:root{font-family:Inter,"Segoe UI",system-ui,-apple-system,sans-serif;color-scheme:dark;--bg:#0b1727;--panel:#13263a;--panel2:#172e44;--border:#294156;--text:#f2f7fc;--muted:#9db3c6;--accent:#48d4ba;--accent2:#1fa68f;--warn:#ffcf70;--danger:#ff8d8d;--shadow:0 22px 64px rgba(0,0,0,.24)}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text)}button,input{font:inherit}button{cursor:pointer}button:disabled{opacity:.48;cursor:not-allowed}img{max-width:100%;display:block}a{color:inherit}
#app{min-height:100vh;background:radial-gradient(circle at top right,#153d52 0%,transparent 36%),var(--bg)}
.loading-screen{min-height:100vh;display:grid;place-content:center;justify-items:center;color:var(--muted);gap:8px}.spinner{width:32px;height:32px;border:3px solid #34526b;border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
.auth-shell{min-height:100vh;display:grid;place-items:center;padding:22px}.auth-layout{width:min(940px,100%);display:grid;grid-template-columns:1fr 1fr;min-height:505px;box-shadow:var(--shadow);border:1px solid var(--border);border-radius:26px;overflow:hidden;background:var(--panel)}
.auth-art{background:linear-gradient(160deg,#153f50,#102435);padding:44px;display:flex;flex-direction:column;justify-content:space-between}.brand{display:flex;gap:12px;align-items:center;font-weight:850;letter-spacing:.025em;font-size:23px}.logo{background:var(--accent);color:#073029;border-radius:13px;width:42px;height:42px;display:grid;place-items:center;font-size:26px;font-weight:950}.auth-art h1{font-size:clamp(32px,4vw,49px);line-height:1.12;letter-spacing:-.045em;margin:0 0 15px}.auth-art p{color:#bdd0d9;max-width:300px;line-height:1.65;margin:0}.auth-art .mini{font-size:13px;color:#93b9c0}.auth-form-wrap{padding:48px 42px;display:flex;flex-direction:column;justify-content:center}.eyebrow{font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}h2{font-size:29px;letter-spacing:-.03em;margin:10px 0 8px}p{line-height:1.5}.muted{color:var(--muted)}.auth-form-wrap>p{margin:0 0 24px}.field{display:block;margin-bottom:17px}.field>span{display:block;font-size:13px;font-weight:700;margin-bottom:9px;color:#c9d9e5}.field input{display:block;width:100%;border:1px solid var(--border);background:#0b1c2e;border-radius:11px;padding:15px 15px;color:var(--text);outline:0}.field input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(72,212,186,.14)}
.btn{border:0;padding:14px 18px;border-radius:12px;font-weight:800;display:inline-flex;justify-content:center;align-items:center;gap:8px;text-align:center;transition:background .14s,transform .14s}.btn:hover:not(:disabled){transform:translateY(-1px)}.btn-primary{background:var(--accent);color:#07332c}.btn-primary:hover{background:#70e3cc}.btn-ghost{background:#20374c;color:var(--text);border:1px solid #334e63}.btn-outline{background:transparent;color:#c0d6e7;border:1px solid var(--border)}.btn-danger{background:#3d2832;color:#ffc0bd}.btn-block{width:100%}.small{font-size:12px}.error{margin:12px 0;color:#ffc1c1;background:#5929384d;border:1px solid #764550;border-radius:10px;padding:11px 13px;font-size:14px}.notice{background:#1d3844;border:1px solid #2e656c;border-radius:13px;color:#b9e6df;padding:14px 16px;line-height:1.5}.notice.warn{background:#403626;border-color:#6f5c32;color:#ffe0ab}.notice.sm{font-size:13px}
.app-shell{width:min(1080px,100%);margin:auto;padding:25px 24px 70px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:42px}.topbar .brand{font-size:20px}.topbar .logo{height:36px;width:36px;font-size:22px;border-radius:10px}.userline{display:flex;align-items:center;gap:12px;font-size:13px}.avatar{height:38px;width:38px;border-radius:50%;background:#235368;display:grid;place-items:center;font-weight:800;color:#aaf4e2}.user-meta{display:flex;flex-direction:column;line-height:1.3}.user-meta small{color:var(--muted)}.linkbtn{color:#bbd5e4;background:transparent;border:0;text-decoration:underline;text-underline-offset:4px;padding:5px}
.hero{margin-bottom:25px}.hero h1{font-size:clamp(30px,4.6vw,47px);letter-spacing:-.045em;line-height:1.14;margin:10px 0 7px}.hero p{font-size:15px;color:var(--muted);margin:0}.section-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}.section-row h2{font-size:22px;margin:0}.muted-line{color:var(--muted);font-size:14px}.two-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px}.feature-card,.panel,.exercise-card{background:var(--panel);border:1px solid var(--border);border-radius:19px}.feature-card{padding:27px;display:flex;flex-direction:column;min-height:275px;align-items:flex-start}.feature-icon{background:#1c494a;border-radius:15px;color:var(--accent);width:56px;height:56px;display:grid;place-items:center;font-size:28px;margin-bottom:21px}.feature-icon.chart{color:#b0b8ff;background:#333657}.feature-card h3{font-size:22px;letter-spacing:-.02em;margin:0 0 8px}.feature-card p{color:var(--muted);font-size:14px;flex:1;margin:0 0 25px;max-width:370px}.feature-card .btn{min-width:160px}.panel{padding:22px}.meta-strip{display:flex;gap:12px;flex-wrap:wrap;margin:25px 0}.mini-panel{background:#142c40;border:1px solid var(--border);padding:17px;border-radius:13px;flex:1;min-width:160px}.mini-panel strong{display:block;font-size:21px}.mini-panel small{color:var(--muted)}
.back{display:inline-flex;align-items:center;color:#b5d6e4;background:transparent;border:0;padding:6px 0;font-size:14px;margin-bottom:20px}.chipset{display:flex;gap:9px;flex-wrap:wrap;margin:13px 0 22px}.chip{background:#172c41;color:#d8e7f1;border:1px solid var(--border);border-radius:12px;padding:12px 17px;min-width:92px;font-weight:700}.chip.active{background:#174b4a;color:#96ffdf;border-color:#319882}.person-list{display:flex;flex-wrap:wrap;gap:10px}.person{display:flex;align-items:center;gap:11px;background:#182e43;border:1px solid var(--border);border-radius:12px;padding:13px 15px;cursor:pointer;min-width:154px}.person input{accent-color:#49dac0;width:18px;height:18px}.person-name{font-weight:750}.toolbar{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;align-items:center;margin-top:21px}.toolbar .btn{min-width:190px}
.ex-list{display:grid;gap:12px}.exercise-card{display:flex;gap:17px;padding:13px;align-items:center}.exercise-card img{width:195px;height:108px;object-fit:cover;flex-shrink:0;border-radius:12px;background:#203448}.exercise-copy{flex:1;min-width:0}.exercise-header{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.exercise-header h3{font-size:17px;margin:2px 0 4px}.exercise-header .position{color:var(--accent);font-weight:900;font-size:12px;letter-spacing:.07em;text-transform:uppercase}.exercise-copy p{color:var(--muted);font-size:13px;margin:5px 0 8px}.exercise-meta{font-size:13px;color:#bde3d9;font-weight:750}.exercise-copy .linkbtn{margin-left:-5px}.footnote{margin-top:22px;color:var(--muted);font-size:13px}
.preview{max-width:720px;margin:auto}.preview-image{width:100%;aspect-ratio:16/8.5;object-fit:contain;background:#0d1d2c;border:1px solid var(--border);border-radius:13px;margin:12px 0}.preview h2{font-size:25px}.stepnum{font-size:13px;color:var(--accent);font-weight:800}.modal-wrap{position:fixed;inset:0;background:#020911d9;display:grid;place-items:center;z-index:20;padding:20px}.modal{background:var(--panel);border:1px solid var(--border);border-radius:19px;padding:24px;width:min(680px,100%);max-height:90vh;overflow:auto;box-shadow:var(--shadow)}.modal h2{margin:0 0 16px}.modal img{border-radius:11px;width:100%;max-height:360px;object-fit:contain;background:#122234}.modal .btn{margin-top:18px}.empty{border:1px dashed #35556b;background:#152a3e;border-radius:16px;text-align:center;padding:46px 22px;color:var(--muted)}.empty .symbol{font-size:40px}.empty h3{color:var(--text);margin:12px 0 4px}
@media(max-width:700px){.auth-layout{grid-template-columns:1fr}.auth-art{min-height:195px;padding:25px}.auth-art h1{font-size:30px}.auth-art p{font-size:13px}.auth-art .mini{display:none}.auth-form-wrap{padding:27px}.auth-shell{padding:12px}.two-cards{grid-template-columns:1fr}.feature-card{min-height:210px;padding:22px}.app-shell{padding:20px 15px 55px}.topbar{margin-bottom:25px}.user-meta{display:none}.exercise-card{align-items:flex-start;flex-wrap:wrap;gap:10px}.exercise-card img{width:100%;height:auto;aspect-ratio:2.8}.exercise-copy{width:100%}.toolbar>.btn{width:100%}.person{flex:1;min-width:120px}}