/* ui.css — 按钮、卡片、统计、进度、徽章、标签页 */
/* ------------------------------------------------------------------ buttons */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 5px 12px; font-size: 12.5px; font-weight: 500; line-height: 20px;
  border-radius: var(--radius); border: 1px solid var(--border);
  background: var(--canvas-subtle); color: var(--fg); cursor: pointer;
  font-family: inherit; white-space: nowrap; transition: background 0.12s, border-color 0.12s;
}
.btn:hover { background: var(--canvas-overlay); border-color: var(--fg-subtle); text-decoration: none; }
.btn:active { transform: translateY(0.5px); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn svg { width: 14px; height: 14px; }

.btn-primary { background: var(--success-emphasis); border-color: rgba(46, 160, 67, 0.4); color: #fff; }
.btn-primary:hover { background: #2ea043; border-color: rgba(46, 160, 67, 0.6); }
[data-theme="light"] .btn-primary { background: #1f883d; color: #fff; }
[data-theme="light"] .btn-primary:hover { background: #1a7f37; }

.btn-accent { background: var(--accent); border-color: rgba(47, 129, 247, 0.4); color: #fff; }
.btn-accent:hover { background: #388bfd; }

.btn-danger { color: var(--danger); }
.btn-danger:hover { background: var(--danger-subtle); border-color: var(--danger); }

.btn-ghost { background: transparent; border-color: transparent; color: var(--fg-muted); }
.btn-ghost:hover { background: var(--canvas-overlay); color: var(--fg); border-color: transparent; }

.btn-sm { padding: 2px 8px; font-size: 11.5px; line-height: 18px; }
.btn-block { width: 100%; }

.icon-btn {
  display: inline-grid; place-items: center; width: 28px; height: 28px;
  border-radius: var(--radius); border: 1px solid transparent;
  background: transparent; color: var(--fg-muted); cursor: pointer;
}
.icon-btn:hover { background: var(--canvas-overlay); color: var(--fg); }
.icon-btn svg { width: 15px; height: 15px; }

/* ------------------------------------------------------------------ cards */

.card {
  background: var(--canvas-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.card-head {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 14px; border-bottom: 1px solid var(--border-muted);
  font-size: 13px; font-weight: 600;
}
.card-head .sub { font-weight: 400; color: var(--fg-muted); font-size: 12px; }
.card-head .spacer { flex: 1; }
.card-body { padding: 14px; }
.card-body.tight { padding: 6px 0; }

.grid { display: grid; gap: 14px; }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.split { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: 16px; align-items: start; }

/* ------------------------------------------------------------------ stats */

.stat {
  padding: 14px 16px; border-radius: var(--radius);
  border: 1px solid var(--border); background: var(--canvas-subtle);
  position: relative; overflow: hidden;
}
.stat-label { font-size: 12px; color: var(--fg-muted); display: flex; align-items: center; gap: 6px; }
.stat-value { font-size: 26px; font-weight: 600; letter-spacing: -0.6px; margin-top: 6px; line-height: 1.1; }
.stat-value small { font-size: 13px; font-weight: 400; color: var(--fg-muted); margin-left: 4px; }
.stat-foot { font-size: 11.5px; color: var(--fg-subtle); margin-top: 6px; }
.stat .dot { width: 8px; height: 8px; border-radius: 50%; }
.stat.accent { border-top: 2px solid var(--accent); }
.stat.warn { border-top: 2px solid var(--attention); }
.stat.ok { border-top: 2px solid var(--success); }
.stat.purple { border-top: 2px solid var(--done); }

/* ------------------------------------------------------------------ progress */

.progress {
  height: 6px; border-radius: 20px; background: var(--border-muted);
  overflow: hidden; display: flex;
}
.progress > span { display: block; height: 100%; background: var(--success); transition: width 0.4s ease; }
.progress.thin { height: 4px; }

.ms-line { display: flex; align-items: center; gap: 12px; padding: 10px 14px; border-bottom: 1px solid var(--border-muted); }
.ms-line:last-child { border-bottom: none; }
a.ms-line, a.ms-line:hover { color: inherit; text-decoration: none; }
a.ms-line:hover { background: var(--canvas-overlay); }
.ms-line .ms-name { font-size: 13px; font-weight: 500; }
.ms-line .ms-meta { font-size: 11.5px; color: var(--fg-muted); }
.ms-line .grow { flex: 1; min-width: 0; }
.ms-line .pct { font-size: 12px; color: var(--fg-muted); font-variant-numeric: tabular-nums; width: 38px; text-align: right; }
.ms-progress { width: 150px; flex: none; }
.ms-progress .progress { width: 100%; }

/* ------------------------------------------------------------------ badges */

.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 1px 8px; border-radius: 20px; font-size: 11.5px; font-weight: 500;
  border: 1px solid var(--border); color: var(--fg-muted); white-space: nowrap;
  background: transparent;
}
.badge-open { color: var(--success); border-color: rgba(63, 185, 80, 0.4); background: var(--success-subtle); }
.badge-closed { color: var(--done); border-color: rgba(163, 113, 247, 0.4); background: var(--done-subtle); }
.badge-danger { color: var(--danger); border-color: rgba(248, 81, 73, 0.4); background: var(--danger-subtle); }
.badge-warn { color: var(--attention); border-color: rgba(210, 153, 34, 0.4); background: var(--attention-subtle); }
.badge-accent { color: var(--accent-fg); border-color: rgba(47, 129, 247, 0.4); background: var(--accent-subtle); }
.badge-dot { width: 6px; height: 6px; border-radius: 50%; }

.label {
  display: inline-flex; align-items: center; padding: 0 7px; height: 20px;
  border-radius: 20px; font-size: 11.5px; font-weight: 500; white-space: nowrap;
  border: 1px solid transparent;
}

.tag {
  display: inline-flex; align-items: center; gap: 4px; font-size: 11.5px;
  color: var(--fg-muted); background: var(--canvas-inset);
  border: 1px solid var(--border-muted); border-radius: 20px; padding: 1px 8px;
}
a.tag:hover { color: var(--fg); border-color: var(--fg-subtle); text-decoration: none; }
.tag svg { width: 12px; height: 12px; flex: none; }
.tag.due-late { color: var(--danger); border-color: rgba(248, 81, 73, 0.42); background: var(--danger-subtle); }
.tag.due-soon { color: var(--attention); border-color: rgba(210, 153, 34, 0.42); background: var(--attention-subtle); }
.tag.due-done { opacity: 0.6; }
.due-late { color: var(--danger); }
.due-soon { color: var(--attention); }

/* ------------------------------------------------------------------ tabs */

.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); margin-bottom: 0; }
.tab {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 10px; font-size: 13px; color: var(--fg-muted);
  border-bottom: 2px solid transparent; margin-bottom: -1px; cursor: pointer;
}
.tab:hover { color: var(--fg); text-decoration: none; background: var(--canvas-subtle); border-radius: var(--radius) var(--radius) 0 0; }
.tab.on { color: var(--fg); border-bottom-color: #f78166; font-weight: 600; }
.tab svg { width: 14px; height: 14px; }
.tab .badge { font-weight: 400; }