/* Custom cursor */
.cursor {
	position: fixed;
	width: 8px;
	height: 8px;
	background: var(--accent);
	border-radius: 50%;
	pointer-events: none;
	z-index: 9999;
	-webkit-transform: translate(-50%, -50%);
	transform: translate(-50%, -50%);
	transition: transform 0.1s, background 0.2s;
	mix-blend-mode: screen
}

.cursor-ring {
	position: fixed;
	width: 32px;
	height: 32px;
	border: 1px solid rgba(0, 255, 136, 0.3);
	border-radius: 50%;
	pointer-events: none;
	z-index: 9998;
	-webkit-transform: translate(-50%, -50%);
	transform: translate(-50%, -50%);
	transition: all 0.15s ease;
	mix-blend-mode: screen
}

body {
	cursor: default
}

body::after {
	content: '';
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background-image: -webkit-linear-gradient(rgba(0, 255, 136, 0.018) 1px, transparent 1px), -webkit-linear-gradient(90deg, rgba(0, 255, 136, 0.018) 1px, transparent 1px);
	background-image: linear-gradient(rgba(0, 255, 136, 0.018) 1px, transparent 1px), linear-gradient(90deg, rgba(0, 255, 136, 0.018) 1px, transparent 1px);
	background-size: 60px 60px;
	pointer-events: none;
	z-index: 0
}

nav {
	background: rgba(8, 10, 14, 0.9)
}

.progress-bar {
	position: fixed;
	top: 56px;
	left: 0;
	right: 0;
	height: 2px;
	background: var(--border);
	z-index: 99
}

.progress-fill {
	height: 100%;
	background: var(--accent);
	width: 0%;
	transition: width 0.1s
}

/* LIST PAGE */
#listPage {
	position: relative;
	z-index: 1
}

.hero {
	padding: 100px 40px 32px;
	max-width: 920px;
	margin: 0 auto
}

.eyebrow {
	font-family: 'JetBrains Mono', monospace;
	font-size: 11px;
	color: var(--text3);
	letter-spacing: 0.12em;
	margin-bottom: 14px
}

.eyebrow span {
	color: var(--accent)
}

h1.page-title {
	font-size: clamp(28px, 4vw, 44px);
	font-weight: 300;
	letter-spacing: -0.02em;
	margin-bottom: 8px
}

.hero-sub {
	font-size: 14px;
	color: var(--text2);
	font-weight: 300
}

.stats {
	display: -webkit-box;
	display: -ms-flexbox;
	display: flex;
	gap: 32px;
	padding: 20px 40px 0;
	max-width: 920px;
	margin: 0 auto
}

.stat-n {
	font-family: 'JetBrains Mono', monospace;
	font-size: 22px;
	font-weight: 500;
	color: var(--accent)
}

.stat-l {
	font-family: 'JetBrains Mono', monospace;
	font-size: 10px;
	color: var(--text3);
	letter-spacing: 0.08em
}

.toolbar {
	display: -webkit-box;
	display: -ms-flexbox;
	display: flex;
	gap: 8px;
	-ms-flex-wrap: wrap;
	flex-wrap: wrap;
	padding: 24px 40px 16px;
	max-width: 920px;
	margin: 0 auto
}

.search-input {
	-webkit-box-flex: 1;
	-ms-flex: 1;
	flex: 1;
	min-width: 180px;
	padding: 8px 14px;
	background: var(--bg2);
	border: 1px solid var(--border);
	border-radius: 4px;
	color: var(--text);
	font-family: 'JetBrains Mono', monospace;
}

.search-input::-webkit-input-placeholder {
	color: var(--text3)
}

.search-input::-moz-placeholder {
	color: var(--text3)
}

.search-input:-ms-input-placeholder {
	color: var(--text3)
}

.search-input::placeholder {
	color: var(--text3)
}

.search-input:focus {
	border-color: var(--border3)
}

.filter-btn {
	padding: 6px 13px;
	border-radius: 4px;
	font-family: 'JetBrains Mono', monospace;
	font-size: 10px;
	border: 1px solid var(--border2);
	background: transparent;
	color: var(--text3);
	cursor: pointer;
	transition: all 0.15s;
	letter-spacing: 0.06em
}

.filter-btn:hover {
	border-color: var(--border3);
	color: var(--text)
}

.filter-btn.active {
	background: var(--accent);
	color: #080a0e;
	border-color: var(--accent)
}

.posts-wrap {
	max-width: 920px;
	margin: 0 auto 80px;
	padding: 0 40px
}

.posts-grid {
	display: -ms-grid;
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
	gap: 1px;
	background: var(--border);
	border: 1px solid var(--border)
}

.post-card {
	background: var(--bg2);
	padding: 24px;
	cursor: pointer;
	transition: background 0.2s;
	position: relative;
	overflow: hidden
}

.post-card::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: -webkit-linear-gradient(135deg, rgba(0, 255, 136, 0.03), transparent 60%);
	background: linear-gradient(135deg, rgba(0, 255, 136, 0.03), transparent 60%);
	opacity: 0;
	transition: opacity 0.3s
}

.post-card:hover {
	background: var(--bg3)
}

.post-card:hover::before {
	opacity: 1
}

.pc-num {
	font-family: 'JetBrains Mono', monospace;
	font-size: 10px;
	color: var(--text3);
	margin-bottom: 12px
}

.pc-cat {
	display: inline-block;
	padding: 3px 9px;
	border-radius: 3px;
	font-family: 'JetBrains Mono', monospace;
	font-size: 10px;
	border: 1px solid;
	margin-bottom: 12px
}

.pc-title {
	font-size: 15px;
	font-weight: 500;
	color: var(--text);
	margin-bottom: 10px;
	line-height: 1.35
}

.pc-date {
	font-family: 'JetBrains Mono', monospace;
	font-size: 10px;
	color: var(--text3)
}

.pc-arrow {
	position: absolute;
	top: 18px;
	right: 18px;
	color: var(--text3);
	font-size: 13px;
	opacity: 0;
	transition: all 0.2s
}

.post-card:hover .pc-arrow {
	opacity: 1;
	color: var(--accent)
}

.state {
	max-width: 920px;
	margin: 0 auto;
	padding: 60px 40px;
	text-align: center
}

.state p {
	font-family: 'JetBrains Mono', monospace;
	font-size: 12px;
	color: var(--text3)
}

.err {
	color: var(--red) !important;
	margin-top: 8px;
	font-size: 11px !important
}

.spinner {
	width: 22px;
	height: 22px;
	border: 2px solid var(--border2);
	border-top-color: var(--accent);
	border-radius: 50%;
	animation: spin 0.8s linear infinite;
	margin: 0 auto 14px
}

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

/* POST PAGE */
#postPage {
	display: none;
	position: relative;
	z-index: 1;
	min-height: 100vh
}

.post-nav {
	display: -webkit-box;
	display: -ms-flexbox;
	display: flex;
	-webkit-box-align: center;
	-ms-flex-align: center;
	align-items: center;
	-webkit-box-pack: justify;
	-ms-flex-pack: justify;
	justify-content: space-between;
	padding: 72px 40px 0;
	max-width: 800px;
	margin: 0 auto
}

.back-btn {
	display: -webkit-inline-box;
	display: -ms-inline-flexbox;
	display: inline-flex;
	-webkit-box-align: center;
	-ms-flex-align: center;
	align-items: center;
	gap: 8px;
	font-family: 'JetBrains Mono', monospace;
	font-size: 11px;
	color: var(--text3);
	cursor: pointer;
	background: none;
	border: none;
	transition: color 0.2s;
	padding: 0
}

.back-btn:hover {
	color: var(--accent)
}

.read-time {
	font-family: 'JetBrains Mono', monospace;
	font-size: 10px;
	color: var(--text3)
}

.post-header {
	max-width: 800px;
	margin: 0 auto;
	padding: 24px 40px 36px
}

.post-cat-badge {
	display: inline-block;
	padding: 4px 12px;
	border-radius: 3px;
	font-family: 'JetBrains Mono', monospace;
	font-size: 11px;
	border: 1px solid;
	margin-bottom: 16px
}

.post-title {
	font-size: clamp(26px, 4vw, 42px);
	font-weight: 300;
	letter-spacing: -0.02em;
	line-height: 1.15;
	margin-bottom: 14px
}

.post-meta {
	display: -webkit-box;
	display: -ms-flexbox;
	display: flex;
	-webkit-box-align: center;
	-ms-flex-align: center;
	align-items: center;
	gap: 12px;
	font-family: 'JetBrains Mono', monospace;
	font-size: 11px;
	color: var(--text3);
	padding-bottom: 28px;
	border-bottom: 1px solid var(--border)
}

/* BLOCKS */
.post-content {
	max-width: 800px;
	margin: 0 auto;
	padding: 36px 40px 100px
}

.n-p {
	font-size: 16px;
	color: var(--text2);
	line-height: 1.85;
	margin-bottom: 18px;
	font-weight: 300
}

.n-h1 {
	font-size: 30px;
	font-weight: 400;
	color: var(--text);
	letter-spacing: -0.02em;
	margin: 48px 0 14px;
	line-height: 1.2
}

.n-h2 {
	font-size: 22px;
	font-weight: 400;
	color: var(--text);
	margin: 36px 0 10px;
	line-height: 1.3
}

.n-h3 {
	font-size: 17px;
	font-weight: 500;
	color: var(--text);
	margin: 28px 0 8px
}

.n-ul {
	list-style: none;
	padding-left: 8px;
	margin-bottom: 18px
}

.n-ul li {
	font-size: 15px;
	color: var(--text2);
	line-height: 1.75;
	margin-bottom: 6px;
	font-weight: 300;
	padding-left: 20px;
	position: relative
}

.n-ul li::before {
	content: '\25C6';
	color: var(--accent);
	position: absolute;
	left: 0;
	font-size: 9px;
	top: 5px
}

.n-ol {
	padding-left: 24px;
	margin-bottom: 18px
}

.n-ol li {
	font-size: 15px;
	color: var(--text2);
	line-height: 1.75;
	margin-bottom: 6px;
	font-weight: 300
}

.n-code {
	background: var(--bg2);
	border: 1px solid var(--border);
	border-radius: 6px;
	margin: 24px 0;
	overflow: hidden
}

.n-code-bar {
	font-family: 'JetBrains Mono', monospace;
	font-size: 10px;
	color: var(--text3);
	padding: 9px 16px;
	border-bottom: 1px solid var(--border);
	display: -webkit-box;
	display: -ms-flexbox;
	display: flex;
	-webkit-box-pack: justify;
	-ms-flex-pack: justify;
	justify-content: space-between;
	-webkit-box-align: center;
	-ms-flex-align: center;
	align-items: center;
	letter-spacing: 0.06em
}

.copy-btn {
	cursor: pointer;
	color: var(--text3);
	background: none;
	border: none;
	font-family: 'JetBrains Mono', monospace;
	font-size: 10px;
	transition: color 0.2s;
	padding: 0
}

.copy-btn:hover {
	color: var(--accent)
}

.n-code pre {
	padding: 18px 16px;
	overflow-x: auto
}

.n-code code {
	font-family: 'JetBrains Mono', monospace;
	font-size: 13px;
	color: var(--text);
	line-height: 1.7;
	white-space: pre
}

.n-quote {
	border-left: 2px solid var(--accent);
	padding: 12px 20px;
	margin: 24px 0;
	background: var(--bg2);
	border-radius: 0 4px 4px 0
}

.n-quote p {
	font-size: 15px;
	color: var(--text2);
	font-style: italic;
	line-height: 1.75;
	margin: 0
}

.n-callout {
	display: -webkit-box;
	display: -ms-flexbox;
	display: flex;
	gap: 14px;
	padding: 16px 20px;
	border-radius: 6px;
	margin: 24px 0;
	border: 1px solid var(--border);
	background: var(--bg2)
}

.n-callout-icon {
	font-size: 18px;
	-ms-flex-negative: 0;
	flex-shrink: 0;
	margin-top: 2px
}

.n-callout-text {
	font-size: 14px;
	color: var(--text2);
	line-height: 1.75
}

.cb-blue {
	border-color: #1a2d45;
	background: rgba(77, 159, 255, 0.05)
}

.cb-yellow {
	border-color: #3a2800;
	background: rgba(240, 165, 0, 0.05)
}

.cb-red {
	border-color: #3a1520;
	background: rgba(255, 77, 106, 0.05)
}

.cb-green {
	border-color: #003322;
	background: rgba(0, 255, 136, 0.05)
}

.cb-purple {
	border-color: #2a1a45;
	background: rgba(176, 108, 255, 0.05)
}

.n-divider {
	border: none;
	border-top: 1px solid var(--border);
	margin: 36px 0
}

.n-image {
	margin: 28px 0;
	border-radius: 6px;
	overflow: hidden;
	border: 1px solid var(--border)
}

.n-image img {
	width: 100%;
	height: auto;
	display: block
}

.n-image figcaption {
	font-family: 'JetBrains Mono', monospace;
	font-size: 11px;
	color: var(--text3);
	padding: 9px 14px;
	text-align: center;
	background: var(--bg2);
	border-top: 1px solid var(--border)
}

.n-toggle {
	margin-bottom: 10px
}

.n-toggle summary {
	font-size: 15px;
	color: var(--text);
	cursor: pointer;
	padding: 10px 14px;
	background: var(--bg2);
	border: 1px solid var(--border);
	border-radius: 4px;
	list-style: none;
	display: -webkit-box;
	display: -ms-flexbox;
	display: flex;
	-webkit-box-align: center;
	-ms-flex-align: center;
	align-items: center;
	gap: 10px;
	-webkit-user-select: none;
	-moz-user-select: none;
	-ms-user-select: none;
	user-select: none;
	transition: background 0.15s
}

.n-toggle summary::-webkit-details-marker {
	display: none
}

.n-toggle summary:hover {
	background: var(--bg3)
}

.n-toggle summary::before {
	content: '\25B6';
	font-size: 9px;
	color: var(--text3);
	transition: -webkit-transform 0.2s;
	transition: transform 0.2s;
	transition: transform 0.2s, -webkit-transform 0.2s;
	-ms-flex-negative: 0;
	flex-shrink: 0
}

.n-toggle[open] summary::before {
	-webkit-transform: rotate(90deg);
	transform: rotate(90deg)
}

.n-toggle-body {
	padding: 12px 14px 4px 34px;
	border: 1px solid var(--border);
	border-top: none;
	border-radius: 0 0 4px 4px;
	background: rgba(13, 17, 23, 0.5)
}

.n-todo {
	display: -webkit-box;
	display: -ms-flexbox;
	display: flex;
	-webkit-box-align: start;
	-ms-flex-align: start;
	align-items: flex-start;
	gap: 10px;
	margin-bottom: 8px
}

.n-check {
	width: 16px;
	height: 16px;
	border: 1px solid var(--border2);
	border-radius: 3px;
	-ms-flex-negative: 0;
	flex-shrink: 0;
	margin-top: 3px;
	display: -webkit-box;
	display: -ms-flexbox;
	display: flex;
	-webkit-box-align: center;
	-ms-flex-align: center;
	align-items: center;
	-webkit-box-pack: center;
	-ms-flex-pack: center;
	justify-content: center;
	font-size: 10px
}

.n-check.done {
	background: var(--accent);
	border-color: var(--accent);
	color: #080a0e
}

.n-todo-text {
	font-size: 15px;
	color: var(--text2);
	line-height: 1.65
}

.n-todo-text.done {
	text-decoration: line-through;
	color: var(--text3)
}

.n-bookmark {
	display: -webkit-box;
	display: -ms-flexbox;
	display: flex;
	border: 1px solid var(--border);
	border-radius: 6px;
	overflow: hidden;
	margin: 20px 0;
	text-decoration: none;
	transition: border-color 0.2s;
	background: var(--bg2)
}

.n-bookmark:hover {
	border-color: var(--border3)
}

.n-bookmark-info {
	padding: 14px 18px;
	-webkit-box-flex: 1;
	-ms-flex: 1;
	flex: 1
}

.n-bookmark-title {
	font-size: 14px;
	font-weight: 500;
	color: var(--text);
	margin-bottom: 4px
}

.n-bookmark-desc {
	font-size: 12px;
	color: var(--text3);
	line-height: 1.5;
	margin-bottom: 6px
}

.n-bookmark-url {
	font-family: 'JetBrains Mono', monospace;
	font-size: 10px;
	color: var(--accent2)
}

.n-video-wrap {
	position: relative;
	padding-bottom: 56.25%;
	height: 0;
	overflow: hidden;
	margin: 24px 0;
	border-radius: 6px;
	border: 1px solid var(--border)
}

.n-video-wrap iframe {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	border: none
}

.n-equation {
	font-family: 'JetBrains Mono', monospace;
	font-size: 14px;
	color: var(--accent3);
	text-align: center;
	padding: 16px;
	background: var(--bg2);
	border: 1px solid var(--border);
	border-radius: 4px;
	margin: 18px 0
}

.n-table-wrap {
	overflow-x: auto;
	margin: 24px 0;
	border: 1px solid var(--border);
	border-radius: 6px
}

.n-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 13px
}

.n-table th {
	background: var(--bg3);
	color: var(--text);
	font-weight: 500;
	padding: 9px 14px;
	text-align: left;
	border-bottom: 1px solid var(--border);
	font-family: 'JetBrains Mono', monospace;
	font-size: 11px;
	letter-spacing: 0.04em
}

.n-table td {
	padding: 9px 14px;
	color: var(--text2);
	border-bottom: 1px solid var(--border)
}

.n-table tr:last-child td {
	border-bottom: none
}

.n-table tr:hover td {
	background: var(--bg3)
}

/* inline rich text */
.rt-bold {
	color: var(--text);
	font-weight: 500
}

.rt-italic {
	font-style: italic
}

.rt-strike {
	text-decoration: line-through;
	color: var(--text3)
}

.rt-under {
	text-decoration: underline
}

.rt-code {
	font-family: 'JetBrains Mono', monospace;
	font-size: 12px;
	background: var(--bg3);
	border: 1px solid var(--border);
	padding: 2px 6px;
	border-radius: 3px;
	color: var(--accent)
}

.rt-link {
	color: var(--accent2);
	text-decoration: none
}

.rt-link:hover {
	text-decoration: underline
}

.c-red {
	color: #ff6b6b
}

.c-green {
	color: var(--accent)
}

.c-blue {
	color: var(--accent2)
}

.c-yellow {
	color: var(--accent3)
}

.c-purple {
	color: var(--accent4)
}

.c-pink {
	color: #ff6eb4
}

.c-gray {
	color: var(--text3)
}

.c-brown {
	color: #c97b4b
}

.c-orange {
	color: #f0804d
}

.bg-red {
	background: rgba(255, 77, 106, 0.12);
	padding: 1px 4px;
	border-radius: 2px
}

.bg-green {
	background: rgba(0, 255, 136, 0.1);
	padding: 1px 4px;
	border-radius: 2px
}

.bg-blue {
	background: rgba(77, 159, 255, 0.1);
	padding: 1px 4px;
	border-radius: 2px
}

.bg-yellow {
	background: rgba(240, 165, 0, 0.1);
	padding: 1px 4px;
	border-radius: 2px
}

.bg-purple {
	background: rgba(176, 108, 255, 0.1);
	padding: 1px 4px;
	border-radius: 2px
}

/* category colors */
.cat-networking {
	color: #4d9fff;
	border-color: #1a2d45
}

.cat-python {
	color: #b06cff;
	border-color: #2a1a45
}

.cat-dsa {
	color: #b06cff;
	border-color: #2a1a45
}

.cat-study,
.cat-studynotes {
	color: #00ff88;
	border-color: #003322
}

.cat-project,
.cat-projects {
	color: #f0a500;
	border-color: #3a2800
}

.cat-tutorial {
	color: #00ff88;
	border-color: #003322
}

.cat-article {
	color: #4d9fff;
	border-color: #1a2d45
}

.cat-guide {
	color: #f0a500;
	border-color: #3a2800
}

.cat-default {
	color: var(--text3);
	border-color: var(--border2)
}

@media(max-width:768px) {

	.hero,
	.stats,
	.toolbar,
	.posts-wrap,
	.post-header,
	.post-content,
	.post-nav {
		padding-left: 20px;
		padding-right: 20px
	}

	.posts-grid {
		-ms-grid-columns: 1fr;
		grid-template-columns: 1fr
	}
}

.n-image img{
  width:100%;
  max-width:100%;
  height:auto;
  display:block;
  max-height:500px;
  object-fit:contain;
  background:var(--bg2);
}

.post-content img{
  max-width:100%;
  max-height:480px;
  object-fit:contain;
  display:block;
  margin:16px auto;
  border-radius:6px;
  border:1px solid var(--border);
}