/* 2024年信息技术会考B卷 答题页面样式 - Author: Echo009 */

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 16px 120px;
  position: relative;
  z-index: 1;
}

.page-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 20px;
  align-items: start;
}

.exam-main { min-width: 0; }

.dashboard-panel {
  position: sticky;
  top: 12px;
  padding: 20px;
  margin-bottom: 0;
}

.dashboard-panel h2 {
  margin: 0 0 16px;
  font-size: 1.05rem;
  font-family: var(--font-heading);
  color: var(--ink-bright);
}

.dash-top {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.progress-ring-wrap { position: relative; width: 120px; height: 120px; }

.progress-ring { width: 120px; height: 120px; transform: rotate(-90deg); }

.ring-bg, .ring-fill { fill: none; stroke-width: 10; }

.ring-bg { stroke: var(--ink-dim); }

.ring-fill {
  stroke: var(--accent);
  stroke-linecap: round;
  stroke-dasharray: 326.73;
  stroke-dashoffset: 326.73;
  transition: stroke-dashoffset 0.4s ease, stroke 0.3s;
}

.ring-fill.complete { stroke: var(--success); }

.ring-center {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
}

.ring-pct { font-size: 1.75rem; font-weight: 800; color: var(--accent); line-height: 1; }

.ring-label { font-size: 0.75rem; color: var(--ink-muted); margin-top: 4px; }

.dash-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; width: 100%; }

.dash-stat {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 10px;
  text-align: center;
}

.dash-stat .num { display: block; font-size: 1.5rem; font-weight: 800; color: var(--accent); line-height: 1.2; }
.dash-stat .num.done { color: var(--success); }
.dash-stat .num.todo { color: var(--warning); }
.dash-stat .lbl { font-size: 0.75rem; color: var(--ink-muted); margin-top: 2px; }

.dash-sections { margin-bottom: 18px; }
.dash-sec-item { margin-bottom: 12px; }

.dash-sec-head {
  display: flex; justify-content: space-between;
  font-size: 0.82rem; margin-bottom: 5px; color: var(--ink);
}
.dash-sec-head span:last-child { font-weight: 700; color: var(--accent); }

.dash-sec-bar { height: 8px; background: var(--ink-dim); border-radius: 999px; overflow: hidden; }

.dash-sec-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-hover));
  border-radius: 999px;
  transition: width 0.35s ease;
}
.dash-sec-bar-fill.full { background: linear-gradient(90deg, var(--success), var(--teal)); }

.dash-nav-title { font-size: 0.85rem; font-weight: 600; margin-bottom: 10px; color: var(--ink); }
.dash-nav-title span { font-weight: 400; color: var(--ink-muted); font-size: 0.75rem; }

.q-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }

.q-cell {
  aspect-ratio: 1;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-surface);
  font-size: 0.7rem; font-weight: 600;
  color: var(--ink-muted);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.15s;
  padding: 0;
}
.q-cell:hover { border-color: var(--accent); color: var(--accent); transform: scale(1.05); }
.q-cell.answered { background: var(--success-soft); border-color: var(--success); color: var(--success); }
.q-cell.current { box-shadow: 0 0 0 2px var(--accent); }
.q-cell.submitted-correct { background: var(--success-soft); border-color: var(--success); color: var(--success); }
.q-cell.submitted-wrong { background: var(--error-soft); border-color: var(--error); color: var(--error); }

.dash-score-banner {
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: #fff; border-radius: 10px; padding: 14px; text-align: center; margin-bottom: 16px;
}
.dash-score-banner .big { font-size: 2rem; font-weight: 800; }
.dash-score-banner .sub { font-size: 0.8rem; opacity: 0.9; }

.submit-progress { flex: 1; min-width: 180px; max-width: 420px; }

header { text-align: center; margin-bottom: 28px; }
header h1 {
  margin: 0 0 8px; font-size: 1.75rem;
  font-family: var(--font-heading); color: var(--ink-bright);
}
header p { margin: 0; color: var(--ink-muted); }

.card h2 {
  margin: 0 0 16px; font-size: 1.2rem;
  font-family: var(--font-heading); color: var(--ink-bright);
  padding-bottom: 10px; border-bottom: 2px solid var(--accent-soft);
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label { display: block; font-weight: 600; margin-bottom: 6px; color: var(--ink); }

/* --- 考生信息栏组件 --- */
.info-bar {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 16px 24px;
  background: linear-gradient(135deg, var(--bg-surface), var(--bg-elevated));
  border: 1px solid var(--accent);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  box-shadow: 0 0 20px rgba(91,141,239,0.1), var(--shadow);
  margin-bottom: 20px;
}
.info-bar__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink-bright);
  white-space: nowrap;
  flex-shrink: 0;
  padding-right: 20px;
  border-right: 1px solid var(--border);
}
.info-bar__fields {
  display: flex;
  align-items: center;
  gap: 24px;
  flex: 1;
}
.info-field {
  display: flex;
  align-items: center;
  gap: 10px;
}
.info-field label {
  margin: 0;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--ink-bright);
  white-space: nowrap;
}
.info-field input,
.info-field select {
  min-width: 160px;
  padding: 10px 14px;
  font-size: 1rem;
  border-color: var(--border-hover);
}
.info-field input:focus,
.info-field select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.section-nav {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 20px; position: sticky; top: 0; z-index: 10;
  background: rgba(21,25,41,0.95); backdrop-filter: blur(6px);
  padding: 12px 0;
}
.section-nav button {
  border: 1px solid var(--border); background: var(--bg-surface);
  color: var(--ink); padding: 8px 14px; border-radius: 999px;
  cursor: pointer; font-size: 0.9rem; transition: all 0.2s;
}
.section-nav button.active, .section-nav button:hover {
  background: var(--accent); color: #fff; border-color: var(--accent);
}

.question-block { margin-bottom: 24px; padding-bottom: 20px; border-bottom: 1px dashed var(--border); }
.question-block:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

.q-header { font-weight: 600; margin-bottom: 12px; white-space: pre-wrap; line-height: 1.7; }
.q-header .q-num { font-weight: 700; color: var(--accent); margin-right: 4px; }
.q-stem { margin-bottom: 12px; white-space: pre-wrap; }

.q-code {
  background: var(--bg-deep); color: var(--ink);
  padding: 14px 16px; border-radius: 8px;
  font-family: var(--font-code); font-size: 0.95rem;
  overflow-x: auto; margin-bottom: 12px; white-space: pre-wrap;
}

.q-images { display: flex; flex-wrap: wrap; gap: 12px; margin: 12px 0; }
.q-images img { max-width: 100%; height: auto; border: 1px solid var(--border); border-radius: 8px; background: var(--bg-surface); }

.options { display: grid; gap: 8px; }

.option {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 10px 12px; border: 1px solid var(--border);
  border-radius: 8px; cursor: pointer; transition: all 0.15s;
}
.option:hover { border-color: var(--accent); background: var(--accent-soft); }
.option input { margin-top: 4px; accent-color: var(--accent); flex-shrink: 0; }
.option-body { flex: 1; min-width: 0; }
.option-text { display: block; }

.option-explain {
  display: none; margin-top: 6px; padding: 8px 10px;
  border-radius: 6px; font-size: 0.88rem; line-height: 1.5;
  color: var(--ink-muted); background: var(--bg-surface);
  border-left: 3px solid var(--border);
}
.option.correct .option-explain, .option.wrong .option-explain, .option.show-explain .option-explain { display: block; }
.option.correct .option-explain { background: var(--success-soft); border-left-color: var(--success); color: var(--success); }
.option.wrong .option-explain { background: var(--error-soft); border-left-color: var(--error); color: var(--error); }
.option.correct:not(.selected) .option-explain,
.option.show-explain:not(.selected):not(.wrong) .option-explain {
  background: var(--bg-surface); border-left-color: var(--ink-muted); color: var(--ink-muted);
}

.option.selected { border-color: var(--accent); background: var(--accent-soft); }
.option.correct { border-color: var(--success); background: var(--success-soft); }
.option.wrong { border-color: var(--error); background: var(--error-soft); }

.feedback-panel { margin-top: 12px; padding: 12px 14px; border-radius: 8px; display: none; }
.feedback-panel.show { display: block; }
.feedback-panel.correct { background: var(--success-soft); border: 1px solid var(--success); }
.feedback-panel.wrong { background: var(--error-soft); border: 1px solid var(--error); }
.feedback-panel h4 { margin: 0 0 10px; font-size: 1rem; color: var(--ink-bright); }

.prog-explain-summary {
  padding: 12px 14px; background: var(--accent-soft);
  border: 1px solid var(--accent); border-radius: 8px; margin-bottom: 12px;
}
.prog-explain-summary strong { display: block; margin-bottom: 6px; color: var(--accent); font-size: 0.92rem; }
.prog-explain-summary p { margin: 0; line-height: 1.65; font-size: 0.95rem; color: var(--ink); }

.run-result-box { margin-top: 12px; }
.run-result-box strong { display: block; margin-bottom: 6px; font-size: 0.9rem; color: var(--ink-muted); }

.calc-detail {
  margin-top: 10px; padding: 14px 16px;
  background: var(--warning-soft); border: 1px solid var(--warning); border-radius: 8px;
}
.calc-detail strong { display: block; margin-bottom: 10px; color: var(--warning); font-size: 0.95rem; }
.calc-detail pre {
  margin: 0; white-space: pre-wrap;
  font-family: var(--font-body); font-size: 0.92rem; line-height: 1.7; color: var(--ink);
}

.answer-code-box { margin-top: 12px; }
.answer-code-box strong { display: block; margin-bottom: 8px; color: var(--accent); }
.answer-code-box .q-code { margin-bottom: 0; }

.option-feedback-list { list-style: none; padding: 0; margin: 0; }
.option-feedback-list li { padding: 6px 0; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
.option-feedback-list li:last-child { border-bottom: none; }
.option-feedback-list .opt-key { font-weight: 700; margin-right: 6px; }

.code-editor-wrap { margin-top: 12px; }

.code-editor {
  width: 100%; min-height: 180px; padding: 14px 16px;
  border: 1px solid var(--ink-dim); border-radius: 8px;
  background: var(--bg-deep); color: var(--ink);
  font-family: var(--font-code); font-size: 0.95rem;
  line-height: 1.5; resize: vertical;
}
.code-editor:focus { outline: 2px solid var(--accent); outline-offset: 2px; }

.code-actions { display: flex; gap: 10px; margin-top: 10px; flex-wrap: wrap; }

.submit-bar {
  position: fixed; left: 0; right: 0; bottom: 0;
  background: rgba(11,13,23,0.95);
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.3);
  padding: 14px 16px; z-index: 20;
}
.submit-bar .inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center;
  justify-content: space-between; gap: 16px; flex-wrap: wrap;
}

.progress-text { color: var(--ink-muted); font-size: 0.95rem; }
.progress-text strong { color: var(--ink); }

.sample-box {
  background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: 8px; padding: 12px; margin: 10px 0; font-size: 0.9rem;
}
.sample-box pre { margin: 6px 0 0; white-space: pre-wrap; font-family: var(--font-code); }

.result-summary { text-align: center; padding: 20px; }
.result-summary .score { font-size: 2.5rem; font-weight: 800; color: var(--accent); margin: 8px 0; }
.result-summary .meta { color: var(--ink-muted); }

.rank-info { margin: 16px 0; }
.rank-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; max-width: 480px; margin: 0 auto; }
.rank-card {
  padding: 16px 14px; border-radius: 12px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg-surface), var(--bg-page));
  text-align: center;
}
.rank-card-class { border-color: var(--accent); background: linear-gradient(180deg, var(--accent-soft), var(--bg-surface)); }
.rank-card-grade { border-color: var(--success); background: linear-gradient(180deg, var(--success-soft), var(--bg-surface)); }
.rank-label { font-size: 0.85rem; color: var(--ink-muted); margin-bottom: 6px; }
.rank-num { font-size: 1.1rem; color: var(--ink); margin-bottom: 4px; }
.rank-num strong { font-size: 1.75rem; font-weight: 800; color: var(--accent); }
.rank-card-grade .rank-num strong { color: var(--success); }
.rank-total { font-size: 0.85rem; color: var(--ink-muted); }
.rank-note { margin-top: 10px !important; font-size: 0.82rem !important; }
.rank-loading { padding: 12px 0; }
.rank-error { color: var(--warning) !important; }

.btn-rank-refresh {
  margin-top: 12px; padding: 8px 16px;
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg-surface); color: var(--accent);
  font-size: 0.9rem; font-weight: 600; cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}
.btn-rank-refresh:hover { background: var(--accent-soft); border-color: var(--accent); }

.hidden { display: none !important; }
.hint-text { color: var(--warning); font-size: 0.9rem; margin-top: 8px; }

.run-output {
  margin-top: 10px; padding: 10px 12px;
  background: var(--bg-deep); color: var(--success);
  border-radius: 8px; font-family: var(--font-code);
  font-size: 0.85rem; white-space: pre-wrap; min-height: 40px;
}
.run-output.error { color: var(--error); }

@media (max-width: 900px) {
  .page-layout { grid-template-columns: 1fr; }
  .dashboard-panel { position: static; }
  .dash-top { flex-direction: row; justify-content: center; flex-wrap: wrap; }
  .progress-ring-wrap { flex-shrink: 0; }
  .dash-stats { flex: 1; min-width: 200px; }
  .q-grid { grid-template-columns: repeat(10, 1fr); }
}

@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; }
  header h1 { font-size: 1.4rem; }
  .rank-cards { grid-template-columns: 1fr; max-width: none; }
  .info-bar { flex-direction: column; align-items: stretch; gap: 12px; }
  .info-bar__fields { flex-direction: column; gap: 12px; }
  .info-field { width: 100%; }
  .info-field input, .info-field select { flex: 1; min-width: 0; }
}