:root {
  --bg: #0b0e1a;
  --bg-2: #10142a;
  --card: #12162b;
  --card-2: #0e1224;
  --border: #232a49;
  --border-2: #2e3760;
  --text: #eaf0ff;
  --muted: #8b96b8;
  --muted-2: #5c688f;
  --primary: #765bff;
  --primary-2: #5d8dff;
  --cyan: #22d3ee;
  --violet: #a855f7;
  --green: #34d399;
  --amber: #fbbf24;
  --red: #f87171;
  --grad: linear-gradient(90deg, #765bff, #5d8dff);
  --grad-hot: linear-gradient(90deg, #a855f7, #22d3ee);
  --radius: 16px;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --sans: 'DM Sans', system-ui, sans-serif;
  --disp: 'Space Grotesk', system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ===== background layers ===== */
.bg-grid {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(1000px 600px at 15% -10%, rgba(118,91,255,0.14), transparent 60%),
    radial-gradient(900px 500px at 90% 0%, rgba(34,211,238,0.10), transparent 55%),
    repeating-linear-gradient(135deg, rgba(255,255,255,0.02) 0 2px, transparent 2px 34px),
    repeating-linear-gradient(45deg, rgba(255,255,255,0.015) 0 2px, transparent 2px 34px);
}

/* floating blobs */
.blobs { position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.blob { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.5; will-change: transform; }
.blob-1 { width: 420px; height: 420px; background: rgba(168,85,247,0.22); top: -120px; left: -80px; animation: float1 22s ease-in-out infinite; }
.blob-2 { width: 360px; height: 360px; background: rgba(34,211,238,0.18); top: 30%; right: -120px; animation: float2 26s ease-in-out infinite; }
.blob-3 { width: 300px; height: 300px; background: rgba(118,91,255,0.20); bottom: -100px; left: 30%; animation: float3 30s ease-in-out infinite; }
@keyframes float1 { 0%,100% { transform: translate(0,0) scale(1); } 33% { transform: translate(70px,50px) scale(1.12); } 66% { transform: translate(-30px,90px) scale(0.94); } }
@keyframes float2 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-80px,-60px) scale(1.15); } }
@keyframes float3 { 0%,100% { transform: translate(0,0) scale(1); } 40% { transform: translate(60px,-70px) scale(1.1); } 75% { transform: translate(-50px,-20px) scale(0.9); } }

.wrap { max-width: 980px; margin: 0 auto; padding: 0 20px; }

/* ===== header ===== */
.site-header {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(14px) saturate(1.2);
  background: rgba(11,14,26,0.7);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo {
  width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center;
  background: var(--grad-hot); font-family: var(--disp); font-weight: 700; font-size: 20px; color: #fff;
  box-shadow: 0 6px 20px rgba(168,85,247,0.4);
  animation: logo-pulse 3s ease-in-out infinite;
}
@keyframes logo-pulse {
  0%,100% { box-shadow: 0 6px 20px rgba(168,85,247,0.4), 0 0 0 0 rgba(168,85,247,0.3); }
  50% { box-shadow: 0 6px 26px rgba(168,85,247,0.55), 0 0 0 8px rgba(168,85,247,0); }
}
.brand-name { font-family: var(--disp); font-weight: 700; font-size: 18px; letter-spacing: 0.02em; }
.brand-sub { font-size: 10px; text-transform: uppercase; letter-spacing: 0.18em; color: var(--muted-2); margin-top: -2px; }
.brand-badge {
  font-size: 12px; font-weight: 600; color: var(--cyan);
  border: 1px solid rgba(34,211,238,0.3); background: rgba(34,211,238,0.07);
  padding: 5px 12px; border-radius: 99px;
  animation: badge-glow 3s ease-in-out infinite;
}
@keyframes badge-glow { 0%,100% { box-shadow: 0 0 0 0 rgba(34,211,238,0.0); } 50% { box-shadow: 0 0 18px rgba(34,211,238,0.25); } }

/* ===== hero ===== */
.hero { padding: 48px 0 26px; text-align: center; animation: fade-up .7s ease both; }
.hero-title {
  font-family: var(--disp); font-size: clamp(28px, 5.5vw, 46px); font-weight: 700;
  margin: 0 0 12px; letter-spacing: -0.01em; animation: fade-up .7s ease .08s both;
}
.grad {
  background: linear-gradient(90deg, #a855f7, #22d3ee, #a855f7);
  background-size: 200% auto;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: shimmer 5s linear infinite;
}
@keyframes shimmer { to { background-position: 200% center; } }
.hero-sub { color: var(--muted); max-width: 640px; margin: 0 auto; font-size: 16px; animation: fade-up .7s ease .16s both; }

@keyframes fade-up { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: translateY(0); } }

/* ===== reveal on scroll ===== */
[data-reveal] { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
[data-reveal].revealed { opacity: 1; transform: translateY(0); }

/* ===== cards ===== */
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; margin-bottom: 18px; box-shadow: 0 8px 30px rgba(0,0,0,0.25);
  transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}
.card:hover { border-color: var(--border-2); box-shadow: 0 12px 40px rgba(0,0,0,0.35); }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.card-title { font-family: var(--disp); font-size: 18px; font-weight: 700; margin: 0; }
.opt-tag { font-size: 11px; font-weight: 600; color: var(--amber); border: 1px solid rgba(251,191,36,0.3); background: rgba(251,191,36,0.08); padding: 2px 8px; border-radius: 6px; vertical-align: middle; }
.muted { color: var(--muted); }
.muted.small { font-size: 12px; }
.meta-chip {
  font-family: var(--mono); font-size: 12px; color: var(--muted);
  background: var(--card-2); border: 1px solid var(--border); padding: 6px 12px; border-radius: 8px;
  transition: color .2s, border-color .2s;
}
.meta-chip b { color: var(--primary-2); }

/* ===== dropzone ===== */
.dropzone {
  border: 2px dashed var(--border-2); border-radius: 14px; padding: 40px 20px;
  text-align: center; cursor: pointer; transition: all .2s ease; background: var(--card-2);
  position: relative; overflow: hidden;
}
.dropzone::after {
  content: ''; position: absolute; inset: -1px; border-radius: 14px; opacity: 0;
  background: linear-gradient(90deg, var(--violet), var(--cyan), var(--violet));
  background-size: 300% auto; z-index: -1; transition: opacity .25s;
}
.dropzone:hover, .dropzone:focus, .dropzone.drag {
  border-color: var(--violet); background: rgba(118,91,255,0.06);
}
.dropzone.drag { transform: scale(1.01); }
.dropzone.drag::after { opacity: 1; animation: shimmer 1.6s linear infinite; }
.dropzone svg { color: var(--violet); margin-bottom: 10px; transition: transform .25s ease; }
.dropzone:hover svg, .dropzone.drag svg { transform: translateY(-4px); }
.dz-title { font-weight: 600; font-size: 16px; }
.dz-sub { color: var(--muted); font-size: 13px; margin-top: 4px; }
.link { color: var(--primary-2); font-weight: 600; }

/* ===== file list ===== */
.file-list { list-style: none; margin: 16px 0 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.file-item {
  display: flex; align-items: center; gap: 12px; background: var(--card-2);
  border: 1px solid var(--border); border-radius: 10px; padding: 10px 14px;
  animation: slide-in .35s ease both;
}
@keyframes slide-in { from { opacity: 0; transform: translateX(-14px); } to { opacity: 1; transform: translateX(0); } }
.file-item .fi-icon { width: 34px; height: 34px; border-radius: 8px; display: grid; place-items: center; background: var(--grad); color: #fff; flex-shrink: 0; }
.file-item .fi-name { font-weight: 600; font-size: 14px; word-break: break-all; }
.file-item .fi-meta { font-size: 12px; color: var(--muted-2); font-family: var(--mono); }
.file-item .fi-wave { flex: 1; min-width: 120px; height: 34px; }
.file-item .fi-wave canvas { width: 100%; height: 34px; display: block; }
.file-item .fi-x { margin-left: auto; background: none; border: none; color: var(--muted); cursor: pointer; font-size: 18px; padding: 4px 8px; border-radius: 6px; transition: all .15s; }
.file-item .fi-x:hover { color: var(--red); background: rgba(248,113,113,0.1); transform: scale(1.1); }

/* ===== fields ===== */
.field { margin-bottom: 18px; }
.label { display: block; font-weight: 600; font-size: 13px; margin-bottom: 8px; color: var(--text); }
.label-row { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.label-row .label { margin-bottom: 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .grid-2 { grid-template-columns: 1fr; } }

/* ===== segmented control ===== */
.seg { display: inline-flex; background: var(--card-2); border: 1px solid var(--border); border-radius: 10px; padding: 4px; gap: 4px; flex-wrap: wrap; }
.seg-btn {
  border: none; background: transparent; color: var(--muted); cursor: pointer;
  padding: 8px 14px; border-radius: 7px; font-family: var(--sans); font-size: 13px; font-weight: 600;
  transition: all .18s ease; display: inline-flex; align-items: center; gap: 6px; position: relative;
}
.seg-btn:hover { color: var(--text); }
.seg-btn.active { background: var(--grad); color: #fff; box-shadow: 0 4px 14px rgba(118,91,255,0.4); animation: seg-pop .25s ease; }
@keyframes seg-pop { 0% { transform: scale(0.92); } 60% { transform: scale(1.04); } 100% { transform: scale(1); } }
.seg-hint { font-size: 10px; font-weight: 500; opacity: 0.75; }

/* ===== chips ===== */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.chip {
  border: 1px solid var(--border); background: var(--card-2); color: var(--muted);
  padding: 7px 13px; border-radius: 99px; cursor: pointer; font-size: 13px; font-weight: 600; font-family: var(--mono);
  transition: all .18s ease;
}
.chip:hover { border-color: var(--border-2); color: var(--text); transform: translateY(-1px); }
.chip.active { background: var(--grad); border-color: transparent; color: #fff; box-shadow: 0 4px 14px rgba(118,91,255,0.4); animation: seg-pop .25s ease; }

/* ===== sliders ===== */
.slider-row { display: flex; align-items: center; gap: 14px; }
input[type="range"] { flex: 1; -webkit-appearance: none; height: 6px; border-radius: 99px; background: var(--border); outline: none; transition: background .2s; }
input[type="range"]:hover { background: var(--border-2); }
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 20px; height: 20px; border-radius: 50%;
  background: var(--grad); cursor: pointer; border: 3px solid #fff; box-shadow: 0 2px 8px rgba(0,0,0,0.4);
  transition: transform .15s;
}
input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.15); }
.val { font-family: var(--mono); font-size: 13px; color: var(--primary-2); min-width: 64px; text-align: right; font-weight: 700; }

input[type="number"], input[type="text"], input[type="password"] {
  width: 100%; background: var(--card-2); border: 1px solid var(--border); color: var(--text);
  padding: 10px 14px; border-radius: 10px; font-family: var(--mono); font-size: 14px; outline: none;
  transition: border .15s ease, box-shadow .15s ease;
}
input[type="number"]:focus, input[type="text"]:focus, input[type="password"]:focus {
  border-color: var(--violet); box-shadow: 0 0 0 3px rgba(168,85,247,0.15);
}
input[type="number"] { max-width: 140px; }

/* ===== action bar / buttons ===== */
.action-bar { display: flex; align-items: center; gap: 16px; margin: 6px 0 18px; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 9px; border: none; cursor: pointer;
  background: var(--grad); background-size: 200% auto; color: #fff;
  font-family: var(--disp); font-weight: 700; font-size: 15px;
  padding: 13px 26px; border-radius: 12px; box-shadow: 0 8px 26px rgba(118,91,255,0.4);
  transition: all .2s ease; position: relative;
}
.btn-primary:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(118,91,255,0.55); background-position: right center; }
.btn-primary:active:not(:disabled) { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.4; cursor: not-allowed; box-shadow: none; }
.btn-primary.busy { opacity: 1; cursor: progress; }

.spinner {
  width: 16px; height: 16px; border: 2px solid rgba(255,255,255,0.35);
  border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.process-status { color: var(--muted); font-size: 13px; font-family: var(--mono); }

.btn-ghost { background: none; border: 1px solid var(--border); color: var(--muted); padding: 8px 14px; border-radius: 9px; cursor: pointer; font-size: 13px; font-weight: 600; font-family: var(--mono); transition: all .18s; }
.btn-ghost:hover { border-color: var(--violet); color: var(--text); transform: translateY(-1px); }
.btn-copy { background: var(--card-2); border: 1px solid var(--border); color: var(--muted); padding: 6px 11px; border-radius: 8px; cursor: pointer; font-size: 12px; font-weight: 600; font-family: var(--mono); transition: all .18s; }
.btn-copy:hover { border-color: var(--primary-2); color: var(--text); transform: translateY(-1px); }
.btn-copy:active { transform: scale(0.96); }
.btn-up { background: rgba(34,211,238,0.1); border: 1px solid rgba(34,211,238,0.35); color: var(--cyan); padding: 6px 12px; border-radius: 8px; cursor: pointer; font-size: 12px; font-weight: 700; font-family: var(--mono); transition: all .18s; }
.btn-up:hover:not(:disabled) { background: rgba(34,211,238,0.18); transform: translateY(-1px); }
.btn-up:disabled { opacity: 0.4; cursor: not-allowed; }

/* ===== results ===== */
.results { display: flex; flex-direction: column; gap: 14px; }
.result-group { border: 1px solid var(--border); border-radius: 12px; overflow: hidden; animation: fade-up .45s ease both; }
.rg-head { display: flex; align-items: center; gap: 12px; padding: 12px 16px; background: var(--card-2); flex-wrap: wrap; }
.rg-name { font-weight: 700; font-size: 14px; word-break: break-all; }
.rg-badges { display: flex; gap: 6px; flex-wrap: wrap; }
.badge { font-family: var(--mono); font-size: 11px; padding: 3px 9px; border-radius: 6px; border: 1px solid var(--border); color: var(--muted); }
.badge.ok { color: var(--green); border-color: rgba(52,211,153,0.35); }
.badge.warn { color: var(--amber); border-color: rgba(251,191,36,0.35); }
.rg-parts { display: flex; flex-direction: column; gap: 8px; padding: 12px 16px; }
.part-row { display: flex; align-items: center; gap: 12px; background: var(--bg-2); border: 1px solid var(--border); border-radius: 10px; padding: 9px 12px; flex-wrap: wrap; transition: border-color .2s; }
.part-row:hover { border-color: var(--border-2); }
.part-row .p-name { font-family: var(--mono); font-size: 13px; font-weight: 600; word-break: break-all; }
.part-row .p-meta { font-size: 11px; color: var(--muted-2); font-family: var(--mono); }
.part-row .p-actions { margin-left: auto; display: flex; gap: 6px; flex-wrap: wrap; }
.part-row audio { width: 100%; height: 34px; margin-top: 4px; }

/* ===== roblox form ===== */
.roblox-form { margin-top: 12px; }

/* ===== footer ===== */
.site-footer { padding: 26px 0 50px; color: var(--muted); font-size: 13px; border-top: 1px solid var(--border); margin-top: 10px; }
.site-footer p { margin: 4px 0; }

/* ===== toast ===== */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--card-2); border: 1px solid var(--border-2); color: var(--text);
  padding: 12px 20px; border-radius: 12px; font-size: 14px; font-weight: 600; z-index: 99;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4); max-width: 90vw; text-align: center;
  animation: toast-in .25s cubic-bezier(.2,.9,.3,1.2);
}
.toast.err { border-color: rgba(248,113,113,0.5); color: var(--red); }
.toast.ok { border-color: rgba(52,211,153,0.5); color: var(--green); }
@keyframes toast-in { from { opacity: 0; transform: translate(-50%, 14px) scale(0.94); } to { opacity: 1; transform: translate(-50%, 0) scale(1); } }

/* ===== status ===== */
.status { font-family: var(--mono); font-size: 11px; padding: 3px 9px; border-radius: 6px; border: 1px solid var(--border); color: var(--muted); }
.status.done { color: var(--green); border-color: rgba(52,211,153,0.35); }
.status.err { color: var(--red); border-color: rgba(248,113,113,0.35); }
.status.busy { color: var(--amber); border-color: rgba(251,191,36,0.35); }
.assetid { font-family: var(--mono); font-size: 12px; color: var(--cyan); }

/* ===== reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001s !important; animation-iteration-count: 1 !important; transition-duration: 0.001s !important; }
  [data-reveal] { opacity: 1; transform: none; }
}