.app-select[data-v-b25a84ee]{position:relative;width:100%;min-width:0}.app-select__button[data-v-b25a84ee]{width:100%;min-height:40px;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:0 12px;border:1px solid var(--color-line-strong, #d5deeb);border-radius:7px;color:var(--color-text, #172033);background:#f8fbff;cursor:pointer;outline:none;text-align:left;transition:border-color var(--transition-base, .18s ease),box-shadow var(--transition-base, .18s ease),background var(--transition-base, .18s ease)}.app-select__button[data-v-b25a84ee]:hover:not(:disabled){border-color:#c3d2e5;background:#fff}.app-select__button[data-v-b25a84ee]:focus-visible,.app-select.is-open .app-select__button[data-v-b25a84ee]{border-color:var(--color-primary, #1f5edc);box-shadow:0 0 0 4px #2563eb1a}.app-select__button[data-v-b25a84ee]:disabled{color:var(--color-text-soft, #8a96ab);background:#f1f5f9;cursor:not-allowed}.app-select__value[data-v-b25a84ee],.app-select__option-label[data-v-b25a84ee]{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.app-select__value.is-placeholder[data-v-b25a84ee]{color:var(--color-text-soft, #8a96ab)}.app-select__icon[data-v-b25a84ee]{width:8px;height:8px;flex:0 0 auto;margin-top:-3px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;color:var(--color-text-muted, #66758f);transform:rotate(45deg);transition:transform var(--transition-base, .18s ease)}.app-select.is-open .app-select__icon[data-v-b25a84ee]{margin-top:3px;transform:rotate(225deg)}.app-select__menu[data-v-b25a84ee]{position:absolute;z-index:50;top:calc(100% + 6px);right:0;left:0;max-height:260px;overflow-y:auto;margin:0;padding:6px;border:1px solid var(--color-line, #e1e7ef);border-radius:8px;background:#fff;box-shadow:0 14px 32px #0f172a1f;list-style:none}.app-select__option[data-v-b25a84ee],.app-select__empty[data-v-b25a84ee]{border-radius:6px;padding:8px 10px;font-size:14px}.app-select__option[data-v-b25a84ee]{display:grid;gap:2px;min-height:36px;color:#1c2736;cursor:pointer}.app-select__option.is-active[data-v-b25a84ee]{background:var(--color-hover, #eef4ff)}.app-select__option.is-selected[data-v-b25a84ee]{color:var(--color-primary, #1f5edc);font-weight:700}.app-select__option.is-disabled[data-v-b25a84ee]{color:var(--color-text-soft, #8a96ab);cursor:not-allowed}.app-select__option.is-disabled.is-active[data-v-b25a84ee]{background:transparent}.app-select__option-description[data-v-b25a84ee]{overflow:hidden;color:var(--color-text-muted, #66758f);font-size:12px;font-weight:400;text-overflow:ellipsis;white-space:nowrap}.app-select__empty[data-v-b25a84ee]{color:var(--color-text-muted, #66758f);text-align:center}.app-select-menu-enter-active[data-v-b25a84ee],.app-select-menu-leave-active[data-v-b25a84ee]{transition:opacity .12s ease,transform .12s ease}.app-select-menu-enter-from[data-v-b25a84ee],.app-select-menu-leave-to[data-v-b25a84ee]{opacity:0;transform:translateY(-4px)}.socrates-avatar[data-v-e11ae244]{display:inline-flex;align-items:center;justify-content:center;overflow:hidden;flex:0 0 auto}.socrates-avatar img[data-v-e11ae244]{width:100%;height:100%;display:block;object-fit:contain}:root{font-family:Inter,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans SC,sans-serif;line-height:1.5;font-weight:400;color:#172033;background:#f3f6fb;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--color-primary: #1f5edc;--color-primary-strong: #174bb0;--color-primary-soft: #eef4ff;--color-text: #172033;--color-text-muted: #66758f;--color-text-soft: #8a96ab;--color-line: #e1e7ef;--color-line-strong: #d5deeb;--color-bg: #f6f8fb;--color-card: #ffffff;--color-field: #ffffff;--color-hover: #eef4ff;--color-success: #1f8f5f;--color-warning: #d18a00;--color-danger: #d14343;--shadow-card: 0 6px 18px rgb(15 23 42 / 4%);--shadow-float: 0 12px 28px rgb(37 99 235 / 10%);--radius-lg: 10px;--radius-md: 8px;--radius-sm: 7px;--transition-base: .18s ease}*,*:before,*:after{box-sizing:border-box}html,body,#app{min-height:100vh}body{margin:0;min-width:320px;color:var(--color-text);background:var(--color-bg)}body,button,input,textarea,select{font:inherit}button{border:0;background:none}a{color:inherit;text-decoration:none}img{max-width:100%}.auth-layout{position:relative;display:grid;min-height:100vh;place-items:center start;padding:clamp(28px,5vw,72px);overflow:hidden;background-color:#eef5fb;background-image:linear-gradient(90deg,#f8fbff85,#f8fbff2e,#f8fbff05 68%),url(/assets/login-hero-background-YHSsXY2Y.png);background-position:center,right center;background-repeat:no-repeat;background-size:100% 100%,cover}.auth-layout:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(180deg,#ffffff05,#0f172a1a);pointer-events:none}.auth-layout__panel{position:absolute;left:clamp(245px,37.5vw,calc(100vw - 245px));top:50%;z-index:1;display:grid;grid-template-columns:1fr;width:min(426px,100%);transform:translate(-50%,-50%);overflow:hidden;border:1px solid rgba(255,255,255,.48);border-radius:var(--radius-lg);background:linear-gradient(135deg,#ffffff94,#ffffff61);box-shadow:0 24px 60px #0f172a2e;-webkit-backdrop-filter:blur(18px) saturate(1.12);backdrop-filter:blur(18px) saturate(1.12)}.auth-layout__brand{padding:28px 30px 16px;border-bottom:1px solid rgba(219,227,239,.58);background:#f8fbff14}.auth-layout__eyebrow,.side-nav__eyebrow{display:inline-flex;margin-bottom:12px;color:var(--color-primary);font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.auth-layout__title,.topbar__title,.app-card__title,.empty-state__title{margin:0}.auth-layout__title{font-size:30px;line-height:1.15}.auth-layout__logo{display:block;width:116px;height:auto;margin:-2px 0 0}.auth-layout__summary,.topbar__subtitle,.app-card__subtitle,.empty-state__description{margin:10px 0 0;color:var(--color-text-muted)}.auth-layout__content{padding:20px 30px 30px}.dashboard-layout{display:grid;grid-template-columns:232px minmax(0,1fr);min-height:100vh}.side-nav{display:flex;flex-direction:column;gap:24px;padding:24px 18px;border-right:1px solid var(--color-line);background:#f8fbff}.side-nav__brand{display:grid;gap:4px;padding:6px 8px 14px;border-bottom:1px solid var(--color-line)}.side-nav__menu{display:grid;gap:6px}.side-nav__link{display:flex;align-items:center;min-height:40px;padding:0 12px;border-radius:10px;color:var(--color-text-muted);transition:color var(--transition-base),background var(--transition-base)}.side-nav__link:hover,.side-nav__link.is-active{color:var(--color-primary-strong);background:var(--color-primary-soft)}.side-nav__footer{margin-top:auto}.dashboard-main{display:grid;grid-template-rows:auto minmax(0,1fr);min-width:0}.topbar{display:flex;align-items:center;justify-content:space-between;min-height:76px;padding:20px 28px 0}.topbar__title{font-size:26px;line-height:1.2}.page-shell{padding:20px 28px 28px}.app-card{border:1px solid var(--color-line);border-radius:var(--radius-lg);background:var(--color-card);box-shadow:var(--shadow-card)}.app-card__header{display:flex;gap:16px;align-items:flex-start;justify-content:space-between;padding:18px 20px 0}.app-card__title{font-size:18px;font-weight:700}.app-card__subtitle{font-size:13px}.app-card__body{padding:20px}.app-button{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:0 14px;border:1px solid transparent;border-radius:10px;transition:background var(--transition-base),border-color var(--transition-base),color var(--transition-base)}.app-button:disabled{opacity:.55;cursor:not-allowed}.app-button--block{width:100%}.app-button--sm{min-height:32px;padding-inline:12px;font-size:13px}.app-button--md{font-size:14px}.app-button--primary{color:#fff;background:var(--color-primary)}.app-button--primary:hover:not(:disabled){background:var(--color-primary-strong)}.app-button--secondary{border-color:var(--color-line-strong);color:var(--color-text);background:#fff}.app-button--secondary:hover:not(:disabled),.app-button--ghost:hover:not(:disabled){background:var(--color-hover)}.app-button--ghost{color:var(--color-primary-strong);background:transparent}.app-button--danger{color:#fff;background:var(--color-danger)}.app-field{width:100%;min-height:40px;padding:0 12px;border:1px solid var(--color-line-strong);border-radius:10px;color:var(--color-text);background:var(--color-field);outline:none;transition:border-color var(--transition-base),box-shadow var(--transition-base)}.app-field:focus{border-color:var(--color-primary);box-shadow:0 0 0 4px #2563eb1a}.app-field::placeholder{color:var(--color-text-soft)}.app-field--textarea{min-height:112px;padding:12px;resize:vertical}.table-wrap{overflow-x:auto}.app-table{width:100%;border-collapse:collapse}.app-table th,.app-table td{padding:13px 12px;border-bottom:1px solid var(--color-line);text-align:left;font-size:14px;vertical-align:middle}.app-table th{color:var(--color-text-muted);font-size:13px;font-weight:600}.app-table__empty{padding:36px 12px;color:var(--color-text-muted);text-align:center}.status-badge{display:inline-flex;align-items:center;min-height:26px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600}.status-badge--neutral{color:var(--color-text-muted);background:#eef2f7}.status-badge--info{color:var(--color-primary-strong);background:var(--color-primary-soft)}.status-badge--success{color:var(--color-success);background:#1f8f5f1f}.status-badge--warning{color:var(--color-warning);background:#d18a001f}.status-badge--danger{color:var(--color-danger);background:#d143431f}.empty-state{display:grid;gap:10px;place-items:center;min-height:260px;padding:32px 20px;border:1px dashed var(--color-line-strong);border-radius:var(--radius-lg);color:var(--color-text-muted);text-align:center;background:#ffffffb8}.empty-state__title{font-size:18px;color:var(--color-text)}.empty-state__description{max-width:420px}.empty-state__actions{display:flex;gap:12px;margin-top:4px}.loading-state{display:inline-flex;gap:10px;align-items:center;color:var(--color-text-muted)}.loading-state__dot{width:10px;height:10px;border-radius:999px;background:var(--color-primary);animation:loading-pulse 1.1s infinite ease-in-out}.toast-stack{position:fixed;top:20px;right:20px;z-index:1000;display:grid;gap:10px;width:min(360px,calc(100vw - 24px))}.toast-item{padding:14px 16px;border:1px solid var(--color-line);border-radius:14px;background:#fffffff5;box-shadow:var(--shadow-card)}.toast-item--success{border-color:#1f8f5f42}.toast-item--error{border-color:#d1434342}.toast-item--warning{border-color:#d18a0042}.toast-item__title{display:block;margin-bottom:4px;font-size:14px}.toast-item__message{margin:0;color:var(--color-text-muted);font-size:13px;line-height:1.5}.error-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(180deg,#f6f8fbf5,#f1f5f9),radial-gradient(circle at 18% 14%,rgb(31 94 220 / 10%),transparent 34%)}.error-card{width:min(100%,720px);overflow:hidden;border:1px solid var(--color-line);border-radius:14px;background:var(--color-card);box-shadow:var(--shadow-float)}.error-brand{display:flex;align-items:center;gap:12px;padding:18px 22px;border-bottom:1px solid var(--color-line);background:#f8fbff}.error-brand__mark{width:38px;height:38px;flex:0 0 auto;padding:3px;border:1px solid rgb(186 230 253 / 72%);border-radius:999px;background:#fff;box-shadow:0 4px 12px #0f172a1a}.error-brand strong,.error-brand em{display:block}.error-brand strong{color:var(--color-text);font-size:16px}.error-brand em{margin-top:2px;color:var(--color-text-muted);font-size:12px;font-style:normal}.error-content{display:grid;justify-items:start;padding:34px 36px 26px}.error-icon{width:52px;height:52px;display:inline-flex;align-items:center;justify-content:center;border-radius:14px;color:var(--color-primary);background:var(--color-primary-soft)}.error-page--warning .error-icon{color:var(--color-warning);background:#d18a001f}.error-page--danger .error-icon{color:var(--color-danger);background:#d143431f}.error-code{margin:22px 0 8px;color:var(--color-primary);font-size:13px;font-weight:800;letter-spacing:.16em}.error-page--warning .error-code{color:var(--color-warning)}.error-page--danger .error-code{color:var(--color-danger)}.error-content h1{margin:0;color:var(--color-text);font-size:clamp(28px,4vw,40px);line-height:1.15}.error-description,.error-detail{max-width:560px;margin:12px 0 0;color:var(--color-text-muted);line-height:1.8}.error-detail{margin-top:8px;font-size:13px}.error-actions{display:flex;flex-wrap:wrap;gap:10px;padding:0 36px 34px}.error-button{min-height:38px;display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:0 15px;border:1px solid var(--color-line-strong);border-radius:8px;color:var(--color-text);background:#fff;font-weight:700;transition:background var(--transition-base),border-color var(--transition-base),color var(--transition-base)}.error-button:hover{border-color:#c7d5e8;background:#f8fafc}.error-button--primary{border-color:var(--color-primary);color:#fff;background:var(--color-primary)}.error-button--primary:hover{border-color:var(--color-primary-strong);background:var(--color-primary-strong)}.teacher-app-shell{min-height:100vh;display:grid;grid-template-columns:224px minmax(0,1fr);background:var(--color-bg)}.teacher-sidebar{min-width:0;min-height:100vh;padding:18px 10px;background:#07182c;color:#c8d3e2}.teacher-brand{min-width:0;display:flex;align-items:center;gap:12px;padding:6px 12px 18px}.teacher-brand .brand-logo{width:38px;height:38px;padding:3px;border:1px solid rgb(186 230 253 / 70%);border-radius:999px;background:#fff;box-shadow:0 4px 12px #0206172e}.teacher-brand span:last-child{display:grid;gap:4px}.teacher-brand strong{color:#fff;font-size:16px}.teacher-brand em{width:fit-content;padding:2px 8px;border-radius:999px;color:#047857;background:#dffbf0;font-size:11px;font-style:normal;font-weight:700}.teacher-sidebar__nav{min-width:0;display:grid;gap:6px}.teacher-sidebar__link{min-height:40px;display:flex;align-items:center;gap:12px;padding:0 14px;border-radius:8px;color:#b7c4d4;font-weight:700}.teacher-sidebar__icon{flex:0 0 auto;opacity:.92}.teacher-sidebar__link:hover,.teacher-sidebar__link.is-active{color:#fff;background:#2d59df}.teacher-main{min-width:0;display:grid;grid-template-rows:52px minmax(0,1fr)}.teacher-topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 18px;border-bottom:1px solid var(--color-line);background:#fff}.teacher-course.app-select{flex:0 0 260px;width:260px;min-width:260px;max-width:260px}.teacher-topbar__actions,.teacher-user{display:flex;align-items:center;gap:12px}.teacher-user span{min-width:0;display:grid;gap:2px;text-align:right}.teacher-user strong{overflow:hidden;color:#1c2736;font-size:13px;text-overflow:ellipsis;white-space:nowrap}.teacher-user em{overflow:hidden;color:var(--color-text-muted);font-size:12px;font-style:normal;text-overflow:ellipsis;white-space:nowrap}.teacher-user b{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;color:#fff;background:var(--color-primary)}.teacher-logout{min-height:32px;padding:0 14px;border:1px solid var(--color-line-strong);border-radius:7px;color:#334155;background:#fff}.teacher-content{min-width:0;overflow:auto}.teacher-app-shell .teacher-shell{min-height:auto;padding:12px 14px;background:var(--color-bg)}.teacher-app-shell .teacher-content .page-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.teacher-app-shell .teacher-content .page-head h1{color:#1c2736;font-size:22px;line-height:1.2}.teacher-app-shell .teacher-content .eyebrow{margin:0 0 3px;color:var(--color-primary);font-size:12px;font-weight:700}.teacher-app-shell .teacher-content .page-head:after{content:"";display:block;width:1px}.teacher-app-shell .toolbar-card,.teacher-app-shell .table-card,.teacher-app-shell .form-card,.teacher-app-shell .stages-card,.teacher-app-shell .control-card,.teacher-app-shell .result-card,.teacher-app-shell .filter-card,.teacher-app-shell .summary-card,.teacher-app-shell .chart-card,.teacher-app-shell .student-panel{border:1px solid var(--color-line);border-radius:8px;background:#fff;box-shadow:var(--shadow-card)}.teacher-app-shell .toolbar-card,.teacher-app-shell .filter-card{margin-top:0;padding:12px}.teacher-app-shell .teacher-content .section-head,.teacher-app-shell .teacher-content .workbench-head{padding:10px 14px;border-bottom:1px solid var(--color-line)}.teacher-app-shell .teacher-content .section-head h2,.teacher-app-shell .teacher-content .workbench-head h2{color:#1c2736;font-size:16px}.teacher-app-shell .data-table th,.teacher-app-shell .data-table td,.teacher-app-shell .app-table th,.teacher-app-shell .app-table td{padding:13px 16px;border-bottom:1px solid var(--color-line);font-size:13px}.teacher-app-shell .data-table th,.teacher-app-shell .app-table th{color:#667384;background:#f8fafc;font-weight:700}.teacher-app-shell input,.teacher-app-shell select,.teacher-app-shell textarea{border-radius:7px}.teacher-app-shell .primary-btn,.teacher-app-shell .upload-btn,.teacher-app-shell .secondary-btn,.teacher-app-shell .danger-btn{min-height:34px;border-radius:7px;font-weight:700}.teacher-app-shell .primary-btn,.teacher-app-shell .upload-btn{border-color:var(--color-primary);color:#fff;background:var(--color-primary)}.teacher-app-shell .secondary-btn{border-color:var(--color-line-strong);color:#334155;background:#fff}.teacher-app-shell .danger-btn{border-color:#fecaca;color:#be123c;background:#fff1f2}.teacher-app-shell .summary-grid,.teacher-app-shell .charts-grid,.teacher-app-shell .test-grid,.teacher-app-shell .page-grid{gap:12px;margin-top:12px}.teacher-app-shell .summary-card{border-radius:8px}@keyframes loading-pulse{0%,to{opacity:.35;transform:scale(.9)}50%{opacity:1;transform:scale(1)}}@media(max-width:960px){.teacher-app-shell{grid-template-columns:1fr}.teacher-sidebar{min-height:auto;padding:14px 12px}.teacher-brand{padding-bottom:14px}.teacher-sidebar__nav{grid-template-columns:repeat(auto-fit,minmax(120px,1fr))}.teacher-main{grid-template-rows:auto minmax(0,1fr)}.teacher-topbar{min-height:auto;align-items:stretch;flex-direction:column;padding:12px}.teacher-course.app-select{flex:0 1 auto;width:100%;min-width:0;max-width:none}.teacher-topbar__actions{justify-content:space-between;width:100%}.teacher-user span{text-align:left}.auth-layout__panel{grid-template-columns:1fr;width:min(390px,100%)}.dashboard-layout{grid-template-columns:1fr}.side-nav{gap:16px;padding:16px;border-right:0;border-bottom:1px solid var(--color-line)}.side-nav__menu{grid-template-columns:repeat(auto-fit,minmax(120px,1fr))}.topbar,.page-shell{padding-inline:16px}}@media(max-width:760px){.auth-layout{place-items:center;padding:12px;background-image:linear-gradient(180deg,#f8fbffa3,#f8fbff6b),url(/assets/login-hero-background-YHSsXY2Y.png);background-position:center,72% center;background-size:100% 100%,cover}.auth-layout__panel{position:relative;left:auto;top:auto;width:min(426px,100%);transform:none}.auth-layout__brand,.auth-layout__content,.error-content{padding:24px 20px}.error-brand{padding:16px 20px}.error-actions{padding:0 20px 24px}.auth-layout__title{font-size:28px}.teacher-sidebar{padding:10px;overflow:hidden}.teacher-brand{padding:4px 6px 10px}.teacher-sidebar__nav{display:flex;gap:8px;max-width:100%;overflow-x:auto;padding-bottom:2px;-webkit-overflow-scrolling:touch}.teacher-sidebar__link{flex:0 0 auto;min-width:max-content;min-height:36px;padding:0 11px;white-space:nowrap}.teacher-topbar{gap:10px;padding:10px}.teacher-topbar__actions{gap:8px}.teacher-user em{display:none}.teacher-app-shell .teacher-shell{padding:10px}.teacher-app-shell .teacher-content .page-head{align-items:flex-start;flex-direction:column}.teacher-app-shell .teacher-content .page-head h1{font-size:20px}.teacher-app-shell .toolbar-card,.teacher-app-shell .filter-card{padding:10px}.teacher-app-shell .summary-grid,.teacher-app-shell .charts-grid,.teacher-app-shell .test-grid,.teacher-app-shell .page-grid{grid-template-columns:1fr}.teacher-app-shell .table-card,.teacher-app-shell .chart-card,.teacher-app-shell .summary-card,.teacher-app-shell .form-card,.teacher-app-shell .stages-card,.teacher-app-shell .control-card,.teacher-app-shell .result-card,.teacher-app-shell .student-panel{box-shadow:none}.teacher-app-shell .data-table,.teacher-app-shell .app-table{min-width:680px}}@media(max-width:520px){.teacher-brand strong{font-size:15px}.teacher-brand .brand-logo,.teacher-user b{width:32px;height:32px}.teacher-logout{padding:0 10px}.teacher-app-shell .teacher-content .section-head,.teacher-app-shell .teacher-content .workbench-head{padding:9px 10px}.teacher-app-shell .data-table th,.teacher-app-shell .data-table td,.teacher-app-shell .app-table th,.teacher-app-shell .app-table td{padding:10px 12px}}
