:root {
  color-scheme: light;
  --bg: #f4f6fb;
  --panel: #fff;
  --ink: #172033;
  --muted: #697386;
  --accent: #465be8;
  --line: #e1e5ef;
  --danger: #b42318;
  --ok: #137547;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}

button,
input,
select {
  font: inherit;
}

button {
  padding: 10px 14px;
  border: 0;
  border-radius: 10px;
  background: #e9ecf7;
  color: var(--ink);
  cursor: pointer;
  font-weight: 650;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid #9ba7ff;
  outline-offset: 2px;
}

.primary {
  background: var(--accent);
  color: #fff;
}

.danger {
  background: #fff0f0;
  color: var(--danger);
}

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 24px;
}

.top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.top h1 {
  margin: 0;
  font-size: clamp(1.4rem, 3vw, 2rem);
}

.status {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.layout {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(340px, 1fr);
  gap: 22px;
  margin-top: 22px;
}

.left-column {
  display: grid;
  align-content: start;
  gap: 22px;
}

.panel {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
  box-shadow: 0 8px 28px #1d2a5010;
}

.history-panel {
  min-width: 0;
}

.history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.history-header .section-title {
  margin-bottom: 0;
}

.history-list {
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.history-entry {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 12px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
}

.history-entry time {
  color: var(--muted);
  font-size: 0.83rem;
}

.history-result {
  font-weight: 700;
  overflow-wrap: anywhere;
}

.wheel-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.wheel-box {
  position: relative;
  width: min(100%, 440px);
  aspect-ratio: 1;
}

.pointer {
  position: absolute;
  z-index: 2;
  top: -5px;
  left: 50%;
  width: 0;
  height: 0;
  transform: translateX(-50%);
  border-top: 36px solid #172033;
  border-right: 17px solid transparent;
  border-left: 17px solid transparent;
  filter: drop-shadow(0 2px 2px #0003);
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.actions,
.editor-actions,
.item-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.actions {
  justify-content: center;
}

.result {
  width: 100%;
  padding: 15px;
  border-radius: 14px;
  background: #f0f2ff;
  text-align: center;
}

.result small {
  color: var(--muted);
}

.result strong {
  display: block;
  margin-top: 4px;
  font-size: 1.6rem;
  overflow-wrap: anywhere;
}

.section-title {
  margin: 0 0 14px;
  font-size: 1.15rem;
}

.field {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
}

.field label {
  font-size: 0.9rem;
  font-weight: 650;
}

.field input[type="text"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
}

.hint,
.item-sub {
  color: var(--muted);
  font-size: 0.83rem;
  line-height: 1.55;
}

.items {
  display: grid;
  gap: 9px;
  margin-top: 16px;
}

.item {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.item-name {
  font-weight: 700;
  overflow-wrap: anywhere;
}

.item-sub {
  margin-top: 2px;
  overflow-wrap: anywhere;
}

.item-buttons {
  grid-column: 2;
  gap: 5px;
}

.item-buttons button {
  padding: 7px 9px;
  font-size: 0.82rem;
}

.bulk {
  margin-top: 18px;
  padding: 13px;
  border: 1px dashed #b7bfd2;
  border-radius: 12px;
}

.bulk > p {
  margin: 8px 0;
}

.drop-zone {
  margin: 10px 0;
  padding: 14px;
  border: 1px dashed #aab3c8;
  border-radius: 10px;
  background: #fafbff;
  text-align: center;
}

.drop-zone.dragover {
  border-color: var(--accent);
  background: #f0f2ff;
}

.bulk input[type="file"] {
  max-width: 100%;
  margin: 8px 0;
}

.bulk-list {
  display: grid;
  gap: 8px;
  margin: 12px 0;
}

.bulk-file {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(150px, 0.8fr) auto;
  align-items: center;
  gap: 8px;
}

.bulk-file select {
  width: 100%;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.file-name {
  min-width: 0;
  font-size: 0.88rem;
  overflow-wrap: anywhere;
}

#notice {
  width: 100%;
  min-height: 1.5em;
  color: var(--muted);
  text-align: center;
  font-size: 0.9rem;
}

#notice.error {
  color: var(--danger);
}

#notice.success {
  color: var(--ok);
}

@media (max-width: 780px) {
  .wrap {
    padding: 14px;
  }

  .layout {
    grid-template-columns: 1fr;
  }

  .panel {
    padding: 15px;
  }
}

@media (max-width: 520px) {
  .bulk-file {
    grid-template-columns: 1fr;
  }

  .bulk-file button {
    justify-self: start;
  }

  .actions button {
    flex: 1;
  }
}