/**
 * skeleton.css - Core CSS Framework
 * 
 * NOTICE: This file is CORE-OWNED and should NOT be modified by AI agents.
 * Only minimal reset/normalize styles belong here.
 * All module-specific styles must go in custom.css
 */

/* Basic CSS Reset / Normalize */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: #333;
    background-color: #fff;
}

/* Headers reset */
h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    font-weight: 500;
    line-height: 1.2;
}

/* Links */
a {
    color: #007bff;
    text-decoration: none;
    background-color: transparent;
}

a:hover {
    text-decoration: underline;
}

/* Images */
img {
    border-style: none;
    max-width: 100%;
    height: auto;
}

/* Tables */
table {
    border-collapse: collapse;
}

/* Forms */
button,
input,
optgroup,
select,
textarea {
    margin: 0;
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
}

button,
input {
    overflow: visible;
}

button,
select {
    text-transform: none;
}

button,
[type="button"],
[type="reset"],
[type="submit"] {
    -webkit-appearance: button;
}

/* Remove inner padding in Firefox */
button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
    border-style: none;
    padding: 0;
}

/* Restore focus styles in Firefox */
button:-moz-focusring,
[type="button"]:-moz-focusring,
[type="reset"]:-moz-focusring,
[type="submit"]:-moz-focusring {
    outline: 1px dotted ButtonText;
}

/* Hidden attribute */
[hidden] {
    display: none !important;
}