:root{--text:#1c2128;--text-muted:#5c6470;--bg:#f6f7f9;--bg-elevated:#fff;--border:#e0e3e8;--border-strong:#c7cbd3;--accent:#d8232a;--accent-hover:#b71c22;--accent-text:#d8232a;--accent-soft:#fbe7e7;--accent-contrast:#fff;--error:#9f1239;--error-soft:#fce8ee;--success:#15803d;--success-soft:#eaf7ef;--landscape:url(/swiss-landscape.jpg);--landscape-scrim:linear-gradient(to bottom, var(--bg) 0%, #f6f7f947 30%, #f6f7f947 100%);--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--shadow-sm:0 1px 2px #14141e0f, 0 1px 1px #14141e0a;--shadow-md:0 4px 12px #14141e14, 0 2px 4px #14141e0a;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font:16px/1.5 Inter,system-ui,Segoe UI,Roboto,sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--text:#e7e9ee;--text-muted:#9aa1ac;--bg:#0b0c0f;--bg-elevated:#1c2029;--border:#30353f;--border-strong:#454b58;--accent:#d8232a;--accent-hover:#ef3a3a;--accent-text:#ff6259;--accent-soft:#341715;--accent-contrast:#fff;--error:#fb7185;--error-soft:#2e1420;--success:#4ade80;--success-soft:#142a1c;--landscape-scrim:linear-gradient(to bottom, var(--bg) 0%, #0b0c0f66 30%, #0b0c0f66 100%);--shadow-sm:0 1px 2px #0006;--shadow-md:0 8px 20px #00000073}}*{box-sizing:border-box}body{z-index:0;background:var(--bg);margin:0;position:relative}body:before{content:"";z-index:-1;pointer-events:none;background-image:var(--landscape-scrim), var(--landscape);background-position:bottom,50% 15%;background-repeat:no-repeat,no-repeat;background-size:100% 100%,cover;height:min(46vh,520px);position:fixed;inset:auto 0 0}#root{min-height:100svh;position:relative}.app-main h1,.app-main .page-subtitle,.practice h1,.auth-intro>*{text-shadow:0 0 4px var(--bg), 0 0 14px var(--bg)}h1{letter-spacing:-.01em;margin:0 0 .25rem;font-size:1.5rem;font-weight:700}h2{margin:0 0 .75rem;font-size:1.1rem;font-weight:600}p{margin:0}a{color:var(--accent-text)}form{flex-direction:column;gap:1rem;display:flex}label{color:var(--text-muted);flex-direction:column;gap:.35rem;font-size:.9rem;font-weight:500;display:flex}input,select,textarea{border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--bg-elevated);color:var(--text);padding:.65rem .75rem;font-family:inherit;font-size:1rem;transition:border-color .15s,box-shadow .15s}input:focus-visible,select:focus-visible,textarea:focus-visible{border-color:var(--accent-text);box-shadow:0 0 0 3px var(--accent-soft);outline:none}textarea{resize:vertical}.btn,button{border-radius:var(--radius-sm);cursor:pointer;background:var(--accent);min-height:44px;color:var(--accent-contrast);border:1px solid #0000;justify-content:center;align-items:center;gap:.4rem;padding:.65rem 1.1rem;font-family:inherit;font-size:1rem;font-weight:600;text-decoration:none;transition:background-color .15s,border-color .15s,transform 50ms;display:inline-flex}.btn:hover,button:hover{background:var(--accent-hover)}.btn:active,button:active{transform:translateY(1px)}.btn:disabled,button:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-secondary{color:var(--accent-text);border-color:var(--border-strong);background:0 0}.btn-secondary:hover{background:var(--accent-soft);border-color:var(--accent-text)}.btn-ghost{color:var(--text-muted);background:0 0;border-color:#0000;font-weight:500}.btn-ghost:hover{background:var(--border);color:var(--text)}.btn-sm{min-height:36px;padding:.4rem .75rem;font-size:.875rem}.card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:1.5rem}.badge{background:var(--accent-soft);color:var(--accent-text);white-space:nowrap;border-radius:999px;align-items:center;padding:.2rem .6rem;font-size:.75rem;font-weight:600;display:inline-flex}.auth-layout{flex-direction:column;min-height:100svh;display:flex}.auth-topbar{justify-content:flex-end;padding:1rem 1.25rem 0;display:flex}.auth-content{flex:1;justify-content:center;align-items:center;padding:1.5rem 1rem;display:flex}.auth-columns{justify-content:center;align-items:center;gap:3.5rem;width:100%;max-width:960px;display:flex}.auth-brand{align-items:center;gap:.5rem;font-size:1.25rem;font-weight:700;display:flex}.auth-intro{flex-direction:column;flex:380px;gap:.75rem;max-width:440px;display:flex}.auth-tagline{letter-spacing:-.01em;font-size:1.4rem;font-weight:700}.auth-description{color:var(--text-muted);font-size:1rem}.auth-steps{flex-direction:column;gap:.85rem;margin:.25rem 0 0;padding:0;list-style:none;display:flex}.auth-steps li{text-align:left;align-items:flex-start;gap:.75rem;display:flex}.auth-step-num{background:var(--accent-soft);width:1.65rem;height:1.65rem;color:var(--accent-text);border-radius:50%;flex:none;justify-content:center;align-items:center;font-size:.85rem;font-weight:700;display:flex}.auth-step-title{font-weight:600}.auth-step-body{color:var(--text-muted);margin:.1rem 0 0;font-size:.9rem}.auth-bullets{flex-wrap:wrap;gap:.5rem;margin:.5rem 0 0;padding:0;list-style:none;display:flex}.auth-card{flex:380px;width:100%;max-width:400px}@media (width<=760px){.auth-columns{flex-direction:column;gap:2rem}.auth-brand,.auth-intro{text-align:center;align-items:center}.auth-bullets{justify-content:center}}.auth-card form{max-width:none}.auth-card .btn,.auth-card button[type=submit]{width:100%;margin-top:.25rem}.auth-card .error{margin:-.25rem 0 0}.auth-footer{text-align:center;color:var(--text-muted);margin-top:1rem;font-size:.9rem}.app-shell{flex-direction:column;min-height:100svh;display:flex}.app-header{border-bottom:1px solid var(--border);background:var(--bg-elevated);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;padding:.85rem 1.25rem;display:flex}.app-brand{color:var(--text);border-radius:var(--radius-sm);align-items:center;gap:.4rem;margin:-.2rem -.3rem;padding:.2rem .3rem;font-size:1.1rem;font-weight:700;text-decoration:none;transition:background-color .15s;display:flex}.app-brand:hover{background:var(--border)}.app-header-actions{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}.language-select{min-width:0;padding:.4rem .5rem;font-size:.875rem}.app-main{flex-direction:column;flex:1;gap:1.5rem;width:100%;max-width:720px;margin:0 auto;padding:1.5rem 1.25rem 3rem;display:flex}.app-main--wide{max-width:960px}.dashboard-layout{align-items:flex-start;gap:1.5rem;display:flex}.dashboard-layout .children-list{flex:auto;min-width:0}.dashboard-sidebar{flex:0 0 300px;width:300px}.dashboard-sidebar .card{position:sticky;top:1.5rem}@media (width<=720px){.dashboard-layout{flex-direction:column}.dashboard-sidebar{flex-basis:auto;width:100%}}.back-link{align-self:flex-start;padding-left:0;padding-right:0}.form-actions{justify-content:flex-end;gap:.75rem;display:flex}.form-actions .btn,.form-actions button{flex:none}.page-subtitle{color:var(--text-muted);margin-top:.15rem;font-size:.95rem}.error{color:var(--error);background:var(--error-soft);border-radius:var(--radius-sm);padding:.6rem .85rem;font-size:.9rem}.pin-banner{border:1px solid var(--accent-text);background:var(--accent-soft);border-radius:var(--radius-md);padding:1rem;font-weight:500}.children-list{flex-direction:column;gap:.75rem;margin:0;padding:0;list-style:none;display:flex}.child-card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;padding:1rem 1.1rem;display:flex}.child-card-main{flex-direction:column;gap:.35rem;min-width:0;display:flex}.child-card-identity{align-items:center;gap:.6rem;min-width:0;display:flex}.child-card-name{font-size:1.05rem;font-weight:600}.child-card-progress{color:var(--text-muted);flex-wrap:wrap;align-items:center;gap:.5rem;font-size:.875rem;display:flex}.child-card-progress-empty{font-style:italic}.child-card-actions{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}.pin-form{flex-direction:row;gap:.5rem;display:flex}.pin-form input{text-align:center;letter-spacing:.15em;font-variant-numeric:tabular-nums;width:5.5rem}.empty-state{color:var(--text-muted);padding:.5rem 0;font-size:.95rem}.practice{flex-direction:column;gap:1.25rem;max-width:640px;margin:0 auto;padding:1.5rem 1.25rem 3rem;display:flex}.practice h1{font-size:1.75rem}.topic-picker{flex-direction:column;gap:.35rem;display:flex}.topic-picker select{padding:.75rem;font-size:1.05rem}.question-card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);flex-direction:column;gap:1rem;padding:1.5rem;display:flex}.question-text{font-size:1.2rem;line-height:1.5}.question-card input{padding:.8rem .9rem;font-size:1.1rem}.feedback-banner{border-radius:var(--radius-md);flex-direction:column;gap:.85rem;padding:1rem;font-size:1.05rem;font-weight:500;display:flex}.feedback-banner.correct{background:var(--success-soft);color:var(--success)}.feedback-banner.incorrect{background:var(--error-soft);color:var(--error)}table{border-collapse:collapse;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-md);width:100%;overflow:hidden}th,td{text-align:left;border-bottom:1px solid var(--border);padding:.65rem .85rem}th{color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;background:var(--bg);font-size:.8rem}.percent-weak{color:var(--error);font-weight:700}.percent-mid{color:#b45309;font-weight:600}.percent-strong{color:var(--success);font-weight:600}@media (prefers-color-scheme:dark){.percent-mid{color:#fbbf24}}tr:last-child td{border-bottom:none}.feedback-thanks{text-align:center;padding:2rem 1rem;font-size:1.1rem}