@import"https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;600&display=swap";:root{--color-primary: #B93337;--color-primary-hover: #9b262a;--color-accent: #FEC46F;--color-accent-hover: #f5b548;--color-brand-cream: #F9DBAC;--cae-red: var(--color-primary);--cae-orange: var(--color-primary);--color-bg-page: #FAF9F6;--color-bg-card: #FFFFFF;--color-bg-sidebar: #F4F1EC;--color-bg-highlight: rgba(185, 51, 55, .06);--color-bg-hover: rgba(0, 0, 0, .03);--color-text-primary: #1E0804;--color-text-secondary:#5C4033;--color-text-muted: #9E7B6F;--color-text-inverse: #FFFFFF;--color-status-pass: #16A34A;--color-status-wait: #D97706;--color-status-fail: #DC2626;--color-status-lock: #94A3B8;--color-border: #E8DDD5;--color-border-focus: var(--color-primary);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--shadow-sm: 0 1px 3px rgba(30,8,4,.08);--shadow-md: 0 4px 16px rgba(30,8,4,.1);--shadow-lg: 0 8px 32px rgba(30,8,4,.12);--font-sans: "Be Vietnam Pro", "Inter", sans-serif;--font-heading:"Be Vietnam Pro", "Playfair Display", serif;--transition-fast: .15s ease;--transition-base: .25s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}body{font-family:var(--font-sans);background-color:var(--color-bg-page);color:var(--color-text-primary);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;line-height:1.3;color:var(--color-text-primary)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.font-hanzi{font-family:"Noto Serif SC",Songti SC,STSong,"??",serif;letter-spacing:.05em}.font-pinyin{font-family:Be Vietnam Pro,monospace;letter-spacing:.03em}._toggle_10mad_1{display:flex;align-items:center;gap:4px;background:var(--color-bg-sidebar);border:1px solid var(--color-border);border-radius:var(--radius-full);padding:6px 14px;font-size:13px;font-weight:600;cursor:pointer;transition:all var(--transition-fast);color:var(--color-text-secondary)}._toggle_10mad_1:hover{border-color:var(--color-primary)}._active_10mad_18{color:var(--color-primary)}._inactive_10mad_19{color:var(--color-text-muted)}._sep_10mad_20{color:var(--color-border)}._badge_1xze8_1{display:inline-flex;align-items:center;padding:2px 10px;border-radius:var(--radius-full);font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase}._pass_1xze8_11{background:#dcfce7;color:var(--color-status-pass)}._wait_1xze8_12{background:#fef3c7;color:var(--color-status-wait)}._fail_1xze8_13{background:#fee2e2;color:var(--color-status-fail)}._active_1xze8_14{background:#b933371a;color:var(--color-primary)}._lock_1xze8_15{background:#f1f5f9;color:var(--color-status-lock)}._sidebar_1r130_1{width:300px;background:var(--color-bg-card);border-right:1px solid var(--color-border);display:flex;flex-direction:column;height:100%;box-shadow:1px 0 10px #00000005;z-index:10}._brand_1r130_12{padding:24px;display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--color-border);flex-shrink:0}._logo_1r130_21{width:48px;height:48px;object-fit:contain;border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);transition:transform var(--transition-base)}._brand_1r130_12:hover ._logo_1r130_21{transform:scale(1.05)}._brandTitle_1r130_34{font-size:1.125rem;font-weight:800;color:var(--color-primary);line-height:1.2;letter-spacing:-.01em}._brandSub_1r130_42{font-size:.875rem;color:var(--color-text-secondary);font-weight:500}._nav_1r130_48{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px}._weekBtn_1r130_57{width:100%;display:flex;align-items:center;gap:8px;padding:12px 16px;background:transparent;border:1px solid transparent;border-radius:var(--radius-md);font-weight:600;color:var(--color-text-primary);cursor:pointer;transition:all var(--transition-fast)}._weekBtn_1r130_57:hover{background:var(--color-bg-page)}._weekBtnActive_1r130_76{background:var(--color-bg-highlight);color:var(--color-primary);border-color:#b933371a}._dayList_1r130_82{margin-top:8px;margin-left:16px;padding-left:12px;border-left:2px solid var(--color-border);display:flex;flex-direction:column;gap:6px}._dayBtn_1r130_92{width:100%;text-align:left;padding:8px 12px;background:transparent;border:none;border-radius:var(--radius-sm);font-weight:500;color:var(--color-text-secondary);cursor:pointer;transition:all var(--transition-fast);position:relative}._dayBtn_1r130_92:hover{background:var(--color-bg-page);color:var(--color-text-primary)}._dayBtnActive_1r130_111{color:var(--color-primary);background:var(--color-bg-highlight);font-weight:600}._dayBtnActive_1r130_111:before{content:"";position:absolute;left:-14px;top:50%;transform:translateY(-50%);width:4px;height:60%;background:var(--color-primary);border-radius:0 4px 4px 0}._lessonList_1r130_129{margin-top:4px;margin-left:12px;display:flex;flex-direction:column;gap:4px}._lessonBtn_1r130_137{width:100%;display:flex;align-items:center;gap:8px;padding:8px 12px;background:transparent;border:1px solid transparent;border-radius:var(--radius-sm);cursor:pointer;text-align:left;transition:all var(--transition-fast)}._lessonBtn_1r130_137:hover:not(:disabled){background:var(--color-bg-page)}._lessonBtnActive_1r130_155{background:var(--color-bg-card);border-color:#b9333733;box-shadow:var(--shadow-sm);color:var(--color-primary)}._lessonBtnLocked_1r130_162{opacity:.5;cursor:not-allowed}._lessonIcon_1r130_167{color:var(--color-text-muted);display:flex;transition:color var(--transition-fast)}._lessonBtnActive_1r130_155 ._lessonIcon_1r130_167{color:var(--color-primary)}._lessonName_1r130_177{flex:1;font-size:.875rem;color:inherit;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}._toolsMenu_1r130_187{padding:16px;border-top:1px solid var(--color-border);background:var(--color-bg-card);flex-shrink:0;display:flex;flex-direction:column;gap:8px}._toolsHeader_1r130_197{font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);font-weight:700;margin-bottom:4px;padding-left:12px}._toolBtn_1r130_207{width:100%;display:flex;align-items:center;gap:12px;padding:12px;background:transparent;border:none;border-radius:var(--radius-md);font-weight:600;color:var(--color-text-secondary);cursor:pointer;transition:all var(--transition-fast)}._toolBtn_1r130_207:hover{background:var(--color-bg-page);color:var(--color-text-primary);transform:translate(4px)}._toolBtnActive_1r130_228{background:var(--color-primary);color:var(--color-text-inverse);box-shadow:0 4px 12px #b9333733}._toolBtnActive_1r130_228:hover{background:var(--color-primary-hover);color:var(--color-text-inverse);transform:translateY(-1px)}._primaryActions_1r130_240{padding:0 16px 16px;margin-bottom:8px;border-bottom:1px solid var(--color-border)}._pinyinBtnTop_1r130_246{background:var(--color-bg-highlight);color:var(--color-primary);font-weight:700;border:1px solid rgba(185,51,55,.2);justify-content:center}._pinyinBtnTop_1r130_246:hover{background:#b933371a;transform:translateY(-1px);box-shadow:0 2px 8px #b9333726}._weeklyExtras_1r130_260{padding:8px 16px;margin-top:8px;border-top:1px dashed var(--color-border)}._extraBtn_1r130_266{width:100%;display:flex;align-items:center;gap:12px;color:var(--color-text-secondary);font-size:.9rem;font-weight:500;padding:10px;background:transparent;border:none;cursor:pointer;border-radius:var(--radius-sm);transition:all var(--transition-fast)}._extraBtn_1r130_266:hover{background:var(--color-bg-page);color:var(--color-primary)}._extraIcon_1r130_287{color:var(--color-text-muted);transition:color var(--transition-fast)}._extraBtn_1r130_266:hover ._extraIcon_1r130_287{color:var(--color-primary)}._toolsDivider_1r130_297{height:1px;background:var(--color-border);margin:12px 0}._logoutBtn_1r130_303{color:var(--color-danger)}._logoutBtn_1r130_303:hover{background:#ef44441a;color:var(--color-danger)}._disabledBtn_1r130_312{opacity:.5;cursor:not-allowed}._disabledBtn_1r130_312:hover{background:transparent!important}._videoContainer_1vfwz_1{position:relative;width:100%;height:100%;background-color:var(--color-background-elevated);border-radius:var(--radius-2xl);overflow:hidden;display:flex;align-items:center;justify-content:center}._videoElement_1vfwz_13{width:100%;height:100%;object-fit:contain}._controlsOverlay_1vfwz_19{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;justify-content:flex-end;background:linear-gradient(transparent 60%,#000000b3);opacity:0;transition:opacity .3s ease;padding:var(--spacing-4);z-index:10}._videoContainer_1vfwz_1:hover ._controlsOverlay_1vfwz_19,._controlsOverlay_1vfwz_19._active_1vfwz_33{opacity:1}._centerPlayBtn_1vfwz_38{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#00000080;border:none;border-radius:50%;width:64px;height:64px;display:flex;align-items:center;justify-content:center;color:#fff;cursor:pointer;transition:all .2s ease;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}._centerPlayBtn_1vfwz_38:hover{background:#fff3;transform:translate(-50%,-50%) scale(1.1)}._progressContainer_1vfwz_64{width:100%;height:6px;background:#ffffff4d;border-radius:3px;cursor:pointer;position:relative;margin-bottom:var(--spacing-3);transition:height .1s ease}._progressContainer_1vfwz_64:hover{height:8px}._progressFilled_1vfwz_79{height:100%;background:var(--color-primary);border-radius:3px;position:relative}._progressThumb_1vfwz_86{position:absolute;right:-6px;top:50%;transform:translateY(-50%) scale(0);width:12px;height:12px;background:#fff;border-radius:50%;transition:transform .1s ease;box-shadow:var(--shadow-sm)}._progressContainer_1vfwz_64:hover ._progressThumb_1vfwz_86{transform:translateY(-50%) scale(1)}._controlBar_1vfwz_104{display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-3)}._controlGroup_1vfwz_111{display:flex;align-items:center;gap:var(--spacing-3)}._controlBtn_1vfwz_117{background:none;border:none;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:var(--spacing-1);border-radius:var(--radius-md);transition:all .2s ease;opacity:.9}._controlBtn_1vfwz_117:hover{opacity:1;background:#ffffff1a}._timeDisplay_1vfwz_136{color:#fff;font-family:var(--font-mono);font-size:var(--text-sm);opacity:.9;-webkit-user-select:none;user-select:none}._popoverWrapper_1vfwz_146{position:relative}._popoverMenu_1vfwz_150{position:absolute;bottom:100%;right:0;margin-bottom:var(--spacing-2);background:#1c1c1ef2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:var(--radius-lg);padding:var(--spacing-2);display:flex;flex-direction:column;gap:2px;min-width:100px;box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.1);animation:_slideUp_1vfwz_1 .2s ease}._popoverItem_1vfwz_169{background:none;border:none;color:#fff;padding:var(--spacing-2) var(--spacing-3);text-align:left;border-radius:var(--radius-md);cursor:pointer;font-size:var(--text-sm);transition:all .2s ease}._popoverItem_1vfwz_169:hover{background:#ffffff1a}._popoverItem_1vfwz_169._active_1vfwz_33{background:rgba(var(--color-primary-rgb),.2);color:var(--color-primary);font-weight:600}._settingLabel_1vfwz_191{font-size:12px;font-weight:600;margin-left:4px}@keyframes _slideUp_1vfwz_1{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media(max-width:768px){._controlsOverlay_1vfwz_19{padding:var(--spacing-2)}._controlBar_1vfwz_104,._controlGroup_1vfwz_111{gap:var(--spacing-2)}._settingLabel_1vfwz_191{display:none}}._pendingCard_ctsoj_1{display:flex;align-items:center;justify-content:center;gap:12px;padding:16px;background:var(--color-bg-sidebar);border:1px dashed var(--color-border);border-radius:var(--radius-md);color:var(--color-text-secondary)}._pendingIcon_ctsoj_13{color:var(--color-primary);opacity:.7}._pendingText_ctsoj_18{font-size:.95rem;font-weight:500}._card_ctsoj_24{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:24px;margin-top:16px;display:flex;flex-direction:column;gap:20px;box-shadow:var(--shadow-sm);transition:all var(--transition-base)}._cardSuccess_ctsoj_37{border-color:#10b9814d;background:linear-gradient(to bottom,rgba(16,185,129,.05),var(--color-bg-card))}._cardFail_ctsoj_42{border-color:#ef44444d;background:linear-gradient(to bottom,rgba(239,68,68,.05),var(--color-bg-card))}._header_ctsoj_47{display:flex;align-items:center;gap:24px}._scoreCircle_ctsoj_54{position:relative;width:80px;height:80px;flex-shrink:0}._circularChart_ctsoj_61{display:block;margin:0 auto;max-width:100%;max-height:100%}._circleBg_ctsoj_68{fill:none;stroke:#0000000d;stroke-width:3.8}._cardSuccess_ctsoj_37 ._circle_ctsoj_68{stroke:#10b981}._cardFail_ctsoj_42 ._circle_ctsoj_68{stroke:#ef4444}._circle_ctsoj_68{fill:none;stroke-width:3.8;stroke-linecap:round;animation:_progress_ctsoj_1 1s ease-out forwards}@keyframes 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var(--color-border);padding-top:16px}._toggleBtn_ctsoj_161{display:flex;align-items:center;justify-content:space-between;width:100%;background:transparent;border:none;padding:8px 0;color:var(--color-text-primary);font-weight:600;font-size:1rem;cursor:pointer;transition:opacity var(--transition-fast)}._toggleBtn_ctsoj_161:hover{opacity:.8}._toggleLabel_ctsoj_180{display:flex;align-items:center;gap:8px}._commentContent_ctsoj_186{max-height:0;overflow:hidden;transition:max-height .3s ease-out}._commentContent_ctsoj_186._open_ctsoj_192{max-height:500px;overflow-y:auto}._commentInner_ctsoj_197{margin-top:12px;padding:16px;background:#00000008;border-radius:var(--radius-md);font-size:.95rem;color:var(--color-text-secondary);line-height:1.6;white-space:pre-wrap}@media(max-width:768px){._header_ctsoj_47{flex-direction:column;align-items:center;text-align:center;gap:16px}._statusBadge_ctsoj_133{margin:0 auto}}._expContainer_ctsoj_222{margin-top:1rem;padding-top:1rem;border-top:1px solid 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ease}._syllableContainer_4el5v_23._wrong_4el5v_68{background-color:#fee2e2;animation:_shake_4el5v_1 .3s cubic-bezier(.36,.07,.19,.97) both}._syllableContainer_4el5v_23._wrong_4el5v_68 ._syllableText_4el5v_60{color:#dc2626;font-weight:600}._syllableContainer_4el5v_23._wrong_4el5v_68 ._toneMark_4el5v_44{color:#dc2626}@keyframes _shake_4el5v_1{10%,90%{transform:translate3d(-1px,0,0)}20%,80%{transform:translate3d(1px,0,0)}30%,50%,70%{transform:translate3d(-2px,0,0)}40%,60%{transform:translate3d(2px,0,0)}}._container_173ph_1{display:flex;flex-direction:column;flex:1;width:100%}._empty_173ph_8{display:flex;align-items:center;justify-content:center;height:100%;color:var(--color-text-muted);font-size:16px}._header_173ph_18{display:flex;align-items:flex-start;justify-content:space-between;padding:20px 24px 12px;flex-shrink:0;border-bottom:1px solid var(--color-border)}._lessonTitle_173ph_26{font-size:18px;font-weight:800;color:var(--color-text-primary);line-height:1.3}._lessonId_173ph_32{font-size:12px;color:var(--color-text-muted);margin-top:2px;font-family:monospace}._videoWrapper_173ph_40{position:sticky;top:0;z-index:10;background:#000;flex-shrink:0;height:360px;max-height:45vh;display:flex;align-items:stretch;justify-content:stretch;box-shadow:0 4px 20px #00000080}._video_173ph_40{width:100%;height:100%;object-fit:contain;display:block}._videoGlow_173ph_59{position:absolute;bottom:-20px;left:50%;transform:translate(-50%);width:70%;height:40px;background:#b9333726;filter:blur(24px);pointer-events:none}._scriptSection_173ph_72{flex:1;padding:20px 24px 40px}._scriptTitle_173ph_76{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--color-text-muted);margin-bottom:16px}._scriptList_173ph_84{display:flex;flex-direction:column;gap:10px}._watchNotice_173ph_90{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 16px;background:#b933370d;border:1px dashed rgba(185,51,55,.3);border-radius:var(--radius-lg);text-align:center;color:var(--color-text-secondary);gap:12px}._watchIcon_173ph_104{color:var(--color-primary);opacity:.5}._dialogueCard_173ph_110{display:flex;flex-direction:column;gap:12px;padding:16px 20px;border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-bg-card);cursor:pointer;transition:all var(--transition-base)}._dialogueCard_173ph_110:hover{border-color:var(--color-primary);background:var(--color-bg-highlight);transform:translateY(-2px);box-shadow:var(--shadow-md)}._dialogueCardActive_173ph_127{border-color:var(--color-primary)!important;background:#b9333712!important;box-shadow:0 0 0 3px #b933371a,var(--shadow-sm)!important}._cardPassed_173ph_132{border-color:#10b981}._cardFailed_173ph_135{border-color:#ef4444;background:#ef444405}._cardHeader_173ph_140{display:flex;justify-content:space-between;align-items:center;width:100%}._actionGroup_173ph_147{display:flex;align-items:center;gap:8px}._dialogueMain_173ph_153{display:flex;flex-direction:column;gap:12px;width:100%}._dialogueHanzi_173ph_160{font-family:"Noto Serif SC",Songti SC,serif;font-size:22px;font-weight:600;letter-spacing:.06em;color:var(--color-text-primary);line-height:1.6}._slowAudioBtn_173ph_169{display:flex;align-items:center;gap:4px;background:var(--color-bg-page);border:1px solid var(--color-border);color:var(--color-text-secondary);border-radius:var(--radius-full);padding:2px 8px;font-size:11px;font-weight:600;cursor:pointer;transition:all var(--transition-fast)}._slowAudioBtn_173ph_169:hover{background:var(--color-bg-highlight);color:var(--color-primary);border-color:#b9333733}._dialoguePinyin_173ph_190{font-size:14px;color:var(--color-primary);font-weight:500;letter-spacing:.03em;line-height:1.5}._dialogueViet_173ph_197{font-size:14px;color:var(--color-text-secondary);font-weight:500}._dialogueTime_173ph_202{font-size:11px;font-family:monospace;color:var(--color-text-muted);background:var(--color-bg-sidebar);padding:2px 8px;border-radius:var(--radius-full)}._audioBtn_173ph_210{padding:7px;border:1px solid var(--color-border);border-radius:var(--radius-full);background:var(--color-bg-card);color:var(--color-text-muted);cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center}._audioBtn_173ph_210:hover{background:var(--color-primary);color:var(--color-text-inverse);border-color:var(--color-primary)}._seekHint_173ph_227{display:none}._vietWrapper_173ph_232{width:100%}._hiddenViet_173ph_236{padding:8px 12px;background:var(--color-bg-sidebar);border-radius:var(--radius-sm);border:1px dashed var(--color-border);text-align:center}._blurText_173ph_244{font-size:13px;color:var(--color-text-muted);font-style:italic}._quizBox_173ph_250{padding:12px;background:#b933370d;border-radius:var(--radius-md);border:1px solid rgba(185,51,55,.2);margin-top:8px}._quizPrompt_173ph_258{font-size:13px;font-weight:600;color:var(--color-text-primary);margin-bottom:8px}._quizOptions_173ph_265{display:flex;flex-direction:column;gap:6px}._quizBtn_173ph_271{text-align:left;padding:8px 12px;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:13px;color:var(--color-text-secondary);cursor:pointer;transition:all .2s ease}._quizBtn_173ph_271:hover{border-color:var(--color-primary);background:#b933370d;color:var(--color-primary)}._successIconInline_173ph_289{color:#10b981;margin-right:6px;flex-shrink:0}._dialogueViet_173ph_197,._vietText_173ph_306{display:flex;align-items:center;font-size:14px;color:var(--color-text-primary);padding:8px 12px;background:#10b9811a;border-radius:var(--radius-sm);border:1px solid rgba(16,185,129,.3)}._teacherFeedbackBox_173ph_318{margin-top:12px;padding:12px;border-radius:var(--radius-md);display:flex;flex-direction:column;gap:6px;font-size:13px}._feedbackPassed_173ph_328{background:#10b9810d;border:1px solid rgba(16,185,129,.2)}._feedbackFailed_173ph_333{background:#ef44440d;border:1px solid rgba(239,68,68,.2)}._feedbackHeader_173ph_338{display:flex;align-items:center;gap:6px;font-weight:600}._feedbackPassed_173ph_328 ._feedbackHeader_173ph_338{color:#10b981}._feedbackFailed_173ph_333 ._feedbackHeader_173ph_338{color:#ef4444}._feedbackTitle_173ph_353{text-transform:uppercase;font-size:11px;letter-spacing:.05em}._feedbackNote_173ph_359{color:var(--color-text-secondary);line-height:1.5;background:var(--color-bg-body);padding:8px;border-radius:var(--radius-sm);border:1px solid var(--color-border)}._dialogueActionsCol_173ph_369{display:flex;flex-direction:column;align-items:flex-end;gap:8px;flex-shrink:0}._actionRow_173ph_377{display:flex;align-items:center;gap:8px}._recordIdle_173ph_383{color:var(--color-primary);border-color:#b933374d}._recordIdle_173ph_383:hover{background:var(--color-primary);color:#fff}._recordingPulse_173ph_392{background:#b933371a;color:var(--color-primary);border-color:var(--color-primary);animation:_pulseRecording_173ph_1 1.5s infinite}@keyframes _pulseRecording_173ph_1{0%{box-shadow:0 0 #b9333766}70%{box-shadow:0 0 0 6px #b9333700}to{box-shadow:0 0 #b9333700}}._reviewGroup_173ph_405{display:flex;align-items:center;gap:4px;background:var(--color-bg-sidebar);padding:4px;border-radius:var(--radius-full)}._reviewPlay_173ph_414{background:#10b981;color:#fff;border-color:#10b981}._reviewPlay_173ph_414:hover{background:#059669;border-color:#059669}._locked_173ph_426{opacity:.5;pointer-events:none;background:transparent;border-color:transparent}._dialogueHanziBlur_173ph_433{font-size:1.5rem;color:var(--color-text-secondary);filter:blur(2px);-webkit-user-select:none;user-select:none}._lockIcon_173ph_441{display:flex;align-items:center;justify-content:center;color:var(--color-text-secondary)}._actionWrapperFinal_173ph_449{padding:16px;background:#ffffff0d;border-top:1px solid rgba(255,255,255,.1)}._finalSubmitNotice_173ph_455{font-size:.9rem;color:var(--color-success);margin-bottom:12px;text-align:center;font-weight:500}@media(max-width:768px){._header_173ph_18{padding:16px 16px 12px}._videoWrapper_173ph_40{height:260px;max-height:40vh}._scriptSection_173ph_72{padding:16px 16px 100px}._dialogueCard_173ph_110{padding:12px 14px;gap:8px}._dialogueHanzi_173ph_160{font-size:20px;line-height:1.4}._dialoguePinyin_173ph_190{font-size:13px}._audioBtn_173ph_210{padding:6px}._actionRow_173ph_377{gap:6px}._quizBtn_173ph_271{padding:10px 12px}}._submitSection_173ph_505{padding:24px;background:var(--color-bg-page);border-top:1px solid var(--color-border);display:flex;flex-direction:column;align-items:center;gap:12px;position:sticky;bottom:0;z-index:10;box-shadow:0 -4px 24px #0000001a}._submitBtn_173ph_519{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;max-width:400px;padding:16px;background:var(--color-primary);color:var(--color-text-inverse);border:none;border-radius:var(--radius-lg);font-size:1rem;font-weight:800;cursor:pointer;transition:all var(--transition-base);box-shadow:0 4px 16px #b9333733}._submitBtn_173ph_519:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #b933374d;background:var(--color-primary-hover)}._submitBtn_173ph_519:disabled{opacity:.7;cursor:not-allowed}._spinner_173ph_549{animation:_spin_173ph_549 1s linear infinite}@keyframes _spin_173ph_549{to{transform:rotate(360deg)}}._errorText_173ph_557{color:var(--color-status-fail);font-size:.9rem;font-weight:500;text-align:center}._container_1mscc_1{padding:var(--spacing-xl);max-width:800px;margin:0 auto;height:100%;overflow-y:auto;animation:_fadeIn_1mscc_1 .4s ease-out forwards}@keyframes _fadeIn_1mscc_1{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}._header_1mscc_15{margin-bottom:var(--spacing-2xl);text-align:center}._headerIcon_1mscc_20{color:var(--color-primary);margin-bottom:var(--spacing-md);filter:drop-shadow(0 4px 6px rgba(185,51,55,.2))}._header_1mscc_15 h2{font-size:2.25rem;color:var(--color-text-primary);margin-bottom:var(--spacing-xs);font-weight:800;letter-spacing:-.02em}._header_1mscc_15 p{color:var(--color-error);font-size:.95rem;font-weight:500}._slotGrid_1mscc_40{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:var(--spacing-md);margin-bottom:var(--spacing-2xl)}._slotCard_1mscc_47{background:var(--color-bg-card);border:2px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-md);display:flex;flex-direction:column;align-items:center;gap:var(--spacing-sm);cursor:pointer;transition:all var(--transition-base);box-shadow:var(--shadow-sm);position:relative;overflow:hidden}._slotCard_1mscc_47:hover:not(:disabled){border-color:var(--color-border-focus);transform:translateY(-4px);box-shadow:var(--shadow-md)}._slotCard_1mscc_47._selected_1mscc_69{border-color:var(--color-primary);background:var(--color-bg-highlight);box-shadow:0 4px 12px #b9333726}._slotCard_1mscc_47._selected_1mscc_69:before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--color-primary),var(--color-accent))}._slotCard_1mscc_47:disabled{background:var(--color-bg-hover);border-color:var(--color-border);cursor:not-allowed;opacity:.6;box-shadow:none;transform:none}._slotDate_1mscc_94{font-size:.85rem;color:var(--color-text-secondary);font-weight:600;text-transform:uppercase;letter-spacing:.05em}._slotTime_1mscc_102{display:flex;align-items:center;gap:var(--spacing-xs);font-size:1.25rem;font-weight:800;color:var(--color-text-primary)}._slotStatus_1mscc_111{font-size:.75rem;color:var(--color-error);margin-top:4px;font-weight:700;background:#dc26261a;padding:2px 8px;border-radius:var(--radius-full)}._footer_1mscc_121{display:flex;justify-content:center}._btnPrimary_1mscc_126{background:var(--color-primary);color:var(--color-text-inverse);border:none;padding:var(--spacing-md) var(--spacing-xl);border-radius:var(--radius-lg);font-weight:700;font-size:1.05rem;cursor:pointer;transition:all var(--transition-base);box-shadow:0 4px 12px #b9333740}._btnPrimary_1mscc_126:disabled{background:var(--color-border);color:var(--color-text-muted);cursor:not-allowed;box-shadow:none;transform:none}._btnPrimary_1mscc_126:hover:not(:disabled){background:var(--color-primary-hover);transform:translateY(-2px);box-shadow:0 6px 16px #b9333759}._btnPrimary_1mscc_126:active:not(:disabled){transform:translateY(0);box-shadow:0 2px 8px #b9333733}._successCard_1mscc_158{background:var(--color-bg-card);text-align:center;padding:var(--spacing-2xl);display:flex;flex-direction:column;align-items:center;gap:var(--spacing-lg);border-radius:var(--radius-xl);border:1px solid var(--color-border);box-shadow:var(--shadow-lg)}._successIcon_1mscc_171{color:#10b981;filter:drop-shadow(0 4px 6px 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h2{font-size:2.25rem;font-weight:800;color:var(--color-text-primary);margin-bottom:var(--spacing-xs);letter-spacing:-.02em}._header_1urcs_15 p{color:var(--color-text-secondary);font-size:1.1rem;font-weight:500}._statsGrid_1urcs_40{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-lg);margin-bottom:var(--spacing-2xl)}._statCard_1urcs_47{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--spacing-xl);text-align:center;box-shadow:var(--shadow-md);transition:all var(--transition-base);position:relative;overflow:hidden}._statCard_1urcs_47:before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--color-primary),var(--color-accent));opacity:0;transition:opacity 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h3{font-size:1.25rem;margin:0;font-weight:800;letter-spacing:-.01em}._previewBox_1urcs_165{background:var(--color-bg-card);border:1px solid var(--color-border);padding:var(--spacing-xl);border-radius:var(--radius-lg);line-height:1.6;color:var(--color-text-secondary);font-size:1.05rem;white-space:pre-wrap;box-shadow:var(--shadow-sm)}._footer_1urcs_177{display:flex;justify-content:flex-end}._btnPrimary_1urcs_182{display:flex;align-items:center;gap:var(--spacing-sm);background:var(--color-primary);color:var(--color-text-inverse);border:none;padding:var(--spacing-md) var(--spacing-xl);border-radius:var(--radius-md);font-weight:700;font-size:1.05rem;cursor:pointer;transition:all var(--transition-base);box-shadow:0 4px 12px #b9333740}._btnPrimary_1urcs_182:hover{background:var(--color-primary-hover);transform:translateY(-2px);box-shadow:0 6px 16px #b9333759}._btnPrimary_1urcs_182:active{transform:translateY(0);box-shadow:0 2px 8px #b9333733}._btnSuccess_1urcs_209{background:#10b981;box-shadow:0 4px 12px #10b98140}._btnSuccess_1urcs_209:hover{background:#059669;box-shadow:0 6px 16px #10b98159}._container_5c2cz_1{padding:var(--spacing-xl);max-width:900px;margin:0 auto;animation:_slideUp_5c2cz_1 .4s ease-out forwards}@keyframes _slideUp_5c2cz_1{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}._header_5c2cz_25{margin-bottom:var(--spacing-2xl);text-align:center}._title_5c2cz_35{font-size:2.5rem;font-weight:800;color:var(--color-text-primary);margin-bottom:var(--spacing-sm);background:linear-gradient(135deg,var(--color-primary),var(--color-accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-.02em}._subtitle_5c2cz_57{font-size:1.1rem;color:var(--color-text-secondary);font-weight:500}._completedBadge_5c2cz_71{display:flex;align-items:center;gap:var(--spacing-md);background:#2ecc711a;border:1px solid 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.2s}._recordBtn_5c2cz_261:hover{background:var(--color-border)}._zoomBtn_5c2cz_297{display:inline-flex;align-items:center;gap:6px;background:var(--color-primary);color:var(--color-text-inverse);border:none;border-radius:var(--radius-full);padding:.75rem 1.25rem;font-size:1rem;font-weight:700;cursor:pointer;transition:all var(--transition-base);text-decoration:none;box-shadow:0 4px 15px #b9333740}._zoomBtn_5c2cz_297:hover{background:var(--color-primary-hover);transform:scale(1.05);box-shadow:0 6px 20px #b9333759}._statusWait_5c2cz_343{color:var(--color-text-muted);font-style:italic;font-size:.95rem;padding:.75rem 0}._emptyState_5c2cz_357{text-align:center;padding:var(--spacing-2xl);color:var(--color-text-muted);background:var(--color-bg-highlight);border-radius:var(--radius-lg);border:1px dashed var(--color-border)}._homeworkCard_5c2cz_375{background:var(--color-bg-card);border:1px solid var(--color-primary);border-radius:var(--radius-xl);padding:var(--spacing-xl);box-shadow:0 8px 30px 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8px;letter-spacing:-.02em}._subtitle_17e2p_25{font-size:1.1rem;color:#94a3b8;margin:0}._welcomeBanner_17e2p_31{background:linear-gradient(135deg,#38bdf81a,#2563eb0d);border:1px solid rgba(56,189,248,.2);border-radius:24px;padding:2.5rem;margin-bottom:2.5rem;box-shadow:inset 0 1px 1px #ffffff0d,0 10px 30px -10px #0000004d;position:relative;overflow:hidden}._welcomeBanner_17e2p_31:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at top right,rgba(56,189,248,.15),transparent 70%);pointer-events:none}._welcomeBanner_17e2p_31 h2{font-size:1.6rem;font-weight:800;color:#f8fafc;margin:0 0 12px;display:flex;align-items:center;gap:12px}._welcomeBanner_17e2p_31 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#38bdf84d}._submitBtnSmart_1499z_502:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}._resultsPanel_1499z_526{background:#0f172acc;border:1px solid rgba(255,255,255,.1);border-radius:12px;overflow:hidden}._resultsHeader_1499z_533{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:#0003;border-bottom:1px solid rgba(255,255,255,.05)}._resultsHeader_1499z_533 h5{margin:0;color:#f8fafc}._resultsHeader_1499z_533 button{background:transparent;color:#38bdf8;border:1px solid rgba(56,189,248,.3);padding:4px 12px;border-radius:8px;font-size:.85rem;cursor:pointer;transition:all .2s}._resultsHeader_1499z_533 button:hover{background:#38bdf81a}._exportBtn_1499z_562{display:flex;align-items:center;gap:6px;background:#22c55e26!important;color:#22c55e!important;border:1px solid rgba(34,197,94,.4)!important;padding:6px 14px!important;border-radius:8px;font-size:.85rem;font-weight:600;cursor:pointer;transition:all 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0;font-style:italic}._studentsUl_1499z_631{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:6px;max-height:400px;overflow-y:auto}._studentsUl_1499z_631::-webkit-scrollbar{width:4px}._studentsUl_1499z_631::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:4px}._studentItem_1499z_645{display:grid;grid-template-columns:36px 1fr auto;grid-template-rows:auto auto;gap:2px 10px;background:#0003;padding:10px 12px;border-radius:12px;border:1px solid rgba(255,255,255,.04);transition:background .2s}._studentItem_1499z_645:hover{background:#00000059;border-color:#ffffff14}._studentAvatar_1499z_662{grid-row:1 / 3;align-self:center;width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#38bdf8,#818cf8);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem;flex-shrink:0}._studentDetails_1499z_678{display:flex;align-items:center;gap:8px;min-width:0;grid-column:2;grid-row:1}._studentName_1499z_687{color:#f8fafc;font-weight:500;font-size:.9rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}._studentStatus_1499z_696{color:#38bdf8;font-size:.7rem;font-weight:600;white-space:nowrap;background:#38bdf81a;padding:1px 8px;border-radius:9999px;flex-shrink:0}._studentListHeader_1499z_707{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}._studentListCount_1499z_714{color:#94a3b8;font-size:.85rem;font-weight:500}._deleteAllBtn_1499z_720{display:flex;align-items:center;gap:4px;background:transparent;color:#64748b;border:1px solid rgba(255,255,255,.08);padding:4px 10px;border-radius:6px;font-size:.75rem;font-weight:500;cursor:pointer;transition:all .2s}._deleteAllBtn_1499z_720:hover:not(:disabled){background:#ef44441a;color:#ef4444;border-color:#ef44444d}._deleteAllBtn_1499z_720:disabled{opacity:.5;cursor:not-allowed}._deleteStudentBtn_1499z_746{background:transparent;color:#64748b;border:none;padding:6px;border-radius:8px;cursor:pointer;transition:all .2s;margin-left:auto;flex-shrink:0}._deleteStudentBtn_1499z_746:hover:not(:disabled){color:#ef4444;background:#ef44441a}._deleteStudentBtn_1499z_746:disabled{opacity:.5;cursor:not-allowed}._studentActions_1499z_768{display:flex;align-items:center;gap:2px;grid-column:3;grid-row:1 / 3;align-self:center;flex-shrink:0}._resetPwBtn_1499z_778{background:transparent;color:#475569;border:none;padding:5px;border-radius:6px;cursor:pointer;transition:all 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rgba(129,140,248,.3);padding:10px;border-radius:12px;font-size:.9rem;font-weight:500;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:8px}._searchExistingBtn_1499z_843:hover{color:#a5b4fc;border-color:#818cf880;background:#818cf80d}._searchPanel_1499z_866{background:linear-gradient(145deg,#020617,#0f172a);border:1px solid rgba(129,140,248,.3);border-radius:16px;padding:1.25rem;display:flex;flex-direction:column;gap:12px;box-shadow:inset 0 0 20px #818cf80d,0 8px 32px #0000004d;animation:_slideIn_1499z_1 .3s ease-out}._searchPanelHeader_1499z_878{display:flex;justify-content:space-between;align-items:center}._searchPanel_1499z_866 h4{margin:0;color:#818cf8;font-size:1.05rem;display:flex;align-items:center;gap:8px;font-weight:700}._closePanelBtn_1499z_894{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);color:#94a3b8;width:32px;height:32px;border-radius:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}._closePanelBtn_1499z_894:hover{background:#ef44441a;border-color:#ef44444d;color:#ef4444}._searchInputWrapper_1499z_914{position:relative}._searchInput_1499z_914{width:100%;padding:12px 40px;background:#0006;border:1px solid rgba(255,255,255,.1);border-radius:12px;color:#f8fafc;font-size:.95rem;transition:all .3s ease}._searchInput_1499z_914:focus{outline:none;border-color:#818cf8;box-shadow:0 0 0 3px #818cf826}._searchInput_1499z_914::placeholder{color:#475569}._searchIcon_1499z_939{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:#475569;pointer-events:none}._clearSearchBtn_1499z_948{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:#ffffff14;border:none;color:#94a3b8;width:24px;height:24px;border-radius:6px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}._clearSearchBtn_1499z_948:hover{background:#ffffff26;color:#f8fafc}._searchStats_1499z_971{display:flex;align-items:center;gap:8px;font-size:.85rem;color:#64748b;padding:6px 12px;background:#ffffff05;border-radius:8px;border:1px solid rgba(255,255,255,.04)}._selectedBadge_1499z_983{background:#818cf826;color:#a5b4fc;padding:2px 10px;border-radius:99px;font-weight:700;font-size:.78rem;margin-left:8px;animation:_fadeIn_1499z_1 .3s ease}@keyframes _fadeIn_1499z_1{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}._searchHint_1499z_999{font-size:.8rem;color:#475569;margin:0}._searchResultsList_1499z_1005{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:4px;max-height:340px;overflow-y:auto;scroll-behavior:smooth}._searchResultsList_1499z_1005::-webkit-scrollbar{width:4px}._searchResultsList_1499z_1005::-webkit-scrollbar-thumb{background:#818cf833;border-radius:4px}._searchResultItem_1499z_1020{display:flex;align-items:center;gap:10px;padding:10px 12px;background:#0f172a99;border:1px solid rgba(255,255,255,.03);border-radius:10px;cursor:pointer;transition:all 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Mono,monospace}._enrolledBadge_1499z_1095{display:inline-flex;align-items:center;gap:4px;color:#22c55e;background:#22c55e1a;padding:2px 8px;border-radius:99px;font-weight:600;font-size:.7rem;flex-shrink:0}._searchFooter_1499z_1108{display:flex;justify-content:flex-end;align-items:center;padding-top:8px;border-top:1px solid rgba(255,255,255,.05);gap:8px}._selectedCount_1499z_1117{color:#818cf8;font-size:.85rem;font-weight:600}._searchActions_1499z_1123{display:flex;gap:8px}._enrollBtn_1499z_1128{background:linear-gradient(135deg,#818cf8,#6366f1);color:#fff;border:none;padding:8px 20px;border-radius:10px;font-weight:700;font-size:.9rem;cursor:pointer;transition:all .3s;box-shadow:0 4px 12px #818cf84d}._enrollBtn_1499z_1128:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 6px 20px #818cf866}._enrollBtn_1499z_1128:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}._searchLoading_1499z_1153{text-align:center;padding:24px;color:#64748b;font-size:.9rem;display:flex;align-items:center;justify-content:center;gap:10px}._loadingSpinner_1499z_1164{width:20px;height:20px;border:2px solid rgba(129,140,248,.2);border-top-color:#818cf8;border-radius:50%;animation:_spin_1499z_1 .6s linear infinite}._searchLoading_1499z_1153:after{content:none}._searchEmpty_1499z_1177{text-align:center;padding:24px;color:#64748b;font-size:.9rem}@keyframes _spin_1499z_1{to{transform:rotate(360deg)}}._enrollSuccessMsg_1499z_1188{text-align:center;padding:16px;color:#22c55e;background:#22c55e1a;border:1px solid rgba(34,197,94,.2);border-radius:10px;font-weight:600;font-size:.9rem;animation:_slideIn_1499z_1 .3s ease-out}._editMode_1499z_1201{display:flex;flex-direction:column;gap:12px}._editRow_1499z_1207{display:flex;flex-direction:column;gap:4px}._editRow_1499z_1207 label{color:#94a3b8;font-size:.85rem;font-weight:600}._editInput_1499z_1219{padding:10px 14px;background:#0000004d;border:1px solid rgba(255,255,255,.1);border-radius:10px;color:#f8fafc;font-size:.95rem;transition:border-color .2s}._editInput_1499z_1219:focus{outline:none;border-color:#38bdf8}._inviteEditWrapper_1499z_1234{display:flex;gap:8px}._randomBtn_1499z_1239{background:#38bdf81a;color:#38bdf8;border:1px solid rgba(56,189,248,.3);padding:8px 14px;border-radius:10px;cursor:pointer;white-space:nowrap;font-size:.85rem;font-weight:600;transition:all .2s}._randomBtn_1499z_1239:hover{background:#38bdf833}._editActions_1499z_1256{display:flex;gap:8px;justify-content:flex-end;margin-top:4px}._saveBtn_1499z_1263{background:#38bdf8;color:#0f172a;border:none;padding:8px 18px;border-radius:10px;font-weight:700;cursor:pointer;display:flex;align-items:center;gap:6px;transition:all .2s}._saveBtn_1499z_1263:hover:not(:disabled){background:#7dd3fc}._saveBtn_1499z_1263:disabled{opacity:.5;cursor:not-allowed}._previewName_1499z_1286{color:#f8fafc;font-weight:500}._errorText_1499z_1291{color:#ef4444;font-size:.85rem;margin:0}._container_1vg1h_1{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--spacing-xl);margin-bottom:var(--spacing-xl);box-shadow:var(--shadow-sm)}._header_1vg1h_10{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-lg);padding-bottom:var(--spacing-md);border-bottom:1px solid var(--color-border)}._titleWrapper_1vg1h_19{display:flex;align-items:center;gap:var(--spacing-sm);color:var(--color-primary)}._titleWrapper_1vg1h_19 h2{font-size:1.25rem;font-weight:700;color:var(--color-text-primary)}._addBtn_1vg1h_32{display:flex;align-items:center;gap:6px;background:var(--color-primary);color:#fff;border:none;padding:8px 16px;border-radius:var(--radius-full);font-weight:600;cursor:pointer;transition:all .2s}._addBtn_1vg1h_32:hover{background:var(--color-primary-hover);transform:translateY(-1px)}._list_1vg1h_51{display:flex;flex-direction:column;gap:var(--spacing-md)}._sessionCard_1vg1h_57{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-md);background:var(--color-bg-highlight);border:1px solid var(--color-border);border-radius:var(--radius-lg)}._sessionInfo_1vg1h_67{display:flex;flex-direction:column;gap:6px}._sessionTitle_1vg1h_73{font-weight:700;color:var(--color-text-primary);font-size:1.1rem}._sessionTime_1vg1h_79{display:flex;align-items:center;gap:4px;font-size:.9rem;color:var(--color-text-secondary)}._hasLink_1vg1h_87{display:inline-block;font-size:.8rem;padding:2px 8px;border-radius:12px;background:#22c55e1a;color:#16a34a;width:max-content}._sessionActions_1vg1h_97{display:flex;gap:8px}._iconBtn_1vg1h_102{background:#fff;border:1px solid var(--color-border);color:var(--color-text-secondary);width:32px;height:32px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s}._iconBtn_1vg1h_102:hover{background:var(--color-bg-highlight);color:var(--color-text-primary)}._deleteBtn_1vg1h_121:hover{background:#ef44441a;color:#ef4444;border-color:#ef44444d}._editCard_1vg1h_127{background:var(--color-bg-card);border:1px solid var(--color-primary);padding:var(--spacing-lg);border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}._editCard_1vg1h_127 h3{margin-bottom:var(--spacing-md);color:var(--color-text-primary)}._formGrid_1vg1h_140{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-md);margin-bottom:var(--spacing-lg)}._formGroup_1vg1h_147{display:flex;flex-direction:column;gap:4px}._formGroup_1vg1h_147 label{font-size:.9rem;font-weight:600;color:var(--color-text-secondary)}._formGroup_1vg1h_147 input{padding:8px 12px;border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:1rem;font-family:inherit}._formGroup_1vg1h_147 input:focus{outline:none;border-color:var(--color-primary)}._actions_1vg1h_172{display:flex;gap:var(--spacing-sm);justify-content:flex-end}._saveBtn_1vg1h_178{display:flex;align-items:center;gap:6px;background:var(--color-primary);color:#fff;border:none;padding:8px 16px;border-radius:var(--radius-md);font-weight:600;cursor:pointer}._cancelBtn_1vg1h_191{background:#fff;color:var(--color-text-primary);border:1px solid var(--color-border);padding:8px 16px;border-radius:var(--radius-md);font-weight:600;cursor:pointer}._container_d8549_1{display:flex;flex-direction:column;height:100%;background:transparent}._stickyHeader_d8549_8{position:sticky;top:0;z-index:20;background:#0f172ad9;-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);border-bottom:1px solid rgba(255,255,255,.05);padding:1.5rem;display:flex;flex-direction:column;gap:16px;box-shadow:0 10px 30px #00000080}._headerTitleArea_d8549_23{padding-right:32px}._title_d8549_27{margin:0 0 4px;font-size:1.4rem;font-weight:800;color:#f8fafc}._lessonName_d8549_34{margin:0;font-size:.95rem;color:#94a3b8}._closeBtn_d8549_40{position:absolute;top:1.5rem;right:1.5rem;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);color:#94a3b8;cursor:pointer;padding:8px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .2s}._closeBtn_d8549_40:hover{background:#ef444433;color:#ef4444;border-color:#ef444480;transform:scale(1.1)}._globalActions_d8549_63{display:flex;gap:16px;align-items:center;flex-wrap:wrap}._scoreControl_d8549_70{display:flex;flex-direction:column;gap:8px;min-width:150px}._scoreControl_d8549_70 label{font-weight:700;color:#38bdf8;font-size:.95rem}._slider_d8549_83{width:100%;accent-color:#38bdf8}._globalFeedbackBox_d8549_88{flex:1;min-width:250px}._globalFeedback_d8549_88{width:100%;padding:10px 16px;border:1px solid rgba(255,255,255,.1);border-radius:12px;background:#0000004d;font-size:.9rem;resize:vertical;color:#f8fafc;transition:all .2s}._globalFeedback_d8549_88:focus{outline:none;border-color:#38bdf8;box-shadow:0 0 0 2px #38bdf833}._btnGroup_d8549_111{display:flex;gap:12px}._btn_d8549_111{display:flex;align-items:center;gap:8px;padding:10px 20px;border-radius:12px;font-weight:700;font-size:.95rem;cursor:pointer;transition:all .3s cubic-bezier(.16,1,.3,1);border:none}._btnPass_d8549_129{background:linear-gradient(135deg,#10b981,#059669);color:#fff;box-shadow:0 4px 15px #10b9814d,inset 0 1px 1px #fff3}._btnPass_d8549_129:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 25px #10b98180,inset 0 1px 1px #fff3;filter:brightness(1.1)}._btnFail_d8549_141{background:#ef44441a;color:#ef4444;border:1px solid rgba(239,68,68,.3)}._btnFail_d8549_141:hover:not(:disabled){background:#ef444433;border-color:#ef444480;box-shadow:0 0 15px #ef44444d;transform:translateY(-2px)}._btn_d8549_111:disabled{opacity:.5;cursor:not-allowed;transform:none}._alert_d8549_160{margin:1rem 1.5rem 0;padding:12px 16px;border-radius:12px;display:flex;align-items:center;gap:8px;font-weight:600;animation:_slideDown_d8549_1 .3s ease}@keyframes _slideDown_d8549_1{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}._alertSuccess_d8549_176{background:#22c55e1a;color:#22c55e;border:1px solid rgba(34,197,94,.3)}._sentencesList_d8549_182{flex:1;overflow-y:auto;padding:1.5rem;display:flex;flex-direction:column;gap:1.5rem}._sentencesList_d8549_182::-webkit-scrollbar{width:6px}._sentencesList_d8549_182::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:4px}._sentenceCard_d8549_194{background:#0003;border:1px solid rgba(255,255,255,.05);border-radius:16px;display:grid;grid-template-columns:1fr 1fr;overflow:hidden;box-shadow:inset 0 0 20px #ffffff05}._contextSide_d8549_204{padding:1.5rem;border-right:1px solid rgba(255,255,255,.05)}._vnText_d8549_209{color:#94a3b8;font-size:1rem;margin-top:12px;font-style:italic}._gradingSide_d8549_216{padding:1.5rem;background:#ffffff05;display:flex;flex-direction:column;gap:16px}._audioPlayer_d8549_224{width:100%;height:40px;border-radius:8px}._audioPlayer_d8549_224::-webkit-media-controls-panel{background:#38bdf81a}._audioPlayer_d8549_224::-webkit-media-controls-play-button,._audioPlayer_d8549_224::-webkit-media-controls-mute-button{filter:invert(1)}._noAudio_d8549_239{color:#ef4444;font-size:.9rem;font-style:italic;padding:8px 12px;background:#ef44441a;border-radius:8px;border:1px dashed rgba(239,68,68,.3)}._gradingActions_d8549_249{display:flex;flex-direction:column;gap:12px}._statusToggle_d8549_255{display:flex;gap:8px}._toggleBtn_d8549_260{flex:1;padding:10px;border:1px solid rgba(255,255,255,.1);background:#0000004d;color:#94a3b8;border-radius:8px;font-weight:600;cursor:pointer;transition:all .2s}._toggleBtn_d8549_260:hover{background:#ffffff0d;color:#f8fafc}._togglePassActive_d8549_277{background:#22c55e1a;color:#22c55e;border-color:#22c55e80;box-shadow:0 0 15px #22c55e33}._toggleFailActive_d8549_284{background:#ef44441a;color:#ef4444;border-color:#ef444480;box-shadow:0 0 15px #ef444433}._noteInput_d8549_291{width:100%;padding:10px 12px;border:1px solid rgba(255,255,255,.1);border-radius:8px;font-size:.9rem;background:#0000004d;color:#f8fafc;resize:vertical;transition:all .2s}._noteInput_d8549_291:focus{outline:none;border-color:#38bdf8;background:#0f172a80}._pinyinContainer_d8549_310{margin-bottom:.5rem}@media(max-width:900px){._sentenceCard_d8549_194{grid-template-columns:1fr}._contextSide_d8549_204{border-right:none;border-bottom:1px solid rgba(255,255,255,.05)}}._container_ziauf_1{display:flex;height:100vh;background-color:#0f172a;background-image:radial-gradient(circle at 100% 0%,rgba(56,189,248,.1) 0px,transparent 50%),radial-gradient(circle at 0% 100%,rgba(37,99,235,.1) 0px,transparent 50%);color:#f8fafc;overflow:hidden}._studentsSidebar_ziauf_13{width:260px;background:#0f172ab3;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-right:1px solid rgba(255,255,255,.05);display:flex;flex-direction:column;z-index:10}._sidebarHeader_ziauf_24{padding:1.5rem;border-bottom:1px solid rgba(255,255,255,.05)}._sidebarHeader_ziauf_24 h2{font-size:1.1rem;font-weight:700;color:#f8fafc;margin:0 0 4px}._sidebarHeader_ziauf_24 p{font-size:.85rem;color:#94a3b8;margin:0}._studentList_ziauf_42{flex:1;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:8px}._studentList_ziauf_42::-webkit-scrollbar{width:4px}._studentList_ziauf_42::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:4px}._studentBtn_ziauf_54{display:flex;align-items:center;gap:12px;width:100%;padding:12px;background:transparent;border:1px solid transparent;border-radius:12px;cursor:pointer;transition:all .2s;text-align:left}._studentBtn_ziauf_54:hover{background:#ffffff05}._studentBtnActive_ziauf_72{background:#38bdf81a;border:1px solid rgba(56,189,248,.3);box-shadow:0 4px 12px #38bdf81a}._studentAvatar_ziauf_78{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#38bdf8,#818cf8);display:flex;align-items:center;justify-content:center;color:#fff;overflow:hidden}._studentAvatar_ziauf_78 img{width:100%;height:100%;object-fit:cover}._studentInfo_ziauf_96{flex:1;display:flex;flex-direction:column;gap:4px}._studentName_ziauf_103{font-size:.95rem;font-weight:600;color:#f8fafc}._pendingBadge_ziauf_109{font-size:.75rem;font-weight:600;color:#fb923c;background:#fb923c1a;padding:2px 6px;border-radius:4px;display:inline-block;width:fit-content}._noPendingBadge_ziauf_120{font-size:.75rem;color:#22c55e;background:#22c55e1a;padding:2px 6px;border-radius:4px;display:inline-block;width:fit-content}._emptyText_ziauf_130{text-align:center;color:#64748b;font-size:.9rem;margin-top:2rem;font-style:italic}._syllabusSidebar_ziauf_139{width:280px;background:#0f172a66;border-right:1px solid rgba(255,255,255,.05);display:flex;flex-direction:column}._nav_ziauf_147{flex:1;overflow-y:auto;padding:1rem}._nav_ziauf_147::-webkit-scrollbar{width:4px}._nav_ziauf_147::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:4px}._weekBlock_ziauf_156{margin-bottom:8px}._weekBtn_ziauf_160{display:flex;align-items:center;gap:8px;width:100%;padding:12px;background:#ffffff05;border:1px solid rgba(255,255,255,.05);border-radius:8px;color:#f8fafc;font-weight:600;cursor:pointer;transition:all .2s}._weekBtn_ziauf_160:hover{background:#ffffff0d}._weekBtnActive_ziauf_179{background:#38bdf80d;border-color:#38bdf833;color:#38bdf8}._dayList_ziauf_185{padding:8px 0 8px 16px;display:flex;flex-direction:column;gap:4px}._dayBtn_ziauf_192{width:100%;text-align:left;padding:8px 12px;background:transparent;border:none;color:#cbd5e1;font-size:.9rem;font-weight:500;cursor:pointer;border-radius:6px;transition:all .2s}._dayBtn_ziauf_192:hover{background:#ffffff05;color:#f8fafc}._dayBtnActive_ziauf_211{color:#38bdf8;font-weight:600}._lessonList_ziauf_216{padding:4px 0 4px 12px;display:flex;flex-direction:column;gap:4px;border-left:1px solid rgba(255,255,255,.1);margin-left:12px}._lessonBtn_ziauf_225{display:flex;align-items:center;gap:8px;width:100%;padding:8px;background:transparent;border:none;border-radius:6px;cursor:pointer;transition:all .2s;text-align:left}._lessonBtn_ziauf_225:hover{background:#ffffff0d}._lessonBtnActive_ziauf_243{background:#ffffff1a}._lessonName_ziauf_247{font-size:.85rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}._statusPassed_ziauf_254{color:#22c55e}._statusPassed_ziauf_254 ._lessonIcon_ziauf_255{filter:drop-shadow(0 0 4px rgba(34,197,94,.5))}._statusPending_ziauf_257{color:#fb923c;font-weight:600}._statusPending_ziauf_257 ._lessonIcon_ziauf_255{filter:drop-shadow(0 0 4px rgba(251,146,60,.5))}._statusRetake_ziauf_260{color:#ef4444}._statusRetake_ziauf_260 ._lessonIcon_ziauf_255{filter:drop-shadow(0 0 4px rgba(239,68,68,.5))}._statusNeutral_ziauf_263{color:#64748b}._mainContent_ziauf_266{flex:1;position:relative;background:transparent;display:flex;flex-direction:column}._gradingColumn_ziauf_274{flex:1;display:flex;flex-direction:column;height:100%;padding:1.5rem}._reviewSection_ziauf_282{flex:1;background:#0f172a99;-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);border:1px solid rgba(255,255,255,.05);border-radius:24px;box-shadow:0 10px 40px #00000080,inset 0 1px 1px #ffffff0d;overflow:hidden;display:flex;flex-direction:column}._emptyState_ziauf_295{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#64748b;text-align:center;padding:2rem}._emptyState_ziauf_295 h3{font-size:1.5rem;color:#f8fafc;margin:0 0 12px}._emptySubmission_ziauf_312{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#94a3b8;gap:16px}._container_pkz6k_1{padding:var(--spacing-xl);max-width:1200px;margin:0 auto}._header_pkz6k_7{margin-bottom:var(--spacing-2xl)}._title_pkz6k_11{font-size:2.25rem;font-weight:800;color:var(--color-text-primary);margin-bottom:var(--spacing-sm);letter-spacing:-.02em}._subtitle_pkz6k_19{color:var(--color-text-secondary);font-size:1.1rem;font-weight:500}._grid_pkz6k_25{display:grid;grid-template-columns:1fr;gap:var(--spacing-xl)}@media(min-width:1024px){._grid_pkz6k_25{grid-template-columns:1fr 1fr}}._panel_pkz6k_37{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--spacing-xl);box-shadow:var(--shadow-md);position:relative;overflow:hidden}._panel_pkz6k_37:before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--color-primary),var(--color-accent));opacity:.8}._panelHeader_pkz6k_58{display:flex;align-items:center;gap:var(--spacing-sm);margin-bottom:var(--spacing-lg);color:var(--color-primary);font-size:1.25rem;font-weight:800;letter-spacing:-.01em}._formGroup_pkz6k_69{margin-bottom:var(--spacing-md);display:flex;flex-direction:column;gap:var(--spacing-sm)}._label_pkz6k_76{font-size:.95rem;font-weight:700;color:var(--color-text-primary)}._input_pkz6k_82{width:100%;padding:var(--spacing-md);border-radius:var(--radius-md);background:var(--color-bg-page);border:1px solid var(--color-border);color:var(--color-text-primary);font-family:inherit;font-size:.95rem;transition:all var(--transition-fast);box-shadow:inset 0 2px 4px #00000005}._input_pkz6k_82:focus{outline:none;background:var(--color-bg-card);border-color:var(--color-border-focus);box-shadow:0 0 0 3px var(--color-bg-highlight)}._submitBtn_pkz6k_102{width:100%;padding:var(--spacing-md);border-radius:var(--radius-md);background:var(--color-primary);color:var(--color-text-inverse);font-weight:700;font-size:1.05rem;border:none;cursor:pointer;transition:all var(--transition-base);margin-top:var(--spacing-md);box-shadow:0 4px 12px #b9333740}._submitBtn_pkz6k_102:hover{background:var(--color-primary-hover);transform:translateY(-2px);box-shadow:0 6px 16px #b9333759}._submitBtn_pkz6k_102:active{transform:translateY(0);box-shadow:0 2px 8px #b9333733}._submitBtn_pkz6k_102:disabled{background:var(--color-border);color:var(--color-text-muted);cursor:not-allowed;transform:none;box-shadow:none}._historyList_pkz6k_136{display:flex;flex-direction:column;gap:var(--spacing-md)}._historyCard_pkz6k_142{background:var(--color-bg-page);border-radius:var(--radius-lg);padding:var(--spacing-md) var(--spacing-lg);border:1px solid var(--color-border);display:flex;flex-direction:column;gap:var(--spacing-xs);transition:all var(--transition-base)}._historyCard_pkz6k_142:hover{background:var(--color-bg-card);box-shadow:var(--shadow-sm);border-color:var(--color-border-focus);transform:translateY(-2px)}._historyHeader_pkz6k_160{display:flex;justify-content:space-between;align-items:center}._studentName_pkz6k_166{font-weight:700;color:var(--color-text-primary);font-size:1.05rem}._time_pkz6k_172{font-size:.85rem;color:var(--color-text-muted);font-weight:500}._weekTag_pkz6k_178{align-self:flex-start;background:var(--color-bg-highlight);color:var(--color-primary);padding:4px 10px;border-radius:var(--radius-full);font-size:.75rem;font-weight:700;margin-top:4px}._videoLink_pkz6k_189{color:#3b82f6;font-size:.9rem;text-decoration:none;margin-top:8px;word-break:break-all;font-weight:500}._videoLink_pkz6k_189:hover{text-decoration:underline;color:#2563eb}._emptyState_pkz6k_203{text-align:center;padding:var(--spacing-2xl) 0;color:var(--color-text-muted);font-weight:500}._container_12c5j_1{min-height:100vh;background:var(--color-bg-page);padding:var(--spacing-xl)}._header_12c5j_7{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-2xl);padding-bottom:var(--spacing-lg);border-bottom:1px solid var(--color-border)}._headerLeft_12c5j_16{display:flex;align-items:center;gap:var(--spacing-md)}._logoWrapper_12c5j_22{position:relative;width:48px;height:48px}._logoImage_12c5j_28{width:100%;height:100%;object-fit:contain;position:relative;z-index:1}._title_12c5j_36{font-size:1.5rem;font-weight:800;color:var(--color-text-primary);margin:0}._subtitle_12c5j_43{font-size:.9rem;color:var(--color-text-secondary);margin:0}._logoutBtn_12c5j_49{display:flex;align-items:center;gap:var(--spacing-sm);padding:8px 16px;background:rgba(2ef,68,68,.1);color:#ef4444;border:1px solid rgba(2ef,68,68,.2);border-radius:var(--radius-md);font-weight:600;cursor:pointer;transition:all var(--transition-fast)}._logoutBtn_12c5j_49:hover{background:rgba(2ef,68,68,.2)}._statsGrid_12c5j_67{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--spacing-lg);margin-bottom:var(--spacing-2xl)}._statCard_12c5j_74{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-lg);display:flex;align-items:center;gap:var(--spacing-lg)}._statIcon_12c5j_84{width:56px;height:56px;border-radius:50%;background:rgba(var(--color-primary-rgb),.1);color:var(--color-primary);display:flex;align-items:center;justify-content:center}._statInfo_12c5j_95 h3{font-size:.9rem;color:var(--color-text-secondary);margin:0 0 var(--spacing-xs) 0}._statValue_12c5j_101{font-size:2rem;font-weight:800;color:var(--color-text-primary);margin:0}._section_12c5j_108 h2{font-size:1.25rem;color:var(--color-text-primary);margin-bottom:var(--spacing-lg)}._tableCard_12c5j_114{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden}._table_12c5j_114{width:100%;border-collapse:collapse}._table_12c5j_114 th,._table_12c5j_114 td{padding:var(--spacing-md) var(--spacing-lg);text-align:left;border-bottom:1px solid var(--color-border)}._table_12c5j_114 th{background:#00000005;font-weight:600;color:var(--color-text-secondary);font-size:.9rem}._table_12c5j_114 td{color:var(--color-text-primary)}._warning_12c5j_143{color:#f59e0b!important;font-weight:700}._good_12c5j_148{color:#10b981!important;font-weight:700}._container_1jutv_1{min-height:100vh;display:flex;align-items:center;justify-content:center;background-color:#0f172a;position:relative;overflow:hidden;font-family:Inter,sans-serif}._ambientLight1_1jutv_12{position:absolute;top:-20%;left:-10%;width:60%;height:60%;background:radial-gradient(circle,#38bdf826,#0f172a00 70%);filter:blur(80px);z-index:1}._ambientLight2_1jutv_23{position:absolute;bottom:-20%;right:-10%;width:60%;height:60%;background:radial-gradient(circle,#a855f726,#0f172a00 70%);filter:blur(80px);z-index:1}._glassCard_1jutv_34{position:relative;z-index:10;width:100%;max-width:460px;background:#1e293b99;-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);border:1px solid rgba(255,255,255,.08);border-radius:32px;padding:3rem 2.5rem;box-shadow:0 25px 50px -12px #00000080,inset 0 1px 1px #ffffff1a;display:flex;flex-direction:column;align-items:center}._logoWrapper_1jutv_51{position:relative;margin-bottom:1.5rem}._logoGlow_1jutv_56{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:120%;height:120%;background:#38bdf866;filter:blur(30px);border-radius:50%;z-index:1}._logoImage_1jutv_69{position:relative;z-index:2;width:72px;height:72px;border-radius:20px;box-shadow:0 10px 25px #0003;border:1px solid rgba(255,255,255,.1)}._headerText_1jutv_79{text-align:center;margin-bottom:2rem}._title_1jutv_84{color:#f8fafc;font-size:2rem;font-weight:800;letter-spacing:-.03em;margin:0 0 .5rem;background:linear-gradient(135deg,#fff,#cbd5e1);-webkit-background-clip:text;-webkit-text-fill-color:transparent}._subtitle_1jutv_95{color:#94a3b8;font-size:1rem;font-weight:500;margin:0}._formSection_1jutv_102{width:100%}._roleToggle_1jutv_106{display:flex;background:#0f172a80;border-radius:9999px;padding:6px;margin-bottom:1.5rem;border:1px solid rgba(255,255,255,.05)}._roleBtn_1jutv_115{flex:1;background:transparent;border:none;color:#94a3b8;padding:.75rem 1rem;border-radius:9999px;font-weight:600;cursor:pointer;transition:all .3s ease;font-size:.95rem}._activeRole_1jutv_128{background:#38bdf8;color:#0f172a;box-shadow:0 4px 12px #38bdf840}._errorMessage_1jutv_134{background:#ef44441a;color:#fca5a5;padding:.75rem 1rem;border-radius:12px;border:1px solid rgba(239,68,68,.2);margin-bottom:1.5rem;font-size:.9rem;text-align:center}._authForm_1jutv_145{display:flex;flex-direction:column;gap:1.25rem}._inputGroup_1jutv_151{display:flex;flex-direction:column;gap:.5rem}._inputGroup_1jutv_151 label{color:#e2e8f0;font-size:.9rem;font-weight:500;display:flex;align-items:center;gap:.4rem}._inputGroup_1jutv_151 input{background:#0f172a66;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:1rem 1.25rem;color:#f8fafc;font-size:1rem;transition:all .3s ease;outline:none}._inputGroup_1jutv_151 input:focus{background:#0f172a99;border-color:#38bdf8;box-shadow:0 0 0 3px #38bdf81a}._inputGroup_1jutv_151 input::placeholder{color:#64748b}._submitBtn_1jutv_187{margin-top:.5rem;background:linear-gradient(135deg,#38bdf8,#0284c7);color:#fff;border:none;border-radius:12px;padding:1.1rem;font-size:1.05rem;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 10px 20px -5px #0284c766;display:flex;align-items:center;justify-content:center;gap:.5rem}._submitBtn_1jutv_187:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 15px 25px -5px #0284c780;background:linear-gradient(135deg,#7dd3fc,#0369a1)}._submitBtn_1jutv_187:disabled{opacity:.7;cursor:not-allowed}._spinner_1jutv_216{animation:_spin_1jutv_216 1s linear infinite}@keyframes _spin_1jutv_216{to{transform:rotate(360deg)}}._switchMode_1jutv_224{margin-top:1.5rem;text-align:center}._switchBtn_1jutv_229{background:transparent;border:none;color:#94a3b8;font-size:.9rem;font-weight:500;cursor:pointer;transition:color .3s ease;text-decoration:underline;text-decoration-color:#94a3b84d;text-underline-offset:4px}._switchBtn_1jutv_229:hover{color:#e2e8f0;text-decoration-color:#e2e8f0}@media(max-width:640px){._glassCard_1jutv_34{padding:2.5rem 1.5rem;margin:1rem;border-radius:24px}}._teacherHeader_1jutv_255{text-align:center;margin-bottom:1.5rem}._teacherTitle_1jutv_256{font-size:1.25rem;font-weight:700;color:#38bdf8}._container_4xy8w_1{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--color-bg-page);padding:var(--spacing-lg)}._card_4xy8w_10{background:var(--color-bg-card);border-radius:var(--radius-lg);border:1px solid var(--color-border);padding:var(--spacing-2xl);max-width:600px;width:100%;box-shadow:0 10px 30px #0000000d}._title_4xy8w_20{font-size:1.5rem;font-weight:800;color:var(--color-text-primary);margin-bottom:var(--spacing-lg);text-align:center}._content_4xy8w_28{font-size:1rem;color:var(--color-text-secondary);line-height:1.6;margin-bottom:var(--spacing-xl)}._content_4xy8w_28 ul{margin-top:var(--spacing-md);padding-left:var(--spacing-lg)}._content_4xy8w_28 li{margin-bottom:var(--spacing-sm)}._content_4xy8w_28 strong{color:var(--color-text-primary)}._actionArea_4xy8w_48{display:flex;flex-direction:column;gap:var(--spacing-lg)}._checkboxLabel_4xy8w_54{display:flex;align-items:center;gap:var(--spacing-sm);cursor:pointer}._checkbox_4xy8w_54{width:20px;height:20px;accent-color:var(--color-primary);cursor:pointer}._checkboxText_4xy8w_68{font-weight:600;color:var(--color-text-primary)}._btn_4xy8w_73{display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:14px 24px;border-radius:var(--radius-md);border:none;font-size:1.1rem;font-weight:700;cursor:not-allowed;background:var(--color-bg-page);color:var(--color-text-tertiary);transition:all var(--transition-fast)}._btnActive_4xy8w_89{background:var(--color-primary);color:#fff;cursor:pointer}._btnActive_4xy8w_89:hover{background:var(--color-primary-hover);transform:translateY(-2px);box-shadow:0 4px 12px #b933374d}