:root{--bg:#f3f6fb;--card:#fff;--text:#132238;--muted:#687386;--line:#dfe5ee;--blue:#245fe6;--green:#16803d;--red:#c62828;--dark:#07111f}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}button,input,select{font:inherit}button{cursor:pointer}.hidden{display:none!important}.topbar{height:70px;padding:0 24px;display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--line)}.brand{font-weight:900;letter-spacing:-.03em;font-size:1.25rem}.muted{color:var(--muted)}.badge{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);background:#fff;padding:8px 11px;border-radius:999px;font-size:.9rem}.dot{width:9px;height:9px;border-radius:50%;background:#9ca3af}.dot.ok{background:#16a34a}.btn{border:0;border-radius:12px;padding:11px 15px;font-weight:800}.btn.primary{background:var(--blue);color:#fff}.btn.success{background:var(--green);color:#fff}.btn.danger{background:var(--red);color:#fff}.btn.secondary{background:#eaf0ff;color:#234fae}.btn:disabled{opacity:.45;cursor:not-allowed}.landing{min-height:calc(100vh - 70px);display:grid;place-items:center;padding:30px}.card{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:0 15px 40px rgba(15,23,42,.07)}.hero{width:min(760px,100%);padding:40px;text-align:center}.hero h1{font-size:clamp(2rem,5vw,3.7rem);margin:0 0 16px;letter-spacing:-.05em}.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.center{justify-content:center}.therapist{padding:14px 18px 18px}.session-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap}.audio-stage{height:calc(100vh - 265px);min-height:410px;background:var(--dark);border-radius:18px;position:relative;overflow:hidden}.stage-center{position:absolute;inset:0;display:grid;place-items:center;color:#fff;text-align:center;padding:30px}.side-indicator{display:flex;gap:60px;align-items:center;justify-content:center;margin-top:24px}.ear{width:125px;height:125px;border-radius:50%;display:grid;place-items:center;border:2px solid rgba(255,255,255,.18);font-size:1.3rem;font-weight:900;transition:.12s}.ear.active{background:#fff;color:#07111f;box-shadow:0 0 45px rgba(255,255,255,.5)}.stats{position:absolute;top:14px;left:14px;display:flex;gap:8px;flex-wrap:wrap}.darkbadge{background:rgba(15,23,42,.78);border-color:rgba(255,255,255,.15);color:#fff}.bottom{margin-top:12px;padding:13px 14px}.toolbar{display:grid;grid-template-columns:auto 1fr 1fr 1fr auto;gap:14px;align-items:end}.group{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.ctrl label{display:flex;justify-content:space-between;gap:10px;font-size:.82rem;font-weight:800;margin-bottom:4px}.ctrl input[type=range]{width:100%}.select{width:100%;border:1px solid var(--line);border-radius:10px;padding:9px;background:#fff}.patient{background:var(--dark);color:#fff;min-height:100vh}.patient-header{height:68px;padding:0 20px;display:flex;justify-content:space-between;align-items:center;gap:12px}.patient-main{height:calc(100vh - 142px);display:grid;place-items:center;padding:20px;text-align:center}.patient-main .ear{width:145px;height:145px}.patient-actions{height:74px;display:flex;justify-content:center;align-items:center;gap:10px;padding:10px}.modal{position:fixed;inset:0;background:rgba(0,0,0,.72);display:grid;place-items:center;padding:20px;z-index:10}.modal-card{width:min(520px,100%);padding:26px;color:var(--text)}.field{margin:13px 0}.field label{display:block;font-weight:800;margin-bottom:7px}.field input,.field select{width:100%;border:1px solid var(--line);border-radius:11px;padding:11px}.notice{padding:11px 13px;border-radius:11px;background:#fff7ed;color:#9a3412;font-size:.9rem}@media(max-width:900px){.toolbar{grid-template-columns:1fr 1fr}.audio-stage{height:55vh}.ear{width:100px;height:100px}.side-indicator{gap:25px}.hero{padding:28px 20px}}

.visual-stage{height:calc(100vh - 265px);min-height:420px;background:#07111f;border-radius:18px;position:relative;overflow:hidden}
.orb{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);border-radius:50%;box-shadow:0 0 42px currentColor;will-change:left}
.visual-toolbar{display:grid;grid-template-columns:auto 1fr 1fr 1fr 1fr auto;gap:12px;align-items:end}
.patient-visual-stage{height:calc(100vh - 138px);position:relative;overflow:hidden}
@media(max-width:1000px){.visual-toolbar{grid-template-columns:1fr 1fr}.visual-stage{height:55vh}}

.status-grid{display:grid;grid-template-columns:repeat(4,minmax(150px,1fr));gap:10px;margin-bottom:12px}
.status-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:11px 13px}
.status-title{font-size:.76rem;color:var(--muted);font-weight:800;text-transform:uppercase;letter-spacing:.05em}
.status-value{font-size:.98rem;font-weight:900;margin-top:4px}
.status-value.ok{color:#16803d}.status-value.warn{color:#b45309}.status-value.bad{color:#b91c1c}
.event-log{position:absolute;right:14px;top:14px;width:min(330px,42vw);max-height:145px;overflow:auto;background:rgba(7,17,31,.82);border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:10px;color:#fff;z-index:4;font-size:.82rem}
.event-row{padding:4px 0;border-bottom:1px solid rgba(255,255,255,.08)}
.event-row:last-child{border-bottom:0}
.event-time{opacity:.6;margin-right:8px}
@media(max-width:800px){.status-grid{grid-template-columns:1fr 1fr}.event-log{width:55vw}}