:root {
  --green-900: #1d3a30; --green-800: #24463a; --green-700: #2c5244; --green-600: #3a6a58;
  --green-100: #e6ece8; --green-50: #eef2ef;
  --cream: #f4f4ef; --paper: #ffffff; --line: #e5e7e3; --line-strong: #cfd4ce;
  --ink: #1b1f1d; --ink-2: #4a524d; --ink-3: #7b847e; --ink-4: #a2aaa4;
  --danger: #b3463a; --danger-bg: #fbeae7; --warn-bg: #fff6e5; --warn: #9a6a12;
  --radius: 10px; --shadow: 0 1px 2px rgba(20, 40, 30, .06), 0 4px 16px rgba(20, 40, 30, .04);
  --sidebar-w: 300px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--cream); color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", Roboto, Helvetica, Arial, sans-serif; font-size: 15px; line-height: 1.5; }
a { color: inherit; }
button { font: inherit; }
input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4 { margin: 0; font-weight: 700; }
.hidden { display: none !important; }

/* ===== 布局 ===== */
.shell { display: flex; min-height: 100vh; }
.sidebar { width: var(--sidebar-w); background: var(--green-800); color: #fff; padding: 36px 30px; display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; flex-shrink: 0; }
.brand { display: flex; align-items: center; gap: 16px; margin-bottom: 60px; }
.brand-logo { width: 48px; height: 48px; border-radius: 10px; background: #fff; color: var(--green-800); font-weight: 900; font-size: 26px; display: grid; place-items: center; position: relative; }
.brand-logo::after { content: ""; position: absolute; right: 7px; bottom: 7px; width: 7px; height: 7px; background: #e0b84c; border-radius: 50%; }
.brand-title { font-size: 20px; letter-spacing: 1px; font-weight: 800; letter-spacing: .5px; }
.brand-sub { font-size: 12.5px; opacity: .78; margin-top: 2px; }
.nav a { display: flex; align-items: center; gap: 14px; padding: 16px 20px; margin-bottom: 8px; color: rgba(255,255,255,.88); text-decoration: none; border-radius: 8px; border-left: 3px solid transparent; font-size: 16.5px; }
.nav a:hover { background: rgba(255,255,255,.06); }
.nav a.active { background: rgba(255,255,255,.1); border-left-color: #fff; color: #fff; }
.nav svg { width: 22px; height: 22px; }
.sidebar-foot { margin-top: auto; font-size: 12px; color: rgba(255,255,255,.7); }
.sidebar-foot .org { display: flex; align-items: center; gap: 8px; font-size: 13px; margin-bottom: 6px; }
.sidebar-foot .fmt { letter-spacing: 1px; font-size: 12.5px; }

.main { flex: 1; min-width: 0; }
.topbar { display: flex; align-items: center; justify-content: space-between; padding: 22px 70px 22px 70px; background: #fbfbf8; border-bottom: 1px solid var(--line); }
.crumbs { color: var(--ink-3); font-size: 16px; }
.crumbs span.cur { color: var(--ink-2); }
.crumbs .sep { margin: 0 14px; color: var(--ink-4); }
.user-area { display: flex; align-items: center; gap: 22px; color: var(--ink-2); }
.role-chip { background: var(--green-50); padding: 6px 14px; border-radius: 6px; font-size: 14px; color: var(--ink-2); }
.avatar { width: 38px; height: 38px; border-radius: 50%; background: var(--green-50); display: grid; place-items: center; font-weight: 600; color: var(--ink-2); }
.icon-btn { background: none; border: none; cursor: pointer; color: var(--ink-2); padding: 4px; display: grid; place-items: center; }
.icon-btn svg { width: 22px; height: 22px; }

.page { padding: 60px 70px 90px; max-width: 1980px; }
.eyebrow { font-size: 12px; letter-spacing: 3px; color: var(--ink-3); text-transform: uppercase; margin-bottom: 14px; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; margin-bottom: 36px; }
.page-head h1 { font-size: 44px; line-height: 1.15; margin-bottom: 18px; }
.page-head .lead { color: var(--ink-2); font-size: 17px; }

/* ===== Tabs ===== */
.tabs { display: inline-flex; gap: 2px; background: #ecefea; padding: 4px; border-radius: 8px; margin-bottom: 40px; flex-wrap: wrap; }
.tabs button { border: 2px solid transparent; background: transparent; padding: 10px 14px; border-radius: 6px; cursor: pointer; font-size: 18px; color: var(--ink-2); display: inline-flex; align-items: center; gap: 8px; }
.tabs button svg { width: 20px; height: 20px; }
.tabs button.active { background: #fff; color: var(--ink); border-color: var(--green-600); }

/* ===== Card ===== */
.card { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 40px 44px; margin-bottom: 32px; box-shadow: var(--shadow); }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.card-head h2 { font-size: 24px; display: flex; align-items: baseline; gap: 16px; }
.card-head h2 small { font-size: 16px; font-weight: 400; color: var(--ink-3); }
.card h2.big { font-size: 32px; margin-bottom: 8px; }
.sub { color: var(--ink-2); font-size: 15.5px; }
.muted { color: var(--ink-3); }
.hint { font-size: 14px; color: var(--ink-3); margin-top: 8px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.grid-2 > .card { margin-bottom: 0; }
@media (max-width: 1200px) { .grid-2 { grid-template-columns: 1fr; } }

/* ===== Buttons ===== */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 24px; border-radius: 6px; border: 1px solid var(--green-800); background: var(--green-800); color: #fff; cursor: pointer; font-size: 17px; white-space: nowrap; text-decoration: none; }
.btn:hover { background: var(--green-700); }
.btn.outline { background: #fff; color: var(--ink); border-color: var(--line-strong); }
.btn.outline:hover { background: var(--green-50); }
.btn.ghost { background: transparent; border-color: transparent; color: var(--ink-2); padding: 8px 10px; }
.btn.danger { background: var(--danger); border-color: var(--danger); }
.btn.danger-soft { background: #e8b0aa; border-color: #e8b0aa; color: #fff; }
.btn.sm { padding: 10px 18px; font-size: 15px; }
.btn.xs { padding: 7px 14px; font-size: 14px; }
.btn.block { width: 100%; justify-content: center; }
.btn:disabled { opacity: .5; cursor: default; }
.btn svg { width: 18px; height: 18px; }

/* ===== Forms ===== */
.field { margin-bottom: 26px; }
.field label { display: block; font-size: 15.5px; color: var(--ink-2); margin-bottom: 10px; }
.field input[type=text], .field input[type=password], .field input[type=number], .field input[type=date], .field input[type=datetime-local], .field select, .field textarea {
  width: 100%; padding: 18px 20px; border: 1px solid var(--line-strong); border-radius: 6px; background: #fff; font-size: 18px; outline: none; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--green-600); box-shadow: 0 0 0 3px rgba(58,106,88,.12); }
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%234a524d' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 18px center; padding-right: 48px; }
.field input::placeholder { color: var(--ink-4); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 32px; }
.check { display: flex; align-items: center; gap: 12px; font-size: 17px; cursor: pointer; }
.check input { width: 20px; height: 20px; accent-color: var(--green-800); }
.check-group { border: 1px solid var(--line-strong); border-radius: 6px; padding: 12px 22px 18px; margin-bottom: 26px; }
.check-group legend { padding: 0 6px; font-size: 17px; }
.check-group .items { display: flex; flex-wrap: wrap; gap: 14px 32px; margin-top: 8px; }
.check-group .check { font-size: 17px; }
.dropzone { border: 1px dashed var(--line-strong); border-radius: 8px; padding: 56px 24px; text-align: center; background: #fcfcfa; margin-bottom: 24px; }
.dropzone.dragover { border-color: var(--green-600); background: var(--green-50); }
.dropzone h3 { font-size: 22px; margin-bottom: 12px; }
.dropzone p { color: var(--ink-2); margin: 6px 0; font-size: 16px; }
.dropzone .file-row { font-size: 17px; margin: 18px 0 10px; }
.dropzone input[type=file] { display: none; }
.dropzone .choose { cursor: pointer; font-weight: 600; text-decoration: underline dotted; }
.dropzone svg { width: 40px; height: 40px; color: var(--ink-2); margin-bottom: 8px; }
.alert { padding: 16px 22px; border-radius: 6px; font-size: 15.5px; margin: 16px 0; }
.alert.info { background: var(--green-50); color: var(--ink-2); }
.alert.error { background: var(--danger-bg); color: var(--danger); border-left: 4px solid var(--danger); }
.alert.warn { background: var(--warn-bg); color: var(--warn); }
.alert.ok { background: #e7f3ec; color: #246b45; }

/* ===== Tags ===== */
.tag { display: inline-block; padding: 5px 12px; border-radius: 5px; font-size: 13.5px; background: var(--green-50); color: var(--ink-2); white-space: nowrap; }
.tag.green { background: #e2ebe6; color: #22513e; }
.tag.warn { background: var(--warn-bg); color: var(--warn); }
.tag.danger { background: var(--danger-bg); color: var(--danger); }
.tag.chip { background: #eef0ec; padding: 9px 14px; font-size: 15px; border-radius: 6px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 10px 0 24px; }
.badge-dot { display: inline-block; min-width: 22px; height: 22px; border-radius: 11px; background: var(--danger); color: #fff; font-size: 13px; text-align: center; line-height: 22px; padding: 0 6px; }

/* ===== Tables ===== */
.table { width: 100%; border-collapse: collapse; }
.table th { text-align: left; font-weight: 600; font-size: 15.5px; color: var(--ink-2); padding: 20px 22px; background: #f6f7f4; border-bottom: 1px solid var(--line); }
.table td { padding: 26px 22px; border-bottom: 1px solid var(--line); vertical-align: middle; font-size: 17px; }
.table tr:last-child td { border-bottom: none; }
.table .name { font-weight: 700; font-size: 19px; }
.table .acct { color: var(--ink-2); font-size: 16.5px; }
.table .sub-line { color: var(--ink-2); font-size: 16px; margin-top: 4px; }
.table .actions { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.table .empty td { text-align: center; color: var(--ink-3); padding: 60px; }
.table input[type=checkbox] { width: 22px; height: 22px; accent-color: var(--green-800); }
.table .dash { color: var(--ink-3); }

/* 题套列表 */
.set-row { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 34px 0; border-bottom: 1px solid var(--line); }
.set-row:last-child { border-bottom: none; }
.set-row .info h3 { font-size: 22px; display: flex; align-items: center; gap: 16px; }
.set-row .meta { color: var(--ink-2); font-size: 16px; margin-top: 10px; }
.set-row .auth { color: var(--ink-2); font-size: 16px; margin-top: 8px; display: flex; align-items: center; gap: 8px; }
.set-row .auth svg { width: 18px; height: 18px; }
.set-row .ops { display: flex; align-items: center; gap: 14px; }
.set-row .ops .sel { margin-right: 10px; }

/* 照片卡片 */
.photo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 32px; margin-top: 28px; }
.photo-card { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: #fff; }
.photo-card .img { aspect-ratio: 4/3; background: #e9ebe7; display: grid; place-items: center; color: var(--ink-3); overflow: hidden; }
.photo-card .img img { width: 100%; height: 100%; object-fit: cover; }
.photo-card .body { padding: 22px 22px 26px; }
.photo-card .body h4 { font-size: 20px; margin-bottom: 14px; }
.photo-card .body p { margin: 2px 0; color: var(--ink-2); font-size: 16.5px; }
.photo-card .body .btn { margin-top: 18px; }

/* 步骤条 */
.steps { display: flex; gap: 48px; background: #f1f3ee; border-radius: 8px; padding: 18px 28px; margin: 28px 0; font-size: 16.5px; color: var(--ink-2); }
.steps span { display: inline-flex; align-items: center; gap: 12px; }
.steps i { width: 30px; height: 30px; border-radius: 50%; border: 1.5px solid var(--green-600); color: var(--green-700); display: grid; place-items: center; font-style: normal; font-size: 14px; font-weight: 600; }
.section-card { border-top: 3px solid var(--green-700); }
.num { color: var(--ink-3); font-size: 14px; letter-spacing: 1px; margin-right: 12px; }
.empty-block { display: flex; align-items: center; gap: 28px; padding: 20px 0; color: var(--ink-2); font-size: 17px; }
.empty-block svg { width: 40px; height: 40px; color: var(--green-700); }
.empty-block h4 { font-size: 20px; margin-bottom: 8px; }
.empty-center { text-align: center; color: var(--ink-3); padding: 50px 0; font-size: 18px; }

/* 浮动按钮 */
.fab { position: fixed; right: 36px; bottom: 32px; background: #fff; border: 1px solid var(--line); border-radius: 30px; padding: 12px 24px; display: flex; align-items: center; gap: 12px; font-size: 16px; box-shadow: 0 6px 24px rgba(0,0,0,.12); cursor: pointer; z-index: 20; }
.fab svg { width: 22px; height: 22px; }

/* 弹窗 */
.modal-mask { position: fixed; inset: 0; background: rgba(20,30,25,.45); display: grid; place-items: center; z-index: 50; }
.modal { background: #fff; border-radius: 12px; width: min(760px, 92vw); max-height: 90vh; overflow: auto; padding: 36px 40px; }
.modal h3 { font-size: 24px; margin-bottom: 22px; }
.modal .foot { display: flex; justify-content: flex-end; gap: 12px; margin-top: 16px; }
.toast { position: fixed; left: 50%; top: 28px; transform: translateX(-50%); background: var(--ink); color: #fff; padding: 12px 22px; border-radius: 8px; font-size: 15px; z-index: 100; box-shadow: var(--shadow); }
.toast.error { background: var(--danger); }

/* 登录页 */
.login-wrap { min-height: 100vh; display: flex; flex-direction: column; background: #fff; }
.login-box { width: 860px; max-width: 92vw; margin: 90px auto 60px; flex: 1; }
.login-box .eyebrow { text-align: center; color: #3b5668; letter-spacing: 4px; }
.login-box h1 { text-align: center; font-size: 54px; margin: 16px 0 28px; color: #1d2731; }
.login-box .lead { text-align: center; color: var(--ink-2); font-size: 19px; margin-bottom: 60px; }
.login-box label { font-weight: 700; font-size: 18px; color: #1d2731; }
.login-box label i { color: var(--danger); font-style: normal; margin-left: 6px; }
.login-box .field input { padding: 24px 24px; font-size: 20px; border-color: var(--line-strong); }
.login-box .btn.block { background: #1d2731; border-color: #1d2731; padding: 26px; font-size: 22px; justify-content: space-between; border-radius: 4px; margin-top: 46px; }
.login-box .btn.block:hover { background: #2a3744; }
.login-box .help { text-align: center; color: var(--ink-2); font-size: 17px; margin: 46px 0 36px; }
.login-box details { border-top: 1px solid var(--line); padding-top: 20px; color: var(--ink-2); font-size: 17px; }
.login-box summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; }
.login-box summary::after { content: "⌄"; font-size: 22px; }
.login-box details p { margin: 10px 0; font-size: 15.5px; }
.pw-wrap { position: relative; }
.pw-wrap .eye { position: absolute; right: 22px; top: 50%; transform: translateY(-50%); background: none; border: none; cursor: pointer; color: var(--ink-2); }
.pw-wrap .eye svg { width: 24px; height: 24px; }
.login-foot { background: #fafaf7; border-top: 1px solid var(--line); padding: 44px 370px; display: flex; justify-content: space-between; align-items: center; color: var(--ink-2); }
.login-foot b { display: block; font-size: 19px; color: var(--ink); margin-bottom: 8px; }
@media (max-width: 1100px) { .login-foot { padding: 40px 40px; } }

/* 学生端 */
.q-list { display: flex; flex-direction: column; gap: 10px; }
.q-item { padding: 14px 18px; border: 1px solid var(--line); border-radius: 8px; cursor: pointer; display: flex; justify-content: space-between; gap: 10px; }
.q-item:hover, .q-item.active { background: var(--green-50); border-color: var(--green-600); }
.q-view { font-size: 18px; }
.q-view .opts { display: flex; flex-direction: column; gap: 10px; margin: 18px 0; }
.q-view .opts label { padding: 12px 16px; border: 1px solid var(--line); border-radius: 8px; cursor: pointer; }
.cam { width: 180px; height: 135px; border-radius: 8px; background: #000; object-fit: cover; } .cam[data-ok="0"] { background: rgba(255,255,255,.08) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-opacity='.5' stroke-width='1.6'%3E%3Cpath d='M15 10l5-3v10l-5-3'/%3E%3Crect x='2' y='6' width='13' height='12' rx='2'/%3E%3Cpath d='M3 3l18 18'/%3E%3C/svg%3E") center/44px no-repeat; }
#camStatus { line-height: 1.5; padding: 0 6px; }
.overlay-lock { position: fixed; inset: 0; background: rgba(28,32,30,.96); color: #fff; display: grid; place-items: center; text-align: center; z-index: 200; font-size: 22px; }

@media (max-width: 900px) {
  .sidebar { display: none; }
  .page { padding: 28px 20px 80px; }
  .topbar { padding: 16px 20px; }
  .page-head h1 { font-size: 30px; }
  .card { padding: 22px 18px; }
  .form-grid { grid-template-columns: 1fr; }
  .table td, .table th { padding: 14px 10px; font-size: 14px; }
}

/* 学生端首页 */
.set-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(480px, 1fr)); gap: 28px; }
.set-card { margin: 0; } .set-card h3 { font-size: 30px; margin: 10px 0 6px; }
.sec-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 30px; margin-top: 24px; }
.sec-stat { display: flex; gap: 12px; align-items: flex-start; font-size: 17px; } .sec-stat svg { width: 24px; height: 24px; color: var(--ink-2); margin-top: 3px; } .sec-stat b { margin-right: 8px; }
.modal-x { position: absolute; right: 22px; top: 18px; background: none; border: none; font-size: 30px; color: var(--ink-3); cursor: pointer; } .modal { position: relative; }
.modal h4.mt { font-size: 18px; margin: 28px 0 14px; }
.scope-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.scope-opt { display: flex; gap: 18px; align-items: center; padding: 22px 26px; border: 1px solid var(--line-strong); border-radius: 6px; cursor: pointer; font-size: 19px; } .scope-opt.wide { grid-column: 1 / -1; }
.scope-opt input { width: 22px; height: 22px; accent-color: #2d5f7a; } .scope-opt:has(input:checked) { background: #eef6f6; border-color: #2d5f7a; }
.check.big { font-size: 19px; margin: 14px 0; } .check.big input { width: 22px; height: 22px; accent-color: #2d5f7a; }
.btn.dark { background: #1d2731; border-color: #1d2731; font-size: 20px; padding: 22px; margin-top: 26px; } .btn.dark:hover { background: #2a3744; }
.modal:has(#secTabs) { width: min(1240px, 96vw); }
.modal textarea.qpl { white-space: pre-wrap; word-break: break-all; }
.modal .table td { padding: 14px 10px; }
/* 手机 / 平板：侧边栏变成顶部导航 */
@media (max-width: 900px) {
  .shell { flex-direction: column; }
  .sidebar { display: flex; position: static; width: 100%; height: auto; flex-direction: row; flex-wrap: wrap; align-items: center; gap: 10px 18px; padding: 12px 16px; }
  .brand { margin: 0; gap: 10px; } .brand-logo { width: 36px; height: 36px; font-size: 20px; } .brand-title { font-size: 16px; } .brand-sub { display: none; }
  .nav { display: flex; gap: 4px; flex-wrap: wrap; } .nav a { padding: 8px 12px; margin: 0; font-size: 14px; border-left: none; border-bottom: 2px solid transparent; border-radius: 6px 6px 0 0; } .nav a.active { border-bottom-color: #fff; }
  .nav svg { width: 18px; height: 18px; } .sidebar-foot, .sidebar .cam, #camStatus { display: none; }
  .page-head { flex-direction: column; align-items: flex-start; gap: 14px; } .tabs button { font-size: 15px; padding: 8px 10px; }
  .set-grid { grid-template-columns: 1fr; } .scope-grid { grid-template-columns: 1fr; } .modal { padding: 22px 18px; }
  .table { display: block; overflow-x: auto; } .set-row { flex-direction: column; align-items: flex-start; } .set-row .ops { flex-wrap: wrap; }
  .fab { right: 12px; bottom: 12px; padding: 10px 16px; font-size: 14px; }
}
/* 批阅 */
.grade-row { border-top: 1px solid var(--line); padding: 22px 0; } .grade-head { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 12px; font-size: 16px; }
.grade-body { display: grid; grid-template-columns: 1fr 1.4fr; gap: 28px; } .grade-body .q-label { font-size: 12px; letter-spacing: 2px; color: var(--ink-3); margin-bottom: 6px; }
@media (max-width: 1000px) { .grade-body { grid-template-columns: 1fr; } }
/* 看板 */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-bottom: 28px; }
.kpi { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 22px 24px; } .kpi-n { font-size: 40px; font-weight: 700; font-variant-numeric: tabular-nums; } .kpi-l { color: var(--ink-2); font-size: 15px; }
.hbar { display: grid; grid-template-columns: 180px 1fr 110px; gap: 14px; align-items: center; margin: 12px 0; font-size: 15px; } .hbar-l { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; } .hbar-t { height: 12px; background: #e9ece8; border-radius: 6px; overflow: hidden; } .hbar-t i { display: block; height: 100%; background: var(--green-600); } .hbar-r { text-align: right; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.days { display: flex; gap: 18px; align-items: flex-end; height: 140px; padding-top: 10px; } .day { display: flex; flex-direction: column; align-items: center; gap: 4px; font-size: 12px; color: var(--ink-3); } .day i { display: block; width: 36px; background: var(--green-600); border-radius: 4px 4px 0 0; min-height: 4px; } .day b { color: var(--ink); }
/* 题目表单编辑 */
.qgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 14px; } .qf label { display: block; font-size: 12.5px; color: var(--ink-2); margin-bottom: 3px; }
.qf textarea, .qf input { width: 100%; padding: 7px 9px; border: 1px solid var(--line); border-radius: 6px; font: inherit; font-size: 13.5px; } .qf textarea { min-height: 54px; resize: vertical; }
.qf:has(textarea[data-f="text"]), .qf:has(textarea[data-f="passage"]), .qf:has(textarea[data-f="transcript"]), .qf:has(textarea[data-f="task"]), .qf:has(textarea[data-f="reference"]), .qf:has(textarea[data-f="explanation"]), .qf:has(textarea[data-f="translation"]), .qf:has(textarea[data-f="question"]), .qf:has(textarea[data-f="sentence"]) { grid-column: 1 / -1; }
@media (max-width: 900px) { .qgrid { grid-template-columns: 1fr; } }
/* ===== 题库中心 ===== */
.pill { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 999px; font-size: 13px; font-weight: 600; background: #eef0ec; color: var(--ink-2); white-space: nowrap; line-height: 1.5; }
.pill.green { background: #dcebe2; color: #1f5a3e; } .pill.warn { background: var(--warn-bg); color: var(--warn); } .pill.blue { background: #e3edf5; color: #2c5a7a; } .pill.danger { background: var(--danger-bg); color: var(--danger); }
.warn-text { color: var(--warn); } .danger-text { color: var(--danger) !important; }
.bank-tools { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin-bottom: 18px; }
.bsearch { display: flex; align-items: center; gap: 10px; border: 1px solid var(--line-strong); border-radius: 8px; padding: 0 14px; background: #fff; flex: 1 1 260px; max-width: 380px; }
.bsearch svg { width: 18px; height: 18px; color: var(--ink-3); flex-shrink: 0; } .bsearch input { border: none; outline: none; padding: 12px 0; font-size: 16px; width: 100%; background: transparent; }
.bsearch:focus-within { border-color: var(--green-600); box-shadow: 0 0 0 3px rgba(58,106,88,.12); }
.seg { display: inline-flex; background: #ecefea; border-radius: 8px; padding: 3px; gap: 2px; flex-wrap: wrap; }
.seg button { border: none; background: transparent; padding: 8px 14px; border-radius: 6px; cursor: pointer; font-size: 15px; color: var(--ink-2); display: inline-flex; gap: 6px; align-items: baseline; }
.seg button b { font-size: 12.5px; color: var(--ink-3); font-weight: 600; font-variant-numeric: tabular-nums; }
.seg button.active { background: #fff; color: var(--ink); box-shadow: 0 1px 2px rgba(0,0,0,.08); } .seg button.active b { color: var(--green-700); }
.bselect { padding: 11px 40px 11px 14px; border: 1px solid var(--line-strong); border-radius: 8px; font-size: 15px; background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%234a524d' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 14px center; appearance: none; }
.bulk { display: flex; align-items: center; gap: 10px; background: var(--green-50); border: 1px solid #d6e0da; border-radius: 8px; padding: 10px 14px; margin-bottom: 10px; position: sticky; top: 8px; z-index: 5; flex-wrap: wrap; }
.bulk > span { margin-right: 8px; font-size: 15px; }
.bmonth { display: flex; align-items: baseline; gap: 10px; font-size: 13px; letter-spacing: 1px; color: var(--ink-3); font-weight: 600; padding: 22px 0 8px; border-bottom: 1px solid var(--line); }
.bmonth span { font-weight: 400; letter-spacing: 0; }
.bank-row { display: grid; grid-template-columns: 22px 64px minmax(0, 1fr) auto; gap: 18px; align-items: center; padding: 20px 0; border-bottom: 1px solid var(--line); }
.bank-row .sel { width: 19px; height: 19px; accent-color: var(--green-800); }
.bdate { text-align: center; border: 1px solid var(--line); border-radius: 8px; padding: 6px 0; background: #fbfbf8; }
.bdate b { display: block; font-size: 18px; font-variant-numeric: tabular-nums; } .bdate span { font-size: 12px; color: var(--ink-3); }
.btitle { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.btitle a { font-size: 19px; font-weight: 700; text-decoration: none; color: var(--ink); } .btitle a:hover { text-decoration: underline; text-underline-offset: 3px; }
.bmeta { color: var(--ink-2); font-size: 14.5px; margin-top: 6px; }
.baud { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 8px; font-size: 14px; }
.aud { display: inline-flex; align-items: center; gap: 6px; background: #f1f3ee; border-radius: 6px; padding: 3px 10px; color: var(--ink-2); } .aud svg { width: 15px; height: 15px; }
.bops { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.bops .btn svg { width: 16px; height: 16px; }
.bar { height: 6px; background: #e8ebe6; border-radius: 4px; overflow: hidden; margin-top: 10px; max-width: 520px; }
.bar i { display: block; height: 100%; background: var(--green-600); border-radius: 4px; transition: width .4s ease; }
@media (max-width: 1100px) { .bank-row { grid-template-columns: 22px 56px minmax(0, 1fr); } .bops { grid-column: 3; justify-content: flex-start; } }
@media (max-width: 600px) { .bank-row { grid-template-columns: 22px minmax(0, 1fr); } .bdate { display: none; } .bops { grid-column: 2; } }
/* 发布弹窗 */
.rl { border-top: 1px solid var(--line); padding: 18px 0 6px; }
.rl-h { font-weight: 700; font-size: 16px; margin-bottom: 12px; cursor: default; } summary.rl-h { cursor: pointer; }
.cls-pick { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 10px; }
.cls-card { display: flex; gap: 12px; align-items: flex-start; border: 1px solid var(--line-strong); border-radius: 8px; padding: 12px 14px; cursor: pointer; background: #fff; }
.cls-card input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--green-800); flex-shrink: 0; }
.cls-card b { display: block; font-size: 15.5px; } .cls-card small { color: var(--ink-3); font-size: 13px; }
.cls-card:has(input:checked) { border-color: var(--green-600); background: var(--green-50); }
.rl-search { width: 100%; padding: 10px 12px; border: 1px solid var(--line-strong); border-radius: 6px; margin-bottom: 10px; font-size: 15px; }
.stu-pick { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 8px 14px; max-height: 210px; overflow: auto; padding: 2px; }
.stu-pick .check { font-size: 15px; gap: 8px; } .stu-pick .check input { width: 17px; height: 17px; } .stu-pick small { margin-left: 4px; font-size: 12px; }
.when { display: flex; gap: 22px; align-items: center; flex-wrap: wrap; } .when .check { font-size: 16px; }
.when input[type=datetime-local] { padding: 9px 12px; border: 1px solid var(--line-strong); border-radius: 6px; font-size: 15px; } .when input:disabled { opacity: .45; }
.rl-sum { margin-top: 18px; padding: 12px 16px; background: #f6f7f4; border-radius: 8px; font-size: 15.5px; color: var(--ink-2); } .rl-sum b { color: var(--ink); font-size: 18px; }
/* 预览 */
.modal.wide { width: min(1080px, 96vw); }
.pv-head h3 { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 6px; padding-right: 30px; }
.pv-head .sub { margin-bottom: 18px; }
#pvTabs { margin-bottom: 18px; } #pvTabs button { font-size: 16px; }
.pv-foot { position: sticky; bottom: -36px; background: #fff; padding: 14px 0 4px; border-top: 1px solid var(--line); }
.qp { border: 1px solid var(--line); border-radius: 10px; padding: 18px 20px; margin-bottom: 14px; background: #fff; }
.qp.flag { border-color: #ecd29a; box-shadow: inset 4px 0 0 #e0b84c; }
.qp-h { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; font-size: 14.5px; color: var(--ink-2); margin-bottom: 10px; } .qp-h b { color: var(--ink); font-size: 16px; }
.qp-flag { display: flex; justify-content: space-between; align-items: center; gap: 12px; background: var(--warn-bg); color: var(--warn); border-radius: 6px; padding: 8px 12px; font-size: 14px; margin-bottom: 12px; }
.qp-b { font-size: 15.5px; line-height: 1.65; }
.qp-text { white-space: pre-wrap; margin-bottom: 10px; } .qp-text.tr { background: #f6f7f4; border-radius: 6px; padding: 10px 12px; } .qp-text.tr i { display: block; font-style: normal; font-size: 12px; letter-spacing: 1px; color: var(--ink-3); margin-bottom: 4px; }
.qp-q { font-weight: 600; margin: 6px 0 8px; }
.qp-post { margin-bottom: 8px; } .qp-post b { margin-right: 8px; }
.qp-opts { margin: 4px 0 4px 1.4em; padding: 0; list-style: upper-alpha; } .qp-opts li { padding: 3px 8px; border-radius: 5px; } .qp-opts li.ok { background: #dcebe2; color: #1f5a3e; font-weight: 600; }
.qp-words { display: flex; flex-wrap: wrap; gap: 6px; } .qp-words span { border: 1px solid var(--line-strong); border-radius: 5px; padding: 2px 10px; font-size: 14.5px; }
.qp-img { max-width: 320px; width: 100%; border: 1px solid var(--line); border-radius: 6px; margin-bottom: 10px; display: block; }
.blank { display: inline-block; min-width: 2.5em; border-bottom: 2px solid var(--green-600); color: #1f5a3e; font-weight: 600; padding: 0 3px; text-align: center; }
.qp-f { border-top: 1px dashed var(--line); margin-top: 12px; padding-top: 10px; font-size: 14.5px; display: grid; gap: 6px; color: var(--ink-2); }
.qp-f .lbl { display: inline-block; min-width: 4.5em; color: var(--ink-3); font-size: 12.5px; letter-spacing: 1px; margin-right: 6px; }
.qp-f .miss { color: var(--danger); } .qp-f summary { cursor: pointer; } .qp-f .pre { white-space: pre-wrap; margin-top: 6px; background: #f6f7f4; padding: 10px 12px; border-radius: 6px; }
/* PDF 智能导入 */
.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; list-style: none; padding: 0; margin: 4px 0 30px; counter-reset: f; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.flow li { counter-increment: f; padding: 14px 16px; background: #fbfbf8; border-right: 1px solid var(--line); font-size: 14px; color: var(--ink-3); }
.flow li:last-child { border-right: none; }
.flow li b { display: block; color: var(--ink); font-size: 15.5px; margin-bottom: 2px; } .flow li b::before { content: counter(f); display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: var(--green-800); color: #fff; font-size: 12px; margin-right: 8px; vertical-align: 1px; }
@media (max-width: 1000px) { .flow { grid-template-columns: 1fr 1fr; } .flow li { border-bottom: 1px solid var(--line); } }
#pAud { margin-bottom: 22px; border-top: none; padding-top: 0; }
#dz-pdf { cursor: pointer; padding: 44px 24px; } #dz-pdf .file-row { margin-bottom: 0; }
.fq { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 14px; align-items: center; border: 1px solid var(--line); border-radius: 8px; padding: 12px 16px; margin-bottom: 10px; }
.fq-n { display: flex; gap: 10px; align-items: center; min-width: 0; } .fq-n svg { width: 20px; height: 20px; color: var(--ink-3); flex-shrink: 0; } .fq-n b { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fq-s { grid-column: 1; font-size: 14px; color: var(--ink-2); } .fq-s.err { color: var(--danger); }
.fq .bar { grid-column: 1; margin-top: 4px; max-width: none; } .fq .icon-btn { grid-column: 2; grid-row: 1 / span 2; }
#pGo { margin-top: 8px; }
.job { padding: 18px 0; border-bottom: 1px solid var(--line); } .job:last-child { border-bottom: none; }
.job-top { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 15.5px; } .job-t { margin-left: auto; font-size: 13.5px; }
.job-stage { color: var(--ink-2); font-size: 14.5px; margin-top: 8px; }
.job-meta { color: var(--ink-3); font-size: 14px; margin-top: 6px; }
.job-ops { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; } .job-ops .btn svg { width: 15px; height: 15px; }
.joblog { max-height: 55vh; overflow: auto; font-size: 14px; border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px; background: #fbfbf8; }
.joblog div { padding: 4px 0; border-bottom: 1px dashed var(--line); } .joblog time { color: var(--ink-3); margin-right: 12px; font-variant-numeric: tabular-nums; }
.fig-crop { overflow: hidden; background: #fff; aspect-ratio: 3 / 2; }
.fig-crop img { display: block; max-width: none; height: auto; }
.qp-figlink { font-size: 13px; color: var(--ink-3); margin: -4px 0 10px; display: inline-block; }
/* 课堂状态：有申请离开时高亮整行 */
.table tr.row-alert td { background: #fff6e5; }
/* 预览里的听力音频面板 */
.pv-audio { border-top: 1px solid var(--line); padding: 14px 0 2px; }
.pv-audio-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
/* 预览：跟读题多句 */
.qp-reps { display: flex; flex-direction: column; gap: 8px; }
.qp-rep { display: flex; align-items: center; gap: 10px; }
.qp-rep .n { width: 22px; height: 22px; border-radius: 50%; background: var(--green-50); color: var(--ink-2); font-size: 13px; display: grid; place-items: center; flex-shrink: 0; }
.qp-rep .s { flex: 1; min-width: 0; }