/* =============================================================================
   BASE STYLES - Reset & Foundation
   ============================================================================= */

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    line-height: 1.6;
    background-image: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0, 82, 255, 0.12), transparent),
        radial-gradient(ellipse 60% 40% at 100% 0%, rgba(0, 82, 255, 0.06), transparent);
    background-attachment: fixed;
    overflow-x: hidden;
}

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

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-hover);
}

/* Selection */
::selection {
    background: var(--primary);
    color: white;
}

/* Disable text selection on interface */
body {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* Allow selection on inputs, textareas, code blocks */
input,
textarea,
code,
pre,
.font-mono,
.pubkey-display,
.command-text,
.result-value,
[contenteditable="true"] {
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

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

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

a:hover {
    color: var(--primary-hover);
}

/* Lists */
ul, ol {
    list-style: none;
}

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

/* Buttons reset */
button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* Inputs reset */
input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* Container */
.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    width: 100%;
    box-sizing: border-box;
}

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

/* Visually hidden (for accessibility) */
.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;
}

/* Monospace text */
.mono {
    font-family: var(--font-mono);
}

/* Truncate text */
.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}