:root {
  --fd-bg: #f4f7fb;
  --fd-surface: #ffffff;
  --fd-surface-soft: #f8fafc;
  --fd-border: rgba(15, 23, 42, 0.08);
  --fd-text: #0f172a;
  --fd-muted: #64748b;
  --fd-primary: #2563eb;
  --fd-primary-dark: #1d4ed8;
  --fd-primary-soft: rgba(37, 99, 235, 0.1);
  --fd-danger: #dc3545;
  --fd-shadow: 0 24px 80px rgba(15, 23, 42, 0.14);
  --fd-radius-xl: 30px;
  --fd-radius-lg: 22px;
  --fd-radius-md: 14px;
}

body {
  background: var(--fd-bg);
}

.fd-login-screen {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.18), transparent 32%),
    radial-gradient(circle at bottom right, rgba(14, 165, 233, 0.14), transparent 35%),
    linear-gradient(135deg, #f8fafc 0%, #eef4ff 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 42px 18px;
}

.fd-login-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.fd-login-orb {
  position: absolute;
  display: block;
  border-radius: 999px;
  filter: blur(2px);
  opacity: 0.65;
}

.fd-login-orb.orb-1 {
  width: 260px;
  height: 260px;
  left: -90px;
  top: 14%;
  background: rgba(37, 99, 235, 0.15);
}

.fd-login-orb.orb-2 {
  width: 360px;
  height: 360px;
  right: -130px;
  bottom: -90px;
  background: rgba(14, 165, 233, 0.14);
}

.fd-login-orb.orb-3 {
  width: 130px;
  height: 130px;
  right: 18%;
  top: 13%;
  background: rgba(99, 102, 241, 0.13);
}

.fd-login-shell {
  position: relative;
  z-index: 1;
  width: min(1080px, 100%);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) 430px;
  gap: 34px;
  align-items: center;
}

.fd-login-brand {
  padding: 38px;
  color: var(--fd-text);
}

.fd-login-logo {
  width: 74px;
  height: 74px;
  border-radius: 24px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--fd-primary), #0ea5e9);
  color: #fff;
  font-size: 34px;
  box-shadow: 0 18px 40px rgba(37, 99, 235, 0.32);
  margin-bottom: 28px;
}

.fd-login-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--fd-primary);
  margin-bottom: 12px;
}

.fd-login-brand h1 {
  max-width: 610px;
  font-size: clamp(36px, 5vw, 62px);
  line-height: 0.95;
  font-weight: 900;
  letter-spacing: -0.06em;
  margin: 0 0 22px;
}

.fd-login-brand p {
  max-width: 560px;
  font-size: 17px;
  line-height: 1.7;
  color: var(--fd-muted);
  margin: 0;
}

.fd-login-features {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.fd-login-features div {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--fd-border);
  color: #334155;
  font-weight: 700;
  font-size: 13px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}

.fd-login-features i {
  color: var(--fd-primary);
}

.fd-login-card {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: var(--fd-radius-xl);
  box-shadow: var(--fd-shadow);
  padding: 30px;
}

.fd-login-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 26px;
}

.fd-login-card-subtitle {
  display: block;
  color: var(--fd-muted);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.fd-login-card h2 {
  font-size: 28px;
  line-height: 1;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--fd-text);
  margin: 0;
}

.fd-login-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 17px;
  display: grid;
  place-items: center;
  background: var(--fd-primary-soft);
  color: var(--fd-primary);
  font-size: 22px;
}

.fd-login-alert {
  display: flex;
  align-items: center;
  gap: 10px;
  border-radius: var(--fd-radius-md);
  font-weight: 700;
  margin-bottom: 20px;
}

.fd-login-form {
  display: grid;
  gap: 18px;
}

.fd-login-field label {
  display: block;
  font-size: 13px;
  font-weight: 800;
  color: #334155;
  margin-bottom: 8px;
}

.fd-login-input {
  position: relative;
  display: flex;
  align-items: center;
}

.fd-login-input i {
  position: absolute;
  left: 16px;
  color: #94a3b8;
  font-size: 17px;
  pointer-events: none;
}

.fd-login-input input {
  width: 100%;
  height: 54px;
  border: 1px solid var(--fd-border);
  border-radius: var(--fd-radius-md);
  background: var(--fd-surface-soft);
  color: var(--fd-text);
  font-size: 15px;
  font-weight: 700;
  padding: 0 16px 0 46px;
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.fd-login-input input::placeholder {
  color: #94a3b8;
  font-weight: 600;
}

.fd-login-input input:focus {
  background: #fff;
  border-color: rgba(37, 99, 235, 0.45);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.11);
}

.fd-login-button {
  height: 56px;
  border: 0;
  border-radius: 17px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--fd-primary), #0ea5e9);
  color: #fff;
  font-size: 15px;
  font-weight: 900;
  letter-spacing: -0.01em;
  box-shadow: 0 18px 36px rgba(37, 99, 235, 0.26);
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.fd-login-button:hover {
  transform: translateY(-1px);
  filter: brightness(1.02);
  box-shadow: 0 22px 44px rgba(37, 99, 235, 0.34);
}

.fd-login-button:active {
  transform: translateY(0);
}

.fd-login-demo {
  margin-top: 20px;
  padding: 13px 14px;
  border-radius: var(--fd-radius-md);
  background: rgba(15, 23, 42, 0.04);
  color: var(--fd-muted);
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  flex-wrap: wrap;
}

.fd-login-demo span {
  font-weight: 800;
  color: #334155;
}

.fd-login-demo strong {
  color: var(--fd-text);
  font-weight: 800;
}

.fd-login-demo small {
  color: #94a3b8;
}

@media (max-width: 940px) {
  .fd-login-screen {
    align-items: flex-start;
    padding-top: 28px;
  }

  .fd-login-shell {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .fd-login-brand {
    padding: 20px 8px 10px;
    text-align: center;
  }

  .fd-login-logo {
    margin-left: auto;
    margin-right: auto;
  }

  .fd-login-brand h1,
  .fd-login-brand p {
    margin-left: auto;
    margin-right: auto;
  }

  .fd-login-features {
    justify-content: center;
  }

  .fd-login-card {
    width: min(460px, 100%);
    margin: 0 auto;
  }
}

@media (max-width: 520px) {
  .fd-login-screen {
    padding: 18px 12px;
  }

  .fd-login-brand h1 {
    font-size: 36px;
  }

  .fd-login-brand p {
    font-size: 15px;
  }

  .fd-login-card {
    padding: 22px;
    border-radius: 24px;
  }

  .fd-login-card h2 {
    font-size: 24px;
  }

  .fd-login-features {
    display: none;
  }

  .fd-login-demo {
    font-size: 12px;
  }
}