/* =========================================================
   RyuTools — ULTRA Liquid Glass (2026)
   Thick frosted panels · multi-layer refraction · specular
   fluid blobs · caustic light · gooey depth
   ========================================================= */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg-0:#000208;
  --bg-1:#030a16;
  --bg-2:#071428;

  /* Ultra-translucent glass */
  --glass:rgba(255,255,255,.07);
  --glass-2:rgba(255,255,255,.1);
  --glass-3:rgba(255,255,255,.14);
  --glass-hover:rgba(140,200,255,.16);
  --glass-fill:
    linear-gradient(165deg,
      rgba(255,255,255,.28) 0%,
      rgba(255,255,255,.1) 12%,
      rgba(160,210,255,.08) 28%,
      rgba(255,255,255,.035) 52%,
      rgba(40,120,220,.07) 78%,
      rgba(255,255,255,.06) 100%);
  --glass-fill-strong:
    linear-gradient(150deg,
      rgba(255,255,255,.38) 0%,
      rgba(180,220,255,.16) 22%,
      rgba(255,255,255,.06) 55%,
      rgba(60,160,255,.1) 100%);

  /* Softer borders avoid gray fringe on rounded glass corners */
  /* Prefer inset ring over hard border (avoids white square corners) */
  --border:transparent;
  --border-strong:transparent;
  --border-hover:transparent;
  --ring:inset 0 0 0 1px rgba(170,210,255,.24);
  --ring-strong:inset 0 0 0 1px rgba(200,230,255,.38);
  --specular:rgba(255,255,255,.85);
  --specular-soft:rgba(255,255,255,.32);

  --accent:#5b9dff;
  --accent-2:#2de2ff;
  --accent-3:#9ec9ff;
  --accent-glow:rgba(90,160,255,.55);
  --accent-soft:rgba(90,160,255,.2);

  --text:#f7fbff;
  --text-dim:rgba(230,242,255,.78);
  --text-muted:rgba(190,215,245,.55);

  --success:#4af0c0;
  --error:#ff9a9a;
  --warning:#ffe08a;

  --radius:32px;
  --radius-md:24px;
  --radius-sm:18px;
  --radius-xs:14px;
  --radius-pill:999px;

  --blur:48px;
  --blur-strong:64px;
  --saturate:220%;

  --shadow-lg:
    0 2px 0 rgba(255,255,255,.12) inset,
    0 -20px 40px rgba(30,80,180,.08) inset,
    0 1px 0 rgba(255,255,255,.25) inset,
    0 12px 40px rgba(0,0,0,.4),
    0 40px 100px rgba(0,8,30,.55),
    0 0 80px rgba(60,140,255,.08);
  --shadow-md:
    0 1px 0 rgba(255,255,255,.2) inset,
    0 -12px 28px rgba(20,60,140,.08) inset,
    0 8px 32px rgba(0,0,0,.35);
  --shadow-glow:
    0 0 0 1px rgba(255,255,255,.14),
    0 1px 0 rgba(255,255,255,.3) inset,
    0 12px 48px rgba(50,140,255,.2),
    0 0 60px rgba(40,180,255,.08);

  --safe-b:env(safe-area-inset-bottom,0px);
  --safe-t:env(safe-area-inset-top,0px);

  --orange:#6ec4ff;
  --purple:#5b9dff;
  --green:#4af0c0;

  --surface:var(--glass);
  --surface-2:var(--glass-2);
  --surface-hover:var(--glass-hover);
}

html{
  font-size:16px;
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
}

body, .liquid-body{
  font-family:'Plus Jakarta Sans',Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  background:var(--bg-0);
  color:var(--text);
  min-height:100dvh;
  overflow-x:hidden;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
  padding:
    max(.85rem,var(--safe-t))
    max(.85rem,env(safe-area-inset-right,0px))
    max(.85rem,var(--safe-b))
    max(.85rem,env(safe-area-inset-left,0px));
}

/* ========== LIQUID STAGE ========== */
.liquid-stage{
  position:fixed;
  inset:0;
  z-index:0;
  overflow:hidden;
  pointer-events:none;
}
.liquid-stage::before{
  content:'';
  position:absolute;
  inset:0;
  background:
    radial-gradient(ellipse 100% 80% at 10% -10%, rgba(70,140,255,.55), transparent 50%),
    radial-gradient(ellipse 90% 70% at 100% 0%, rgba(0,230,255,.32), transparent 48%),
    radial-gradient(ellipse 80% 60% at 50% 110%, rgba(40,90,255,.42), transparent 50%),
    radial-gradient(ellipse 50% 40% at 80% 50%, rgba(140,80,255,.18), transparent 50%),
    radial-gradient(ellipse 40% 35% at 20% 70%, rgba(0,200,255,.15), transparent 45%),
    linear-gradient(160deg, #000105 0%, #04101f 42%, #02060f 100%);
}
.liquid-stage::after{
  content:'';
  position:absolute;
  inset:-30%;
  background:
    conic-gradient(from 120deg at 50% 50%,
      transparent 0deg,
      rgba(100,180,255,.08) 60deg,
      transparent 120deg,
      rgba(0,220,255,.07) 200deg,
      transparent 280deg,
      rgba(140,160,255,.06) 340deg,
      transparent 360deg);
  animation:stageSpin 40s linear infinite;
  filter:blur(60px);
  opacity:.7;
}
@keyframes stageSpin{
  to{transform:rotate(360deg)}
}

/* Caustic light sheets (underwater light) */
.caustic{
  position:absolute;
  border-radius:50%;
  filter:blur(50px) saturate(1.6);
  mix-blend-mode:screen;
  opacity:.45;
  will-change:transform;
}
.caustic-1{
  width:70vw;height:50vh;
  left:5%;top:10%;
  background:
    radial-gradient(ellipse at 30% 40%, rgba(180,230,255,.5) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 60%, rgba(80,180,255,.35) 0%, transparent 45%);
  animation:causticFloat 12s ease-in-out infinite alternate;
}
.caustic-2{
  width:60vw;height:45vh;
  right:0;bottom:5%;
  background:
    radial-gradient(ellipse at 40% 50%, rgba(0,240,255,.35) 0%, transparent 50%),
    radial-gradient(ellipse at 60% 30%, rgba(120,100,255,.25) 0%, transparent 45%);
  animation:causticFloat 16s ease-in-out infinite alternate-reverse;
}
.caustic-3{
  width:45vw;height:35vh;
  left:35%;top:45%;
  background:radial-gradient(ellipse at 50% 50%, rgba(180,140,255,.35) 0%, transparent 55%);
  animation:causticFloat 13s ease-in-out infinite alternate;
  opacity:.32;
}
@keyframes causticFloat{
  0%{transform:translate(0,0) scale(1) rotate(0deg)}
  100%{transform:translate(6%,-5%) scale(1.15) rotate(8deg)}
}

/* Film grain on glass */
.glass-noise{
  position:absolute;
  inset:0;
  opacity:.04;
  mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size:180px 180px;
  pointer-events:none;
}

.svg-filters{position:absolute;width:0;height:0;overflow:hidden}

/* ========== FLUID BLOBS ========== */
.blob{
  position:absolute;
  filter:blur(55px) saturate(1.6);
  opacity:.65;
  will-change:transform,border-radius;
  mix-blend-mode:screen;
}
.blob-1{
  width:min(560px,95vw);height:min(560px,95vw);
  background:
    radial-gradient(circle at 30% 28%, rgba(255,255,255,.75) 0%, transparent 28%),
    radial-gradient(circle at 55% 45%, rgba(120,190,255,.9) 0%, transparent 42%),
    radial-gradient(circle at 70% 70%, rgba(30,100,255,.7) 0%, transparent 55%);
  top:-18%;left:-14%;
  animation:morph1 14s ease-in-out infinite;
}
.blob-2{
  width:min(480px,85vw);height:min(480px,85vw);
  background:
    radial-gradient(circle at 35% 30%, rgba(200,255,255,.7) 0%, transparent 30%),
    radial-gradient(circle at 60% 60%, rgba(0,200,255,.75) 0%, transparent 50%);
  bottom:-16%;right:-12%;
  animation:morph2 18s ease-in-out infinite;
}
.blob-3{
  width:min(380px,70vw);height:min(380px,70vw);
  background:
    radial-gradient(circle at 45% 35%, rgba(220,200,255,.55) 0%, transparent 35%),
    radial-gradient(circle at 50% 60%, rgba(60,80,255,.6) 0%, transparent 55%);
  top:38%;left:55%;
  opacity:.45;
  animation:morph3 12s ease-in-out infinite;
}
.blob-4{
  width:min(280px,50vw);height:min(280px,50vw);
  background:radial-gradient(circle at 40% 40%, rgba(100,220,255,.65), transparent 55%);
  top:55%;left:8%;
  opacity:.4;
  animation:morph1 20s ease-in-out infinite reverse;
}
.blob-5{
  width:min(240px,45vw);height:min(240px,45vw);
  background:radial-gradient(circle at 50% 40%, rgba(255,255,255,.4), rgba(80,140,255,.35) 40%, transparent 65%);
  top:12%;right:18%;
  opacity:.35;
  animation:morph2 11s ease-in-out infinite reverse;
}

@keyframes morph1{
  0%,100%{transform:translate(0,0) scale(1);border-radius:42% 58% 62% 38% / 44% 40% 60% 56%}
  25%{transform:translate(80px,40px) scale(1.14);border-radius:60% 40% 35% 65% / 50% 62% 38% 50%}
  50%{transform:translate(20px,100px) scale(.9);border-radius:38% 62% 55% 45% / 62% 35% 65% 38%}
  75%{transform:translate(-40px,50px) scale(1.08);border-radius:55% 45% 42% 58% / 40% 55% 45% 60%}
}
@keyframes morph2{
  0%,100%{transform:translate(0,0) scale(1);border-radius:58% 42% 38% 62% / 48% 55% 45% 52%}
  33%{transform:translate(-70px,-50px) scale(1.18);border-radius:40% 60% 68% 32% / 58% 38% 62% 42%}
  66%{transform:translate(50px,-30px) scale(.88);border-radius:62% 38% 48% 52% / 42% 60% 40% 58%}
}
@keyframes morph3{
  0%,100%{transform:translate(-50%,-50%) scale(1);border-radius:50% 50% 42% 58% / 55% 42% 58% 45%}
  50%{transform:translate(-28%,-58%) scale(1.28);border-radius:38% 62% 58% 42% / 48% 55% 45% 52%}
}

/* ========== GLASS RECIPE (thick liquid) ========== */
.glass-edge{
  position:relative;
}
.glass-edge::before{
  content:'';
  position:absolute;
  inset:0;
  border-radius:inherit;
  padding:1px;
  background:linear-gradient(
    145deg,
    rgba(255,255,255,.7) 0%,
    rgba(255,255,255,.15) 18%,
    rgba(255,255,255,.02) 40%,
    rgba(120,190,255,.15) 70%,
    rgba(255,255,255,.25) 100%
  );
  -webkit-mask:linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask:linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor;
  mask-composite:exclude;
  pointer-events:none;
  z-index:3;
}

/* ========== LAYOUT ========== */
.app-wrapper{
  position:relative;
  z-index:1;
  width:100%;
  max-width:860px;
  margin:0 auto;
  padding:.55rem .3rem 1.1rem;
  min-height:calc(100dvh - 1.6rem);
  display:flex;
  flex-direction:column;
  gap:1.05rem;
}

.app-header, .glass-header{
  text-align:center;
  padding:1.2rem .75rem .7rem;
  animation:fadeDown .65s cubic-bezier(.22,1,.36,1);
  background:var(--glass-fill);
  border:none;
  border-radius:var(--radius-md);
  backdrop-filter:blur(var(--blur)) saturate(var(--saturate));
  -webkit-backdrop-filter:blur(var(--blur)) saturate(var(--saturate));
  box-shadow:var(--ring), var(--shadow-md);
  position:relative;
  overflow:hidden; /* clip glass to radius — no white corner leak */
  isolation:isolate;
  background-clip:padding-box;
}
.app-header::before{
  content:'';
  position:absolute;
  inset:0;
  background:
    linear-gradient(120deg, rgba(255,255,255,.35) 0%, rgba(255,255,255,.06) 14%, transparent 36%),
    radial-gradient(ellipse 90% 80% at 50% -20%, rgba(160,210,255,.2), transparent 55%);
  pointer-events:none;
}
.app-header::after{
  content:'';
  position:absolute;
  top:0;left:15%;right:15%;
  height:2px;
  background:linear-gradient(90deg, transparent, rgba(255,255,255,.9), rgba(120,210,255,.5), transparent);
  border-radius:2px;
  filter:blur(.3px);
}
.app-header > *{position:relative;z-index:1}

.logo{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:.9rem;
  margin-bottom:.45rem;
}

.logo-icon{
  width:56px;height:56px;
  background:var(--glass-fill-strong);
  backdrop-filter:blur(24px) saturate(200%);
  -webkit-backdrop-filter:blur(24px) saturate(200%);
  border:1px solid var(--border-strong);
  border-radius:20px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.25rem;
  color:#fff;
  box-shadow:
    0 12px 40px rgba(50,130,255,.5),
    0 0 40px rgba(60,160,255,.25),
    inset 0 2px 0 rgba(255,255,255,.55),
    inset 0 -12px 28px rgba(40,100,255,.2);
  position:relative;
  overflow:hidden;
}
.logo-icon::before{
  content:'';
  position:absolute;
  inset:0;
  background:
    linear-gradient(135deg, rgba(255,255,255,.55) 0%, transparent 42%),
    linear-gradient(320deg, rgba(34,211,238,.25) 0%, transparent 40%);
  animation:logoShine 4s ease-in-out infinite;
}
.logo-icon::after{
  content:'';
  position:absolute;
  width:200%;height:200%;
  top:-50%;left:-50%;
  background:conic-gradient(from 0deg, transparent, rgba(255,255,255,.2), transparent 30%);
  animation:logoSpin 6s linear infinite;
  opacity:.6;
}
@keyframes logoShine{
  0%,100%{opacity:.8}
  50%{opacity:1}
}
@keyframes logoSpin{
  to{transform:rotate(360deg)}
}
.logo-icon i{
  position:relative;
  z-index:1;
  filter:drop-shadow(0 0 12px rgba(255,255,255,.7));
}

.logo h1{
  font-size:clamp(1.65rem,4.4vw,2.15rem);
  font-weight:800;
  letter-spacing:-.04em;
  background:linear-gradient(115deg, #fff 0%, #e8f4ff 25%, #9ed8ff 55%, #7dd3fc 78%, #c4b5fd 100%);
  background-size:200% auto;
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  animation:titleFlow 8s ease infinite;
  filter:drop-shadow(0 4px 24px rgba(100,170,255,.35));
}
@keyframes titleFlow{
  0%,100%{background-position:0% center}
  50%{background-position:100% center}
}

.tagline{
  color:var(--text-dim);
  font-size:.9rem;
  font-weight:500;
  letter-spacing:.02em;
  text-shadow:0 2px 16px rgba(0,0,0,.4);
}

/* ========== TABS ========== */
.tab-bar-scroll{
  overflow-x:auto;
  overflow-y:hidden;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
  margin:0 -.25rem;
  padding:.25rem .25rem .65rem;
  animation:fadeUp .55s cubic-bezier(.22,1,.36,1);
}
.tab-bar-scroll::-webkit-scrollbar{display:none}

.tab-bar{
  display:flex;
  gap:.4rem;
  min-width:max-content;
  padding:6px;
  /* Slightly more opaque fill reduces backdrop edge fringe */
  background:linear-gradient(180deg,
    rgba(18,32,58,.82) 0%,
    rgba(10,20,40,.88) 100%);
  border:none!important;
  outline:none!important;
  border-radius:9999px;
  backdrop-filter:blur(24px) saturate(140%);
  -webkit-backdrop-filter:blur(24px) saturate(140%);
  box-shadow:none!important;
  filter:none!important;
  position:relative;
  overflow:hidden;
  isolation:isolate;
  background-clip:padding-box;
  -webkit-backface-visibility:hidden;
  backface-visibility:hidden;
}
.tab-bar::before,
.tab-bar::after{
  content:none!important;
  display:none!important;
}

.tab-btn{
  appearance:none;
  flex:0 0 auto;
  min-height:48px;
  padding:.75rem 1.15rem;
  border:none!important;
  outline:none!important;
  border-radius:var(--radius-pill);
  background:transparent;
  color:var(--text-dim);
  font-size:.82rem;
  font-weight:600;
  font-family:inherit;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.45rem;
  transition:background .28s,color .28s,box-shadow .28s,transform .2s;
  white-space:nowrap;
  -webkit-tap-highlight-color:transparent;
  touch-action:manipulation;
  position:relative;
  z-index:1;
  box-shadow:none;
  overflow:hidden;
}
.tab-btn i{font-size:.9rem;opacity:.92}
.tab-btn:hover{
  color:var(--text);
  background:rgba(255,255,255,.1);
  box-shadow:none;
}
.tab-btn:active{transform:scale(.97)}
.tab-btn.active{
  color:#fff;
  background:linear-gradient(135deg, rgba(70,130,255,.9), rgba(30,190,230,.8));
  border:none!important;
  box-shadow:none!important;
  text-shadow:none;
  overflow:hidden;
  isolation:isolate;
}

/* ========== MAIN CARD — ultra thick glass ========== */
.main-card{
  background:var(--glass-fill);
  border:none;
  border-radius:var(--radius);
  padding:clamp(1.2rem,3.2vw,1.9rem);
  backdrop-filter:blur(var(--blur-strong)) saturate(var(--saturate)) brightness(1.05);
  -webkit-backdrop-filter:blur(var(--blur-strong)) saturate(var(--saturate)) brightness(1.05);
  box-shadow:var(--ring), var(--shadow-lg);
  animation:fadeUp .65s cubic-bezier(.22,1,.36,1);
  flex:1;
  position:relative;
  overflow:hidden;
  isolation:isolate;
  will-change:transform;
  background-clip:padding-box;
  -webkit-background-clip:padding-box;
  transform:translateZ(0);
  -webkit-backface-visibility:hidden;
  backface-visibility:hidden;
}
/* Outer glow ring */
.main-card::before{
  content:'';
  position:absolute;
  inset:0;
  border-radius:inherit;
  pointer-events:none;
  background:
    linear-gradient(125deg,
      rgba(255,255,255,.45) 0%,
      rgba(255,255,255,.12) 10%,
      rgba(255,255,255,.02) 28%,
      transparent 45%,
      rgba(100,180,255,.08) 75%,
      rgba(255,255,255,.1) 100%),
    radial-gradient(ellipse 100% 60% at 15% -10%, rgba(180,220,255,.22), transparent 50%),
    radial-gradient(ellipse 80% 50% at 90% 110%, rgba(40,180,255,.12), transparent 45%);
  z-index:0;
  animation:glassBreathe 8s ease-in-out infinite;
}
/* Top specular line + traveling shine */
.main-card::after{
  content:'';
  position:absolute;
  top:-40%;
  left:-60%;
  width:55%;
  height:180%;
  background:linear-gradient(
    105deg,
    transparent 20%,
    rgba(255,255,255,.03) 35%,
    rgba(255,255,255,.18) 48%,
    rgba(180,230,255,.12) 52%,
    rgba(255,255,255,.04) 62%,
    transparent 75%
  );
  transform:skewX(-18deg);
  animation:glassSweep 7s ease-in-out infinite;
  pointer-events:none;
  z-index:1;
  opacity:.7;
}
@keyframes glassBreathe{
  0%,100%{opacity:1}
  50%{opacity:.88}
}
@keyframes glassSweep{
  0%{left:-70%;opacity:0}
  15%{opacity:.75}
  50%{left:110%;opacity:.5}
  100%{left:110%;opacity:0}
}
.main-card > *{position:relative;z-index:2}

/* Inner top rim light (pseudo via box on children containers) */
.main-card > .section-title:first-child,
.main-card > .search-section:first-child,
.main-card > .upload-area:first-child,
.main-card > .scale-grid:first-child,
.main-card > .alert-box:first-child{
  margin-top:0;
}

/* ========== ALERTS ========== */
.alert-box{
  padding:1.05rem 1.15rem;
  border-radius:var(--radius-sm);
  margin-bottom:1.25rem;
  font-size:.86rem;
  display:flex;
  gap:.65rem;
  align-items:flex-start;
  line-height:1.45;
  backdrop-filter:blur(24px) saturate(160%);
  -webkit-backdrop-filter:blur(24px) saturate(160%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.2);
}
.alert-box.warning{
  background:linear-gradient(145deg, rgba(255,210,100,.16), rgba(255,255,255,.06));
  border:1px solid rgba(255,220,130,.38);
  color:#fff0c2;
}

/* ========== SEARCH / INPUTS ========== */
.search-section{
  display:flex;
  gap:.7rem;
  align-items:center;
  flex:0 0 auto;
  width:100%;
}
.input-wrapper{flex:1;position:relative;display:flex;align-items:center;min-width:0}
.input-icon{
  position:absolute;left:1.1rem;
  color:var(--text-muted);
  font-size:.9rem;
  pointer-events:none;
  z-index:1;
  filter:drop-shadow(0 0 6px rgba(150,200,255,.3));
}

#url-input,
input[type="text"],
input[type="password"],
input[type="number"],
input[type="url"],
textarea,
select{
  width:100%;
  min-height:54px;
  padding:.95rem 1.05rem;
  border:none; /* was var(--border) */
  border-radius:var(--radius-sm);
  background:linear-gradient(180deg, rgba(255,255,255,.1), rgba(255,255,255,.04));
  backdrop-filter:blur(22px) saturate(170%);
  -webkit-backdrop-filter:blur(22px) saturate(170%);
  color:var(--text);
  font-size:1rem;
  font-family:inherit;
  outline:none;
  transition:border-color .22s, box-shadow .22s, background .22s;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.2),
    inset 0 -14px 30px rgba(0,20,50,.15),
    0 4px 16px rgba(0,0,0,.15);
}
#url-input{padding:.95rem 2.8rem .95rem 2.85rem}
#url-input:focus,
input:focus,
textarea:focus,
select:focus{
  border-color:var(--border-strong);
  background:linear-gradient(180deg, rgba(255,255,255,.14), rgba(120,180,255,.08));
  box-shadow:
    0 0 0 4px var(--accent-soft),
    0 0 32px rgba(80,160,255,.15),
    inset 0 1px 0 rgba(255,255,255,.3);
}
#url-input::placeholder,
input::placeholder,
textarea::placeholder{color:var(--text-muted)}

.clear-btn{
  position:absolute;right:.6rem;
  width:36px;height:36px;
  border:none; /* was var(--border) */
  background:linear-gradient(160deg, rgba(255,255,255,.16), rgba(255,255,255,.05));
  backdrop-filter:blur(16px);
  color:var(--text-dim);
  border-radius:50%;
  cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:all .18s;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.25), 0 4px 12px rgba(0,0,0,.2);
}
.clear-btn:hover{
  background:linear-gradient(160deg, rgba(255,255,255,.28), rgba(120,180,255,.15));
  color:#fff;
  box-shadow:0 0 20px rgba(120,190,255,.35), inset 0 1px 0 rgba(255,255,255,.4);
}

#fetch-btn,
.action-btn,
.save-btn{
  position:relative;
  overflow:hidden;
  isolation:isolate;
  flex:0 0 auto;
  flex-grow:0;
  height:auto;
  max-height:60px;
  box-sizing:border-box;
}
#fetch-btn{
  min-height:52px;
  max-height:56px;
  height:52px;
  padding:0 1.45rem;
  background:linear-gradient(135deg, rgba(80,145,255,.88), rgba(30,210,240,.78));
  color:#fff;
  border:none;
  border-radius:var(--radius-sm);
  font-weight:700;
  font-size:.92rem;
  font-family:inherit;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  transition:transform .22s, box-shadow .22s, filter .22s, opacity .2s;
  box-shadow:
    0 12px 36px rgba(50,140,255,.5),
    0 0 40px rgba(60,180,255,.2),
    inset 0 1px 0 rgba(255,255,255,.55),
    inset 0 -14px 28px rgba(0,70,200,.22);
  white-space:nowrap;
  -webkit-tap-highlight-color:transparent;
  backdrop-filter:blur(16px);
  flex:0 0 auto;
  align-self:auto;
}
#fetch-btn::before,
.action-btn::before,
.save-btn::before{
  content:'';
  position:absolute;
  top:0;left:-50%;
  width:45%;height:100%;
  background:linear-gradient(90deg, transparent, rgba(255,255,255,.45), transparent);
  transform:skewX(-22deg);
  transition:left .55s;
  pointer-events:none;
  z-index:1;
}
#fetch-btn:hover::before,
.action-btn:hover::before,
.save-btn:hover::before{left:130%}
#fetch-btn:hover{
  transform:translateY(-2px) scale(1.01);
  box-shadow:0 16px 48px rgba(50,150,255,.6), 0 0 50px rgba(60,200,255,.25), inset 0 1px 0 rgba(255,255,255,.65);
  filter:brightness(1.08);
}
#fetch-btn:active{transform:translateY(0) scale(.98)}
#fetch-btn > *{position:relative;z-index:2}

.platforms{
  display:flex;
  justify-content:center;
  gap:.5rem .75rem;
  margin-top:1rem;
  flex-wrap:wrap;
}
.platforms span{
  font-size:.72rem;
  color:var(--text-muted);
  display:inline-flex;
  align-items:center;
  gap:.3rem;
  padding:.35rem .7rem;
  border-radius:var(--radius-pill);
  background:linear-gradient(160deg, rgba(255,255,255,.1), rgba(255,255,255,.04));
  border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(16px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.18);
}
.platforms i{color:var(--accent-3);opacity:.95;filter:drop-shadow(0 0 6px rgba(120,190,255,.5))}

/* ========== LOADING / ERROR ========== */
.loading{margin-top:2rem;text-align:center;color:var(--text-dim)}
.pulse-loader{display:flex;justify-content:center;gap:9px;margin-bottom:1rem}
.pulse-dot{
  width:11px;height:11px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  border-radius:50%;
  animation:pulse 1.3s infinite ease-in-out;
  box-shadow:0 0 16px rgba(100,190,255,.7), 0 0 32px rgba(40,180,255,.3);
}
.pulse-dot:nth-child(2){animation-delay:.15s}
.pulse-dot:nth-child(3){animation-delay:.3s}
@keyframes pulse{
  0%,80%,100%{transform:scale(.45);opacity:.25}
  40%{transform:scale(1.2);opacity:1}
}

.error-msg{
  margin-top:1.25rem;
  padding:1.05rem 1.15rem;
  background:linear-gradient(145deg, rgba(255,110,110,.16), rgba(255,255,255,.05));
  border:1px solid rgba(255,150,150,.35);
  border-radius:var(--radius-sm);
  color:#ffd0d0;
  font-size:.9rem;
  display:flex;
  align-items:flex-start;
  gap:.65rem;
  line-height:1.45;
  backdrop-filter:blur(22px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.15);
}

/* ========== VIDEO ========== */
#v-result{margin-top:1.4rem;animation:fadeUp .4s ease-out}
.video-preview{
  display:flex;
  gap:1rem;
  margin-bottom:1.25rem;
  padding:1.05rem;
  border-radius:var(--radius-md);
  background:var(--glass-fill);
  border:none; /* was var(--border) */
  backdrop-filter:blur(28px) saturate(180%);
  -webkit-backdrop-filter:blur(28px) saturate(180%);
  box-shadow:var(--shadow-md);
  position:relative;
  overflow:hidden;
}
.video-preview::before{
  content:'';
  position:absolute;
  top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.55),transparent);
}
.thumb-wrapper{
  position:relative;
  width:170px;
  border-radius:var(--radius-sm);
  overflow:hidden;
  flex-shrink:0;
  box-shadow:0 10px 32px rgba(0,0,0,.45), 0 0 0 1px rgba(255,255,255,.15);
}
.thumb-wrapper img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  display:block;
}
.duration-badge{
  position:absolute;bottom:8px;right:8px;
  background:rgba(0,10,30,.55);
  backdrop-filter:blur(14px) saturate(160%);
  color:#fff;
  font-size:.68rem;
  font-weight:700;
  padding:4px 9px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.2);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.15);
}
.video-details h2{
  font-size:1rem;
  font-weight:700;
  line-height:1.4;
  letter-spacing:-.015em;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.uploader{color:var(--text-dim);font-size:.82rem;margin-top:.35rem}

.section-title{
  display:flex;
  align-items:center;
  gap:.55rem;
  font-weight:650;
  font-size:.88rem;
  margin-bottom:.9rem;
  color:var(--text-dim);
}
.section-title i{
  color:var(--accent-3);
  filter:drop-shadow(0 0 10px rgba(120,200,255,.55));
}

.quality-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(118px,1fr));
  gap:.65rem;
}
.quality-card{
  position:relative;
  font:inherit;
  color:var(--text);
  background:linear-gradient(165deg, rgba(255,255,255,.12), rgba(255,255,255,.04));
  border:none; /* was var(--border) */
  border-radius:var(--radius-sm);
  padding:1.05rem .5rem .9rem;
  text-align:center;
  cursor:pointer;
  transition:transform .25s, border-color .25s, background .25s, box-shadow .25s;
  -webkit-tap-highlight-color:transparent;
  backdrop-filter:blur(18px) saturate(160%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.2), 0 4px 16px rgba(0,0,0,.15);
  overflow:hidden;
}
.quality-card::before{
  content:'';
  position:absolute;
  top:0;left:0;right:0;
  height:48%;
  background:linear-gradient(180deg, rgba(255,255,255,.22), transparent);
  pointer-events:none;
}
.quality-card:hover{
  background:linear-gradient(165deg, rgba(120,180,255,.2), rgba(255,255,255,.06));
  border-color:var(--border-strong);
  transform:translateY(-4px) scale(1.02);
  box-shadow:
    0 16px 40px rgba(50,130,255,.28),
    0 0 30px rgba(60,160,255,.12),
    inset 0 1px 0 rgba(255,255,255,.3);
}
.quality-card:active{transform:scale(.98)}
.quality-card.best{
  border-color:rgba(160,210,255,.55);
  background:linear-gradient(175deg, rgba(90,150,255,.28), rgba(255,255,255,.05));
  box-shadow:0 8px 28px rgba(50,130,255,.2), inset 0 1px 0 rgba(255,255,255,.3);
}
.best-badge{
  position:absolute;top:-10px;left:50%;
  transform:translateX(-50%);
  background:linear-gradient(135deg, rgba(80,145,255,.95), rgba(40,220,255,.85));
  color:#fff;
  font-size:.6rem;
  font-weight:800;
  padding:4px 11px;
  border-radius:99px;
  letter-spacing:.05em;
  text-transform:uppercase;
  border:none;
  box-shadow:0 6px 18px rgba(50,140,255,.5), inset 0 1px 0 rgba(255,255,255,.5);
  z-index:2;
}
.q-res{font-size:1.3rem;font-weight:800;margin-bottom:.3rem;letter-spacing:-.025em;position:relative}
.q-meta{display:flex;justify-content:center;gap:.3rem;margin-bottom:.35rem;flex-wrap:wrap;position:relative}
.q-ext,.q-size{
  background:rgba(255,255,255,.1);
  color:var(--text-dim);
  font-size:.65rem;
  font-weight:600;
  padding:3px 7px;
  border-radius:7px;
  border:1px solid rgba(255,255,255,.12);
}
.q-audio{
  font-size:.7rem;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:.25rem;
  font-weight:600;
  position:relative;
}
.q-audio.yes{color:var(--success)}
.q-audio.merge{color:var(--warning)}

/* ========== PROGRESS ========== */
.progress-card{
  background:var(--glass-fill);
  border:none; /* was var(--border) */
  border-radius:var(--radius-md);
  padding:1.3rem;
  backdrop-filter:blur(32px) saturate(180%);
  -webkit-backdrop-filter:blur(32px) saturate(180%);
  box-shadow:var(--shadow-md);
  position:relative;
  overflow:hidden;
}
.progress-card::before{
  content:'';
  position:absolute;
  top:0;left:0;right:0;height:1.5px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.7),rgba(120,210,255,.4),transparent);
}
.progress-card::after{
  content:'';
  position:absolute;
  inset:0;
  background:radial-gradient(ellipse 80% 50% at 50% 0%, rgba(120,180,255,.12), transparent 55%);
  pointer-events:none;
}
.progress-header{display:flex;align-items:center;gap:.9rem;margin-bottom:1.05rem;position:relative;z-index:1}
.progress-icon{
  width:50px;height:50px;
  background:linear-gradient(145deg, rgba(100,160,255,.8), rgba(40,220,255,.55));
  border:none;
  border-radius:18px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.1rem;color:#fff;
  box-shadow:
    0 10px 28px rgba(50,140,255,.5),
    inset 0 1px 0 rgba(255,255,255,.5),
    0 0 24px rgba(60,180,255,.25);
  flex-shrink:0;
  backdrop-filter:blur(10px);
  position:relative;
  overflow:hidden;
}
.progress-icon::before{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(135deg, rgba(255,255,255,.4), transparent 50%);
}
.progress-info{flex:1;display:flex;flex-direction:column;min-width:0}
.progress-status{font-weight:700;font-size:.94rem}
.progress-detail{font-size:.78rem;color:var(--text-muted);margin-top:.12rem}
.progress-number{
  font-size:1.65rem;
  font-weight:800;
  letter-spacing:-.035em;
  background:linear-gradient(120deg,#fff,#9ed8ff,#7dd3fc,#c4b5fd);
  background-size:200% auto;
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  animation:titleFlow 5s ease infinite;
  flex-shrink:0;
}

.progress-track{
  width:100%;
  height:12px;
  background:rgba(255,255,255,.06);
  border-radius:99px;
  overflow:hidden;
  margin-bottom:.9rem;
  border:1px solid rgba(255,255,255,.12);
  box-shadow:inset 0 2px 6px rgba(0,0,0,.3);
  position:relative;
  z-index:1;
}
.progress-fill{
  height:100%;
  background:linear-gradient(90deg, #1e40af, #3b82f6, #22d3ee, #a5f3fc, #818cf8, #3b82f6);
  background-size:300% 100%;
  border-radius:99px;
  transition:width .55s cubic-bezier(.22,1,.36,1);
  position:relative;
  min-width:2%;
  animation:liquidBar 2.4s linear infinite;
  box-shadow:0 0 20px rgba(100,190,255,.7), 0 0 40px rgba(40,180,255,.3);
}
.progress-fill::after{
  content:'';
  position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.65),transparent);
  animation:shimmer 1.5s infinite;
}
.progress-fill::before{
  content:'';
  position:absolute;
  top:0;left:0;right:0;height:45%;
  background:linear-gradient(180deg, rgba(255,255,255,.5), transparent);
  border-radius:inherit;
}
@keyframes liquidBar{
  0%{background-position:0% 50%}
  100%{background-position:300% 50%}
}
@keyframes shimmer{
  0%{transform:translateX(-100%)}
  100%{transform:translateX(100%)}
}
.progress-stats{
  display:flex;
  justify-content:space-between;
  gap:.5rem;
  flex-wrap:wrap;
  position:relative;
  z-index:1;
}
.progress-stats span{
  font-size:.75rem;
  color:var(--text-muted);
  display:inline-flex;
  align-items:center;
  gap:.3rem;
}

/* ========== COMPLETE ========== */
.complete-card{text-align:center;padding:1.5rem .4rem .5rem}

/* Frame extraction */
.frames-preview{margin-top:1rem;border-radius:18px;overflow:hidden;background:rgba(1,8,23,.78);box-shadow:inset 0 0 0 1px rgba(126,190,255,.2)}
.frames-preview video{display:block;width:100%;max-height:390px;object-fit:contain;background:#010713}
.frames-file-info{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.8rem 1rem;color:var(--text)}
.frames-file-info strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.frames-file-info span{flex:none;color:var(--muted);font-size:.82rem}
.frames-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem;margin-top:1rem}
.frames-options label{display:grid;gap:.45rem;color:var(--muted);font-size:.78rem;font-weight:700}
.frames-options input{width:100%;min-height:48px;border:0;border-radius:12px;background:rgba(0,8,25,.68);color:var(--text);padding:.65rem .8rem;font:inherit;box-shadow:inset 0 0 0 1px rgba(121,187,255,.22)}
.frames-options input:focus{outline:none;box-shadow:inset 0 0 0 1px rgba(111,202,255,.72),0 0 24px rgba(57,137,255,.15)}
.frames-estimate{margin-top:.75rem;padding:.75rem .9rem;border-radius:12px;background:rgba(38,105,196,.09);color:var(--muted);font-size:.82rem;box-shadow:inset 0 0 0 1px rgba(113,182,255,.14)}
.frames-estimate i{margin-right:.4rem;color:#72cfff}
.frames-result{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-top:1rem;padding:1rem;border-radius:18px;background:linear-gradient(135deg,rgba(50,135,226,.16),rgba(13,38,91,.2));box-shadow:inset 0 0 0 1px rgba(123,194,255,.27),0 15px 38px rgba(0,0,0,.25)}
.frames-result>div{display:flex;align-items:center;gap:.8rem;min-width:0}
.frames-result>div>i{font-size:1.65rem;color:#77d5ff}
.frames-result span{display:grid;gap:.2rem}.frames-result small{color:var(--muted)}
.frames-result .save-btn{width:auto;flex:none;margin:0;padding:.75rem 1rem}
@media(max-width:640px){.frames-options{grid-template-columns:1fr}.frames-file-info,.frames-result{align-items:stretch;flex-direction:column}.frames-result .save-btn{width:100%}}
.complete-icon{
  font-size:2.9rem;
  color:var(--success);
  margin-bottom:.6rem;
  animation:popIn .55s cubic-bezier(.22,1,.36,1);
  filter:drop-shadow(0 0 28px rgba(74,240,192,.55));
}
.complete-card h3{
  font-size:1.3rem;
  font-weight:800;
  letter-spacing:-.025em;
  margin-bottom:.35rem;
}
.complete-note{
  font-size:.86rem;
  color:var(--text-muted);
  margin-bottom:1.15rem;
}

.save-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  min-height:50px;
  padding:.85rem 1.6rem;
  background:linear-gradient(135deg, rgba(80,145,255,.88), rgba(30,210,240,.78));
  color:#fff;
  text-decoration:none;
  border-radius:var(--radius-sm);
  font-weight:700;
  font-size:.92rem;
  border:none;
  transition:transform .22s, box-shadow .22s, filter .22s;
  box-shadow:
    0 12px 36px rgba(50,140,255,.48),
    inset 0 1px 0 rgba(255,255,255,.5);
  -webkit-tap-highlight-color:transparent;
  backdrop-filter:blur(14px);
}
.save-btn:hover{
  transform:translateY(-2px) scale(1.02);
  box-shadow:0 16px 48px rgba(50,150,255,.58), 0 0 40px rgba(60,200,255,.2), inset 0 1px 0 rgba(255,255,255,.6);
  filter:brightness(1.06);
}
.save-btn:active{transform:scale(.98)}
.save-btn > *{position:relative;z-index:2}

.new-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.4rem;
  margin:1.05rem auto 0;
  min-height:46px;
  padding:.68rem 1.3rem;
  background:linear-gradient(160deg, rgba(255,255,255,.1), rgba(255,255,255,.04));
  color:var(--text-dim);
  border:none; /* was var(--border) */
  border-radius:var(--radius-sm);
  font-size:.86rem;
  font-weight:600;
  cursor:pointer;
  transition:all .22s;
  font-family:inherit;
  backdrop-filter:blur(18px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.18);
  -webkit-tap-highlight-color:transparent;
}
.new-btn:hover{
  color:var(--text);
  border-color:var(--border-hover);
  background:linear-gradient(160deg, rgba(120,180,255,.18), rgba(255,255,255,.06));
  box-shadow:0 6px 24px rgba(50,130,255,.2), inset 0 1px 0 rgba(255,255,255,.25);
}

/* ========== UPLOAD ========== */
.upload-area{
  border:1.5px dashed rgba(160,200,255,.35);
  border-radius:var(--radius-md);
  padding:clamp(2.5rem,6.5vw,3.6rem) 1.2rem;
  text-align:center;
  cursor:pointer;
  transition:border-color .28s, background .28s, transform .22s, box-shadow .28s;
  background:linear-gradient(165deg, rgba(255,255,255,.08), rgba(255,255,255,.025));
  backdrop-filter:blur(26px) saturate(170%);
  -webkit-backdrop-filter:blur(26px) saturate(170%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.18), inset 0 -20px 40px rgba(40,100,200,.05);
  -webkit-tap-highlight-color:transparent;
  position:relative;
  overflow:hidden;
}
.upload-area::before{
  content:'';
  position:absolute;
  inset:0;
  background:
    radial-gradient(ellipse 70% 55% at 50% -5%, rgba(140,200,255,.18), transparent 55%),
    linear-gradient(125deg, rgba(255,255,255,.12) 0%, transparent 30%);
  pointer-events:none;
  animation:glassBreathe 6s ease-in-out infinite;
}
.upload-area:hover,
.upload-area.drag-over{
  border-color:rgba(160,220,255,.75);
  border-style:solid;
  background:linear-gradient(165deg, rgba(100,170,255,.18), rgba(255,255,255,.06));
  box-shadow:
    0 0 0 5px rgba(90,160,255,.14),
    0 16px 48px rgba(50,140,255,.22),
    0 0 60px rgba(60,180,255,.12),
    inset 0 1px 0 rgba(255,255,255,.3);
  transform:translateY(-2px);
}
.upload-content{position:relative;z-index:1}
.upload-content i{
  font-size:2.65rem;
  color:var(--accent-3);
  margin-bottom:.9rem;
  display:block;
  filter:drop-shadow(0 0 24px rgba(120,200,255,.7));
  animation:iconFloat 3.5s ease-in-out infinite;
}
@keyframes iconFloat{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-6px)}
}
.upload-content p{
  font-size:1.06rem;
  font-weight:700;
  margin-bottom:.3rem;
  letter-spacing:-.012em;
}
.upload-content span{
  font-size:.8rem;
  color:var(--text-muted);
}

/* ========== PREVIEW ========== */
.preview-section{
  display:flex;
  align-items:center;
  gap:1rem;
  margin-bottom:1.4rem;
  padding:1.05rem;
  background:linear-gradient(160deg, rgba(255,255,255,.1), rgba(255,255,255,.04));
  border:none; /* was var(--border) */
  border-radius:var(--radius-sm);
  backdrop-filter:blur(22px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.18), var(--shadow-md);
}
.preview-img-wrapper{
  width:86px;height:86px;
  border-radius:16px;
  overflow:hidden;
  flex-shrink:0;
  background:rgba(0,0,0,.25);
  border:none; /* was var(--border) */
  box-shadow:0 6px 20px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.1);
}
.preview-img-wrapper img{width:100%;height:100%;object-fit:cover}
.img-info{display:flex;flex-direction:column;gap:.28rem;min-width:0}
.img-name{
  font-weight:700;
  font-size:.92rem;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.img-dims{font-size:.8rem;color:var(--text-dim)}

/* ========== SCALES & ACTIONS ========== */
.scale-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:.6rem;
  margin-bottom:1.4rem;
}
.scale-btn{
  background:linear-gradient(165deg, rgba(255,255,255,.1), rgba(255,255,255,.035));
  border:none;
  border-radius:var(--radius-sm);
  padding:1.05rem .45rem;
  text-align:center;
  cursor:pointer;
  transition:all .25s;
  color:var(--text);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:.3rem;
  font-family:inherit;
  min-height:82px;
  -webkit-tap-highlight-color:transparent;
  backdrop-filter:blur(18px) saturate(160%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.18);
  position:relative;
  overflow:hidden;
}
.scale-btn::before{
  content:'';
  position:absolute;
  top:0;left:0;right:0;height:50%;
  background:linear-gradient(180deg, rgba(255,255,255,.18), transparent);
  pointer-events:none;
}
.scale-btn:hover{
  border-color:var(--border-strong);
  background:linear-gradient(165deg, rgba(120,180,255,.18), rgba(255,255,255,.05));
  transform:translateY(-3px);
  box-shadow:0 12px 32px rgba(50,130,255,.2), inset 0 1px 0 rgba(255,255,255,.25);
}
.scale-btn.active{
  border-color:rgba(180,220,255,.6);
  background:linear-gradient(170deg, rgba(90,150,255,.32), rgba(255,255,255,.06));
  box-shadow:
    0 0 0 3px rgba(90,160,255,.16),
    0 12px 36px rgba(50,140,255,.25),
    0 0 40px rgba(60,180,255,.1),
    inset 0 1px 0 rgba(255,255,255,.35);
}
.scale-value{
  font-size:1.48rem;
  font-weight:800;
  letter-spacing:-.03em;
  background:linear-gradient(120deg,#fff,#b8e0ff,#7dd3fc,#c4b5fd);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  position:relative;
}
.scale-label{font-size:.7rem;color:var(--text-muted);font-weight:600;position:relative}

.action-btn{
  width:100%;
  min-height:52px;
  max-height:56px;
  height:52px;
  padding:0 1.05rem;
  background:linear-gradient(135deg, rgba(80,145,255,.88), rgba(30,210,240,.78));
  color:#fff;
  border:none;
  border-radius:var(--radius-sm);
  font-size:1rem;
  font-weight:750;
  font-family:inherit;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:.55rem;
  transition:transform .22s, box-shadow .22s, filter .22s, opacity .2s;
  box-shadow:
    0 14px 40px rgba(50,140,255,.48),
    0 0 40px rgba(60,180,255,.15),
    inset 0 1px 0 rgba(255,255,255,.5),
    inset 0 -14px 30px rgba(0,70,200,.2);
  -webkit-tap-highlight-color:transparent;
  touch-action:manipulation;
  backdrop-filter:blur(14px);
  flex:0 0 auto;
  box-sizing:border-box;
}
#fetch-btn.is-loading,
.action-btn.is-loading{
  opacity:.75;
  pointer-events:none;
}
.action-btn:hover{
  transform:translateY(-2px) scale(1.01);
  box-shadow:0 18px 52px rgba(50,150,255,.58), 0 0 50px rgba(60,200,255,.22), inset 0 1px 0 rgba(255,255,255,.6);
  filter:brightness(1.07);
}
.action-btn:active{transform:scale(.985)}
.action-btn > *{position:relative;z-index:2}

.accent-orange,
.accent-purple,
.accent-green{
  background:linear-gradient(135deg, rgba(80,145,255,.88), rgba(30,210,240,.78));
  box-shadow:0 14px 40px rgba(50,140,255,.48), inset 0 1px 0 rgba(255,255,255,.5);
}
.action-btn.accent-orange:hover,
.action-btn.accent-purple:hover,
.action-btn.accent-green:hover{
  box-shadow:0 18px 52px rgba(50,150,255,.58), inset 0 1px 0 rgba(255,255,255,.6);
}

.progress-icon.accent-orange,
.progress-icon.accent-purple,
.progress-icon.accent-green{
  background:linear-gradient(145deg, rgba(100,160,255,.8), rgba(40,220,255,.55));
}

.fill-orange,
.fill-purple,
.fill-green{
  background:linear-gradient(90deg, #1e40af, #3b82f6, #22d3ee, #a5f3fc, #818cf8, #3b82f6);
  background-size:300% 100%;
  animation:liquidBar 2.4s linear infinite;
}

/* ========== AUDIO STEMS ========== */
.stem-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:1rem;
  margin:1.25rem 0;
  text-align:left;
}
.stem-card{
  background:var(--glass-fill);
  border:none; /* was var(--border) */
  border-radius:var(--radius-md);
  padding:1.1rem;
  display:flex;
  flex-direction:column;
  gap:.85rem;
  backdrop-filter:blur(30px) saturate(180%);
  -webkit-backdrop-filter:blur(30px) saturate(180%);
  box-shadow:var(--shadow-md);
  position:relative;
  overflow:hidden;
}
.stem-card::before{
  content:'';
  position:absolute;
  top:0;left:0;right:0;height:1.5px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.6),transparent);
}
.stem-card::after{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(145deg, rgba(255,255,255,.12) 0%, transparent 35%);
  pointer-events:none;
}
.stem-header{display:flex;align-items:center;gap:.8rem;position:relative;z-index:1}
.stem-header>i{
  width:46px;height:46px;
  border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(145deg, rgba(100,160,255,.8), rgba(40,220,255,.5));
  border:none;
  color:#fff;
  font-size:1.05rem;
  flex-shrink:0;
  box-shadow:0 8px 24px rgba(50,140,255,.45), inset 0 1px 0 rgba(255,255,255,.45);
}
.stem-header strong{display:block;font-size:.96rem;font-weight:750;letter-spacing:-.01em}
.stem-header span{display:block;font-size:.74rem;color:var(--text-muted);font-weight:500}
.stem-card audio{
  width:100%;
  height:44px;
  border-radius:14px;
  outline:none;
  accent-color:var(--accent);
  position:relative;
  z-index:1;
}
.stem-dl{
  width:100%;
  justify-content:center;
  padding:.75rem 1rem;
  font-size:.88rem;
  box-sizing:border-box;
  z-index:1;
}

/* ========== COMPARE ========== */
.compare-section{
  display:flex;
  align-items:center;
  gap:.6rem;
  margin:1.25rem 0;
  justify-content:center;
}
.compare-item{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:.4rem;
  flex:1;
  min-width:0;
}
.compare-label{
  font-size:.72rem;
  font-weight:700;
  color:var(--text-muted);
  text-transform:uppercase;
  letter-spacing:.06em;
}
.compare-label.highlight{color:var(--accent-3)}
.compare-item img{
  width:100%;
  max-width:220px;
  border-radius:16px;
  border:none; /* was var(--border) */
  box-shadow:0 10px 32px rgba(0,0,0,.4), inset 0 1px 0 rgba(255,255,255,.12);
}
.compare-dims{font-size:.7rem;color:var(--text-muted)}
.compare-arrow{
  color:var(--accent-3);
  font-size:1.2rem;
  flex-shrink:0;
  padding:0 .25rem;
  filter:drop-shadow(0 0 12px rgba(120,200,255,.55));
}

/* ========== FOOTER ========== */
footer{
  text-align:center;
  padding:1rem 0 .5rem;
  color:var(--text-muted);
  font-size:.72rem;
  font-weight:500;
  letter-spacing:.02em;
  text-shadow:0 1px 8px rgba(0,0,0,.4);
}
footer a{
  color:var(--accent-3);
  text-decoration:none;
  border-bottom:1px solid rgba(125,211,252,.35);
  transition:color .15s, border-color .15s, text-shadow .15s;
}
footer a:hover{
  color:#fff;
  border-color:rgba(255,255,255,.5);
  text-shadow:0 0 12px rgba(120,200,255,.5);
}

/* ========== UTILS ========== */
.hidden{display:none!important}

@keyframes fadeUp{
  from{opacity:0;transform:translateY(22px) scale(.96)}
  to{opacity:1;transform:translateY(0) scale(1)}
}
@keyframes fadeDown{
  from{opacity:0;transform:translateY(-16px) scale(.98)}
  to{opacity:1;transform:translateY(0) scale(1)}
}
@keyframes popIn{
  0%{transform:scale(.4);opacity:0}
  70%{transform:scale(1.12)}
  100%{transform:scale(1);opacity:1}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms!important;
    animation-iteration-count:1!important;
    transition-duration:.01ms!important;
  }
  .liquid-stage::after,
  .blob,
  .caustic,
  .main-card::after{animation:none!important}
}

@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .main-card,
  .tab-bar,
  .progress-card,
  .stem-card,
  .upload-area,
  .video-preview,
  .quality-card,
  .scale-btn,
  .app-header{
    background:rgba(8,18,36,.94);
  }
}

/* ========== RESPONSIVE ========== */
@media(max-width:768px){
  .app-wrapper{padding:.3rem 0 .8rem;gap:.85rem}
  .quality-grid{grid-template-columns:repeat(auto-fill,minmax(104px,1fr))}
  :root{--blur:36px;--blur-strong:48px}
}

@media(max-width:560px){
  html{font-size:15.5px}
  body{padding-left:.7rem;padding-right:.7rem}
  :root{
    --radius:26px;
    --blur:32px;
    --blur-strong:42px;
    --saturate:190%;
  }

  .app-header{padding:.95rem .7rem .55rem;border-radius:20px}
  .logo-icon{width:48px;height:48px;border-radius:16px}
  .tagline{font-size:.84rem}

  .tab-bar{
    border-radius:22px;
    width:max-content;
    min-width:100%;
  }
  .tab-btn{
    padding:.7rem .92rem;
    font-size:.78rem;
    min-height:46px;
  }

  .main-card{
    padding:1.15rem;
    border-radius:26px;
  }

  .search-section{flex-direction:column}
  #fetch-btn{justify-content:center;width:100%}

  .video-preview{flex-direction:column;padding:.95rem}
  .thumb-wrapper{width:100%}

  .quality-grid{grid-template-columns:repeat(3,1fr);gap:.5rem}
  .quality-card{padding:.75rem .35rem .7rem}
  .q-res{font-size:1.12rem}

  .progress-stats{flex-direction:column;align-items:flex-start;gap:.3rem}

  .blob-1{width:280px;height:280px;opacity:.5}
  .blob-2{width:240px;height:240px;opacity:.4}
  .blob-3{width:180px;height:180px;opacity:.3}
  .blob-4,.blob-5{opacity:.25}

  .compare-section{flex-direction:column;gap:.8rem}
  .compare-arrow{transform:rotate(90deg)}
  .compare-item img{max-width:100%}

  .stem-grid{grid-template-columns:1fr}
  .scale-grid{gap:.5rem}

  /* Lighter animations on mobile for perf */
  .main-card::after{animation-duration:10s}
  .liquid-stage::after{animation-duration:60s;opacity:.45}
}

@media(max-width:380px){
  html{font-size:14.5px}
  .quality-grid{grid-template-columns:repeat(2,1fr)}
  .scale-btn{padding:.85rem .3rem;min-height:74px}
  .scale-value{font-size:1.28rem}
}

@media(min-width:900px){
  .app-wrapper{max-width:900px;padding:1.1rem 0 1.6rem}
  .main-card{padding:2rem}
  :root{--blur:56px;--blur-strong:72px;--saturate:230%}
}

@media(hover:none) and (pointer:coarse){
  .tab-btn,.action-btn,.save-btn,.quality-card,.scale-btn,.upload-area{
    -webkit-tap-highlight-color:transparent;
  }
  .quality-card:hover,.scale-btn:hover{transform:none}
}

/* =========================================================
   CRITICAL MOBILE NAV — always load with base CSS
   (menu must never disappear if fx.css is cached/missing)
   ========================================================= */
.header-row{
  display:flex;
  align-items:center;
  gap:.65rem;
  width:100%;
  position:relative;
  z-index:2;
}
.hamburger{
  display:none;
  width:48px;
  height:48px;
  flex-shrink:0;
  border:none;
  border-radius:16px;
  background:linear-gradient(160deg, rgba(255,255,255,.22), rgba(80,140,255,.18));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35), 0 6px 18px rgba(0,0,0,.3);
  cursor:pointer;
  padding:0;
  position:relative;
  z-index:20;
  -webkit-tap-highlight-color:transparent;
}
.hamburger span{
  display:block;
  position:absolute;
  left:13px;right:13px;
  height:2.5px;
  border-radius:2px;
  background:#e8f4ff;
  box-shadow:0 0 8px rgba(120,200,255,.6);
  transition:transform .25s, opacity .2s, top .25s;
}
.hamburger span:nth-child(1){top:16px}
.hamburger span:nth-child(2){top:23px}
.hamburger span:nth-child(3){top:30px}
.hamburger.open span:nth-child(1){top:23px;transform:rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){top:23px;transform:rotate(-45deg)}

.current-tool-chip{
  display:none;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  margin-top:.7rem;
  padding:.55rem .9rem;
  border-radius:999px;
  background:linear-gradient(135deg, rgba(90,150,255,.35), rgba(40,200,255,.18));
  border:none;
  font-size:.84rem;
  font-weight:700;
  color:#eaf4ff;
  position:relative;
  z-index:2;
  box-sizing:border-box;
}
.current-tool-chip i{color:#9ed8ff}

.nav-overlay{
  position:fixed;inset:0;z-index:200;
  background:rgba(0,4,16,.55);
  opacity:0;visibility:hidden;
  transition:opacity .3s,visibility .3s;
}
.nav-overlay.open{opacity:1;visibility:visible}

.nav-drawer{
  position:fixed;top:0;left:0;bottom:0;
  width:min(86vw,320px);z-index:210;
  display:flex;flex-direction:column;
  padding:max(1rem,env(safe-area-inset-top,0px)) 1rem max(1rem,env(safe-area-inset-bottom,0px));
  background:linear-gradient(165deg, rgba(30,50,90,.96), rgba(8,16,36,.98));
  border-right:1px solid rgba(255,255,255,.18);
  box-shadow:20px 0 60px rgba(0,0,0,.5);
  transform:translateX(-105%);
  transition:transform .35s cubic-bezier(.22,1,.36,1);
  overflow:auto;
  -webkit-overflow-scrolling:touch;
}
.nav-drawer.open{transform:translateX(0)}
.nav-drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:1rem;padding-bottom:.85rem;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.nav-drawer-brand{display:flex;align-items:center;gap:.65rem}
.nav-drawer-brand strong{display:block;font-size:1.05rem;font-weight:800;color:#fff}
.nav-drawer-brand span{display:block;font-size:.72rem;color:rgba(180,210,240,.7)}
.nav-close{
  width:40px;height:40px;border-radius:14px;border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.1);color:#fff;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.nav-drawer-list{display:flex;flex-direction:column;gap:.4rem;flex:1}
.nav-item{
  display:flex;align-items:center;gap:.85rem;width:100%;min-height:52px;
  padding:.75rem 1rem;border:1px solid rgba(255,255,255,.12);border-radius:16px;
  background:rgba(255,255,255,.06);color:#e8f2ff;font:inherit;font-size:.92rem;font-weight:650;
  text-align:left;cursor:pointer;-webkit-tap-highlight-color:transparent;
}
.nav-item i{
  width:36px;height:36px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.1);color:#9ed8ff;flex-shrink:0;
}
.nav-item.active{
  background:linear-gradient(135deg, rgba(90,150,255,.45), rgba(40,200,255,.25));
  border-color:rgba(255,255,255,.35);color:#fff;
}
.nav-item.active i{background:rgba(100,160,255,.5);color:#fff}
.nav-admin{
  display:flex;align-items:center;justify-content:center;gap:.5rem;margin-top:1rem;
  padding:.8rem;border-radius:14px;border:1px solid rgba(255,255,255,.12);
  color:rgba(200,220,255,.8);text-decoration:none;font-size:.85rem;font-weight:600;
}
body.nav-open{overflow:hidden}

@media (max-width:899px){
  .hamburger{
    display:block!important;
    visibility:visible!important;
    opacity:1!important;
  }
  .current-tool-chip{display:inline-flex!important;width:100%}
  .desktop-tabs,
  .tab-bar-scroll.desktop-tabs,
  #tab-scroll{display:none!important}
  .header-spacer{display:none!important}
  .app-header{overflow:visible!important;text-align:left}
  .header-row{justify-content:flex-start}
  .logo{
    justify-content:flex-start!important;
    flex:1;
    min-width:0;
    margin-bottom:0!important;
  }
  .logo-text{text-align:left}
  .logo-text .tagline{text-align:left;font-size:.7rem}
  .logo h1{text-align:left}
}

@media (min-width:900px){
  .hamburger,
  .current-tool-chip,
  .nav-drawer,
  .nav-overlay{display:none!important}
  .desktop-tabs{display:block!important}
}

/* ===== Corner + glass polish (final) ===== */
.current-tool-chip,
.hamburger,
.platforms span,
.quality-card,
.scale-btn,
.progress-card,
.upload-area,
.preview-section,
.stem-card,
.new-btn,
.clear-btn,
.nav-item,
.nav-close{
  border:none!important;
  overflow:hidden;
  isolation:isolate;
  background-clip:padding-box;
  -webkit-backface-visibility:hidden;
  backface-visibility:hidden;
}
.current-tool-chip{
  box-shadow:
    inset 0 0 0 1px rgba(180,210,255,.28),
    inset 0 1px 0 rgba(255,255,255,.22),
    0 6px 20px rgba(40,120,255,.22)!important;
}
.hamburger{
  box-shadow:
    inset 0 0 0 1px rgba(200,230,255,.3),
    inset 0 1px 0 rgba(255,255,255,.3),
    0 6px 18px rgba(0,0,0,.3)!important;
}
.platforms span{
  box-shadow:
    inset 0 0 0 1px rgba(170,210,255,.2),
    inset 0 1px 0 rgba(255,255,255,.12)!important;
}
.quality-card,.scale-btn{
  box-shadow:
    inset 0 0 0 1px rgba(170,210,255,.2),
    inset 0 1px 0 rgba(255,255,255,.14),
    0 4px 16px rgba(0,0,0,.15)!important;
}
.quality-card.best,.scale-btn.active{
  box-shadow:
    inset 0 0 0 1px rgba(200,230,255,.35),
    inset 0 1px 0 rgba(255,255,255,.25),
    0 8px 24px rgba(50,130,255,.22)!important;
}
.upload-area{
  border:1.5px dashed rgba(160,200,255,.35)!important;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.12),
    0 8px 28px rgba(0,0,0,.15)!important;
}
/* Keep pseudo highlights inside radius */
.main-card::before,.main-card::after,
.tab-bar::before,.tab-bar::after,
.app-header::before,.app-header::after,
.progress-card::before,.stem-card::before{
  border-radius:inherit;
}

/* Toolbar final: no outer white ring */
.tab-bar,
.desktop-tabs .tab-bar,
.tab-bar-scroll .tab-bar{
  border:0!important;
  outline:0!important;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.1),
    0 12px 36px rgba(0,0,0,.32)!important;
}
.tab-btn{border:0!important}
.tab-btn.active{
  border:0!important;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.35),
    0 6px 18px rgba(50,140,255,.38)!important;
}

/* Tab bar: zero blue fringe */
.tab-bar,
.desktop-tabs .tab-bar,
.tab-bar-scroll .tab-bar{
  border:0!important;
  outline:0!important;
  box-shadow:0 12px 32px rgba(0,0,0,.42)!important;
  background:linear-gradient(180deg, rgba(16,28,52,.9), rgba(8,16,32,.94))!important;
}
.tab-bar::before,
.tab-bar::after{display:none!important;content:none!important}
.tab-btn,.tab-btn:hover{border:0!important;box-shadow:none!important}
.tab-btn.active{
  border:0!important;
  box-shadow:0 4px 12px rgba(0,0,0,.28)!important;
}

/* Mobile: reduce blob thrashing */
@media (max-width:899px){
  .blob{animation:none!important}
  .liquid-stage::after{animation:none!important}
  .main-card{animation:fadeUp .4s ease both!important}
  .app-header{animation:fadeDown .4s ease both!important}
}

/* Force: tab bar has ZERO outer shadow/ring */
.tab-bar,
.desktop-tabs .tab-bar,
.tab-bar-scroll .tab-bar,
.tab-bar *{
  /* children keep own styles; bar itself: */
}

/* Security/account states added by the production hardening layer. */
.account-summary{
  display:flex;
  width:100%;
  align-items:center;
  gap:.9rem;
  padding:.72rem .85rem;
  color:#dcecff;
  border:1px solid rgba(124,188,255,.16);
  border-radius:17px;
  background:linear-gradient(135deg,rgba(23,58,109,.48),rgba(5,21,49,.58));
  box-shadow:inset 0 1px rgba(255,255,255,.1),0 10px 30px rgba(0,12,38,.2);
}
.account-summary.is-limited{
  color:#f1d9aa;
  border-color:rgba(239,188,97,.18);
  background:linear-gradient(135deg,rgba(115,74,18,.22),rgba(30,23,18,.48));
}
.account-summary-user{
  display:flex;
  min-width:0;
  align-items:center;
  gap:.62rem;
}
.account-summary-user>i{color:#69ccff;flex-shrink:0}
.account-summary.is-limited .account-summary-user>i{color:#f0c16b}
.account-summary-user>span{display:flex;min-width:0;flex-direction:column}
.account-summary-user strong{
  overflow:hidden;
  font-size:.76rem;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.account-summary-user small{color:rgba(184,207,235,.68);font-size:.64rem}
.account-summary.is-limited .account-summary-user small{color:rgba(224,202,160,.7)}
.account-quota{
  display:flex;
  min-width:0;
  align-items:center;
  gap:.45rem;
  margin-left:auto;
}
.account-quota span{
  display:inline-flex;
  min-height:30px;
  align-items:center;
  gap:.38rem;
  padding:.35rem .55rem;
  color:rgba(204,224,247,.78);
  border:1px solid rgba(126,188,255,.13);
  border-radius:999px;
  background:rgba(3,16,39,.35);
  font-size:.63rem;
  white-space:nowrap;
}
.account-quota i{color:#78cfff}
.account-quota b{color:#eff7ff}
.account-summary>a{
  flex-shrink:0;
  padding:.38rem .62rem;
  color:#91d5ff;
  border-radius:999px;
  background:rgba(74,139,220,.1);
  box-shadow:inset 0 0 0 1px rgba(130,190,255,.14);
  font-size:.64rem;
  font-weight:800;
  text-decoration:none;
}
.account-pill.is-limited i{color:#efbd65}
body.liquid-body .auth-banner.is-pending{
  color:#efd9ae;
  border-color:rgba(239,188,97,.2);
  background:linear-gradient(135deg,rgba(119,78,20,.25),rgba(36,25,18,.5));
}
.app-api-state{
  display:flex;
  width:100%;
  align-items:flex-start;
  gap:.65rem;
  padding:.72rem .85rem;
  color:#d9eaff;
  border:1px solid rgba(121,187,255,.18);
  border-radius:15px;
  background:rgba(12,38,78,.62);
  box-shadow:inset 0 1px rgba(255,255,255,.08);
  font-size:.74rem;
  line-height:1.45;
}
.app-api-state i{margin-top:.14rem;color:#78cfff;flex-shrink:0}
.app-api-state>span{display:flex;min-width:0;flex:1;flex-direction:column}
.app-api-state strong{font-size:.75rem}
.app-api-state small{color:rgba(190,211,238,.68);font-size:.64rem;overflow-wrap:anywhere}
.app-api-state a{
  flex-shrink:0;color:#a5dcff;font-size:.68rem;font-weight:800;text-decoration:none;
}
.app-api-state.state-auth,.app-api-state.state-permission{
  color:#f1dcb6;border-color:rgba(240,190,103,.2);background:rgba(100,66,20,.28);
}
.app-api-state.state-auth i,.app-api-state.state-permission i{color:#f1c36f}
.app-api-state.state-rate-limit,.app-api-state.state-capacity{
  color:#ffd4dc;border-color:rgba(255,112,137,.2);background:rgba(113,29,48,.27);
}
.app-api-state.state-rate-limit i,.app-api-state.state-capacity i{color:#ff899c}
.app-api-state.state-queued{
  color:#d9eaff;border-color:rgba(111,181,255,.2);background:rgba(31,79,143,.28);
}
.progress-card.is-queued{
  box-shadow:inset 0 0 0 1px rgba(109,180,255,.26),0 18px 48px rgba(0,0,0,.35)!important;
}
.progress-card.is-queued .progress-fill{
  width:8%!important;
  background:linear-gradient(90deg,#587cff,#65cfff,#587cff)!important;
  background-size:200% 100%!important;
  animation:queueShimmer 1.6s linear infinite!important;
}
.progress-card.is-queued .progress-icon{color:#8dcfff}
@keyframes queueShimmer{to{background-position:-200% 0}}

@media(max-width:899px){
  .account-summary{
    align-items:stretch;
    flex-wrap:wrap;
    gap:.6rem;
    padding:.68rem .72rem;
    border-radius:15px;
  }
  .account-summary-user{flex:1 1 190px}
  .account-quota{order:3;width:100%;margin-left:0}
  .account-quota span{flex:1;justify-content:center;white-space:normal;text-align:center}
  .account-summary>a{align-self:center}
  .app-api-state{align-items:center}
}
@media(max-width:480px){
  .account-summary>a{display:none}
  .account-summary-user small{white-space:normal}
  .account-quota{display:grid;grid-template-columns:1fr 1fr}
  .app-api-state{flex-wrap:wrap}
  .app-api-state a{width:100%;padding-left:1.7rem}
}
@media(prefers-reduced-motion:reduce){
  .progress-card.is-queued .progress-fill{animation:none!important}
}
.tab-bar,
.desktop-tabs .tab-bar,
.tab-bar-scroll .tab-bar{
  box-shadow:none!important;
  filter:none!important;
  border:0!important;
  outline:0!important;
}
.tab-btn.active{box-shadow:none!important}

/* ===== Video info enhanced ===== */
.platform-badge{
  display:inline-flex;align-items:center;gap:.4rem;flex-wrap:wrap;
  font-size:.78rem;font-weight:700;color:var(--text-dim);
  margin-bottom:.4rem;padding:.3rem .65rem;border-radius:999px;
  background:rgba(255,255,255,.06);
  box-shadow:inset 0 0 0 1px rgba(160,200,255,.18);
}
.platform-badge i{font-size:.95rem}
.platform-sep{opacity:.45;margin:0 .1rem}
.video-meta-row{
  display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.55rem;
}
.meta-chip{
  display:inline-flex;align-items:center;gap:.35rem;
  font-size:.72rem;font-weight:600;color:var(--text-dim);
  padding:.28rem .55rem;border-radius:999px;
  background:rgba(255,255,255,.05);
  box-shadow:inset 0 0 0 1px rgba(160,200,255,.14);
}
.meta-chip i{font-size:.7rem;color:#9ed8ff}
.dl-extra-list{
  display:flex;flex-direction:column;gap:.5rem;
}
.dl-extra-btn{
  display:flex;align-items:center;gap:.75rem;width:100%;
  min-height:48px;padding:.7rem 1rem;text-align:left;
  border:none;border-radius:14px;cursor:pointer;font:inherit;
  color:var(--text);font-weight:650;font-size:.9rem;
  background:linear-gradient(160deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
  box-shadow:inset 0 0 0 1px rgba(160,200,255,.18), 0 4px 16px rgba(0,0,0,.15);
  transition:transform .2s, box-shadow .2s, background .2s;
  -webkit-tap-highlight-color:transparent;
}
.dl-extra-btn i{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(145deg, rgba(80,140,255,.45), rgba(40,200,255,.3));
  color:#fff;font-size:.9rem;
}
.dl-extra-btn span{flex:1}
.dl-extra-btn em{font-style:normal;font-size:.75rem;color:var(--text-muted);font-weight:600}
.dl-extra-btn:hover{
  background:linear-gradient(160deg, rgba(90,150,255,.18), rgba(255,255,255,.05));
  transform:translateY(-1px);
}
.dl-extra-btn:active{transform:scale(.98)}
.platforms span.plat-active{
  background:linear-gradient(135deg, rgba(90,150,255,.35), rgba(40,200,255,.2))!important;
  color:#fff!important;
  box-shadow:inset 0 0 0 1px rgba(200,230,255,.35), 0 4px 14px rgba(40,120,255,.25)!important;
}
.platforms span.plat-active i{color:#fff!important}
@media(max-width:560px){
  .video-preview{flex-direction:column}
  .platform-badge{font-size:.74rem}
}

/* =========================================================
   GROK CHAT — liquid glass conversation UI
   ========================================================= */
.chat-card{
  display:flex!important;
  flex-direction:column;
  padding:0!important;
  min-height:min(78dvh,820px);
  max-height:min(86dvh,900px);
  overflow:hidden;
}
.chat-card.hidden{display:none!important}
.chat-shell{
  display:flex;flex-direction:column;
  flex:1;min-height:0;position:relative;z-index:2;
}
.chat-topbar{
  display:flex;align-items:center;justify-content:space-between;gap:.75rem;
  padding:.85rem 1.1rem .7rem;
  border-bottom:1px solid rgba(160,200,255,.12);
  background:linear-gradient(180deg, rgba(255,255,255,.06), transparent);
  flex-shrink:0;
}
.chat-brand{display:flex;align-items:center;gap:.7rem}
.chat-brand-icon{
  width:40px;height:40px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(145deg, rgba(90,160,255,.55), rgba(40,220,255,.35));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35), 0 8px 20px rgba(40,120,255,.3);
  color:#fff;font-size:1rem;
}
.chat-brand strong{display:block;font-size:.95rem;font-weight:750;letter-spacing:-.01em}
.chat-brand em{
  display:block;font-style:normal;font-size:.72rem;font-weight:600;
  color:var(--text-muted);margin-top:.1rem;
}
.chat-brand em.ok{color:var(--success)}
.chat-brand em.bad{color:var(--warning)}
.chat-top-actions{display:flex;align-items:center;gap:.45rem;flex-wrap:wrap;justify-content:flex-end}
.chat-model-select{
  min-height:38px;max-width:min(200px,42vw);
  padding:.35rem .7rem;border-radius:12px;border:none;font:inherit;font-size:.78rem;font-weight:650;
  color:var(--text);background:rgba(0,0,0,.35);
  box-shadow:inset 0 0 0 1px rgba(160,200,255,.2);
  cursor:pointer;
}
.chat-icon-btn{
  width:38px;height:38px;border-radius:12px;border:none;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--text);background:rgba(255,255,255,.06);
  box-shadow:inset 0 0 0 1px rgba(160,200,255,.2);
  transition:background .2s, transform .15s;
}
.chat-icon-btn:hover{background:rgba(90,160,255,.2);transform:translateY(-1px)}
.chat-icon-btn:active{transform:scale(.96)}

.chat-settings{
  padding:.75rem 1.1rem;
  background:rgba(0,20,40,.35);
  border-bottom:1px solid rgba(160,200,255,.1);
  flex-shrink:0;
}
.chat-settings-inner p{
  font-size:.8rem;color:var(--text-dim);margin-bottom:.55rem;line-height:1.45;
}
.chat-settings-inner code{
  font-size:.75rem;padding:.1rem .35rem;border-radius:6px;
  background:rgba(0,0,0,.35);color:#9ed8ff;
}
.chat-key-row{display:flex;gap:.45rem;flex-wrap:wrap}
.chat-key-row input{
  flex:1;min-width:160px;min-height:44px;padding:.55rem .85rem;
  border-radius:12px;border:none;font:inherit;font-size:.9rem;
  color:var(--text);background:rgba(0,0,0,.4);
  box-shadow:inset 0 0 0 1px rgba(160,200,255,.22);
}
.chat-save-key{height:44px!important;min-height:44px!important;padding:0 1rem!important;font-size:.85rem!important}
.chat-key-hint{margin:.5rem 0 0!important;font-size:.72rem!important;color:var(--text-muted)!important}

.chat-messages{
  flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;
  padding:1rem 1.1rem 1.25rem;
  scroll-behavior:smooth;
  -webkit-overflow-scrolling:touch;
}
.chat-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;min-height:min(48dvh,420px);padding:1.5rem 1rem;
  animation:fadeUp .45s ease both;
}
.chat-empty.hidden{display:none}
.chat-empty-icon{
  width:72px;height:72px;border-radius:24px;margin-bottom:1.1rem;
  display:flex;align-items:center;justify-content:center;font-size:1.6rem;color:#fff;
  background:linear-gradient(145deg, rgba(90,160,255,.5), rgba(0,220,255,.28));
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.4),
    0 16px 40px rgba(40,120,255,.35),
    0 0 60px rgba(60,160,255,.2);
}
.chat-empty h2{
  font-size:1.45rem;font-weight:800;letter-spacing:-.03em;
  background:linear-gradient(120deg,#fff 20%,#9ec9ff 90%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:.45rem;
}
.chat-empty p{max-width:380px;font-size:.9rem;color:var(--text-dim);margin-bottom:1.25rem}
.chat-suggestions{
  display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center;max-width:560px;
}
.chat-sug{
  border:none;cursor:pointer;font:inherit;font-size:.8rem;font-weight:600;
  color:var(--text-dim);text-align:left;padding:.65rem .9rem;border-radius:14px;
  background:rgba(255,255,255,.05);
  box-shadow:inset 0 0 0 1px rgba(160,200,255,.18);
  transition:background .2s, transform .15s, color .2s;
  max-width:260px;
}
.chat-sug:hover{
  background:rgba(90,160,255,.16);color:var(--text);
  transform:translateY(-1px);
}

.chat-msg{
  display:flex;gap:.7rem;margin-bottom:1.1rem;
  animation:fadeUp .3s ease both;
  max-width:920px;
}
.chat-msg-user{flex-direction:row-reverse;margin-left:auto}
.chat-avatar{
  width:34px;height:34px;border-radius:12px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-size:.85rem;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.25);
}
.chat-avatar.assistant{
  background:linear-gradient(145deg, rgba(90,160,255,.55), rgba(40,200,255,.3));
  color:#fff;
}
.chat-avatar.user{
  background:linear-gradient(145deg, rgba(255,255,255,.16), rgba(255,255,255,.06));
  color:var(--text);
}
.chat-bubble{min-width:0;max-width:min(100%,640px)}
.chat-msg-user .chat-bubble{text-align:right}
.chat-role{
  font-size:.68rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;
  color:var(--text-muted);margin-bottom:.3rem;
}
.chat-msg-user .chat-text{
  display:inline-block;text-align:left;
  padding:.75rem 1rem;border-radius:18px 18px 6px 18px;
  background:linear-gradient(160deg, rgba(90,150,255,.32), rgba(40,120,255,.16));
  box-shadow:inset 0 0 0 1px rgba(180,220,255,.28), 0 8px 24px rgba(20,80,180,.2);
  font-size:.95rem;line-height:1.55;
}
.chat-msg-assistant .chat-text{
  font-size:.95rem;line-height:1.6;color:var(--text);
  padding:.15rem 0;
}
.chat-msg-error .chat-text{color:var(--error)}
.chat-text p{margin:0 0 .65em}
.chat-text p:last-child{margin-bottom:0}
.chat-text a{color:#9ed8ff;text-decoration:underline;text-underline-offset:2px}
.chat-code{
  margin:.6rem 0;padding:.85rem 1rem;border-radius:14px;overflow-x:auto;
  background:rgba(0,0,0,.45);
  box-shadow:inset 0 0 0 1px rgba(160,200,255,.14);
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.82rem;line-height:1.5;color:#d6ecff;
}
.chat-inline-code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.86em;padding:.1rem .35rem;border-radius:6px;
  background:rgba(0,0,0,.35);color:#b8e0ff;
}
.chat-cursor{
  display:inline-block;width:8px;height:1.05em;margin-left:2px;vertical-align:text-bottom;
  background:linear-gradient(180deg,#9ec9ff,#5b9dff);
  border-radius:2px;animation:chatBlink .9s step-end infinite;
}
@keyframes chatBlink{50%{opacity:0}}

.chat-composer-wrap{
  flex-shrink:0;padding:.55rem 1rem 1rem;
  background:linear-gradient(0deg, rgba(0,8,20,.55), transparent);
}
.chat-composer{
  border-radius:22px;padding:.65rem .75rem .55rem;
  background:var(--glass-fill);
  backdrop-filter:blur(var(--blur)) saturate(var(--saturate));
  -webkit-backdrop-filter:blur(var(--blur)) saturate(var(--saturate));
  box-shadow:
    inset 0 0 0 1px rgba(180,210,255,.22),
    inset 0 1px 0 rgba(255,255,255,.18),
    0 12px 36px rgba(0,0,0,.35);
}
.chat-composer textarea{
  width:100%;border:none;outline:none;resize:none;
  background:transparent;color:var(--text);font:inherit;font-size:.98rem;
  line-height:1.45;min-height:28px;max-height:160px;padding:.15rem .35rem;
}
.chat-composer textarea::placeholder{color:var(--text-muted)}
.chat-composer textarea:disabled{opacity:.6}
.chat-composer-bar{
  display:flex;align-items:center;justify-content:space-between;gap:.5rem;
  margin-top:.35rem;padding:0 .2rem;
}
.chat-composer-hint{font-size:.68rem;color:var(--text-muted);font-weight:600}
.chat-send-btn{
  width:40px;height:40px;border-radius:14px;border:none;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:1rem;
  background:linear-gradient(145deg, #5b9dff, #2a7fff 55%, #1ec8ff);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35), 0 8px 20px rgba(40,120,255,.4);
  transition:transform .15s, filter .15s, opacity .15s;
}
.chat-send-btn:hover{filter:brightness(1.08);transform:translateY(-1px)}
.chat-send-btn:active{transform:scale(.96)}
.chat-send-btn:disabled{opacity:.55;cursor:not-allowed;transform:none}
.chat-disclaimer{
  text-align:center;font-size:.68rem;color:var(--text-muted);
  margin-top:.45rem;font-weight:500;
}

@media(max-width:899px){
  .chat-card{min-height:min(72dvh,700px);max-height:none}
  .chat-empty h2{font-size:1.2rem}
  .chat-sug{max-width:100%;flex:1 1 100%}
  .chat-model-select{max-width:140px;font-size:.72rem}
  .chat-composer-hint{display:none}
}
@media(min-width:900px){
  .chat-card{min-height:min(80dvh,860px)}
  .chat-messages{padding:1.25rem 1.5rem}
  .chat-topbar,.chat-composer-wrap,.chat-settings{padding-left:1.4rem;padding-right:1.4rem}
}