop-filter: blur(4px); z-index: 1000; align-items: center; justify-content: center; }
.modal-backdrop.open { display: flex; }
.modal-window { background: #fff; border-radius: 20px; width: 90%; max-width: 600px; padding: 22px; display: flex; flex-direction: column; gap: 14px; }
.modal-header { display: flex; justify-content: space-between; align-items: center; }
.modal-title { font-size: 17px; font-weight: 800; color: #14532d; }
.close-btn { background: none; border: none; font-size: 24px; color: var(--text-muted); cursor: pointer; }
.video-box { width: 100%; height: 340px; background: #000; border-radius: var(--radius-md); overflow: hidden; }
.video-box video { width: 100%; height: 100%; object-fit: cover; }

@media (max-width: 1024px) {
    main { grid-template-columns: 1fr; padding: 16px; }
    .stage { height: 56vh; min-height: 320px; }
}

.ocr-section { border-top: 1px solid var(--border-color); padding-top: 12px; display: flex; flex-direction: column; gap: 8px; }
.ocr-header { display: flex; justify-content: space-between; align-items: center; font-size: 11px; font-weight: 800; color: #0369a1; text-transform: uppercase; letter-spacing: 0.5px; }
.recon-chip { font-size: 10px; font-weight: 800; padding: 2px 8px; border-radius: 999px; text-transform: none; letter-spacing: 0; }
.recon-chip[data-state="confirmed"] { background: var(--primary-light); color: var(--primary-dark); }
.recon-chip[data-state="mismatch"] { background: var(--danger-soft); color: #b91c1c; }
.recon-chip[data-state="unverified"], .recon-chip[data-state="no_tag"] { background: var(--slate-soft); color: var(--text-muted); }
.recon-chip[data-state="tag_only"] { background: #e0f2fe; color: #0369a1; }
.ocr-rows { display: flex; flex-direction: column; gap: 4px; }
.ocr-row { display: flex; justify-content: space-between; gap: 10px; font-size: 12px; }
.ocr-row .ocr-key { color: var(--text-muted); font-weight: 600; }
.ocr-row .ocr-val { color: var(--text-main); font-weight: 700; text-align: right; }
.ocr-row .ocr-val.bad { color: #b91c1c; }
.compliance-strip {
    position: absolute; top: 14px; left: 14px; right: 14px;
    background: rgba(255, 255, 255, 0.94); backdrop-filter: blur(8px);
    border: 1px solid #fca5a5; border-radius: 12px; padding: 8px 14px;
    font-size: 12px; font-weight: 700; color: #b91c1c; display: flex; gap: 12px; flex-wrap: wrap;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08); pointer-events: none;
}
.compliance-strip[data-kind="hint"] { border-color: var(--amber); color: #92400e; }
.compliance-strip .compliance-item { display: inline-flex; align-items: center; gap: 6px; }