/* 
 * base.css
 * Core styles for Data Integration Platform
 * Consolidated from previous style.css and styles.css
 */

/*
 * Token Source: themes.css
 * All design tokens are consolidated in themes.css.
 * Legacy aliases below for backwards compatibility - prefer semantic tokens.
 */
:root {
  /* Legacy aliases - map to themes.css semantic tokens */
  --brand-primary: var(--primary);
  --brand-primary-dark: var(--primary-hover);
  --brand-primary-light: var(--primary-light);
  /* Gray scale uses themes.css --color-gray-* */
  --gray-100: var(--color-gray-50);
  --gray-200: var(--color-gray-100);
  --gray-300: var(--color-gray-200);
  --gray-400: var(--color-gray-300);
  --gray-500: var(--color-gray-400);
  --gray-600: var(--color-gray-500);
  --gray-700: var(--color-gray-600);
  --gray-800: var(--color-gray-700);
  --gray-900: var(--color-gray-800);
}

/* Body and general styles */
body {
    font-family: var(--font-sans);
    line-height: 1.6;
    background-color: var(--bg-body);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
    font-weight: 600;
    line-height: 1.2;
}

a {
    color: var(--link);
    text-decoration: none;
}

a:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

/* Navbar */
.navbar {
    background-color: var(--bg-card);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-weight: 600;
}

/* Cards */
.card {
    border-radius: 0.5rem;
    border: none;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    margin-bottom: 1.5rem;
}

.card-header {
    border-top-left-radius: 0.5rem;
    border-top-right-radius: 0.5rem;
    background-color: var(--gray-100);
    border-bottom: 1px solid var(--gray-300);
    padding: 0.75rem 1.25rem;
}

/* Buttons — base geometry only; colors in themes.css, variants in components.css */
.btn {
    padding: 0.375rem 0.75rem;
}

/* Forms */
.form-control {
    border-radius: 0.25rem;
    border: 1px solid var(--gray-400);
    padding: 0.375rem 0.75rem;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: var(--focus-ring);
}

.form-label {
    margin-bottom: 0.5rem;
    font-weight: 500;
}

/* Utilities */
.shadow-sm {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.shadow {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.rounded {
    border-radius: 0.25rem;
}

/* Containers */
.container {
    padding-right: 1rem;
    padding-left: 1rem;
}

/* Footer */
footer {
    background-color: var(--bg-card);
    border-top: 1px solid var(--gray-200);
    padding: 1.5rem 0;
    margin-top: auto;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .card {
        margin-bottom: 1rem;
    }
    
    .container {
        padding-right: 0.75rem;
        padding-left: 0.75rem;
    }
}