:root { --green: #2d6a4f; --muted: #63766b; --border: #dce9df; }
* { box-sizing: border-box; }
body { margin: 0; color: #243c2e; background: radial-gradient(circle at 10% 20%, #d8f1e6, #f0f9ff 90%); min-height: 100vh; font: 16px/1.6 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif; }
small { font-size: 14px; }
button, input, select { font: inherit; }
textarea { font: inherit; }
a { color: var(--green); }
button, a, select { touch-action: manipulation; }
button { cursor: pointer; }
button:disabled { opacity: .5; cursor: not-allowed; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible { outline: 3px solid #52b788; outline-offset: 3px; }
.app-nav { max-width: 1264px; margin: auto; padding: 26px 32px; display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.brand { font-size: 21px; font-weight: 700; text-decoration: none; }
.app-nav nav { display: flex; gap: 24px; }
.app-nav nav { align-items: center; flex-wrap: wrap; }
.app-nav nav a { text-decoration: none; }
.app-nav nav form { margin: 0; }
.nav-button { padding: 0; border: 0; color: var(--green); background: transparent; }
.page { max-width: 1200px; margin: 20px auto; padding: 0 32px 50px; }
h1 { color: var(--green); font-size: 30px; margin-bottom: 8px; }
h1, h2, .pill, .record-options span, .session { overflow-wrap: anywhere; }
h2 { color: var(--green); margin-top: 0; }
.muted { color: var(--muted); font-size: 14px; line-height: 1.7; }
.panel { padding: 28px; border: 1px solid white; border-radius: 24px; background: rgba(255,255,255,.87); box-shadow: 0 14px 40px #284c3710; }
.page-head, .toolbar { display: flex; justify-content: space-between; gap: 20px; align-items: end; flex-wrap: wrap; margin-bottom: 24px; }
.head-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: flex-end; margin-top: 20px; }
.field { display: grid; gap: 8px; margin: 16px 0; font-weight: 600; }
.field input, .field select { width: 100%; min-width: 0; padding: 12px; border: 1px solid #cedbd3; border-radius: 12px; background: white; color: #243c2e; }
.field input:disabled { background: #f1f4f2; }
.button { min-height: 44px; border: 1px solid #cedbd3; border-radius: 12px; padding: 10px 18px; background: white; color: var(--green); font-weight: 600; text-decoration: none; display: inline-flex; justify-content: center; align-items: center; }
.button.primary { background: linear-gradient(135deg,#52b788,#2d6a4f); color: white; border: 0; }
.button.danger { color: #9f2f2f; border-color: #e3aaaa; background: #fff5f5; }
.text-button { border: 0; background: transparent; color: var(--green); padding: 10px 0; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; text-align: left; }
th, td { padding: 16px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); background: #f5f9f6; font-size: 14px; }
dialog { width: min(550px, calc(100% - 32px)); max-height: calc(100vh - 40px); overflow: auto; border: 0; border-radius: 24px; padding: 32px; color: #243c2e; box-shadow: 0 24px 70px #0003; }
dialog::backdrop { background: #163c305e; backdrop-filter: blur(4px); }
.error { color: #ad3434; line-height: 1.6; }
.notice { padding: 16px; background: #edf8f1; border-radius: 12px; line-height: 1.6; }
.notice, .identity-strip { overflow-wrap: anywhere; }
.question-list { display: grid; gap: 18px; }
.question-card { --state: var(--muted); --state-bg: #f5f7f6; padding: 22px; border: 1px solid var(--border); border-left: 7px solid var(--state); border-radius: 18px; background: var(--state-bg); }
.question-card.correct { --state: #24895f; --state-bg: #f1fbf6; }
.question-card.wrong { --state: #c33f3f; --state-bg: #fff5f5; }
.question-card h2 { font-size: 19px; line-height: 1.6; margin: 0; }
.question-card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.result-badge { flex: 0 0 auto; color: var(--state); border: 1px solid currentColor; border-radius: 999px; padding: 5px 10px; font-weight: 800; }
.question-meta { color: var(--muted); margin: 8px 0; }
.knowledge-tags { display: flex; gap: 7px; flex-wrap: wrap; margin: 10px 0 16px; }
.knowledge-tags span { color: var(--muted); background: #fff; border: 1px solid var(--border); border-radius: 999px; padding: 3px 9px; font-size: 14px; }
.record-options { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.record-options .option { padding: 12px; border-radius: 10px; background: #fff; border: 1px solid transparent; }
.record-options .option.correct-option { color: #176943; border-color: #52b788; background: #eaf8f0; }
.record-options .option.student-wrong { color: #9f2f2f; border-color: #e68686; background: #ffebeb; }
.record-options .option small { display: block; margin: 4px 0 0 25px; font-weight: 700; }
.answer-line { display: flex; gap: 26px; flex-wrap: wrap; margin-top: 16px; }
.explanation { color: var(--muted); line-height: 1.7; }
.result-label { color: var(--green); font-weight: 700; }
.result-label.bad { color: #ad3434; }
.result-label.unanswered { color: var(--muted); }
.auth-panel { width: min(520px, 100%); margin: 8vh auto 0; }
.form-error { color: #9f2f2f; background: #fff0f0; border: 1px solid #efb4b4; border-radius: 12px; padding: 12px 14px; }
.stack-form { display: grid; gap: 4px; }
.draft-page-heading { align-items: flex-start; margin-bottom: 18px; }
.draft-page-heading h1 { margin: 4px 0 6px; }
.draft-editor { padding-bottom: 96px; }
.draft-section-nav { display: flex; flex-wrap: wrap; gap: 10px 22px; position: sticky; top: 0; z-index: 5; padding: 10px 0; margin-bottom: 18px; background: rgba(240,249,255,.96); border-bottom: 1px solid var(--border); }
.draft-section-nav a { color: var(--muted); font-size: 14px; font-weight: 700; text-decoration: none; }
.draft-section-nav a:hover, .draft-section-nav a:focus-visible { color: var(--green); }
.draft-section { padding: 22px; margin: 0 0 18px; scroll-margin-top: 58px; }
.draft-section-head { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 18px; }
.draft-section-head h2 { margin: 0; font-size: 20px; }
.draft-section-head p { margin: 4px 0 0; color: var(--muted); font-size: 14px; }
.draft-step { display: grid; place-items: center; flex: 0 0 32px; height: 32px; border-radius: 9px; background: #edf8f1; color: var(--green); font-weight: 700; }
.draft-basics-grid { display: grid; grid-template-columns: 1.6fr 1fr; align-items: start; gap: 20px; }
.draft-section .field input, .draft-section .field select { min-height: 50px; }
.draft-savebar { position: fixed; z-index: 25; left: 244px; right: 0; bottom: 0; display: flex; align-items: center; justify-content: space-between; gap: 18px; min-height: 78px; padding: 14px 32px; background: rgba(255,255,255,.96); border-top: 1px solid var(--border); box-shadow: 0 -8px 24px #284c3710; }
.draft-save-info { min-width: 0; display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 16px; }
.draft-save-info > strong { color: var(--green); }
.draft-save-actions { display: flex; gap: 8px; flex: 0 0 auto; }
.draft-save-warning { width: 100%; margin: 0; }
.detail-meta { color: var(--muted); font-size: 14px; overflow-wrap: anywhere; }
.detail-grid { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 20px; align-items: start; }
.detail-main { min-width: 0; }
.detail-aside { display: grid; gap: 18px; }
.detail-aside .panel { padding: 22px; }
.detail-aside h2 { font-size: 19px; }
.detail-info { display: grid; gap: 15px; margin: 0; }
.detail-info div { display: grid; gap: 3px; }
.detail-info dt { color: var(--muted); font-size: 14px; }
.detail-info dd { margin: 0; overflow-wrap: anywhere; }
.detail-description { margin: 0; color: var(--muted); white-space: pre-wrap; overflow-wrap: anywhere; }
.stack-form textarea { width: 100%; min-height: 110px; resize: vertical; padding: 12px; border: 1px solid #cedbd3; border-radius: 12px; }
.stack-form > .field input, .stack-form > .field select { min-height: 50px; }
.stack-form fieldset { min-width: 0; margin: 16px 0; padding: 16px; border: 1px solid var(--border); border-radius: 16px; display: grid; gap: 10px; }
.mode-cards { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.mode-card { display: flex; align-items: flex-start; gap: 10px; padding: 15px; border: 2px solid var(--border); border-radius: 14px; background: white; cursor: pointer; }
.mode-card:has(input:checked) { border-color: var(--green); background: #edf8f1; box-shadow: 0 0 0 3px #2d6a4f16; }
.mode-card input { margin-top: 3px; }
.mode-card span, .mode-card small { display: block; }
.mode-card small { margin-top: 4px; color: var(--muted); line-height: 1.45; }
.target-student-panel { display: grid; gap: 8px; padding-top: 6px; }
.target-student-panel[hidden] { display: none; }
.target-search-row { display: flex; align-items: end; justify-content: space-between; gap: 16px; }
.target-search-row .field { flex: 1; margin: 0; }
.target-search-row > strong { flex: 0 0 auto; padding-bottom: 11px; color: var(--green); }
.check-grid [hidden] { display: none; }
.manual-question-panel, .random-question-panel { display: grid; gap: 10px; }
.manual-question-panel[hidden], .random-question-panel[hidden] { display: none; }
.knowledge-filter { display: grid; gap: 9px; padding: 14px; border: 1px solid var(--border); border-radius: 14px; background: #f8fbf9; }
.knowledge-filter p { margin: 0 0 4px; }
.knowledge-filter details { padding: 9px 11px; border-radius: 10px; background: white; }
.knowledge-filter summary { cursor: pointer; font-weight: 700; }
.knowledge-points { display: flex; flex-wrap: wrap; gap: 10px 18px; padding: 11px 0 2px 25px; }
.question-basket-panel { padding: 16px; border: 1px solid var(--border); border-radius: 16px; background: #f8fbf9; }
.question-basket-head, .question-preview-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.question-basket-head h2, .question-preview-head h2 { margin: 0; }
.question-basket-head > strong { color: var(--green); }
.question-basket { display: grid; gap: 9px; margin: 12px 0 0; padding: 0; list-style: none; }
.question-basket-item { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 12px; align-items: center; padding: 12px; border: 1px solid var(--border); border-radius: 12px; background: white; }
.question-basket-item[draggable="true"] { cursor: grab; }
.question-basket-item.dragging { opacity: .55; }
.question-basket-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 6px; }
.question-basket-actions button { min-height: 36px; padding: 6px 9px; }
.question-preview-head { margin-bottom: 18px; }
.publish-dialog-actions { position: sticky; bottom: -1px; padding-top: 14px; background: rgba(255,255,255,.98); border-top: 1px solid var(--border); }
.random-generation-controls { display: grid; grid-template-columns: minmax(120px,180px) auto minmax(180px,1fr); gap: 12px; align-items: end; }
.random-generation-controls .field { margin: 0; }
.random-generation-controls > span { align-self: center; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.check-grid, .question-picker { display: grid; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); gap: 8px; }
.question-picker { max-height: 340px; overflow-y: auto; padding: 12px; border: 1px solid var(--border); border-radius: 12px; }
.question-picker [data-question-candidate] { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-width: 0; }
.question-picker [data-question-candidate] label { min-width: 0; overflow-wrap: anywhere; }
.question-picker [data-question-candidate] .button { flex: 0 0 auto; padding: 7px 10px; }
.credential-box { margin: 18px 0; padding: 18px; border-radius: 16px; background: #fff9db; border: 1px solid #ead37c; }
.credential-box code { display: inline-block; padding: 5px 8px; border-radius: 6px; background: white; overflow-wrap: anywhere; }
.account-list, .assignment-list-head, .voided-assignments { margin-top: 22px; }
.account-row { display: grid; grid-template-columns: minmax(180px,1fr) minmax(260px,2fr) auto auto; gap: 14px; align-items: center; padding: 16px 0; border-bottom: 1px solid var(--border); }
.account-row small { display: block; margin-top: 6px; color: var(--muted); }
.account-row form { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.assignment-cards, .assignment-questions { display: grid; gap: 18px; margin-top: 20px; }
.assignment-cards { grid-template-columns: repeat(auto-fit,minmax(260px,1fr)); }
.assignment-card { min-width: 0; border-left: 6px solid var(--assignment-accent,var(--border)); background: var(--assignment-background,#fff); }
.assignment-state-draft { --assignment-accent: #7a8580; --assignment-background: #f7f9f8; }
.assignment-state-published { --assignment-accent: #2867b2; --assignment-background: #f2f7fd; }
.assignment-state-closed { --assignment-accent: #374151; --assignment-background: #f1f3f5; }
.assignment-state-void { --assignment-accent: #b33a34; --assignment-background: #fff3f2; }
.assignment-card:focus-within { box-shadow: 0 0 0 3px #2d6a4f20; }
.status-badge { display: inline-flex; padding: 5px 10px; border-radius: 999px; background: #edf5ef; color: var(--green); font-size: 14px; font-weight: 700; }
.status-badge.overdue, .status-badge.late, .status-badge.void { color: #9f2f2f; background: #fff0f0; }
.status-badge.draft { color: #56615c; background: #e8ecea; }
.status-badge.published { color: #1f5797; background: #e4effc; }
.status-badge.closed { color: #374151; background: #e1e5e9; }
.voided-card-list { display: grid; gap: 12px; }
.voided-card-list .assignment-card { padding: 16px; border-radius: 14px; }
.voided-card-list h3 { margin: 10px 0 6px; }
.voided-card-list p { margin: 0; }
.status-badge.correct { color: #176943; background: #eaf8f0; }
.status-badge.wrong { color: #9f2f2f; background: #fff0f0; }
.status-badge.unanswered { color: #53665a; background: #eef2ef; }
.response-question-group th { color: #294c39; background: #edf5ef; text-align: left; }
.assignment-options { display: grid; gap: 10px; }
.assignment-options label, .assignment-options .option { padding: 13px; border: 1px solid var(--border); border-radius: 12px; background: white; }
.assignment-options .correct-option { border-color: #52b788; background: #eaf8f0; }
.assignment-options .student-wrong { border-color: #e68686; background: #ffebeb; }
.table-scroll { max-width: 100%; overflow-x: auto; }
.danger-actions { display: grid; align-items: start; gap: 12px; margin-top: 20px; }
.danger-actions form[action$="/void"] { display: flex; align-items: center; gap: 12px; min-width: 0; }
.danger-actions form[action$="/void"] .field { display: flex; align-items: center; gap: 10px; min-width: 0; margin: 0; white-space: nowrap; }
.danger-actions form[action$="/void"] input { width: clamp(120px, 30vw, 280px); }
.class-grid, .student-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }
.class-card, .student-card { padding: 24px; border-radius: 22px; background: #ffffffdf; border: 1px solid white; text-decoration: none; color: #243c2e; }
.class-card:hover, .student-card:hover { box-shadow: 0 10px 28px #2d6a4f20; }
.student-card h2 { font-size: 21px; }
.pill { display: inline-block; padding: 4px 10px; border-radius: 20px; background: #edf5ef; color: var(--green); font-size: 14px; font-weight: 400; }
.breadcrumbs { margin-bottom: 24px; color: var(--muted); }
.tabs { display: flex; flex-wrap: wrap; gap: 26px; padding-bottom: 16px; margin-bottom: 24px; border-bottom: 1px solid var(--border); }
.date-filter { display: grid; grid-template-columns: minmax(125px, auto) repeat(2, 165px) auto; gap: 10px; align-items: end; margin-bottom: 12px; padding: 10px 14px; border-radius: 16px; }
.date-filter .field, .date-filter .actions { margin: 0; }
.date-filter .field { gap: 4px; font-size: 14px; }
.date-filter .field input { min-height: 38px; padding: 7px 10px; }
.date-filter .button { min-height: 38px; padding: 7px 13px; }
.date-scope-label { display: grid; gap: 2px; align-self: center; }
.metrics.class-metrics { grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 8px; margin: 12px 0 18px; }
.class-metrics .metric { padding: 12px 14px; border-radius: 14px; }
.class-metrics .metric span { margin-bottom: 6px; font-size: 14px; white-space: nowrap; }
.class-metrics .metric strong { font-size: 22px; }
.ranking-panel { margin-bottom: 24px; }
.ranking-table td { font-variant-numeric: tabular-nums; }
.ranking-table td:first-child strong { color: var(--green); font-size: 20px; }
.accumulating-list { margin-top: 24px; }
.student-list-heading { margin-top: 30px; }
.metrics { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; margin: 24px 0; }
.metric { background: white; padding: 20px; border: 1px solid var(--border); border-radius: 18px; text-decoration: none; color: inherit; }
.metric.actionable { cursor: pointer; box-shadow: 0 8px 20px #284c3710; }
.metric.actionable:hover { transform: translateY(-2px); }
.metric.actionable.correct { border-color: #a8dbc1; }
.metric.actionable.wrong { border-color: #edb3b3; }
.metric.actionable.wrong strong { color: #ad3434; }
.metric span { display: block; color: var(--muted); font-size: 14px; margin-bottom: 10px; }
.metric strong { display: block; color: var(--green); font-size: 28px; font-variant-numeric: tabular-nums; }
.metric small { font-size: 14px; font-weight: 400; margin-left: 5px; }
.assignment-result-metrics { grid-template-columns: repeat(6,minmax(0,1fr)); gap: 8px; }
.assignment-result-metrics .metric { padding: 13px; border-radius: 14px; }
.assignment-result-metrics .metric strong { font-size: 22px; }
.assignment-result-metrics button.metric { width: 100%; text-align: left; font: inherit; }
.session-list { display: grid; gap: 14px; margin-top: 24px; }
.session { border: 1px solid var(--border); border-radius: 18px; background: white; overflow: hidden; }
.session summary { padding: 20px; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.session summary small { display: block; margin-top: 10px; color: var(--muted); }
.session-content { padding: 0 22px 12px; }
.pagination { display: flex; align-items: center; justify-content: center; gap: 16px; margin: 24px 0; }
.analytics-charts { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin: 24px 0; }
.chart-panel { min-width: 0; }
.chart-title { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; margin-bottom: 16px; }
.chart-title h2 { margin: 4px 0; font-size: 20px; }
.eyebrow { color: var(--green); font-size: 14px; font-weight: 800; letter-spacing: .05em; }
.analytics-chart { min-height: 225px; }
.analytics-chart svg { display: block; width: 100%; height: 225px; overflow: hidden; }
.chart-grid { stroke: #dce9df; stroke-width: 1; }
.chart-axis { fill: var(--muted); font-size: 14px; }
.trend-line { fill: none; stroke: #2d8a63; stroke-width: 4; stroke-linecap: round; stroke-linejoin: round; }
.trend-dot { fill: white; stroke: #2d8a63; stroke-width: 4; }
.chart-value { fill: #1d6348; font-size: 14px; font-weight: 800; }
.bar-correct { fill: #31a778; }
.bar-wrong { fill: #d94a4a; }
.bar-unanswered { fill: #bdc9c2; }
.chart-legend { display: flex; gap: 12px; flex-wrap: wrap; font-size: 14px; }
.chart-legend span::before { content: ''; display: inline-block; width: 9px; height: 9px; border-radius: 2px; margin-right: 5px; background: currentColor; }
.chart-legend .correct { color: #24895f; }
.chart-legend .wrong { color: #c33f3f; }
.chart-legend .unanswered { color: #76877e; }
.chart-empty { min-height: 180px; display: grid; place-items: center; color: var(--muted); text-align: center; }
.sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important; }
.practice-overview { margin-top: 24px; }
.practice-table td { font-variant-numeric: tabular-nums; }
.weak-dashboard { display: grid; grid-template-columns: minmax(260px,.9fr) minmax(340px,1.4fr); gap: 28px; align-items: center; margin-bottom: 24px; }
.weak-dashboard h2 { margin: 5px 0; }
.weak-top, .weakness-list { display: grid; }
.weak-row { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 16px; padding: 14px 4px; border-bottom: 1px solid var(--border); color: inherit; text-decoration: none; }
.weakness-list .weak-row { grid-template-columns: 36px 1fr auto; padding: 17px 4px; }
.weak-row:last-child { border-bottom: 0; }
.weak-row span { display: grid; gap: 5px; }
.weak-row small { color: var(--muted); }
.weak-row em { color: #ad3434; font-size: 18px; font-style: normal; font-weight: 800; font-variant-numeric: tabular-nums; }
.weak-row:hover b { text-decoration: underline; }
@media (max-width: 900px) { .analytics-charts { grid-template-columns: 1fr; } }
@media (max-width: 760px) { .weak-dashboard { grid-template-columns: 1fr; } }
@media (max-width: 900px) { .date-filter { grid-template-columns: 1fr 1fr; } .date-scope-label, .date-filter .actions { grid-column: 1 / -1; } }
@media (max-width: 860px) { .metrics.class-metrics { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (max-width: 980px) { .assignment-result-metrics { grid-template-columns: repeat(4,minmax(0,1fr)); } .account-row { grid-template-columns: 1fr; align-items: stretch; } }
@media (max-width: 760px) { .metrics { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 600px) { .practice-table thead { display: none; } .practice-table, .practice-table tbody, .practice-table tr, .practice-table td { display: block; width: 100%; } .practice-table tr { padding: 15px 0; border-bottom: 1px solid var(--border); } .practice-table td { display: flex; justify-content: space-between; gap: 18px; padding: 7px 4px; border: 0; text-align: right; } .practice-table td::before { content: attr(data-label); color: var(--muted); font-weight: 700; text-align: left; } }
@media (max-width: 700px) { .ranking-table thead { display: none; } .ranking-table, .ranking-table tbody, .ranking-table tr, .ranking-table td { display: block; width: 100%; } .ranking-table tr { padding: 14px 0; border-bottom: 1px solid var(--border); } .ranking-table td { display: flex; justify-content: space-between; gap: 18px; padding: 7px 4px; border: 0; text-align: right; } .ranking-table td::before { content: attr(data-label); color: var(--muted); font-weight: 700; text-align: left; } }
@media (max-width: 460px) { .metrics { grid-template-columns: repeat(2, 1fr); } .metric { padding: 15px; } .record-options { grid-template-columns: 1fr; } .question-card-head { display: grid; } .result-badge { justify-self: start; } .app-nav nav { width: 100%; gap: 18px; } }
@media (max-width: 520px) { .metrics.class-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .assignment-result-metrics { grid-template-columns: repeat(2,minmax(0,1fr)); } .form-grid { grid-template-columns: 1fr; } .assignment-cards { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .mode-cards { grid-template-columns: 1fr; } .target-search-row { align-items: stretch; flex-direction: column; } .target-search-row > strong { padding-bottom: 0; } }
@media (max-width: 520px) { .question-basket-item { grid-template-columns: 1fr; } .question-basket-actions { justify-content: flex-start; } }
@media (max-width: 760px) { .draft-savebar { left: 0; padding: 12px 16px; } .draft-section { padding: 18px; } .draft-basics-grid { grid-template-columns: 1fr; gap: 0; } .draft-editor { padding-bottom: 126px; } }
@media (min-width: 761px) and (max-width: 1100px) { .draft-savebar { left: 226px; padding-inline: 24px; } }
@media (max-width: 1100px) { .detail-grid { grid-template-columns: 1fr; } .detail-aside { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 600px) { .detail-aside { grid-template-columns: 1fr; } }
@media (max-width: 620px) { .random-generation-controls { grid-template-columns: 1fr; align-items: stretch; } }
@media (max-width: 460px) { .date-filter { grid-template-columns: 1fr; } .date-scope-label, .date-filter .actions { grid-column: auto; } }
@media (max-width: 600px) { .page { padding: 0 16px 32px; } .app-nav { padding: 20px 16px; } .panel { padding: 18px; } dialog { padding: 24px; } h1 { font-size: 26px; } .actions .button { flex: 1; } }