:root{--canvas:#fff;--soft:#f6f8f3;--raised:#fbfcf8;--ink:#0e0f0c;--ink2:#3e443b;--muted:#60645f;--line:#e4e8df;--primary:#9fe870;--primaryInk:#163300;--blue:#2563ff;--coach:#0a66ff;--purple:#574bdb;--green:#38c172;--danger:#b4232a}*{box-sizing:border-box}body{color:var(--ink);-webkit-font-smoothing:antialiased;background:#dfe7d8;margin:0;font-family:Inter,Noto Sans KR,system-ui,sans-serif}.app-shell{background:var(--canvas);max-width:430px;min-height:100vh;margin:0 auto;padding:14px 14px 86px;position:relative;box-shadow:0 30px 120px #0e0f0c38}button{font:inherit}.hero-card{background:linear-gradient(145deg,var(--primary),#f7ffe8);color:var(--primaryInk);border-radius:28px;padding:18px;position:relative;overflow:hidden}.hero-card:after{content:"";background:#ffffff73;border-radius:50%;width:150px;height:150px;position:absolute;top:-30px;right:-42px}.brand{z-index:1;align-items:center;gap:10px;display:flex;position:relative}.brand img{border-radius:14px;width:44px;height:44px}.brand b{font-weight:900;display:block}.brand span{opacity:.75;font-size:12px;font-weight:800;display:block}.ghost{color:var(--primaryInk);z-index:2;background:#ffffff8c;border:0;border-radius:999px;padding:8px 10px;font-weight:900;position:absolute;top:16px;right:14px}.hero-card h1{letter-spacing:-.07em;z-index:1;margin:34px 0 8px;font-size:36px;line-height:1.02;position:relative}.hero-card p{z-index:1;max-width:310px;margin:0;font-size:14px;line-height:1.45;position:relative}.quick-grid{grid-template-columns:repeat(3,1fr);gap:8px;margin:12px 0;display:grid}.metric{background:var(--raised);border:1px solid var(--line);border-radius:18px;padding:12px}.metric span,.metric small{color:var(--muted);font-size:11px;font-weight:800;display:block}.metric b{letter-spacing:-.05em;margin:4px 0;font-size:22px;display:block}.screen-stack{gap:12px;padding-bottom:96px;display:grid}.section-title{padding:10px 2px 0}.section-title span{color:var(--blue);text-transform:uppercase;font-size:12px;font-weight:900}.section-title h2{letter-spacing:-.06em;margin:5px 0 0;font-size:27px;line-height:1.05}.card,.streak-card,.priority-card,.report-card,.block-form,.chat,.coach-actions{border:1px solid var(--line);background:var(--raised);border-radius:24px;padding:16px}.card h3{margin:0 0 10px;font-size:18px}.accent-green{background:#f4ffe8}.accent-blue{background:#f4f7ff}.task,.lesson{border:1px solid var(--line);text-align:left;width:100%;color:var(--ink);background:#fff;border-radius:18px;align-items:center;gap:11px;margin:8px 0;padding:13px;display:flex}.task span,.lesson span{background:var(--soft);width:30px;height:30px;color:var(--muted);border-radius:12px;flex:none;place-items:center;font-weight:900;display:grid}.task b,.lesson b{font-size:14px;display:block}.task small,.lesson small{color:var(--muted);margin-top:3px;font-size:11px;line-height:1.3;display:block}.task.done,.lesson.done{background:var(--primary);border-color:var(--primary);color:var(--primaryInk)}.task.done span,.lesson.done span{background:var(--primaryInk);color:#fff}.streak-card{background:var(--primary);color:var(--primaryInk)}.streak-card b{letter-spacing:-.07em;font-size:46px}.streak-card p{margin:6px 0 0;font-weight:800;line-height:1.45}.priority-card{background:var(--blue);color:#fff}.priority-card span{opacity:.75;font-size:12px;font-weight:900}.priority-card h3{letter-spacing:-.055em;margin:8px 0;font-size:28px;line-height:1.05}.priority-card p{color:#dfe6ff;margin:0;line-height:1.45}.block-form{gap:8px;display:grid}.block-form b{font-size:14px}.block-form button,.coach-actions button{background:var(--ink);color:#fff;border:0;border-radius:16px;padding:12px;font-weight:900}.chat{background:#f3f8ff;gap:10px;display:grid}.chat p{border-radius:18px;margin:0;padding:13px;font-size:14px;line-height:1.45}.chat .ai{background:#fff;border:1px solid #dceaff}.chat .user{background:var(--coach);color:#fff;margin-left:40px}.coach-actions{background:#fff;grid-template-columns:1fr 1fr;gap:8px;display:grid}.report-card{background:#fff}.report-card b{font-size:15px}.report-card p{color:var(--ink2);margin:8px 0 0;line-height:1.55}.report-card.strong{background:var(--primary);color:var(--primaryInk)}.report-card.strong p{color:var(--primaryInk);font-weight:800}.bottom-tabs{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-top:1px solid var(--line);background:#fffffff0;grid-template-columns:repeat(5,1fr);width:min(430px,100vw);height:70px;padding:8px;display:grid;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.bottom-tabs button{color:var(--muted);background:0 0;border:0;border-radius:16px;font-size:12px;font-weight:900}.bottom-tabs button.active{background:var(--primary);color:var(--primaryInk)}@media (width>=720px){body{padding:26px}.app-shell{border-radius:36px;min-height:860px}.bottom-tabs{border-radius:24px 24px 0 0}}