/**
 * Base Elements - Nuclear Engagement Plugin
 *
 * Styling for HTML elements without classes.
 * Provides sensible defaults and typography baseline.
 */

/* === HTML & BODY === */

html {
	font-size: 16px;
	line-height: var(--ne-line-height-normal);
	text-size-adjust: 100%;
}

body {
	background-color: var(--ne-bg-primary);
	color: var(--ne-text-primary);
	font-family: var(--ne-font-family-sans);
	font-size: var(--ne-font-size-base);
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	font-weight: var(--ne-font-weight-normal);
	line-height: var(--ne-line-height-normal);
	margin: 0;
	padding: 0;
}

/* === TYPOGRAPHY === */

h1, h2, h3, h4, h5, h6 {
	color: var(--ne-text-primary);
	font-weight: var(--ne-font-weight-semibold);
	line-height: var(--ne-line-height-tight);
	margin: 0 0 var(--ne-space-4) 0;
}

h1 {
	font-size: var(--ne-font-size-3xl);
	font-weight: var(--ne-font-weight-bold);
}

h2 {
	font-size: var(--ne-font-size-2xl);
}

h3 {
	font-size: var(--ne-font-size-xl);
}

h4 {
	font-size: var(--ne-font-size-lg);
}

h5 {
	font-size: var(--ne-font-size-base);
}

h6 {
	font-size: var(--ne-font-size-sm);
	font-weight: var(--ne-font-weight-medium);
	letter-spacing: var(--ne-letter-spacing-wide);
	text-transform: uppercase;
}

p {
	line-height: var(--ne-line-height-relaxed);
	margin: 0 0 var(--ne-space-4) 0;
}

p:last-child {
	margin-bottom: 0;
}

/* === LINKS === */

a {
	color: var(--ne-color-primary-600);
	text-decoration: underline;
	text-decoration-thickness: 1px;
	text-underline-offset: 2px;
	transition: color var(--ne-duration-200) var(--ne-ease-out);
}

a:hover {
	color: var(--ne-color-primary-700);
	text-decoration-thickness: 2px;
}

a:focus {
	border-radius: var(--ne-radius-sm);
	outline: 2px solid var(--ne-color-primary-500);
	outline-offset: 2px;
}

/* === LISTS === */

ul, ol {
	margin: 0 0 var(--ne-space-4) 0;
	padding-left: var(--ne-space-6);
}

ul {
	list-style-type: disc;
}

ol {
	list-style-type: decimal;
}

li {
	line-height: var(--ne-line-height-relaxed);
	margin-bottom: var(--ne-space-1);
}

li:last-child {
	margin-bottom: 0;
}

/* Nested lists */
ul ul, ol ol, ul ol, ol ul {
	margin-bottom: var(--ne-space-1);
	margin-top: var(--ne-space-1);
}

/* === FORM ELEMENTS === */

input, textarea, select, button {
	font-family: inherit;
	font-size: inherit;
	line-height: inherit;
}

input, textarea, select {
	background-color: var(--ne-bg-primary);
	border: var(--ne-border-width-1) solid var(--ne-border-primary);
	border-radius: var(--ne-radius-md);
	padding: var(--ne-space-3) var(--ne-space-4);
	transition: border-color var(--ne-duration-200) var(--ne-ease-out),
				box-shadow var(--ne-duration-200) var(--ne-ease-out);
}

input:focus,
textarea:focus,
select:focus {
	border-color: var(--ne-border-focus);
	box-shadow: 0 0 0 3px rgb(33 150 243 / 10%);
	outline: none;
}

input[type="color"] {
	cursor: pointer;
	height: 40px;
	padding: var(--ne-space-1);
	width: 60px;
}

input[type="range"] {
	background: transparent;
	border: none;
	padding: 0;
}

textarea {
	min-height: 100px;
	resize: vertical;
}

select {
	appearance: none;
	background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3E%3C/svg%3E");
	background-position: right var(--ne-space-3) center;
	background-repeat: no-repeat;
	background-size: 16px 12px;
	padding-right: var(--ne-space-10);
}

button {
	background-color: var(--ne-color-primary-500);
	border: none;
	border-radius: var(--ne-radius-md);
	color: white;
	cursor: pointer;
	font-weight: var(--ne-font-weight-medium);
	padding: var(--ne-space-3) var(--ne-space-6);
	transition: background-color var(--ne-duration-200) var(--ne-ease-out),
				transform var(--ne-duration-100) var(--ne-ease-out);
}

button:hover {
	background-color: var(--ne-color-primary-600);
}

button:active {
	transform: translateY(1px);
}

button:disabled {
	background-color: var(--ne-color-neutral-300);
	color: var(--ne-color-neutral-500);
	cursor: not-allowed;
	transform: none;
}

/* === TABLES === */

table {
	border-collapse: collapse;
	margin-bottom: var(--ne-space-6);
	width: 100%;
}

th, td {
	border-bottom: var(--ne-border-width-1) solid var(--ne-border-primary);
	padding: var(--ne-space-3) var(--ne-space-4);
	text-align: left;
}

th {
	background-color: var(--ne-bg-secondary);
	color: var(--ne-text-primary);
	font-weight: var(--ne-font-weight-semibold);
}

tr:hover {
	background-color: var(--ne-bg-secondary);
}

/* === CODE === */

code, pre {
	font-family: var(--ne-font-family-mono);
	font-size: 0.875em;
}

code {
	background-color: var(--ne-bg-secondary);
	border-radius: var(--ne-radius-sm);
	color: var(--ne-color-primary-700);
	padding: var(--ne-space-1) var(--ne-space-2);
}

pre {
	background-color: var(--ne-bg-secondary);
	border: var(--ne-border-width-1) solid var(--ne-border-primary);
	border-radius: var(--ne-radius-md);
	margin-bottom: var(--ne-space-4);
	overflow-x: auto;
	padding: var(--ne-space-4);
}

pre code {
	background: none;
	color: inherit;
	padding: 0;
}

/* === BLOCKQUOTE === */

blockquote {
	background-color: var(--ne-bg-secondary);
	border-left: 4px solid var(--ne-color-primary-500);
	color: var(--ne-text-secondary);
	font-style: italic;
	margin: 0 0 var(--ne-space-6) 0;
	padding: var(--ne-space-4) var(--ne-space-6);
}

blockquote p:last-child {
	margin-bottom: 0;
}

/* === HORIZONTAL RULE === */

hr {
	background-color: var(--ne-border-primary);
	border: none;
	height: var(--ne-border-width-1);
	margin: var(--ne-space-8) 0;
}

/* === IMAGES === */

img {
	border-radius: var(--ne-radius-md);
	height: auto;
	max-width: 100%;
}

/* === DETAILS & SUMMARY === */

details {
	border: var(--ne-border-width-1) solid var(--ne-border-primary);
	border-radius: var(--ne-radius-md);
	margin-bottom: var(--ne-space-4);
}

summary {
	background-color: var(--ne-bg-secondary);
	border-radius: var(--ne-radius-md);
	cursor: pointer;
	font-weight: var(--ne-font-weight-medium);
	padding: var(--ne-space-4);
	transition: background-color var(--ne-duration-200) var(--ne-ease-out);
}

summary:hover {
	background-color: var(--ne-bg-tertiary);
}

details[open] summary {
	border-bottom: var(--ne-border-width-1) solid var(--ne-border-primary);
	border-radius: var(--ne-radius-md) var(--ne-radius-md) 0 0;
}

details > *:not(summary) {
	padding: var(--ne-space-4);
}

/* === MARK === */

mark {
	background-color: var(--ne-color-warning-100);
	border-radius: var(--ne-radius-sm);
	color: var(--ne-color-warning-900);
	padding: var(--ne-space-0-5) var(--ne-space-1);
}

/* === SMALL === */

small {
	color: var(--ne-text-secondary);
	font-size: var(--ne-font-size-sm);
}

/* === STRONG & B === */

strong, b {
	font-weight: var(--ne-font-weight-semibold);
}

/* === EM & I === */

em, i {
	font-style: italic;
}