/* ===== Color tokens ===== */
:root {
	--bg-primary: #f9fafb;
	--bg-secondary: #f3f4f6;
	--bg-card: #ffffff;
	--border-color: #e5e7eb;
	--accent-primary: #7c3aed;
	--accent-hover: #6d28d9;
	--text-primary: #111827;
	--text-secondary: #374151;
	--text-muted: #6b7280;
	--tab-bg: #ffffff;
	--tab-hover-bg: #f3f4f6;
	--tab-active-bg: #7c3aed;
	--tab-active-text: #ffffff;
	--timeline-line: #d1d5db;
	--badge-bg: #ede9fe;
	--badge-text: #6d28d9;
	--footer-bg: #f3f4f6;
	--footer-link: #7c3aed;
	--shadow: rgba(0, 0, 0, 0.07);
	--modal-bg: #ffffff;
	--modal-border: #e5e7eb;
	--close-color: #9ca3af;
	--close-hover: #111827;
}

[data-theme="dark"] {
	--bg-primary: #111827;
	--bg-secondary: #1f2937;
	--bg-card: #1f2937;
	--border-color: #374151;
	--accent-primary: #a855f7;
	--accent-hover: #9333ea;
	--text-primary: #f9fafb;
	--text-secondary: #e5e7eb;
	--text-muted: #9ca3af;
	--tab-bg: #1f2937;
	--tab-hover-bg: #374151;
	--tab-active-bg: #7c3aed;
	--tab-active-text: #ffffff;
	--timeline-line: #374151;
	--badge-bg: #2d1f5e;
	--badge-text: #c084fc;
	--footer-bg: #1f2937;
	--footer-link: #a855f7;
	--shadow: rgba(0, 0, 0, 0.3);
	--modal-bg: #1f2937;
	--modal-border: #374151;
	--close-color: #6b7280;
	--close-hover: #f9fafb;
}

/* ===== Base ===== */
html {
	font-family: "Lato", sans-serif;
	font-size: 16px;
}

body {
	background-color: var(--bg-primary);
	color: var(--text-primary);
	transition:
		background-color 0.2s ease,
		color 0.2s ease;
	display: flex;
	flex-direction: column;
	min-height: 100vh;
}

/* ===== Header / Nav ===== */
header {
	background-color: var(--tab-bg);
	border-bottom: 1px solid var(--border-color);
	position: relative;
}

.tab {
	overflow: hidden;
	width: 100vw;
	background-color: var(--tab-bg);
	display: inline-flex;
	align-items: center;
	border-bottom: 2px solid var(--border-color);
}

.tab button {
	background-color: transparent;
	border: none;
	outline: none;
	cursor: pointer;
	padding: 14px 20px;
	transition:
		background-color 0.2s ease,
		color 0.2s ease;
	color: var(--text-secondary);
	font-size: 0.95rem;
	font-family: inherit;
}

.tab button:hover {
	background-color: var(--tab-hover-bg);
	color: var(--accent-primary);
}

.resume-nav-btn {
	background-color: transparent;
	border: none;
	outline: none;
	cursor: pointer;
	padding: 14px 20px;
	transition:
		background-color 0.2s ease,
		color 0.2s ease;
	color: var(--text-secondary);
	font-size: 0.95rem;
	font-family: inherit;
	text-decoration: none;
}

.resume-nav-btn:hover {
	background-color: var(--tab-hover-bg);
	color: var(--accent-primary);
}

.tab button.active {
	background-color: var(--tab-active-bg);
	color: var(--tab-active-text);
	border-radius: 4px;
}

/* Theme toggle */
#theme-toggle {
	margin-left: auto;
	margin-right: 12px;
	padding: 6px 14px;
	cursor: pointer;
	font-size: 0.8rem;
	color: var(--text-secondary);
	font-family: inherit;
	transition:
		background-color 0.2s ease,
		color 0.2s ease;
}

#theme-toggle:hover {
	background-color: var(--tab-bg);
	color: var(--accent-primary);
}

/* ===== Main ===== */
main {
	flex: 1;
	text-align: center;
	padding-bottom: 2rem;
}

main h3 {
	margin: 1%;
	color: var(--text-secondary);
}

main > * {
	line-height: 1.5;
}

/* ===== Typography ===== */
h1 {
	font-size: 4rem;
}

h2 {
	font-size: 1.1rem;
	font-weight: 600;
	margin: 0;
}

h3 {
	font-size: 2rem;
}

th {
	text-decoration: underline;
	font-weight: bold;
	color: var(--text-secondary);
}

th,
td {
	padding: 15px;
}

/* ===== Footer ===== */
footer {
	text-align: center;
	background-color: var(--footer-bg);
	border-top: 1px solid var(--border-color);
}

footer > p {
	padding: 0.5rem;
}

footer > p > a {
	text-decoration: none;
	color: inherit;
}

footer > p > a:hover {
	text-decoration: underline;
}

/* ===== Timeline ===== */
.flex-container {
	display: flex;
}

.timeline-card {
	position: relative;
	align-items: center;
	padding-top: 2.5rem;
	padding-bottom: 2.5rem;
}

div.line {
	position: absolute;
	left: 50%;
	height: 100%;
	transform: translateX(-50%);
	background-color: var(--timeline-line);
	padding-left: 1px;
	padding-right: 1px;
}

.timeline-cards:last-child div.dot {
	display: none;
}

div.dot {
	position: absolute;
	left: 50%;
	height: 0.5rem;
	width: 0.5rem;
	transform: translateX(-50%);
	border-radius: 9999px;
	border: 4px solid var(--bg-primary);
	background-color: var(--accent-primary);
}

time.time-right {
	position: absolute;
	left: calc(50% + 1rem);
	display: inline-flex;
	height: auto;
	min-height: 1.5rem;
	width: 8rem;
	align-items: center;
	justify-content: center;
	border-radius: 9999px;
	background-color: var(--badge-bg);
	padding: 0.25rem 0.5rem;
	font-size: 0.75rem;
	text-transform: uppercase;
	color: var(--badge-text);
	text-align: left;
}

time.time-left {
	position: absolute;
	right: calc(50% + 1rem);
	display: inline-flex;
	height: auto;
	min-height: 1.5rem;
	width: 8rem;
	align-items: center;
	justify-content: center;
	border-radius: 9999px;
	background-color: var(--badge-bg);
	padding: 0.25rem 0.5rem;
	font-size: 0.75rem;
	text-transform: uppercase;
	color: var(--badge-text);
	text-align: left;
}

button.card-right {
	position: relative;
	display: block;
	min-width: 420px;
	width: 28rem;
	border-radius: 0.5rem;
	border: 1px solid var(--border-color);
	background-color: var(--bg-card);
	color: var(--text-primary);
	padding: 1rem;
	box-shadow: 0 1px 4px var(--shadow);
	transition:
		border-color 0.2s ease,
		box-shadow 0.2s ease,
		background-color 0.2s ease;
	left: calc(50% + 11rem);
	cursor: pointer;
	font-family: inherit;
	text-align: left;
}

button.card-right:hover {
	border-color: var(--accent-primary);
	box-shadow: 0 2px 8px var(--shadow);
}

button.card-left {
	position: relative;
	display: block;
	min-width: 420px;
	width: 28rem;
	border-radius: 0.5rem;
	border: 1px solid var(--border-color);
	background-color: var(--bg-card);
	color: var(--text-primary);
	padding: 1rem;
	box-shadow: 0 1px 4px var(--shadow);
	transition:
		border-color 0.2s ease,
		box-shadow 0.2s ease,
		background-color 0.2s ease;
	left: calc(50% - 39rem);
	cursor: pointer;
	font-family: inherit;
	text-align: left;
}

button.card-left:hover {
	border-color: var(--accent-primary);
	box-shadow: 0 2px 8px var(--shadow);
}

.card-content {
	align-items: center;
	gap: 0.6rem;
	width: 100%;
}

.card-logo {
	height: 2rem;
	width: auto;
	max-width: 5rem;
	object-fit: contain;
	flex-shrink: 0;
	background-color: #fff;
	padding: 2px;
	border-radius: 3px;
}

.card-logo-right {
	margin-left: auto;
}

/* ===== Modal ===== */
.modal {
	display: none;
	position: fixed;
	z-index: 1;
	left: 0;
	top: 0;
	width: 100%;
	height: 100%;
	overflow: auto;
	background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
	position: relative;
	background-color: var(--modal-bg);
	color: var(--text-primary);
	margin: 12% auto 2rem;
	padding: 20px;
	border: 1px solid var(--modal-border);
	border-radius: 0.5rem;
	width: 80%;
	box-shadow: 0 4px 24px var(--shadow);
	box-sizing: border-box;
}

.close {
	position: absolute;
	top: 1rem;
	right: 1.25rem;
	color: var(--close-color);
	font-size: 24px;
	font-weight: bold;
	line-height: 1;
	transition: color 0.2s ease;
}

.close:hover,
.close:focus {
	color: var(--close-hover);
	text-decoration: none;
	cursor: pointer;
}

/* ===== Modal content classes ===== */
.modal-header {
	padding-right: 2rem;
}

.modal-company {
	font-size: 1.6rem;
	margin: 0 0 0.3rem;
	color: var(--text-primary);
	font-weight: bold;
}

.modal-position {
	font-size: 1rem;
	color: var(--accent-primary);
	margin: 0 0 0.25rem;
	font-weight: 600;
}

.modal-date {
	font-size: 0.85rem;
	color: var(--text-muted);
	margin: 0;
}

.modal-position-header {
	margin-top: 0.75rem;
}

.modal-section-separator {
	border: none;
	border-top: 2px solid var(--border-color);
	margin: 1.5rem 0 0;
}

.skill-pills {
	display: flex;
	flex-wrap: wrap;
	gap: 0.4rem;
	margin-top: 0.75rem;
	justify-content: center;
}

.skill-pill {
	display: inline-block;
	background-color: var(--badge-bg);
	color: var(--badge-text);
	border-radius: 9999px;
	padding: 0.2rem 0.65rem;
	font-size: 0.75rem;
	font-weight: 600;
	letter-spacing: 0.02em;
}

.modal-divider {
	border: none;
	border-top: 1px solid var(--border-color);
	margin: 1.5rem 0;
}

.modal-body {
	color: var(--text-secondary);
	font-size: 0.95rem;
	line-height: 1.6;
	text-align: left;
	margin: 0;
}

/* ===== Home page ===== */
.home-wrapper {
	padding: 3rem 2rem 2rem;
	max-width: 720px;
	margin: 0 auto;
}

.home-wrapper h1 {
	margin-top: 0;
}

.tagline {
	font-size: 1.25rem;
	color: var(--accent-primary);
	margin-top: 0.5rem;
}

.bio {
	color: var(--text-secondary);
	margin-top: 1.25rem;
	max-width: 55ch;
	margin-left: auto;
	margin-right: auto;
	line-height: 1.7;
}

.tech-section {
	margin-top: 2.5rem;
}

.tech-heading {
	font-size: 1.1rem !important;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--text-muted) !important;
	margin-bottom: 1rem;
}

.tech-grid {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 0.5rem;
	margin-top: 0.75rem;
}

.tech-chip {
	display: inline-block;
	padding: 4px 14px;
	border-radius: 9999px;
	border: 1px solid var(--accent-primary);
	color: var(--accent-primary);
	font-size: 0.85rem;
}

/* ===== Projects page ===== */
.projects-wrapper {
	padding: 3rem 2rem 2rem;
	max-width: 1080px;
	margin: 0 auto;
}

.projects-wrapper h3 {
	margin-top: 0;
}

.project-card {
	background-color: var(--bg-card);
	border: 1px solid var(--border-color);
	border-radius: 0.75rem;
	padding: 2rem;
	margin-top: 2rem;
	box-shadow: 0 1px 4px var(--shadow);
	text-align: left;
	display: grid;
	grid-template-columns: 1fr auto;
	gap: 2rem;
	align-items: start;
}

.project-info {
	display: flex;
	flex-direction: column;
	min-width: 0;
}

.project-title {
	font-size: 1.6rem !important;
	font-weight: 700;
	color: var(--text-primary);
	margin: 0;
}

.project-tagline {
	color: var(--accent-primary);
	font-size: 1rem;
	margin: 0.25rem 0 0;
}

.project-description {
	color: var(--text-secondary);
	font-size: 0.95rem;
	line-height: 1.7;
	margin-top: 1rem;
	max-width: 60ch;
}

.project-stack {
	justify-content: flex-start;
	margin-top: 1.25rem;
}

.project-actions {
	margin-top: 1.75rem;
}

/* ===== Carousel ===== */
.project-carousel {
	width: 280px;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 0.6rem;
}

.carousel-viewport {
	width: 100%;
	height: 480px;
	padding: 0;
	background-color: var(--bg-secondary);
	border: 1px solid var(--border-color);
	border-radius: 0.5rem;
	overflow: hidden;
	cursor: zoom-in;
	display: flex;
	align-items: center;
	justify-content: center;
	transition:
		border-color 0.2s ease,
		box-shadow 0.2s ease;
}

.carousel-viewport:hover {
	border-color: var(--accent-primary);
	box-shadow: 0 2px 10px var(--shadow);
}

.carousel-image {
	max-width: 100%;
	max-height: 100%;
	object-fit: contain;
	display: block;
}

.carousel-caption {
	font-size: 0.8rem;
	color: var(--text-muted);
	text-align: center;
	line-height: 1.35;
	margin: 0;
	min-height: 2.2em;
}

.carousel-controls {
	display: flex;
	align-items: center;
	gap: 0.75rem;
}

.carousel-nav {
	background-color: transparent;
	border: 1px solid var(--border-color);
	border-radius: 9999px;
	width: 2rem;
	height: 2rem;
	cursor: pointer;
	font-size: 1.25rem;
	line-height: 1;
	color: var(--text-secondary);
	font-family: inherit;
	transition:
		border-color 0.2s ease,
		color 0.2s ease,
		background-color 0.2s ease;
}

.carousel-nav:hover {
	border-color: var(--accent-primary);
	color: var(--accent-primary);
	background-color: var(--tab-hover-bg);
}

.carousel-counter {
	font-size: 0.8rem;
	color: var(--text-muted);
	min-width: 3.5rem;
	text-align: center;
}

.view-more-cta {
	margin-top: 2rem;
}

.screenshot-figure {
	margin: 1rem 0 0;
	text-align: center;
}

.screenshot-large {
	max-width: 100%;
	max-height: 70vh;
	border-radius: 0.5rem;
	border: 1px solid var(--border-color);
}

.screenshot-caption {
	margin-top: 0.75rem;
	font-size: 0.85rem;
	color: var(--text-muted);
}

.github-cta {
	display: inline-flex;
	align-items: center;
	margin-top: 1.5rem;
	padding: 0.5rem 1.25rem;
	border-radius: 0.375rem;
	border: 1px solid var(--accent-primary);
	color: var(--accent-primary);
	text-decoration: none;
	font-size: 0.9rem;
	transition:
		background-color 0.2s ease,
		color 0.2s ease;
}

.github-cta:hover {
	background-color: var(--accent-primary);
	color: #fff;
}

/* ===== Hamburger / mobile nav ===== */
.hamburger-btn {
	display: none;
	background: transparent;
	border: none;
	cursor: pointer;
	font-size: 1.4rem;
	padding: 10px 14px;
	color: var(--text-secondary);
	line-height: 1;
}

.hamburger-btn:hover {
	color: var(--accent-primary);
}

.mobile-menu {
	display: flex;
	flex-direction: column;
	position: absolute;
	top: 100%;
	left: 0;
	right: 0;
	z-index: 100;
	background-color: var(--tab-bg);
	border-bottom: 1px solid var(--border-color);
	box-shadow: 0 6px 16px var(--shadow);
	opacity: 0;
	transform: translateY(-6px);
	pointer-events: none;
	visibility: hidden;
	transition:
		opacity 0.2s ease,
		transform 0.2s ease,
		visibility 0.2s ease;
}

.mobile-menu.open {
	opacity: 1;
	transform: translateY(0);
	pointer-events: auto;
	visibility: visible;
}

.mobile-menu button {
	background: transparent;
	border: none;
	width: 100%;
	text-align: left;
	padding: 13px 20px;
	font-size: 0.95rem;
	color: var(--text-secondary);
	cursor: pointer;
	font-family: inherit;
}

.mobile-menu button:hover {
	background-color: var(--tab-hover-bg);
	color: var(--accent-primary);
}

.mobile-resume-link {
	display: block;
	padding: 13px 20px;
	font-size: 0.95rem;
	color: var(--text-secondary);
	text-decoration: none;
	font-family: inherit;
}

.mobile-resume-link:hover {
	background-color: var(--tab-hover-bg);
	color: var(--accent-primary);
}

@media (max-width: 600px) {
	.desktop-nav {
		display: none !important;
	}

	.hamburger-btn {
		display: block;
	}

	.modal-content {
		width: 96%;
		margin: 25% auto 2rem;
		padding: 1.5rem 1.25rem 1.75rem;
		border-radius: 0.5rem;
		max-height: 88vh;
		overflow-y: auto;
	}

	.modal-company {
		font-size: 1.25rem;
	}

	.modal-divider {
		margin: 1rem 0;
	}
}

/* ===== Responsive timeline ===== */
@media (max-width: 768px) {
	.project-card {
		grid-template-columns: 1fr;
		gap: 1.5rem;
		padding: 1.5rem;
	}

	.project-carousel {
		width: 100%;
		max-width: 280px;
		margin: 0 auto;
	}

	.carousel-viewport {
		height: 60vw;
		max-height: 480px;
	}

	.timeline-card {
		flex-direction: column;
		align-items: center;
		padding-top: 1rem;
		padding-bottom: 1.5rem;
	}

	div.dot {
		display: none;
	}

	time.time-right,
	time.time-left {
		position: relative;
		z-index: 1;
		left: auto;
		right: auto;
		width: auto;
		margin-bottom: 0.5rem;
	}

	button.card-right,
	button.card-left {
		position: relative;
		z-index: 1;
		min-width: unset;
		width: calc(100% - 2rem);
		left: 0;
		text-align: left;
	}
}