:root{--bg:#101827;--panel:#162238;--panel2:#1d2c47;--text:#f5f7fb;--muted:#aab7cc;--accent:#7dd3fc;--accent2:#a7f3d0;--danger:#fca5a5;--border:rgba(255,255,255,.1);--shadow:0 20px 50px rgba(0,0,0,.28)}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:radial-gradient(circle at top left,#203a61,var(--bg) 42%);color:var(--text);min-height:100vh}.app-shell{max-width:520px;margin:0 auto;min-height:100vh;padding:22px 16px 90px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}.topbar h1{font-size:26px;line-height:1.08;margin:2px 0 0}.eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.14em;color:var(--accent);font-weight:800;margin:0 0 6px}.screen{display:none;animation:fade .22s ease}.screen.active{display:block}@keyframes fade{from{opacity:.4;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.hero-card,.card,.today-card,.checkin-card,.rough-mode,.feed{background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.04));border:1px solid var(--border);border-radius:28px;padding:22px;box-shadow:var(--shadow);margin-bottom:14px}.hero-card{text-align:center;padding:34px 24px}.logo-mark,.avatar{width:66px;height:66px;border-radius:22px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#0b1220;display:grid;place-items:center;font-size:34px;font-weight:900;margin:0 auto 16px}.hero-card h2,.card h2,.today-card h2,.checkin-card h2,.rough-mode h2,.feed h2{margin:0 0 8px;font-size:22px}.hero-card p,.card p,.today-card p,.rough-mode p,.group-list p,.profile-card p{color:var(--muted);line-height:1.45}.primary-btn,.secondary-btn,.ghost-btn,.check-row button,.chip-list button,.group-list button{border:0;border-radius:16px;padding:13px 16px;font-weight:800;cursor:pointer}.primary-btn{background:var(--accent2);color:#0b1220;width:100%;margin-top:12px}.secondary-btn{background:rgba(255,255,255,.08);color:var(--text);width:100%;margin-top:10px;border:1px solid var(--border)}.ghost-btn{background:rgba(255,255,255,.07);color:var(--text);border:1px solid var(--border)}.mini-grid{display:grid;gap:10px}.mini-grid article,.group-list article,.feed-item{background:rgba(255,255,255,.06);border:1px solid var(--border);border-radius:22px;padding:16px}.mini-grid span{display:block;color:var(--muted);margin-top:4px}.chip-list{display:flex;flex-wrap:wrap;gap:10px}.chip-list button,.check-row button{background:rgba(255,255,255,.08);color:var(--text);border:1px solid var(--border)}.chip-list button.selected,.check-row button.selected{background:var(--accent);color:#0b1220}.highlighted{border-color:rgba(125,211,252,.42);background:linear-gradient(135deg,rgba(125,211,252,.18),rgba(167,243,208,.08))}.check-row{border-top:1px solid var(--border);padding:14px 0}.check-row:first-of-type{border-top:0}.check-row p{margin:0 0 10px;font-weight:800}.check-row div{display:flex;gap:8px;flex-wrap:wrap}.rough-mode{border-color:rgba(252,165,165,.4)}.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}.feed-item{margin-top:10px}.feed-item p{margin:0 0 12px;line-height:1.4}.reactions{display:flex;gap:8px;flex-wrap:wrap}.reactions button{border:1px solid var(--border);border-radius:999px;background:rgba(255,255,255,.06);color:var(--text);padding:8px 10px}.group-list{display:grid;gap:12px}.group-list h3{margin:0 0 4px}.group-list button{background:var(--panel2);color:var(--text)}.week-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:8px;margin-top:16px}.week-grid div{aspect-ratio:1;border-radius:14px;background:rgba(255,255,255,.08);display:grid;place-items:center;color:var(--muted);font-size:12px}.week-grid div.done{background:var(--accent2);color:#0b1220;font-weight:900}.stat-row,.toggle{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--border);padding:14px 0}.stat-row:first-of-type{border-top:0}.trend-line{height:130px;display:flex;align-items:end;gap:12px;margin:10px 0}.trend-line span{flex:1;border-radius:12px 12px 0 0;background:linear-gradient(180deg,var(--accent),rgba(125,211,252,.12))}.trend-line span:nth-child(1){height:88%}.trend-line span:nth-child(2){height:76%}.trend-line span:nth-child(3){height:70%}.trend-line span:nth-child(4){height:62%}.trend-line span:nth-child(5){height:58%}.profile-card{text-align:center}.bottom-nav{position:fixed;left:50%;bottom:12px;transform:translateX(-50%);width:min(520px,calc(100% - 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