@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
	--clr-bg: #f0f4f8;
	--clr-surface: #ffffff;
	--clr-primary: #2563eb;
	--clr-primary-dk: #1d4ed8;
	--clr-accent: #0ea5e9;
	--clr-text: #1e293b;
	--clr-muted: #64748b;
	--clr-border: #e2e8f0;
	--clr-success: #16a34a;
	--radius: 12px;
	--shadow-sm: 0 1px 4px rgba(0, 0, 0, .07);
	--shadow-md: 0 4px 18px rgba(0, 0, 0, .10);
	--transition: .18s ease;
	--max-w: 940px;
	--card-pad-v: 1.25rem;
	--card-pad-h: 1.75rem;
}

*,
*::before,
*::after {
	box-sizing: border-box;
}

body {
	font-family: 'Inter', system-ui, sans-serif;
	background: var(--clr-bg);
	color: var(--clr-text);
	line-height: 1.6;
	padding: 2.5rem 1.5rem 5rem;
	min-height: 100vh;
}

body > * {
	max-width: var(--max-w);
	margin-left: auto;
	margin-right: auto;
	display: block;
}

body > hr {
	display: none;
}

body > h1 {
	font-size: clamp(1.45rem, 3vw, 2rem);
	font-weight: 700;
	color: var(--clr-primary);
	letter-spacing: -0.025em;
	margin-bottom: 1.75rem;
	padding-bottom: .75rem;
	border-bottom: 3px solid var(--clr-primary);
}

body > h1::before {
	content: "🗺️  ";
}

body > form {
	background: var(--clr-surface);
	border: 1px solid var(--clr-border);
	border-radius: var(--radius);
	box-shadow: var(--shadow-md);
	padding: 1.75rem 2rem;
	margin-bottom: 1.5rem;
	font-size: .875rem;
	color: var(--clr-muted);
	font-weight: 500;
}

body > form br {
	content: "";
	display: block;
	margin: .4rem 0;
}

#name {
	display: block;
	width: 100%;
	max-width: 280px;
	border: 1.5px solid var(--clr-border);
	border-radius: 7px;
	padding: .45rem .8rem;
	font-size: .9rem;
	font-family: inherit;
	color: var(--clr-text);
	background: var(--clr-bg);
	margin: .25rem 0 1rem;
	transition: border-color var(--transition), box-shadow var(--transition);
}

#name:focus {
	outline: none;
	border-color: var(--clr-primary);
	box-shadow: 0 0 0 3px rgba(37, 99, 235, .15);
}

#fileToUpload {
	display: block;
	font-size: .85rem;
	color: var(--clr-muted);
	margin: .25rem 0 1rem;
}

#NWlon,
#NWlat,
#SElon,
#SElat {
	border: 1.5px solid var(--clr-border);
	border-radius: 7px;
	padding: .38rem .65rem;
	font-size: .8rem;
	font-family: 'Courier New', monospace;
	color: var(--clr-text);
	background: var(--clr-bg);
	width: 10rem;
	margin: 0 .4rem .25rem 0;
	transition: border-color var(--transition), box-shadow var(--transition);
}

#NWlon:focus,
#NWlat:focus,
#SElon:focus,
#SElat:focus {
	outline: none;
	border-color: var(--clr-accent);
	box-shadow: 0 0 0 3px rgba(14, 165, 233, .14);
}

#cookie {
	accent-color: var(--clr-primary);
	width: 1rem;
	height: 1rem;
	cursor: pointer;
	vertical-align: middle;
	margin-right: .35rem;
}

label[for="cookie"] {
	font-size: .875rem;
	color: var(--clr-muted);
	cursor: pointer;
	user-select: none;
}

#submitButton {
	display: inline-block;
	background: var(--clr-primary);
	color: #fff;
	border: none;
	border-radius: 8px;
	padding: .6rem 1.8rem;
	font-size: .9rem;
	font-weight: 600;
	font-family: inherit;
	cursor: pointer;
	transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
	box-shadow: 0 2px 8px rgba(37, 99, 235, .3);
	margin-top: .9rem;
}

#submitButton:hover:not(:disabled) {
	background: var(--clr-primary-dk);
	transform: translateY(-2px);
	box-shadow: 0 4px 14px rgba(37, 99, 235, .4);
}

#submitButton:disabled {
	background: #94a3b8;
	cursor: not-allowed;
	transform: none;
	box-shadow: none;
}

#tilesNumber {
	font-weight: 700;
	color: var(--clr-primary);
	font-size: 1.05rem;
}

#map {
	width: 100% !important;
	height: 520px !important;
	max-height: 80vh;
	border-radius: var(--radius);
	box-shadow: var(--shadow-md);
	border: 1px solid var(--clr-border);
	overflow: hidden;
	margin-bottom: 1.5rem;
}

.card-header {
	background: var(--clr-surface);
	border: 1px solid var(--clr-border);
	border-bottom: none;
	border-radius: var(--radius) var(--radius) 0 0;
	padding: var(--card-pad-v) var(--card-pad-h) .6rem;
	margin-bottom: 0;
	font-weight: 700;
	font-size: 1rem;
	color: var(--clr-text);
	box-shadow: var(--shadow-sm);
	position: relative;
}

.card-header::after {
	content: "";
	display: block;
	height: 2px;
	background: var(--clr-border);
	margin-top: .6rem;
	margin-left: calc(-1 * var(--card-pad-h));
	margin-right: calc(-1 * var(--card-pad-h));
}

.card-header-files::before {
	content: "📦  ";
}

.card-header-instructions::before {
	content: "📋  ";
}

.card-header-screenshots::before {
	content: "📷  ";
}

.card-header-devices::before {
	content: "⌚  ";
}

.card-header-todo::before {
	content: "✅  ";
}

.card-body {
	background: var(--clr-surface);
	border: 1px solid var(--clr-border);
	border-top: none;
	border-radius: 0 0 var(--radius) var(--radius);
	padding: .9rem var(--card-pad-h) var(--card-pad-v);
	margin-top: 0;
	margin-bottom: 1.25rem;
	box-shadow: var(--shadow-sm);
}

.card-standalone {
	border-radius: var(--radius);
	border-bottom: 1px solid var(--clr-border);
	padding-bottom: var(--card-pad-v);
	margin-bottom: 1.25rem;
}

.card-standalone::after {
	display: none;
}

.card-standalone img {
	display: inline-block;
	max-width: 48%;
	border-radius: 8px;
	margin-top: .85rem;
	margin-right: .5rem;
	border: 1px solid var(--clr-border);
	vertical-align: top;
}

.card-body-files {
	list-style: none;
	display: flex;
	flex-wrap: wrap;
	gap: .45rem;
}

.card-body-files li a {
	display: inline-flex;
	align-items: center;
	gap: .3rem;
	padding: .3rem .9rem;
	background: var(--clr-bg);
	border: 1.5px solid var(--clr-border);
	border-radius: 999px;
	font-size: .78rem;
	font-weight: 500;
	color: var(--clr-primary);
	text-decoration: none;
	transition: all var(--transition);
}

.card-body-files li a::before {
	content: "⬇  ";
	font-size: .65rem;
}

.card-body-files li a:hover {
	background: var(--clr-primary);
	border-color: var(--clr-primary);
	color: #fff;
	transform: translateY(-1px);
	box-shadow: 0 2px 8px rgba(37, 99, 235, .25);
	text-decoration: none;
}

.card-body-instructions {
	list-style: none;
	counter-reset: step;
}

.card-body-instructions > li {
	counter-increment: step;
	position: relative;
	padding: .55rem .5rem .55rem 2.5rem;
	font-size: .9rem;
	border-bottom: 1px solid var(--clr-border);
}

.card-body-instructions > li:last-child {
	border-bottom: none;
}

.card-body-instructions > li::before {
	content: counter(step);
	position: absolute;
	left: 0;
	top: .5rem;
	background: var(--clr-primary);
	color: #fff;
	font-size: .7rem;
	font-weight: 700;
	width: 1.6rem;
	height: 1.6rem;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
}

/* Tested devices – tag/pill style */

.card-body-devices {
	list-style: none;
	display: flex;
	flex-wrap: wrap;
	gap: .45rem;
}

.card-body-devices li {
	display: inline-flex;
	align-items: center;
	gap: .35rem;
	padding: .3rem .9rem;
	background: var(--clr-bg);
	border: 1.5px solid var(--clr-border);
	border-radius: 999px;
	font-size: .8rem;
	font-weight: 500;
	color: var(--clr-text);
}

.card-body-devices li::before {
	content: "⌚";
	font-size: .7rem;
}

/* ToDo – checklist style */

.card-body-todo {
	list-style: none;
}

.card-body-todo > li {
	position: relative;
	padding: .5rem .5rem .5rem 2.2rem;
	font-size: .9rem;
	border-bottom: 1px solid var(--clr-border);
}

.card-body-todo > li:last-child {
	border-bottom: none;
}

.card-body-todo > li::before {
	content: "";
	position: absolute;
	left: .3rem;
	top: .65rem;
	width: 1.15rem;
	height: 1.15rem;
	border: 2px solid var(--clr-border);
	border-radius: 4px;
	background: var(--clr-bg);
}

.card-body-todo > li:has(> ul)::before {
	background: var(--clr-success);
	border-color: var(--clr-success);
	/* checkmark via CSS */
}

.card-body-todo > li:has(> ul)::after {
	content: "";
	position: absolute;
	left: .6rem;
	top: .78rem;
	width: .4rem;
	height: .7rem;
	border: solid #fff;
	border-width: 0 2.5px 2.5px 0;
	transform: rotate(45deg);
}

.card-body-todo > li:has(> ul) {
	color: var(--clr-muted);
	text-decoration: line-through;
	text-decoration-color: var(--clr-border);
}

.card-body-todo > li > ul {
	list-style: none;
	padding-left: 0;
	margin: .25rem 0 0;
	text-decoration: none;
}

.card-body-todo > li > ul li {
	font-size: .75rem;
	color: var(--clr-muted);
	font-style: italic;
	text-decoration: none;
	display: inline;
}

.card-body-todo > li > ul li::before {
	content: "— ";
}

/* Aspect ratio chooser */

#ar-chooser {
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	gap: .5rem;
	max-width: 940px;
	margin: 0 auto 0.6rem;
	padding: .65rem 1rem;
	background: #ffffff;
	border: 1px solid #e2e8f0;
	border-radius: 10px;
	box-shadow: 0 1px 4px rgba(0, 0, 0, .07);
	font-family: 'Inter', system-ui, sans-serif;
	font-size: .82rem;
	color: #64748b;
}

#ar-chooser .ar-label {
	font-weight: 600;
	color: #1e293b;
	margin-right: .25rem;
	white-space: nowrap;
}

#ar-chooser .ar-presets {
	display: flex;
	gap: .35rem;
	flex-wrap: wrap;
}

#ar-chooser .ar-btn {
	padding: .3rem .75rem;
	border: 1.5px solid #e2e8f0;
	border-radius: 6px;
	background: #f0f4f8;
	color: #1e293b;
	font-family: inherit;
	font-size: .82rem;
	font-weight: 500;
	cursor: pointer;
	transition: all .15s ease;
	white-space: nowrap;
}

#ar-chooser .ar-btn:hover {
	border-color: #2563eb;
	color: #2563eb;
	background: #eff6ff;
}

#ar-chooser .ar-btn.active {
	background: #2563eb;
	border-color: #2563eb;
	color: #fff;
}

#ar-chooser .ar-divider {
	width: 1px;
	height: 1.6rem;
	background: #e2e8f0;
	margin: 0 .15rem;
	flex-shrink: 0;
}

#ar-chooser .ar-rotate-btn {
	padding: .3rem .65rem;
	border: 1.5px solid #e2e8f0;
	border-radius: 6px;
	background: #f0f4f8;
	color: #64748b;
	font-family: inherit;
	font-size: .85rem;
	cursor: pointer;
	transition: all .15s ease;
	display: flex;
	align-items: center;
	gap: .3rem;
	white-space: nowrap;
	font-weight: 500;
}

#ar-chooser .ar-rotate-btn:hover {
	border-color: #0ea5e9;
	color: #0ea5e9;
	background: #f0f9ff;
}

#ar-chooser .ar-rotate-btn.active {
	background: #0ea5e9;
	border-color: #0ea5e9;
	color: #fff;
}

#ar-chooser .ar-rotate-icon {
	display: inline-block;
	transition: transform .3s ease;
	font-style: normal;
	font-size: 1rem;
	line-height: 1;
}

#ar-chooser .ar-rotate-btn.active .ar-rotate-icon {
	transform: rotate(90deg);
}

#ar-chooser .ar-custom {
	display: flex;
	align-items: center;
	gap: .35rem;
}

#ar-chooser .ar-custom input {
	width: 4rem;
	border: 1.5px solid #e2e8f0;
	border-radius: 6px;
	padding: .28rem .5rem;
	font-size: .82rem;
	font-family: inherit;
	color: #1e293b;
	background: #f0f4f8;
	text-align: center;
	transition: border-color .15s, box-shadow .15s;
}

#ar-chooser .ar-custom input:focus {
	outline: none;
	border-color: #2563eb;
	box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
	background: #fff;
}

#ar-chooser .ar-custom .ar-sep {
	font-weight: 700;
	color: #94a3b8;
	font-size: .9rem;
}

#ar-chooser .ar-custom button {
	padding: .3rem .65rem;
	border: 1.5px solid #e2e8f0;
	border-radius: 6px;
	background: #f0f4f8;
	color: #1e293b;
	font-family: inherit;
	font-size: .78rem;
	font-weight: 600;
	cursor: pointer;
	transition: all .15s ease;
}

#ar-chooser .ar-custom button:hover {
	background: #2563eb;
	border-color: #2563eb;
	color: #fff;
}

#ar-chooser .ar-display {
	margin-left: auto;
	font-size: .75rem;
	color: #94a3b8;
	font-variant-numeric: tabular-nums;
	white-space: nowrap;
}

#ar-chooser .ar-display strong {
	color: #2563eb;
	font-weight: 600;
}