:root {
  --primary: #34495e;
  --primary-dark: #2c3e50;
  --accent: #3498db;
  --accent-hover: #2980b9;
  --light: #ecf0f1;
  --white: #ffffff;
  --text-primary: #333333;
  --text-secondary: #666666;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1), 0 1px 3px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1), 0 5px 10px rgba(0,0,0,0.05);
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
}

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

html {
  height: 100%;
}

body {
  min-height: 100%;
  font-family: system-ui, -apple-system, sans-serif;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.login-container {
  background-color: var(--white);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 420px;
  padding: 2.5rem;
  text-align: center;
}

.logo {
  margin-bottom: 1.5rem;
}

a {
  text-decoration: none;  
}

.logo img {
  height: 60px;
}

.login-header {
  margin-bottom: 2rem;
}

.login-header h1 {
  color: var(--primary);
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.login-header p {
  color: var(--text-secondary);
  font-size: 1rem;
}

.google-signin {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0.75rem;
  background-color: var(--white);
  border: 1px solid #dadce0;
  border-radius: var(--border-radius-sm);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-bottom: 1.5rem;
}

.google-signin:hover {
  background-color: #f8f9fa;
  box-shadow: var(--shadow-sm);
}

.google-signin:active {
  background-color: #f1f3f4;
}

.google-icon {
  width: 20px;
  height: 20px;
  margin-right: 12px;
}

.footer {
  margin-top: 2rem;
  color: var(--white);
  font-size: 0.875rem;
  text-align: center;
}

.footer a {
  color: var(--white);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer a:hover {
  color: var(--accent);
  text-decoration: underline;
}

@media (max-width: 480px) {
  .login-container {
    padding: 1.5rem;
  }

  .login-header h1 {
    font-size: 1.5rem;
  }
}