/* Generated by scripts/build_landing_css.mjs. Do not edit directly. */
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255, 0.74);--fc-color-palette-rgba-255-255-255-0p75: rgba(255, 255, 255, 0.75);--fc-color-palette-rgba-255-255-255-0p78: rgba(255, 255, 255, 0.78);--fc-color-palette-rgba-255-255-255-0p82: rgba(255, 255, 255, 0.82);--fc-color-palette-rgba-255-255-255-0p84: rgba(255, 255, 255, 0.84);--fc-color-palette-rgba-255-255-255-0p85: rgba(255, 255, 255, 0.85);--fc-color-palette-rgba-255-255-255-0p86: rgba(255, 255, 255, 0.86);--fc-color-palette-rgba-255-255-255-0p88: rgba(255, 255, 255, 0.88);--fc-color-palette-rgba-255-255-255-0p9: rgba(255, 255, 255, 0.9);--fc-color-palette-rgba-255-255-255-0p92: rgba(255, 255, 255, 0.92);--fc-color-palette-rgba-255-255-255-0p96: rgba(255, 255, 255, 0.96);--fc-color-palette-rgba-255-255-255-0p97: rgba(255, 255, 255, 0.97);--fc-color-palette-rgba-255-255-255-0p98: rgba(255, 255, 255, 0.98);--fc-color-palette-rgba-255-255-255-1: rgba(255, 255, 255, 1);--fc-color-palette-rgba-33-196-90-0p12: rgba(33, 196, 90, 0.12);--fc-color-palette-rgba-33-196-90-0p2: rgba(33, 196, 90, 0.2);--fc-color-palette-rgba-34-197-94-0p07: rgba(34, 197, 94, 0.07);--fc-color-palette-rgba-34-197-94-0p1: rgba(34, 197, 94, 0.1);--fc-color-palette-rgba-37-99-235-0p06: rgba(37, 99, 235, 0.06);--fc-color-palette-rgba-37-99-235-0p08: rgba(37, 99, 235, 0.08);--fc-color-palette-rgba-47-107-255-0p08: rgba(47, 107, 255, 0.08);--fc-color-palette-rgba-47-107-255-0p1: rgba(47, 107, 255, 0.1);--fc-color-palette-rgba-47-107-255-0p12: rgba(47, 107, 255, 0.12);--fc-color-palette-rgba-47-107-255-0p18: rgba(47, 107, 255, 0.18);--fc-color-palette-rgba-47-107-255-0p26: rgba(47, 107, 255, 0.26);--fc-color-palette-rgba-59-130-246-0p08: rgba(59, 130, 246, 0.08);--fc-color-palette-rgba-59-130-246-0p14: rgba(59, 130, 246, 0.14);--fc-color-palette-rgba-59-130-246-0p28: rgba(59, 130, 246, 0.28);--fc-color-palette-rgba-64-129-255-0p1: rgba(64, 129, 255, 0.1);--fc-color-palette-rgba-64-129-255-0p12: rgba(64, 129, 255, 0.12);--fc-color-palette-rgba-67-126-236-0p1: rgba(67, 126, 236, 0.1);--fc-color-palette-rgba-73-125-215-0p045: rgba(73, 125, 215, 0.045);--fc-color-palette-rgba-77-99-133-0p5: rgba(77, 99, 133, 0.5);--fc-color-palette-rgba-8-14-28-0p82: rgba(8, 14, 28, 0.82);--fc-color-palette-rgba-95-135-232-0p02: rgba(95, 135, 232, 0.02);--fc-color-palette-rgba-95-135-232-0p08: rgba(95, 135, 232, 0.08)}:root{--bs-success: var(--fc-color-primary);--bs-success-rgb: 22, 163, 74;--bs-success-text-emphasis: var(--fc-color-palette-0f5132);--bs-success-bg-subtle: var(--fc-color-palette-d7f2e1);--bs-success-border-subtle: var(--fc-color-palette-a9e2bf);--fc-modal-surface: var(--fc-color-surface);--fc-modal-surface-soft: var(--fc-color-palette-f9fbff);--fc-modal-border: var(--fc-color-palette-dfe7f4);--fc-modal-text: var(--fc-color-text);--fc-modal-muted: var(--fc-color-palette-5b6f91);--fc-modal-shadow: 0 16px 40px rgba(var(--fc-color-shadow-strong-rgb), 0.18);--z-base: 1;--z-canvas-overlay: 2;--z-card-raised: 3;--z-annotation: 4;--z-card-controls: 5;--z-card-hover-controls: 6;--z-wb-panel: 7;--z-sticky-bar: 8;--z-local-loader: 9;--z-dropdown: 10;--z-panel-bar: 11;--z-side-panel: 12;--z-panel-resize: 13;--z-navbar: 14;--z-navbar-menu: 15;--z-wb-panel-global: 7;--z-modal: 17;--z-page-loader: 18;--z-toast: 19;--z-drag-ghost: 20}.btn-success{--bs-btn-bg: var(--bs-success);--bs-btn-border-color: var(--bs-success);--bs-btn-hover-bg: var(--fc-color-primary-hover);--bs-btn-hover-border-color: var(--fc-color-primary-hover);--bs-btn-active-bg: var(--fc-color-primary-hover);--bs-btn-active-border-color: var(--fc-color-primary-hover);--bs-btn-disabled-bg: var(--bs-success);--bs-btn-disabled-border-color: var(--bs-success);--bs-btn-focus-shadow-rgb: var(--bs-success-rgb)}.btn-outline-success{--bs-btn-color: var(--bs-success);--bs-btn-border-color: var(--bs-success);--bs-btn-hover-bg: var(--bs-success);--bs-btn-hover-border-color: var(--bs-success);--bs-btn-active-bg: var(--bs-success);--bs-btn-active-border-color: var(--bs-success);--bs-btn-disabled-color: var(--bs-success);--bs-btn-disabled-border-color: var(--bs-success);--bs-btn-focus-shadow-rgb: var(--bs-success-rgb)}html,body{height:100%;margin:0;overflow-wrap:break-word;word-break:break-word}.app-navbar{position:fixed;top:0;left:0;width:100%;z-index:var(--z-navbar);background:var(--fc-color-palette-rgba-255-255-255-0p92);backdrop-filter:blur(10px);border-bottom:1px solid var(--fc-color-palette-e3eaf4);box-shadow:0 6px 18px rgba(var(--fc-color-shadow-strong-rgb), 0.045);padding-top:.3rem;padding-bottom:.3rem}.app-navbar-inner{min-height:52px;display:flex;align-items:center;justify-content:space-between;gap:12px}.app-brand{display:inline-flex;align-items:center;gap:.55rem;color:var(--fc-color-text);font-weight:700;text-decoration:none;margin:0}.app-brand:hover,.app-brand:active,.app-brand:focus{color:var(--fc-color-text)}.app-brand-mark{width:30px;height:30px;border-radius:10px;background:linear-gradient(135deg, var(--fc-color-palette-22c55e) 0%, var(--fc-color-primary) 100%);color:var(--fc-color-on-primary);display:inline-flex;align-items:center;justify-content:center;font-size:1.05rem}.app-brand-icon{width:30px;height:30px;flex:0 0 30px;object-fit:contain;border-radius:10px}.app-brand--icon-only .app-brand-icon{width:auto;max-width:min(240px,100vw - 2rem);flex-basis:auto;border-radius:0}.app-nav-actions{display:inline-flex;align-items:center;gap:.55rem}.app-nav-link{color:var(--fc-color-palette-2f5f3f);text-decoration:none;border:1px solid var(--fc-color-palette-cfe9d6);background:var(--fc-color-palette-f4fcf7);font-weight:600;display:inline-flex;align-items:center}.app-nav-link:hover{color:var(--fc-color-success-text);background:var(--fc-color-palette-e9f9ef)}.app-user-badge{border:1px solid var(--fc-color-palette-d7e1ef);background:var(--fc-color-surface);color:var(--fc-color-palette-4a5f81);font-weight:600;display:inline-flex;align-items:center}.app-user-badge-btn{cursor:pointer;font:inherit;line-height:inherit}.app-home-account{position:relative;display:inline-flex;align-items:center}.app-home-logout-btn{white-space:nowrap;position:absolute;top:calc(100% + 8px);right:0;z-index:var(--z-navbar-menu);min-height:36px;padding:.45rem .82rem;border-radius:12px;border:1px solid var(--fc-color-palette-f2c4c4);background:var(--fc-color-palette-fff4f4);color:var(--fc-color-palette-b42318);box-shadow:0 10px 24px rgba(var(--fc-color-shadow-strong-rgb), 0.14)}.app-home-logout-btn:hover{background:var(--fc-color-palette-ffe8e8);border-color:var(--fc-color-palette-eaa2a2);color:var(--fc-color-palette-8f1d1d)}.app-main{padding-top:60px}.app-main-preview{padding-top:0}@media(max-width: 1199.98px){main.app-main-preview{padding-top:64px}}main{flex:1 0 auto}footer{flex-shrink:0}.app-footer{padding:.9rem 0;color:var(--fc-color-palette-7b8798);background:var(--fc-color-palette-rgba-255-255-255-0p66);font-size:.73rem;line-height:1.45}.app-footer__inner{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:.35rem .85rem;text-align:center}.app-footer__links{display:inline-flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:.2rem .65rem}.app-footer__links a{color:var(--fc-color-palette-65758d);text-decoration-color:var(--fc-color-palette-c5d0df);text-underline-offset:.16em}.app-footer__links a:hover,.app-footer__links a:focus-visible{color:var(--fc-color-palette-1f6f43)}.app-footer__requisites{color:var(--fc-color-palette-94a0b1)}@media(max-width: 576px){.app-footer{padding:.65rem 0}.app-footer__inner{gap:.15rem .45rem}.app-footer__links{gap:0}.app-footer__links a{display:inline-flex;align-items:center;min-height:32px;padding:0 .3rem}.app-footer__requisites{flex-basis:100%}}.modal-backdrop{--bs-backdrop-bg: var(--fc-color-palette-13223f);--bs-backdrop-opacity: 0.34;z-index:calc(var(--z-modal) - 1)}.modal{z-index:var(--z-modal)}.offcanvas-backdrop{z-index:calc(var(--z-modal) - 1)}.offcanvas{--bs-offcanvas-zindex: var(--z-modal)}.modal:not(#whiteboardModal) .modal-dialog{padding-left:8px;padding-right:8px}.modal:not(#whiteboardModal) .modal-content{border:0;border-radius:18px;background:linear-gradient(180deg, var(--fc-modal-surface) 0%, var(--fc-modal-surface-soft) 100%);box-shadow:var(--fc-modal-shadow);overflow:hidden}.modal:not(#whiteboardModal) .modal-header{border-bottom:0;padding:1rem 1.15rem .45rem}.modal:not(#whiteboardModal) .modal-title{color:var(--fc-modal-text);font-weight:700;letter-spacing:.01em}.modal:not(#whiteboardModal) .modal-body{padding:.8rem 1.15rem 1rem}.modal:not(#whiteboardModal) .modal-footer{border-top:0;padding:.45rem 1.15rem 1.05rem}.modal:not(#whiteboardModal) .form-control,.modal:not(#whiteboardModal) .form-select,.modal:not(#whiteboardModal) textarea.form-control{border-color:var(--fc-color-palette-d6e0ef);border-radius:11px;box-shadow:none;color:var(--fc-modal-text);background-color:var(--fc-color-surface)}.modal:not(#whiteboardModal) .form-control:focus,.modal:not(#whiteboardModal) .form-select:focus,.modal:not(#whiteboardModal) textarea.form-control:focus{border-color:var(--fc-color-palette-9dbef7);box-shadow:0 0 0 .2rem rgba(var(--fc-color-shadow-info-rgb), 0.16)}.modal:not(#whiteboardModal) .text-muted,.modal:not(#whiteboardModal) .small.text-muted,.modal:not(#whiteboardModal) .form-label.text-muted{color:var(--fc-modal-muted) !important}.modal:not(#whiteboardModal) .btn-primary{border-radius:12px;font-weight:600}.modal:not(#whiteboardModal) .btn-light,.modal:not(#whiteboardModal) .btn-outline-secondary,.modal:not(#whiteboardModal) .btn-secondary{border-radius:12px}.modal:not(#whiteboardModal) .modal-content::before{content:"";display:block;height:1px;background:linear-gradient(90deg, transparent 0%, var(--fc-color-palette-e6edf9) 18%, var(--fc-color-palette-e6edf9) 82%, transparent 100%)}.teacher-conflict-dialog{max-width:520px}.modal:not(#whiteboardModal) .modal-content.teacher-conflict-card{position:relative;border:1px solid var(--fc-color-palette-dbe6f3);background:radial-gradient(circle at top right, var(--fc-color-palette-rgba-22-163-74-0p12), transparent 34%),linear-gradient(180deg, var(--fc-color-surface) 0%, var(--fc-color-palette-f7fbff) 100%)}.modal:not(#whiteboardModal) .modal-content.teacher-conflict-card::before{content:none;display:none}.teacher-conflict-hero{position:relative;margin-top:-1px;min-height:132px;background:linear-gradient(135deg, var(--fc-color-palette-rgba-22-163-74-0p14), var(--fc-color-palette-rgba-59-130-246-0p08));border-bottom:1px solid var(--fc-color-palette-e4edf9);overflow:hidden}.teacher-conflict-hero__orb{position:absolute;border-radius:999px;filter:blur(2px);opacity:.75}.teacher-conflict-hero__orb--one{width:126px;height:126px;right:-26px;top:-30px;background:var(--fc-color-palette-rgba-22-163-74-0p16)}.teacher-conflict-hero__orb--two{width:82px;height:82px;left:-18px;bottom:-20px;background:var(--fc-color-palette-rgba-59-130-246-0p14)}.teacher-conflict-hero__icon{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}.teacher-conflict-hero__icon i{width:62px;height:62px;border-radius:20px;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg, var(--fc-color-primary) 0%, var(--fc-color-palette-22c55e) 100%);color:var(--fc-color-on-primary);font-size:1.6rem;box-shadow:0 14px 30px rgba(var(--fc-color-shadow-brand-rgb), 0.28)}.teacher-conflict-body{padding:1.15rem 1.2rem 1.2rem}.teacher-conflict-title{color:var(--fc-modal-text);font-weight:800;font-size:1.15rem;line-height:1.25}.teacher-conflict-text{color:var(--fc-modal-muted);line-height:1.55;font-size:.98rem}.teacher-conflict-actions{display:flex;flex-direction:column;gap:.72rem}.teacher-conflict-action{min-height:44px;width:100%;border-radius:14px;font-weight:700}.teacher-conflict-action--secondary{--bs-btn-bg: var(--fc-color-palette-f4f7fb);--bs-btn-border-color: var(--fc-color-palette-d6e0ef);--bs-btn-color: var(--fc-color-palette-314866);--bs-btn-hover-bg: var(--fc-color-palette-eef3f9);--bs-btn-hover-border-color: var(--fc-color-palette-c9d5e6);--bs-btn-hover-color: var(--fc-color-text);--bs-btn-active-bg: var(--fc-color-palette-eef3f9);--bs-btn-active-border-color: var(--fc-color-palette-c9d5e6);--bs-btn-active-color: var(--fc-color-text);color:var(--fc-color-palette-314866);background:var(--fc-color-palette-f4f7fb);border-color:var(--fc-color-palette-d6e0ef);display:inline-flex;align-items:center;justify-content:center;line-height:1}.teacher-conflict-action--primary{--bs-btn-bg: var(--fc-color-palette-effaf3);--bs-btn-border-color: var(--fc-color-palette-cfe9d6);--bs-btn-color: var(--fc-color-success-text);--bs-btn-hover-bg: var(--fc-color-palette-e7f7ec);--bs-btn-hover-border-color: var(--fc-color-palette-bedec9);--bs-btn-hover-color: var(--fc-color-palette-14532d);--bs-btn-active-bg: var(--fc-color-palette-e7f7ec);--bs-btn-active-border-color: var(--fc-color-palette-bedec9);--bs-btn-active-color: var(--fc-color-palette-14532d);border:1px solid var(--fc-color-palette-cfe9d6);background:var(--fc-color-palette-effaf3);color:var(--fc-color-success-text);box-shadow:none;justify-content:center;text-align:center;gap:.35rem}.teacher-conflict-action--primary:hover{background:var(--fc-color-palette-e7f7ec);border-color:var(--fc-color-palette-bedec9);color:var(--fc-color-palette-14532d)}.teacher-conflict-action--secondary:hover{background:var(--fc-color-palette-eef3f9);color:var(--fc-color-text);border-color:var(--fc-color-palette-c9d5e6)}#lessonCsatModal .lesson-csat-dialog{max-width:420px}#lessonCsatModal .lesson-csat-content{border-radius:20px}#lessonCsatModal .lesson-csat-title{font-size:1.06rem;font-weight:700;color:var(--fc-color-palette-1e2f4e)}#lessonCsatModal .lesson-csat-question{font-size:.95rem;line-height:1.45;color:var(--fc-color-palette-516486)}#lessonCsatModal .lesson-csat-stars{display:flex;width:100%;gap:.35rem}#lessonCsatModal .lesson-csat-star-btn{flex:1;border:1px solid var(--fc-color-palette-d8e3f4);background:var(--fc-color-surface);color:var(--fc-color-palette-b7c1d2);padding:.2rem 0;border-radius:12px;transition:transform .15s ease,border-color .15s ease,background .15s ease,color .15s ease}#lessonCsatModal .lesson-csat-star-btn:hover,#lessonCsatModal .lesson-csat-star-btn:focus-visible{background:var(--fc-color-palette-f5f8ff);border-color:var(--fc-color-palette-bfd2f7);color:var(--fc-color-palette-7f95ba);outline:none;transform:translateY(-1px)}#lessonCsatModal .lesson-csat-star-btn.is-selected{border-color:var(--fc-color-palette-f6d079);background:var(--fc-color-palette-fff8e7);color:var(--fc-color-palette-f2c94c)}#lessonCsatModal .lesson-csat-star-icon{font-size:clamp(1.8rem,5.2vw,2.1rem);line-height:1;filter:drop-shadow(0 2px 4px rgba(var(--fc-color-shadow-rgb), 0.18))}#lessonCsatModal .lesson-csat-comment{border-radius:12px;border-color:var(--fc-color-palette-d5e1f2);font-size:.93rem}#lessonCsatModal .lesson-csat-comment:focus{border-color:var(--fc-color-palette-9dbef7);box-shadow:0 0 0 .2rem rgba(var(--fc-color-shadow-info-rgb), 0.16)}.section-title{font-weight:600;margin-bottom:1rem}.confirm-action-overlay{position:fixed;inset:0;z-index:calc(var(--z-modal) + 1);display:flex;align-items:center;justify-content:center;padding:16px;background:var(--fc-color-palette-rgba-16-36-75-0p34);backdrop-filter:blur(3px)}.confirm-action-modal{width:min(380px,100%);border-radius:18px;border:1px solid var(--fc-color-palette-dce6f6);background:var(--fc-color-surface);box-shadow:0 14px 36px rgba(var(--fc-color-shadow-strong-rgb), 0.16);padding:18px 18px 16px;text-align:center}.confirm-action-message{margin-bottom:14px;color:var(--fc-color-text);font-size:.95rem;line-height:1.45;font-weight:600}.confirm-action-actions{display:flex;justify-content:center;gap:10px}.confirm-action-btn{min-height:38px;min-width:94px;border-radius:999px;font-size:.86rem;font-weight:700;padding:.36rem .95rem;border:1px solid rgba(0,0,0,0)}.confirm-action-btn-confirm{background:var(--fc-color-primary);border-color:var(--fc-color-primary);color:var(--fc-color-on-primary)}.confirm-action-btn-confirm:hover{background:var(--fc-color-primary-hover);border-color:var(--fc-color-primary-hover);color:var(--fc-color-on-primary)}.confirm-action-btn-cancel{background:var(--fc-color-surface);border-color:var(--fc-color-palette-d7e1ef);color:var(--fc-color-palette-4a5f81)}.confirm-action-btn-cancel:hover{background:var(--fc-color-palette-f8fbff);border-color:var(--fc-color-palette-cdd9ea);color:var(--fc-color-palette-2f4568)}.confirm-action-btn:focus-visible{outline:2px solid var(--fc-color-palette-73b5ff);outline-offset:2px}.drag-handle{cursor:grab;user-select:none}.drag-handle:active{cursor:grabbing}@media(max-width: 575.98px){.app-navbar-inner{min-height:42px}.app-brand{font-size:.96rem}.app-brand-mark{width:24px;height:24px;padding:5px;font-size:.85rem;border-radius:9px}.app-brand-icon{width:24px;height:24px;flex-basis:24px;border-radius:9px}.app-brand--icon-only .app-brand-icon{max-width:calc(100vw - 2rem)}.app-nav-link{font-size:.8rem}.app-user-badge{display:inline-flex}.app-main{padding-top:60px}.modal:not(#whiteboardModal) .modal-content{border-radius:16px}.modal:not(#whiteboardModal) .modal-header{padding:.9rem .9rem .35rem}.modal:not(#whiteboardModal) .modal-body{padding:.7rem .9rem .9rem}.modal:not(#whiteboardModal) .modal-footer{padding:.35rem .9rem .9rem}.confirm-action-modal{width:min(360px,100%);border-radius:16px;padding:15px 14px 14px}.confirm-action-message{font-size:.9rem;margin-bottom:12px}.confirm-action-actions{gap:8px}.confirm-action-btn{min-width:86px}}.fc-cookie-consent{position:fixed;right:1rem;bottom:1rem;left:1rem;z-index:1080;max-width:720px;margin:0 auto;padding:.8rem .95rem;border:1px solid var(--fc-color-palette-dfe7f4);border-radius:15px;background:var(--fc-color-palette-rgba-255-255-255-0p97);box-shadow:0 10px 30px rgba(var(--fc-color-shadow-rgb), 0.13);backdrop-filter:blur(12px)}.fc-cookie-consent__content{display:flex;align-items:center;justify-content:space-between;gap:1rem}.fc-cookie-consent__text{color:var(--fc-color-palette-52647e);font-size:.78rem;line-height:1.4}.fc-cookie-consent__text a{color:var(--fc-color-palette-376eae);font-weight:700;text-decoration:underline;text-underline-offset:2px}.fc-cookie-consent__actions{display:flex;flex:0 0 auto;gap:.45rem}.fc-cookie-consent__button{min-width:6.3rem;padding:.42rem .7rem;border:1px solid rgba(0,0,0,0);border-radius:9px;font:inherit;font-size:.74rem;font-weight:700;cursor:pointer;transition:background-color .15s ease,border-color .15s ease,color .15s ease}.fc-cookie-consent__button--primary{color:var(--fc-color-on-primary);background:var(--fc-color-primary)}.fc-cookie-consent__button--primary:hover{background:var(--fc-color-palette-12843c)}.fc-cookie-consent__button--secondary{color:var(--fc-color-palette-5f7089);border-color:var(--fc-color-palette-d7e2f0);background:var(--fc-color-surface-soft)}.fc-cookie-consent__button--secondary:hover{color:var(--fc-color-palette-40536e);border-color:var(--fc-color-palette-c5d3e5);background:var(--fc-color-palette-f1f5f9)}@media(max-width: 575.98px){.fc-cookie-consent{right:.7rem;bottom:.7rem;left:.7rem}.fc-cookie-consent__content{align-items:stretch;flex-direction:column;gap:.65rem}.fc-cookie-consent__actions{width:auto;justify-content:flex-end}.fc-cookie-consent__button{min-width:auto;padding:.36rem .62rem}}:root{--fc-bg: var(--fc-color-surface);--fc-surface: var(--fc-color-surface);--fc-surface-soft: var(--fc-color-palette-f8fbff);--fc-border: var(--fc-color-palette-dfe7f5);--fc-text: var(--fc-color-palette-122b5c);--fc-text-soft: var(--fc-color-palette-5c6f92);--fc-blue: var(--fc-color-info);--fc-green: var(--fc-color-primary);--fc-green-soft: var(--fc-color-palette-eaf8ef);--fc-red: var(--fc-color-palette-e05555);--fc-red-soft: var(--fc-color-palette-fff1f1);--fc-purple-soft: var(--fc-color-palette-f1e8ff);--fc-shadow: 0 8px 24px rgba(var(--fc-color-shadow-strong-rgb), 0.06);--fc-radius-xl: 22px}body{background:var(--fc-bg);color:var(--fc-text);font-family:"Montserrat Landing","Montserrat","Segoe UI","Helvetica","Arial",sans-serif}.fc-icon{display:inline-block;width:1em;height:1em;flex:0 0 auto;fill:currentColor;vertical-align:-0.125em}.app-main{max-width:1200px}.fc-login-btn{border:1px solid var(--fc-border);border-radius:999px;padding:.5rem .85rem;font-weight:700;font-size:.86rem;color:var(--fc-text);background:var(--fc-color-surface);transition:.2s ease}.fc-login-btn:hover{background:var(--fc-surface-soft);border-color:var(--fc-color-palette-ced9f0)}.fc-section{padding:46px 0}.fc-card{background:var(--fc-color-surface);border:1px solid var(--fc-color-palette-dfe8f7);border-radius:20px;box-shadow:0 10px 28px rgba(var(--fc-color-shadow-strong-rgb), 0.055)}.fc-hero{padding:28px;background:linear-gradient(165deg, var(--fc-color-palette-f7faff) 0%, var(--fc-color-palette-f2f7ff) 100%);position:relative;border-radius:22px}.fc-hero-title{font-size:clamp(2.1rem,4vw,4.1rem);line-height:1.04;font-weight:800;letter-spacing:-0.03em;margin-bottom:1rem;max-width:560px}.fc-hero-title-accent{color:var(--fc-color-info-text)}.fc-hero-rocket{width:.9em;height:.9em;vertical-align:-0.06em;margin-left:.12em}.fc-hero-subtitle{font-size:1.24rem;line-height:1.45;color:var(--fc-text);max-width:470px;margin-bottom:1.4rem}.fc-primary-btn{display:inline-flex;align-items:center;gap:.7rem;min-height:54px;padding:0 1.3rem;border-radius:14px;background:linear-gradient(180deg, var(--fc-color-palette-22c55e) 0%, var(--fc-color-primary) 100%);color:var(--fc-color-on-primary);font-weight:700;font-size:1rem;box-shadow:0 10px 24px rgba(var(--fc-color-shadow-brand-rgb), 0.2);border:0;transition:.2s ease;text-decoration:none}.fc-primary-btn:hover{color:var(--fc-color-on-primary);transform:translateY(-1px);background:linear-gradient(180deg, var(--fc-color-palette-1fb455) 0%, var(--fc-color-primary-hover) 100%)}.fc-primary-btn:disabled{opacity:.75}.fc-primary-btn--full{width:100%;justify-content:center}.fc-secondary-btn{display:inline-flex;align-items:center;justify-content:center;gap:.6rem;min-height:54px;padding:0 1.25rem;border-radius:14px;background:var(--fc-color-palette-eef2f7);color:var(--fc-color-palette-31435f);font-weight:700;font-size:1rem;border:1px solid var(--fc-color-palette-d6dfec);transition:.2s ease}.fc-secondary-btn:hover{background:var(--fc-color-palette-e3e9f2);color:var(--fc-color-palette-20324f)}.fc-landing-hero{height:920px;min-height:920px;display:flex;justify-content:center;align-items:center;padding-top:0;padding-bottom:0;position:relative;overflow:hidden;background:var(--fc-color-surface);padding:0;width:100vw;margin-left:calc(50% - 50vw);margin-right:calc(50% - 50vw)}.fc-landing-hero::before{content:"";position:absolute;inset:auto -10% -18% -10%;height:34%;background-image:linear-gradient(var(--fc-color-palette-rgba-73-125-215-0p045) 1px, transparent 1px),linear-gradient(90deg, var(--fc-color-palette-rgba-73-125-215-0p045) 1px, transparent 1px);background-size:64px 64px;transform:perspective(620px) rotateX(58deg);transform-origin:bottom;mask-image:linear-gradient(to top, var(--fc-color-palette-000000), transparent);z-index:0;pointer-events:none}.fc-landing-hero::after{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 11% 22%, var(--fc-color-palette-rgba-47-107-255-0p12) 0 3px, transparent 4px),radial-gradient(circle at 84% 18%, var(--fc-color-palette-rgba-47-107-255-0p1) 0 2px, transparent 3px),radial-gradient(circle at 17% 76%, var(--fc-color-palette-rgba-33-196-90-0p12) 0 3px, transparent 4px),radial-gradient(circle at 74% 70%, var(--fc-color-palette-rgba-255-189-35-0p12) 0 3px, transparent 4px),radial-gradient(circle at 90% 42%, var(--fc-color-palette-rgba-47-107-255-0p08) 0 4px, transparent 5px);z-index:0;pointer-events:none}.fc-landing-hero-copy{width:min(680px,100%);margin:0 auto;text-align:center;position:relative;z-index:5}.fc-landing-hero-eyebrow{display:inline-flex;align-items:center;padding:.32rem .78rem;border-radius:999px;border:1px solid var(--fc-color-palette-d7e2f3);background:var(--fc-color-palette-f6f9ff);color:var(--fc-color-palette-48608a);font-size:.82rem;font-weight:700;margin-bottom:.9rem}.fc-landing-hero-title{color:var(--fc-color-palette-102754);font-size:clamp(2rem,4vw,3.7rem);line-height:1.02;font-weight:900;margin-bottom:1rem}.fc-landing-hero-text{color:var(--fc-color-palette-52678f);font-size:1.12rem;line-height:1.5;margin-bottom:1.35rem}.fc-landing-hero-actions{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}.fc-hero-mobile-features{display:none}.fc-hero-live-layer{position:absolute;inset:0;pointer-events:none;z-index:1}.fc-hero-orbit{position:absolute;width:min(980px,78vw);aspect-ratio:1.9;border:1px solid var(--fc-color-palette-rgba-64-129-255-0p12);border-radius:50%;transform:rotate(-5deg);top:52%;left:50%;translate:-50% -52%}.fc-hero-orbit::after{content:"";position:absolute;inset:7%;border:1px dashed var(--fc-color-palette-rgba-64-129-255-0p1);border-radius:50%}.fc-hero-particle{position:absolute;width:10px;height:10px;border-radius:50%;background:var(--fc-color-palette-rgba-47-107-255-0p18);animation:fcDrift 9s ease-in-out infinite;z-index:0}.fc-hero-particle.p1{top:4%;right:8%}.fc-hero-particle.p2{top:31%;left:17%;background:var(--fc-color-palette-rgba-255-189-35-0p32);animation-delay:-2s}.fc-hero-particle.p3{bottom:10%;right:15%;background:var(--fc-color-palette-rgba-33-196-90-0p2);animation-delay:-4s}.fc-hero-particle.p4{bottom:11%;left:12%;background:var(--fc-color-palette-rgba-47-107-255-0p26);animation-delay:-6s}.fc-hero-bubble-icon{position:absolute;z-index:3;width:42px;height:42px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:var(--fc-color-palette-rgba-255-255-255-0p9);border:1px solid var(--fc-color-palette-rgba-178-199-234-0p48);color:var(--fc-color-palette-2f6bff);font-size:1.05rem;animation:fcFloat 5.8s ease-in-out infinite}.fc-hero-bubble-icon.i1{top:8%;left:24%;color:var(--fc-color-palette-776bff);animation-delay:-0.6s}.fc-hero-bubble-icon.i2{bottom:14%;left:50%;transform:translateX(-50%);color:var(--fc-color-palette-6db4ff);animation-delay:-1.2s}.fc-hero-bubble-icon.i3{top:22%;right:36%;color:var(--fc-color-palette-2f6bff);animation-delay:-2s}.fc-hero-bubble-icon.i4{bottom:25%;right:11%;color:var(--fc-color-palette-22b25a);animation-delay:-3s}.fc-hero-float-card{position:absolute;border:1px solid var(--fc-color-palette-d9e3f3);border-radius:20px;background:var(--fc-color-surface);box-shadow:0 6px 18px rgba(var(--fc-color-shadow-strong-rgb), 0.06);animation:fcFloat 7s ease-in-out infinite;color:var(--fc-color-palette-172b50);z-index:2}.fc-hero-card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:.95rem;font-weight:800;margin-bottom:12px}.fc-hero-chat-card{top:10%;left:2%;width:250px;padding:16px;animation-delay:-0.8s}.fc-hero-msg{display:grid;grid-template-columns:28px 1fr;gap:9px;margin:10px 0}.fc-hero-avatar{width:28px;height:28px;border-radius:50%;display:block;object-fit:cover;border:1px solid var(--fc-color-palette-d7e2f3)}.fc-hero-bubble{padding:10px 12px;border-radius:14px;background:var(--fc-color-palette-rgba-247-250-255-0p95);font-size:.77rem;line-height:1.35;color:var(--fc-color-palette-233a62)}.fc-hero-chat-input{margin-top:8px;height:34px;border-radius:10px;border:1px solid var(--fc-color-palette-d8e2f2);background:var(--fc-color-palette-rgba-255-255-255-0p84);display:flex;align-items:center;justify-content:space-between;padding:0 10px;color:var(--fc-color-palette-8b9bb8);font-size:.74rem}.fc-hero-video-card{top:7%;right:2%;width:300px;height:196px;padding:0;overflow:hidden;opacity:1;animation-delay:-1.4s}.fc-hero-video-bg{width:100%;height:100%;background:var(--fc-color-palette-102042);position:relative}.fc-hero-video-media,.fc-hero-video-media img{position:absolute;inset:0;display:block;width:100%;height:100%}.fc-hero-video-media img{object-fit:cover;object-position:center}.fc-hero-video-bg::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg, var(--fc-color-palette-rgba-16-32-66-0p28), var(--fc-color-palette-rgba-16-32-66-0p06));pointer-events:none}.fc-hero-video-bg::after{content:"";position:absolute;inset:0;z-index:2;background:var(--fc-color-palette-rgba-255-255-255-0p18);pointer-events:none}.fc-hero-controls{position:absolute;left:50%;bottom:12px;transform:translateX(-50%);display:flex;gap:6px;padding:6px;border-radius:14px;background:var(--fc-color-palette-rgba-11-16-30-0p68);z-index:2}.fc-hero-controls span{width:28px;height:28px;border-radius:9px;background:var(--fc-color-palette-rgba-255-255-255-0p14);display:grid;place-items:center;color:var(--fc-color-on-primary);font-size:.72rem}.fc-hero-controls span.is-end{background:var(--fc-color-palette-ff4f5e)}.fc-hero-task-card{left:3%;bottom:11%;width:246px;padding:16px;animation-delay:-3.1s}.fc-hero-english-task{margin-top:8px;padding:12px;border-radius:12px;background:var(--fc-color-palette-rgba-247-250-255-0p84);color:var(--fc-color-palette-405274);line-height:1.8;font-size:.72rem}.fc-hero-sentence{margin-bottom:8px;line-height:1.45}.fc-hero-gap{display:inline-flex;align-items:center;padding:1px 6px;border-radius:7px;background:var(--fc-color-palette-e8f7ef);border:1px solid var(--fc-color-palette-bde9d1);color:var(--fc-color-palette-10874d);font-weight:700}.fc-hero-gap.is-empty{background:var(--fc-color-palette-eef3fd);border-color:var(--fc-color-palette-d4e1f7);color:var(--fc-color-palette-4c6590)}.fc-hero-word-bank{margin-top:8px;display:flex;flex-wrap:wrap;gap:6px}.fc-hero-word-bank span{border-radius:999px;border:1px solid var(--fc-color-palette-d6e1f5);background:var(--fc-color-surface);padding:3px 8px;color:var(--fc-color-palette-37527c);font-size:.66rem;font-weight:700}.fc-hero-progress-card{right:4%;left:auto;bottom:2%;width:282px;padding:16px;display:grid;grid-template-columns:84px 1fr;grid-template-rows:auto 1fr;align-items:start;gap:12px;border-radius:16px;animation-delay:-1s}.fc-hero-progress-title{grid-column:1/-1;grid-row:1;margin-bottom:8px;font-size:.9rem;line-height:1.2}.fc-hero-progress-left{grid-column:1;grid-row:2}.fc-hero-progress-right{grid-column:2;grid-row:2}.fc-hero-ring{width:84px;height:84px;border-radius:50%;background:radial-gradient(circle at center, var(--fc-color-surface) 0 62%, transparent 63% 100%),conic-gradient(var(--fc-color-palette-39c96b) 0 78%, var(--fc-color-palette-e9eff8) 78% 100%);display:grid;place-items:center;font-size:1.05rem;font-weight:900;color:var(--fc-color-palette-25af58)}.fc-hero-bars{display:flex;align-items:end;gap:9px;height:64px;margin-top:2px}.fc-hero-bar-item{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:2px}.fc-hero-bar{display:block;width:8px;height:var(--h, 60%);min-height:8px;border-radius:999px;background:linear-gradient(180deg, var(--fc-color-palette-93e7ae), var(--fc-color-palette-31c86a));opacity:.95}.fc-hero-bar-item em{width:18px;height:18px;flex:0 0 18px;box-sizing:border-box;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;background:var(--fc-color-palette-f0f4fb);border:1px solid var(--fc-color-palette-d8e2f3);color:var(--fc-color-palette-334d79);font-style:normal;font-size:.58rem;line-height:1;font-weight:800;margin-top:0}.fc-hero-bar-item:nth-child(1) em{background:var(--fc-color-palette-e8f0ff);border-color:var(--fc-color-palette-cfdcff);color:var(--fc-color-palette-35528a)}.fc-hero-bar-item:nth-child(2) em{background:var(--fc-color-palette-efe9ff);border-color:var(--fc-color-palette-dacfff);color:var(--fc-color-palette-5a4a9a)}.fc-hero-bar-item:nth-child(3) em{background:var(--fc-color-palette-e8f8ef);border-color:var(--fc-color-palette-c9edd8);color:var(--fc-color-palette-2f7a55)}.fc-hero-bar-item:nth-child(4) em{background:var(--fc-color-palette-fff2e6);border-color:var(--fc-color-palette-ffd9b8);color:var(--fc-color-palette-9a5f2c)}.fc-hero-bar-item:nth-child(5) em{background:var(--fc-color-palette-eaf7ff);border-color:var(--fc-color-palette-ccecff);color:var(--fc-color-palette-2c6f96)}@keyframes fcFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}@keyframes fcDrift{0%,100%{transform:translate3d(0, 0, 0) scale(1);opacity:.6}50%{transform:translate3d(18px, -24px, 0) scale(1.25);opacity:1}}.fc-landing-hero.fc-section{padding:0}.fc-hero-note{margin-top:.95rem;font-size:.98rem;color:var(--fc-text-soft)}.fc-hero-media-wrap{position:relative}.fc-screen{display:block;width:100%;background:var(--fc-color-surface);border:1px solid var(--fc-border);border-radius:18px;box-shadow:0 12px 24px rgba(var(--fc-color-shadow-strong-rgb), 0.08);overflow:hidden;text-decoration:none}.fc-screen-clickable{transition:transform .2s ease,box-shadow .2s ease;cursor:pointer;position:relative}.fc-screen-clickable:hover{transform:translateY(-2px);box-shadow:0 24px 40px rgba(var(--fc-color-shadow-strong-rgb), 0.16)}.fc-screen-live-chip{position:absolute;top:12px;right:14px;z-index:2;background:var(--fc-color-palette-eaf8ef);color:var(--fc-color-primary-hover);border:1px solid var(--fc-color-palette-cdeedc);border-radius:999px;padding:.24rem .55rem;font-size:.78rem;font-weight:700}.fc-screen-topbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;border-bottom:1px solid var(--fc-color-palette-edf2fb);padding:.9rem 1rem;font-size:.9rem;color:var(--fc-text-soft);background:var(--fc-color-surface)}.fc-screen-title{font-weight:700;color:var(--fc-text)}.fc-screen-body{padding:1rem;background:var(--fc-color-palette-f8fbff)}.fc-lesson-layout{display:grid;grid-template-columns:58px 1fr 176px;gap:1rem;align-items:stretch}.fc-toolbar{background:var(--fc-color-surface);border:1px solid var(--fc-color-palette-e7eefb);border-radius:16px;padding:.75rem .45rem;display:flex;flex-direction:column;align-items:center;gap:.55rem}.fc-tool{width:34px;height:34px;border-radius:10px;color:var(--fc-text-soft);display:inline-flex;align-items:center;justify-content:center;background:var(--fc-color-palette-f6f8fd);font-size:.95rem}.fc-tool.is-active{color:var(--fc-blue);background:var(--fc-color-palette-edf3ff)}.fc-tool-dot{width:14px;height:14px;border-radius:999px}.fc-tool-dot.black{background:var(--fc-color-palette-111827)}.fc-tool-dot.red{background:var(--fc-color-palette-ef4444)}.fc-tool-dot.blue{background:var(--fc-color-palette-2d6cff)}.fc-task-panel{background:var(--fc-color-surface);border:1px solid var(--fc-color-palette-e7eefb);border-radius:16px;padding:.92rem;display:flex;flex-direction:column;gap:.85rem}.fc-task-title{font-weight:700;color:var(--fc-text);margin-bottom:0}.fc-task-image{width:100%;border-radius:14px;border:1px solid var(--fc-color-palette-e7eefb);background:var(--fc-color-palette-f4f7fd);aspect-ratio:16/9;object-fit:cover}.fc-answer-list{display:flex;flex-direction:column;gap:.6rem;font-size:.98rem;color:var(--fc-color-palette-2d3748)}.fc-answer-line{display:flex;gap:.42rem;flex-wrap:wrap;align-items:center}.fc-answer-fill{color:var(--fc-blue);font-weight:700;font-style:italic}.fc-gap-input{min-width:96px;padding:.1rem .4rem;border-radius:8px;border:1px solid var(--fc-color-palette-cfdcf3);background:var(--fc-color-surface);font-weight:600;color:var(--fc-color-text);outline:none;transition:border-color .15s ease,box-shadow .15s ease,background-color .15s ease}.fc-gap-input:focus{border-color:var(--fc-color-palette-7ea2ea);box-shadow:0 0 0 .18rem rgba(var(--fc-color-shadow-info-rgb), 0.15)}.fc-gap-input.is-correct{border-color:var(--fc-color-palette-23a55a);background:var(--fc-color-palette-edf9f2);color:var(--fc-color-success-text)}.fc-gap-input.is-wrong{border-color:var(--fc-color-palette-e05555);background:var(--fc-color-palette-fff2f2);color:var(--fc-color-palette-991b1b)}.fc-side-panel{display:flex;flex-direction:column;gap:.62rem}.fc-user-box,.fc-chat-box{background:var(--fc-color-surface);border:1px solid var(--fc-color-palette-e7eefb);border-radius:12px;padding:.62rem}.fc-user-label,.fc-chat-label{font-size:.78rem;font-weight:700;color:var(--fc-text);margin-bottom:.38rem}.fc-user-thumb{width:100%;border-radius:12px;aspect-ratio:16/10;object-fit:cover;background:var(--fc-color-palette-f4f7fd)}.fc-chat-bubble{border-radius:10px;padding:.35rem .48rem;font-size:.78rem;background:var(--fc-color-palette-f4f7fd);color:var(--fc-text);margin-bottom:.36rem}.fc-chat-input{border:1px solid 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rgba(var(--fc-color-shadow-info-rgb), 0.14)}.fc-feature-title{font-size:1.3rem;font-weight:800;line-height:1.25;margin-bottom:.55rem}.fc-feature-text{color:var(--fc-text-soft);font-size:1rem;line-height:1.5;margin-bottom:0}.fc-cta{padding:38px 40px;background:linear-gradient(130deg, var(--fc-color-primary) 0%, var(--fc-color-primary-hover) 58%, var(--fc-color-palette-14532d) 100%);border:0;position:relative;overflow:hidden;box-shadow:0 22px 48px rgba(var(--fc-color-shadow-brand-rgb), 0.26)}.fc-cta::before{content:"";position:absolute;width:340px;height:340px;border-radius:50%;top:-180px;right:-110px;background:var(--fc-color-palette-rgba-255-255-255-0p08);pointer-events:none;animation:fc-cta-float-1 6s ease-in-out infinite}.fc-cta::after{content:"";position:absolute;width:220px;height:220px;border-radius:50%;bottom:-130px;left:-70px;background:var(--fc-color-palette-rgba-255-255-255-0p06);pointer-events:none;animation:fc-cta-float-2 7s ease-in-out infinite}@keyframes fc-cta-float-1{0%,100%{transform:translate(0, 0) scale(1)}25%{transform:translate(-24px, 16px) scale(1.06)}50%{transform:translate(-36px, 40px) scale(1.1)}75%{transform:translate(-14px, 28px) scale(1.04)}}@keyframes fc-cta-float-2{0%,100%{transform:translate(0, 0) scale(1)}25%{transform:translate(20px, -10px) scale(1.08)}50%{transform:translate(32px, -30px) scale(1.14)}75%{transform:translate(10px, -22px) scale(1.05)}}@media(prefers-reduced-motion: reduce){.fc-cta::before,.fc-cta::after{animation:none}}.fc-cta>*{position:relative;z-index:1}.fc-cta-title{color:var(--fc-color-on-primary);font-size:clamp(2rem,3vw,3rem);line-height:1.08;font-weight:800;margin-bottom:.45rem}.fc-cta-text{color:var(--fc-color-palette-rgba-255-255-255-0p85);font-size:1.12rem;margin-bottom:0}.fc-cta-note{margin-top:.8rem;color:var(--fc-color-palette-rgba-255-255-255-0p75);font-size:.95rem;text-align:center}.fc-cta .fc-primary-btn{background:var(--fc-color-surface);color:var(--fc-color-primary-hover);box-shadow:0 14px 30px rgba(var(--fc-color-shadow-brand-rgb), 0.28)}.fc-cta .fc-primary-btn:hover{background:var(--fc-color-palette-f2fcf6);color:var(--fc-color-palette-14532d);transform:translateY(-1px)}.lesson-preview-overlay{position:fixed;inset:0;z-index:1080;background:var(--fc-color-palette-rgba-8-14-28-0p82);display:flex;align-items:center;justify-content:center;padding:22px}.lesson-preview-overlay img{max-width:min(1100px,94vw);max-height:88vh;border-radius:14px;box-shadow:0 24px 60px rgba(var(--fc-color-shadow-black-rgb), 0.34);object-fit:contain;background:var(--fc-color-surface)}.lesson-preview-close{position:absolute;top:16px;right:16px;width:42px;height:42px;border-radius:50%;border:0;display:inline-flex;align-items:center;justify-content:center;font-size:1.1rem;color:var(--fc-color-on-primary);background:var(--fc-color-palette-rgba-255-255-255-0p18)}body.lesson-preview-open{overflow:hidden}@media(max-width: 991.98px){.fc-section{padding:34px 0}.fc-hero{padding:22px}.fc-lesson-layout{grid-template-columns:1fr}.fc-toolbar{flex-direction:row;justify-content:center;flex-wrap:wrap}.fc-side-panel{display:grid;grid-template-columns:1fr}.fc-compare-book-image{top:-52px;right:-4px;width:min(156px,39%)}}@media(max-width: 767.98px){.fc-primary-btn{width:100%;justify-content:center}.fc-card,.fc-hero,.fc-compare-card,.fc-feature-card,.fc-example-card,.fc-cta{border-radius:20px}.fc-hero-title{font-size:2.2rem}.fc-compare-card,.fc-feature-card,.fc-example-card{padding:18px}.fc-cta{padding:22px 18px;text-align:center}.fc-section-title{text-align:left;font-size:1.72rem;margin:0 0 1.1rem;max-width:100%}.fc-compare-book-image{top:-38px;right:-2px;width:min(128px,40%)}}.hero-class-preview{width:100%;margin:0 auto;background:var(--fc-color-surface);border-radius:24px;transition:transform .2s ease,box-shadow .2s ease}.hero-class-preview:hover{transform:translateY(-2px);box-shadow:0 .9rem 2.2rem rgba(var(--fc-color-shadow-strong-rgb), 0.1)}.hero-class-preview--compact{max-width:760px;margin-left:auto;display:none}.hero-class-preview--compact .hero-logo{width:46px;height:46px;border-radius:14px;font-size:25px}.hero-class-preview--compact .hero-title{font-size:24px}.hero-class-preview--compact .hero-subtitle{font-size:14px}.hero-class-preview--compact .status-pill,.hero-class-preview--compact .user-pill{display:none}.hero-class-preview--compact .lesson-card,.hero-class-preview--compact .chat-card{padding:16px;border-radius:18px}.hero-class-preview--compact .lesson-title{font-size:18px;margin-bottom:1rem}.hero-class-preview--compact .task-image{border-radius:14px;margin-bottom:1rem}.hero-class-preview--compact .task-list{gap:10px;font-size:16px}.hero-class-preview--compact .task-input{width:126px;height:38px;border-radius:10px;font-size:15px}.hero-class-preview--compact .word-bank{border-radius:14px;padding:12px;margin-top:1rem}.hero-class-preview--compact .word-bank-title{font-size:14px;margin-bottom:.7rem}.hero-class-preview--compact .word-badge{min-width:96px;height:38px;border-radius:10px;font-size:14px}.hero-class-preview--compact .side-title{font-size:18px;margin-bottom:.8rem}.hero-class-preview--compact .chat-card{height:230px}.hero-class-preview--compact .chat-message{min-height:48px;padding:10px 12px;font-size:14px}.hero-class-preview--compact .chat-message small,.hero-class-preview--compact .chat-form,.hero-class-preview--compact .video-card{display:none}.hero-logo{width:58px;height:58px;border-radius:18px;background:var(--fc-color-palette-18b968);color:var(--fc-color-on-primary);display:grid;place-items:center;font-size:32px;font-weight:800}.hero-title,.lesson-title,.side-title{color:var(--fc-color-palette-102754);font-weight:800}.hero-title{font-size:30px}.hero-subtitle{color:var(--fc-color-palette-7d8fb3);font-size:18px;font-weight:500}.hero-top-note{border:1px solid var(--fc-color-palette-dce6f6);background:var(--fc-color-palette-f7fbff);border-radius:16px;padding:10px 14px;display:flex;align-items:center;gap:10px;margin-bottom:12px}.hero-top-note-icon{width:20px;height:20px;flex:0 0 auto}.hero-top-note-text{color:var(--fc-color-palette-4f6287);font-size:16px;font-weight:600;line-height:1.4}.hero-top-note-accent{color:var(--fc-color-info-text);background:var(--fc-color-palette-e9f1ff);border-radius:8px;padding:1px 6px;font-weight:700;white-space:nowrap}.status-pill,.user-pill{height:48px;border-radius:999px;display:inline-flex;align-items:center;gap:10px;padding:0 20px;font-size:18px;font-weight:700}.status-pill{color:var(--fc-color-palette-11914b);background:var(--fc-color-palette-e6f8ec)}.status-pill span{width:12px;height:12px;border-radius:50%;background:var(--fc-color-palette-12b857)}.user-pill{border:1px solid var(--fc-color-palette-dce7f8);background:var(--fc-color-surface);color:var(--fc-color-palette-102754);pointer-events:none;cursor:default}.lesson-card,.chat-card,.video-card{border:1px solid var(--fc-color-palette-dfe9f8);border-radius:24px;background:var(--fc-color-surface)}.lesson-card{padding:24px}.lesson-title{font-size:24px;line-height:1.3}.task-image{width:100%;border-radius:18px;object-fit:cover;aspect-ratio:16/8}.task-list{display:grid;gap:18px;font-size:21px;color:var(--fc-color-palette-25324a)}.task-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 12px}.task-match-row{display:grid;grid-template-columns:minmax(130px, 200px) minmax(220px, 1fr);gap:12px;align-items:center}.task-match-label{font-size:19px;font-weight:700;color:var(--fc-color-palette-1f355d)}.task-input{width:170px;height:48px;border:1.5px solid var(--fc-color-palette-d9e4f5);border-radius:14px;padding:0 14px;font-size:18px;outline:none;transition:border-color .15s ease,background .15s ease,box-shadow .15s ease}.task-input:focus{border-color:var(--fc-color-palette-7aa7ff);box-shadow:0 0 0 4px rgba(var(--fc-color-shadow-info-rgb), 0.1)}.task-drop{min-height:52px;border:1.5px dashed var(--fc-color-palette-c3d4f3);border-radius:14px;background:var(--fc-color-palette-f8fbff);padding:10px 14px;display:flex;align-items:center;justify-content:center;transition:border-color .15s ease,background .15s ease,box-shadow .15s ease}.task-drop-value{font-size:18px;font-weight:600;color:var(--fc-color-palette-1c345d)}.task-drop-placeholder{color:var(--fc-color-palette-8ca1c6);font-size:16px;font-weight:600}.task-target.is-valid{border-color:var(--fc-color-palette-19a75a);background:var(--fc-color-palette-effaf3);color:var(--fc-color-palette-128044)}.task-target.is-invalid{border-color:var(--fc-color-palette-ef4444);background:var(--fc-color-palette-fff1f1)}.word-bank{border:1px solid var(--fc-color-palette-dfeee5);border-radius:18px;background:var(--fc-color-palette-fbfdfb);padding:16px 18px}.word-bank-title{color:var(--fc-color-palette-1e2a44);font-size:18px;font-weight:800}.word-badge{min-width:120px;height:46px;border:1.5px solid var(--fc-color-palette-d5e1f2);border-radius:12px;background:var(--fc-color-surface);color:var(--fc-color-palette-1f2d44);font-size:17px;font-weight:600;transition:opacity .15s ease,text-decoration-color .15s ease,transform .15s ease,box-shadow .15s ease;cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none}.word-badge:active{cursor:grabbing}.word-badge.is-dragging{opacity:.65;transform:scale(0.98)}.touch-drag-ghost{position:fixed;z-index:9999;pointer-events:none;transform:translate(-50%, -50%) translate3d(0, 0, 0);background:var(--fc-color-surface);border:1.5px solid var(--fc-color-palette-d5e1f2);border-radius:12px;min-height:42px;padding:8px 12px;box-shadow:0 12px 24px rgba(var(--fc-color-shadow-strong-rgb), 0.22);display:inline-flex;align-items:center;justify-content:center;max-width:min(78vw,360px)}.touch-drag-ghost-content{color:var(--fc-color-palette-1f2d44);font-size:16px;font-weight:600;line-height:1.2;white-space:nowrap}.task-target.is-drag-over{border-color:var(--fc-color-palette-4f86f7);box-shadow:0 0 0 4px rgba(var(--fc-color-shadow-info-rgb), 0.16)}.word-badge.used{opacity:.45;text-decoration:line-through}.side-column{display:grid;gap:14px;grid-auto-rows:max-content;align-content:start;align-items:start}.chat-card{height:340px;padding:20px;display:flex;flex-direction:column}.side-title{font-size:22px}.chat-messages{display:flex;flex-direction:column;gap:10px;flex:1 1 auto;min-height:0;overflow-y:hidden;padding-right:4px}.chat-message{min-height:62px;border-radius:14px;background:var(--fc-color-palette-f4f6fb);color:var(--fc-color-palette-15233d);padding:14px 16px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:16px}.chat-message small{color:var(--fc-color-palette-8b97ab);font-size:14px;white-space:nowrap}.chat-form{height:50px;border:1.5px solid var(--fc-color-palette-dce6f5);border-radius:14px;display:flex;flex:0 0 auto;align-items:center;padding:0 8px 0 14px}.chat-form input{flex:1;border:0;outline:0;min-width:120px;font-size:16px;color:var(--fc-color-palette-16233d)}.chat-form input::placeholder{color:var(--fc-color-palette-9aa9c5)}.chat-form button{width:36px;height:36px;border:0;border-radius:10px;background:var(--fc-color-palette-eef5ff);color:var(--fc-color-palette-2458d3);font-size:16px}.chat-form--decorative{pointer-events:none}.chat-form--decorative input,.chat-form--decorative button{pointer-events:none;cursor:default}.video-card{overflow:hidden;width:100%}.student-video{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}.call-panel{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:6px 12px;background:var(--fc-color-surface)}.call-panel button{width:34px;height:34px;border-radius:10px;border:0;background:rgba(0,0,0,0);color:var(--fc-color-palette-109456);font-size:18px;line-height:1;display:inline-flex;align-items:center;justify-content:center;pointer-events:none;cursor:default}.call-panel .call-end{color:var(--fc-color-palette-ef3f4a)}.call-panel .bi-display{color:var(--fc-color-palette-202838)}@media(max-width: 991.98px){.fc-landing-hero{min-height:920px;height:920px}.fc-landing-hero-copy{max-width:640px}.fc-landing-hero-actions{justify-content:center}.fc-hero-float-card{opacity:.8}.fc-hero-video-card{opacity:1}.fc-hero-bubble-icon.i1,.fc-hero-bubble-icon.i3{display:none}.fc-hero-chat-card{top:4%;left:2%}.fc-hero-video-card{top:3%;right:2%}.fc-hero-task-card{bottom:2%;left:3%}.fc-hero-progress-card{right:4%;left:auto;bottom:2%;width:276px;transform:scale(0.9)}.hero-class-preview{border-radius:22px;padding:20px}.lesson-card,.chat-card{padding:18px}.task-list{font-size:19px}.task-input{width:150px}.task-match-row{grid-template-columns:minmax(120px, 160px) minmax(200px, 1fr)}}@media(max-width: 767.98px){.fc-landing-hero{flex-direction:column;justify-content:flex-start;padding-left:0;padding-right:0;min-height:1040px;height:1040px}.fc-landing-hero-copy{order:1;padding-left:14px;padding-right:14px;z-index:6;margin-top:370px}.fc-landing-hero-title{font-size:1.72rem}.fc-landing-hero-text{font-size:.9rem;line-height:1.42}.fc-landing-hero-actions{flex-direction:column;align-items:stretch}.fc-secondary-btn,.fc-landing-hero-actions 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button{width:30px;height:30px;font-size:17px;border-radius:8px}}@media(max-width: 575.98px){.fc-landing-hero-title{font-size:1.48rem}.fc-landing-hero-text{font-size:.84rem}.fc-hero-chat-card{left:1%}.fc-hero-video-card{left:auto;right:-18%}.fc-hero-task-card{left:1%}.fc-hero-progress-card{top:auto;bottom:5%;right:-14%;left:auto;width:268px;transform:scale(0.64)}}@media(min-width: 430px)and (max-width: 767.98px){.fc-hero-mobile-features{gap:12px}.fc-hero-mobile-feature{font-size:.76rem}.fc-hero-mobile-feature i{width:46px;height:46px;font-size:1.22rem;border-radius:13px}}@media(prefers-reduced-motion: reduce){.fc-hero-float-card{animation:none;transform:none}}