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

:root {
  /* Color Palette */
  --color-white: #f7f7f7;
  --color-blue-dark: #112f56;
  --color-blue-medium: #435876;
  --color-cadet-blue: #72a7b9;
  --color-cyan-light: #e5faff;
  --color-cyan-very-light: #d9ebeb;
  --color-gray-light: #d1e1e6;
  --color-gray-cyan-light: #d0e2e6;
  --color-teal-light: #9bb9ba;
  --color-teal-medium: #6c9599;
  --color-teal-dark: #466466;
  --color-gray-cyan: #95a5a4;

  /* Semantic Colors */
  --color-primary: var(--color-blue-dark);
  --color-secondary: var(--color-blue-medium);
  --color-accent: var(--color-teal-dark);
  --color-background: var(--color-white);
  --color-surface: var(--color-cyan-very-light);
  --color-border: var(--color-gray-light);

  /* Text Colors */
  --color-text-primary: var(--color-blue-dark);
  --color-text-secondary: var(--color-blue-medium);
  --color-text-muted: var(--color-gray-cyan);
  --color-text-light: var(--color-white);

  /* Status Colors */
  --color-success: #12ae9b;
  --color-warning: #ff9800;
  --color-error: #f44336;
  --color-info: var(--color-teal-medium);

  /* Spacing Scale */
  --space-xxs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-xxl: 3rem;
  --space-xxxl: 4rem;

  /* Typography */
  --font-family-base: "Segoe UI", Roboto, -apple-system, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-xxl: 1.5rem;
  --font-size-xxxl: 2rem;

  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Line heights */
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;

  /* Border Radius */
  --border-radius-sm: 0.5rem;
  --border-radius-md: 1rem;
  --border-radius-lg: 1.5rem;
}

body {
  font-family: var(--font-family-base);
  background: var(--color-white);
  color: var(--color-text-primary);
  line-height: var(--line-height-normal);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
}

#appContainer {
  width: 100%;
  max-width: 450px;
  margin: 0 auto;
  background: var(--color-background);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}

/* Animation for modern feel */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

input {
  padding: 0.6em 0.2em;
  width: 100%;
  border-radius: 0.3em;
  border: 1px solid var(--color-gray-cyan);
  outline: none;
  color: var(--color-text-secondary);
}

.inputIconContainer {
  width: 100%;
  display: flex;
  align-items: center;
  border: 1px solid var(--color-gray-cyan);
  border-radius: 0.3em;
  padding: 0.35em;
}

.inputIconContainer .iconContainer {
  /* border: 1px solid #ccc; */
  /* height: 100%;
  width: 2em; */
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-cyan);
}

.inputIconContainer input {
  border: none;
  background: none;
  padding-left: 0.5em;
}

.form-group {
  margin-bottom: var(--space-lg);
  position: relative;
}

.form-group label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.iconContainer svg {
  height: 2.2em;
}

.notification {
  padding: var(--space-md);
  border-radius: var(--border-radius-sm);
  margin-bottom: var(--space-md);
  display: none;
  font-size: var(--font-size-sm);
  align-items: center;
  gap: var(--space-sm);
}

.ussd-footer{
  position: fixed;
  bottom: 0px;
  font-size: 0.85em;
  color:#502041;
  padding: 1em;
  opacity: 0.85;
}

@media (max-width: 480px) {
  body {
    padding: 0;
  }

  #appContainer {
    border-radius: 0;
    min-height: 100vh;
  }
}