body {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100vw;
  min-width: 300px;
  height: 100vh;
  min-height: 500px;
}

.login-holder {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 44px 36px;
  border-radius: var(--radius-lg);
  width: clamp(300px, 90vw, 400px);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg), inset 0 0 0 1px rgba(255, 255, 255, 0.04);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  overflow: hidden;
  transition: transform 0.4s var(--ease);
}

.login-holder:hover {
  transform: translateY(-4px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 2px;
}

.brand-mark {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  font-size: 18px;
  background: var(--accent-grad);
  box-shadow: 0 8px 20px rgba(124, 108, 255, 0.35);
}

.brand-name {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.login-subtitle {
  color: var(--text-faint);
  font-size: 14px;
  margin-bottom: 18px;
}

.login-holder .username {
  width: 100%;
}

.login-holder .password-field {
  width: 100%;
}

.login-btn {
  width: 100%;
  height: 48px;
  font-size: 15px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-top: 10px;
}

.countdown-timer {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  margin-top: 6px;
  padding: 10px;
  font-size: clamp(12px, 3vw, 15px);
  font-weight: 600;
  color: var(--danger);
  text-align: center;
  background: rgba(251, 69, 112, 0.1);
  border: 1px solid rgba(251, 69, 112, 0.2);
  border-radius: var(--radius-sm);
}

.error-holder {
  width: clamp(300px, 90vw, 420px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding: 40px 32px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid rgba(251, 69, 112, 0.25);
  box-shadow: var(--shadow-lg);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
}

.error-title {
  font-size: clamp(18px, 4vw, 22px);
  font-weight: 800;
  color: var(--danger);
}

.error-text {
  font-size: clamp(14px, 3vw, 16px);
  color: var(--text-dim);
  font-weight: 500;
  text-align: center;
}

.error-btn {
  width: 100%;
  height: 46px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: clamp(14px, 3vw, 16px);
  font-weight: 700;
  color: #fff;
  background: var(--danger-grad);
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 24px rgba(251, 69, 112, 0.28);
  transition: transform 0.25s var(--ease), filter 0.25s var(--ease);
}

.error-btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
}

@media only screen and (max-width: 480px) {
  .login-holder,
  .error-holder {
    width: 100vw;
    height: 100vh;
    border-radius: 0;
    border: none;
    justify-content: center;
    box-shadow: none;
  }
}