:root {
  color-scheme: light;
  --bg: #edf3fa;
  --surface: #ffffff;
  --surface-soft: #f5f8fc;
  --ink: #11243d;
  --muted: #6b7e95;
  --line: #dce6f1;
  --blue: #0757d5;
  --blue-dark: #063b93;
  --cyan: #16b8dc;
  --green: #20a45c;
  --orange: #e79218;
  --red: #de4b57;
  --shadow: 0 20px 60px rgba(18, 47, 81, .12);
  font-family: "IBM Plex Sans Thai", "Noto Sans Thai", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--ink); }
button, input, select { font: inherit; }
button, select { cursor: pointer; }
button:focus-visible, input:focus-visible, select:focus-visible { outline: 3px solid rgba(22, 184, 220, .28); outline-offset: 2px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.app-shell { min-height: 100vh; padding: 18px; }
.topbar {
  min-height: 72px;
  display: grid;
  grid-template-columns: minmax(220px, .85fr) minmax(320px, 1.25fr) minmax(410px, 1.2fr);
  align-items: center;
  gap: 18px;
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 8px 28px rgba(18, 47, 81, .07);
}
.brand { display: flex; align-items: center; gap: 12px; color: inherit; text-decoration: none; min-width: 0; }
.brand img { width: 42px; height: 42px; object-fit: contain; }
.brand strong, .brand small { display: block; }
.brand strong { font-size: 15px; font-weight: 750; }
.brand small { color: var(--muted); font-size: 12px; margin-top: 2px; }

.product-search {
  min-width: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--surface-soft);
}
.search-icon { padding-left: 10px; color: var(--muted); font-size: 24px; line-height: 1; }
.product-search select { min-width: 0; height: 42px; border: 0; outline: 0; background: transparent; color: var(--ink); font-size: 15px; }
.product-search button { height: 42px; padding: 0 18px; border: 0; border-radius: 9px; background: var(--blue); color: #fff; font-weight: 700; }

.data-actions { justify-self: end; display: flex; align-items: center; gap: 7px; }
.sheet-button {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 50px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  color: var(--ink);
  text-align: left;
}
.sheet-icon, .sheet-logo { display: grid; place-items: center; color: #fff; background: #34a853; border-radius: 8px; font-size: 22px; }
.sheet-icon { width: 34px; height: 34px; }
.sheet-button strong, .sheet-button small { display: block; }
.sheet-button strong { font-size: 12px; }
.sheet-button small { color: var(--muted); font-size: 11px; margin-top: 2px; }
.sync-control { min-height: 42px; display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 0 10px; border: 1px solid var(--line); border-radius: 11px; background: var(--surface); color: var(--ink); font-size: 11px; font-weight: 750; white-space: nowrap; }
.sync-control:hover:not(:disabled) { border-color: #bfd2e7; background: #f3f7fc; }
.sync-control:disabled { cursor: not-allowed; opacity: .45; }
.refresh-icon { color: var(--blue); font-size: 20px; line-height: 1; }
.refresh-control.syncing .refresh-icon { animation: spin .8s linear infinite; }
.auto-control i { width: 8px; height: 8px; border-radius: 50%; background: #a5b2c0; box-shadow: 0 0 0 3px rgba(165,178,192,.16); }
.auto-control strong { color: var(--muted); font-size: 9px; letter-spacing: .06em; }
.auto-control.active { border-color: #aad9bb; background: #edf9f1; color: #147442; }
.auto-control.active i { background: #20a45c; box-shadow: 0 0 0 3px rgba(32,164,92,.16); }
.auto-control.active strong { color: #147442; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 50% { transform: scale(.72); opacity: .58; } }

.workspace { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 16px; margin-top: 16px; }
.map-panel, .detail-panel, .activity-panel { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); }
.map-panel { min-width: 0; overflow: hidden; background: #e3ecf6; }
.eyebrow { color: var(--blue); font-size: 10px; font-weight: 800; letter-spacing: .17em; }
.detail-heading h2, .activity-head h2 { margin: 3px 0 0; font-weight: 750; }
.map-overlay-top { position: absolute; z-index: 7; top: 14px; left: 14px; right: 14px; display: flex; align-items: stretch; justify-content: space-between; gap: 8px; pointer-events: none; }
.map-title-floating, .map-actions { border: 1px solid rgba(207,222,237,.88); border-radius: 12px; background: rgba(255,255,255,.9); box-shadow: 0 12px 30px rgba(20,50,83,.13); backdrop-filter: blur(10px); pointer-events: auto; }
.map-title-floating { padding: 9px 12px; }
.map-title-floating h1 { margin: 0; font-size: 15px; line-height: 1.25; }
.map-title-floating p { margin: 2px 0 0; color: var(--muted); font-size: 10px; }
.map-actions { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.map-actions { padding: 5px; }
.map-actions button { min-width: 38px; height: 38px; padding: 0 10px; border: 0; border-radius: 8px; background: var(--surface-soft); color: var(--ink); font-weight: 800; }
.map-actions button:hover { background: #e8f0fa; }
.map-actions .fit-view { width: 38px; min-width: 38px; padding: 0; color: var(--blue); }
.map-actions svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

.canvas-frame { position: relative; height: calc(100vh - 126px); min-height: 620px; margin-bottom: -1px; overflow: hidden; background: radial-gradient(circle at 50% 34%, #eefaff 0, #edf4fb 38%, #e3ecf6 100%); touch-action: none; }
#warehouse-canvas { display: block; width: 100%; height: 100%; }
.map-tooltip {
  position: absolute;
  z-index: 8;
  min-width: 190px;
  max-width: 250px;
  padding: 11px 12px;
  pointer-events: none;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 11px;
  background: rgba(12, 32, 58, .94);
  color: #fff;
  box-shadow: 0 14px 38px rgba(5, 23, 46, .25);
  backdrop-filter: blur(10px);
  font-size: 12px;
}
.map-tooltip strong { display: block; font-size: 14px; margin-bottom: 3px; }
.map-tooltip span { color: #bcd0e7; }
.map-result {
  position: absolute;
  left: 16px;
  bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: calc(100% - 32px);
  padding: 10px 13px;
  border: 1px solid rgba(207, 222, 237, .92);
  border-radius: 12px;
  background: rgba(255,255,255,.92);
  box-shadow: 0 14px 34px rgba(20, 50, 83, .15);
  backdrop-filter: blur(10px);
}
.map-result .pin-dot { color: var(--blue); font-size: 18px; }
.map-result strong, .map-result small { display: block; }
.map-result strong { font-size: 13px; }
.map-result small { margin-top: 2px; color: var(--muted); font-size: 11px; }
.queue-status { position: absolute; z-index: 9; top: 84px; left: 16px; display: flex; align-items: center; gap: 10px; max-width: calc(100% - 32px); padding: 10px 13px; border: 1px solid #f1d28f; border-radius: 12px; background: rgba(255,248,230,.95); color: #815200; box-shadow: 0 14px 34px rgba(20,50,83,.13); backdrop-filter: blur(10px); }
.queue-status[hidden] { display: none; }
.queue-status > i { width: 10px; height: 10px; flex: 0 0 auto; border-radius: 50%; background: #e79218; box-shadow: 0 0 0 5px rgba(231,146,24,.14); }
.queue-status strong, .queue-status small { display: block; }
.queue-status strong { font-size: 12px; }
.queue-status small { margin-top: 2px; color: currentColor; opacity: .75; font-size: 10px; }
.queue-status.running { border-color: #9ec0ed; background: rgba(237,244,255,.96); color: var(--blue); }
.queue-status.running > i { background: var(--blue); box-shadow: 0 0 0 5px rgba(7,87,213,.13); animation: pulse 1s ease-in-out infinite; }
.queue-status.completed { border-color: #a9dfbd; background: rgba(234,248,239,.96); color: #147442; }
.queue-status.completed > i { background: var(--green); box-shadow: 0 0 0 5px rgba(32,164,92,.13); }
.queue-status.error { border-color: #efb5bb; background: rgba(255,240,241,.96); color: #b52f3b; }
.queue-status.error > i { background: var(--red); box-shadow: 0 0 0 5px rgba(209,55,69,.12); }
.map-legend { position: absolute; right: 15px; bottom: 15px; display: flex; gap: 12px; padding: 8px 10px; border-radius: 10px; background: rgba(255,255,255,.78); color: var(--muted); backdrop-filter: blur(8px); font-size: 10px; }
.map-legend span { display: flex; align-items: center; gap: 5px; }
.legend-dot { width: 8px; height: 8px; border-radius: 50%; background: #929da8; }
.legend-dot.selected { background: var(--blue); box-shadow: 0 0 0 3px rgba(7,87,213,.16); }

.sidebar { display: grid; gap: 16px; align-content: start; }
.detail-panel, .activity-panel { padding: 16px; }
.detail-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.detail-heading h2 { font-size: 24px; }
.sync-badge { display: inline-flex; align-items: center; gap: 6px; padding: 7px 9px; border-radius: 99px; background: #eaf8ef; color: #17854a; font-size: 10px; font-weight: 700; }
.sync-badge i { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.sync-badge.syncing { background: #edf4ff; color: var(--blue); }
.sync-badge.pending { background: #fff7df; color: #a56a00; }
.sync-badge.error { background: #fff0f1; color: var(--red); }
.product-card { display: flex; align-items: center; gap: 12px; margin-top: 18px; padding: 12px; border-radius: 13px; background: var(--surface-soft); }
.product-icon { width: 48px; height: 48px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 12px; color: #fff; background: linear-gradient(145deg, var(--blue), var(--cyan)); font-size: 10px; font-weight: 800; letter-spacing: .06em; }
.product-card strong, .product-card small { display: block; }
.product-card strong { font-size: 15px; }
.product-card small { margin-top: 3px; color: var(--muted); font-size: 11px; }
.product-color-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 12px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 12px; }
.product-color-row strong, .product-color-row small { display: block; }
.product-color-row strong { font-size: 11px; }
.product-color-row small { margin-top: 2px; color: var(--muted); font-size: 10px; }
.operation-grid button:disabled { cursor: wait; opacity: .55; filter: saturate(.7); }
.color-picker { position: relative; width: 42px; height: 42px; flex: 0 0 auto; border-radius: 11px; overflow: hidden; border: 1px solid var(--line); background: var(--surface-soft); }
.color-picker span { position: absolute; inset: 5px; border-radius: 7px; background: #69a7ff; pointer-events: none; box-shadow: inset 0 0 0 1px rgba(0,0,0,.08); }
.color-picker input { position: absolute; inset: -8px; width: 60px; height: 60px; opacity: 0; cursor: pointer; }
.stock-block { margin-top: 20px; }
.stock-block > span { color: var(--muted); font-size: 11px; }
.stock-block div { display: flex; align-items: baseline; gap: 7px; margin-top: 2px; }
.stock-block strong { color: var(--blue); font-size: 42px; line-height: 1; }
.stock-block em { color: var(--muted); font-size: 13px; font-style: normal; }
.stock-meter { height: 8px; overflow: hidden; margin-top: 12px; border-radius: 99px; background: #e8eef5; }
.stock-meter span { display: block; width: 50%; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--blue), var(--cyan)); transition: width .25s ease; }
.capacity-row { display: flex; justify-content: space-between; margin-top: 6px; color: var(--muted); font-size: 10px; }
.operation-label { margin-top: 20px; color: var(--muted); font-size: 11px; }
.operation-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 8px; }
.operation-grid button { min-height: 46px; border-radius: 11px; font-weight: 700; }
.operation-grid button span { margin-right: 4px; font-size: 18px; }
.receive { border: 0; background: var(--green); color: #fff; }
.pick { border: 1px solid #f0d39b; background: #fff8e9; color: #b56b00; }

.activity-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.activity-head h2 { font-size: 16px; }
.activity-head button { border: 0; background: transparent; color: var(--muted); font-size: 10px; }
.activity-list { display: grid; gap: 1px; margin-top: 10px; }
.activity-item { display: grid; grid-template-columns: 34px minmax(0, 1fr) auto; align-items: center; gap: 9px; padding: 9px 0; border-bottom: 1px solid var(--line); }
.activity-item:last-child { border-bottom: 0; }
.activity-symbol { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 9px; color: var(--green); background: #ebf8f0; font-weight: 800; }
.activity-copy strong, .activity-copy small { display: block; }
.activity-copy strong { font-size: 12px; }
.activity-copy small { margin-top: 2px; color: var(--muted); font-size: 10px; }
.activity-qty { color: var(--green); font-size: 12px; font-weight: 800; }
.activity-item.out .activity-symbol, .activity-item.out .activity-qty { color: var(--orange); }
.activity-item.out .activity-symbol { background: #fff6e7; }

.modal-backdrop { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; padding: 20px; background: rgba(9, 25, 45, .5); backdrop-filter: blur(6px); }
.modal-backdrop[hidden] { display: none; }
.modal { width: min(530px, 100%); padding: 20px; border-radius: 18px; background: var(--surface); box-shadow: 0 28px 90px rgba(5, 22, 43, .3); }
.modal-head, .modal-head > div { display: flex; align-items: flex-start; gap: 12px; }
.modal-head { justify-content: space-between; }
.sheet-logo { width: 42px; height: 42px; flex: 0 0 auto; }
.modal h2 { margin: 0; font-size: 19px; }
.modal-head p { margin: 4px 0 0; color: var(--muted); font-size: 11px; }
.modal-head > button { width: 40px; height: 40px; border: 0; border-radius: 10px; background: var(--surface-soft); color: var(--muted); font-size: 25px; }
.modal > label { display: block; margin-top: 20px; font-size: 12px; font-weight: 700; }
.modal > input { width: 100%; min-height: 48px; margin-top: 7px; padding: 0 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface-soft); color: var(--ink); font-size: 16px; }
.modal > label + input + label { margin-top: 13px; }
.permission-note, .connection-note { color: var(--muted); font-size: 11px; line-height: 1.5; }
.permission-note { margin: 8px 0 16px; }
.modal-actions { display: grid; grid-template-columns: 1fr 1.3fr; gap: 8px; }
.modal-actions button { min-height: 46px; border-radius: 10px; font-weight: 700; }
.modal-actions .secondary { border: 1px solid var(--line); background: var(--surface); color: var(--ink); }
.modal-actions .primary { border: 0; background: var(--blue); color: #fff; }
.modal-actions button:disabled { cursor: wait; opacity: .6; }
.connection-note { margin-top: 13px; padding: 10px; border-radius: 9px; background: var(--surface-soft); }
.connection-note.success { background: #eaf8ef; color: #147442; }
.connection-note.pending { background: #fff7df; color: #8b5a00; }
.connection-note.error { background: #fff0f1; color: #b52f3b; }
.setup-link { display: inline-block; margin-top: 10px; color: var(--blue); font-size: 11px; font-weight: 700; text-decoration: none; }
.setup-link:hover { text-decoration: underline; }

@media (max-width: 1000px) {
  .topbar { grid-template-columns: minmax(220px, 1fr) auto; }
  .product-search { grid-column: 1 / -1; grid-row: 2; }
  .workspace { grid-template-columns: 1fr; }
  .sidebar { grid-template-columns: 1fr 1fr; }
  .canvas-frame { height: 620px; }
}

@media (max-width: 650px) {
  .app-shell { padding: 8px; }
  .topbar { grid-template-columns: 1fr auto; gap: 10px; border-radius: 14px; }
  .brand small, .sheet-button > span:last-child, .sync-control .control-label { display: none; }
  .data-actions { gap: 5px; }
  .sync-control { min-width: 40px; padding: 0 8px; }
  .auto-control strong { font-size: 8px; }
  .sheet-button { min-width: 48px; justify-content: center; }
  .map-overlay-top { top: 9px; left: 9px; right: 9px; flex-wrap: wrap; }
  .map-title-floating { max-width: calc(100% - 8px); }
  .map-title-floating p { display: none; }
  .map-actions button { min-width: 36px; padding: 0 8px; }
  .canvas-frame { height: 500px; min-height: 500px; }
  .sidebar { grid-template-columns: 1fr; }
  .map-legend { display: none; }
  .modal-actions { grid-template-columns: 1fr; }
}