:root {
  --bg: #000;
  --panel: #0b0b0b;
  --border: #222;
  --text: #f5f5f5;
  --muted: #9a9a9a;
  --accent: #ffffff;
  --danger: #ff4d4d;
  --radius: 16px
}

.auth-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .65);
  backdrop-filter: blur(6px);
  display: grid;
  place-items: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
  z-index: 9999
}

.auth-overlay.is-open {
  opacity: 1;
  pointer-events: auto
}

.auth-modal {
  width: min(440px, 92vw);
  background: var(--panel);
  color: var(--text);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0, 0, 0, .55);
  transform: translateY(10px) scale(.98);
  opacity: 0;
  transition: transform .22s ease, opacity .22s ease;
  overflow: hidden
}

.auth-overlay.is-open .auth-modal {
  transform: translateY(0) scale(1);
  opacity: 1
}

.auth-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255, 255, 255, .04), rgba(255, 255, 255, 0))
}

.auth-title {
  font-size: 14px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted)
}

.auth-close {
  appearance: none;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  width: 36px;
  height: 36px;
  border-radius: 10px;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: transform .12s ease, background .12s ease, border-color .12s ease
}

.auth-close:hover {
  background: rgba(255, 255, 255, .06);
  border-color: #333;
  transform: scale(1.03)
}

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 12px 16px 0 16px
}

.auth-tab {
  appearance: none;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  border-radius: 12px;
  padding: 10px 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease, color .15s ease, transform .12s ease
}

.auth-tab:hover {
  border-color: #333;
  transform: translateY(-1px)
}

.auth-tab.is-active {
  background: rgba(255, 255, 255, .08);
  border-color: #3a3a3a;
  color: var(--text)
}

.auth-body {
  padding: 14px 16px 16px 16px
}

.auth-panel {
  display: none;
  animation: panelIn .18s ease
}

.auth-panel.is-active {
  display: block
}

@keyframes panelIn {
  from {
    opacity: 0;
    transform: translateY(6px)
  }

  to {
    opacity: 1;
    transform: translateY(0)
  }
}

.auth-form {
  display: grid;
  gap: 10px;
  margin-top: 12px
}

.auth-field {
  display: grid;
  gap: 6px
}

.auth-label {
  font-size: 12px;
  color: var(--muted)
}

.auth-input {
  width: 100%;
  max-width: 94%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #050505;
  color: var(--text);
  outline: none;
  transition: border-color .15s ease, background .15s ease, transform .12s ease
}

.auth-input:focus {
  border-color: #444;
  background: #070707
}

.auth-actions {
  display: grid;
  gap: 10px;
  margin-top: 6px
}

.auth-btn {
  appearance: none;
  border: 1px solid #2a2a2a;
  background: var(--accent);
  color: #000;
  padding: 12px 12px;
  border-radius: 12px;
  font-weight: 800;
  cursor: pointer;
  transition: transform .12s ease, filter .12s ease
}

.auth-btn:hover {
  transform: translateY(-1px);
  filter: brightness(.95)
}

.auth-sub {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--muted)
}

.auth-link {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, .25);
  padding-bottom: 2px
}

.auth-link:hover {
  border-bottom-color: rgba(255, 255, 255, .65)
}

.auth-note {
  font-size: 12px;
  color: var(--muted);
  margin-top: 10px;
  line-height: 1.45
}