:root {
  --bg: #06110b;
  --panel: #0a1811cc; /* glass */
  --accent: #00ff6a;
  --text: #c8fdd8;
  --muted: #78c59a;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, Segoe UI, system-ui, -apple-system, Roboto, Arial, sans-serif;
  background: linear-gradient(120deg, #07140d, #0b1f16 40%, #091a13 70%);
  background-size: 200% 200%;
  animation: bg-shift 16s ease-in-out infinite;
  color: var(--text);
  scroll-behavior: smooth;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 22px;
  border-bottom: 1px solid #113420;
  background: #08150ee6;
  backdrop-filter: saturate(130%) blur(8px);
  position: sticky;
  top: 0;
  z-index: 50;
}
.brand { color: var(--accent); font-weight: 700; letter-spacing: 0.5px; }
.status { color: var(--muted); }

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; padding: 18px; }
.panel { background: var(--panel); border: 1px solid #113420; padding: 18px; border-radius: 14px; box-shadow: 0 10px 30px #00000055; backdrop-filter: blur(10px); }
.panel h2 { margin: 0 0 12px; color: var(--accent); letter-spacing: 1px; }

.dropzone { position: relative; border: 1px dashed #155c33; border-radius: 12px; padding: 24px; text-align: center; color: var(--muted); transition: transform .2s ease, box-shadow .2s ease; }
.dropzone.small { padding: 18px; }
.dz-icon { font-size: 40px; margin-bottom: 6px; color: var(--accent); animation: pulse 2.2s ease-in-out infinite; }
.dz-title { font-weight: 700; color: var(--text); }
.dz-sub { font-size: 12px; margin-top: 4px; }
.dz-status { margin-top: 10px; color: var(--accent); }
.dropzone input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
/* Glow on hover/drag */
.dropzone:hover { transform: translateY(-2px); box-shadow: 0 12px 28px #00000070; }

.row { display: grid; grid-template-columns: 220px 1fr 140px; gap: 10px; align-items: center; margin-top: 14px; }
label { color: var(--muted); }
input[type="text"], input[type="url"] { background: #0c1c13; border: 1px solid #134928; border-radius: 8px; color: var(--text); padding: 10px; }
button { background: #0f2718; border: 1px solid #1b6b3d; color: var(--accent); padding: 10px 14px; border-radius: 10px; cursor: pointer; transition: transform .15s ease, box-shadow .15s ease, background .15s ease; }
button:hover { transform: translateY(-1px); box-shadow: 0 8px 18px #00000055; background: #12321f; }
button[disabled] { opacity: 0.5; cursor: not-allowed; }

.field { margin-bottom: 12px; }
.hint { font-size: 12px; color: var(--muted); margin-top: 4px; }
.upload { margin: 12px 0; }
.features { margin-top: 10px; display: grid; gap: 6px; }
.actions { margin-top: 12px; }
.note { color: #ffb37c; margin-top: 8px; }

.foot { text-align: center; color: var(--muted); padding: 10px 0 20px; }
.row-compact { display: flex; gap: 16px; align-items: center; }
button + button { margin-left: 10px; }

input[type="color"] {
  width: 48px; height: 32px; padding: 0; border: 1px solid #134928; border-radius: 6px; background: #0c1c13;
}

.field.inline { display: grid; grid-template-columns: 180px 1fr 60px; align-items: center; gap: 8px; }
input[type="range"] { accent-color: var(--accent); }

/* Animations */
@keyframes pulse { 0%, 100% { opacity: .85; transform: scale(1); } 50% { opacity: 1; transform: scale(1.06); } }
@keyframes bg-shift { 0%{ background-position: 0% 50%; } 50%{ background-position: 100% 50%; } 100%{ background-position: 0% 50%; } }

/* Modern scrollbar */
/* WebKit */
::-webkit-scrollbar { width: 12px; height: 12px; }
::-webkit-scrollbar-track { background: #0b1a13; }
::-webkit-scrollbar-thumb { background: linear-gradient(180deg, var(--accent), #0ac46b); border-radius: 10px; border: 2px solid #0b1a13; }
::-webkit-scrollbar-thumb:hover { background: linear-gradient(180deg, #26ff9a, #00c16e); }
/* Firefox */
* { scrollbar-width: thin; scrollbar-color: var(--accent) #0b1a13; }