:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#253e3d;background:#f5f6f3;font-synthesis:none;--green:#214f49;--muted:#798783;--line:#e3e8e2}*{box-sizing:border-box}body{margin:0;display:flex;min-height:100vh}button,input,select{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #81b8a6;outline-offset:3px}button:disabled{opacity:.5;cursor:wait}.rail{width:228px;padding:37px 22px;background:#fff;border-right:1px solid var(--line);position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:13px;text-decoration:none;color:#214f49;font-size:17px;font-weight:750;letter-spacing:3px;line-height:1.25}.mark{width:51px;height:57px;border:1px solid #6c9087;border-radius:22px 22px 4px 22px;display:grid;place-items:center;font-family:Georgia,serif;font-size:32px;font-style:italic;letter-spacing:-5px;padding-right:5px}.brand-sub{display:block;font-size:7px;letter-spacing:2px;font-weight:500;margin-top:7px}.rail-label{font-size:10px;letter-spacing:1.7px;color:#8e9994;margin:65px 12px 18px}.nav-selected{padding:15px 13px;background:#edf3ed;border-radius:7px;color:#376652;font-size:13px;font-weight:600}.rail-bottom{margin-top:auto;font-size:11px;line-height:1.8;color:#507063;padding:0 8px}.rail-bottom small{display:block;color:#8e9994;font-size:10px;margin-top:7px}.secure-dot{display:inline-block;width:6px;height:6px;background:#759d81;border-radius:50%;margin-right:5px}main{margin-left:228px;width:calc(100% - 228px);padding:0 46px;max-width:1800px}header{height:93px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;font-size:11px;color:var(--muted)}.breadcrumb span{padding:0 15px;color:#a8b3ad}.connection{border:1px solid var(--line);padding:8px 12px;border-radius:30px;background:#fff}.heading{display:flex;justify-content:space-between;align-items:center;margin:48px 0 35px;gap:20px}.eyebrow{font-size:9px;font-weight:650;letter-spacing:2px;color:#708f7c}h1{font-family:Georgia,serif;font-size:43px;font-weight:400;letter-spacing:-1.8px;margin:14px 0 13px}p{font-size:13px;line-height:1.8;color:var(--muted);margin:0}.primary{background:var(--green);color:white;padding:14px 21px;border:0;border-radius:7px;font-size:12px;min-height:44px;white-space:nowrap}.primary:hover{background:#32685c}.workspace{display:grid;grid-template-columns:254px minmax(0,1fr);gap:22px;align-items:start}.device-panel,.session-panel{background:#fff;border:1px solid var(--line);border-radius:12px}.device-panel{padding:22px 15px;min-height:420px}.panel-heading{display:flex;align-items:center;justify-content:space-between;margin:0 6px 25px}h2{font-size:18px;font-weight:550;margin:0}.panel-heading h2{font-size:14px}.count{background:#f0f3ee;border-radius:4px;font-size:10px;padding:4px 7px}.device-help{padding:20px 8px;font-size:11px;color:#8a968f;line-height:1.9}.device-help strong{font-weight:500;color:#687f71}.device{display:block;text-align:left;width:100%;background:#fff;border:1px solid var(--line);border-radius:8px;padding:16px 12px;margin-bottom:10px;min-height:80px;color:var(--green)}.device.selected{background:#f0f5ef;border-color:#99b09b}.device strong{display:block;font-size:12px;margin-bottom:9px}.device small{font-size:10px;color:#7a8b7f}.session-panel{min-height:550px;overflow:hidden}#empty{text-align:center;padding:65px 35px 49px;max-width:460px;margin:auto}#empty h2{font:32px/1.25 Georgia,serif;letter-spacing:-.7px;margin:16px 0}#empty p{font-size:12px;margin:0 auto 26px;max-width:320px}.empty-note{font-size:10px;color:#98a198;margin-top:28px}.orbit{width:100px;height:78px;margin:0 auto 28px;position:relative}.orbit span,.orbit i{position:absolute;top:4px;border-radius:50%;width:69px;height:69px;border:1px solid #9fbbaa;background:#eef3eaaa}.orbit span{left:0}.orbit i{right:0;background:#e1ebdf88}.session-top{display:flex;justify-content:space-between;align-items:center;padding:28px 28px 20px;gap:12px}.session-top h2{margin:9px 0;font:27px Georgia,serif}.session-top p{font-size:11px}.live-badge{font-size:10px;color:#497556;background:#eaf2e8;padding:8px 12px;border-radius:20px;white-space:nowrap}.delivery{min-height:38px;font-size:11px;padding:10px 28px;background:#f7f8f5;color:#69836f;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}fieldset{margin:0;padding:24px;border:0;min-width:0}.ear-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px}.ear-card{padding:18px;border-radius:9px;background:#f2f6f0;border:1px solid #e1e9dd}.ear-card.right{background:#f4f5f9;border-color:#e4e7ee}.ear-heading{display:flex;gap:11px;align-items:center;margin-bottom:25px}.ear-icon{border:1px solid #c7d6c0;border-radius:50%;display:grid;place-items:center;width:33px;height:33px;font-size:12px;color:#6a886a}.right .ear-icon{border-color:#cfd5e4;color:#808baa}h3{font-size:12px;font-weight:600;margin:0}.ear-heading p{font-size:9px;margin-top:4px}.field{display:block;margin:18px 0}.field-top{display:flex;align-items:center;justify-content:space-between;gap:8px}.field label{font-size:10px;color:#748273}.field input[type=number]{border:0;border-bottom:1px solid #cbd8c5;width:80px;background:transparent;text-align:right;color:#315448;font-size:16px;padding:5px 0}.field input[type=range]{width:100%;accent-color:#698c65;height:25px;margin:10px 0 0}.right input[type=range]{accent-color:#8593b5}.sound-card{margin-top:25px}.parameter-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:0 18px}.parameter-grid .field{margin:14px 0 0}.parameter-grid .field-top{display:block}.parameter-grid input[type=number],select{display:block;width:100%;background:#fafbf8;border:1px solid var(--line);border-radius:5px;margin-top:7px;padding:9px;color:#42604e;font-size:12px;text-align:left;min-height:38px}.session-foot{display:flex;justify-content:space-between;padding:17px 27px;border-top:1px solid var(--line);font-size:9px;color:#91a08f;gap:12px}footer{display:flex;justify-content:space-between;padding:32px 0;color:#a1aaa0;font-size:9px}footer span:first-child{letter-spacing:2px}#error,#pair-error{color:#a54237;font-size:12px}dialog{border:1px solid var(--line);border-radius:15px;width:430px;max-width:calc(100% - 30px);padding:35px;color:#253e3d}dialog::backdrop{background:#122f3277;backdrop-filter:blur(4px)}dialog h2{font:30px Georgia,serif;margin:15px 0}dialog p{margin:15px 0}.close{position:absolute;right:10px;top:10px;border:0;background:none;font-size:25px;color:#708376;width:35px;height:35px}dialog label{font-size:11px}#pair-code{display:block;width:100%;margin:9px 0;padding:14px;border:1px solid #c4d3c5;border-radius:6px;font-size:21px;letter-spacing:3px;text-transform:uppercase}.muted{font-size:11px}dialog .primary{width:100%}[hidden]{display:none!important}@media(min-width:1450px){main{padding-left:65px;padding-right:65px}.workspace{grid-template-columns:280px minmax(0,1fr)}}@media(max-width:1100px){.rail{width:180px;padding:30px 15px}main{margin-left:180px;width:calc(100% - 180px);padding:0 25px}.workspace{grid-template-columns:200px minmax(0,1fr);gap:15px}.parameter-grid{grid-template-columns:1fr 1fr}.ear-grid{gap:10px}.ear-card{padding:12px}fieldset{padding:18px}.heading h1{font-size:36px}}@media(max-width:820px){.rail{position:static;width:100%;padding:18px 22px;border-bottom:1px solid var(--line)}.brand{font-size:12px}.mark{width:37px;height:41px;font-size:25px}.rail-label,.nav-selected,.rail-bottom,.brand-sub{display:none}body{display:block}main{margin:0;width:100%;padding:0 20px}header{height:58px}.heading{margin:28px 0;align-items:start}.heading h1{font-size:32px}.heading p{font-size:11px}.heading .primary{font-size:10px;padding:11px}.eyebrow{font-size:8px}.workspace{grid-template-columns:1fr}.device-panel{min-height:0;padding:15px}.panel-heading{margin:0 3px 12px}.device-help{padding:8px 3px}.device{min-height:65px}.session-panel{min-height:440px}.ear-heading p{display:none}footer{font-size:8px}#empty{padding-top:40px}.session-top{padding:23px 20px}.session-foot{font-size:8px;padding:15px}.ear-heading{margin-bottom:18px}.field input[type=number]{width:65px}.parameter-grid{gap:0 12px}}

/* Native app design tokens: shared dark surfaces, mint accents and system type. */
:root{color-scheme:dark;font-family:system-ui,sans-serif;background:#10171c;color:#edf3f5;--green:#9fe1cd;--muted:#a8b8c0;--line:#324148}
.rail,.device-panel,.session-panel,dialog{background:#1b272d}.rail{border-color:#324148}.brand{color:#edf3f5}.app-logo{width:56px;height:56px;object-fit:contain;border-radius:12px}.rail-label,.rail-bottom small,.device-help,.device-help strong,.empty-note,.session-foot,footer,.eyebrow{color:#a8b8c0}.eyebrow{color:#9fe1cd}.nav-selected,.connection,.count{background:#243b3c;color:#9fe1cd}.rail-bottom{color:#9fe1cd}.primary{background:#9fe1cd;color:#10231f;font-weight:700;border-radius:12px}.primary:hover{background:#b7efde}h1{font-family:system-ui,sans-serif;font-weight:750;letter-spacing:-.05em}#empty h2,.session-top h2,dialog h2{font-family:system-ui,sans-serif;font-weight:650;letter-spacing:-.035em}.device{background:#162129;color:#edf3f5}.device.selected{background:#243b3c;border-color:#9fe1cd}.device small{color:#a8b8c0}.orbit span{border-color:#9fe1cd;background:#23413c}.orbit i{border-color:#90baff;background:#25354d99}.device-panel,.session-panel,dialog{border-radius:16px}.live-badge{background:#23413c;color:#9fe1cd}.delivery{background:#162129;color:#a8d8ce}.ear-card{background:#152c2b;border-color:#365c53}.ear-card.right{background:#1c283b;border-color:#435674}.ear-icon{color:#9fe1cd;border-color:#5b8f7f}.right .ear-icon{color:#a6c8ff;border-color:#657eaa}.field label{color:#b9cbd3}.field input[type=number]{color:#edf3f5;border-color:#54746a}.field input[type=range]{accent-color:#9fe1cd}.right input[type=range]{accent-color:#a6c8ff}.parameter-grid input[type=number],select{background:#101a23;color:#edf3f5;border-color:#40515d;border-radius:9px}.session-foot{background:#162129}dialog{color:#edf3f5}#pair-code{background:#101a23;color:#edf3f5;border-color:#54746a}.close{color:#a8b8c0}#error,#pair-error{color:#ffaaa5}.secure-dot{background:#9fe1cd}

.transport{display:flex;align-items:center;gap:12px;padding:0 28px 20px}.transport time{margin-left:auto;font:24px system-ui,sans-serif;font-variant-numeric:tabular-nums;color:#b9cbd3}.stop-button{background:#512d32;border:1px solid #9c5960;color:#ffd5d7;border-radius:12px;min-height:44px;padding:10px 20px;font-size:12px}.parameter-grid .field input[type=number]{width:100%}.parameter-grid input[type=color]{width:100%;height:40px;background:#101a23;border:1px solid #40515d;border-radius:9px;margin-top:7px;padding:4px}@media(max-width:520px){.transport{padding:0 20px 20px;gap:8px}.transport button{padding:10px 12px}.transport time{font-size:19px}}

.headphone-status{display:grid;gap:6px;padding:16px 18px;margin:0 0 18px;border:1px solid #46545a;border-radius:14px;background:#20292e}.headphone-status strong{font-size:14px}.headphone-status span{font-size:13px;color:#b8c9cd;overflow-wrap:anywhere}.headphone-status[data-state=ready]{border-color:#68eddb66}.headphone-status[data-state=ready] strong{color:#68eddb}.headphone-status[data-state=warning] strong,.headphone-status[data-state=unconfirmed] strong{color:#f3cc86}