:root{color-scheme:light;--color-page: #f7fbff;--color-surface: #ffffff;--color-surface-soft: #eef7ff;--color-text: #14304f;--color-heading: #092b57;--color-muted: #5c7188;--color-border: #d8e8f5;--color-on-primary: #ffffff;--color-primary: #0090f2;--color-primary-strong: #0067b5;--color-primary-deep: #004f8f;--color-accent: #f5b642;--color-accent-soft: #fff6df;--color-focus: rgb(0 144 242 / 42%);--color-overlay-top: rgb(255 255 255 / 82%);--color-overlay-bottom: rgb(255 255 255 / 72%);--color-primary-glow: rgb(0 144 242 / 8%);--color-nav-surface: rgb(255 255 255 / 78%);--color-panel-surface: rgb(255 255 255 / 88%);--color-card-surface: rgb(255 255 255 / 92%);--color-logo-backplate: transparent;--shadow-soft: 0 18px 46px rgb(9 43 87 / 9%);--shadow-card: 0 14px 34px rgb(9 43 87 / 7%);--radius-card: 2px;--radius-small: 2px;--space-page: clamp(18px, 4vw, 52px);--font-body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}[data-theme=dark]{color-scheme:dark;--color-page: #071827;--color-surface: #102a40;--color-surface-soft: #123552;--color-text: #e7f2fb;--color-heading: #ffffff;--color-muted: #b7c9d8;--color-border: #24465e;--color-on-primary: #ffffff;--color-primary: #0090f2;--color-primary-strong: #35aaf7;--color-primary-deep: #80ccff;--color-accent: #f5b642;--color-accent-soft: #2c2718;--color-focus: rgb(53 170 247 / 54%);--color-overlay-top: rgb(7 24 39 / 86%);--color-overlay-bottom: rgb(7 24 39 / 78%);--color-primary-glow: rgb(0 144 242 / 16%);--color-nav-surface: rgb(16 42 64 / 82%);--color-panel-surface: rgb(16 42 64 / 88%);--color-card-surface: rgb(16 42 64 / 92%);--color-logo-backplate: transparent;--shadow-soft: 0 18px 46px rgb(0 0 0 / 20%);--shadow-card: 0 14px 34px rgb(0 0 0 / 18%)}*{box-sizing:border-box}html{background:var(--color-page)}body{margin:0;min-width:320px;color:var(--color-text);font-family:var(--font-body);background:var(--color-page)}button,input,textarea,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--color-focus);outline-offset:3px}h1,h2,h3,p{overflow-wrap:anywhere}h1,h2,h3{color:var(--color-heading);letter-spacing:0}.app-background{position:relative;min-height:100vh;overflow:hidden;background:var(--background-gradient)}.app-background:before{position:fixed;inset:0;z-index:0;pointer-events:none;content:"";background:linear-gradient(180deg,var(--color-overlay-top),var(--color-overlay-bottom)),radial-gradient(circle at 84% 18%,var(--color-primary-glow),transparent 30%)}.background-picture,.background-image{position:fixed;inset:0;z-index:0;width:100%;height:100%;pointer-events:none}.background-image{object-fit:cover;object-position:var(--background-object-position)}.background-motifs{position:fixed;inset:0;z-index:0;pointer-events:none}.triangle{position:absolute;width:0;height:0;opacity:.16}.triangle--large{top:126px;right:-36px;border-top:145px solid transparent;border-bottom:145px solid transparent;border-left:250px solid var(--brand-primary)}.triangle--small{top:460px;left:7vw;border-top:42px solid transparent;border-bottom:42px solid transparent;border-left:74px solid var(--color-accent);opacity:.18}.triangle--soft{right:18vw;bottom:70px;border-top:82px solid transparent;border-bottom:82px solid transparent;border-left:142px solid var(--brand-primary);opacity:.08}.topbar,.app-shell{position:relative;z-index:1}.topbar{display:grid;z-index:5;grid-template-columns:auto minmax(0,1fr) auto;gap:18px;align-items:center;width:min(1200px,calc(100% - 32px));margin:0 auto;padding:12px 16px;border:1px solid var(--color-border);border-radius:2px;background:var(--color-nav-surface);box-shadow:var(--shadow-card);transform:translateY(14px)}.brand-link{display:inline-flex;align-items:center;min-width:170px;border-radius:var(--radius-small);background:var(--color-logo-backplate)}.brand-picture{display:inline-flex;align-items:center}.brand-logo{display:block;width:calc(clamp(154px,17vw,212px) * var(--brand-logo-scale));height:auto}.primary-nav{display:flex;justify-content:center;gap:10px;padding:0;border:0;border-radius:2px;background:transparent}.nav-link{position:relative;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;min-width:78px;min-height:58px;gap:5px;border:1px solid transparent;border-radius:2px;padding:7px 10px;color:var(--color-muted);font-size:.78rem;font-weight:700;text-decoration:none}.nav-icon{width:20px;height:20px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.9}.nav-link--active{border-color:#0090f23d;color:var(--color-primary-deep);background:var(--color-surface-soft)}.nav-link--active:after{position:absolute;right:10px;bottom:4px;left:10px;height:2px;border-radius:999px;background:var(--color-primary);content:""}.topbar-actions{display:inline-flex;align-items:center;justify-content:flex-end;gap:8px;min-width:214px}.icon{width:20px;height:20px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.9}.icon--chevron{width:16px;height:16px}.icon-button{position:relative;display:inline-flex;width:42px;height:42px;flex:0 0 auto;align-items:center;justify-content:center;border:1px solid var(--color-border);border-radius:999px;background:var(--color-surface);color:var(--color-primary-deep);cursor:pointer;text-decoration:none}.icon-button--active,.icon-button:hover{border-color:#0090f252;background:var(--color-surface-soft)}.notification-button{padding:0}.notification-badge{position:absolute;top:-3px;right:-2px;display:inline-flex;min-width:18px;height:18px;align-items:center;justify-content:center;border:2px solid var(--color-surface);border-radius:999px;background:var(--color-accent);color:#382600;font-size:.68rem;font-weight:900}.xp-indicator{display:inline-flex;min-height:42px;align-items:center;gap:7px;border:1px solid rgb(0 144 242 / 22%);border-radius:999px;padding:0 12px;background:var(--color-surface-soft);color:var(--color-primary-deep)}.xp-indicator span{font-size:.76rem;font-weight:900}.xp-indicator strong{font-size:.94rem}.teacher-badge{display:inline-flex;width:42px;height:42px;align-items:center;justify-content:center;border:1px solid rgb(0 144 242 / 22%);border-radius:999px;background:var(--color-surface);color:var(--color-primary-deep);font-size:.88rem;font-weight:800;box-shadow:var(--shadow-card)}.profile-menu{position:relative}.profile-summary{display:inline-flex;min-height:44px;align-items:center;gap:8px;border:1px solid var(--color-border);border-radius:999px;padding:3px 10px 3px 3px;background:var(--color-surface);color:var(--color-heading);cursor:pointer;list-style:none}.profile-name{font-size:.9rem;font-weight:800}.profile-dropdown{position:absolute;top:calc(100% + 10px);right:0;z-index:20;display:grid;min-width:210px;border:1px solid var(--color-border);border-radius:2px;padding:8px;background:var(--color-surface);box-shadow:var(--shadow-soft)}.profile-dropdown a,.profile-dropdown button{display:flex;min-height:40px;align-items:center;border:0;border-radius:2px;padding:0 12px;background:transparent;color:var(--color-heading);cursor:pointer;font:inherit;font-size:.92rem;font-weight:750;text-align:left;text-decoration:none}.profile-dropdown a:hover,.profile-dropdown button:hover,.profile-dropdown a:focus-visible,.profile-dropdown button:focus-visible{background:var(--color-surface-soft);color:var(--color-primary-deep)}.app-shell{width:min(1200px,100%);margin:0 auto;padding:24px var(--space-page) 48px}.home-hero{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(300px,.75fr);gap:28px;align-items:stretch;padding:56px 0 30px}.hero-copy-block{position:relative;overflow:hidden;padding:clamp(26px,4vw,48px);border:1px solid var(--color-border);border-radius:var(--radius-card);background:var(--color-panel-surface);box-shadow:var(--shadow-soft)}.hero-copy-block:after{position:absolute;right:-34px;bottom:26px;width:0;height:0;border-top:72px solid transparent;border-bottom:72px solid transparent;border-left:126px solid var(--color-primary);content:"";opacity:.08}.eyebrow,.card-kicker{margin:0 0 12px;color:var(--color-primary-deep);font-size:.82rem;font-weight:800;letter-spacing:0;text-transform:uppercase}h1{max-width:760px;margin:0;font-size:clamp(2.15rem,4.8vw,4.6rem);line-height:1.02}h2{margin:0;font-size:1.45rem;line-height:1.22}h3{margin:0;font-size:1.08rem;line-height:1.25}.hero-copy{max-width:660px;margin:20px 0 0;color:var(--color-muted);font-size:1.08rem;line-height:1.65}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.button{display:inline-flex;min-height:46px;align-items:center;justify-content:center;border:1px solid transparent;border-radius:var(--radius-small);padding:0 18px;cursor:pointer;font-weight:800;text-decoration:none}.button--hero{min-width:176px;gap:10px}.button-icon{width:21px;height:21px;flex:0 0 auto;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:2}.button--primary .button-icon{fill:currentColor;stroke:none}.button--primary{background:var(--color-primary);color:var(--color-on-primary);box-shadow:0 14px 28px #0090f238}.button--secondary{border-color:#0090f23d;background:var(--color-surface);color:var(--color-primary-deep)}.button--compact{width:100%;margin-top:20px;background:var(--color-primary-deep);color:var(--color-on-primary)}.status-card,.action-card,.info-card,.notice-bar{border:1px solid var(--color-border);border-radius:var(--radius-card);background:var(--color-card-surface);box-shadow:var(--shadow-card)}.status-card{padding:26px}.level-card{display:grid;align-content:center;gap:16px;border:1px solid var(--color-border);border-radius:var(--radius-card);padding:clamp(22px,3vw,30px);background:var(--color-card-surface);box-shadow:var(--shadow-card)}.level-card__topline{display:flex;align-items:center;justify-content:space-between;gap:12px}.level-card .card-kicker{margin:0}.level-card h2{font-size:clamp(2.2rem,4vw,3.4rem)}.level-card p{margin:0;color:var(--color-muted);line-height:1.55}.level-pill{border:1px solid rgb(0 144 242 / 24%);border-radius:999px;padding:7px 11px;background:var(--color-surface-soft);color:var(--color-primary-deep);font-size:.86rem;font-weight:900}.progress-track{width:100%;height:12px;overflow:hidden;border-radius:999px;background:var(--color-surface-soft)}.progress-fill{display:block;width:68%;height:100%;border-radius:inherit;background:var(--color-primary)}.progress-caption{color:var(--color-muted);font-size:.88rem;font-weight:800}.modal-backdrop{position:fixed;inset:0;z-index:30;display:grid;place-items:center;padding:18px;background:#0618287a;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.modal-card{display:grid;gap:18px;width:min(520px,100%);max-height:min(680px,calc(100vh - 36px));overflow:auto;border:1px solid var(--color-border);border-radius:var(--radius-card);padding:clamp(22px,4vw,30px);background:var(--color-surface);box-shadow:0 26px 80px #0000003d}.modal-header .eyebrow{margin-bottom:8px}.modal-copy{margin:0;color:var(--color-muted);line-height:1.55}.option-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.choice-tile,.method-choice-card{border:1px solid var(--color-border);border-radius:var(--radius-small);background:var(--color-surface-soft);color:var(--color-heading);cursor:pointer;font:inherit}.choice-tile{min-height:56px;font-size:1.05rem;font-weight:900}.method-card-grid{display:grid;gap:10px}.method-choice-card{display:grid;gap:5px;min-height:78px;padding:16px;text-align:left}.method-choice-card strong{color:var(--color-heading)}.method-choice-card span{color:var(--color-muted);font-size:.92rem}.choice-tile:hover,.method-choice-card:hover{border-color:#0090f257;background:var(--color-card-surface)}.modal-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end;padding-top:4px}.status-list,.detail-list{display:grid;gap:12px;margin:24px 0 0}.status-list div,.detail-list div{display:grid;grid-template-columns:92px minmax(0,1fr);gap:16px;align-items:baseline;border-top:1px solid var(--color-border);padding-top:12px}dt{color:var(--color-muted);font-size:.86rem;font-weight:700}dd{margin:0;color:var(--color-heading);font-weight:800}.section-block{padding:14px 0 28px}.section-heading{margin-bottom:14px}.section-heading h2{display:inline-flex;border:1px solid var(--color-border);border-radius:var(--radius-small);padding:8px 12px;background:var(--color-card-surface);box-shadow:var(--shadow-card)}.action-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.action-card{position:relative;display:grid;grid-template-columns:auto minmax(0,1fr);gap:15px;align-items:start;min-height:132px;overflow:hidden;padding:24px 22px;text-decoration:none;transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease}.action-card:hover{border-color:color-mix(in srgb,var(--action-accent) 32%,var(--color-border));box-shadow:0 12px 28px #092b5714;transform:translateY(-1px)}.button:hover,.nav-link:hover{filter:brightness(.98)}.action-card p,.info-card-copy,.notice-bar span{color:var(--color-muted);line-height:1.55}.action-card p{grid-column:2;margin:6px 0 0;font-size:.9rem}.action-card h3{align-self:end;color:var(--action-accent);font-size:1rem;line-height:1.25}.action-card:after{position:absolute;right:-34px;bottom:10px;width:0;height:0;border-top:54px solid transparent;border-bottom:54px solid transparent;border-left:96px solid var(--action-accent);content:"";opacity:.045}.action-card--green{--action-accent: #1f9d72}.action-card--purple{--action-accent: #7b61c9}.action-card--orange{--action-accent: #e97834}.action-card--magenta{--action-accent: #c84687}.action-icon-wrap{display:inline-flex;grid-row:span 2;width:46px;height:46px;align-items:center;justify-content:center;border:1px solid color-mix(in srgb,var(--action-accent) 22%,var(--color-border));border-radius:2px;margin:0;background:color-mix(in srgb,var(--action-accent) 10%,var(--color-surface));color:var(--action-accent)}.action-icon{width:25px;height:25px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:2}.continuation-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;padding:8px 0 22px}.info-card{padding:24px}.info-card-copy{margin:16px 0 0}.route-line{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}.route-line span{border:1px solid rgb(0 144 242 / 22%);border-radius:999px;padding:8px 12px;background:var(--color-surface-soft);color:var(--color-primary-deep);font-size:.9rem;font-weight:800}.notice-bar{display:flex;gap:12px;align-items:center;padding:16px 18px}.notice-bar strong{color:var(--color-heading)}.daily-challenge-card{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(160px,240px);gap:22px;align-items:center;overflow:hidden;border:1px solid var(--color-border);border-radius:var(--radius-card);padding:clamp(22px,4vw,32px);background:linear-gradient(135deg,color-mix(in srgb,var(--color-primary) 12%,transparent),transparent 58%),var(--color-card-surface);box-shadow:var(--shadow-card)}.daily-challenge-card:after{position:absolute;right:170px;bottom:-28px;width:0;height:0;border-top:86px solid transparent;border-bottom:86px solid transparent;border-left:150px solid var(--color-primary);content:"";opacity:.08}.daily-challenge-content{position:relative;z-index:1;display:grid;gap:18px}.daily-challenge-copy{max-width:760px;margin:12px 0 0;color:var(--color-muted);line-height:1.6}.challenge-levels{display:flex;flex-wrap:wrap;gap:8px}.challenge-level{min-width:46px;min-height:38px;border:1px solid var(--color-border);border-radius:999px;background:var(--color-surface);color:var(--color-primary-deep);cursor:pointer;font:inherit;font-weight:900}.challenge-level:hover,.challenge-level:focus-visible{border-color:#0090f257;background:var(--color-surface-soft)}.challenge-stars{display:inline-flex;gap:7px;color:var(--color-accent)}.challenge-star{display:inline-flex;width:26px;height:26px;align-items:center;justify-content:center}.challenge-star svg{width:100%;height:100%;fill:currentColor;stroke:#764e0847;stroke-width:1.1}.challenge-progress-label{display:flex;flex-wrap:wrap;gap:8px 14px;justify-content:space-between;margin-bottom:8px;color:var(--color-muted);font-size:.9rem}.challenge-progress-label strong{color:var(--color-heading)}.challenge-progress-track{height:12px;overflow:hidden;border-radius:999px;background:var(--color-surface-soft)}.challenge-progress-fill{display:block;width:0%;height:100%;border-radius:inherit;background:var(--color-accent)}.challenge-button{width:fit-content}.challenge-gift{position:relative;z-index:1;display:grid;place-items:center;width:min(210px,100%);aspect-ratio:1;justify-self:center;border:1px solid rgb(0 144 242 / 18%);border-radius:2px;background:radial-gradient(circle at 34% 24%,rgb(245 182 66 / 28%),transparent 28%),var(--color-surface-soft);color:var(--color-primary-deep)}.challenge-gift-icon{width:112px;height:112px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8}.gift-state,.gift-state--closed{--gift-lid-opacity: 0}.gift-state--half-open,.gift-state--open{--gift-lid-opacity: 1}.gift-lid{position:absolute;top:46px;left:50%;width:84px;height:12px;border-radius:999px;background:var(--color-accent);opacity:var(--gift-lid-opacity);transform:translate(-50%) rotate(-8deg)}.gift-lid--open{opacity:0;transform:translate(-50%) translateY(-14px) rotate(-18deg)}.route-page{display:grid;gap:22px;padding:34px 0 0}.route-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(250px,340px);gap:24px;align-items:stretch;border:1px solid var(--color-border);border-radius:var(--radius-card);padding:clamp(24px,4vw,42px);background:var(--color-panel-surface);box-shadow:var(--shadow-soft)}.route-summary{display:grid;align-content:center;gap:10px;border:1px solid var(--color-border);border-radius:var(--radius-card);padding:20px;background:var(--color-surface-soft)}.summary-label{color:var(--color-muted);font-size:.82rem;font-weight:800;text-transform:uppercase}.route-summary strong{color:var(--color-heading);font-size:1.05rem}.route-content-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.plain-list{display:grid;gap:12px;margin:18px 0 0;padding:0;list-style:none}.plain-list li{position:relative;padding-left:22px;color:var(--color-heading);font-weight:750;line-height:1.45}.plain-list li:before{position:absolute;top:.58em;left:0;width:8px;height:8px;border-radius:999px;background:var(--color-primary);content:""}.plain-list--muted li{color:var(--color-muted)}@media(max-width:980px){.topbar{grid-template-columns:auto 1fr;gap:12px}.primary-nav{order:3;grid-column:1 / -1;width:100%;justify-content:flex-start;border-radius:var(--radius-card);overflow-x:auto;scrollbar-width:none}.primary-nav::-webkit-scrollbar{display:none}.topbar-actions{min-width:0}.home-hero,.continuation-grid,.daily-challenge-card,.route-hero,.route-content-grid{grid-template-columns:1fr}.action-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:620px){.topbar{width:min(100% - 24px,1200px);grid-template-columns:1fr;padding:10px}.brand-link{justify-self:start;min-width:0}.topbar-actions{grid-column:1 / -1;width:100%;justify-content:space-between}.primary-nav{grid-column:1 / -1;display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}.nav-link{justify-content:center;min-height:40px;padding:0 8px;font-size:.84rem;text-align:center}.xp-indicator{min-height:40px;gap:5px;padding:0 9px;font-size:.82rem}.xp-indicator span,.xp-indicator strong{font-size:.78rem}.profile-summary{padding-right:7px}.profile-dropdown{right:-4px}.app-shell{padding:10px 12px 32px}.home-hero{padding-top:18px}.hero-copy-block,.status-card,.level-card,.info-card{padding:20px}h1{font-size:2.35rem}.hero-actions,.notice-bar{align-items:stretch;flex-direction:column}.button,.challenge-button{width:100%}.challenge-gift{width:min(142px,54vw)}.challenge-gift-icon{width:82px;height:82px}.option-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.modal-actions{align-items:stretch;flex-direction:column}.action-grid{grid-template-columns:1fr}.status-list div,.detail-list div{grid-template-columns:1fr;gap:4px}}