:root {
  --bg-1: #05080f;
  --bg-2: #0a1324;
  --fg: #ffffff;
  --muted: #aab6ce;
  --accent: #5fd4ff;
  --ease: cubic-bezier(.22,.61,.36,1);
  --electric: #2764ff;
  --violet: #8a44ff;
  --navy: #0b1030;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
html { color-scheme: dark; background-color: #0a0f1a; }

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--fg);
  background: radial-gradient(1100px 700px at 20% 10%, #0e1a36 0%, transparent 55%),
              radial-gradient(900px 700px at 80% 80%, #0a142a 0%, transparent 60%),
              linear-gradient(135deg, var(--bg-1), var(--bg-2));
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.bg::before {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(1200px 800px at 20% 20%, rgba(95, 212, 255, 0.10), transparent 60%),
              radial-gradient(900px 600px at 80% 80%, rgba(138, 68, 255, 0.12), transparent 62%);
  pointer-events: none;
  animation: bg-shift 24s var(--ease) infinite alternate;
}

.shell {
  display: grid;
  place-items: center;
  min-height: 100svh;
  padding: calc(24px + env(safe-area-inset-top)) 16px calc(24px + env(safe-area-inset-bottom));
}

.frame {
  width: min(100%, 420px);
  aspect-ratio: 9 / 16;
  max-height: 92svh;
  display: flex;
  flex-direction: column;
  gap: 16px;
  border-radius: 28px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: saturate(160%) blur(22px);
  -webkit-backdrop-filter: saturate(160%) blur(22px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  animation: fade-up 600ms var(--ease) both;
}

.profile {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 6px 6px 12px;
}

.glass-nav {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: center;
  gap: 2px;
  padding: 10px;
  margin: 2px 0 10px;
  border-radius: 30px;
  background: linear-gradient(180deg, rgba(12,14,22,0.75), rgba(8,10,16,0.55));
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  box-shadow: 0 12px 30px rgba(0,0,0,0.45), inset 0 0 0 1px rgba(255,255,255,0.08);
}

.nav-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 22px;
  color: var(--fg);
  text-decoration: none;
  transition: background 180ms var(--ease), transform 180ms var(--ease), box-shadow 180ms var(--ease);
}

.nav-item:hover { background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02)); }
.nav-icon { display: grid; place-items: center; color: #cfe6ff; }
.nav-label { font-size: 12px; }

.avatar {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  overflow: hidden;
  display: grid;
  place-items: center;
  background: linear-gradient(180deg, rgba(20,24,36,0.55), rgba(12,16,24,0.35));
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.55), inset 0 1px 0 rgba(255,255,255,0.10);
  position: relative;
  animation: float 6s ease-in-out infinite;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(120%) contrast(105%) brightness(104%);
}

.avatar::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(140% 120% at 8% 0%, rgba(255,255,255,0.55) 0%, rgba(255,255,255,0.10) 45%),
              radial-gradient(120% 160% at 95% 100%, rgba(255,255,255,0.35) 0%, rgba(255,255,255,0.05) 60%);
  mix-blend-mode: screen;
  pointer-events: none;
}

.avatar::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.20), inset 0 -1px 0 rgba(255,255,255,0.08);
  pointer-events: none;
}

.meta h1 { font-size: 20px; line-height: 1.2; margin: 0; }
.meta p { margin: 2px 0 0; color: var(--muted); font-size: 13px; }

.links { display: grid; grid-auto-rows: minmax(48px, auto); gap: 12px; }
.links .glass-btn { opacity: 0; transform: translateY(10px); animation: fade-up 500ms var(--ease) both; }
.links .glass-btn:nth-child(1) { animation-delay: 120ms; }
.links .glass-btn:nth-child(2) { animation-delay: 220ms; }
.links .glass-btn:nth-child(3) { animation-delay: 320ms; }

.glass-btn {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  text-decoration: none;
  color: var(--fg);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(20,24,36,0.55), rgba(12,16,24,0.35));
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(22px) saturate(160%) contrast(108%);
  -webkit-backdrop-filter: blur(22px) saturate(160%) contrast(108%);
  box-shadow: 0 8px 24px rgba(0,0,0,0.55), inset 0 0 0 1px rgba(255,255,255,0.10);
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
  overflow: hidden;
}

.glass-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(120% 120% at 10% 0%, rgba(255,255,255,0.40) 0%, rgba(255,255,255,0.08) 45%),
              radial-gradient(120% 120% at 90% 100%, rgba(255,255,255,0.25) 0%, rgba(255,255,255,0.04) 55%);
  pointer-events: none;
  mix-blend-mode: screen;
  filter: url(#liquid-warp);
}
.glass-btn::after {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.22), rgba(255,255,255,0));
  transform: translate(-50%, -50%) scale(1);
  opacity: 0;
  pointer-events: none;
}
.glass-btn:active { transform: translateY(1px) scale(0.997); box-shadow: 0 6px 18px rgba(0,0,0,0.60), inset 0 0 0 1px rgba(255,255,255,0.08); }
.glass-btn:hover { background: linear-gradient(180deg, rgba(22,26,38,0.65), rgba(14,18,26,0.45)); }
.glass-btn:focus { outline: none; box-shadow: 0 0 0 2px rgba(95,212,255,0.28), 0 8px 24px rgba(0,0,0,0.55), inset 0 0 0 1px rgba(255,255,255,0.10); }
.glass-btn:hover::after { opacity: 1; animation: ripple 800ms var(--ease); }

.icon {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(20,24,36,0.65), rgba(12,16,24,0.45));
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--accent);
  transition: transform 180ms var(--ease);
}
.glass-btn:hover .icon { transform: translateY(-1px); }

.label { font-weight: 600; }

@media (max-width: 380px) {
  .frame { width: min(100%, 360px); border-radius: 24px; padding: 16px; }
  .glass-btn { padding: 12px 14px; border-radius: 14px; }
}

.compare { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 8px; margin-top: auto; }
.compare-toggle { padding: 10px 14px; border-radius: 18px; background: rgba(255,255,255,0.08); color: var(--fg); border: 1px solid rgba(255,255,255,0.12); }
.compare-range { width: 100%; }
.compare-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; pointer-events: none; mix-blend-mode: difference; border-radius: 28px; }
.show-compare .compare-img { opacity: 0.5; }
.show-compare .frame { outline: 2px dashed rgba(255,255,255,0.08); }

@keyframes fade-up { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-2px); } }
@keyframes bg-shift { from { filter: hue-rotate(0deg) saturate(100%); } to { filter: hue-rotate(10deg) saturate(120%); } }
@keyframes ripple {
  0% { transform: translate(-50%, -50%) scale(1); opacity: 0.25; }
  100% { transform: translate(-50%, -50%) scale(28); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .bg::before, .frame, .avatar, .links .glass-btn { animation: none !important; }
  .glass-btn, .icon { transition: none !important; }
}