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*){color:var(--color-white)}.\[\&\>\*\]\:\[transform-style\:preserve-3d\]>*{transform-style:preserve-3d}}:root{--color-primary:#1a4b84;--color-primary-dark:#143a68;--color-primary-hover:#143a68;--color-primary-light:#f0f4f8;--color-primary-muted:#d6e2ef;--color-bg:#f8f5f2;--color-surface:#fff;--color-border:#e5e0da;--bg-page:var(--color-bg);--bg-card:var(--color-surface);--bg-sidebar:#fff;--color-text-primary:#1a1a1a;--color-text-secondary:#666;--text-primary:var(--color-text-primary);--text-secondary:var(--color-text-secondary);--text-muted:#8a8a8a;--border-color:var(--color-border);--color-success:#22c55e;--color-warning:#f59e0b;--color-danger:#ef4444;--success:var(--color-success);--success-bg:#dcfce7;--current-bg:var(--color-primary-muted);--locked:#9ca3af;--radius-sm:8px;--radius-md:12px;--radius-lg:18px;--radius-xl:20px;--radius-full:999px;--shadow-sm:0 2px 10px #1a4b840d;--shadow-md:0 6px 18px #1a4b8412;--shadow-lg:0 12px 32px #1a4b8414;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:40px;--space-3xl:48px;--space-4xl:64px;--space-5xl:72px;--space-section:72px;--space-card:20px;--space-card-sm:18px;--space-card-md:22px;--space-grid:24px;--space-btn-gap:12px;--fs-xs:12px;--fs-sm:13px;--fs-md:14px;--fs-base:15px;--fs-lg:17px;--fs-xl:18px;--fs-2xl:28px;--fs-3xl:42px;--fw-regular:400;--fw-medium:500;--fw-semibold:600;--fw-bold:700;--fw-extrabold:800;--lh-tight:1.1;--lh-snug:1.3;--lh-normal:1.6;--ls-tight:-1px;--ls-wide:.08em;--btn-height:42px;--btn-height-sm:40px;--btn-padding-x:20px;--icon-sm:44px;--icon-md:48px;--nav-height:64px;--stat-card-height:110px;--program-card-min-height:220px;--discover-card-width:180px;--discover-card-height:240px;--hero-card-ratio:4 / 3;--container-max:1320px;--container-padding:32px;--transition:all .3s ease;--transition-fast:all .3s ease}*,:before,:after{box-sizing:border-box}@media 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var(--space-lg)}.text-card-title{font-size:var(--fs-xl);font-weight:var(--fw-semibold);color:var(--text-primary);line-height:var(--lh-snug)}.text-card-desc{font-size:var(--fs-md);font-weight:var(--fw-regular);line-height:var(--lh-normal);color:var(--text-secondary)}.text-stat{font-size:var(--fs-2xl);font-weight:var(--fw-bold);color:var(--text-primary);line-height:1.2}.text-stat-label{font-size:var(--fs-xs);font-weight:var(--fw-semibold);letter-spacing:var(--ls-wide);text-transform:uppercase;color:var(--text-secondary)}.text-nav{font-size:var(--fs-base);font-weight:var(--fw-medium)}.text-footer{font-size:var(--fs-sm);font-weight:var(--fw-medium)}.text-body{font-size:var(--fs-md);font-weight:var(--fw-regular);line-height:var(--lh-normal);color:var(--text-secondary)}.text-muted{color:var(--text-muted)}.btn{height:var(--btn-height);padding:0 var(--btn-padding-x);font-size:var(--fs-md);font-weight:var(--fw-semibold);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);white-space:nowrap;border:1.5px solid #0000;justify-content:center;align-items:center;line-height:1;display:inline-flex}.btn--primary{background:var(--color-primary);color:var(--color-surface);border-color:var(--color-primary)}.btn--primary:hover,.btn--primary:focus-visible{background:var(--color-primary-dark);border-color:var(--color-primary-dark);box-shadow:var(--shadow-md);outline:none;transform:translateY(-2px)}.btn--secondary{background:var(--color-surface);color:var(--color-primary);border-color:var(--color-primary)}.btn--secondary:hover,.btn--secondary:focus-visible{background:var(--color-primary-light);box-shadow:var(--shadow-sm);outline:none;transform:translateY(-2px)}.circular-nav-group{background:var(--bg-page);border:1px solid #e5e7eb;border-radius:12px;align-items:center;gap:6px;padding:4px;display:inline-flex}.circular-nav-btn{color:#475569;cursor:pointer;background:#fff;border:1px solid #e2e8f0;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;padding:0;font-family:inherit;transition:color .16s,background-color .16s,border-color .16s,box-shadow .16s,transform .1s;display:inline-flex}.circular-nav-btn:hover:not(:disabled){color:var(--color-primary);border-color:var(--color-primary-muted,#c9d6e5);background:#fff;box-shadow:0 3px 10px #1a4b841a}.circular-nav-btn:active:not(:disabled){transform:scale(.98)}.circular-nav-btn:disabled{opacity:.35;cursor:not-allowed}.landing-container{max-width:var(--container-max);padding-inline:var(--container-padding);margin:0 auto}@media (width<=768px){:root,.landing{--fs-3xl:32px;--fs-2xl:24px;--container-padding:24px;--space-section:48px}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-scrollbar-thumb{syntax:"<color>";inherits:false;initial-value:#0000}@property --tw-scrollbar-track{syntax:"<color>";inherits:false;initial-value:#0000}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-duration{syntax:"*";inherits:false}@property --tw-ease{syntax:"*";inherits:false}@property --tw-translate-x{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-y{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-z{syntax:"*";inherits:false;initial-value:0}@keyframes marquee{0%{transform:translate(0)}to{transform:translate(-50%)}}@keyframes marquee-vertical{0%{transform:translateY(0)}to{transform:translateY(calc(-100% - var(--gap)))}}.student-our-courses{margin-top:1.75rem;padding:1.5rem 0 .5rem;position:relative;overflow:hidden}.student-our-courses__inner{width:100%}.student-our-courses__intro{text-align:left;max-width:40rem;margin:0 0 1.35rem}.student-our-courses__eyebrow{letter-spacing:.16em;text-transform:uppercase;color:var(--color-primary,#355872);margin:0 0 .55rem;font-size:.72rem;font-weight:650}.student-our-courses__lead{max-width:36rem;color:var(--text-secondary,#64748b);margin:.85rem 0 0;font-size:.92rem;line-height:1.5}.student-our-courses__velocity{width:100vw;margin-left:calc(50% - 50vw);position:relative;overflow:hidden}.student-our-courses__card{vertical-align:middle;width:15rem;height:10rem;color:inherit;border-radius:14px;margin-inline:.85rem;text-decoration:none;transition:transform .2s,box-shadow .2s;display:inline-block;position:relative;overflow:hidden;box-shadow:0 2px 10px #35587214}.student-our-courses__card:hover,.student-our-courses__card:focus-visible{outline:none;transform:translateY(-3px);box-shadow:0 10px 24px #35587224}.student-our-courses__image{object-fit:cover;background:#d7ecf5;width:100%;height:100%;display:block}.student-our-courses__name{inset-inline:0;letter-spacing:-.01em;color:#fff;text-align:left;opacity:0;pointer-events:none;background:linear-gradient(#0000 0%,#243848d6 100%);margin:0;padding:1.6rem .75rem .65rem;font-size:.82rem;font-weight:650;line-height:1.25;transition:opacity .25s,transform .25s;position:absolute;bottom:0;transform:translateY(6px)}.student-our-courses__card:hover .student-our-courses__name,.student-our-courses__card:focus-within .student-our-courses__name{opacity:1;transform:translateY(0)}.student-our-courses__fade{pointer-events:none;z-index:2;width:min(14vw,7rem);position:absolute;inset-block:0}.student-our-courses__fade--left{background:linear-gradient(90deg, var(--bg-page,#f7f8f0) 0%, transparent 100%);left:0}.student-our-courses__fade--right{background:linear-gradient(270deg, var(--bg-page,#f7f8f0) 0%, transparent 100%);right:0}@media (width<=640px){.student-our-courses__card{width:11.5rem;height:7.5rem;margin-inline:.55rem}.student-our-courses__name{padding:1.25rem .55rem .5rem;font-size:.75rem}}.student-programs-offers{margin-top:.35rem;margin-bottom:.5rem}.student-programs-offers__intro{text-align:left;max-width:40rem;margin:0 0 1.35rem}.student-programs-offers__lead{max-width:36rem;color:var(--text-secondary,#64748b);margin:.85rem 0 0;font-size:.92rem;line-height:1.5}.student-programs-offers__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.15rem;display:grid}.student-programs-offers__card{border:1px solid color-mix(in srgb, var(--color-primary-muted,#7aaace) 28%, #f7f8f0);background:var(--color-surface,#fff);min-width:0;box-shadow:var(--shadow-sm,0 2px 10px 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transparent);color:inherit;cursor:pointer;border-radius:14px;align-items:flex-start;gap:.8rem;padding:.9rem .95rem;text-decoration:none;transition:border-color .18s,background-color .18s,transform .18s,box-shadow .18s;display:flex}.student-programs-offers__item:hover,.student-programs-offers__item:focus-visible{border-color:color-mix(in srgb, var(--color-primary-muted,#7aaace) 45%, transparent);background:color-mix(in srgb, var(--color-primary-light,#9cd5ff) 24%, #fff);outline:none;transform:translateY(-1px);box-shadow:0 6px 16px #35587214}.student-programs-offers__item-icon{background:color-mix(in srgb, var(--color-primary-light,#9cd5ff) 48%, #fff);width:2.15rem;height:2.15rem;color:var(--color-primary,#355872);border-radius:10px;flex-shrink:0;place-items:center;display:grid}.student-programs-offers__item-copy{min-width:0}.student-programs-offers__item-copy h4{letter-spacing:-.015em;color:var(--text-primary,#243848);margin:0;font-size:.95rem;font-weight:700}.student-programs-offers__item-copy p{color:var(--text-secondary,#64748b);margin:.25rem 0 0;font-size:.84rem;line-height:1.4}.student-programs-offers__cta{color:var(--color-primary,#355872);align-items:center;gap:.35rem;margin-top:.55rem;font-size:.84rem;font-weight:650;text-decoration:none;transition:color .18s,gap .18s;display:inline-flex}.student-programs-offers__item:hover .student-programs-offers__cta,.student-programs-offers__item:focus-visible .student-programs-offers__cta{color:var(--color-primary-dark,#2a465c);gap:.5rem}.student-programs-offers__cta:hover,.student-programs-offers__cta:focus-visible{color:var(--color-primary-dark,#2a465c);outline:none;gap:.5rem}@media (width<=900px){.student-programs-offers__grid{grid-template-columns:1fr}}@media 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.student-dashboard-title{max-width:none}.student-welcome-card__cta{border:1.5px solid var(--color-primary,#355872);background:var(--color-primary,#355872);color:#fff;cursor:pointer;min-height:44px;box-shadow:var(--shadow-md,0 6px 18px #35587217);border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;padding:0 1.25rem;font-family:inherit;font-size:.92rem;font-weight:650;transition:background-color .18s,border-color .18s,transform .18s,box-shadow .18s;display:inline-flex}.student-welcome-card__cta:hover,.student-welcome-card__cta:focus-visible{background:var(--color-primary-dark,#2a465c);border-color:var(--color-primary-dark,#2a465c);box-shadow:var(--shadow-lg,0 12px 32px #3558721f);outline:none;transform:translateY(-1px)}.student-dashboard-subtitle{color:#64748b;max-width:36rem;margin:0;font-size:.95rem;line-height:1.5}.student-dashboard-title__name{background:linear-gradient(135deg, var(--color-primary-dark,#143a68) 0%, var(--color-primary,#1a4b84) 55%, #2563a8 100%);color:#0000;-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:clamp(1.35rem,3vw,1.65rem);font-weight:800}.student-dashboard-stat-label{font-size:var(--student-fs-stat-label,11px);font-weight:var(--student-fw-semibold,600);color:#64748b;margin:0 0 2px}.student-dashboard-stat-value{font-size:var(--student-fs-stat-value,18px);font-weight:var(--student-fw-bold,700);color:#0f172a;letter-spacing:-.03em;margin:0;line-height:1.1}.student-dashboard-stat-meta{font-size:var(--student-fs-tiny,10px);font-weight:var(--student-fw-medium,500);color:#64748b;margin:2px 0 0;line-height:1.3}.student-dashboard-section-head .teacher-page-title-icon{border-radius:9px;width:32px;height:32px}.student-dashboard-section-head .teacher-page-title-icon svg{width:16px;height:16px}.student-dashboard-section-head h2{font-size:var(--student-fs-section,16px);font-weight:var(--student-fw-bold,700);color:#0f172a;letter-spacing:-.02em;margin:0}.student-dashboard-section-head p{font-size:var(--student-fs-meta,12px);font-weight:var(--student-fw-semibold,600);letter-spacing:.02em;color:#64748b;margin:2px 0 0}.student-dashboard-slot-time{color:#64748b;letter-spacing:.02em;white-space:nowrap;margin:0 0 8px;font-size:11px;font-weight:700}@media (width>=768px){.student-dashboard-header{gap:14px;margin-bottom:18px}.student-dashboard-search{flex:none;width:240px;max-width:240px}.student-dashboard-stats{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:18px}.student-dashboard-schedule,.student-dashboard-actions{margin-bottom:18px;padding:16px}.student-dashboard-section-head h2{font-size:17px}.student-dashboard-action-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}}@media (width>=1024px){.student-dashboard-toolbar{display:flex}}@media (width>=1100px){.student-dashboard-actions{margin-bottom:0}}.guest-settings-page{--color-primary:var(--sd-brand,#1a4f8c);--color-primary-dark:var(--sd-brand-strong,#0f355f);--color-primary-muted:#c9d6e5;--color-primary-light:#eff4f8;background:var(--bg-page,#f8f5f2);box-sizing:border-box;width:100%;max-width:100%;min-height:100%;color:var(--text-secondary,#475569);flex-direction:column;margin:0;padding:4px 40px 24px;font-family:inherit;display:flex;overflow-x:clip}.guest-settings-header{flex-direction:column;flex-shrink:0;gap:14px;margin-bottom:16px;display:flex}.guest-settings-back{width:fit-content;color:var(--color-primary);align-items:center;gap:8px;font-size:13px;font-weight:500;text-decoration:none;display:inline-flex}.guest-settings-back:hover{text-decoration:underline}.guest-settings-header-row{flex-direction:column;align-items:stretch;gap:14px;display:flex}.guest-settings-title{font-size:var(--teacher-page-title-size,20px);color:var(--text-primary,#0f172a);letter-spacing:-.02em;margin:0;font-weight:700;line-height:1.15}.guest-settings-subtitle{color:var(--text-secondary,#64748b);margin:4px 0 0;font-size:13px;font-weight:500;line-height:1.45}.guest-settings-layout{flex-direction:column;flex:auto;gap:16px;width:100%;min-height:0;display:flex}.guest-settings-card{box-sizing:border-box;background:#fff;border:1px solid #e8ecf4;border-radius:14px;flex-direction:column;width:100%;padding:14px;display:flex;box-shadow:0 4px 14px #0f172a0a}.guest-settings-card-head{border-bottom:1px solid #eef2f7;flex-shrink:0;align-items:flex-start;gap:10px;margin-bottom:14px;padding-bottom:12px;display:flex}.guest-settings-card-icon{background:var(--color-primary-light);border:1px solid var(--color-primary-muted);width:34px;height:34px;color:var(--color-primary);border-radius:9px;flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.guest-settings-card-head h2{color:#0f172a;margin:0 0 2px;font-size:15px;font-weight:700}.guest-settings-card-head p{color:#64748b;margin:0;font-size:13px;line-height:1.45}.guest-settings-grid{grid-template-columns:1fr;align-content:start;gap:14px;display:grid}.guest-settings-field{flex-direction:column;gap:6px;min-width:0;display:flex}.guest-settings-field span{color:#475569;font-size:12px;font-weight:600}.guest-settings-field input,.guest-settings-field 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60%),#0b1220;flex:1;place-items:center;min-height:0;padding:16px;display:grid;position:relative}.media-viewer__pdf{z-index:0;background:#fff;border:0;border-radius:12px;width:100%;height:min(68vh,640px);position:relative}.media-viewer__image{object-fit:contain;background:#fff;border-radius:12px;width:auto;max-width:100%;height:auto;max-height:min(68vh,640px);box-shadow:0 16px 48px #00000059}.media-viewer__audio-card{text-align:center;color:#fff;background:linear-gradient(160deg,#1e293b 0%,#0f172a 100%);border:1px solid #94a3b840;border-radius:18px;width:min(420px,100%);padding:28px 22px 22px;box-shadow:0 18px 50px #00000059}.media-viewer__audio-art{color:#fff;background:linear-gradient(145deg,#6366f1,#1a4f8c);border-radius:22px;place-items:center;width:84px;height:84px;margin:0 auto 14px;display:grid;box-shadow:0 10px 28px #6366f159}.media-viewer__audio-name{word-break:break-word;margin:0 0 16px;font-size:.95rem;font-weight:650}.media-viewer__audio{width:100%}.media-viewer__file-fallback{text-align:center;color:#334155;background:#fffffff5;border-radius:14px;padding:2rem}.media-viewer__file-fallback a{color:#1a4f8c;font-weight:700}@media (width>=900px){.lesson-detail-body{grid-template-columns:minmax(0,1.7fr) minmax(240px,.9fr);align-items:stretch;gap:16px;padding:16px}}.subj-page{--subj-blue:var(--brand,#1a4f8c);--subj-blue-soft:var(--brand-soft,#1a4f8c14);--subj-blue-muted:#1a4f8c33;--subj-ink:#0f172a;--subj-muted:#64748b;--subj-line:#e8ecf2;--subj-card:#fff;box-sizing:border-box;color:#334155;width:100%;font-family:var(--font-ui,inherit);margin:0;padding:4px 0 40px}.subj-topbar{flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:18px;display:flex}.subj-back{color:var(--subj-blue);cursor:pointer;background:0 0;border:0;align-items:center;gap:8px;padding:0;font-family:inherit;font-size:13px;font-weight:600;text-decoration:none;display:inline-flex}.subj-back:hover{text-decoration:underline}.subj-crumb{color:var(--subj-muted);align-items:center;gap:8px;font-size:13px;font-weight:600;display:inline-flex}.subj-crumb-sep{color:#cbd5e1}.subj-hero{background:radial-gradient(circle at 0 0,#1a4f8c1a,#0000 42%),linear-gradient(135deg,#fff 0%,#f5f8fc 100%);border:1px solid #e2e8f0f2;border-radius:18px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px;padding:18px 20px;display:flex;box-shadow:0 10px 28px #0f172a0a}.subj-hero-main{align-items:center;gap:14px;min-width:0;display:flex}.subj-hero-thumb{border:1px solid var(--subj-blue-muted);width:56px;height:56px;color:var(--subj-blue);background:linear-gradient(145deg,#eff4f8,#d6e2ef);border-radius:16px;flex-shrink:0;place-items:center;font-weight:700;display:grid;overflow:hidden;box-shadow:0 6px 16px #1a4b841a}.subj-hero-thumb img{object-fit:cover;width:100%;height:100%;display:block}.subj-hero-copy{min-width:0}.subj-hero-kicker{letter-spacing:.14em;text-transform:uppercase;color:var(--subj-blue);margin:0 0 4px;font-size:10px;font-weight:800}.subj-hero-copy h1{letter-spacing:-.03em;color:var(--subj-ink);font-size:clamp(1.45rem,2.4vw,1.85rem);font-weight:650;font-family:var(--font-display,inherit);margin:0;line-height:1.15}.subj-hero-meta{color:var(--subj-muted);margin:6px 0 0;font-size:13px;font-weight:500}.subj-hero-actions{flex-wrap:wrap;flex-shrink:0;align-items:center;gap:8px;display:flex}.subj-switch-btn{color:#475569;cursor:pointer;background:#fff;border:1px solid #e2e8f0;border-radius:12px;align-items:center;gap:6px;height:40px;padding:0 14px;font-family:inherit;font-size:13px;font-weight:700;display:inline-flex}.subj-switch-btn:hover{border-color:var(--subj-blue-muted);color:var(--subj-blue)}.subj-stage-rail{-webkit-overflow-scrolling:touch;grid-auto-columns:minmax(148px,1fr);grid-auto-flow:column;gap:12px;margin:0 0 18px;padding:4px 2px 8px;display:grid;position:relative;overflow-x:auto}.subj-stage-rail:before{content:"";z-index:0;pointer-events:none;background:#e2e8f0;height:2px;position:absolute;top:28px;left:28px;right:28px}.subj-stage-card{z-index:1;text-align:left;cursor:pointer;background:#fff;border:1px solid #e8ecf2;border-radius:16px;flex-direction:column;align-items:flex-start;gap:10px;min-width:148px;padding:14px 14px 16px;font-family:inherit;transition:border-color .16s,box-shadow .16s,transform .16s,background .16s;display:flex;position:relative;box-shadow:0 4px 14px #0f172a08}.subj-stage-card:hover{border-color:var(--subj-blue-muted);transform:translateY(-1px);box-shadow:0 8px 20px #1a4b8414}.subj-stage-card.is-active{border-color:var(--subj-blue);background:linear-gradient(#f7fbff 0%,#fff 100%);box-shadow:0 8px 22px #1a4b841f,inset 0 0 0 1px #1a4f8c14}.subj-stage-card__num{width:28px;height:28px;color:var(--subj-blue);border:1px solid var(--subj-blue-muted);background:#eef3f9;border-radius:999px;justify-content:center;align-items:center;font-size:12px;font-weight:800;display:inline-flex}.subj-stage-card.is-active .subj-stage-card__num{background:var(--subj-blue);color:#fff;border-color:var(--subj-blue)}.subj-stage-card__copy{gap:3px;min-width:0;display:grid}.subj-stage-card__copy strong{color:var(--subj-ink);letter-spacing:-.02em;font-size:14px;font-weight:750}.subj-stage-card__copy span{color:var(--subj-muted);font-size:11px;font-weight:550;line-height:1.35}.subj-assign-btn{border:1px solid var(--subj-blue);background:var(--subj-blue);color:#fff;cursor:pointer;border-radius:12px;align-items:center;gap:6px;height:40px;padding:0 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p{max-width:34rem;color:var(--subj-muted);margin:0;font-size:.95rem;line-height:1.5}.subj-workspace{flex-direction:column;gap:18px;display:flex}.subj-workspace-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;display:flex}.subj-stage-title{align-items:flex-start;gap:12px;min-width:0;display:flex}.subj-stage-icon{width:42px;height:42px;color:var(--subj-blue);background:linear-gradient(145deg,#eff4f8,#dce7f2);border-radius:14px;flex-shrink:0;place-items:center;display:grid;box-shadow:0 4px 12px #1a4b841f,inset 0 1px #ffffffd9}.subj-stage-kicker{letter-spacing:.12em;text-transform:uppercase;color:var(--subj-blue);margin:0 0 2px;font-size:11px;font-weight:800}.subj-stage-title h2{letter-spacing:-.03em;color:var(--subj-ink);font-size:clamp(1.2rem,2vw,1.55rem);font-weight:600;font-family:var(--font-display,inherit);margin:0}.subj-stage-meta{color:var(--subj-muted);margin:4px 0 0;font-size:13px;font-weight:500}.subj-view-toggle{background:var(--subj-blue-soft);border:1px solid var(--subj-blue-muted);border-radius:12px;flex-shrink:0;grid-template-columns:1fr 1fr;width:min(100%,280px);padding:3px;display:grid}.subj-view-toggle button{color:#475569;cursor:pointer;background:0 0;border:0;border-radius:9px;min-height:34px;padding:0 10px;font-family:inherit;font-size:12px;font-weight:650;transition:background .18s,color .18s,box-shadow .18s}.subj-view-toggle button:hover{color:var(--subj-blue)}.subj-view-toggle button.is-active{background:var(--subj-blue);color:#fff;box-shadow:0 4px 12px #1a4b843d}.subj-details-card{border:1px solid var(--subj-line);background:var(--subj-card);border-radius:18px;overflow:hidden;box-shadow:0 8px 24px #0f172a0a}.subj-detail-tabs{background:var(--subj-blue-soft);border-bottom:1px solid var(--subj-blue-muted);grid-template-columns:repeat(4,minmax(0,1fr));gap:0;padding:6px;display:grid}.subj-detail-tabs button{color:#475569;cursor:pointer;white-space:nowrap;background:0 0;border:0;border-radius:10px;min-height:40px;font-family:inherit;font-size:12px;font-weight:650}.subj-detail-tabs button:hover{color:var(--subj-blue)}.subj-detail-tabs button.is-active{background:var(--subj-blue);color:#fff;box-shadow:0 6px 14px #1a4b8442}.subj-detail-body{background:#f8fafc;min-height:140px;padding:18px 20px}.subj-detail-body p{color:#475569;white-space:pre-wrap;margin:0;font-size:14px;line-height:1.65}.subj-detail-body.is-empty p{color:#94a3b8}.subj-lesson-list{flex-direction:column;gap:12px;display:flex}.subj-lesson-item{border:1px solid var(--subj-line);background:var(--subj-card);border-radius:16px;transition:border-color .2s,box-shadow .2s;overflow:hidden;box-shadow:0 6px 18px #0f172a0a}.subj-lesson-item.is-open{border-color:#c9d6e5;box-shadow:0 10px 28px #1a4b841a}.subj-lesson-head{text-align:left;cursor:pointer;background:0 0;border:0;justify-content:space-between;align-items:flex-start;gap:16px;width:100%;padding:18px 20px;font-family:inherit;display:flex}.subj-lesson-copy{min-width:0}.subj-lesson-kicker{letter-spacing:.14em;text-transform:uppercase;color:var(--subj-blue);margin:0 0 4px;font-size:10px;font-weight:800}.subj-lesson-copy h3{color:var(--subj-ink);letter-spacing:-.02em;margin:0 0 4px;font-size:1.05rem;font-weight:650}.subj-lesson-copy p:last-child{color:var(--subj-muted);margin:0;font-size:13px;font-weight:500}.subj-lesson-chevron{color:var(--subj-blue);flex-shrink:0;margin-top:2px;transition:transform .2s}.subj-lesson-chevron.is-open{transform:rotate(180deg)}.subj-lesson-body{border-top:1px solid var(--subj-line);padding:0 16px 16px}.subj-content-panel{border:1px solid var(--subj-blue-muted);background:#fff;border-radius:14px;margin-top:14px;overflow:hidden}.subj-headline-tabs{background:var(--subj-blue-soft);border-bottom:1px solid var(--subj-blue-muted);gap:0;padding:5px;display:flex;overflow-x:auto}.subj-headline-tabs button{color:#475569;cursor:pointer;white-space:nowrap;background:0 0;border:0;border-radius:10px;flex:none;min-height:38px;padding:0 12px;font-family:inherit;font-size:13px;font-weight:650}.subj-headline-tabs button:hover{color:var(--subj-blue)}.subj-headline-tabs button.is-active{background:var(--subj-blue);color:#fff;box-shadow:0 6px 14px #1a4b8442}.subj-content-body{background:#f8fafc;padding:14px 16px}.ci-section-label{border-bottom:1px solid #0f172a0f;align-items:center;gap:12px;margin:0 0 16px;padding:0 2px 14px;display:flex}.ci-inline-num{background:var(--subj-blue);color:#fff;border-radius:999px;flex-shrink:0;justify-content:center;align-items:center;width:30px;height:30px;font-size:13px;font-weight:800;display:inline-flex;box-shadow:0 6px 14px #1a4f8c38}.ci-inline-title{letter-spacing:-.02em;color:var(--subj-ink);flex:1;font-size:15px;font-weight:750}.ci-add-btn{border:1.5px solid var(--subj-blue-muted);color:var(--subj-blue);cursor:pointer;background:#fff;border-radius:10px;align-items:center;gap:6px;padding:7px 12px;font-family:inherit;font-size:12px;font-weight:700;display:inline-flex}.ci-add-btn:hover{background:var(--subj-blue-soft)}.ci-inline-list{background:0 0;border:0;border-radius:0;flex-direction:column;gap:8px;display:flex;overflow:visible}.ci-inline-item{gap:6px;display:grid}.ci-inline-item+.ci-inline-item{border-top:0}.ci-subpart{background:#fff;border:1px solid #0f172a14;border-radius:12px;padding:0;transition:border-color .16s,box-shadow .16s,background .16s;position:relative;overflow:hidden}.ci-subpart:hover{border-color:#1a4f8c38}.ci-subpart.is-open{border-color:#1a4f8c47;box-shadow:0 10px 28px #0f172a0f}.ci-subpart-toggle{width:100%;color:inherit;text-align:left;cursor:pointer;background:0 0;border:0;align-items:center;gap:12px;margin:0;padding:11px 12px;font-family:inherit;display:flex}.ci-subpart-toggle:hover{background:#1a4f8c09}.ci-subpart-toggle .sld-timeline-chevron{color:#94a3b8;flex-shrink:0;width:16px;height:16px;margin-left:auto;transition:transform .18s,color .18s}.ci-subpart.is-open .ci-subpart-toggle .sld-timeline-chevron,.ci-subpart-toggle:hover .sld-timeline-chevron{color:var(--subj-blue)}.ci-subpart-toggle-copy{flex:1;gap:2px;min-width:0;display:grid}.ci-subpart.is-open .ci-subpart-toggle{border-bottom:1px solid #0f172a0f}.ci-subpart-body{background:0 0;gap:0;padding:0;display:grid}.ci-subpart-body .ci-subpart-desc{background:linear-gradient(#fbfcfe 0%,#fff 48%);margin:0;padding:12px 14px 0}.ci-subpart-body .lesson-detail-body{border-top:0;border-radius:0 0 12px 12px}.ci-subpart-head-row{align-items:center;gap:8px;padding-right:8px;display:flex}.ci-subpart-head-row .ci-subpart-toggle{flex:1;min-width:0}.ci-subpart-assign{flex-shrink:0;margin:0}.ci-subpart-assigned{vertical-align:middle;margin-left:8px}.ci-subpart-toggle-copy{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.sld-lesson-row__title{flex-wrap:wrap;align-items:center;gap:8px;min-width:0;display:flex}.sld-lesson-row__title h3{margin:0}.ci-subpart-num{text-align:center;font-variant-numeric:tabular-nums;letter-spacing:.01em;min-width:2.55rem;color:var(--subj-blue);background:#1a4f8c14;border:0;border-radius:8px;flex-shrink:0;padding:5px 8px;font-size:11px;font-weight:800;line-height:1.2;position:static;top:auto;left:auto}.ci-subpart-title{letter-spacing:-.01em;color:var(--subj-ink);word-break:break-word;flex:1;font-size:13.5px;font-weight:650;line-height:1.4}.ci-subpart-edit{color:#475569;cursor:pointer;background:#fff;border:1px solid #e2e8f0;border-radius:8px;flex-shrink:0;align-items:center;gap:5px;padding:5px 10px;font-family:inherit;font-size:12px;font-weight:650;display:inline-flex}.ci-subpart-edit:hover{border-color:var(--subj-blue-muted);color:var(--subj-blue)}.ci-subpart-desc{color:#475569;background:#0f172a08;border:1px solid #0f172a0a;border-radius:10px;margin:0;padding:10px 12px;font-size:13px;line-height:1.55}.ci-subpart-partsets{border-left:2px solid #1a4f8c24;flex-direction:column;gap:6px;margin:0 0 0 18px;padding:0 0 0 14px;display:flex}.ci-subpart.ci-subpart-partset{box-shadow:none;background:#f7f9fc;border:1px solid #0f172a0d;border-radius:10px;margin:0}.ci-subpart.ci-subpart-partset:hover{background:#f3f7fc;border-color:#1a4f8c2e}.ci-subpart.ci-subpart-partset.is-open{background:#fff;border-color:#1a4f8c38;box-shadow:0 6px 18px #0f172a0d}.ci-subpart.ci-subpart-partset .ci-subpart-num{color:#3b6ea5;background:#1a4f8c0f}.ci-subpart.ci-subpart-partset .ci-subpart-body{background:0 0}.ci-subpart.ci-subpart-partset .ci-subpart-body .lesson-detail-body{background:#f8fafc}.ci-empty{text-align:center;color:#64748b;background:#f8fafccc;border:1px dashed #0f172a1f;border-radius:14px;padding:28px 20px;font-size:13px}.ci-empty p{margin:0 0 12px}@media (width<=768px){.subj-hero{padding:16px}.subj-hero-thumb{width:48px;height:48px}.subj-view-toggle{width:100%}.subj-detail-tabs{grid-template-columns:repeat(2,minmax(0,1fr))}.subj-detail-tabs button{min-height:36px;font-size:11px}.ci-subpart-toggle{gap:10px;padding:10px}.ci-subpart-partsets{margin-left:10px;padding-left:10px}.ci-section-label{flex-wrap:wrap}}.ulp-page .ulp__badge{color:var(--brand,#1a4f8c);vertical-align:middle;background:#1a4f8c1a;border-radius:999px;align-items:center;margin-left:8px;padding:.2rem .55rem;font-size:.72rem;font-weight:700;display:inline-flex}.ulp__badge--soft{color:#0f5a46;background:#0f5a461a}.ulp__badge--warn{color:#8a5a12;background:#c48e4829}.ulp__badge--done{color:#0f5a46;background:#0f5a4624}.ulp-peer-nav{background:#ffffffd9;border:1px solid #e2e8f0;border-radius:999px;align-items:center;gap:6px;padding:4px 6px;display:inline-flex}.ulp-subject-tabs{flex-wrap:wrap;gap:8px;margin:0 0 14px;display:flex}.ulp-subject-tabs button{color:#475569;height:34px;font:inherit;cursor:pointer;background:#fff;border:1px solid #e2e8f0;border-radius:999px;padding:0 12px;font-size:12px;font-weight:700}.ulp-subject-tabs button.is-active{border-color:var(--brand,#1a4f8c);color:var(--brand,#1a4f8c);background:#1a4f8c1a}.ulp-peer-nav span{text-align:center;color:#0f172a;min-width:48px;font-size:12px;font-weight:700}.ulp-peer-nav button{color:#334155;cursor:pointer;background:0 0;border:0;border-radius:50%;width:30px;height:30px;font-size:18px;line-height:1}.ulp-peer-nav button:hover:not(:disabled){color:var(--brand,#1a4f8c);background:#1a4f8c14}.ulp-peer-nav button:disabled{opacity:.35;cursor:not-allowed}.ulp-change-student{font-family:inherit;width:auto!important;height:30px!important;color:var(--brand,#1a4f8c)!important;border-radius:999px!important;padding:0 10px!important;font-size:12px!important;font-weight:700!important}.ulp__progress{background:0 0;border:0;grid-template-columns:1fr 1fr;gap:10px;margin:14px 0 12px;padding:0;display:grid}.ulp__toggle-card{background:linear-gradient(#fff 0%,#f8fafc 100%);border:1px solid #e4eaf2;border-radius:16px;justify-content:space-between;align-items:center;gap:14px;min-height:84px;padding:14px 16px;transition:border-color .2s,background .2s,box-shadow .2s,transform .2s;display:flex;box-shadow:0 1px #0f172a08}.ulp__toggle-card:hover:not(.is-blocked):not(.is-on){border-color:#cdd9ea;box-shadow:0 8px 20px #1a4f8c0f}.ulp__toggle-card.is-on{background:linear-gradient(#f3fbf7 0%,#eef8f3 100%);border-color:#0f5a4638}.ulp__progress.is-ended .ulp__toggle-card.is-on{background:linear-gradient(#f4f8fc 0%,#eef4fa 100%);border-color:#1a4f8c33}.ulp__toggle-card.is-blocked{opacity:.78}.ulp__toggle-copy{gap:3px;min-width:0;display:grid}.ulp__toggle-kicker{letter-spacing:.08em;text-transform:uppercase;color:#94a3b8;font-size:10px;font-weight:700}.ulp__toggle-card.is-on .ulp__toggle-kicker{color:#0f5a46}.ulp__progress.is-ended .ulp__toggle-card.is-on .ulp__toggle-kicker{color:var(--brand,#1a4f8c)}.ulp__toggle-title{color:#0f172a;font-size:14px;font-weight:700;line-height:1.25}.ulp__toggle-meta{color:#64748b;font-size:12px;line-height:1.35}.ulp__toggle-meta.is-done{color:#0f5a46;font-weight:600}.ulp__progress.is-ended .ulp__toggle-meta.is-done{color:var(--brand,#1a4f8c)}.ulp__toggle-meta.is-need{color:#b45309;font-weight:600}.ulp__toggle{cursor:pointer;-webkit-user-select:none;user-select:none;flex:none;display:inline-flex;position:relative}.ulp__toggle input{opacity:0;cursor:pointer;z-index:2;width:100%;height:100%;margin:0;position:absolute;inset:0}.ulp__toggle-track{background:#d7dee8;border-radius:999px;width:48px;height:28px;transition:background .22s,box-shadow .22s;display:block;position:relative;box-shadow:inset 0 1px 2px #0f172a1f}.ulp__toggle-thumb{background:#fff;border-radius:50%;width:22px;height:22px;transition:transform .22s cubic-bezier(.2,.8,.2,1);position:absolute;top:3px;left:3px;box-shadow:0 1px 2px #0f172a2e,0 4px 10px #0f172a14}.ulp__toggle.is-checked .ulp__toggle-track{background:#16a34a;box-shadow:inset 0 1px 2px #0f5a462e}.ulp__toggle:has(input:checked) .ulp__toggle-track{background:#16a34a;box-shadow:inset 0 1px 2px #0f5a462e}.ulp__progress.is-ended .ulp__toggle.is-checked .ulp__toggle-track{background:var(--brand,#1a4f8c)}.ulp__progress.is-ended .ulp__toggle:has(input:checked) .ulp__toggle-track{background:var(--brand,#1a4f8c)}.ulp__toggle.is-checked .ulp__toggle-thumb{transform:translate(20px)}.ulp__toggle:has(input:checked) .ulp__toggle-thumb{transform:translate(20px)}.ulp__toggle:has(input:focus-visible) .ulp__toggle-track{outline-offset:3px;outline:2px solid #1a4f8c59}.ulp__toggle:has(input:disabled){cursor:not-allowed}.ulp__toggle:has(input:disabled) .ulp__toggle-track{opacity:.72}.ulp__toggle:not(.is-checked):has(input:not(:disabled)):hover .ulp__toggle-track{background:#c5cedb}.ulp__toggle:not(.is-checked):has(input:not(:disabled)):active .ulp__toggle-thumb{transform:scale(.96)}.ulp__readonly{opacity:.8}.ulp__readonly .ulp__toggle-card{pointer-events:none}.ulp__reopen-wrap{margin:0 0 12px}.ulp__reopen-btn{width:100%;height:42px;color:var(--brand,#1a4f8c);font:inherit;cursor:pointer;background:linear-gradient(#fff 0%,#f3f7fc 100%);border:1px solid #1a4f8c47;border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:0 16px;font-size:13px;font-weight:700;transition:background .18s,border-color .18s,box-shadow .18s,transform .15s;display:inline-flex}.ulp__reopen-btn:hover:not(:disabled){border-color:var(--brand,#1a4f8c);background:linear-gradient(#f7fbff 0%,#eaf2fb 100%);box-shadow:0 6px 16px #1a4f8c1a}.ulp__reopen-btn:active:not(:disabled){transform:translateY(1px)}.ulp__reopen-btn:disabled{opacity:.55;cursor:not-allowed}.ulp-inner-tabs{border:0;border-bottom:1px solid #1a4f8c33;border-radius:0;width:100%;max-width:none;margin:0}.ulp__parts{gap:10px;display:grid}.ulp__part{background:#fff;border:1px solid #e8ecf2;border-radius:12px;padding:0;overflow:hidden}.ulp__part h4{color:#0f172a;margin:0 0 4px;font-size:.95rem}.ulp__part-desc{color:#475569;margin:0;padding:0 14px 10px;font-size:13px;line-height:1.5}.ulp__part-top{justify-content:space-between;align-items:flex-start;gap:10px;padding:12px 14px 8px;display:flex}.ulp__media{flex-wrap:wrap;gap:10px;margin-top:8px;display:flex}.ulp__media a{color:var(--brand,#1a4f8c);font-size:12px;font-weight:650}.ulp__result-form{background:#fff;border:1px dashed #d5dde8;border-radius:12px;gap:8px;padding:12px;display:grid}.ulp__result-form textarea,.ulp__result-form input{font:inherit;color:#0f172a;border:1px solid #e2e8f0;border-radius:10px;padding:10px 12px}.ulp__result-form textarea{resize:vertical;min-height:72px}.ulp__hint{color:#94a3b8;margin:0;font-size:12px}.ulp__nav{flex-wrap:wrap;gap:8px;display:flex}.ulp-mini-btn{border:1px solid var(--brand,#1a4f8c);background:var(--brand,#1a4f8c);color:#fff;cursor:pointer;border-radius:10px;height:34px;padding:0 12px;font-family:inherit;font-size:12px;font-weight:700}.ulp-mini-btn.is-ghost{color:#475569;background:#fff;border-color:#e2e8f0}.ulp-mini-btn:disabled{opacity:.55;cursor:not-allowed}.ulp-readonly-note{color:#0f5a46;margin:0 0 10px;font-weight:650}.ulp-part-stack{gap:8px;display:grid}.ulp-part-children{border-left:2px solid #1a4f8c2e;gap:8px;margin-left:14px;padding-left:12px;display:grid}.ulp__part.is-partset{background:linear-gradient(#f8fafc 0%,#f1f5f9 100%)}.ulp-media-upload{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.ulp-upload-btn{color:#475569;cursor:pointer;background:#fff;border:1px solid #e2e8f0;border-radius:8px;align-items:center;height:32px;padding:0 10px;font-size:12px;font-weight:700;display:inline-flex}.ulp-upload-btn:hover{border-color:var(--brand,#1a4f8c);color:var(--brand,#1a4f8c)}.ulp-page{--color-primary:#1a4f8c;--color-primary-light:#1a4f8c14;--color-primary-muted:#1a4f8c2e;--border-color:#e8e4de;--sld-text:#111827;--sld-text-secondary:#334155;--sld-text-muted:#4b5563;--sld-text-faint:#94a3b8;--sld-surface:#fff;--sld-surface-soft:#f8fafc}.ulp-sld-panel.sld-panel{margin-top:8px}.sld-panel-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:18px;display:flex}.sld-panel-stage-heading{align-items:center;gap:12px;min-width:0;display:flex}.sld-panel-stage-icon{background:var(--color-primary-light);width:40px;height:40px;color:var(--color-primary);border:1px solid var(--color-primary-muted);border-radius:12px;flex-shrink:0;place-items:center;display:grid}.sld-panel-stage{letter-spacing:-.02em;color:var(--sld-text,#111827);flex-wrap:wrap;align-items:baseline;gap:10px;margin:0;font-size:clamp(1.15rem,2.4vw,1.45rem);font-weight:700;line-height:1.25;display:flex}.sld-panel-stage-num{color:var(--sld-text,#111827)}.sld-panel-stage-sep{color:var(--sld-text-faint,#94a3b8);font-weight:500}.sld-panel-stage-name{color:var(--sld-text-secondary,#334155);font-weight:650}.sld-view-toggle{background:var(--color-primary-light);border:1px solid var(--color-primary-muted);border-radius:12px;flex-shrink:0;grid-template-columns:1fr 1fr;width:min(100%,280px);padding:3px;display:grid}.sld-view-toggle button{min-height:34px;color:var(--sld-text-muted,#475569);cursor:pointer;background:0 0;border:0;border-radius:9px;padding:0 10px;font-family:inherit;font-size:12px;font-weight:650;transition:background .18s,color .18s,box-shadow .18s}.sld-view-toggle button:hover{color:var(--color-primary)}.sld-view-toggle button.active{background:var(--color-primary);color:#fff;box-shadow:0 4px 12px #1a4b843d}.sld-details{background:var(--sld-surface,#fff);border:1px solid var(--border-color,#e8e4de);border-radius:16px;padding:20px;box-shadow:0 4px 16px #1a23320d}.sld-details--all-lessons{padding:12px 14px 16px}.sld-details--all-lessons .sld-part-panel-wrap{margin:0}.sld-all-lessons{gap:14px;display:grid}.sld-all-lessons__hint{letter-spacing:.04em;text-transform:uppercase;color:var(--sld-text-faint,#94a3b8);margin-left:auto;font-size:11px;font-weight:700}.sld-all-lesson-block{border:1px solid var(--border-color,#e8e4de);background:var(--sld-surface-soft,#f8fafc);border-radius:14px;gap:0;padding:0;display:grid;overflow:hidden}.sld-all-lesson-toggle{width:100%;color:inherit;text-align:left;cursor:pointer;background:0 0;border:0;justify-content:space-between;align-items:center;gap:12px;margin:0;padding:12px 14px;font-family:inherit;display:flex}.sld-all-lesson-toggle:hover{background:#1a4f8c0a}.sld-all-lesson-toggle-copy{flex:1;min-width:0}.sld-all-lesson-toggle-copy h3,.sld-all-lesson-toggle .sld-lesson-row__left h3{letter-spacing:-.02em;color:var(--sld-text,#0f172a);margin:0;font-size:15px}.sld-all-lesson-collapsed-meta{color:var(--sld-text-secondary,#334155);white-space:nowrap;text-overflow:ellipsis;margin:2px 0 0;font-size:13px;font-weight:600;overflow:hidden}.sld-all-lesson-toggle .sld-timeline-chevron{color:var(--sld-text-muted,#64748b);flex-shrink:0}.sld-all-lesson-block.is-open .sld-all-lesson-toggle{border-bottom:1px solid var(--border-color,#e8e4de);background:#ffffff8c}.sld-all-lesson-body{background:#fff;gap:10px;padding:12px 14px 14px;display:grid}.sld-all-lesson-head{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.sld-all-lesson-head h3{letter-spacing:-.02em;color:var(--sld-text,#0f172a);margin:2px 0 0;font-size:16px}.sld-detail-panel{border:1px 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li,.tdash-action{background:#f6f3ece6;border:1px solid #1e281e12}.tdash-online__ring{background:radial-gradient(closest-side, #fff 72%, transparent 73% 100%), conic-gradient(var(--brand,#0f5a46) calc(var(--p) * 1%), #dedfd9 0)}.tdash-breakdown__bar .is-done,.tdash-breakdown__legend i.is-done{background:var(--brand,#0f5a46)}.tdash-breakdown__bar .is-review,.tdash-breakdown__legend i.is-review{background:#966f52}.tdash-table th,.tdash-table td{border-bottom-color:#1e281e17}.tdash-table tbody tr:hover{background:#f6f3ecb8}.tdash-avatars span{background:#966f52}.tdash-avatars span:first-child{background:var(--brand,#0f5a46)}.tdash-action:hover{background:#fff;border-color:#0f5a4640}@media 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12px;font-size:12px;font-weight:600;text-decoration:none;display:inline-flex;box-shadow:0 3px 8px #1a4b842e}.teacher-dashboard-action-btn:hover{color:#fff;background:#143a66}@media (width>=768px){.teacher-dashboard-schedule,.teacher-dashboard-actions{padding:16px}.teacher-dashboard-section-head h2{font-size:17px}.teacher-dashboard-action-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}}[data-theme=dark] .teacher-dashboard-schedule,[data-theme=dark] .teacher-dashboard-actions,[data-theme=dark] .teacher-dashboard-slot-cell,[data-theme=dark] .teacher-dashboard-action{background:var(--td-surface,#1a2332);border-color:var(--td-line,#ffffff14)}[data-theme=dark] .teacher-dashboard-section-head h2,[data-theme=dark] .teacher-dashboard-action h3,[data-theme=dark] .teacher-dashboard-event-title{color:var(--td-ink,#e8eef8)}[data-theme=dark] 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h1{letter-spacing:-.03em;color:var(--ms-ink);font-size:clamp(1.55rem,2.4vw,1.9rem);font-weight:700;font-family:var(--font-display,inherit);margin:0}.my-students-heading p{color:var(--ms-muted);margin:4px 0 0;font-size:13px}.my-students-controls{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.my-students-search{border:1px solid var(--ms-line);color:#94a3b8;background:#fff;border-radius:12px;align-items:center;gap:8px;min-width:200px;height:40px;padding:0 12px;display:inline-flex}.my-students-search input{width:100%;font:inherit;color:#334155;background:0 0;border:0;outline:none;font-size:13px;font-weight:500}.my-students-dropdown{position:relative}.my-students-control-btn{border:1px solid var(--ms-line);color:#475569;height:40px;font:inherit;cursor:pointer;background:#fff;border-radius:12px;align-items:center;gap:8px;padding:0 12px;font-size:13px;font-weight:600;display:inline-flex}.my-students-control-btn svg.open{transform:rotate(180deg)}.my-students-menu{border:1px solid var(--ms-line);z-index:30;background:#fff;border-radius:12px;min-width:180px;max-height:280px;padding:6px;position:absolute;top:calc(100% + 6px);right:0;overflow:auto;box-shadow:0 14px 32px #0f172a1f}.my-students-menu button{text-align:left;width:100%;font:inherit;color:#475569;cursor:pointer;background:0 0;border:0;border-radius:8px;padding:10px 12px;font-size:13px;font-weight:500;display:block}.my-students-menu button:hover,.my-students-menu button.active{color:var(--ms-brand);background:#1a4f8c14}.my-students-stats{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:16px;display:grid}.my-students-stat{border:1px solid var(--ms-line);background:radial-gradient(circle at 0 0,#1a4f8c14,#0000 55%),#fff;border-radius:14px;padding:12px 14px}.my-students-stat strong{color:var(--ms-brand);font-size:1.35rem;font-weight:800;line-height:1.1;display:block}.my-students-stat 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strong{color:var(--ms-ink);word-break:break-word;margin-top:4px;font-size:13px;font-weight:650;display:block}.my-students-panels{grid-template-columns:1.35fr .9fr;gap:12px;display:grid}.my-students-panel{background:var(--ms-soft);border:1px solid #eef2f7;border-radius:14px;padding:14px}.my-students-panel h3{color:var(--ms-ink);margin:0 0 12px;font-size:13px;font-weight:750}.my-students-course-list{gap:8px;display:grid}.my-students-course-row{border:1px solid var(--ms-line);background:#fff;border-radius:12px;gap:8px;padding:10px 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