:root {
  --primary-color: #0349a6;
  --primary-hover: #0b5fd2;
  --bg-dark: #070b14;
  --bg-card: #111827;
  --bg-card-2: #161f31;
  --text-color: #e5e7eb;
  --muted-color: #94a3b8;
  --white: #ffffff;
  --border-color: rgba(255,255,255,0.08);
  --success: #22c55e;
  --error: #ef4444;
  --shadow: 0 18px 50px rgba(0,0,0,0.35);
  --radius: 22px;
  --radius-sm: 14px;
  --transition: all 0.28s ease;
}

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

body {
  background:
    radial-gradient(circle at top left, rgba(3,73,166,0.18), transparent 30%),
    radial-gradient(circle at bottom right, rgba(3,73,166,0.12), transparent 24%),
    var(--bg-dark);
  color: var(--text-color);
  font-family: 'Inter', sans-serif;
  min-height: 100vh;
}

a {
  text-decoration: none;
}

button,
input {
  font-family: inherit;
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
}

.auth-left {
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background:
    linear-gradient(145deg, rgba(3,73,166,0.18), rgba(255,255,255,0.02)),
    rgba(255,255,255,0.02);
  border-right: 1px solid rgba(255,255,255,0.08);
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-logo img {
  width: 42px;
  height: 42px;
}

.brand-logo h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 28px;
  color: var(--white);
}

.auth-left-content {
  max-width: 520px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(3,73,166,0.14);
  border: 1px solid rgba(3,73,166,0.28);
  color: #9ec6ff;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 18px;
}

.auth-left-content h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 50px;
  line-height: 1.05;
  margin-bottom: 16px;
}

.auth-left-content p {
  font-size: 16px;
  color: var(--muted-color);
  line-height: 1.7;
  margin-bottom: 24px;
}

.hero-features {
  display: grid;
  gap: 14px;
}

.hero-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-color);
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 14px 16px;
  border-radius: 16px;
}

.hero-feature i {
  color: #7db3ff;
}

.auth-right {
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.top-action {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  font-size: 14px;
  color: var(--muted-color);
}

.top-link {
  color: #9ec6ff;
  font-weight: 700;
}

.signup-card {
  width: 100%;
  max-width: 540px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px;
}

.signup-header {
  margin-bottom: 22px;
}

.signup-header h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 34px;
  margin-bottom: 6px;
}

.signup-header p {
  color: var(--muted-color);
  font-size: 14px;
}

.referral-badge {
  margin-top: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(34,197,94,0.12);
  color: var(--success);
  border: 1px solid rgba(34,197,94,0.18);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.signup-form {
  display: grid;
  gap: 16px;
}

.input-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  color: var(--muted-color);
  font-weight: 700;
}

.input-wrap {
  position: relative;
}

.input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--primary-color);
  font-size: 14px;
}

.input-wrap input {
  width: 100%;
  height: 54px;
  padding: 0 16px 0 44px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.08);
  background: var(--bg-card-2);
  color: var(--text-color);
  outline: none;
  transition: var(--transition);
  font-size: 14px;
}

.input-wrap input:focus {
  border-color: rgba(3,73,166,0.45);
  box-shadow: 0 0 0 4px rgba(3,73,166,0.12);
}

.terms-container {
  margin-top: 4px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted-color);
  font-size: 13px;
  line-height: 1.5;
  cursor: pointer;
}

.checkbox-label input {
  accent-color: var(--primary-color);
}

.checkbox-label a {
  color: #9ec6ff;
  font-weight: 700;
}

.signup-btn {
  height: 54px;
  border: none;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
  color: var(--white);
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
}

.signup-btn:hover {
  transform: translateY(-2px);
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(10px);
  justify-content: center;
  align-items: center;
  padding: 20px;
  z-index: 999;
}

.modal-content {
  width: 100%;
  max-width: 420px;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 22px;
  padding: 28px;
  text-align: center;
  box-shadow: var(--shadow);
}

.modal-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
}

.modal-icon.success {
  background: rgba(34,197,94,0.12);
  color: var(--success);
}

.modal-icon.error {
  background: rgba(239,68,68,0.12);
  color: var(--error);
}

.modal-title {
  font-size: 18px;
  margin-bottom: 18px;
  line-height: 1.5;
}

.modal-close-btn {
  width: 100%;
  height: 48px;
  border: none;
  border-radius: 14px;
  background: rgba(255,255,255,0.06);
  color: var(--text-color);
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
}

@media (max-width: 980px) {
  .auth-shell {
    grid-template-columns: 1fr;
  }

  .auth-left {
    display: none;
  }
}

@media (max-width: 560px) {
  .auth-right {
    padding: 18px 12px;
  }

  .signup-card {
    padding: 22px;
  }

  .top-action {
    justify-content: center;
  }
}
.toggle-password {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--muted-color);
  cursor: pointer;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.toggle-password:hover {
  color: var(--text-color);
  background: rgba(255,255,255,0.05);
}

.input-wrap input {
  padding-right: 46px;
}