:root {
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --bg-primary: #0b0f17;
  --bg-secondary: #131924;
  --bg-card: #1c2333;
  --bg-input: #111622;
  --color-brand: #3b82f6;
  --color-brand-hover: #2563eb;
  --color-error: #f43f5e;
  --color-error-bg: rgba(244, 63, 94, 0.1);
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --border-color: rgba(255, 255, 255, 0.08);
  --radius-md: 12px;
  --radius-sm: 6px;
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.login-wrapper {
  width: 100%;
  max-width: 400px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.login-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 24px;
  animation: scaleUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes scaleUp {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.login-header {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.login-logo {
  width: 40px;
  height: 40px;
  color: var(--color-brand);
  background-color: rgba(59, 130, 246, 0.1);
  padding: 8px;
  border-radius: 50%;
}

.login-header h2 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.5px;
}

.login-header p {
  font-size: 13px;
  color: var(--text-secondary);
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-family: var(--font-family);
  font-size: 14px;
  outline: none;
  transition: all 0.15s ease;
}

.form-group input:focus {
  border-color: var(--color-brand);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.4);
}

.btn-login {
  background-color: var(--color-brand);
  color: white;
  border: none;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.15s ease;
  margin-top: 8px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.btn-login:hover {
  background-color: var(--color-brand-hover);
}

.error-alert {
  background-color: var(--color-error-bg);
  border: 1px solid rgba(244, 63, 94, 0.2);
  color: var(--color-error);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  text-align: center;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.login-footer {
  text-align: center;
}

.login-footer p {
  font-size: 11px;
  color: var(--text-muted);
}

.hidden {
  display: none !important;
}