/* ============================================================
 * modules.css — 智趣云班 3.0 课程系统样式（Phase 1）
 * 移动优先；复用 style.css 设计系统变量；只新增课程相关组件
 * ============================================================ */
/* 学生卡片网格（班级详情弹窗） */
.student-card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(126px,1fr));gap:8px;list-style:none;margin:0;padding:0}
.student-card{background:#fff;border:1px solid var(--line,#e2e8f0);border-radius:10px;padding:10px 8px 8px;display:flex;flex-direction:column;align-items:center;gap:3px;cursor:pointer;transition:box-shadow .15s,transform .15s}
.student-card:hover{box-shadow:0 2px 8px rgba(15,23,42,.08);transform:translateY(-1px)}
.student-card-name{font-size:13px;font-weight:600;color:#1e293b;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;display:flex;align-items:center;gap:4px}
.student-card-name .s-no{font-size:10px;font-weight:500;color:#64748b;background:#f1f5f9;border-radius:4px;padding:0 4px;flex-shrink:0}
.student-card-stats{font-size:11px;color:#64748b;display:flex;gap:6px;align-items:center}
.student-card-stats .s-star{color:#f59e0b;font-weight:600}
.student-card-stats .s-point{color:var(--brand,#4f6ef7);font-weight:600}
.student-card-actions{display:flex;gap:4px;margin-top:2px}
.student-card-btn{width:24px;height:24px;border-radius:50%;border:none;display:flex;align-items:center;justify-content:center;font-size:13px;cursor:pointer;transition:filter .15s;flex-shrink:0}
.student-card-btn:hover{filter:brightness(1.08)}
.student-card-btn.primary{background:var(--brand,#4f6ef7);color:#fff}
.student-card-btn.soft{background:#eef2ff;color:var(--brand,#4f6ef7)}
.student-card-btn.danger{background:#fdeaea;color:var(--warn,#E8645A)}
@media(max-width:480px){.student-card-grid{grid-template-columns:repeat(auto-fill,minmax(108px,1fr));gap:6px}.student-card{padding:8px 5px 6px}.student-card-btn{width:22px;height:22px;font-size:12px}.student-card-actions{gap:2px}}

.course-class-select {
  width: 100%; min-height: 44px; padding: 0 12px; margin-bottom: 12px;
  border: 1px solid var(--line); border-radius: 11px;
  background: #fff; font-size: 15px; color: var(--text); outline: none;
}
.course-class-select:focus { border-color: var(--brand); }

.progress { display: flex; align-items: center; gap: 8px; margin-top: 10px; }
.progress-track { flex: 1; height: 6px; border-radius: 3px; background: #EEF1F8; overflow: hidden; }
.progress-fill { height: 100%; border-radius: 3px; background: var(--brand); }
.progress-text { font-size: 12px; color: var(--text-sub); min-width: 38px; text-align: right; }

.journey { display: flex; flex-direction: column; gap: 14px; }
.station-head { display: flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 700; margin: 0 0 8px; }
.sta-icon { font-size: 18px; }
.sta-bar { flex: 1; height: 3px; border-radius: 2px; background: var(--line); }
.sec-item {
  display: block; background: var(--card); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 12px 14px; margin-bottom: 10px;
  text-decoration: none; color: inherit; cursor: pointer;
}
.sec-item.done { opacity: .78; }
.sec-item.todo .sec-title { color: var(--text-sub); font-weight: 500; }
.sec-row { display: flex; align-items: center; gap: 8px; }
.sec-status { font-size: 16px; }
.sec-title { font-size: 15px; font-weight: 600; flex: 1; }
.sec-sub { margin-top: 6px; }

.tc-section { margin-bottom: 12px; }
.sec-line { display: flex; align-items: center; gap: 8px; }
.tc-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.tc-quiz-panel { margin-top: 12px; border-top: 1px dashed var(--line); padding-top: 10px; }
.tc-question { background: #F7F9FD; border-radius: 10px; padding: 10px 12px; margin-bottom: 8px; }
.tc-question .q-line { display: flex; gap: 6px; align-items: flex-start; font-size: 14px; }
.tc-question .q-opts { font-size: 13px; color: var(--text-sub); margin-top: 4px; }
.tc-sub-list { margin-top: 10px; border-top: 1px dashed var(--line); padding-top: 10px; }
.tc-sub-item { display: flex; justify-content: space-between; align-items: center; padding: 6px 0; border-bottom: 1px solid #F0F2F7; font-size: 14px; }
.tc-sub-item:last-child { border-bottom: none; }
.tc-sub-meta { font-size: 12px; color: var(--text-sub); }

.sec-banner { padding: 14px 16px; }
.quiz-q { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 14px 16px; margin-bottom: 12px; }
.q-meta { font-size: 12px; color: var(--text-sub); margin-bottom: 6px; }
.q-title { font-size: 15px; font-weight: 600; margin-bottom: 10px; }
.q-option { display: flex; align-items: center; gap: 8px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; margin-bottom: 8px; font-size: 15px; cursor: pointer; }
.q-option:active { background: #F4F6FB; }
.q-fill { margin-top: 4px; }
.q-input { width: 100%; min-height: 44px; padding: 0 12px; border: 1px solid var(--line); border-radius: 10px; font-size: 15px; outline: none; }
.quiz-result { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px 16px; text-align: center; margin-bottom: 12px; }
.qr-score { font-size: 20px; font-weight: 800; }
.qr-score b { color: var(--brand); font-size: 30px; }
.ok-text { color: var(--ok); }
.quiz-review-item { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 12px 14px; margin-bottom: 10px; }
.sec-html { line-height: 1.7; font-size: 15px; }
.sec-html img { max-width: 100%; border-radius: 10px; }
.sec-video { width: 100%; border-radius: 12px; background: #000; }

.self-eval { position: fixed; inset: 0; z-index: 50; display: flex; align-items: flex-end; background: rgba(15,20,35,.5); }
.self-eval .se-card {
  width: 100%; max-width: 480px; margin: 0 auto; background: var(--card);
  border-radius: 18px 18px 0 0; padding: 18px 18px calc(18px + var(--safe-bottom));
  max-height: 80vh; overflow: auto;
}
.se-moods { display: flex; gap: 8px; margin: 10px 0; }
.se-mood {
  flex: 1; min-height: 52px; border: 1px solid var(--line); border-radius: 10px;
  background: #fff; font-size: 13px; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
}
.se-mood.active { border-color: var(--brand); background: rgba(74,108,247,.08); color: var(--brand); font-weight: 600; }

/* ========== 手机端适配（<768px） ========== */
@media (max-width: 767px) {
  .sec-item { padding: 10px 12px; }
  .quiz-q { padding: 12px 14px; }
  .q-option { padding: 8px 12px; font-size: 14px; }
  .quiz-result { padding: 16px 12px; }
  .tc-question { padding: 8px 10px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .dash-grid { grid-template-columns: 1fr 1fr 1fr; gap: 6px; }
  .dash-row { grid-template-columns: 1fr; }
  .self-eval .se-card { max-width: 100%; border-radius: 14px 14px 0 0; }
  .se-mood { min-height: 44px; font-size: 12px; }
}