.login-stage {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.75rem;
  padding: 2rem 1.25rem;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(99, 102, 241, 0.18), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(16, 185, 129, 0.14), transparent 55%),
    linear-gradient(160deg, #f6f7fb 0%, #eef1f8 100%);
  position: relative;
  overflow: hidden;
}

.login-stage::before,
.login-stage::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.5;
  pointer-events: none;
}

.login-stage::before {
  width: 320px;
  height: 320px;
  background: rgba(129, 140, 248, 0.35);
  top: -80px;
  right: -60px;
}

.login-stage::after {
  width: 260px;
  height: 260px;
  background: rgba(52, 211, 153, 0.3);
  bottom: -80px;
  left: -60px;
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.2rem;
  font-weight: 800;
  color: #1e293b;
  letter-spacing: -0.02em;
}

.login-brand span span {
  color: #6366f1;
}

.login-brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.35);
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(148, 163, 184, 0.25);
  border-radius: 20px;
  padding: 2.25rem 2rem;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.12);
  position: relative;
  z-index: 1;
}

.login-head {
  text-align: center;
  margin-bottom: 1.75rem;
}

.login-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1rem;
  border-radius: 16px;
  display: grid;
  place-items: center;
  color: #4f46e5;
  background: linear-gradient(135deg, #eef2ff, #e0e7ff);
  border: 1px solid rgba(99, 102, 241, 0.25);
}

.login-head h1 {
  font-size: 1.45rem;
  margin: 0 0 0.35rem;
  color: #0f172a;
}

.login-head p {
  margin: 0;
  font-size: 0.88rem;
  color: #64748b;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.1rem;
}

.field > span {
  font-size: 0.8rem;
  font-weight: 600;
  color: #334155;
}

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

.input-icon {
  position: absolute;
  left: 0.9rem;
  color: #94a3b8;
  pointer-events: none;
}

.input-wrap input {
  width: 100%;
  padding: 0.8rem 2.6rem 0.8rem 2.6rem;
  font-size: 0.95rem;
  color: #0f172a;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.4);
  border-radius: 12px;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.input-wrap input:focus {
  border-color: #6366f1;
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
}

.toggle-pass {
  position: absolute;
  right: 0.6rem;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: #94a3b8;
  border-radius: 8px;
  cursor: pointer;
}

.toggle-pass:hover {
  color: #475569;
  background: rgba(148, 163, 184, 0.12);
}

.login-error {
  margin-bottom: 1rem;
  padding: 0.7rem 0.9rem;
  border-radius: 10px;
  font-size: 0.85rem;
  color: #b91c1c;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.25);
}

.login-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, #4f46e5, #6366f1);
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s, opacity 0.2s;
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.35);
}

.login-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 12px 26px rgba(99, 102, 241, 0.4);
}

.login-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.login-foot {
  margin-top: 1.5rem;
  text-align: center;
  font-size: 0.75rem;
  color: #94a3b8;
}

.login-foot p {
  margin: 0;
}

@media (max-width: 480px) {
  .login-card {
    padding: 1.75rem 1.25rem;
  }

  .login-head h1 {
    font-size: 1.3rem;
  }
}

@media (prefers-color-scheme: dark) {
  .login-stage {
    background:
      radial-gradient(1200px 600px at 10% -10%, rgba(99, 102, 241, 0.22), transparent 60%),
      radial-gradient(900px 500px at 100% 0%, rgba(16, 185, 129, 0.18), transparent 55%),
      linear-gradient(160deg, #0b1020 0%, #0f172a 100%);
  }

  .login-brand {
    color: #e2e8f0;
  }

  .login-card {
    background: rgba(15, 23, 42, 0.7);
    border-color: rgba(148, 163, 184, 0.2);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
  }

  .login-head h1 {
    color: #f1f5f9;
  }

  .login-head p {
    color: #94a3b8;
  }

  .login-icon {
    background: linear-gradient(135deg, #1e1b4b, #312e81);
    border-color: rgba(99, 102, 241, 0.4);
  }

  .field > span {
    color: #cbd5e1;
  }

  .input-wrap input {
    color: #f1f5f9;
    background: rgba(30, 41, 59, 0.6);
    border-color: rgba(148, 163, 184, 0.3);
  }

  .input-wrap input:focus {
    border-color: #818cf8;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
  }

  .toggle-pass,
  .input-icon {
    color: #64748b;
  }

  .login-foot {
    color: #64748b;
  }
}