:root{
  --bg:#0d1115;
  --bg-alt:#161d24;
  --card:#1d242c;
  --card-alt:#232d37;
  --accent:#497bff;
  --accent-hover:#2f67ff;
  --accent-fg:#fff;
  --danger:#ff4d4f;
  --warn:#ffaa2c;
  --ok:#36c275;
  --text:#e6ecf1;
  --text-dim:#8da3b7;
  --radius:15px;
  --focus-ring:0 0 0 2px #fff,0 0 0 4px var(--accent);
  --media-max-h:240px;
  font-family: system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Helvetica,Arial,sans-serif;
}
.light{
  --bg:#f5f7fa;
  --bg-alt:#e9eef3;
  --card:#ffffff;
  --card-alt:#f3f7fb;
  --accent:#255dff;
  --accent-hover:#184de6;
  --accent-fg:#fff;
  --danger:#d7383a;
  --warn:#d98911;
  --ok:#179f53;
  --text:#1f2d37;
  --text-dim:#637583;
  --focus-ring:0 0 0 2px #fff,0 0 0 4px var(--accent);
  color-scheme:light;
}
*{box-sizing:border-box;}
body{
  margin:0;
  background:linear-gradient(145deg,var(--bg) 0%,var(--bg-alt) 120%);
  color:var(--text);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
a{color:var(--accent);text-decoration:none;}
a:hover{color:var(--accent-hover);}

header{padding:28px 18px 28px;text-align:center;}
h1{margin:0;font-size:clamp(1.6rem,3vw,2.15rem);letter-spacing:.5px;font-weight:700;padding-bottom: 30px;padding-top: 30px;}

.container{width:100%;max-width:1050px;margin:0 auto 60px;padding:0 18px 40px;}

#controls{
  background:var(--card);
  border:1px solid #0006;
  padding:18px 18px 22px;
  border-radius:var(--radius);
  position:relative;
  box-shadow:0 6px 24px -10px #000c;
}

form{display:flex;gap:12px;flex-wrap:wrap;margin:0;}

input[type=url]{
  flex:1 1 380px;
  padding:15px 16px;
  border:1px solid #27323c;
  border-radius:12px;
  background:var(--card-alt);
  color:var(--text);
  font-size:15px;
  line-height:1.2;
  transition:.15s border,.15s background;
}
input[type=url]:focus{outline:none;border-color:var(--accent);box-shadow:var(--focus-ring);}

button,.btn{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:600;font-size:14px;padding:14px 22px;
  border-radius:12px;border:none;cursor:pointer;
  background:var(--accent);color:var(--accent-fg);
  letter-spacing:.3px;transition:background .15s,transform .15s;
  text-decoration:none;
}
button:hover,.btn:hover{background:var(--accent-hover);}
button:active,.btn:active{transform:translateY(1px);}
button:disabled{opacity:.55;cursor:not-allowed;}

/* NEW fixed theme toggle (moved outside #controls) */
#themeToggle{
  position:fixed;
  top:14px;
  right:16px;
  z-index:120;
  background:var(--card-alt);
  padding:8px 14px;
  font-size:12px;
  border-radius:30px;
  border:1px var(--text-dim);
  color:var(--text-dim);
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  gap:6px;
  box-shadow:0 4px 18px -6px #00000026;
  backdrop-filter:blur(6px);
}
#themeToggle:hover{color:var(--text);background:#2a333d;}

.status-bar{margin-top:14px;font-size:13px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;min-height:24px;}
.badge{
  display:inline-flex;align-items:center;padding:4px 10px 5px;
  font-size:12px;font-weight:600;border-radius:24px;
  background:#2b3641;color:var(--text-dim);gap:4px;line-height:1.1;
}
.badge.ok{background:var(--ok);color:#fff;}
.badge.err{background:var(--danger);color:#fff;}
.badge.warn{background:var(--warn);color:#111;}
.badge.dim{background:#2b3641;color:var(--text-dim);}

.grid{
  margin-top:26px;
  display:grid;
  gap:18px;
  grid-template-columns:repeat(auto-fit,minmax(210px,1fr));
  align-items:start;
}

.card{
  background:var(--card);
  border:1px solid #0007;
  border-radius:18px;
  padding:12px 14px 14px;
  display:flex;
  flex-direction:column;
  position:relative;
  overflow:hidden;
  box-shadow:0 6px 18px -10px #000d;
}
.card::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(120deg,#ffffff05,#ffffff00 40%,#ffffff08 60%,#ffffff00 80%);
  opacity:0;pointer-events:none;transition:.6s;
}
.card:hover::before{opacity:1;}

.card h3{
  margin:0 0 8px;
  font-size:14px;
  letter-spacing:.4px;
  font-weight:600;
  display:flex;
  align-items:center;
  gap:6px;
  color:var(--text);
}

.media-box{
  position:relative;
  border-radius:14px;
  overflow:hidden;
  background:#000;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:8px;
  width:100%;
  aspect-ratio: var(--ar, 9 / 16);
  max-height:var(--media-max-h);
}
.media-box video,
.media-box img{
  width:100%;
  height:100%;
  object-fit:contain;
  display:block;
  background:#000;
}

.media-box .expand-btn{
  position:absolute;
  bottom:8px;
  right:8px;
  background:#000a;
  color:#fff;
  font-size:11px;
  font-weight:600;
  padding:6px 10px;
  border-radius:20px;
  opacity:0;
  transform:translateY(4px);
  transition:.2s;
  backdrop-filter:blur(4px);
  cursor:pointer;
  border:1px solid #ffffff22;
}
.media-box:hover .expand-btn{opacity:1;transform:translateY(0);}

.actions{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  margin-top:2px;
}
.actions .sm{
  padding:8px 14px;
  font-size:12px;
  border-radius:8px;
  background:var(--card-alt);
  color:var(--text-dim);
  border:1px solid #27323c;
  font-weight:600;
}
.actions .sm:hover{color:var(--text);background:#2a333d;}
.actions .primary{background:var(--accent);color:var(--accent-fg);border:none;}
.actions .primary:hover{background:var(--accent-hover);}
.actions .ghost{background:#27323c;color:var(--text-dim);}
.actions .ghost:hover{color:var(--text);}

.url-wrap{
  margin-top:6px;
  font-size:10.8px;
  line-height:1.4;
  color:var(--text-dim);
  word-break:break-all;
  position:relative;
}
.url-wrap.collapsed .full{display:none;}
.url-wrap:not(.collapsed) .short{display:none;}
.toggle-url{
  cursor:pointer;
  color:var(--accent);
  font-weight:600;
  font-size:10px;
  padding:2px 5px;
  border-radius:5px;
  background:var(--card-alt);
  display:inline-block;
  margin-top:3px;
}
.toggle-url:hover{background:#2a333d;}

.error-card{
  grid-column:1 / -1;
  background:var(--card);
  padding:26px 24px;
  border-radius:20px;
  text-align:center;
  border:1px solid #0009;
}
.error-card h2{margin:0 0 14px;font-size:20px;}
.error-card p{margin:0 0 10px;font-size:14px;color:var(--text-dim);}

.skeleton{position:relative;overflow:hidden;background:linear-gradient(90deg,#2a333d 0%,#3a4652 50%,#2a333d 100%);background-size:200% 100%;animation:shimmer 1.3s linear infinite;}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}
.card.skel *{visibility:hidden;}

#toast{
  position:fixed;
  left:50%;
  bottom:24px;
  transform:translateX(-50%) translateY(50px);
  background:var(--card);
  padding:11px 16px;
  border-radius:50px;
  font-size:12.5px;
  font-weight:600;
  color:var(--text);
  opacity:0;
  box-shadow:0 10px 30px -12px #000d;
  transition:.35s;
  pointer-events:none;
  border:1px solid #0007;
  z-index:99;
}
#toast.show{transform:translateX(-50%) translateY(0);opacity:1;}

#metaArea{display:none;} /* Dev only */

footer{margin-top:auto;padding:28px 0 34px;text-align:center;font-size:12px;color:var(--text-dim);opacity:.7;}
footer a{color:var(--text-dim);}
.notice{margin-top:26px;font-size:11px;letter-spacing:.3px;color:var(--text-dim);text-align:center;line-height:1.45;}

.fade-in{animation:fadeIn .45s ease;}
@keyframes fadeIn{0%{opacity:0;transform:translateY(6px);}100%{opacity:1;transform:translateY(0);}}

.badge.inline{font-size:10px;padding:3px 8px;line-height:1;border-radius:14px;background:#2b3641;color:var(--text-dim);}
.badge.inline.signed{background:linear-gradient(135deg,#497bff,#6d9dff);color:#fff;}
.dual-url-label{font-size:9.5px;font-weight:600;opacity:.55;margin-right:4px;text-transform:uppercase;letter-spacing:.5px;}

@media (max-width:520px){
  .actions{gap:6px;}
  /* Only form/action buttons go full width */
  #controls button,
  #controls .btn { width:100%; justify-content:center; }

  header{padding:6px 14px 6px;}
  #controls{padding:16px 14px 20px;}
  :root{--media-max-h:300px;}
  #themeToggle{top:10px;right:10px;padding:7px 12px;}
}


/* Simple modal for enlarge */
#modalOverlay{
  position:fixed;inset:0;display:none;align-items:center;justify-content:center;
  background:#000c;backdrop-filter:blur(4px);z-index:120;
  padding:30px;
}
#modalOverlay.open{display:flex;}
#modalOverlay .modal-inner{
  max-width:min(90vw,480px);
  width:100%;
  background:#111;
  border:1px solid #222;
  border-radius:18px;
  padding:14px 14px 18px;
  box-shadow:0 12px 40px -10px #000;
  display:flex;
  flex-direction:column;
  gap:10px;
}
#modalOverlay video{width:100%;height:auto;border-radius:14px;background:#000;}
#modalOverlay button.close{
  align-self:flex-end;
  background:#222;
  border:1px solid #333;
  padding:6px 12px;
  font-size:12px;
  border-radius:8px;
  cursor:pointer;
  color:#eee;
}
#modalOverlay button.close:hover{background:#2c2c2c;}

/* --- Informational Content Area --- */
#infoSections{
  margin-top:48px;
  display:flex;
  flex-direction:column;
  gap:34px;
}

.info-nav{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  font-size:12.5px;
}
.info-nav a{
  background:var(--card);
  border:1px solid #0007;
  padding:8px 14px;
  border-radius:24px;
  color:var(--text-dim);
  text-decoration:none;
  transition:.15s background,.15s color;
}
.info-nav a:hover{background:var(--card-alt);color:var(--text);}

.info-section{
  background:var(--card);
  border:1px solid #0006;
  padding:24px 26px 26px;
  border-radius:20px;
  box-shadow:0 6px 20px -12px #000c;
}

.info-section h2{
  margin:0 0 14px;
  font-size:1.35rem;
  letter-spacing:.4px;
}

.info-section h3{
  margin:26px 0 12px;
  font-size:1.05rem;
  letter-spacing:.3px;
}

.info-section p{
  margin:0 0 14px;
  line-height:1.55;
  font-size:.93rem;
  color:var(--text-dim);
}

.info-section ul{
  margin:0 0 18px 20px;
  padding:0;
  line-height:1.5;
  font-size:.9rem;
  color:var(--text-dim);
}

details.faq-item{
  background:var(--card-alt);
  border:1px solid #27323c;
  border-radius:14px;
  padding:12px 16px 14px;
  margin:0 0 12px;
  transition:.2s border,.2s background;
}
details.faq-item[open]{background:#2a333d;border-color:var(--accent);}
details.faq-item summary{
  cursor:pointer;
  list-style:none;
  font-weight:600;
  position:relative;
  font-size:.95rem;
  color:var(--text);
}
details.faq-item summary::-webkit-details-marker{display:none;}
details.faq-item summary:after{
  content:"+";
  position:absolute;
  right:0;
  top:0;
  font-weight:600;
  transition:transform .25s;
}
details.faq-item[open] summary:after{transform:rotate(45deg);}
details.faq-item .faq-body{
  margin-top:10px;
  font-size:.88rem;
  color:var(--text-dim);
  line-height:1.55;
}

.read-more-wrap{
  max-height:340px;
  overflow:hidden;
  position:relative;
  transition:max-height .5s ease;
}
.read-more-wrap.expanded{max-height:2000px;}
.read-more-fade{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:70px;
  background:linear-gradient(to bottom,rgba(13,17,21,0),var(--card));
  pointer-events:none;
  transition:.35s opacity;
}
.read-more-wrap.expanded .read-more-fade{opacity:0;}
.read-more-btn{
  display:inline-block;
  margin-top:12px;
  padding:10px 18px;
  font-size:.8rem;
  font-weight:600;
  background:var(--accent);
  color:var(--accent-fg);
  border-radius:22px;
  border:none;
  cursor:pointer;
  letter-spacing:.5px;
}
.read-more-btn:hover{background:var(--accent-hover);}

@media (max-width:640px){
  .info-section{padding:20px 18px 24px;}
  #infoSections{gap:28px;}
}


html {
  scroll-behavior: smooth;
}

/* Prevent target headings from being hidden under top spacing */
.info-section {
  scroll-margin-top: 80px;  /* adjust if you change header height */
}

.benefits{
  list-style:none;
  margin:18px 0 6px;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  font-size:13px;
  color:var(--text-dim);
}
.benefits li{background:var(--card);padding:8px 12px;border:1px solid #0006;border-radius:30px;}
@media (max-width:600px){ .benefits{font-size:12px;gap:8px;} .benefits li{padding:6px 10px;} }