/* ==========================================================================
   SHINSEMA Portfolio Pure Vanilla CSS Module
   - Completely independent from Tailwind CSS (Pure CSS)
   - Glitche Dark Theme & Brand Color Match (#141414, #363636, #0088cc)
   ========================================================================== */

:root {
	--pf-dark: #141414;
	--pf-card-bg: #1e1e24;
	--pf-card-border: rgba(255, 255, 255, 0.1);
	--pf-text-primary: #f0f0f0;
	--pf-text-secondary: #a0a0a0;
	--pf-accent: #0088cc;
	--pf-green: #10b981;
	--pf-amber: #f59e0b;
}

/* Portfolio App Outer Container */
.pf-container {
	position: relative;
	width: 100%;
	margin-top: 20px;
}

/* Category Filter Tabs */
.pf-filter-wrapper {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	justify-content: center;
	margin-bottom: 40px;
}

.pf-filter-btn {
	background: #18181c;
	border: 1px solid rgba(255, 255, 255, 0.15);
	color: #cccccc;
	padding: 9px 20px;
	border-radius: 30px;
	font-size: 14px;
	font-weight: 500;
	cursor: pointer;
	transition: all 0.25s ease;
	outline: none;
}

.pf-filter-btn:hover {
	border-color: var(--pf-accent);
	color: #ffffff;
	transform: translateY(-2px);
}

.pf-filter-btn.active {
	background: var(--pf-accent);
	color: #ffffff;
	border-color: var(--pf-accent);
	box-shadow: 0 4px 15px rgba(0, 136, 204, 0.4);
}

/* Vertical Timeline Line */
.pf-timeline-line {
	position: absolute;
	left: 20px;
	top: 15px;
	bottom: 15px;
	width: 2px;
	background: linear-gradient(180deg, var(--pf-accent) 0%, rgba(255, 255, 255, 0.1) 100%);
}

/* Node Container */
.pf-item-node {
	position: relative;
	margin-bottom: 45px;
	padding-left: 45px;
	opacity: 0;
	transform: translateY(30px);
	transition: opacity 0.6s ease, transform 0.6s ease;
}

.pf-item-node.is-revealed {
	opacity: 1;
	transform: translateY(0);
}

.pf-item-node::before {
	content: '';
	position: absolute;
	left: 15px;
	top: 8px;
	width: 12px;
	height: 12px;
	border-radius: 50%;
	background: var(--pf-accent);
	border: 2px solid #000000;
	box-shadow: 0 0 10px var(--pf-accent);
}

/* Year Badge Header */
.pf-year-badge {
	display: inline-block;
	background: var(--pf-accent);
	color: #ffffff;
	padding: 4px 14px;
	border-radius: 14px;
	font-size: 12px;
	font-weight: 700;
	letter-spacing: 0.05em;
	margin-bottom: 14px;
	text-transform: uppercase;
}

/* Portfolio Pure CSS Card */
.pf-card {
	background: #19191f;
	border: 1px solid var(--pf-card-border);
	border-radius: 14px;
	padding: 26px;
	box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
	transition: border-color 0.3s ease, transform 0.3s ease;
}

.pf-card:hover {
	border-color: rgba(0, 136, 204, 0.5);
	transform: translateY(-2px);
}

/* Status Pill */
.pf-status-pill {
	display: inline-block;
	padding: 4px 10px;
	border-radius: 4px;
	font-size: 12px;
	font-weight: 600;
	margin-bottom: 14px;
}

.pf-status-pill.active {
	background: rgba(16, 185, 129, 0.15);
	color: #34d399;
	border: 1px solid rgba(16, 185, 129, 0.3);
}

.pf-status-pill.completed {
	background: rgba(245, 158, 11, 0.15);
	color: #fbbf24;
	border: 1px solid rgba(245, 158, 11, 0.3);
}

/* Card Content Typography */
.pf-card-title {
	font-size: 20px;
	font-weight: 700;
	color: #ffffff;
	margin-top: 0;
	margin-bottom: 6px;
}

.pf-card-subtitle {
	font-size: 14px;
	color: var(--pf-accent);
	font-weight: 500;
	margin-bottom: 14px;
}

.pf-card-desc {
	font-size: 14px;
	color: #cccccc;
	line-height: 1.7;
	margin-bottom: 16px;
}

.pf-features-list {
	list-style: none;
	padding: 0;
	margin: 0 0 16px 0;
}

.pf-features-list li {
	font-size: 13px;
	color: #bbbbbb;
	margin-bottom: 6px;
	line-height: 1.5;
}

/* Tech Chips */
.pf-tech-chips {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	margin-bottom: 16px;
}

.pf-tech-chip {
	background: #25252e;
	color: #a0aec0;
	padding: 3px 10px;
	border-radius: 12px;
	font-size: 11px;
	font-weight: 500;
	border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Carousel Image Slider */
.pf-carousel-wrapper {
	position: relative;
	width: 100%;
	border-radius: 12px;
	overflow: hidden;
	background: #08080a;
	margin-top: 18px;
	border: 1px solid rgba(255, 255, 255, 0.08);
}

.pf-carousel-stage {
	display: flex;
	transition: transform 0.45s cubic-bezier(0.25, 1, 0.5, 1);
	width: 100%;
}

.pf-carousel-slide {
	min-width: 100%;
	display: flex;
	justify-content: center;
	align-items: center;
	position: relative;
}

.pf-carousel-slide img {
	max-height: 440px;
	width: 100%;
	object-fit: contain;
	background: #050505;
	display: block;
}

/* Controls */
.pf-carousel-btn {
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	width: 40px;
	height: 40px;
	border-radius: 50%;
	background: rgba(0, 0, 0, 0.75);
	color: #ffffff;
	border: 1px solid rgba(255, 255, 255, 0.25);
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	z-index: 10;
	transition: all 0.2s ease;
	font-size: 16px;
}

.pf-carousel-btn:hover {
	background: var(--pf-accent);
	border-color: var(--pf-accent);
}

.pf-carousel-btn.prev { left: 12px; }
.pf-carousel-btn.next { right: 12px; }

/* Dots */
.pf-carousel-dots {
	position: absolute;
	bottom: 12px;
	left: 50%;
	transform: translateX(-50%);
	display: flex;
	gap: 6px;
	z-index: 10;
	padding: 4px 10px;
	background: rgba(0, 0, 0, 0.6);
	border-radius: 12px;
}

.pf-dot {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: rgba(255, 255, 255, 0.4);
	cursor: pointer;
	transition: all 0.25s ease;
}

.pf-dot.active {
	background: #ffffff;
	width: 16px;
	border-radius: 4px;
}

/* Zoom label */
.pf-zoom-btn {
	position: absolute;
	right: 12px;
	top: 12px;
	background: rgba(0, 0, 0, 0.7);
	color: #eeeeee;
	padding: 5px 12px;
	border-radius: 16px;
	font-size: 11px;
	z-index: 9;
	border: 1px solid rgba(255, 255, 255, 0.2);
}

.pf-contact-notice {
	margin-top: 16px;
	padding: 12px 16px;
	background: rgba(0, 136, 204, 0.1);
	border-left: 4px solid var(--pf-accent);
	border-radius: 6px;
	font-size: 13px;
	color: #7dd3fc;
}

.pf-link-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	margin-top: 14px;
	margin-bottom: 8px;
	padding: 10px 22px;
	background: linear-gradient(135deg, #0088cc 0%, #006699 100%);
	color: #ffffff !important;
	font-size: 13px;
	font-weight: 700;
	letter-spacing: 0.03em;
	border-radius: 8px;
	text-decoration: none !important;
	box-shadow: 0 4px 14px rgba(0, 136, 204, 0.4);
	transition: all 0.25s cubic-bezier(0.25, 1, 0.5, 1);
	border: 1px solid rgba(255, 255, 255, 0.15);
}

.pf-link-btn:hover {
	background: linear-gradient(135deg, #0099ee 0%, #0077bb 100%);
	transform: translateY(-2px);
	box-shadow: 0 6px 20px rgba(0, 136, 204, 0.6);
	color: #ffffff !important;
}