/* sf_paint.css
   IMPORTANT: colors reuse SF theme variables from sf_new.css:
   --color-bg, --color-bg-elevated, --color-border, --color-text, --color-text-muted, --color-accent, --color-accent-soft,
   --panel-radius-lg, --panel-radius-sm, --panel-shadow-strong
*/
.sf-paint-overlay{
  position:fixed;
  inset:0;
  z-index:200000;
}
.sf-paint-overlay[hidden]{ display:none !important; }

.sf-paint-backdrop{
  position:absolute;
  inset:0;
  background: rgba(0,0,0,.55);
}

.sf-paint-card{
  position:absolute;
  inset:18px;
  display:flex;
  flex-direction:column;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--panel-radius-lg);
  box-shadow: var(--panel-shadow-strong);
  overflow:hidden;
}

/* ---- topbar (single stable row) ---- */
.sf-paint-topbar{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border-bottom:1px solid var(--color-border);
  background: var(--color-bg);
  flex:0 0 auto;
  overflow:hidden;
}

/* plugin-ui text: Chinese spacing + no-wrap */
.sf-paint-topbar,
.sf-paint-modalTitle{
  letter-spacing: .08em;
}
.sf-paint-topbar button,
.sf-paint-topbar .sf-paint-brand,
.sf-paint-topbar .sf-paint-pill,
.sf-paint-modalTitle{
  white-space: nowrap;
  word-break: keep-all;
  line-break: strict;
}

.sf-paint-brand{
  font-weight:800;
}

.sf-paint-topbarLeft{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  min-width:max-content;
}

.sf-paint-tabs{
  display:flex;
  align-items:center;
  gap:6px;
}

.sf-paint-tabBtn{
  background: transparent;
  color: var(--color-text);
  border:1px solid var(--color-border);
  border-radius: 999px;
  padding:7px 10px;
  cursor:pointer;
}
.sf-paint-tabBtn[aria-selected="true"]{
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px var(--color-accent-soft) inset;
}

.sf-paint-topbarCenter{
  flex:1 1 auto;
  min-width:0;
  overflow:hidden;
  position:relative;
}

/* subtle fades hint horizontal scroll */
.sf-paint-topbarCenter::before,
.sf-paint-topbarCenter::after{
  content:"";
  position:absolute;
  top:0; bottom:0;
  width:18px;
  pointer-events:none;
  z-index:2;
}
.sf-paint-topbarCenter::before{
  left:0;
  background: linear-gradient(90deg, var(--color-bg), rgba(0,0,0,0));
}
.sf-paint-topbarCenter::after{
  right:0;
  background: linear-gradient(270deg, var(--color-bg), rgba(0,0,0,0));
}

.sf-paint-panel{
  display:flex;
  align-items:center;
  gap:8px;
  overflow:auto;
  scrollbar-width: thin;
  padding:2px 18px;
}
.sf-paint-panel::-webkit-scrollbar{ height:8px; }
.sf-paint-panel::-webkit-scrollbar-thumb{
  background: rgba(255,255,255,.18);
  border-radius: 999px;
}
.sf-paint-panel[hidden]{ display:none !important; }

.sf-paint-topbarRight{
  flex:0 0 auto;
  min-width:max-content;
}

.sf-paint-group{
  display:flex;
  flex-wrap:nowrap;
  gap:8px;
  align-items:center;
}

.sf-paint-sep{
  width:1px;
  height:26px;
  background: var(--color-border);
  margin:0 4px;
  flex:0 0 auto;
}

/* buttons */
.sf-paint-btn,
.sf-paint-tool{
  background: var(--color-bg-elevated);
  color: var(--color-text);
  border:1px solid var(--color-border);
  border-radius: var(--panel-radius-sm);
  padding:7px 10px;
  cursor:pointer;
  white-space:nowrap;
}
.sf-paint-btn:hover,
.sf-paint-tool:hover{ border-color: var(--color-accent-soft); }
.sf-paint-btn:active,
.sf-paint-tool:active{ transform: translateY(1px); }
.sf-paint-btn:disabled{ opacity:.55; cursor:not-allowed; transform:none; }

.sf-paint-btn-ghost{
  background: transparent;
}

.sf-paint-tool[aria-pressed="true"]{
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px var(--color-accent-soft) inset;
}

.sf-paint-pill{
  padding:6px 10px;
  border:1px solid var(--color-border);
  border-radius:999px;
  background: rgba(0,0,0,.10);
  color: var(--color-text-muted);
  flex:0 0 auto;
}

.sf-paint-field{
  display:flex;
  align-items:center;
  gap:6px;
  padding:6px 8px;
  border:1px solid var(--color-border);
  border-radius: var(--panel-radius-sm);
  background: rgba(0,0,0,.10);
  color: var(--color-text-muted);
  flex:0 0 auto;
  white-space: nowrap;
}
.sf-paint-field input[type="range"]{ width:110px; }
.sf-paint-field input[type="color"]{ width:28px; height:28px; border:none; padding:0; background:transparent; }

/* zoom controls */
.sf-paint-zoomGroup{ display:flex; gap:8px; align-items:center; }

/* stage / canvas */
.sf-paint-stage{
  flex:1 1 auto;
  min-height:0;
  background:#fff;
}
#sf-paint-canvas{
  width:100%;
  height:100%;
  display:block;
  background:#fff;
  touch-action:none;
  outline:none;
}
#sf-paint-canvas.sf-paint-isPanning{ cursor:grab; }
#sf-paint-canvas.sf-paint-isPanning:active{ cursor:grabbing; }

/* save modal */
.sf-paint-modal{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:16px;
  background: rgba(0,0,0,.35);
}
.sf-paint-modal[hidden]{ display:none !important; }

.sf-paint-modalCard{
  width:min(720px, 96vw);
  background: var(--color-bg-elevated);
  border:1px solid var(--color-border);
  border-radius: var(--panel-radius-lg);
  box-shadow: var(--panel-shadow-strong);
  padding:12px;
}
.sf-paint-modalTitle{
  font-weight:800;
  margin-bottom:10px;
}
.sf-paint-modalLabel{
  color: var(--color-text-muted);
  margin-bottom:6px;
  letter-spacing:.06em;
}
.sf-paint-textarea{
  width:100%;
  border:1px solid var(--color-border);
  border-radius: var(--panel-radius-sm);
  padding:10px;
  background: var(--color-bg);
  color: var(--color-text);
  resize:vertical;
}
.sf-paint-modalActions{
  display:flex;
  justify-content:flex-end;
  gap:8px;
  margin-top:10px;
}

/* toast */
.sf-paint-toast{
  position:absolute;
  left:50%;
  bottom:18px;
  transform: translateX(-50%);
  background: rgba(0,0,0,.78);
  color: rgba(255,255,255,.92);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 999px;
  padding:10px 14px;
  box-shadow: 0 10px 30px rgba(0,0,0,.35);
  z-index: 999;
  max-width: min(92vw, 560px);
  text-align:center;
  letter-spacing:.06em;
}
.sf-paint-toast[hidden]{ display:none !important; }

/* small spinner inside chat bubble */
.sf-ai-task-mini{
  display:flex;
  align-items:center;
  gap:8px;
}
.sf-ai-spinner{
  width:14px;
  height:14px;
  border-radius:50%;
  border:2px solid rgba(255,255,255,.25);
  border-top-color: var(--color-accent);
  animation: sfPaintSpin 0.9s linear infinite;
}
@keyframes sfPaintSpin { to { transform: rotate(360deg); } }

@media (max-width: 700px){
  /* allow toolbar to wrap into usable rows on phones */
  .sf-paint-topbar{
    flex-wrap:wrap;
    gap:8px;
    overflow:visible;
    padding:10px;
  }

  .sf-paint-topbarLeft{
    flex:1 1 100%;
    min-width:0;
    justify-content:flex-start;
  }
  .sf-paint-tabs{ margin-left:auto; }

  .sf-paint-topbarCenter{
    order:3;
    flex:1 1 100%;
    width:100%;
    min-width:0;
  }
  .sf-paint-topbarCenter::before,
  .sf-paint-topbarCenter::after{ width:14px; }
  .sf-paint-panel{ padding:2px 14px; -webkit-overflow-scrolling:touch; }

  .sf-paint-topbarRight{
    order:4;
    flex:1 1 100%;
    min-width:0;
  }
  .sf-paint-topbarRight .sf-paint-group{
    flex-wrap:wrap;
    justify-content:flex-start;
  }
  .sf-paint-sep{ display:none; }

  .sf-paint-field input[type="range"]{ width:120px; }
  #sfPaintNgonSides{ width:86px !important; }
}

@media (max-width: 480px){
  .sf-paint-tabBtn{ padding:6px 9px; }
  .sf-paint-btn,
  .sf-paint-tool{ padding:7px 9px; }
  .sf-paint-field{ padding:5px 7px; }
  .sf-paint-field input[type="range"]{ width:108px; }
}