:root{--bg:#f4efe7;--surface:#fffaf4eb;--surface-strong:#fffdfa;--line:#4f3d2f29;--text:#2f241d;--muted:#7f6a5a;--accent:#1f6f58;--danger:#b6453c;--shadow:0 18px 40px #4c382a1f;color:var(--text);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:radial-gradient(circle at 0 0,#e3f5ebf2,#0000 30%),linear-gradient(#f8f3eb 0%,#efe5d6 100%);font-family:SUIT,sans-serif}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0}button,input{font:inherit}.app-shell{width:min(100%,1200px);margin:0 auto;padding:18px 14px 28px}.login-shell{place-items:center;min-height:100vh;padding:24px 16px;display:grid}.login-card{width:min(100%,420px);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#fffaf4f5;border:1px solid #fffc;border-radius:30px;gap:18px;padding:24px;display:grid}.login-logo{width:112px;height:auto}.login-copy{gap:8px;display:grid}.login-copy p:last-child{color:var(--muted);font-size:14px;line-height:1.5}.login-form{gap:14px;display:grid}.login-form label{gap:8px;font-size:14px;font-weight:700;display:grid}.login-form input{width:100%;font:inherit;background:#fff;border:1px solid #5a453629;border-radius:16px;padding:14px 16px}.login-error{color:var(--danger);font-size:13px}.login-button{width:100%}.topbar,.hero-card,.schedule-card,.summary-strip,.lesson-sheet{-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.topbar{justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px;display:flex}.brand-block,.topbar-actions{align-items:center;gap:12px;display:flex}.brand-block{flex:1;min-width:0}.brand-block>div{min-width:0}.brand-logo{background:#fff;border-radius:10px;flex-shrink:0;width:48px;height:auto}.topbar-actions{flex-shrink:0;justify-content:flex-end}.topbar-actions .ghost-button{color:var(--muted);white-space:nowrap;border-radius:999px;padding:7px 11px;font-size:12px}.hero-meta{justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px;display:flex}.eyebrow,.hero-label,.sheet-kicker{color:var(--accent);letter-spacing:.08em;text-transform:uppercase;margin:0 0 6px;font-size:12px;font-weight:700}h1,h2,h3,p{margin:0}h1{word-break:keep-all;font-size:28px;line-height:1.1}.ghost-button,.nav-button,.primary-button,.danger-button,.icon-button{cursor:pointer;border:0;border-radius:16px;padding:12px 14px}.ghost-button,.nav-button,.icon-button{color:var(--text);background:#ffffffb3}.hero-card{box-shadow:var(--shadow);background:linear-gradient(135deg,#fffc,#f7f2ece6);border:1px solid #fffc;border-radius:28px;gap:14px;padding:18px;display:grid}.hero-copy h2{margin:0;font-size:24px}.hero-week-row{align-items:center;gap:10px;margin-bottom:8px;display:flex}.hero-actions{grid-template-columns:1fr 1fr;gap:10px;display:grid}.storage-indicator{color:var(--muted);background:#ffffffb8;border-radius:999px;align-items:center;gap:8px;padding:6px 10px;font-size:11px;line-height:1;display:inline-flex}.storage-indicator strong{color:var(--text);font-size:11px;font-weight:700}.storage-indicator.synced{background:#e9f6efe6}.storage-indicator.error{background:#f9e8e5e6}.mini-ghost-button{color:var(--text);font:inherit;cursor:pointer;white-space:nowrap;background:#ffffff8f;border:0;border-radius:999px;padding:11px 18px;font-size:14px;font-weight:700}.mini-ghost-button:disabled{opacity:.6;cursor:default}.hero-description{color:var(--muted);font-size:13px;line-height:1.5}.summary-strip{grid-template-columns:repeat(2,1fr);gap:10px;margin:14px 0;display:grid}.summary-card{box-shadow:var(--shadow);background:#fffaf5d9;border:1px solid #ffffffb3;border-radius:20px;padding:14px}.summary-card strong{margin-top:8px;font-size:22px;display:block}.summary-card span{color:var(--muted);font-size:13px}.insight-grid{gap:12px;margin-bottom:14px;display:grid}.today-card{box-shadow:var(--shadow);background:#fffaf5e6;border:1px solid #ffffffb3;border-radius:24px;padding:16px}.today-card-inner{justify-content:space-between;align-items:center;gap:12px;display:flex}.today-copy{gap:6px;display:grid}.today-count{align-self:stretch;align-items:center;font-size:28px;line-height:1;display:flex}.today-summary,.empty-copy{color:var(--muted);font-size:13px;line-height:1.45}.quick-select-row{flex-wrap:wrap;gap:8px;display:flex}.mini-chip{color:var(--accent);background:#edf6f1;border:0;border-radius:999px;padding:9px 12px;font-size:13px;font-weight:700}.schedule-card{background:var(--surface);box-shadow:var(--shadow);border-radius:28px;padding:18px 14px 14px}.schedule-head{justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;display:flex}.schedule-title{flex:none}.week-select{min-width:180px;color:var(--text);font:inherit;background:#ffffffc7;border:0;border-radius:16px;padding:10px 14px}.schedule-scroll{-webkit-overflow-scrolling:touch;touch-action:auto;overflow:auto}.schedule-grid{border:1px solid var(--line);background:var(--surface-strong);border-radius:22px;grid-template-columns:58px repeat(7,minmax(0,1fr));width:100%;display:grid;overflow:hidden}.grid-cell{border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#ffffffb8;flex-direction:column;justify-content:center;gap:4px;min-height:40px;padding:6px 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