/* checklist.css —— 考纲通关清单（#learn → 通关清单 tab） */

.ck-shell { display: flex; flex-direction: column; gap: 14px; }

/* ── 考试选择 ── */
.ck-exams { display: flex; flex-wrap: wrap; gap: 8px; }
.ck-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: 999px; cursor: pointer;
  border: 1px solid #e2e8f0; background: #fff; color: #334155;
  font-size: 0.85rem; line-height: 1.2; transition: all .15s;
}
.ck-chip:hover { border-color: var(--brand, #2563eb); color: var(--brand, #2563eb); }
.ck-chip.active { background: var(--brand, #2563eb); border-color: var(--brand, #2563eb); color: #fff; }
.ck-chip .n { font-size: 0.72rem; opacity: .7; }

/* ── 头部 ── */
.ck-hero {
  border: 1px solid #e2e8f0; border-radius: 14px; padding: 16px 18px;
  background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
}
.ck-hero-top { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px; }
.ck-hero-top h2 { margin: 0; font-size: 1.05rem; color: #0f172a; }
.ck-hero-sub { font-size: 0.82rem; color: #64748b; }
.ck-hero-sub b { color: #0f172a; }
.ck-hero-note { margin: 10px 0 0; font-size: 0.85rem; color: #475569; line-height: 1.65; }
.ck-weight {
  margin-top: 10px; font-size: 0.82rem; color: #1e40af;
  background: #eff6ff; border-left: 3px solid #93c5fd; border-radius: 6px; padding: 7px 10px;
}
.ck-progress { margin-top: 12px; font-size: 0.82rem; color: #475569; }
.ck-progress b { color: #0f172a; }
.ck-bar { margin-top: 6px; height: 7px; border-radius: 999px; background: #eef2f7; overflow: hidden; }
.ck-bar span { display: block; height: 100%; background: #22c55e; border-radius: 999px; }
.ck-cta { margin-top: 12px; display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.ck-cta-note { font-size: 0.78rem; color: #64748b; }

/* ── 工具条 ── */
.ck-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.ck-filters { display: flex; flex-wrap: wrap; gap: 6px; }
.ck-filter {
  padding: 5px 11px; border-radius: 8px; cursor: pointer; font-size: 0.8rem;
  border: 1px solid #e2e8f0; background: #fff; color: #475569;
}
.ck-filter:hover { border-color: #cbd5e1; }
.ck-filter.active { background: #0f172a; border-color: #0f172a; color: #fff; }
.ck-toggle { display: inline-flex; align-items: center; gap: 6px; font-size: 0.8rem; color: #475569; cursor: pointer; }
.ck-count { margin-left: auto; font-size: 0.8rem; color: #94a3b8; }

/* ── 分组 ── */
.ck-group { display: flex; flex-direction: column; gap: 8px; }
.ck-group-title {
  margin: 6px 0 0; font-size: 0.86rem; font-weight: 600; color: #0f172a;
  display: flex; align-items: center; gap: 8px;
}
.ck-group-title .n {
  font-size: 0.72rem; font-weight: 400; color: #64748b;
  background: #f1f5f9; border-radius: 999px; padding: 1px 8px;
}
.ck-list { display: flex; flex-direction: column; gap: 8px; }

/* ── 单行考点 ── */
.ck-item {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  border: 1px solid #e8edf3; border-radius: 12px; padding: 11px 13px; background: #fff;
}
.ck-item.is-done { background: #f8faf9; border-color: #d9efe1; }
.ck-main { flex: 1 1 320px; min-width: 0; }
.ck-head { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; }
.ck-name { font-size: 0.92rem; font-weight: 600; color: #0f172a; }
.ck-badge {
  font-size: 0.7rem; border-radius: 999px; padding: 1px 8px;
  background: #f1f5f9; color: #475569; white-space: nowrap;
}
.ck-badge.lv3 { background: #fee2e2; color: #b91c1c; }
.ck-badge.lv2 { background: #fef3c7; color: #92400e; }
.ck-badge.lv1 { background: #e0f2fe; color: #075985; }
.ck-badge.ok { background: #dcfce7; color: #15803d; }
.ck-badge.doing { background: #ede9fe; color: #5b21b6; }
.ck-badge.sub { background: #f0fdf4; color: #166534; }
.ck-gap {
  font-size: 0.7rem; color: #b45309; border: 1px dashed #fcd34d;
  border-radius: 999px; padding: 1px 8px; cursor: help;
}
.ck-meta { margin-top: 5px; display: flex; flex-wrap: wrap; gap: 12px; font-size: 0.78rem; color: #64748b; }
.ck-meta b { color: #0f172a; }
.ck-meta .none { color: #b6bfcb; }

/* ── 动作按钮 ── */
.ck-actions { flex: 0 0 auto; display: flex; flex-wrap: wrap; gap: 6px; justify-content: flex-end; }
.ck-btn {
  font-size: 0.78rem; padding: 5px 11px; border-radius: 8px; text-decoration: none;
  border: 1px solid #e2e8f0; background: #fff; color: #334155; white-space: nowrap;
}
.ck-btn:hover { border-color: #cbd5e1; background: #f8fafc; }
.ck-btn.learn { background: var(--brand, #2563eb); border-color: var(--brand, #2563eb); color: #fff; }
.ck-btn.learn:hover { filter: brightness(1.06); }
.ck-btn.ai { border-color: #c7d2fe; color: #4338ca; background: #eef2ff; }
.ck-btn.obj { border-color: #bbf7d0; color: #15803d; background: #f0fdf4; }
.ck-btn.list, .ck-btn.code { border-color: #fdba74; color: #c2410c; background: #fff7ed; }

.ck-loading, .ck-empty {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 48px 16px; color: #64748b; font-size: 0.88rem;
}

/* ── 深色模式 ── */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) .ck-chip,
  :root:not([data-theme="light"]):not([data-theme="dark"]) .ck-filter,
  :root:not([data-theme="light"]):not([data-theme="dark"]) .ck-btn,
  :root:not([data-theme="light"]):not([data-theme="dark"]) .ck-item,
  :root:not([data-theme="light"]):not([data-theme="dark"]) .ck-hero { background: #161b22; border-color: #30363d; color: #e2e8f0; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .ck-name,
  :root:not([data-theme="light"]):not([data-theme="dark"]) .ck-hero-top h2,
  :root:not([data-theme="light"]):not([data-theme="dark"]) .ck-group-title,
  :root:not([data-theme="light"]):not([data-theme="dark"]) .ck-meta b { color: #e2e8f0; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .ck-hero-sub,
  :root:not([data-theme="light"]):not([data-theme="dark"]) .ck-meta,
  :root:not([data-theme="light"]):not([data-theme="dark"]) .ck-filter { color: #94a3b8; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .ck-filter.active { background: #e2e8f0; color: #0f172a; border-color: #e2e8f0; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .ck-item.is-done { background: #14211a; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .ck-badge { background: #21262d; color: #94a3b8; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .ck-bar { background: #21262d; }
}
:root[data-theme="dark"] .ck-chip,
:root[data-theme="dark"] .ck-filter,
:root[data-theme="dark"] .ck-btn,
:root[data-theme="dark"] .ck-item,
:root[data-theme="dark"] .ck-hero { background: #161b22; border-color: #30363d; color: #e2e8f0; }
:root[data-theme="dark"] .ck-name,
:root[data-theme="dark"] .ck-hero-top h2,
:root[data-theme="dark"] .ck-group-title,
:root[data-theme="dark"] .ck-meta b { color: #e2e8f0; }
:root[data-theme="dark"] .ck-hero-sub,
:root[data-theme="dark"] .ck-meta,
:root[data-theme="dark"] .ck-filter { color: #94a3b8; }
:root[data-theme="dark"] .ck-filter.active { background: #e2e8f0; color: #0f172a; border-color: #e2e8f0; }
:root[data-theme="dark"] .ck-item.is-done { background: #14211a; }
:root[data-theme="dark"] .ck-badge { background: #21262d; color: #94a3b8; }
:root[data-theme="dark"] .ck-bar { background: #21262d; }

/* ── 移动端 ── */
@media (max-width: 767px) {
  .ck-actions { justify-content: flex-start; width: 100%; }
  .ck-count { margin-left: 0; }
}