:root {
  --bg: #000000;
  --card: linear-gradient(165deg, rgba(255, 255, 255, 0.02) 0%, rgba(255, 255, 255, 0.01) 100%);
  --border: rgba(255, 255, 255, 0.06);
  --accent: #ff3b30;
  --accent-2: #ff6b35;
  --text-primary: #ffffff;
  --text-secondary: #b9b9b9;
  --text-tertiary: #6f6f6f;
  --glow: rgba(255, 59, 48, 0.35);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  background: var(--bg);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.bg-fx {
  position: fixed;
  inset: 0;
  z-index: -1;
}

.bg-orb {
  position: absolute;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  filter: blur(160px);
  opacity: 0.18;
}

.orb-1 {
  top: -200px;
  left: -200px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
}

.orb-2 {
  bottom: -280px;
  right: -200px;
  background: radial-gradient(circle, var(--accent-2) 0%, transparent 70%);
}

.bg-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 59, 48, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 59, 48, 0.05) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.14;
  transform: perspective(1200px) rotateX(65deg) translateY(-10%);
}

.auth-wrap {
  width: min(480px, 100%);
}

.auth-card {
  position: relative;
  border-radius: 24px;
  border: 1px solid var(--border);
  background: var(--card);
  backdrop-filter: blur(22px);
  overflow: hidden;
  box-shadow: 0 80px 160px -120px var(--glow);
}

.auth-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(420px 180px at 50% 0%, rgba(255, 59, 48, 0.16) 0%, transparent 70%);
}

.auth-header {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
  padding: 44px 40px 28px;
}

.logo {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid rgba(255, 59, 48, 0.5);
  background: radial-gradient(circle, rgba(255, 59, 48, 0.22) 0%, transparent 70%);
}

.auth-header h1 {
  font-family: 'Tourney', sans-serif;
  font-weight: 800;
  letter-spacing: 0.24em;
  font-size: 1.1rem;
}

.auth-header p {
  color: var(--text-secondary);
  max-width: 320px;
}

.tabs {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin: 0 40px 24px;
  padding: 6px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(10, 10, 10, 0.8);
}

.tab-btn {
  padding: 10px 18px;
  border-radius: 999px;
  border: none;
  background: transparent;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  cursor: pointer;
}

.tab-btn.active {
  color: var(--text-primary);
  background: radial-gradient(200px 60px at 50% 0%, rgba(255, 59, 48, 0.24) 0%, transparent 70%);
  box-shadow: inset 0 0 0 1px rgba(255, 59, 48, 0.5);
}

.form {
  position: relative;
  z-index: 1;
  display: none;
  flex-direction: column;
  gap: 16px;
  padding: 0 40px 32px;
}

.form.active {
  display: flex;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.field label {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.72rem;
  color: var(--text-tertiary);
}

.field input {
  padding: 14px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(10, 10, 10, 0.8);
  color: var(--text-primary);
  font-size: 0.96rem;
}

.field input:focus {
  outline: none;
  border-color: rgba(255, 59, 48, 0.6);
}

.btn-auth {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 999px;
  border: none;
  background: linear-gradient(135deg, rgba(255, 59, 48, 0.95) 0%, rgba(255, 107, 53, 0.95) 100%);
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 40px 80px -50px var(--glow);
}

.msg {
  text-align: center;
  min-height: 18px;
  color: var(--accent);
}

.auth-footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 40px 40px;
}

.auth-footer a {
  color: var(--text-tertiary);
  text-decoration: none;
}