*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #080810;
  --surface: #10101a;
  --surface2: #18182a;
  --surface3: #20203a;
  --border: #ffffff12;
  --border-hover: #ffffff25;
  --accent: #7c6aff;
  --accent-dim: #5a4bcc;
  --accent-glow: rgba(124,106,255,0.15);
  --amber: #f5a623;
  --text: #f0eeff;
  --muted: #6b6880;
  --muted2: #3a3850;
  --danger: #ff5c5c;
  --success: #5cffa0;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  overflow: hidden;
}

.noise {
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.04;
  pointer-events: none;
  z-index: 100;
}

.auth-bg {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  animation: float 8s ease-in-out infinite;
}

.orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #7c6aff, transparent);
  top: -150px; left: -100px;
  animation-delay: 0s;
}

.orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #f5a623, transparent);
  bottom: -100px; right: -80px;
  animation-delay: 3s;
}

.orb-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, #ff6b8a, transparent);
  top: 40%; left: 60%;
  animation-delay: 5s;
  opacity: 0.2;
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

.auth-wrapper {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  gap: 20px;
  padding: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  animation: fadeDown 0.6s ease both;
}

.brand-mark {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--accent), #b06aff);
  color: #fff;
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  box-shadow: 0 8px 32px rgba(124,106,255,0.4);
  overflow: hidden;
  padding: 0;
}


.brand-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.brand-name {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 26px;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #fff 40%, #b06aff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-parent {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: rgba(16,16,26,0.85);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  animation: fadeUp 0.6s ease 0.1s both;
  box-shadow: 0 40px 80px rgba(0,0,0,0.6), inset 0 1px 0 rgba(255,255,255,0.08);
}

.tabs {
  display: flex;
  gap: 4px;
  background: var(--bg);
  border-radius: 12px;
  padding: 4px;
  margin-bottom: 28px;
}

.tab {
  flex: 1;
  padding: 9px;
  border: none;
  background: transparent;
  color: var(--muted);
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 500;
  border-radius: 9px;
  cursor: pointer;
  transition: all 0.2s;
}

.tab.active {
  background: var(--surface2);
  color: var(--text);
}

.form-panel { display: none; }
.form-panel.active { display: block; }

.form-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 24px;
  letter-spacing: -0.5px;
  margin-bottom: 5px;
}

.form-sub {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 22px;
}

.field { margin-bottom: 14px; }

.field label {
  display: block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}

.field input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 11px;
  padding: 12px 14px;
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.field input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.field input::placeholder { color: var(--muted2); }

.btn-primary {
  width: 100%;
  margin-top: 8px;
  padding: 13px;
  background: linear-gradient(135deg, var(--accent), #b06aff);
  color: #fff;
  border: none;
  border-radius: 11px;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.1s;
  box-shadow: 0 4px 20px rgba(124,106,255,0.35);
}

.btn-primary:hover { opacity: 0.9; }
.btn-primary:active { transform: scale(0.98); }

.error-msg {
  font-size: 13px;
  color: var(--danger);
  margin-top: 10px;
  min-height: 18px;
  text-align: center;
}

.tagline {
  font-size: 13px;
  color: var(--muted);
  animation: fadeUp 0.6s ease 0.25s both;
}

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── GOOGLE BUTTON ── */
.btn-google {
  width: 100%;
  margin-top: 10px;
  padding: 12px;
  background: #fff;
  color: #333;
  border: 1px solid #ddd;
  border-radius: 11px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 500;
  font-size: 15px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: background 0.2s, transform 0.1s;
}
.btn-google:hover  { background: #f5f5f5; }
.btn-google:active { transform: scale(0.98); }

/* ── DIVIDER ── */
.auth-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 16px 0 4px;
  color: var(--muted);
  font-size: 13px;
}
.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: inherit;
}