:root {
  color-scheme: light;
  --bg: #eef2f7;
  --panel: #ffffff;
  --text: #142033;
  --muted: #647084;
  --line: #d7deea;
  --accent: #2563eb;
  --accent-strong: #1d4ed8;
  --ok: #12805c;
  --error: #b42318;
  --shadow: 0 18px 50px rgba(20, 32, 51, 0.12);
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  background:
    linear-gradient(135deg, rgba(37, 99, 235, 0.08), transparent 34%),
    var(--bg);
  color: var(--text);
  font: 14px/1.5 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.shell {
  width: min(980px, calc(100% - 32px));
  margin: 0 auto;
  padding: 42px 0;
}

.workspace {
  display: grid;
  gap: 18px;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

h1, h2, h3, p { margin: 0; }

h1 {
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.05;
  letter-spacing: 0;
}

.topbar p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 15px;
}

select {
  height: 36px;
  padding: 0 32px 0 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel);
  color: var(--text);
  font: inherit;
}

input {
  height: 38px;
  min-width: 0;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel);
  color: var(--text);
  font: inherit;
}

.task-panel,
.log-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
}

.task-panel {
  display: grid;
  gap: 24px;
  padding: 24px;
}

.task-meta {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.badge {
  flex: none;
  min-width: 58px;
  padding: 6px 8px;
  border-radius: 6px;
  background: #e7efff;
  color: #1746a2;
  font-size: 12px;
  font-weight: 800;
  text-align: center;
}

.task-text { min-width: 0; }

h2 {
  overflow: hidden;
  font-size: 20px;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.task-text p {
  overflow: hidden;
  margin-top: 5px;
  color: var(--muted);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.progress-wrap {
  display: grid;
  gap: 9px;
}

.progress-info {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
}

.progress-info strong {
  color: var(--text);
}

.progress-track {
  height: 14px;
  overflow: hidden;
  border-radius: 999px;
  background: #dfe6f2;
}

.progress-bar {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), #0f9f7a);
  transition: width 160ms ease;
}

.controls {
  display: grid;
  grid-template-columns: minmax(150px, 190px) minmax(170px, 220px) minmax(0, 1fr);
  gap: 12px;
}

.control-row {
  display: grid;
  align-items: center;
  gap: 7px;
}

.control-row label {
  color: var(--muted);
  font-size: 12px;
}

.control-row-wide {
  grid-template-columns: minmax(0, 1fr) 42px;
}

.control-row-wide label {
  grid-column: 1 / -1;
}

.stats {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
}

.stats div {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

dt {
  color: var(--muted);
  font-size: 12px;
}

dd {
  margin: 4px 0 0;
  font-weight: 750;
}

.actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

button {
  min-width: 128px;
  height: 38px;
  border: 0;
  border-radius: 7px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-weight: 750;
}

.icon-button {
  min-width: 42px;
  width: 42px;
  padding: 0;
  font-size: 18px;
}

button:hover:not(:disabled) { background: var(--accent-strong); }
button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.log-panel {
  padding: 18px 20px;
}

.log-panel h3 {
  font-size: 15px;
}

ol {
  display: grid;
  gap: 6px;
  margin: 12px 0 0;
  padding-left: 20px;
  color: var(--muted);
}

.is-error #statusText { color: var(--error); }
.is-done #statusText { color: var(--ok); }

@media (max-width: 640px) {
  .shell {
    width: min(100% - 20px, 980px);
    padding: 22px 0;
  }
  .topbar {
    align-items: stretch;
    flex-direction: column;
  }
  .stats {
    grid-template-columns: 1fr;
  }
  .controls {
    grid-template-columns: 1fr;
  }
  .actions {
    flex-direction: column;
  }
  button {
    width: 100%;
  }
}