/**
 * AgentPrem Base Styles
 * Reset, typography, and foundational styles
 */

/* Box sizing reset */
*, *::before, *::after {
    box-sizing: border-box;
}

/* Remove default margins */
body, h1, h2, h3, h4, h5, h6, p, ul, ol {
    margin: 0;
}

/* Body */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--app-bg);
    color: var(--text-dark);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Links */
a {
    color: var(--bg-medium);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--bg-deep-dark);
}

/* Images */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Lists */
ul, ol {
    padding-left: 1.5rem;
}

/* Code */
code {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
    font-size: 0.9em;
    background-color: rgba(0, 0, 0, 0.05);
    padding: 0.2em 0.4em;
    border-radius: 4px;
}

pre {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
    overflow-x: auto;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background-color: rgba(0, 0, 0, 0.3);
}

/* Selection */
::selection {
    background-color: var(--bg-light);
    color: var(--text-dark);
}

/* Focus visible */
:focus-visible {
    outline: 2px solid var(--bg-medium);
    outline-offset: 2px;
}

/* Hidden utility */
.hidden {
    display: none !important;
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}