:root {
  color-scheme: dark;
  --bg: #0a0d0c;
  --panel: #111614;
  --panel-2: #171d1a;
  --line: #29322e;
  --text: #f2f7f4;
  --muted: #98a59f;
  --accent: #22d39a;
  --accent-2: #0e8c68;
  --danger: #ff6b6b;
  --warning: #ffca68;
  --shadow: 0 18px 55px rgba(0, 0, 0, .28);
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #eef3f0;
  --panel: #ffffff;
  --panel-2: #f4f7f5;
  --line: #d4ddd8;
  --text: #17211d;
  --muted: #66746e;
  --accent: #087c5d;
  --accent-2: #065e47;
  --danger: #b62f3a;
  --warning: #8a5a00;
  --shadow: 0 18px 55px rgba(38, 59, 50, .12);
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.45 Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }

.login-shell { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: radial-gradient(circle at 50% 10%, rgba(34,211,154,.14), transparent 35%); }
.login-card { width: min(430px, 100%); padding: 38px; border: 1px solid var(--line); border-radius: 20px; background: var(--panel); box-shadow: var(--shadow); }
.brand-mark, .logo { display: inline-grid; place-items: center; background: var(--accent); color: #032b20; font-weight: 900; }
.brand-mark { width: 54px; height: 54px; border-radius: 14px; font-size: 20px; }
.logo { width: 34px; height: 34px; border-radius: 9px; margin-right: 10px; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 8px; font-size: 30px; }
h2 { margin-bottom: 0; font-size: 23px; }
h3 { margin-bottom: 14px; font-size: 16px; }
.eyebrow { margin: 16px 0 6px; color: var(--accent); font-size: 11px; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.muted, .hint, .micro { color: var(--muted); }
.hint { margin: -6px 0 14px; font-size: 12px; }
.micro { margin: 9px 0 0; font-size: 11px; }
.error { color: var(--danger); }

label { display: grid; gap: 7px; color: var(--muted); font-size: 12px; font-weight: 650; }
.login-card label { margin-top: 18px; }
input, select, textarea { width: 100%; padding: 10px 11px; border: 1px solid var(--line); border-radius: 9px; outline: none; background: var(--panel-2); color: var(--text); }
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 16%, transparent); }
textarea { resize: vertical; }

.primary, .secondary, .ghost, .text-button { border: 0; border-radius: 9px; padding: 10px 14px; color: var(--text); font-weight: 750; }
.primary { background: var(--accent); color: #032b20; }
.primary:hover { filter: brightness(1.08); }
.primary:disabled { opacity: .45; cursor: not-allowed; }
.secondary { border: 1px solid var(--line); background: var(--panel-2); }
.ghost { background: transparent; color: var(--muted); }
.text-button { padding: 4px 0; background: transparent; color: var(--accent); }
.full { width: 100%; margin-top: 20px; }

.app-shell { height: 100vh; display: grid; grid-template: 62px minmax(0, 1fr) / 270px minmax(0, 1fr); overflow: hidden; }
.topbar { z-index: 5; grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; padding: 0 20px; border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--panel) 94%, transparent); backdrop-filter: blur(12px); }
.topbar > div, .top-actions { display: flex; align-items: center; gap: 10px; }
.badge, .counter { display: inline-flex; align-items: center; min-height: 24px; padding: 3px 9px; border-radius: 999px; background: color-mix(in srgb, var(--accent) 14%, var(--panel)); color: var(--accent); font-size: 11px; font-weight: 800; }
.sidebar { min-height: 0; display: flex; flex-direction: column; overflow: hidden; border-right: 1px solid var(--line); background: var(--panel); }
.sidebar-head { padding: 18px; border-bottom: 1px solid var(--line); }
.sidebar-head .eyebrow { margin-top: 0; }
.progress-label { margin-bottom: 8px; font-size: 18px; font-weight: 800; }
.progress-track { height: 6px; margin-bottom: 14px; overflow: hidden; border-radius: 9px; background: var(--panel-2); }
.progress-track > div { width: 0; height: 100%; background: var(--accent); transition: width .25s ease; }
.case-list { flex: 1; min-height: 0; padding: 8px; overflow: auto; }
.case-button { width: 100%; display: grid; grid-template-columns: 36px 1fr auto; gap: 9px; align-items: center; padding: 9px; border: 0; border-radius: 10px; background: transparent; color: var(--text); text-align: left; }
.case-button:hover { background: var(--panel-2); }
.case-button.active { background: color-mix(in srgb, var(--accent) 13%, var(--panel)); outline: 1px solid color-mix(in srgb, var(--accent) 40%, transparent); }
.case-number { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 8px; background: var(--panel-2); font-weight: 800; }
.case-name { min-width: 0; }
.case-name strong, .case-name small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.case-name small { color: var(--muted); }
.status-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--muted); }
.status-dot.complete, .status-dot.adjudicated { background: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 12%, transparent); }
.status-dot.locked { background: var(--warning); }
.sidebar-footer { padding: 16px; border-top: 1px solid var(--line); }
.sidebar-footer .full { margin-top: 0; }

.workspace { min-width: 0; min-height: 0; padding: 24px; overflow: auto; }
.empty-state { min-height: 60vh; display: grid; place-content: center; max-width: 560px; margin: auto; text-align: center; color: var(--muted); }
.case-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.case-heading .eyebrow { margin-top: 0; }
.heading-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.annotator-grid { display: grid; grid-template-columns: minmax(420px, .95fr) minmax(480px, 1.05fr); gap: 20px; align-items: start; }
.image-column { position: sticky; top: 0; }
.image-stage { position: relative; display: grid; place-items: center; min-height: 620px; max-height: calc(100vh - 210px); overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: #080a09; }
.image-stage img { display: block; max-width: 100%; max-height: calc(100vh - 212px); object-fit: contain; user-select: none; }
.image-stage svg { position: absolute; inset: 0; width: 100%; height: 100%; touch-action: none; }
.image-stage svg.drawing { cursor: crosshair; background: rgba(34,211,154,.025); }
.region-shape { fill: rgba(34,211,154,.11); stroke: var(--accent); stroke-width: 3; vector-effect: non-scaling-stroke; }
.region-shape.active { fill: rgba(255,202,104,.16); stroke: var(--warning); stroke-width: 4; }
.drawing-preview { fill: rgba(34,211,154,.15); stroke: var(--accent); stroke-width: 3; stroke-dasharray: 8 5; vector-effect: non-scaling-stroke; }
.drawing-hint { margin-bottom: 8px; padding: 10px 13px; border-radius: 9px; background: color-mix(in srgb, var(--accent) 14%, var(--panel)); color: var(--accent); font-weight: 700; }
.goal-callout, .difference-banner { margin-top: 12px; padding: 13px 15px; border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--line)); border-radius: 11px; background: color-mix(in srgb, var(--accent) 7%, var(--panel)); }
.panel, .comparison-card { margin-bottom: 14px; padding: 17px; border: 1px solid var(--line); border-radius: 13px; background: var(--panel); box-shadow: var(--shadow); }
.panel-title, .comparison-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.panel-title h3, .comparison-head h3 { margin-bottom: 10px; }
.field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.field-grid.three { grid-template-columns: 180px 1fr; }
.stack { display: grid; gap: 10px; }
.region-card, .claim-card { padding: 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel-2); }
.region-card.active { border-color: var(--warning); }
.region-card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.region-card-head strong { color: var(--accent); }
.mini-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
.mini-grid .wide { grid-column: 1 / -1; }
.inline-check { display: flex; align-items: center; gap: 8px; padding-top: 8px; }
.inline-check input { width: auto; }
.delete-button { border: 0; background: transparent; color: var(--danger); }

.comparison-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.summary-list { display: grid; gap: 8px; }
.summary-region { padding: 10px; border-left: 3px solid var(--accent); border-radius: 7px; background: var(--panel-2); }
.summary-region small { display: block; color: var(--muted); }
.difference-banner { margin: 0 0 16px; border-color: color-mix(in srgb, var(--warning) 45%, var(--line)); }
.difference-banner.ok { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
.code-area { font: 12px/1.5 ui-monospace, SFMono-Regular, Consolas, monospace; }
.toast { position: fixed; right: 22px; bottom: 22px; z-index: 20; max-width: 420px; padding: 13px 16px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); box-shadow: var(--shadow); }
.toast.error { border-color: var(--danger); color: var(--danger); }

@media (max-width: 1100px) {
  .annotator-grid, .comparison-grid { grid-template-columns: 1fr; }
  .image-column { position: static; }
  .image-stage { min-height: 480px; }
}

@media (max-width: 760px) {
  .app-shell { display: block; }
  .app-shell { height: auto; min-height: 100vh; overflow: visible; }
  .topbar { position: sticky; top: 0; height: 58px; }
  #save-state { display: none; }
  .sidebar { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .case-list { display: flex; max-width: 100vw; overflow-x: auto; }
  .case-button { min-width: 200px; }
  .sidebar-footer { display: none; }
  .workspace { padding: 15px; }
  .case-heading { align-items: flex-start; flex-direction: column; }
  .field-grid, .mini-grid, .field-grid.three { grid-template-columns: 1fr; }
  .image-stage { min-height: 390px; }
}