/* App + site styling (kept minimal and clean) */
:root{
  --stpnc-bg:#0b1220; --stpnc-card:#111b2e; --stpnc-muted:#91a4c7; --stpnc-text:#e8f0ff;
  --stpnc-accent:#4da3ff; --stpnc-accent2:#8b5cff; --stpnc-danger:#ff4d4d;
  --stpnc-border: rgba(255,255,255,.12);
}

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  background: radial-gradient(1200px 700px at 15% 15%, rgba(77,163,255,.18), transparent 60%),
              radial-gradient(1000px 600px at 85% 25%, rgba(139,92,255,.16), transparent 65%),
              var(--stpnc-bg);
  color: var(--stpnc-text);
}

.site-header{
  border-bottom: 1px solid var(--stpnc-border);
  background: rgba(255,255,255,.03);
}
.site-header__inner{
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
}
.site-brand{
  display:flex;
  align-items:center;
  gap: 10px;
}
.site-title{
  color: var(--stpnc-text);
  text-decoration:none;
  font-weight: 800;
  letter-spacing: .2px;
}
.site-nav ul{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  gap: 12px;
}
.site-nav a{
  color: var(--stpnc-muted);
  text-decoration:none;
  font-weight: 600;
  font-size: 14px;
}
.site-nav a:hover{ color: var(--stpnc-text); }

.site-main{
  max-width: 1100px;
  margin: 0 auto;
  padding: 22px 18px 36px;
}

.content-wrap .post{
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border: 1px solid var(--stpnc-border);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,.45);
}
.post-title{
  margin:0;
  padding: 16px 18px;
  border-bottom: 1px solid var(--stpnc-border);
}
.post-content{
  padding: 18px;
}

.site-footer{
  border-top: 1px solid var(--stpnc-border);
  background: rgba(255,255,255,.02);
}
.site-footer__inner{
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 18px;
  color: var(--stpnc-muted);
  font-size: 12px;
}

/* Converter app */
.stpnc-card{
  width: 100%;
}
.stpnc-card__header{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 14px;
  flex-wrap: wrap;
  padding: 0 0 16px 0;
}
.stpnc-h1{
  font-size: 18px;
  font-weight: 900;
  letter-spacing: .2px;
}
.stpnc-sub{
  margin-top: 6px;
  color: var(--stpnc-muted);
  font-size: 13px;
}
.stpnc-actions{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content:flex-end;
}

.stpnc-btn{
  appearance:none;
  border:1px solid var(--stpnc-border);
  background: rgba(255,255,255,.06);
  color: var(--stpnc-text);
  padding: 10px 12px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 700;
  font-size: 13px;
  transition: transform .05s ease, background .15s ease, border-color .15s ease;
  user-select:none;
}
.stpnc-btn:hover{ background: rgba(255,255,255,.09); border-color: rgba(255,255,255,.2); }
.stpnc-btn:active{ transform: translateY(1px); }
.stpnc-btn:disabled{ opacity:.55; cursor:not-allowed; }

.stpnc-btn--primary{
  border-color: rgba(77,163,255,.55);
  background: linear-gradient(90deg, rgba(77,163,255,.22), rgba(139,92,255,.18));
}
.stpnc-btn--danger{
  border-color: rgba(255,77,77,.5);
  background: rgba(255,77,77,.12);
}

.stpnc-grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 16px;
}
@media (max-width: 900px){
  .stpnc-grid{ grid-template-columns: 1fr; }
}

.stpnc-panel{
  background: rgba(17,27,46,.7);
  border:1px solid var(--stpnc-border);
  border-radius: 16px;
  padding: 14px;
}

.stpnc-drop{
  border: 1.6px dashed rgba(255,255,255,.22);
  border-radius: 16px;
  padding: 18px;
  text-align:center;
  background: rgba(255,255,255,.03);
  display:flex;
  flex-direction:column;
  gap: 10px;
  align-items:center;
  justify-content:center;
  min-height: 170px;
}
.stpnc-drop strong{ font-size: 14px; }
.stpnc-drop span{ color: var(--stpnc-muted); font-size: 13px; }
.stpnc-row{ display:flex; gap: 10px; flex-wrap: wrap; align-items:center; justify-content:center; }
#stpnc-file{ display:none; }

.stpnc-hint{
  margin-top: 10px;
  color: var(--stpnc-muted);
  font-size: 12px;
  line-height: 1.4;
}

.stpnc-controls{ display:grid; gap: 10px; }
.stpnc-control{
  display:flex;
  gap: 10px;
  align-items:center;
  justify-content:space-between;
  padding: 10px 12px;
  border: 1px solid var(--stpnc-border);
  border-radius: 14px;
  background: rgba(255,255,255,.03);
}
.stpnc-control label{ font-size: 13px; color: var(--stpnc-muted); }
.stpnc-control input, .stpnc-control select{
  width: 160px;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(0,0,0,.15);
  color: var(--stpnc-text);
  outline: none;
}
.stpnc-control select:focus{
  border-color: rgba(77,163,255,.6);
}

.stpnc-list{
  margin-top: 12px;
  display:flex;
  flex-direction:column;
  gap: 8px;
  max-height: 320px;
  overflow:auto;
  padding-right: 4px;
}

.stpnc-item{
  display:flex;
  gap: 10px;
  align-items:center;
  justify-content:space-between;
  padding: 10px 12px;
  border: 1px solid var(--stpnc-border);
  border-radius: 14px;
  background: rgba(255,255,255,.03);
}

.stpnc-meta{
  display:flex;
  flex-direction:column;
  gap: 4px;
  min-width: 0;
}
.stpnc-meta b{
  font-size: 13px;
  overflow:hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 520px;
}
.stpnc-meta small{
  color: var(--stpnc-muted);
  font-size: 12px;
}

.stpnc-status{
  font-size: 12px;
  color: var(--stpnc-muted);
  display:flex;
  gap: 8px;
  align-items:center;
  white-space: nowrap;
}

.stpnc-pill{
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--stpnc-border);
  background: rgba(0,0,0,.15);
  font-weight: 800;
}
.stpnc-pill--tag{ font-weight: 800; }
.stpnc-pill--ok{
  border-color: rgba(91, 222, 160, .5);
  background: rgba(91, 222, 160, .12);
}
.stpnc-pill--err{
  border-color: rgba(255,77,77,.5);
  background: rgba(255,77,77,.12);
}

.stpnc-ellipsis{
  max-width: 240px;
  overflow:hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.stpnc-card__footer{
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--stpnc-border);
  display:flex;
  justify-content:space-between;
  gap: 10px;
  flex-wrap: wrap;
  color: var(--stpnc-muted);
  font-size: 12px;
}

.stpnc-preview{
  width:48px;
  height:48px;
  object-fit:contain;
  background:#fff;
  border-radius:6px;
  padding:4px;
}

/* Modal */
.stpnc-modal{ position:fixed; inset:0; display:none; z-index:9999; }
.stpnc-modal.is-open{ display:block; }
.stpnc-modal__backdrop{ position:absolute; inset:0; background: rgba(0,0,0,.55); }
.stpnc-modal__panel{
  position:relative;
  margin: min(6vh, 60px) auto 0;
  width: min(920px, calc(100% - 24px));
  background: rgba(17,27,46,.98);
  border:1px solid var(--stpnc-border);
  border-radius: 16px;
  box-shadow: 0 24px 80px rgba(0,0,0,.6);
  overflow:hidden;
}
.stpnc-modal__header{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:12px;
  padding: 14px 14px;
  border-bottom: 1px solid var(--stpnc-border);
  background: rgba(255,255,255,.03);
}
.stpnc-modal__title{ font-weight: 900; letter-spacing:.2px; }
.stpnc-modal__subtitle{ color: var(--stpnc-muted); font-size: 12px; margin-top: 4px; }
.stpnc-modal__body{ padding: 14px; }
.stpnc-modal__grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 14px;
}
@media (max-width: 900px){
  .stpnc-modal__grid{ grid-template-columns: 1fr; }
}
.stpnc-modal__preview{
  border:1px solid var(--stpnc-border);
  border-radius: 14px;
  background: rgba(255,255,255,.03);
  padding: 12px;
}
/* #stpnc-modal-img (deprecated) */{
  width:100%;
  height: 360px;
  object-fit: contain;
  background:#fff;
  border-radius: 10px;
  padding: 8px;
}
.stpnc-modal__controls{ display:grid; gap: 10px; }
.stpnc-modal__actions{ display:flex; gap: 10px; flex-wrap:wrap; margin-top: 6px; }

.elegant-logo{
  font-size: 20px;
  font-weight: 900;
  letter-spacing: .6px;
  background: linear-gradient(90deg, #4da3ff, #8b5cff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Elegant brand */
.site-brand{ gap:12px; }
.brand-logo{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
}
.brand-logo__mark{
  width:34px;
  height:34px;
  border-radius:10px;
  border:1px solid var(--stpnc-border);
  background: linear-gradient(135deg, rgba(77,163,255,.35), rgba(139,92,255,.35));
  box-shadow: 0 10px 24px rgba(0,0,0,.35);
  display:grid;
  place-items:center;
  font-weight: 900;
  letter-spacing:.5px;
  color: var(--stpnc-text);
}
.brand-logo__text{
  display:flex;
  flex-direction:column;
  line-height:1.05;
}
.brand-logo__name{
  font-weight: 950;
  letter-spacing:.3px;
  font-size: 15px;
  color: var(--stpnc-text);
}
.brand-logo__tag{
  font-size: 11px;
  color: var(--stpnc-muted);
}

#stpnc-modal-obj{
  width:100%;
  height: 360px;
  background:#fff;
  border-radius: 10px;
  padding: 8px;
}

/* --- Elegant header override --- */
.site-header__inner{ max-width:1100px; margin:0 auto; padding:14px 18px; display:flex; align-items:center; justify-content:space-between; gap:14px; }
.brand-logo{ display:flex; align-items:center; gap:12px; text-decoration:none; }
.brand-logo__mark{
  width:38px; height:38px; border-radius:12px;
  border:1px solid var(--stpnc-border);
  background: linear-gradient(135deg, rgba(77,163,255,.35), rgba(139,92,255,.35));
  box-shadow: 0 12px 28px rgba(0,0,0,.38);
  display:grid; place-items:center; color: var(--stpnc-text);
}
.brand-logo__text{ display:flex; flex-direction:column; line-height:1.05; }
.brand-logo__name{ font-weight: 950; letter-spacing:.3px; font-size:15px; color: var(--stpnc-text); }
.brand-logo__tag{ font-size:11px; color: var(--stpnc-muted); margin-top:3px; }

.site-nav__list{ list-style:none; margin:0; padding:0; display:flex; gap:14px; align-items:center; }
.site-nav__list a{ color: var(--stpnc-muted); text-decoration:none; font-weight:700; font-size:14px; }
.site-nav__list a:hover{ color: var(--stpnc-text); }

/* --- Modal preview iframe --- */
#stpnc-modal-frame{
  width:100%;
  height:360px;
  border:0;
  background:#fff;
  border-radius:10px;
  padding:8px;
}

/* Keep SVG thumbnail previews crisp */
.stpnc-preview{ display:block; }

/* --- Brand logo refinement --- */
.brand-logo{
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
}
.brand-logo__icon{
  width:42px;
  height:42px;
  border-radius:12px;
  border:1px solid var(--stpnc-border);
  background: linear-gradient(135deg, rgba(77,163,255,.25), rgba(139,92,255,.25));
  box-shadow: 0 12px 26px rgba(0,0,0,.35);
  display:flex;
  align-items:center;
  justify-content:center;
  color: var(--stpnc-text);
}
.brand-logo__icon svg{
  opacity:0.95;
}
.brand-logo__name{
  font-size:15px;
  font-weight:900;
  letter-spacing:.3px;
}
.brand-logo__tag{
  font-size:11px;
  color: var(--stpnc-muted);
}

/* --- Logo refinements --- */
.brand-logo__mark{
  position: relative;
  color: var(--stpnc-text);
}
.brand-logo__mark svg{ display:block; }
.brand-logo__name{
  font-size: 16px;
  letter-spacing: .35px;
}
.brand-logo__tag{
  letter-spacing: .2px;
}

#stpnc-toast{ font-size:14px; }

/* Toast notifications */
.stpnc-toast{
  position: sticky;
  top: 10px;
  z-index: 5;
  margin: 0 0 12px 0;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--stpnc-border);
  background: rgba(0,0,0,.22);
  color: var(--stpnc-text);
  font-weight: 700;
  font-size: 13px;
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
}
.stpnc-toast.is-show{ opacity: 1; transform: translateY(0); }
.stpnc-toast.is-error{ border-color: rgba(255,77,77,.55); background: rgba(255,77,77,.14); }
.stpnc-toast.is-ok{ border-color: rgba(91,222,160,.55); background: rgba(91,222,160,.14); }