/* ComfyAI Tools — app.css v4.0 DARK EDITION */
:root{
  --ca-ease-spring:cubic-bezier(0.34,1.56,0.64,1);
  --ca-ease-smooth:cubic-bezier(0.25,1,0.5,1);
  --ca-ease-apple:cubic-bezier(0.42,0,0.58,1);
  --bg:#09090b;
  --bg-2:#0f0f12;
  --bg-3:#18181b;
  --bg-4:#27272a;
  --indigo:#818cf8;
  --indigo-sat:#6366f1;
  --indigo-dark:#4f46e5;
  --indigo-bg:rgba(99,102,241,0.10);
  --indigo-bg-hover:rgba(99,102,241,0.16);
  --indigo-border:rgba(99,102,241,0.28);
  --teal:#2dd4bf;
  --teal-dark:#14b8a6;
  --teal-bg:rgba(20,184,166,0.10);
  --teal-border:rgba(20,184,166,0.28);
  --emerald:#34d399;
  --emerald-dark:#10b981;
  --emerald-bg:rgba(16,185,129,0.10);
  --emerald-border:rgba(16,185,129,0.28);
  --purple:#c084fc;
  --purple-sat:#a855f7;
  --purple-bg:rgba(168,85,247,0.10);
  --purple-border:rgba(168,85,247,0.28);
  --cyan:#38bdf8;
  --cyan-bg:rgba(56,189,248,0.10);
  --cyan-border:rgba(56,189,248,0.28);
  --amber:#fbbf24;
  --text-1:#f4f4f5;
  --text-2:#e4e4e7;
  --text-3:#a1a1aa;
  --text-4:#71717a;
  --text-5:#52525b;
  --border:rgba(255,255,255,0.07);
  --border-md:rgba(255,255,255,0.11);
  --border-bright:rgba(255,255,255,0.16);
  --shadow-sm:0 2px 8px rgba(0,0,0,0.35),0 1px 2px rgba(0,0,0,0.25);
  --shadow-md:0 4px 20px rgba(0,0,0,0.45),0 2px 6px rgba(0,0,0,0.3);
  --shadow-xl:0 24px 64px rgba(0,0,0,0.6),0 8px 20px rgba(0,0,0,0.4);
  --glass-bg:rgba(18,18,22,0.72);
  --glass-bg-strong:rgba(24,24,28,0.88);
  --glass-border:rgba(255,255,255,0.08);
  --glass-border-bright:rgba(255,255,255,0.14);
  --glass-blur:blur(24px) saturate(1.8);
  --glass-blur-heavy:blur(40px) saturate(2);
  --glass-shadow:0 4px 24px rgba(0,0,0,0.45),0 1px 4px rgba(0,0,0,0.3),inset 0 1px 0 rgba(255,255,255,0.06);
  --glass-shadow-lg:0 12px 48px rgba(0,0,0,0.55),0 4px 12px rgba(0,0,0,0.4),inset 0 1px 0 rgba(255,255,255,0.08);
  --glass-inner-glow:inset 0 1px 0 rgba(255,255,255,0.07),inset 0 -1px 0 rgba(0,0,0,0.15);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text-1);-webkit-font-smoothing:antialiased;letter-spacing:-0.011em}
.ambient-bg{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none;background:var(--bg)}
.ambient-orb{position:absolute;border-radius:50%;pointer-events:none}
.nav-link{transition:color .22s var(--ca-ease-apple),background .22s var(--ca-ease-apple);-webkit-tap-highlight-color:transparent;color:var(--text-3);border-radius:9999px;padding:.5rem 1rem;font-size:.875rem;font-weight:600;display:flex;align-items:center;text-decoration:none}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,0.06)}
.nav-link.active{background:var(--indigo-bg);color:var(--indigo);box-shadow:inset 0 0 0 1px var(--indigo-border)}
.mobile-nav-icon{color:var(--text-4);font-size:.625rem;font-weight:600;padding:.35rem .5rem;border-radius:9999px}
.mobile-nav-icon.active{color:var(--indigo);background:var(--indigo-bg)}
.mob-nav-lnk{white-space:nowrap;flex-shrink:1;min-width:0;padding:5px 7px!important;border-radius:9999px!important;font-size:9.5px!important;font-weight:700!important;min-height:28px!important;text-decoration:none!important}
@media(max-width:380px){.mob-nav-lnk{padding:5px 5px!important;font-size:8.5px!important}}
.btn-spring{-webkit-tap-highlight-color:transparent;transition:transform .22s var(--ca-ease-spring),box-shadow .22s ease}
.btn-spring:hover{transform:scale(1.03) translateZ(0)}.btn-spring:active{transform:scale(0.96) translateZ(0)}
.max-w-4xl{max-width:56rem}.max-w-5xl{max-width:64rem}.max-w-7xl{max-width:80rem}
.mx-auto{margin-left:auto;margin-right:auto}.w-full{width:100%}.px-4{padding-left:1rem;padding-right:1rem}
@media(min-width:768px){.md\:px-8{padding-left:2rem;padding-right:2rem}}
.flex{display:flex}.items-center{align-items:center}.text-center{text-align:center}.mb-12{margin-bottom:3rem}.hidden{display:none!important}
@keyframes scaleIn{from{opacity:0;transform:translateY(12px) scale(0.97)}to{opacity:1;transform:translateY(0) scale(1)}}
.animate-scale-in{animation:scaleIn .5s var(--ca-ease-spring) both}
@keyframes cardUp{from{opacity:0;transform:translateY(24px) scale(0.95)}to{opacity:1;transform:translateY(0) scale(1)}}
.card-up-0{animation:cardUp .6s var(--ca-ease-spring) 0.05s both}
.card-up-1{animation:cardUp .6s var(--ca-ease-spring) 0.17s both}
.card-up-2{animation:cardUp .6s var(--ca-ease-spring) 0.29s both}
@keyframes glowPulseIndigo{0%,100%{box-shadow:0 0 24px rgba(99,102,241,.22),0 0 80px rgba(99,102,241,.08)}50%{box-shadow:0 0 48px rgba(99,102,241,.4),0 0 120px rgba(99,102,241,.15)}}
@keyframes glowPulsePurple{0%,100%{box-shadow:0 0 24px rgba(168,85,247,.22),0 0 80px rgba(168,85,247,.08)}50%{box-shadow:0 0 48px rgba(168,85,247,.4),0 0 120px rgba(168,85,247,.15)}}
@keyframes glowPulseEmerald{0%,100%{box-shadow:0 0 24px rgba(16,185,129,.22),0 0 80px rgba(16,185,129,.08)}50%{box-shadow:0 0 48px rgba(16,185,129,.4),0 0 120px rgba(16,185,129,.15)}}
@keyframes borderShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
.tool-card-glow-wrap{padding:1.5px;border-radius:calc(1.75rem + 2px);background-size:100% 100%}
.tool-card-glow-indigo{background:linear-gradient(135deg,rgba(99,102,241,.85) 0%,rgba(56,189,248,.5) 40%,rgba(99,102,241,.65) 70%,rgba(168,85,247,.75) 100%);box-shadow:0 4px 24px rgba(0,0,0,0.5)}
.tool-card-glow-purple{background:linear-gradient(135deg,rgba(168,85,247,.85) 0%,rgba(236,72,153,.55) 40%,rgba(56,189,248,.6) 75%,rgba(168,85,247,.75) 100%);box-shadow:0 4px 24px rgba(0,0,0,0.5)}
.tool-card-glow-emerald{background:linear-gradient(135deg,rgba(16,185,129,.85) 0%,rgba(56,189,248,.55) 40%,rgba(168,85,247,.5) 75%,rgba(16,185,129,.75) 100%);box-shadow:0 4px 24px rgba(0,0,0,0.5)}
.tool-hub-card{background:rgba(18,18,22,0.88);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border-radius:1.75rem;padding:28px;position:relative;overflow:hidden;min-height:230px;display:flex;flex-direction:column;justify-content:space-between;transition:background .35s ease,transform .35s var(--ca-ease-spring)}
.tool-hub-card::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 80% 0%,rgba(255,255,255,0.03) 0%,transparent 60%);pointer-events:none}
.tool-card-glow-wrap:hover .tool-hub-card{background:rgba(26,26,32,0.95);transform:translateY(-3px)}
.tool-icon{width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.tool-icon-indigo{background:rgba(99,102,241,.12);border:1px solid rgba(99,102,241,.28);box-shadow:0 0 20px rgba(99,102,241,.2),inset 0 1px 0 rgba(255,255,255,.06)}
.tool-icon-purple{background:rgba(168,85,247,.12);border:1px solid rgba(168,85,247,.28);box-shadow:0 0 20px rgba(168,85,247,.2),inset 0 1px 0 rgba(255,255,255,.06)}
.tool-icon-emerald{background:rgba(16,185,129,.12);border:1px solid rgba(16,185,129,.28);box-shadow:0 0 20px rgba(16,185,129,.2),inset 0 1px 0 rgba(255,255,255,.06)}
.tool-card-footer{display:flex;align-items:center;justify-content:space-between;margin-top:20px;padding-top:16px;border-top:1px solid rgba(255,255,255,0.06)}
.credit-pill{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:9999px;font-size:11px;font-weight:700;font-family:'SF Mono',monospace}
.credit-pill-teal{background:rgba(20,184,166,.10);border:1px solid rgba(20,184,166,.28);color:#2dd4bf}
.credit-pill-indigo{background:rgba(99,102,241,.10);border:1px solid rgba(99,102,241,.28);color:#818cf8}
.credit-pill-purple{background:rgba(168,85,247,.10);border:1px solid rgba(168,85,247,.28);color:#c084fc}
.credit-pill-cyan{background:rgba(56,189,248,.10);border:1px solid rgba(56,189,248,.28);color:#38bdf8}
.credit-pill-emerald{background:rgba(16,185,129,.10);border:1px solid rgba(16,185,129,.28);color:#34d399}
.live-badge{display:inline-flex;align-items:center;gap:5px;padding:4px 12px;border-radius:9999px;background:rgba(16,185,129,.10);border:1px solid rgba(16,185,129,.28);font-size:11px;font-weight:700;color:#34d399}
.live-badge::before{content:'';width:6px;height:6px;border-radius:50%;background:#10b981;box-shadow:0 0 8px #10b981;display:inline-block}
.nim-badge{display:inline-flex;align-items:center;gap:5px;padding:4px 12px;border-radius:9999px;background:rgba(16,185,129,.08);border:1px dashed rgba(16,185,129,.35);font-size:11px;font-weight:700;color:#34d399}
.nim-badge::before{content:'';width:6px;height:6px;border-radius:50%;background:#34d399;box-shadow:0 0 8px #10b981;display:inline-block}
.coming-soon-card{background:rgba(255,255,255,.02);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.06);border-radius:20px;padding:20px;position:relative;overflow:hidden;opacity:.55;transition:opacity .2s}
.coming-soon-card:hover{opacity:.7}
.rep-card{position:relative;background:var(--glass-bg-strong);backdrop-filter:var(--glass-blur-heavy);-webkit-backdrop-filter:var(--glass-blur-heavy);border:1px solid rgba(168,85,247,0.28);box-shadow:0 4px 24px rgba(0,0,0,.4),0 0 20px rgba(168,85,247,.15),inset 0 1px 0 rgba(255,255,255,.06);border-radius:1.5rem;overflow:hidden;transition:all .4s var(--ca-ease-spring);animation:spreadIn .4s var(--ca-ease-spring) both}
.rep-card::before{content:'';position:absolute;inset:0;border-radius:1.5rem;background:linear-gradient(135deg,rgba(168,85,247,.06) 0%,transparent 50%,rgba(192,132,252,.04) 100%);pointer-events:none;opacity:0;transition:opacity .3s}
.rep-card:hover::before{opacity:1}
.rep-card:hover{border-color:rgba(168,85,247,0.55);box-shadow:0 8px 40px rgba(0,0,0,.55),0 0 40px rgba(168,85,247,.28),0 0 60px rgba(168,85,247,.18),inset 0 1px 0 rgba(255,255,255,.08);transform:translateY(-4px)}
.rep-card[data-idx="0"]{animation-delay:0s}.rep-card[data-idx="1"]{animation-delay:.06s}.rep-card[data-idx="2"]{animation-delay:.12s}.rep-card[data-idx="3"]{animation-delay:.18s}.rep-card[data-idx="4"]{animation-delay:.22s}.rep-card[data-idx="5"]{animation-delay:.26s}.rep-card[data-idx="6"]{animation-delay:.29s}.rep-card[data-idx="7"]{animation-delay:.32s}
@keyframes spreadIn{from{opacity:0;transform:translateY(12px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}
@keyframes ca-spin{to{transform:rotate(360deg)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}
.rep-card-image-wrap{position:relative;aspect-ratio:1;background:var(--bg-3);overflow:hidden}
.rep-card-image{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.rep-card:hover .rep-card-image{transform:scale(1.03)}
.rep-card-content{padding:1rem;background:rgba(18,18,22,0.6)}
.rep-card-actions{display:flex;gap:.5rem;margin-top:.75rem;padding-top:.75rem;border-top:1px solid var(--border)}
.rep-card-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:.375rem;padding:.5rem;border-radius:.625rem;font-size:.75rem;font-weight:700;cursor:pointer;border:none;transition:all .2s ease;box-shadow:0 0 0 1px transparent}
.rep-card-btn-copy{background:rgba(99,102,241,0.18);color:#a5b4fc;border:1px solid rgba(99,102,241,0.4)!important;box-shadow:0 0 8px rgba(99,102,241,0.25),inset 0 1px 0 rgba(255,255,255,0.08)!important}.rep-card-btn-copy:hover{background:#6366f1;color:#fff;box-shadow:0 0 16px rgba(99,102,241,0.5)!important}
.rep-card-btn-use{background:rgba(20,184,166,0.18);color:#5eead4;border:1px solid rgba(20,184,166,0.4)!important;box-shadow:0 0 8px rgba(20,184,166,0.25),inset 0 1px 0 rgba(255,255,255,0.08)!important}.rep-card-btn-use:hover{background:#14b8a6;color:#fff;box-shadow:0 0 16px rgba(20,184,166,0.5)!important}
.rep-card-status-badge{position:absolute;top:.5rem;left:.5rem}
.rep-card-remove{position:absolute;top:.5rem;right:.5rem;width:32px!important;height:32px!important;min-width:32px!important;min-height:32px!important;border-radius:50%!important;background:rgba(239,68,68,.92);border:2px solid rgba(255,255,255,.25);box-shadow:0 0 16px rgba(239,68,68,.6),0 4px 12px rgba(0,0,0,.4);display:flex!important;align-items:center!important;justify-content:center!important;color:#fff;cursor:pointer;opacity:.9;transition:opacity .22s ease,transform .22s var(--ca-ease-spring);backdrop-filter:blur(12px);padding:0!important}
.rep-card:hover .rep-card-remove{opacity:1}
@media(max-width:767px){.rep-card-remove{opacity:.95}}
.rep-card-remove:hover{transform:scale(1.2) rotate(90deg);background:#ef4444;box-shadow:0 0 24px rgba(239,68,68,.8),0 4px 16px rgba(0,0,0,.5)}
.rep-card-remove svg{width:13px!important;height:13px!important;pointer-events:none!important;stroke-width:2.5!important}
.rep-card-expand-btn{position:absolute;bottom:.5rem;right:.5rem;width:30px;height:30px;border-radius:8px;background:rgba(0,0,0,.5);border:1px solid rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;color:#fff;cursor:pointer;opacity:0;transition:opacity .22s;backdrop-filter:blur(8px)}
.rep-card:hover .rep-card-expand-btn{opacity:1}@media(max-width:767px){.rep-card-expand-btn{opacity:.8}}
.rep-card-prompt-section{display:flex;flex-direction:column;gap:.625rem}
.rep-card-prompt-box{width:100%;height:6rem;background:rgba(0,0,0,.3);border:1px solid var(--border);border-radius:.625rem;padding:.5rem .625rem;font-size:.625rem;line-height:1.65;color:var(--text-2);font-family:"SF Mono",Monaco,monospace;resize:none;overflow-y:auto;cursor:text}
.rep-card-prompt-box:focus{outline:none;border-color:rgba(16,185,129,.4)}
.rep-card-placeholder{padding:1rem .5rem;display:flex;flex-direction:column;align-items:center;gap:.375rem}
.status-badge{display:inline-flex;align-items:center;gap:4px;padding:3px 8px;border-radius:9999px;font-size:10px;font-weight:700}
.status-badge-pending{background:rgba(245,158,11,.10);color:#fbbf24;border:1px solid rgba(245,158,11,.25)}
.status-badge-running{background:rgba(99,102,241,.10);color:var(--indigo);border:1px solid var(--indigo-border)}
.status-badge-done{background:rgba(16,185,129,.10);color:var(--emerald);border:1px solid var(--emerald-border)}
.status-badge-error{background:rgba(239,68,68,.10);color:#f87171;border:1px solid rgba(239,68,68,.25)}
.atomic-dots-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:10;pointer-events:none;display:none}
.rep-grid-layout{display:grid;grid-template-columns:repeat(1,1fr);gap:20px;padding-bottom:24px}
@media(min-width:640px){.rep-grid-layout{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.rep-grid-layout{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1280px){.rep-grid-layout{grid-template-columns:repeat(4,1fr)}}
.rep-grid-layout.list-view{grid-template-columns:1fr!important}
.rep-grid-layout.list-view .rep-card{display:flex;flex-direction:row;min-height:auto}
.rep-grid-layout.list-view .rep-card-image-wrap{width:120px;min-width:120px;aspect-ratio:1;flex-shrink:0}
.rep-grid-layout.list-view .rep-card-content{flex:1;min-width:0}
.rep-drop-zone{border:2px dashed rgba(168,85,247,.2);border-radius:24px;background:rgba(168,85,247,.03);transition:all .28s var(--ca-ease-spring);cursor:pointer}
.rep-drop-zone:hover,.rep-drop-zone.drag-over{border-color:#a855f7!important;background:rgba(168,85,247,.07)!important;transform:scale(1.005)}
.cat-toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(80px);z-index:9000;padding:12px 20px;border-radius:14px;font-size:14px;font-weight:600;backdrop-filter:blur(24px);transition:transform .35s var(--ca-ease-spring),opacity .35s;opacity:0;white-space:nowrap;max-width:90vw;pointer-events:none}
.cat-toast.show{transform:translateX(-50%) translateY(0);opacity:1}
.cat-toast-success{background:rgba(16,185,129,.12);border:1px solid rgba(16,185,129,.3);color:#34d399}
.cat-toast-error{background:rgba(239,68,68,.10);border:1px solid rgba(239,68,68,.28);color:#f87171}
.cat-toast-info{background:rgba(99,102,241,.10);border:1px solid rgba(99,102,241,.28);color:var(--indigo)}
.cat-signin-overlay{position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.75);backdrop-filter:blur(16px);display:flex;align-items:center;justify-content:center;padding:20px}
.cat-signin-card{background:var(--glass-bg-strong);border:1px solid var(--glass-border-bright);border-radius:28px;padding:40px;max-width:380px;width:100%;text-align:center;box-shadow:var(--shadow-xl)}
/* Upscaler */
.usc-layout{display:grid;grid-template-columns:1fr;gap:24px;max-width:80rem;margin:0 auto;padding:0 16px}
@media(min-width:1024px){.usc-layout{grid-template-columns:400px 1fr;padding:0 32px;align-items:start}}
@media(min-width:1280px){.usc-layout{grid-template-columns:440px 1fr}}
.usc-left-panel{display:flex;flex-direction:column;gap:16px}
.usc-panel-header{background:rgba(18,18,26,0.88);backdrop-filter:blur(32px) saturate(2.4);-webkit-backdrop-filter:blur(32px) saturate(2.4);border:1px solid rgba(99,102,241,0.25);border-radius:24px;padding:24px;box-shadow:0 0 0 1px rgba(99,102,241,0.1),0 0 28px rgba(99,102,241,0.12),0 8px 40px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.06);position:relative;overflow:hidden}
.usc-panel-header::before{content:'';position:absolute;inset:0;border-radius:24px;background:linear-gradient(135deg,rgba(99,102,241,.04) 0%,transparent 50%,rgba(56,189,248,.02) 100%);pointer-events:none}
.usc-section{background:rgba(18,18,26,0.85);backdrop-filter:blur(28px) saturate(2.1);-webkit-backdrop-filter:blur(28px) saturate(2.1);border:1px solid rgba(99,102,241,0.15);border-radius:24px;padding:20px;box-shadow:0 0 0 1px rgba(99,102,241,0.06),0 0 20px rgba(99,102,241,0.08),0 4px 24px rgba(0,0,0,.4),inset 0 1px 0 rgba(255,255,255,.05)}
.usc-section-label{display:block;font-size:11px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--text-4);margin-bottom:12px}
.usc-drop-zone{border:2px dashed rgba(99,102,241,.2);border-radius:20px;background:rgba(99,102,241,.03);padding:28px 20px;text-align:center;cursor:pointer;transition:all .25s var(--ca-ease-spring)}
.usc-drop-zone:hover,.usc-drop-zone.drag-over{border-color:var(--indigo-sat);background:rgba(99,102,241,.07);transform:scale(1.008)}
.usc-drop-icon{width:52px;height:52px;border-radius:16px;background:rgba(99,102,241,.10);border:1px solid rgba(99,102,241,.22);display:flex;align-items:center;justify-content:center;margin:0 auto 14px}
.usc-fmt-badge{padding:2px 8px;border-radius:6px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);font-size:9px;font-weight:700;color:var(--text-5)}
.usc-file-chip{display:flex;align-items:center;gap:8px;padding:10px 14px;background:rgba(16,185,129,.07);border:1px solid rgba(16,185,129,.22);border-radius:12px;margin-top:10px}
.usc-right-panel{display:flex;flex-direction:column;gap:16px}
.usc-result-panel{background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:24px;overflow:hidden;box-shadow:var(--glass-shadow)}
.usc-empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;text-align:center;color:var(--text-4)}
.usc-compare-track{position:relative;width:100%;overflow:hidden;border-radius:0;background:var(--bg-3)}
.usc-img-label{position:absolute;top:12px;padding:4px 12px;border-radius:9999px;font-size:11px;font-weight:700;z-index:10;backdrop-filter:blur(12px)}
.usc-img-label-orig{left:12px;background:rgba(0,0,0,.55);color:rgba(255,255,255,.7)}
.usc-img-label-up{right:12px;background:rgba(99,102,241,.2);border:1px solid rgba(99,102,241,.35);color:var(--indigo)}
.usc-divider{position:absolute;top:0;bottom:0;width:2px;background:rgba(255,255,255,.25);z-index:9;cursor:ew-resize;left:50%}
.usc-divider-handle{position:absolute;top:50%;transform:translateY(-50%);width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,.15);backdrop-filter:blur(12px);border:1.5px solid rgba(255,255,255,.3);display:flex;align-items:center;justify-content:center;left:-15px;cursor:ew-resize;color:#fff}
.usc-progress-bar{height:3px;background:var(--bg-3);overflow:hidden;border-radius:0}
.usc-progress-fill{height:100%;background:linear-gradient(90deg,var(--indigo-sat),var(--teal));transition:width .4s ease;border-radius:9999px}
.usc-scale-btn{flex:1;padding:10px;border-radius:12px;border:1px solid var(--border);background:var(--bg-3);color:var(--text-3);font-size:.875rem;font-weight:600;cursor:pointer;transition:all .2s var(--ca-ease-spring);text-align:center}
.usc-scale-btn:hover{border-color:var(--indigo-border);color:var(--indigo);background:var(--indigo-bg)}
.usc-scale-btn.active{border-color:var(--indigo-sat);background:var(--indigo-bg);color:var(--indigo);box-shadow:0 0 16px rgba(99,102,241,.2)}
.usc-primary-btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:14px 24px;border-radius:16px;background:linear-gradient(135deg,#6366f1,#4f46e5);color:#fff;border:none;font-size:.9375rem;font-weight:700;cursor:pointer;box-shadow:0 4px 20px rgba(99,102,241,.35),inset 0 1px 0 rgba(255,255,255,.12);transition:all .25s var(--ca-ease-spring)}
.usc-primary-btn:hover:not(:disabled){box-shadow:0 8px 32px rgba(99,102,241,.5);transform:translateY(-1px)}
.usc-primary-btn:disabled{opacity:.35;cursor:not-allowed;transform:none;box-shadow:none}