/* Rafiki Studio — premium video workspace */
:root{
  --st-bg:#EFF4FB;
  --st-bg2:#E2EAF5;
  --st-panel:rgba(255,255,255,0.96);
  --st-glass:rgba(255,255,255,0.92);
  --st-glass2:#FFFFFF;
  --st-border:rgba(148,163,184,0.38);
  --st-border-hi:rgba(37,99,235,0.48);
  --st-text:#0F172A;
  --st-muted:#64748B;
  --st-accent:#2563EB;
  --st-accent2:#1D4ED8;
  --st-gold:#D97706;
  --st-radius:18px;
  --st-radius-sm:12px;
  --st-shadow:0 20px 50px rgba(15,23,42,0.08),0 4px 14px rgba(15,23,42,0.05);
  --st-ease:cubic-bezier(0.22,1,0.36,1);
}

#page-studio.page{
  padding:0;max-width:none;width:100%;
  height:calc(100dvh - 56px - 64px - env(safe-area-inset-bottom, 0px));
  min-height:0;overflow:hidden;position:relative;
  display:flex;flex-direction:column;
  background:
    radial-gradient(ellipse 80% 55% at 15% -8%,rgba(59,130,246,0.14),transparent 52%),
    radial-gradient(ellipse 60% 45% at 92% 8%,rgba(147,51,234,0.08),transparent 48%),
    linear-gradient(180deg,var(--st-bg) 0%,var(--st-bg2) 100%);
}
@media(min-width:768px){
  #page-studio.page{
    height:calc(100dvh - 60px);
    padding-bottom:env(safe-area-inset-bottom, 0px);
  }
}
#app-shell.studio-mode{padding-bottom:0!important}
#app-shell.studio-mode .child-bar{display:none}
#app-shell.studio-mode .page-header{display:none}

.studio-root{
  flex:1;min-height:0;display:flex;flex-direction:column;
  color:var(--st-text);
  font-family:Inter,system-ui,-apple-system,sans-serif;
  -webkit-font-smoothing:antialiased;
}
.studio-create{flex:1;min-height:0;overflow:auto;scrollbar-width:thin;scrollbar-color:rgba(148,163,184,0.45) transparent}
.studio-create::-webkit-scrollbar{width:6px}
.studio-create::-webkit-scrollbar-thumb{background:rgba(148,163,184,0.35);border-radius:99px}
.studio-editor{flex:1;min-height:0;display:flex;flex-direction:column;overflow:hidden;position:relative}

/* ── Home ── */
.studio-home{
  width:calc(100% - 32px);
  margin:0 auto;
  padding:28px 0 64px;
  animation:studio-rise .55s var(--st-ease) both;
}
@media(min-width:768px){
  .studio-home{width:calc(100% - 56px);padding:40px 0 80px;max-width:none}
}
@media(min-width:1100px){
  .studio-home{width:calc(100% - 72px);padding:48px 0 96px}
}
@keyframes studio-rise{
  from{opacity:0;transform:translateY(14px)}
  to{opacity:1;transform:none}
}
.studio-hero{padding:0 0 28px;text-align:left}
.studio-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:10px;font-weight:800;letter-spacing:0.2em;text-transform:uppercase;
  color:var(--st-accent);margin-bottom:14px;
  padding:6px 12px;border-radius:999px;
  background:rgba(37,99,235,0.08);border:1px solid rgba(37,99,235,0.18);
}
.studio-kicker::before{
  content:'';width:6px;height:6px;border-radius:50%;
  background:var(--st-accent);box-shadow:0 0 10px var(--st-accent);
}
.studio-hero h1{
  font-size:clamp(28px,5vw,40px);font-weight:800;letter-spacing:-0.045em;
  color:var(--st-text);margin:0 0 12px;line-height:1.1;
  background:linear-gradient(135deg,#0F172A 0%,#334155 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.studio-hero p{color:var(--st-muted);font-size:16px;line-height:1.6;margin:0;max-width:38em}
.studio-hero .studio-truth{
  margin-top:14px;font-size:13px;color:var(--st-muted);
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
}
.studio-hero .studio-truth::before{
  content:'';width:18px;height:1px;background:linear-gradient(90deg,var(--st-accent),transparent);
}

.studio-composer{
  position:relative;
  background:#FFFFFF;
  border:1px solid var(--st-border);
  border-radius:22px;padding:18px 18px 14px;
  box-shadow:var(--st-shadow);
  transition:border-color .25s var(--st-ease),box-shadow .25s var(--st-ease);
}
.studio-composer:focus-within{
  border-color:rgba(37,99,235,0.45);
  box-shadow:var(--st-shadow),0 0 0 3px rgba(37,99,235,0.1);
}
.studio-composer-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:14px;padding-top:14px;border-top:1px solid rgba(148,163,184,0.25);
}
.studio-composer-hint{font-size:12px;color:var(--st-muted);line-height:1.4;flex:1;min-width:0}
.studio-prompt{
  width:100%;min-height:120px;max-height:280px;resize:vertical;border:none;background:transparent;
  color:var(--st-text);font:500 16px/1.55 Inter,system-ui,sans-serif;outline:none;
}
.studio-prompt::placeholder{color:#94A3B8}

.studio-section-label{
  font-size:10px;font-weight:800;letter-spacing:0.18em;text-transform:uppercase;
  color:var(--st-accent);margin:28px 0 12px;padding:0 2px;
}
.studio-truth.studio-hint{
  margin-top:16px;padding:14px 16px;border-radius:var(--st-radius-sm);
  background:rgba(37,99,235,0.06);border:1px solid rgba(37,99,235,0.14);
  color:var(--st-muted);font-size:13px;line-height:1.5;
}
.studio-settings{margin-top:8px}
.studio-field > span{
  display:block;font-size:10px;font-weight:800;letter-spacing:0.16em;
  text-transform:uppercase;color:var(--st-accent);margin:0 0 12px;
}

.studio-aspects{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;
}
@media(min-width:600px){
  .studio-aspects{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
}
@media(min-width:768px){
  .studio-aspects{grid-template-columns:repeat(5,minmax(0,1fr))}
}
@media(max-width:640px){
  .studio-aspects{grid-template-columns:repeat(2,minmax(0,1fr))}
}
.studio-aspect{
  display:flex;flex-direction:column;align-items:center;gap:10px;
  border:1px solid var(--st-border);background:var(--st-glass);
  border-radius:var(--st-radius);padding:16px 10px 14px;cursor:pointer;
  color:var(--st-text);font-family:inherit;text-align:center;min-height:88px;
  transition:transform .2s var(--st-ease),border-color .2s,background .2s,box-shadow .2s;
}
@media(min-width:768px){
  .studio-aspect{padding:18px 12px 16px;min-height:96px}
}
.studio-aspect:hover{
  transform:translateY(-2px);
  border-color:rgba(37,99,235,0.35);
  background:var(--st-glass2);
}
.studio-aspect.is-on{
  border-color:var(--st-accent);
  background:linear-gradient(180deg,rgba(37,99,235,0.1),rgba(37,99,235,0.04));
  color:var(--st-text);
  box-shadow:0 0 0 1px rgba(37,99,235,0.18),0 12px 28px rgba(37,99,235,0.12);
}
.studio-fmt-shape{
  display:block;font-style:normal;margin:0 auto;border-radius:7px;
  background:linear-gradient(180deg,#2a7bff,#0f2d6e);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,0.14),0 4px 12px rgba(0,0,0,0.25);
}
.studio-aspect b,.studio-fmt b{display:block;font-size:12px;font-weight:700;letter-spacing:-0.01em}
.studio-aspect span,.studio-fmt span{display:block;font-size:10px;color:var(--st-muted);margin-top:3px;font-weight:500}

.studio-vertical{display:none;gap:8px;margin-top:12px;flex-wrap:wrap}
.studio-vertical.is-on{display:flex}
.studio-custom{display:none;gap:8px;margin-top:10px;align-items:center}
.studio-custom.is-on{display:flex}

.studio-go{
  flex-shrink:0;border:none;border-radius:14px;
  padding:13px 24px;font:800 14px Inter,system-ui,sans-serif;cursor:pointer;color:#FFFFFF;
  background:linear-gradient(135deg,var(--st-accent) 0%,var(--st-accent2) 100%);
  box-shadow:0 10px 24px rgba(37,99,235,0.28);
  transition:transform .2s var(--st-ease),box-shadow .2s,opacity .2s;
  letter-spacing:0.02em;
}
.studio-go:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 14px 32px rgba(37,99,235,0.35)}
.studio-go:active:not(:disabled){transform:translateY(0)}
.studio-go:disabled{opacity:.45;cursor:wait}

.studio-list{padding:12px 0 0}
@media(min-width:768px){
  .studio-list{
    display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;
    padding-top:16px;
  }
}
@media(min-width:1100px){
  .studio-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
}
.studio-card{
  display:flex;align-items:center;gap:14px;padding:14px 16px;margin-bottom:10px;
  width:100%;text-align:left;font-family:inherit;
  border-radius:var(--st-radius);border:1px solid var(--st-border);
  background:var(--st-glass);cursor:pointer;color:inherit;
  transition:transform .2s var(--st-ease),border-color .2s,background .2s;
}
@media(min-width:768px){
  .studio-card{margin-bottom:0;padding:16px 18px;min-height:76px}
}
.studio-card:hover{
  transform:translateX(3px);
  border-color:var(--st-border-hi);
  background:var(--st-glass2);
}
.studio-thumb{
  width:48px;height:48px;border-radius:var(--st-radius-sm);flex-shrink:0;
  background:linear-gradient(145deg,#1e6fff,#0a1f42);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,0.1);
  position:relative;overflow:hidden;
}
.studio-thumb::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,transparent 40%,rgba(255,255,255,0.12));
}
.studio-card h4{margin:0;font-size:14px;font-weight:700;color:var(--st-text);letter-spacing:-0.02em}
.studio-card p{margin:4px 0 0;font-size:12px;color:var(--st-muted)}

.studio-placeholder{text-align:center;padding:64px 24px;color:var(--st-muted)}
.studio-placeholder h2{margin:20px 0 10px;font-size:22px;color:var(--st-text);font-weight:800}

/* ── Shared controls ── */
.studio-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.studio-chip,.studio-select,.studio-mini,.studio-field-input{
  border:1px solid var(--st-border);background:var(--st-glass);
  color:var(--st-text);border-radius:999px;padding:8px 14px;
  font-size:12px;font-weight:600;font-family:inherit;
  transition:border-color .2s,background .2s,color .2s;
}
.studio-chip,.studio-select{cursor:pointer}
.studio-chip:hover,.studio-select:hover{border-color:rgba(37,99,235,0.35);background:var(--st-glass2)}
.studio-chip.is-on{
  border-color:var(--st-accent);
  background:rgba(37,99,235,0.1);
  color:var(--st-accent2);
  box-shadow:0 0 0 1px rgba(37,99,235,0.12);
}
.studio-mini{width:88px;border-radius:var(--st-radius-sm);cursor:text}
.studio-select{border-radius:var(--st-radius-sm);padding-right:28px;appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238fa3be'%3E%3Cpath d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 10px center}

/* ── Editor chrome ── */
.studio-topbar{
  display:flex;align-items:center;gap:10px;padding:12px 16px;
  border-bottom:1px solid var(--st-border);
  background:rgba(255,255,255,0.94);backdrop-filter:blur(14px);
  flex-wrap:wrap;position:sticky;top:0;z-index:30;
}
@media(min-width:768px){
  .studio-topbar{padding:14px 20px;gap:12px;flex-wrap:nowrap}
}
.studio-title-wrap{flex:1;min-width:0;max-width:100%}
.studio-title{
  font-weight:800;color:var(--st-text);font-size:15px;letter-spacing:-0.03em;line-height:1.2;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
@media(min-width:768px){.studio-title{font-size:16px}}
.studio-subtitle{
  font-size:11px;color:var(--st-muted);margin-top:2px;font-weight:500;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.studio-back{
  display:inline-flex;align-items:center;gap:6px;flex-shrink:0;
  border:1px solid var(--st-border);background:var(--st-glass);
  color:var(--st-muted);border-radius:var(--st-radius-sm);
  padding:8px 12px;font-size:12px;font-weight:700;font-family:inherit;cursor:pointer;
  transition:border-color .2s,color .2s,background .2s;
  min-height:40px;
}
.studio-back:hover{color:var(--st-text);border-color:var(--st-border-hi);background:var(--st-glass2)}
.studio-ver{
  display:inline-flex;align-items:center;margin-left:8px;
  font-size:10px;font-weight:800;letter-spacing:0.06em;
  color:var(--st-accent);vertical-align:middle;
  padding:2px 7px;border-radius:999px;
  background:rgba(37,99,235,0.08);border:1px solid rgba(37,99,235,0.18);
}
.studio-save{
  font-size:11px;color:var(--st-muted);font-weight:700;
  padding:6px 10px;border-radius:999px;
  background:rgba(241,245,249,0.9);border:1px solid transparent;
}
.studio-save.is-saving{color:var(--st-accent);border-color:rgba(37,99,235,0.2);background:rgba(37,99,235,0.06)}

.studio-toolbar,.studio-toolbar-sub{
  display:flex;align-items:center;gap:8px;padding:10px 16px;flex-wrap:wrap;
}
.studio-toolbar-sub{
  border-bottom:1px solid var(--st-border);
  background:rgba(241,245,249,0.85);
}
.studio-toolbar-group{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.studio-toolbar-group + .studio-toolbar-group{
  padding-left:10px;margin-left:2px;
  border-left:1px solid rgba(148,163,184,0.25);
}
.studio-toolbar button,.studio-toolbar-sub button,.studio-toggle,.studio-compose button{
  border:1px solid var(--st-border);background:var(--st-glass);
  color:var(--st-text);border-radius:var(--st-radius-sm);
  padding:8px 12px;font-size:12px;font-weight:700;
  font-family:inherit;cursor:pointer;min-height:40px;
  transition:border-color .2s,background .2s,transform .15s;
}
@media(min-width:768px){
  .studio-toolbar,.studio-toolbar-sub{padding:12px 20px;gap:10px}
  .studio-toolbar button,.studio-toolbar-sub button{min-height:42px;padding:9px 14px}
}
.studio-toolbar button:hover:not(:disabled),.studio-toolbar-sub button:hover:not(:disabled),
.studio-compose button:hover:not(:disabled){
  border-color:var(--st-border-hi);background:var(--st-glass2);
}
.studio-toolbar button.primary,.studio-compose button.primary,.studio-toolbar-sub button.primary{
  background:linear-gradient(135deg,var(--st-accent),var(--st-accent2));
  color:#FFFFFF;border:none;
  box-shadow:0 6px 18px rgba(37,99,235,0.28);
}
.studio-toolbar button.primary:hover,.studio-compose button.primary:hover{
  transform:translateY(-1px);
}
.studio-toolbar button:disabled,.studio-toolbar-sub button:disabled{opacity:.35;cursor:not-allowed}

.studio-adapt{
  display:flex;gap:8px;overflow-x:auto;padding:10px 16px;
  border-bottom:1px solid var(--st-border);
  scrollbar-width:none;-webkit-overflow-scrolling:touch;
}
@media(min-width:768px){
  .studio-adapt{flex-wrap:wrap;overflow:visible;padding:12px 20px}
  .studio-adapt .studio-chip{min-height:40px}
}
.studio-adapt::-webkit-scrollbar{display:none}
.studio-adapt-label{
  flex-shrink:0;font-size:10px;font-weight:800;letter-spacing:0.14em;
  text-transform:uppercase;color:var(--st-muted);align-self:center;padding-right:4px;
}

.studio-work{
  flex:1;min-height:0;display:grid;
  grid-template-columns:1fr;
  grid-template-rows:minmax(220px,52dvh) minmax(260px,1fr);
}
@media(min-width:768px){
  .studio-work{
    grid-template-columns:minmax(0,1.12fr) minmax(280px,340px);
    grid-template-rows:minmax(0,1fr);
  }
}
@media(min-width:1100px){
  .studio-work{grid-template-columns:minmax(0,1fr) minmax(300px,380px)}
}

.studio-preview{
  min-width:0;min-height:0;display:flex;align-items:center;justify-content:center;
  padding:16px;position:relative;
  background:
    radial-gradient(ellipse 70% 60% at 50% 50%,rgba(37,99,235,0.06),transparent 70%);
}
@media(min-width:768px){
  .studio-preview{padding:24px 20px}
}
.studio-frame{
  position:relative;max-width:100%;max-height:100%;
  box-shadow:0 24px 60px rgba(15,23,42,0.18),0 0 0 1px rgba(148,163,184,0.25);
  border-radius:20px;overflow:hidden;background:#000;
}
.studio-stage{position:relative;width:100%;aspect-ratio:var(--ar);line-height:0;background:#000;overflow:hidden}
.studio-stage iframe{position:absolute;inset:0;width:100%;height:100%;border:none}

.studio-play-overlay{
  position:absolute;inset:0;z-index:20;margin:0;padding:0;border:none;cursor:pointer;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  background:linear-gradient(180deg,rgba(4,10,22,0.05),rgba(4,10,22,0.55));
  color:#fff;transition:opacity .25s ease,background .25s ease;
}
.studio-play-overlay:hover{background:linear-gradient(180deg,rgba(4,10,22,0.08),rgba(4,10,22,0.62))}
.studio-play-overlay[hidden]{display:none!important}
.studio-play-icon{
  width:76px;height:76px;border-radius:50%;
  background:linear-gradient(135deg,var(--st-accent),var(--st-accent2));
  box-shadow:0 16px 48px rgba(30,111,255,0.5),inset 0 1px 0 rgba(255,255,255,0.3);
  display:flex;align-items:center;justify-content:center;
  transition:transform .25s var(--st-ease);
}
.studio-play-overlay:hover .studio-play-icon{transform:scale(1.06)}
.studio-play-icon::before{
  content:'';display:block;width:0;height:0;margin-left:7px;
  border-top:15px solid transparent;border-bottom:15px solid transparent;
  border-left:24px solid #041018;
}
.studio-play-label{
  font-size:11px;font-weight:800;letter-spacing:0.18em;text-transform:uppercase;
  text-shadow:0 2px 16px rgba(0,0,0,0.7);
  color:rgba(255,255,255,0.92);
}
.studio-meta{
  position:absolute;left:14px;bottom:14px;z-index:4;
  font-size:9px;font-weight:800;letter-spacing:0.14em;text-transform:uppercase;
  color:rgba(255,255,255,0.75);
  padding:6px 10px;border-radius:999px;
  background:rgba(0,0,0,0.45);backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,0.08);
}

/* ── Side panel ── */
.studio-side{
  border-left:1px solid var(--st-border);
  display:flex;flex-direction:column;min-height:0;
  background:var(--st-panel);backdrop-filter:blur(18px);
  border-top:1px solid var(--st-border);
}
@media(min-width:768px){
  .studio-side{border-top:none;border-left:1px solid var(--st-border)}
}
.studio-tabs{
  display:flex;gap:4px;padding:10px 12px 0;
  border-bottom:1px solid var(--st-border);
  position:sticky;top:0;z-index:2;background:var(--st-panel);
}
.studio-tabs .studio-chip{
  flex:1;justify-content:center;border-radius:var(--st-radius-sm) var(--st-radius-sm) 0 0;
  border-bottom:none;padding:12px 8px;font-size:11px;min-height:44px;
  background:transparent;color:var(--st-muted);
}
.studio-tabs .studio-chip.is-on{
  background:var(--st-glass2);color:var(--st-text);
  border-color:var(--st-border);border-bottom-color:transparent;
  box-shadow:none;
}
.studio-panel{flex:1;min-height:0;display:flex;flex-direction:column}
.studio-chat{
  flex:1;overflow:auto;padding:14px;display:flex;flex-direction:column;gap:10px;
  scrollbar-width:thin;
}
.studio-msg{
  padding:12px 14px;border-radius:16px;font-size:13px;line-height:1.5;max-width:92%;
  animation:studio-msg-in .35s var(--st-ease) both;
}
@keyframes studio-msg-in{
  from{opacity:0;transform:translateY(6px)}
  to{opacity:1;transform:none}
}
.studio-msg.user{
  align-self:flex-end;
  background:linear-gradient(135deg,#1e6fff,#1550c4);
  color:#fff;border-bottom-right-radius:4px;
  box-shadow:0 8px 24px rgba(30,111,255,0.25);
}
.studio-msg.ai{
  align-self:flex-start;
  background:var(--st-glass2);color:var(--st-text);
  border:1px solid var(--st-border);border-bottom-left-radius:4px;
}
.studio-compose{
  display:flex;gap:8px;padding:12px;
  border-top:1px solid var(--st-border);
  background:rgba(248,250,252,0.95);
}
.studio-compose input{
  flex:1;border:1px solid var(--st-border);background:#FFFFFF;
  color:var(--st-text);border-radius:var(--st-radius-sm);padding:11px 14px;
  font:14px Inter,system-ui,sans-serif;outline:none;
  transition:border-color .2s,box-shadow .2s;
}
.studio-compose input:focus{
  border-color:rgba(37,99,235,0.45);
  box-shadow:0 0 0 3px rgba(37,99,235,0.1);
}
.studio-compose button.primary{padding:11px 16px;border-radius:var(--st-radius-sm)}

.studio-props{display:flex;flex-direction:column;gap:12px;padding:14px;overflow:auto}
.studio-props label{font-size:11px;font-weight:700;color:var(--st-muted);display:flex;flex-direction:column;gap:6px;letter-spacing:0.04em;text-transform:uppercase}
.studio-props .studio-prompt{
  min-height:88px;border:1px solid var(--st-border);border-radius:var(--st-radius-sm);
  padding:10px 12px;background:#FFFFFF;color:var(--st-text);resize:vertical;
}

/* ── Timeline ── */
.studio-timeline{
  border-top:1px solid var(--st-border);
  padding:12px 16px max(14px, env(safe-area-inset-bottom));
  flex-shrink:0;
  background:rgba(255,255,255,0.92);backdrop-filter:blur(12px);
}
@media(min-width:768px){
  .studio-timeline{padding:14px 20px max(16px, env(safe-area-inset-bottom))}
}
.studio-tl-head{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  font-size:10px;font-weight:800;letter-spacing:0.16em;text-transform:uppercase;
  color:var(--st-accent);margin-bottom:10px;
}
.studio-tl-track{
  display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;scrollbar-width:thin;
  -webkit-overflow-scrolling:touch;scroll-snap-type:x proximity;
}
.studio-tl-scene{
  flex:0 0 auto;min-width:104px;max-width:160px;scroll-snap-align:start;
  border-radius:var(--st-radius-sm);padding:12px 14px;min-height:56px;
  border:1px solid var(--st-border);background:var(--st-glass);
  color:var(--st-text);font-size:11px;font-weight:700;cursor:pointer;text-align:left;
  transition:border-color .2s,background .2s,transform .2s;
  font-family:inherit;
}
@media(min-width:768px){
  .studio-tl-scene{min-width:118px}
}
.studio-tl-scene:hover{border-color:var(--st-border-hi);transform:translateY(-1px)}
.studio-tl-scene.is-on{
  border-color:var(--st-accent);
  background:linear-gradient(180deg,rgba(37,99,235,0.1),rgba(37,99,235,0.04));
  box-shadow:0 0 0 1px rgba(37,99,235,0.18);
}
.studio-tl-scene small{display:block;margin-top:4px;font-size:10px;font-weight:500;color:var(--st-muted)}
.studio-scrub{
  width:100%;margin-top:12px;height:8px;appearance:none;border-radius:99px;
  background:rgba(148,163,184,0.25);cursor:pointer;
}
.studio-scrub::-webkit-slider-thumb{
  appearance:none;width:18px;height:18px;border-radius:50%;
  background:linear-gradient(135deg,var(--st-accent),var(--st-accent2));
  box-shadow:0 2px 8px rgba(30,111,255,0.45);cursor:pointer;
}
.studio-scrub::-moz-range-thumb{
  width:18px;height:18px;border:none;border-radius:50%;
  background:linear-gradient(135deg,var(--st-accent),var(--st-accent2));
}

.studio-truth{margin-top:8px;font-size:11px;line-height:1.45;color:var(--st-muted)}

/* ── Overlays ── */
.studio-export-confirm,.studio-banner{
  position:absolute;left:50%;bottom:96px;transform:translateX(-50%);
  width:min(440px,calc(100% - 28px));z-index:12;
  background:rgba(255,255,255,0.98);border:1px solid rgba(37,99,235,0.22);
  border-radius:var(--st-radius);padding:18px 20px;
  box-shadow:var(--st-shadow);
  animation:studio-rise .35s var(--st-ease) both;
}
.studio-export-confirm h3,.studio-banner h3{margin:0 0 8px;font-size:16px;font-weight:800;color:var(--st-text)}
.studio-export-confirm p,.studio-banner p{margin:0 0 14px;color:var(--st-muted);font-size:13px;line-height:1.5}
.studio-checks{margin:8px 0 14px;padding-left:18px;color:var(--st-text);font-size:13px;line-height:1.6}
.studio-checks .ok{color:#059669}
.studio-checks .bad{color:#DC2626}
.studio-warn{color:#D97706;font-size:12px;margin:8px 0}

.studio-busy{
  position:absolute;inset:0;z-index:40;
  display:flex;align-items:center;justify-content:center;
  background:rgba(239,244,251,0.88);backdrop-filter:blur(14px);
}
.studio-busy[hidden]{display:none}
.studio-busy-card{
  width:min(400px,calc(100% - 40px));text-align:center;
  background:#FFFFFF;
  border:1px solid var(--st-border);border-radius:22px;
  padding:32px 26px 28px;box-shadow:var(--st-shadow);
}
.studio-busy-card h2{margin:0 0 10px;color:var(--st-text);font-size:21px;font-weight:800;letter-spacing:-0.03em}
.studio-busy-card p{margin:0 0 18px;color:var(--st-muted);font-size:14px;min-height:1.4em}
.studio-spinner{
  width:48px;height:48px;margin:0 auto 18px;border-radius:50%;
  border:3px solid rgba(148,163,184,0.25);border-top-color:var(--st-accent);
  animation:studio-spin .75s linear infinite;
}
@keyframes studio-spin{to{transform:rotate(360deg)}}
.studio-progress{height:6px;border-radius:99px;background:rgba(148,163,184,0.25);overflow:hidden;margin:10px 0}
.studio-progress i{display:block;height:100%;background:linear-gradient(90deg,var(--st-accent),var(--st-accent2));border-radius:99px;transition:width .4s var(--st-ease)}

.studio-empty{padding:48px 20px;text-align:center;color:var(--st-muted);font-size:13px}

.studio-mode-bar{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 18px}
@media(min-width:768px){
  .studio-mode-bar{gap:10px;margin-bottom:22px}
  .studio-mode-bar .studio-chip{padding:10px 16px;font-size:13px;min-height:44px}
  .studio-composer{padding:22px}
  .studio-slideshow{padding:0}
  .studio-ss-section{padding:22px 22px 0}
  .studio-ss-foot{padding:18px 22px 22px}
  .studio-prompt{min-height:132px;font-size:17px}
  .studio-go{padding:14px 28px;font-size:15px;min-height:48px}
  .studio-img-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
}
@media(min-width:1024px){
  .studio-img-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .studio-ss-campaign-input{min-height:96px}
}
.studio-banner,.studio-export-confirm{
  bottom:max(96px, calc(88px + env(safe-area-inset-bottom)));
}
@media(max-width:767px){
  .studio-toolbar-sub .studio-toolbar-group{width:100%;justify-content:flex-start}
  .studio-toolbar-sub .studio-toolbar-group + .studio-toolbar-group{
    border-left:none;padding-left:0;margin-left:0;padding-top:6px;
    border-top:1px solid rgba(148,163,184,0.25);
  }
  .studio-topbar #st-export{width:100%;justify-content:center;margin-top:4px}
}
.studio-slideshow{
  background:#FFFFFF;
  border:1px solid var(--st-border);border-radius:24px;padding:0;
  box-shadow:var(--st-shadow);
  overflow:hidden;
  transition:border-color .25s var(--st-ease),box-shadow .25s var(--st-ease);
}
.studio-slideshow:focus-within{
  border-color:rgba(37,99,235,0.45);
  box-shadow:var(--st-shadow),0 0 0 3px rgba(37,99,235,0.1);
}
.studio-ss-section{padding:20px 20px 0}
.studio-ss-section + .studio-ss-section{
  padding-top:18px;margin-top:18px;
  border-top:1px solid rgba(148,163,184,0.22);
}
.studio-ss-section-head{
  display:flex;align-items:center;gap:10px;margin-bottom:14px;
}
.studio-ss-kicker{
  flex-shrink:0;width:28px;height:28px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:800;color:var(--st-accent);
  background:rgba(37,99,235,0.1);border:1px solid rgba(37,99,235,0.18);
}
.studio-ss-title{
  flex:1;min-width:0;margin:0;
  font-size:15px;font-weight:800;letter-spacing:-0.02em;color:var(--st-text);
}
.studio-ss-count{
  flex-shrink:0;font-size:11px;font-weight:700;color:var(--st-muted);
  padding:5px 10px;border-radius:999px;
  background:rgba(241,245,249,0.9);border:1px solid rgba(148,163,184,0.28);
}
.studio-ss-campaign-input{
  min-height:88px;padding:14px 16px;
  border:1px solid rgba(148,163,184,0.28);border-radius:16px;
  background:linear-gradient(180deg,#FAFBFD 0%,#FFFFFF 100%);
  transition:border-color .2s,box-shadow .2s;
}
.studio-ss-campaign-input:focus{
  border-color:rgba(37,99,235,0.4);
  box-shadow:0 0 0 3px rgba(37,99,235,0.08);
}
.studio-ss-foot{
  margin-top:0;padding:16px 20px 20px;border-top:1px solid rgba(148,163,184,0.22);
  justify-content:flex-end;
}
.studio-go--wide{min-width:min(100%,220px)}
.studio-img-grid{
  display:grid;grid-template-columns:1fr;gap:14px;
  margin:0;padding-bottom:20px;
}
.studio-img-slot{
  display:flex;flex-direction:column;gap:10px;
  background:linear-gradient(180deg,#FAFBFD 0%,#FFFFFF 100%);
  border:1px solid var(--st-border);border-radius:18px;padding:12px;
  transition:border-color .2s var(--st-ease),box-shadow .2s var(--st-ease),transform .2s var(--st-ease);
}
.studio-img-slot:hover{
  border-color:rgba(37,99,235,0.28);
  box-shadow:0 8px 24px rgba(15,23,42,0.06);
}
.studio-img-slot.has-photo{
  border-color:rgba(37,99,235,0.32);
  box-shadow:0 10px 28px rgba(37,99,235,0.08);
}
.studio-img-slot-top{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  min-height:24px;
}
.studio-img-num{
  font-size:10px;font-weight:800;letter-spacing:0.12em;text-transform:uppercase;
  color:var(--st-muted);
}
.studio-img-drop{
  display:flex;align-items:center;justify-content:center;
  aspect-ratio:4/5;border-radius:14px;overflow:hidden;cursor:pointer;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%,rgba(37,99,235,0.06),transparent 55%),
    rgba(241,245,249,0.95);
  border:1.5px dashed rgba(148,163,184,0.45);
  min-height:140px;position:relative;
  transition:border-color .2s,background .2s,transform .2s var(--st-ease);
}
.studio-img-drop:hover{
  border-color:rgba(37,99,235,0.45);
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%,rgba(37,99,235,0.1),transparent 55%),
    rgba(239,246,255,0.95);
}
.studio-img-slot.has-photo .studio-img-drop{border-style:solid;border-color:rgba(148,163,184,0.35)}
.studio-img-drop img{width:100%;height:100%;object-fit:cover;display:block}
.studio-img-empty{
  display:flex;flex-direction:column;align-items:center;gap:10px;padding:16px;
  color:var(--st-muted);text-align:center;
}
.studio-img-empty svg{width:32px;height:32px;opacity:0.55;color:var(--st-accent)}
.studio-img-plus{font-size:12px;font-weight:700;color:var(--st-text);letter-spacing:0.02em}
.studio-img-change{
  position:absolute;inset:auto 10px 10px auto;
  padding:6px 12px;border-radius:999px;
  font-size:11px;font-weight:700;color:#fff;
  background:rgba(15,23,42,0.72);backdrop-filter:blur(8px);
  opacity:0;transform:translateY(4px);
  transition:opacity .2s,transform .2s var(--st-ease);
  pointer-events:none;
}
.studio-img-drop:hover .studio-img-change{opacity:1;transform:none}
.studio-img-prompt{
  width:100%;min-height:64px;max-height:120px;resize:vertical;
  border:1px solid rgba(148,163,184,0.28);
  background:#FFFFFF;color:var(--st-text);border-radius:12px;
  padding:10px 12px;font:500 13px/1.5 Inter,system-ui,sans-serif;outline:none;
  transition:border-color .2s,box-shadow .2s;
}
.studio-img-prompt:focus{
  border-color:rgba(37,99,235,0.4);
  box-shadow:0 0 0 3px rgba(37,99,235,0.08);
}
.studio-img-prompt::placeholder{color:#94A3B8}
.studio-img-rm{
  display:flex;align-items:center;justify-content:center;
  width:28px;height:28px;padding:0;
  border:1px solid rgba(148,163,184,0.35);background:#FFFFFF;
  color:var(--st-muted);border-radius:999px;cursor:pointer;
  transition:color .2s,border-color .2s,background .2s,transform .2s;
}
.studio-img-rm svg{width:14px;height:14px}
.studio-img-rm:hover{
  color:#DC2626;border-color:rgba(220,38,38,0.35);background:rgba(254,242,242,0.95);
  transform:scale(1.05);
}
.studio-img-slot--add{
  cursor:pointer;font-family:inherit;text-align:center;
  border-style:dashed;border-color:rgba(37,99,235,0.35);
  background:linear-gradient(180deg,rgba(37,99,235,0.04),rgba(255,255,255,0.98));
  padding:0;min-height:0;
}
.studio-img-slot--add:hover{
  border-color:rgba(37,99,235,0.55);
  background:linear-gradient(180deg,rgba(37,99,235,0.08),#FFFFFF);
  transform:translateY(-2px);
}
.studio-img-add-inner{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:8px;min-height:220px;padding:20px;color:var(--st-accent);
}
.studio-img-add-inner svg{width:28px;height:28px;opacity:0.85}
.studio-img-add-sub{font-size:11px;font-weight:600;color:var(--st-muted)}
.studio-slideshow-lead{font-size:14px;line-height:1.55;color:var(--st-muted);margin:0 0 14px}

.studio-toolbar button:focus-visible,.studio-toolbar-sub button:focus-visible,
.studio-aspect:focus-visible,.studio-chip:focus-visible,.studio-go:focus-visible,
.studio-back:focus-visible,.studio-compose input:focus-visible{
  outline:2px solid var(--st-accent);outline-offset:2px;
}