/* Design tokens */
:root {
  --state-pending:          #94a3b8;
  --state-queued:           #60a5fa;
  --state-running:          #f59e0b;
  --state-completed:        #34d399;
  --state-failed:           #f87171;
  --state-timed-out:        #c084fc;
  --state-cancelled:        #9ca3af;
  --state-budget-exceeded:  #fb923c;

  --bg:          #0f172a;
  --surface:     #1e293b;
  --border:      #334155;
  --text:        #e2e8f0;
  --text-muted:  #94a3b8;
  --accent:      #38bdf8;
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
}

/* Header */
header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 1rem;
  position: sticky;
  top: 0;
  z-index: 10;
}

header h1 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.01em;
  max-width: 640px;
  margin: 0 auto;
}

/* Main layout */
main {
  max-width: 640px;
  margin: 0 auto;
  padding: 1rem;
}

/* Task list */
.task-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

#loading {
  color: var(--text-muted);
  text-align: center;
  padding: 2rem 0;
  font-size: 0.9rem;
}

/* Task card */
.task-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 0.875rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.task-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.task-name {
  font-weight: 600;
  font-size: 0.95rem;
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* State badge */
.state-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0.2em 0.55em;
  border-radius: 999px;
  color: #0f172a;
  white-space: nowrap;
  flex-shrink: 0;
}

.state-badge[data-state="PENDING"]          { background: var(--state-pending); }
.state-badge[data-state="QUEUED"]           { background: var(--state-queued); }
.state-badge[data-state="RUNNING"]          { background: var(--state-running); }
.state-badge[data-state="COMPLETED"]        { background: var(--state-completed); }
.state-badge[data-state="FAILED"]           { background: var(--state-failed); }
.state-badge[data-state="TIMED_OUT"]        { background: var(--state-timed-out); }
.state-badge[data-state="CANCELLED"]        { background: var(--state-cancelled); }
.state-badge[data-state="BUDGET_EXCEEDED"]  { background: var(--state-budget-exceeded); }

/* Task meta */
.task-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.task-description {
  font-size: 0.82rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Run button */
.task-card-footer {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.25rem;
  flex-wrap: wrap;
}

.btn-run {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35em 0.85em;
  border-radius: 0.375rem;
  border: none;
  cursor: pointer;
  background: var(--accent);
  color: #0f172a;
  transition: opacity 0.15s;
}

.btn-run:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.task-error {
  font-size: 0.78rem;
  color: var(--state-failed);
}