* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Plus Jakarta Sans', Arial, sans-serif;
  background: radial-gradient(circle at top, #1b2b5c 0%, #10182e 45%, #070c18 100%);
  color: #f2f5ff;
}

.login-shell {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 24px;
}

.login-card {
  width: min(460px, 100%);
  background: rgba(14, 23, 58, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 28px;
  box-shadow: 0 32px 90px rgba(4, 11, 30, 0.35);
  overflow: hidden;
}

.login-header {
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 28px 32px 20px;
}

.brand-badge {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: linear-gradient(135deg, #ff7c2c, #ffb03e);
  display: grid;
  place-items: center;
  font-weight: 800;
  color: #fff;
  font-size: 1.5rem;
}

.brand-copy h1 {
  margin: 0;
  font-size: 1.55rem;
  letter-spacing: -0.02em;
}

.brand-copy p {
  margin: 6px 0 0;
  color: #9bb1ff;
  font-size: 0.95rem;
}

.divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.075);
  margin: 0 32px;
}

.login-body {
  padding: 24px 32px 32px;
}

.login-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.login-subtitle {
  margin: 0 0 26px;
  color: #b3bef9;
  line-height: 1.6;
}

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

.form-label {
  display: block;
  margin-bottom: 8px;
  color: #c7d0ff;
  font-size: 0.95rem;
}

.form-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 14px 16px;
  color: #f7f9ff;
  font-size: 0.98rem;
}

.form-input::placeholder {
  color: rgba(255, 255, 255, 0.45);
}

.form-input:focus {
  outline: none;
  border-color: #5d7dff;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 4px rgba(93, 125, 255, 0.12);
}

.btn-submit {
  width: 100%;
  border: none;
  border-radius: 16px;
  padding: 16px 20px;
  font-size: 1rem;
  font-weight: 700;
  color: #10182e;
  background: linear-gradient(135deg, #ff9000, #ff6a00);
  cursor: pointer;
  transition: transform 0.2s ease, filter 0.2s ease;
}

.btn-submit:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

.login-footer {
  margin-top: 26px;
  color: #8592ff;
  font-size: 0.95rem;
  text-align: center;
}

@media (max-width: 520px) {
  .login-card {
    border-radius: 22px;
  }
  .login-header,
  .login-body {
    padding-left: 20px;
    padding-right: 20px;
  }
}

.form-toggle {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

.tab-btn {
  flex: 1;
  border: none;
  border-radius: 16px;
  padding: 10px 20px;
  font-size: 0.95rem;
  font-weight: 600;
  color: #c7d0ff;
  background: rgba(255, 255, 255, 0.06);
  cursor: pointer;
  transition: background 0.2s ease;
}

.tab-btn.active {
  background: linear-gradient(135deg, #ff9000, #ff6a00);
  color: #10182e;
}

.hidden {
  display: none;
}