.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 40%, #0f766e 100%);
  position: relative;
  overflow: hidden;
}

.login-page::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.15) 0%, transparent 70%);
  top: -200px;
  right: -100px;
  pointer-events: none;
}

.login-page::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, transparent 70%);
  bottom: -100px;
  left: -100px;
  pointer-events: none;
}

.login-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  max-width: 900px;
  width: 100%;
  position: relative;
  z-index: 1;
  animation: slideUp 0.5s ease;
}

.login-brand {
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: white;
  padding: 20px;
}

.login-brand h1 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.login-brand p {
  font-size: 1.05rem;
  opacity: 0.75;
  line-height: 1.6;
}

.qr-code {
  margin-top: 32px;
  text-align: center;
}

.qr-code-wrapper {
  display: inline-block;
  padding: 16px;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

.qr-code p {
  margin-top: 16px;
  font-size: 0.9rem;
  opacity: 0.8;
  font-weight: 500;
}

.login-form-card {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.login-form-card h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text);
}

.login-form-card .subtitle {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 28px;
}

.pin-display-wrapper {
  margin-bottom: 24px;
}

.pin-display-wrapper label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.pin-dots {
  display: flex;
  gap: 16px;
  justify-content: center;
  padding: 16px;
  background: var(--surface-2);
  border-radius: var(--radius);
  border: 2px solid var(--border);
  transition: border-color var(--transition);
}

.pin-dots.active {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.pin-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: white;
  transition: all 0.2s ease;
}

.pin-dot.filled {
  background: var(--primary);
  border-color: var(--primary);
  transform: scale(1.1);
}

.keypad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.keypad .btn {
  padding: 18px 0;
  font-size: 1.4rem;
  border: none;
  cursor: pointer;
  border-radius: var(--radius);
  font-weight: 600;
  transition: all var(--transition);
  -webkit-tap-highlight-color: transparent;
}

.keypad .number {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.keypad .number:active {
  background: var(--surface-2);
  transform: scale(0.96);
}

.keypad .number.zero { grid-column: span 2; }

.keypad .control {
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}

.keypad .clear {
  background: #fef2f2;
  color: var(--danger);
  border: 1px solid #fecaca;
}

.keypad .clear:active { background: #fee2e2; }

.keypad .enter {
  background: var(--primary);
  color: white;
  grid-column: 3 / 4;
}

.keypad .enter:active { background: var(--primary-dark); }
.keypad .enter.loading {
  opacity: 0.7;
  pointer-events: none;
}

.login-error {
  margin-top: 16px;
}

.login-error .alert {
  margin-top: 0;
}

@media (max-width: 768px) {
  .login-container {
    grid-template-columns: 1fr;
    gap: 24px;
    max-width: 420px;
  }

  .login-brand {
    text-align: center;
    padding: 0;
  }

  .login-brand h1 { font-size: 2rem; }

  .qr-code { display: none; }

  .login-form-card { padding: 28px 24px; }
}

@media (max-width: 400px) {
  .keypad .btn { padding: 14px 0; font-size: 1.2rem; }
}