:root{--bg:#0d0a17;--bg-2:#141022;--panel:#1a1530;--panel-2:#221b3d;--border:#2e2750;--border-soft:#261f44;--text:#ece9f5;--text-dim:#a79fc6;--text-faint:#6f6792;--accent:#a78bfa;--accent-strong:#8b5cf6;--accent-soft:#2a2150;--good:#4ade80;--warn:#fbbf24;--danger:#f87171;--radius:14px;--radius-sm:9px}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:radial-gradient(1100px 600px at 80% -10%,#1e1640 0,transparent 60%),radial-gradient(900px 500px at 0 0,#1b1338 0,transparent 55%),var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans Thai,Roboto,Helvetica Neue,Arial,sans-serif;font-size:15px;line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font-family:inherit;font-size:inherit}h1,h2,h3,h4{line-height:1.25;margin:0 0 .4em;font-weight:680;letter-spacing:-.01em}p{margin:0 0 1em}.container{max-width:1120px;margin:0 auto;padding:0 24px}.narrow{max-width:460px;margin:0 auto}.stack{flex-direction:column;gap:16px}.row,.stack{display:flex}.row{gap:12px;align-items:center}.row.wrap{flex-wrap:wrap}.spread{justify-content:space-between}.muted{color:var(--text-dim)}.faint{color:var(--text-faint)}.center{text-align:center}.grow{flex:1 1}.panel{background:var(--panel);border:1px solid var(--border-soft);border-radius:var(--radius);padding:22px}.card{background:var(--panel-2);border:1px solid var(--border-soft);border-radius:var(--radius-sm);padding:16px;transition:border-color .15s,transform .1s}.card.selectable:hover{border-color:var(--accent-strong)}.card.selected{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:11px;font-weight:700;color:var(--accent)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:10px 18px;border-radius:999px;border:1px solid var(--border);background:var(--panel-2);color:var(--text);cursor:pointer;font-weight:600;transition:background .15s,border-color .15s,opacity .15s,transform .05s;white-space:nowrap}.btn:hover{border-color:var(--accent)}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.primary{background:linear-gradient(135deg,var(--accent),var(--accent-strong));border-color:transparent;color:#16091f}.btn.primary:hover{filter:brightness(1.07)}.btn.ghost{background:transparent;border-color:transparent;color:var(--text-dim)}.btn.ghost:hover{color:var(--text);border-color:var(--border)}.btn.danger{color:var(--danger);border-color:transparent;background:transparent}.btn.danger:hover{border-color:var(--danger)}.btn.sm{padding:6px 13px;font-size:13px}.btn.block{width:100%}label.field{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;color:var(--text-dim)}input,select,textarea{background:var(--bg-2);border:1px solid var(--border);color:var(--text);border-radius:var(--radius-sm);padding:10px 12px;outline:none;transition:border-color .15s;width:100%}input:focus,select:focus,textarea:focus{border-color:var(--accent)}textarea{resize:vertical;min-height:90px;line-height:1.55}.lyric-area{font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,monospace;min-height:150px;font-size:14px}.chip{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:12px;font-weight:600;border:1px solid var(--border-soft)}.chip button{background:none;border:none;color:inherit;cursor:pointer;padding:0;font-size:13px;line-height:1;opacity:.7}.chip button:hover{opacity:1}.tag{display:inline-block;padding:3px 9px;border-radius:999px;font-size:11px;font-weight:700;letter-spacing:.03em}.tag.draft{background:#2a2440;color:var(--text-dim)}.tag.in_progress{background:#3a2f12;color:var(--warn)}.tag.finished{background:#15351f;color:var(--good)}.locale-toggle{display:inline-flex;border:1px solid var(--border);border-radius:999px;overflow:hidden}.locale-toggle button{background:transparent;border:none;color:var(--text-faint);padding:5px 12px;cursor:pointer;font-size:12px;font-weight:700}.locale-toggle button.active{background:var(--accent-strong);color:#16091f}.appnav{border-bottom:1px solid var(--border-soft);background:rgba(13,10,23,.85);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:-webkit-sticky;position:sticky;top:0;z-index:20}.appnav .inner{display:flex;align-items:center;gap:18px;padding:12px 24px;max-width:1120px;margin:0 auto}.brand{font-weight:800;letter-spacing:-.02em;font-size:17px}.brand .dot{color:var(--accent)}.navlinks{display:flex;gap:4px;flex:1 1}.navlinks a{padding:7px 13px;border-radius:999px;color:var(--text-dim);font-weight:600;font-size:14px}.navlinks a:hover{color:var(--text);background:var(--panel)}.navlinks a.active{color:var(--text);background:var(--accent-soft)}.hero{padding:90px 0 60px;text-align:center}.hero h1{font-size:clamp(34px,6vw,60px);letter-spacing:-.03em;margin-bottom:16px}.hero .sub{font-size:18px;color:var(--text-dim);max-width:620px;margin:0 auto 28px}.gradient-text{background:linear-gradient(120deg,var(--accent),#f0abfc 60%,var(--accent-strong));-webkit-background-clip:text;background-clip:text;color:transparent}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));grid-gap:16px;gap:16px;margin:40px 0}.feature-grid .card h3{font-size:16px}.feature-grid .card p{color:var(--text-dim);font-size:14px;margin:0}.stepper{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:20px}.stepper button{flex:1 1;min-width:110px;background:var(--panel);border:1px solid var(--border-soft);color:var(--text-faint);border-radius:var(--radius-sm);padding:9px 10px;cursor:pointer;font-weight:600;font-size:13px;text-align:left;transition:border-color .15s,color .15s}.stepper button:hover{color:var(--text-dim)}.stepper button.active{border-color:var(--accent);color:var(--text);background:var(--accent-soft)}.stepper button .num{font-size:11px;color:var(--accent);font-weight:800;display:block}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));grid-gap:14px;gap:14px}.stat{background:var(--panel-2);border:1px solid var(--border-soft);border-radius:var(--radius-sm);padding:16px 18px}.stat .num{font-size:30px;font-weight:800;letter-spacing:-.02em}.stat .label{color:var(--text-faint);font-size:13px;font-weight:600}.divider{height:1px;background:var(--border-soft);margin:18px 0}.notice{border-radius:var(--radius-sm);padding:10px 14px;font-size:13px;border:1px solid var(--border-soft)}.notice.error{background:#321820;border-color:#5d2b35;color:#fca5a5}.notice.accent{background:var(--accent-soft);border-color:var(--border);color:var(--text-dim)}.spinner{width:15px;height:15px;border:2px solid rgba(255,255,255,.25);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(1turn)}}.bar{height:7px;border-radius:999px;background:var(--border-soft);overflow:hidden}.bar>span{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-strong))}.range{width:100%;accent-color:var(--accent-strong)}.conceptlist .card,.hooklist .card,.lyric-section{margin-bottom:12px}.kbd{font-size:12px;background:var(--bg-2);border:1px solid var(--border);border-radius:5px;padding:1px 6px}.kbd,.syl{font-family:ui-monospace,monospace}.syl{font-size:11px}.empty,.syl{color:var(--text-faint)}.empty{text-align:center;padding:50px 20px}