* {
  box-sizing: border-box;
}

:root {
  --bg: #050505;
  --bg-soft: #0a0a0a;
  --panel: linear-gradient(180deg, rgba(20, 20, 20, 0.96), rgba(10, 10, 10, 0.96));
  --panel-strong: rgba(12, 12, 12, 0.98);
  --panel-soft: rgba(255, 255, 255, 0.025);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #f4f4f4;
  --muted: #9b9b9b;
  --muted-strong: #c5c5c5;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.58);
}

html, body {
  margin: 0;
  min-height: 100%;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.02), transparent 22%),
    radial-gradient(circle at top center, rgba(255,255,255,0.035), transparent 30%),
    var(--bg);
  color: var(--text);
  font-family: "Inter", Arial, sans-serif;
}

body {
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.38), transparent 85%);
}

.app-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 80px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
  padding: 14px 18px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: rgba(255,255,255,0.02);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.03);
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  border: 1px solid var(--border-strong);
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  display: grid;
  place-items: center;
  font-family: "Cormorant Garamond", serif;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.brand-name {
  font-family: "Cormorant Garamond", serif;
  font-size: 1.65rem;
  line-height: 1;
}

.brand-sub,
.topbar-badge {
  color: var(--muted);
  font-size: 0.88rem;
}

.topbar-badge {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 14px;
  background: rgba(255,255,255,0.025);
  white-space: nowrap;
}

.hero-card,
.state-card,
.profile-card {
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: var(--panel);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  border-radius: 30px;
}

.hero-card {
  position: relative;
  overflow: hidden;
  padding: 38px;
  margin-bottom: 22px;
}

.hero-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(255,255,255,0.05), transparent 28%, transparent 72%, rgba(255,255,255,0.03));
}

.eyebrow {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--muted-strong);
  letter-spacing: 0.14em;
  font-size: 11px;
  font-weight: 700;
  margin-bottom: 18px;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 14px;
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(2.6rem, 4vw, 4.6rem);
  line-height: 0.92;
  letter-spacing: -0.03em;
  font-weight: 700;
}

.hero-copy {
  margin: 0;
  max-width: 760px;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.8;
}

.search-panel {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 1fr 180px;
  gap: 14px;
}

.input-wrap {
  min-height: 66px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--panel-strong);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 0 18px;
}

.at {
  color: var(--muted);
  font-size: 1.18rem;
  font-weight: 700;
}

input {
  flex: 1;
  height: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 1rem;
}

input::placeholder {
  color: #6f6f6f;
}

button {
  border: 1px solid var(--border-strong);
  outline: 0;
  border-radius: 20px;
  background: linear-gradient(180deg, #f5f5f5, #d7d7d7);
  color: #000;
  font: inherit;
  font-weight: 800;
  font-size: 0.98rem;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform 140ms ease, background 140ms ease, opacity 140ms ease, box-shadow 140ms ease;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.75), 0 10px 30px rgba(0,0,0,0.25);
}

button:hover {
  transform: translateY(-1px);
  background: linear-gradient(180deg, #ffffff, #cccccc);
}

button:active {
  transform: translateY(0);
}

button:disabled {
  opacity: 0.7;
  cursor: wait;
}

.helper-row {
  margin-top: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 0.95rem;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 0 0 6px rgba(255,255,255,0.08);
}

.state-card,
.profile-card {
  padding: 28px;
}

.state-inner {
  min-height: 280px;
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--muted);
}

.state-icon {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  font-size: 2rem;
  color: var(--text);
  margin-bottom: 18px;
}

.state-inner h2,
.display-name {
  margin: 0 0 8px;
  color: var(--text);
  font-family: "Cormorant Garamond", serif;
}

.state-inner h2 {
  font-size: 2rem;
}

.profile-grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 26px;
  align-items: start;
}

.profile-sidebar {
  background: linear-gradient(180deg, rgba(255,255,255,0.045), rgba(255,255,255,0.02));
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 22px;
}

.avatar {
  width: 112px;
  height: 112px;
  border-radius: 22px;
  object-fit: cover;
  border: 1px solid var(--border-strong);
  display: block;
  background: var(--bg-soft);
}

.name-row {
  margin-top: 18px;
}

.display-name {
  font-size: 2rem;
  line-height: 1;
  letter-spacing: -0.02em;
}

.handle {
  color: var(--muted);
  margin: 0;
  font-size: 0.98rem;
}

.badge-row {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: #ffffff;
  font-size: 0.88rem;
  font-weight: 600;
}

.profile-main {
  display: grid;
  gap: 18px;
}

.bio-card,
.metrics-card,
.link-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 22px;
}

.section-label {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 12px;
}

.bio {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.8;
  color: var(--text);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.metric {
  padding: 18px;
  border-radius: 20px;
  background: var(--panel-soft);
  border: 1px solid var(--border);
}

.metric .label {
  color: var(--muted);
  font-size: 0.82rem;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.metric .value {
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.profile-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: white;
  text-decoration: none;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px 16px;
  transition: background 140ms ease, transform 140ms ease, border-color 140ms ease;
}

.profile-link:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.error-box {
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.045);
  color: #ffffff;
  padding: 20px;
  line-height: 1.7;
}

.loader {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: 4px solid rgba(255,255,255,0.08);
  border-top-color: #ffffff;
  animation: spin 0.9s linear infinite;
  margin: 0 auto 20px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@media (max-width: 920px) {
  .topbar,
  .profile-grid,
  .metrics-grid,
  .search-panel {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .hero-card,
  .state-card,
  .profile-card {
    border-radius: 24px;
  }

  .hero-card,
  .state-card,
  .profile-card,
  .profile-sidebar,
  .bio-card,
  .metrics-card,
  .link-card {
    padding: 20px;
  }

  .app-shell {
    width: min(100% - 20px, 1120px);
    padding-top: 20px;
  }

  .avatar {
    width: 96px;
    height: 96px;
  }

  .display-name {
    font-size: 1.6rem;
  }
}