/**
 * Kumparan Theme Core Stylesheet
 *
 * @package Kumparan
 */

/* ==========================================================================
   1. CSS Custom Properties / Design Tokens
   ========================================================================== */
:root {
	/* Brand Colors */
	--kumparan-cyan: #00A5AF;
	--kumparan-cyan-hover: #008e96;
	--kumparan-cyan-light: rgba(0, 165, 175, 0.08);
	--kumparan-cyan-glow: rgba(0, 165, 175, 0.25);
	--kumparan-red: #DC1641;
	--kumparan-red-hover: #b81034;

	/* Neutral Palette (Light Mode) */
	--bg-body: #EEEEEE;
	--bg-site: #FFFFFF;
	--bg-surface: #F8F9FA;
	--bg-card: #FFFFFF;
	--border-light: #EEEEEE;
	--border-subtle: #E2E4E8;
	--border-dark: #CCCCCC;

	/* Typography Colors */
	--text-primary: #0D0D0D;
	--text-secondary: #4A4A4A;
	--text-muted: #757575;
	--text-light: #9E9E9E;
	--text-white: #FFFFFF;

	/* Font Family */
	--font-main: 'Heebo', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

	/* Shadows & Radius */
	--radius-sm: 4px;
	--radius-md: 6px;
	--radius-lg: 10px;
	--radius-pill: 9999px;
	--shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.05);
	--shadow-card: 0 2px 8px rgba(0, 0, 0, 0.06);
	--shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.1);

	/* Transitions */
	--transition-fast: 0.15s ease;
	--transition-smooth: 0.25s cubic-bezier(0.4, 0, 0.2, 1);

	/* Layout Dimensions */
	--container-width: 1040px;
}

/* ==========================================================================
   2. Reset & Base Typography
   ========================================================================== */
*, *::before, *::after {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

html {
	font-size: 16px;
	line-height: 1.5;
	-webkit-text-size-adjust: 100%;
	scroll-behavior: smooth;
	scroll-padding-top: 130px;
}

body {
	font-family: var(--font-main);
	background-color: var(--bg-body);
	color: var(--text-primary);
	font-size: 0.95rem;
	font-weight: 400;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	text-rendering: optimizeLegibility;
	overflow-x: hidden;
}

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

a {
	color: inherit;
	text-decoration: none;
	transition: color var(--transition-fast);
}

a:hover {
	color: var(--kumparan-cyan);
}

button, input, textarea, select {
	font-family: inherit;
	font-size: inherit;
	line-height: inherit;
	border: none;
	outline: none;
}

button {
	cursor: pointer;
	background: none;
}

ul, ol {
	list-style: none;
}

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

/* ==========================================================================
   3. Main Layout Structure
   ========================================================================== */
.kumparan-site {
	display: flex;
	flex-direction: column;
	min-height: 100vh;
}

.kumparan-main-wrapper {
	flex: 1;
	padding-top: 118px; /* space for sticky multi-tier header */
	padding-bottom: 40px;
}

.kumparan-container {
	max-width: var(--container-width);
	margin-left: auto;
	margin-right: auto;
	padding-left: 16px;
	padding-right: 16px;
}

/* Standard Kumparan 2-Column Desktop Grid */
.kumparan-two-columns {
	display: grid;
	grid-template-columns: minmax(0, 1fr) 330px;
	gap: 28px;
	align-items: start;
	margin-top: 24px;
}

.kumparan-main-column {
	min-width: 0;
	background-color: var(--bg-card);
	border-radius: var(--radius-md);
	padding: 20px;
	border: 1px solid var(--border-light);
}

.kumparan-sidebar-column {
	min-width: 0;
}

/* ==========================================================================
   4. Reusable UI Components
   ========================================================================== */

/* Category Pill Badges */
.kumparan-cat-pill {
	display: inline-flex;
	align-items: center;
	font-size: 0.78rem;
	font-weight: 700;
	color: var(--kumparan-cyan);
	letter-spacing: -0.2px;
	transition: opacity var(--transition-fast);
}

.kumparan-cat-pill:hover {
	opacity: 0.85;
	color: var(--kumparan-cyan-hover);
}

.kumparan-cat-pill.pill-xs {
	font-size: 0.72rem;
}

.kumparan-cat-pill.pill-stream {
	font-size: 0.82rem;
	text-transform: none;
}

.kumparan-cat-pill.pill-hero {
	color: #FFFFFF;
	background-color: var(--kumparan-cyan);
	padding: 3px 10px;
	border-radius: var(--radius-sm);
	font-size: 0.75rem;
	text-transform: uppercase;
	letter-spacing: 0.5px;
}

.kumparan-cat-pill.pill-single {
	background-color: var(--kumparan-cyan-light);
	color: var(--kumparan-cyan);
	padding: 4px 12px;
	border-radius: var(--radius-sm);
	font-size: 0.85rem;
	font-weight: 700;
}

/* Kumparan Red/Cyan Accent Indicator Bar */
.kumparan-block-accent-bar {
	display: inline-block;
	width: 5px;
	height: 22px;
	background-color: var(--kumparan-red);
	border-radius: 2px;
	margin-right: 10px;
	flex-shrink: 0;
}

.kumparan-block-accent-bar.bar-cyan {
	background-color: var(--kumparan-cyan);
}

.kumparan-block-accent-bar.bar-large {
	height: 28px;
	width: 6px;
}

/* Author Badge */
.kumparan-author-badge {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	font-size: 0.82rem;
	font-weight: 500;
	color: var(--text-secondary);
}

.kumparan-author-avatar {
	width: 22px;
	height: 22px;
	border-radius: 50%;
	object-fit: cover;
	display: block;
}

.kumparan-author-name {
	font-weight: 600;
	color: var(--text-primary);
}

.kumparan-author-name:hover {
	color: var(--kumparan-cyan);
}

.kumparan-verified-icon, .verified-icon {
	width: 14px;
	height: 14px;
	display: inline-block;
	vertical-align: middle;
	flex-shrink: 0;
}

/* Cover Image Helper */
.kumparan-img-cover {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform var(--transition-smooth);
}

/* Live updates dot */
.live-dot, .pulse-dot {
	display: inline-block;
	width: 8px;
	height: 8px;
	background-color: var(--kumparan-red);
	border-radius: 50%;
	animation: kumparanPulse 1.6s infinite;
}

@keyframes kumparanPulse {
	0% {
		transform: scale(0.95);
		box-shadow: 0 0 0 0 rgba(220, 22, 65, 0.7);
	}
	70% {
		transform: scale(1.1);
		box-shadow: 0 0 0 6px rgba(220, 22, 65, 0);
	}
	100% {
		transform: scale(0.95);
		box-shadow: 0 0 0 0 rgba(220, 22, 65, 0);
	}
}

.meta-separator, .meta-dot {
	color: var(--text-light);
	font-size: 0.8rem;
	margin: 0 4px;
}

/* ==========================================================================
   5. Pagination Component
   ========================================================================== */
.kumparan-pagination-wrapper {
	margin-top: 30px;
	padding-top: 20px;
	border-top: 1px solid var(--border-light);
}

.kumparan-pagination-wrapper ul.page-numbers {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 6px;
	flex-wrap: wrap;
}

.kumparan-pagination-wrapper li {
	display: inline-block;
}

.kumparan-pagination-wrapper a.page-numbers,
.kumparan-pagination-wrapper span.page-numbers {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 38px;
	height: 38px;
	padding: 0 12px;
	border-radius: var(--radius-sm);
	font-size: 0.88rem;
	font-weight: 600;
	color: var(--text-primary);
	background-color: var(--bg-surface);
	border: 1px solid var(--border-subtle);
	transition: all var(--transition-fast);
}

.kumparan-pagination-wrapper a.page-numbers:hover {
	background-color: var(--kumparan-cyan-light);
	color: var(--kumparan-cyan);
	border-color: var(--kumparan-cyan);
}

.kumparan-pagination-wrapper span.page-numbers.current {
	background-color: var(--kumparan-cyan);
	color: #FFFFFF;
	border-color: var(--kumparan-cyan);
}

.kumparan-pagination-wrapper span.page-numbers.dots {
	background: transparent;
	border: none;
	color: var(--text-muted);
}

/* AJAX Load More Button */
.kumparan-loadmore-wrap {
	margin-top: 28px;
	text-align: center;
}

.btn-loadmore {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 10px;
	width: 100%;
	max-width: 340px;
	padding: 12px 24px;
	background-color: var(--bg-surface);
	border: 1.5px solid var(--kumparan-cyan);
	color: var(--kumparan-cyan);
	border-radius: var(--radius-pill);
	font-weight: 700;
	font-size: 0.92rem;
	transition: all var(--transition-fast);
}

.btn-loadmore:hover {
	background-color: var(--kumparan-cyan);
	color: #FFFFFF;
	box-shadow: 0 4px 12px var(--kumparan-cyan-glow);
}

.btn-loadmore:disabled {
	opacity: 0.6;
	cursor: not-allowed;
}

.loadmore-spinner {
	width: 16px;
	height: 16px;
	border: 2.5px solid currentColor;
	border-right-color: transparent;
	border-radius: 50%;
	animation: spin 0.75s linear infinite;
}

@keyframes spin {
	to { transform: rotate(360deg); }
}

/* Toast Alert Popup */
.kumparan-toast {
	position: fixed;
	bottom: 24px;
	left: 50%;
	transform: translateX(-50%) translateY(100px);
	background-color: rgba(13, 13, 13, 0.92);
	color: #FFFFFF;
	padding: 10px 20px;
	border-radius: var(--radius-pill);
	font-size: 0.88rem;
	font-weight: 500;
	box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
	z-index: 99999;
	opacity: 0;
	transition: all var(--transition-smooth);
	pointer-events: none;
}

.kumparan-toast.show {
	transform: translateX(-50%) translateY(0);
	opacity: 1;
}

/* Responsive Breakpoints */
@media screen and (max-width: 1024px) {
	.kumparan-two-columns {
		grid-template-columns: 1fr;
	}
	.kumparan-sidebar-column {
		margin-top: 10px;
	}
}

@media screen and (max-width: 640px) {
	.kumparan-main-wrapper {
		padding-top: 106px;
		padding-bottom: 75px; /* space for mobile bottom bar */
	}
	.kumparan-container {
		padding-left: 12px;
		padding-right: 12px;
	}
	.kumparan-main-column {
		padding: 14px;
	}
}