/* 全人四维疗愈法 · 在线证书考试系统
   零外部依赖：不引 CDN，国内加载最稳。桌面优先，同时保证手机可读。 */

:root {
  --bg: #f7f5f1;
  --bg-card: #ffffff;
  --ink: #2c2a27;
  --ink-2: #5b5650;
  --ink-3: #8a837a;
  --line: #e5e0d8;
  --line-2: #d6cfc4;
  --accent: #4a7c6f;
  --accent-dark: #3a635a;
  --accent-soft: #eaf2ef;
  --warn: #b4762c;
  --warn-soft: #fdf5e8;
  --danger: #b3453a;
  --danger-soft: #fbeeec;
  --ok: #4a7c6f;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(44, 42, 39, .05), 0 8px 24px -12px rgba(44, 42, 39, .12);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* 考试页防误操作：禁选择/长按菜单；输入框必须放回来 */
body.exam-mode {
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}
body.exam-mode input,
body.exam-mode textarea {
  -webkit-user-select: text;
  user-select: text;
}

a { color: var(--accent); }

h1, h2, h3 { line-height: 1.35; margin: 0 0 .5em; font-weight: 600; }
h1 { font-size: 24px; letter-spacing: .01em; }
h2 { font-size: 18px; }
h3 { font-size: 16px; }
p { margin: 0 0 1em; }

.muted { color: var(--ink-3); }
.small { font-size: 13px; }
.mono { font-family: var(--mono); }
.center { text-align: center; }
.nowrap { white-space: nowrap; }
.pre-wrap { white-space: pre-wrap; }
.hidden { display: none !important; }

/* ---------- 布局 ---------- */
.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 20px 64px;
}
.page-wide { max-width: 1180px; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
}
.card + .card { margin-top: 18px; }

.brand { text-align: center; margin-bottom: 28px; }
.brand .mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent-dark);
  font-size: 20px; margin-bottom: 12px;
}
.brand h1 { font-size: 22px; margin-bottom: 4px; }
.brand .sub { color: var(--ink-3); font-size: 13px; margin: 0; }

/* ---------- 表单 ---------- */
.field { margin-bottom: 18px; }
.field label {
  display: block; font-size: 13px; font-weight: 600;
  color: var(--ink-2); margin-bottom: 6px;
}
.field .hint { font-size: 12px; color: var(--ink-3); margin-top: 6px; }

input[type=text], input[type=password], input[type=number],
input[type=datetime-local], select, textarea {
  width: 100%;
  font: inherit;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line-2);
  border-radius: 8px;
  padding: 10px 12px;
  transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
textarea { resize: vertical; min-height: 96px; line-height: 1.75; }
input::placeholder, textarea::placeholder { color: #b8b1a7; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font: inherit; font-weight: 600;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: var(--accent); color: #fff;
  cursor: pointer;
  transition: background .15s, transform .06s, opacity .15s;
  text-decoration: none;
}
.btn:hover { background: var(--accent-dark); }
.btn:active { transform: scale(.985); }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.btn-block { width: 100%; }
.btn-lg { padding: 13px 24px; font-size: 16px; }
.btn-ghost { background: #fff; color: var(--ink-2); border-color: var(--line-2); }
.btn-ghost:hover { background: #faf9f7; color: var(--ink); }
.btn-sm { padding: 6px 12px; font-size: 13px; border-radius: 6px; }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #97392f; }

/* ---------- 提示条 ---------- */
.note {
  border-radius: 8px; padding: 12px 14px; font-size: 14px;
  border: 1px solid var(--line); background: #fbfaf8; color: var(--ink-2);
}
.note-warn { background: var(--warn-soft); border-color: #f0dfc0; color: #7a5218; }
.note-err  { background: var(--danger-soft); border-color: #f0d3cf; color: #8f342b; }
.note-ok   { background: var(--accent-soft); border-color: #cfe2db; color: var(--accent-dark); }
.note + .note { margin-top: 10px; }

.tag {
  display: inline-block; font-size: 12px; font-weight: 600;
  padding: 2px 8px; border-radius: 999px;
  background: #f0ede8; color: var(--ink-2);
}
.tag-ok   { background: var(--accent-soft); color: var(--accent-dark); }
.tag-warn { background: var(--warn-soft); color: #7a5218; }
.tag-err  { background: var(--danger-soft); color: #8f342b; }

/* ---------- 考试页 ---------- */
.exam-bar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(247, 245, 241, .93);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.exam-bar-in {
  max-width: 1180px; margin: 0 auto; padding: 12px 20px;
  display: flex; align-items: center; gap: 18px;
}
.exam-title { font-weight: 600; font-size: 15px; }
.exam-bar .spacer { flex: 1; }

.timer {
  font-family: var(--mono); font-size: 20px; font-weight: 600;
  letter-spacing: .02em; color: var(--ink);
  padding: 4px 12px; border-radius: 8px; background: #fff;
  border: 1px solid var(--line-2);
}
.timer.warn { color: var(--warn); border-color: #e8cfa2; background: var(--warn-soft); }
.timer.danger {
  color: var(--danger); border-color: #eec4bf; background: var(--danger-soft);
  animation: pulse 1.4s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: 1 } 50% { opacity: .62 } }

.save-state { font-size: 12px; color: var(--ink-3); min-width: 84px; }

.exam-layout {
  max-width: 1180px; margin: 0 auto; padding: 24px 20px 80px;
  display: grid; grid-template-columns: 232px 1fr; gap: 28px; align-items: start;
}
.nav-panel {
  position: sticky; top: 74px;
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow);
}
.nav-group + .nav-group { margin-top: 14px; }
.nav-group h4 {
  font-size: 12px; color: var(--ink-3); font-weight: 600;
  margin: 0 0 8px; letter-spacing: .04em;
}
.nav-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 6px; }
.nav-cell {
  aspect-ratio: 1; display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 600; font-family: var(--mono);
  border-radius: 6px; cursor: pointer;
  border: 1px solid var(--line-2); background: #fff; color: var(--ink-3);
  transition: all .12s;
}
.nav-cell:hover { border-color: var(--accent); color: var(--accent); }
.nav-cell.done { background: var(--accent-soft); border-color: #bcd6cd; color: var(--accent-dark); }
.nav-cell.marked { background: var(--warn-soft); border-color: #ebd5ac; color: #7a5218; }
.nav-cell.active {
  background: var(--accent); border-color: var(--accent); color: #fff;
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.nav-legend { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); font-size: 12px; color: var(--ink-3); }
.nav-legend span { display: inline-flex; align-items: center; gap: 5px; margin-right: 12px; }
.dot { width: 9px; height: 9px; border-radius: 3px; display: inline-block; border: 1px solid var(--line-2); }
.dot.done { background: var(--accent-soft); border-color: #bcd6cd; }
.dot.marked { background: var(--warn-soft); border-color: #ebd5ac; }

.q-list { min-width: 0; }
.q-card {
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 24px 26px; margin-bottom: 16px; scroll-margin-top: 82px;
}
.q-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.q-no {
  font-family: var(--mono); font-weight: 700; font-size: 15px;
  color: var(--accent-dark); background: var(--accent-soft);
  padding: 1px 9px; border-radius: 6px;
}
.q-meta { font-size: 12px; color: var(--ink-3); }
.q-mark {
  margin-left: auto; font-size: 12px; color: var(--ink-3);
  cursor: pointer; user-select: none; padding: 3px 9px;
  border: 1px solid var(--line-2); border-radius: 999px; background: #fff;
}
.q-mark.on { background: var(--warn-soft); border-color: #ebd5ac; color: #7a5218; }
.q-stem { font-size: 16px; line-height: 1.8; white-space: pre-wrap; margin-bottom: 16px; }

.opt {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 11px 14px; margin-bottom: 8px;
  border: 1px solid var(--line-2); border-radius: 8px;
  cursor: pointer; background: #fff; transition: all .12s;
}
.opt:hover { border-color: var(--accent); background: #fcfdfd; }
.opt.sel { border-color: var(--accent); background: var(--accent-soft); }
.opt input { display: none; }
.opt .key {
  flex: none; width: 24px; height: 24px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; font-family: var(--mono);
  border: 1px solid var(--line-2); background: #fff; color: var(--ink-3);
}
.opt.sel .key { background: var(--accent); border-color: var(--accent); color: #fff; }
.opt .txt { flex: 1; line-height: 1.65; }

.match-row {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 0; border-bottom: 1px dashed var(--line);
}
.match-row:last-child { border-bottom: none; }
.match-row .lk {
  flex: none; width: 22px; font-family: var(--mono); font-weight: 700; color: var(--accent-dark);
}
.match-row .lt { flex: 1; }
.match-row select { flex: none; width: 260px; }
.match-right {
  background: #fbfaf8; border: 1px solid var(--line);
  border-radius: 8px; padding: 12px 14px; margin-bottom: 14px; font-size: 14px;
}
.match-right ol { margin: 0; padding-left: 22px; }
.match-right li { margin: 3px 0; }

.answer-box { position: relative; }
.answer-box textarea { min-height: 190px; }
.word-count {
  position: absolute; right: 10px; bottom: 8px;
  font-size: 12px; color: var(--ink-3);
  background: rgba(255,255,255,.9); padding: 1px 6px; border-radius: 4px;
  pointer-events: none;
}

.section-head {
  margin: 26px 0 14px; padding-bottom: 8px;
  border-bottom: 2px solid var(--line-2);
  font-size: 16px; font-weight: 600; color: var(--ink);
}
.section-head:first-child { margin-top: 0; }

.submit-zone {
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px 26px; text-align: center;
  box-shadow: var(--shadow);
}

/* ---------- 弹层 ---------- */
.mask {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(44, 42, 39, .42);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.modal {
  background: #fff; border-radius: 12px; padding: 26px;
  max-width: 460px; width: 100%;
  box-shadow: 0 24px 60px -18px rgba(0,0,0,.32);
}
.modal h3 { margin-top: 0; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; }

/* ---------- 成绩单 ---------- */
.score-hero { text-align: center; padding: 8px 0 4px; }
.score-num {
  font-size: 62px; font-weight: 700; line-height: 1.05;
  font-family: var(--mono); letter-spacing: -.02em;
}
.score-num.pass { color: var(--accent); }
.score-num.fail { color: var(--ink-3); }
.score-of { font-size: 15px; color: var(--ink-3); }

.score-rows { margin-top: 20px; }
.score-row {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 0; border-bottom: 1px solid var(--line);
}
.score-row:last-child { border-bottom: none; }
.score-row .lbl { flex: none; width: 108px; color: var(--ink-2); font-size: 14px; }
.score-row .bar { flex: 1; height: 7px; background: #efece6; border-radius: 999px; overflow: hidden; }
.score-row .bar i { display: block; height: 100%; background: var(--accent); border-radius: 999px; }
.score-row .val { flex: none; width: 76px; text-align: right; font-family: var(--mono); font-size: 14px; }

/* ---------- 表格（后台） ---------- */
table.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
table.tbl th, table.tbl td {
  padding: 9px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle;
}
table.tbl th {
  font-size: 12px; color: var(--ink-3); font-weight: 600;
  background: #fbfaf8; position: sticky; top: 0; z-index: 1;
  white-space: nowrap;
}
table.tbl tbody tr:hover { background: #fbfaf8; }
table.tbl td.num { font-family: var(--mono); text-align: right; }

.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 16px; }
.toolbar .spacer { flex: 1; }
.toolbar input[type=text], .toolbar select { width: auto; min-width: 150px; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 22px; flex-wrap: wrap; }
.tab {
  padding: 9px 16px; font-size: 14px; font-weight: 600; cursor: pointer;
  color: var(--ink-3); border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tab:hover { color: var(--ink); }
.tab.on { color: var(--accent-dark); border-bottom-color: var(--accent); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
.panel {
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow);
}
.panel h4 { margin: 0 0 10px; font-size: 13px; color: var(--ink-3); letter-spacing: .04em; }

.rubric-list { margin: 0; padding-left: 18px; font-size: 14px; }
.rubric-list li { margin-bottom: 5px; }

.hit  { color: var(--accent-dark); }
.miss { color: var(--danger); }

.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%);
  background: var(--ink); color: #fff; padding: 10px 18px; border-radius: 8px;
  font-size: 14px; z-index: 500; box-shadow: 0 8px 24px -8px rgba(0,0,0,.4);
  opacity: 0; transition: opacity .2s, transform .2s; pointer-events: none;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(-4px); }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .exam-layout { grid-template-columns: 1fr; gap: 16px; }
  .nav-panel { position: static; }
  .nav-grid { grid-template-columns: repeat(10, 1fr); }
  .split { grid-template-columns: 1fr; }
  .match-row { flex-wrap: wrap; }
  .match-row select { width: 100%; }
}
@media (max-width: 560px) {
  .page { padding: 28px 16px 48px; }
  .card { padding: 20px; }
  .q-card { padding: 18px; }
  .exam-bar-in { gap: 10px; padding: 10px 14px; flex-wrap: wrap; }
  .timer { font-size: 17px; }
  .score-num { font-size: 50px; }
  .nav-grid { grid-template-columns: repeat(8, 1fr); }
}

@media print { .no-print { display: none !important; } }