:root{--bg: #0a0a0f;--bg2: #111118;--bg3: #1a1a24;--bg4: #22222f;--border: rgba(255,255,255,.07);--border2: rgba(255,255,255,.13);--accent: #7c6fff;--accent2: #a78bfa;--green: #34d399;--red: #f87171;--amber: #fbbf24;--text: #f1f0ff;--text2: #a09abf;--text3: #5c5875;--mono: "Space Mono", monospace;--sans: "DM Sans", sans-serif;--r: 10px;--r2: 16px}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:var(--sans)}.app-shell{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.sidebar{border-right:1px solid var(--border);padding:20px 0}.logo{font-family:var(--mono);font-size:18px;font-weight:700;color:var(--accent2);padding:0 20px 20px;letter-spacing:2px}.nav-item{display:block;padding:10px 20px;color:var(--text2);text-decoration:none;font-size:13px;border-left:2px solid transparent}.nav-item.active,.nav-item:hover{color:var(--accent2);border-left-color:var(--accent);background:#7c6fff14}.main{padding:28px}.card{background:var(--bg3);border:1px solid var(--border);border-radius:var(--r2);padding:20px;margin-bottom:16px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.stat-label{font-family:var(--mono);font-size:11px;color:var(--text3)}.stat-val{font-family:var(--mono);font-size:28px}.btn{padding:10px 18px;border-radius:8px;border:1px solid var(--border2);background:transparent;color:var(--text);font-family:var(--mono);font-size:12px;cursor:pointer}.btn-accent{background:#7c6fff33;border-color:var(--accent);color:var(--accent2)}.btn-red{background:#f8717126;border-color:var(--red);color:var(--red)}input,select{background:var(--bg2);border:1px solid var(--border2);color:var(--text);padding:9px 12px;border-radius:8px;font-family:var(--sans);width:100%;margin-bottom:10px}.auth-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh}.auth-card{width:340px}.mission-item{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--border)}.mission-check{width:20px;height:20px;border:1px solid var(--border2);border-radius:5px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:12px}.mission-check.done{background:var(--green);border-color:var(--green);color:#0a0a0f}.mission-text.done{text-decoration:line-through;color:var(--text3)}.error-msg{color:var(--red);font-size:12px;margin-bottom:10px}.week-grid{display:grid;grid-template-columns:50px repeat(7,1fr);gap:1px;background:var(--border);border-radius:var(--r2);overflow:hidden}.week-cell{background:var(--bg3);min-height:46px;padding:4px;font-size:11px;position:relative}.week-head{background:var(--bg2);text-align:center;padding:8px 4px;font-family:var(--mono);font-size:11px;color:var(--text2)}.week-hour{background:var(--bg2);text-align:right;padding:4px 6px;font-size:10px;color:var(--text3);font-family:var(--mono)}.class-block{position:absolute;top:2px;right:2px;bottom:2px;left:2px;border-radius:6px;padding:4px 6px;font-size:10px;overflow:hidden;cursor:pointer;color:#fff}.timer-face{width:220px;height:220px;border-radius:50%;border:3px solid var(--accent);display:flex;align-items:center;justify-content:center;flex-direction:column;margin:30px auto;font-family:var(--mono)}.timer-time{font-size:42px}.timer-controls{display:flex;gap:10px;justify-content:center;margin-top:20px}.technique-tabs{display:flex;gap:8px;justify-content:center;margin-bottom:10px;flex-wrap:wrap}.technique-tab{padding:6px 14px;border-radius:20px;border:1px solid var(--border2);font-size:12px;cursor:pointer;color:var(--text2)}.technique-tab.active{background:var(--accent);color:#fff;border-color:var(--accent)}.course-chip{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:20px;font-size:12px;margin:4px;cursor:pointer;border:1px solid var(--border2)}.grade-row{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--border);font-size:13px}.grade-avg{font-family:var(--mono);font-size:32px}.grade-avg.pass{color:var(--green)}.grade-avg.fail{color:var(--red)}.heatmap{display:grid;grid-template-columns:repeat(26,1fr);gap:3px}.heat-cell{width:100%;aspect-ratio:1;border-radius:2px;background:var(--bg4)}.sleep-bar-wrap{display:flex;align-items:flex-end;gap:6px;height:120px;margin-top:16px}.sleep-bar{flex:1;background:var(--accent2);border-radius:4px 4px 0 0;opacity:.8}.penalty-card{border-left:3px solid var(--red);padding:10px 14px;margin-bottom:8px;background:#f871710f;border-radius:0 8px 8px 0;display:flex;justify-content:space-between;align-items:center}.penalty-level{font-size:10px;text-transform:uppercase;color:var(--text3);font-family:var(--mono)}.section-title{font-family:var(--mono);font-size:13px;color:var(--text2);margin:20px 0 10px;text-transform:uppercase;letter-spacing:1px}