:root{--ds-brand-mark:#b3362f;--ds-brand-cta:#8a1d1d;--ds-brand-hover:#a52525;--ds-brand-soft:rgba(138,29,29,.14);--ds-brand-glow:rgba(138,29,29,.26);--ds-canvas:#050505;--ds-base:#0c0c0c;--ds-elevated:rgba(255,255,255,.03);--ds-text:#ffffff;--ds-text-2nd:#e7e7e7;--ds-text-3rd:rgba(255,255,255,.7);--ds-text-4th:rgba(255,255,255,.5);--ds-tint:rgba(255,182,174,.78);--ds-tint-soft:rgba(255,182,174,.55);--ds-success:#36d399;--ds-warning:#f0b440;--ds-error:#f87171;--ds-info:#5e9eff;--ds-hairline:rgba(255,255,255,.08);--ds-hairline-hov:rgba(255,255,255,.14);--ds-radius-card:16px;--ds-radius-overlay:24px;--ds-radius-input:12px;--ds-radius-button:12px;--ds-radius-tag:8px;--font-display:'Inter','Space Grotesk',system-ui,sans-serif;--font-mono:'JetBrains Mono',ui-monospace,monospace}*{box-sizing:border-box}[hidden]{display:none!important}body,html{margin:0;padding:0;background:var(--ds-canvas);color:var(--ds-text);font-family:var(--font-display);font-feature-settings:"ss01" 1;letter-spacing:-.005em;line-height:1.55;min-height:100vh;-webkit-font-smoothing:antialiased}body::before{content:'';position:fixed;inset:0;background:repeating-linear-gradient(0deg,rgba(255,255,255,.012) 0 1px,transparent 1px 3px),radial-gradient(60% 50% at 50% 0,rgba(179,54,47,.1) 0,transparent 70%);pointer-events:none;z-index:0}.mono{font-family:var(--font-mono);font-feature-settings:"tnum" 1}.settings-module{position:relative;z-index:1;max-width:1480px;margin:0 auto;padding:24px clamp(16px,3vw,40px) 96px}.topbar{display:grid;grid-template-columns:auto 1fr auto;gap:clamp(16px,3vw,40px);align-items:center;padding-bottom:18px;border-bottom:1px solid var(--ds-hairline);margin-bottom:32px}.topbar-brand{display:flex;align-items:center;gap:14px}.brand-mark{width:32px;height:40px;filter:drop-shadow(0 0 14px rgba(179,54,47,.35))}.brand-text{line-height:1}.brand-wordmark{font-weight:800;font-size:20px;letter-spacing:-.04em}.brand-sub{margin-top:4px;font-family:var(--font-mono);font-weight:600;font-size:10px;letter-spacing:.26em;color:var(--ds-tint-soft)}.topbar-meta{display:flex;gap:clamp(18px,3vw,36px);flex-wrap:wrap;justify-content:center}.meta-cell{min-width:0}.meta-label{font-family:var(--font-mono);font-size:9px;font-weight:600;letter-spacing:.26em;color:var(--ds-text-4th);text-transform:uppercase;margin-bottom:4px}.meta-val{font-size:13px;font-weight:500;color:var(--ds-text-2nd);max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.topbar-back{font-family:var(--font-mono);font-size:10px;font-weight:600;letter-spacing:.26em;color:var(--ds-text-3rd);text-decoration:none;padding:8px 14px;border:1px solid var(--ds-hairline);border-radius:999px;background:var(--ds-elevated);transition:all .15s ease}.topbar-back:hover{border-color:var(--ds-hairline-hov);color:var(--ds-text)}.hero{padding:0 0 32px}.hero-section-id{display:flex;align-items:center;gap:12px;margin-bottom:14px}.hero-marks{display:flex;align-items:center;gap:3px}.bar-mini{width:4px;height:14px;background:rgba(255,255,255,.55);border-radius:2px}.bar-mini.wide{width:10px;background:var(--ds-brand-mark);border-radius:5px}.hero-overline{font-family:var(--font-mono);font-size:10px;font-weight:600;letter-spacing:.26em;color:var(--ds-tint);text-transform:uppercase}.hero-headline{font-family:var(--font-display);font-weight:800;font-size:clamp(36px, 5.4vw, 56px);line-height:.96;letter-spacing:-.04em;margin:0 0 10px;font-feature-settings:"ss01" 1}.hero-subline{font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.26em;color:var(--ds-brand-mark);text-transform:uppercase;margin:0}.shell{display:grid;grid-template-columns:260px 1fr;gap:32px;align-items:start}@media (max-width:900px){.shell{grid-template-columns:1fr;gap:16px}}.sidebar-nav{position:sticky;top:24px;display:flex;flex-direction:column;gap:2px;padding:12px;background:var(--ds-base);border:1px solid var(--ds-hairline);border-radius:var(--ds-radius-card)}.nav-eyebrow{font-family:var(--font-mono);font-size:10px;font-weight:600;letter-spacing:.26em;color:var(--ds-text-4th);text-transform:uppercase;padding:8px 12px 12px}.nav-item{display:flex;align-items:center;gap:10px;padding:9px 12px;font-size:13px;font-weight:500;color:var(--ds-text-3rd);text-decoration:none;border-radius:8px;border-left:2px solid transparent;transition:all .15s ease}.nav-item:hover{color:var(--ds-text);background:rgba(255,255,255,.03)}.nav-item.active{color:var(--ds-text);background:var(--ds-brand-soft);border-left-color:var(--ds-brand-mark);font-weight:600}.nav-item.danger{color:rgba(248,113,113,.65)}.nav-item.danger:hover{background:rgba(248,113,113,.06);color:var(--ds-error)}.nav-item.danger.active{background:rgba(248,113,113,.12);border-left-color:var(--ds-error);color:var(--ds-error)}.nav-icon{font-size:13px;width:18px;text-align:center;line-height:1}@media (max-width:900px){.sidebar-nav{position:static;flex-direction:row;overflow-x:auto;scrollbar-width:none;padding:8px}.sidebar-nav::-webkit-scrollbar{display:none}.nav-eyebrow{display:none}.nav-item{flex-shrink:0;border-left:0;border-bottom:2px solid transparent}.nav-item.active{border-bottom-color:var(--ds-brand-mark);border-left:0}}.content{min-width:0;display:flex;flex-direction:column;gap:36px}.section{scroll-margin-top:24px}.section-head{margin-bottom:16px}.section-eyebrow{font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.26em;color:var(--ds-tint);text-transform:uppercase;margin-bottom:8px}.section-eyebrow.danger{color:var(--ds-error)}.section-title{font-family:var(--font-display);font-weight:800;font-size:clamp(24px, 3vw, 32px);line-height:1.05;letter-spacing:-.035em;margin:0 0 8px;font-feature-settings:"ss01" 1}.section-desc{color:var(--ds-text-3rd);font-size:14px;margin:0}.card{background:var(--ds-base);border:1px solid var(--ds-hairline);border-radius:var(--ds-radius-card);padding:18px;display:flex;flex-direction:column;gap:14px;margin-bottom:12px}.card-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.card-eyebrow{font-family:var(--font-mono);font-size:10px;font-weight:600;letter-spacing:.24em;color:var(--ds-tint-soft);text-transform:uppercase}.card-summary{font-family:var(--font-mono);font-size:11px;color:var(--ds-text-4th);letter-spacing:.08em}.row-list{display:flex;flex-direction:column;gap:0}.row{display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center;padding:14px 0;border-bottom:1px solid var(--ds-hairline)}.row:last-child{border-bottom:0}.row-key{font-size:14px;font-weight:500;color:var(--ds-text-2nd)}.row-val{font-size:13px;color:var(--ds-text-3rd);text-align:right}.row-sub{font-size:12px;color:var(--ds-text-4th);margin-top:2px;max-width:540px}.row.toggle-row{align-items:center}.quota-bar{height:6px;background:rgba(255,255,255,.06);border-radius:999px;overflow:hidden}.quota-fill{height:100%;background:linear-gradient(90deg,var(--ds-success),var(--ds-warning),var(--ds-error));transition:width .4s ease;width:0;border-radius:inherit}.quota-meta{font-family:var(--font-mono);font-size:11px;color:var(--ds-text-4th);letter-spacing:.05em}.switch{width:46px;height:26px;background:rgba(255,255,255,.08);border:1px solid var(--ds-hairline);border-radius:999px;position:relative;cursor:pointer;transition:all .2s ease;padding:0;flex-shrink:0}.switch-thumb{position:absolute;top:2px;left:2px;width:20px;height:20px;border-radius:50%;background:var(--ds-text-3rd);transition:all .2s ease}.switch[data-active="1"]{background:var(--ds-brand-cta);border-color:var(--ds-brand-cta)}.switch[data-active="1"] .switch-thumb{left:calc(100% - 22px);background:#fff}.seg-switch,.theme-switch{display:inline-flex;background:rgba(255,255,255,.04);border:1px solid var(--ds-hairline);border-radius:10px;padding:3px;gap:2px;flex-shrink:0}.seg-opt,.theme-opt{background:0 0;border:0;padding:7px 12px;font-family:var(--font-display);font-size:12px;font-weight:600;color:var(--ds-text-3rd);cursor:pointer;border-radius:7px;transition:all .15s ease;white-space:nowrap}.seg-opt:hover,.theme-opt:hover{color:var(--ds-text)}.seg-opt.active,.theme-opt.active{background:var(--ds-brand-cta);color:#fff}.form-stack{display:flex;flex-direction:column;gap:14px}.field{display:flex;flex-direction:column;gap:6px}.field-label{font-family:var(--font-mono);font-size:10px;font-weight:600;letter-spacing:.22em;color:var(--ds-text-4th);text-transform:uppercase}.field-input{background:rgba(255,255,255,.04);border:1px solid var(--ds-hairline);border-radius:var(--ds-radius-input);color:var(--ds-text);font-family:var(--font-display);font-size:14px;padding:11px 14px;outline:0;transition:all .15s ease}.field-input:focus{border-color:var(--ds-brand-cta);background:rgba(255,255,255,.06);box-shadow:0 0 0 2px var(--ds-brand-glow)}.field-message{font-size:12px;min-height:18px}.field-message.error{color:var(--ds-error)}.field-message.ok{color:var(--ds-success)}.pw-strength{height:3px;background:rgba(255,255,255,.06);border-radius:999px;overflow:hidden;margin-top:6px}.pw-strength-fill{height:100%;transition:width .2s ease,background-color .2s ease;width:0;background:var(--ds-error);border-radius:inherit}.pw-strength-fill.weak{background:var(--ds-error)}.pw-strength-fill.mid{background:var(--ds-warning)}.pw-strength-fill.strong{background:var(--ds-success)}.form-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 16px;font-family:var(--font-display);font-weight:600;font-size:13px;letter-spacing:-.005em;border-radius:var(--ds-radius-button);border:1px solid var(--ds-hairline);background:var(--ds-elevated);color:var(--ds-text);cursor:pointer;text-decoration:none;transition:all .15s ease;white-space:nowrap}.btn:hover{border-color:var(--ds-hairline-hov);background:rgba(255,255,255,.06)}.btn.lg{padding:13px 22px;font-size:13px}.btn.primary{background:linear-gradient(180deg,var(--ds-brand-hover) 0,var(--ds-brand-cta) 100%);border-color:var(--ds-brand-cta);color:#fff;box-shadow:0 8px 24px rgba(138,29,29,.35)}.btn.primary:hover{background:linear-gradient(180deg,#c52e2e 0,var(--ds-brand-hover) 100%)}.btn.ghost{background:0 0}.btn.danger{background:rgba(248,113,113,.15);border-color:rgba(248,113,113,.5);color:var(--ds-error)}.btn.danger:hover:not(:disabled){background:rgba(248,113,113,.25);border-color:var(--ds-error)}.btn:disabled{opacity:.4;cursor:not-allowed}.lang-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px}.lang-card{display:flex;flex-direction:column;align-items:flex-start;gap:6px;padding:18px;background:rgba(255,255,255,.02);border:1px solid var(--ds-hairline);border-radius:12px;cursor:pointer;transition:all .15s ease;text-align:left}.lang-card:hover:not(.disabled){border-color:var(--ds-hairline-hov);background:rgba(255,255,255,.05)}.lang-card.active{border-color:var(--ds-brand-cta);background:var(--ds-brand-soft)}.lang-card.disabled{opacity:.4;cursor:not-allowed}.lang-flag{font-size:28px}.lang-name{font-family:var(--font-display);font-weight:700;font-size:16px;letter-spacing:-.02em}.lang-sub{font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;color:var(--ds-text-4th);text-transform:uppercase}.pin-display{display:flex;flex-direction:column;align-items:center;gap:14px;padding:18px 0}.pin-cells{display:flex;gap:8px;align-items:center}.pin-cell{width:48px;height:60px;display:inline-flex;align-items:center;justify-content:center;background:var(--ds-elevated);border:1px solid var(--ds-hairline);border-radius:var(--ds-radius-input);font-size:26px;font-weight:700;color:var(--ds-text-2nd)}.pin-cell.set{color:var(--ds-text);border-color:var(--ds-brand-cta);background:var(--ds-brand-soft)}.pin-sep{font-family:var(--font-mono);font-size:26px;color:var(--ds-text-4th);padding:0 4px}.pin-status{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ds-text-4th);font-weight:600}.pin-status.connected{color:var(--ds-success)}.playlist-list{display:flex;flex-direction:column;gap:6px}.playlist-row{display:grid;grid-template-columns:auto 1fr auto auto;gap:12px;align-items:center;padding:12px 14px;background:rgba(255,255,255,.02);border:1px solid var(--ds-hairline);border-radius:10px}.playlist-icon{font-size:18px}.playlist-name{font-family:var(--font-display);font-weight:600;font-size:14px}.playlist-meta{font-family:var(--font-mono);font-size:10px;color:var(--ds-text-4th);letter-spacing:.05em;margin-top:2px}.playlist-count{font-family:var(--font-mono);font-size:12px;color:var(--ds-tint);font-weight:700;padding:4px 10px;background:var(--ds-brand-soft);border-radius:999px}.playlist-active{font-family:var(--font-mono);font-size:9px;letter-spacing:.16em;padding:3px 8px;border-radius:4px;background:rgba(54,211,153,.15);color:var(--ds-success);text-transform:uppercase}.action-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}.action-btn{display:flex;flex-direction:column;align-items:flex-start;gap:8px;padding:18px;background:rgba(255,255,255,.02);border:1px solid var(--ds-hairline);border-radius:14px;color:var(--ds-text);cursor:pointer;transition:all .15s ease;text-align:left;font-family:var(--font-display)}.action-btn:hover{border-color:var(--ds-hairline-hov);background:rgba(255,255,255,.05);transform:translateY(-1px)}.action-btn.warn:hover{border-color:var(--ds-warning);background:rgba(240,180,64,.06)}.action-icon{font-size:22px;line-height:1}.action-label{font-weight:700;font-size:14px;letter-spacing:-.015em}.action-sub{font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;color:var(--ds-text-4th);text-transform:uppercase}.about-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px}.about-cell{padding:12px 14px;background:rgba(255,255,255,.02);border:1px solid var(--ds-hairline);border-radius:10px}.about-lbl{font-family:var(--font-mono);font-size:9px;letter-spacing:.22em;color:var(--ds-text-4th);text-transform:uppercase;margin-bottom:6px;font-weight:600}.about-val{font-size:14px;font-weight:700;color:var(--ds-text)}.module-list{display:flex;flex-direction:column;gap:6px}.module-row{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;padding:12px 14px;background:rgba(255,255,255,.02);border:1px solid var(--ds-hairline);border-radius:10px;text-decoration:none;color:inherit;transition:all .15s ease}.module-row:hover{border-color:var(--ds-hairline-hov);background:rgba(255,255,255,.04)}.module-icon{font-size:18px}.module-name{font-family:var(--font-display);font-weight:600;font-size:14px}.module-status{font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;padding:3px 8px;border-radius:4px}.module-status.ok{background:rgba(54,211,153,.15);color:var(--ds-success)}.module-status.todo{background:rgba(255,255,255,.04);color:var(--ds-text-4th)}.danger-section{margin-top:32px}.danger-card{border-color:rgba(248,113,113,.3)}.danger-text{font-size:14px;color:var(--ds-text-2nd);line-height:1.6;margin:0 0 8px}.danger-text strong{color:var(--ds-error)}.empty{max-width:640px;margin:80px auto;padding:32px;background:var(--ds-elevated);border:1px solid var(--ds-hairline);border-radius:20px}.empty-overline{font-family:var(--font-mono);font-size:11px;letter-spacing:.26em;color:var(--ds-brand-mark);text-transform:uppercase;font-weight:600;margin-bottom:16px}.empty-title{font-weight:800;font-size:28px;letter-spacing:-.04em;line-height:1.05;margin-bottom:12px}.empty-body{color:var(--ds-text-3rd);font-size:15px;margin:0 0 24px}.empty-actions{display:flex;gap:12px;flex-wrap:wrap}.overlay{position:fixed;inset:0;z-index:60;display:flex;align-items:center;justify-content:center}.overlay-scrim{position:absolute;inset:0;background:rgba(0,0,0,.78);backdrop-filter:blur(14px)}.overlay-card{position:relative;width:min(480px,calc(100% - 32px));background:linear-gradient(180deg,#131313 0,#0a0a0a 100%);border:1px solid var(--ds-hairline);border-radius:var(--ds-radius-overlay);padding:28px;text-align:center;animation:ovRise .25s ease-out}@keyframes ovRise{from{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.overlay-close{position:absolute;top:14px;right:14px;width:36px;height:36px;border-radius:50%;border:1px solid var(--ds-hairline);background:var(--ds-elevated);color:var(--ds-text);font-size:22px;line-height:1;cursor:pointer}.overlay-eyebrow{font-family:var(--font-mono);font-size:10px;font-weight:600;letter-spacing:.26em;color:var(--ds-brand-mark);text-transform:uppercase;margin-bottom:12px}.overlay-title{font-weight:800;font-size:22px;line-height:1.05;letter-spacing:-.04em;margin:0 0 12px}.overlay-desc{color:var(--ds-text-3rd);font-size:14px;line-height:1.55;margin:0 0 22px}.pair-pin-input{display:flex;gap:8px;justify-content:center;margin:22px 0 14px;align-items:center}.pin-input{width:44px;height:56px;text-align:center;font-family:var(--font-mono);font-size:22px;font-weight:700;background:var(--ds-elevated);border:1px solid var(--ds-hairline);border-radius:var(--ds-radius-input);color:var(--ds-text)}.pin-input:focus{outline:0;border-color:var(--ds-brand-cta);box-shadow:0 0 0 2px var(--ds-brand-glow)}.pair-status{min-height:18px;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ds-success);margin-bottom:12px;font-weight:600}.pair-status.error{color:var(--ds-error)}.overlay-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);padding:14px 22px;background:var(--ds-base);border:1px solid var(--ds-hairline);border-radius:14px;color:var(--ds-text);font-size:14px;z-index:80;box-shadow:0 20px 40px rgba(0,0,0,.5);max-width:90vw;animation:toastIn .2s ease-out}@keyframes toastIn{from{opacity:0;transform:translate(-50%,10px)}to{opacity:1;transform:translate(-50%,0)}}@media (max-width:900px){.topbar{grid-template-columns:auto auto;grid-template-rows:auto auto;row-gap:12px}.topbar-back{grid-column:2;grid-row:1;justify-self:end}.topbar-meta{grid-column:1/-1;grid-row:2;justify-content:flex-start}}@media (max-width:540px){.row.toggle-row{grid-template-columns:1fr;gap:10px}.seg-switch,.theme-switch{width:100%}.seg-opt,.theme-opt{flex:1;text-align:center}}@media (prefers-reduced-motion:reduce){.overlay-card,.toast{animation:none!important}}@media (max-width:480px){.shell{padding:12px!important;gap:12px!important}.ds-header,.header,.topbar{padding:10px 12px!important;flex-wrap:wrap;gap:8px!important}.nav-side,.sidebar{display:none!important}.row{grid-template-columns:1fr!important;gap:6px!important;padding:12px 0!important}.row-label,.row-val{font-size:13px!important}.lang-grid{grid-template-columns:repeat(2,1fr)!important;gap:8px!important}.card,.ds-card{padding:14px!important;border-radius:14px!important}.placeholder-block{padding:22px 14px!important}.placeholder-title{font-size:14px!important}.placeholder-desc{font-size:12px!important}.page-title,h1{font-size:clamp(20px, 5.5vw, 26px)!important}.section-title,h2{font-size:clamp(15px, 4.5vw, 18px)!important}.btn{min-height:40px}}@media (max-width:380px){.lang-grid{grid-template-columns:1fr!important}.page-title,h1{font-size:19px!important}}