/* =============================================================================
   Exif Viewer — design tokens
   Palette: near-white/near-black system surfaces, a single restrained
   "aperture blue" accent, and a warm film-amber reserved for GPS/location
   moments only, so it reads as meaningful rather than decorative.
   Type: system font stack (SF Pro on Apple devices, Segoe/Roboto elsewhere)
   for UI; ui-monospace/SF Mono for metadata values so numbers align.
   ============================================================================= */

:root {
	--color-bg: #fbfbfd;
	--color-surface: rgba(255, 255, 255, 0.72);
	--color-surface-solid: #ffffff;
	--color-border: rgba(0, 0, 0, 0.08);
	--color-text: #1d1d1f;
	--color-text-secondary: #6e6e73;
	--color-accent: #0071e3;
	--color-accent-contrast: #ffffff;
	--color-location: #b5651d;
	--color-danger: #d70015;
	--shadow-card: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.06);
	--shadow-elevated: 0 4px 12px rgba(0, 0, 0, 0.08), 0 24px 48px rgba(0, 0, 0, 0.10);
	--radius-lg: 22px;
	--radius-md: 14px;
	--radius-sm: 9px;
	--font-display: -apple-system, "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	--font-body: -apple-system, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	--font-mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
	--ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
	--topbar-height: 56px;
}

@media (prefers-color-scheme: dark) {
	:root {
		--color-bg: #000000;
		--color-surface: rgba(28, 28, 30, 0.72);
		--color-surface-solid: #1c1c1e;
		--color-border: rgba(255, 255, 255, 0.10);
		--color-text: #f5f5f7;
		--color-text-secondary: #98989d;
		--color-accent: #0a84ff;
		--shadow-card: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.4);
		--shadow-elevated: 0 4px 12px rgba(0, 0, 0, 0.4), 0 24px 48px rgba(0, 0, 0, 0.5);
	}
}

html[data-theme="dark"] {
	--color-bg: #000000;
	--color-surface: rgba(28, 28, 30, 0.72);
	--color-surface-solid: #1c1c1e;
	--color-border: rgba(255, 255, 255, 0.10);
	--color-text: #f5f5f7;
	--color-text-secondary: #98989d;
	--color-accent: #0a84ff;
}
html[data-theme="light"] {
	--color-bg: #fbfbfd;
	--color-surface: rgba(255, 255, 255, 0.72);
	--color-surface-solid: #ffffff;
	--color-border: rgba(0, 0, 0, 0.08);
	--color-text: #1d1d1f;
	--color-text-secondary: #6e6e73;
	--color-accent: #0071e3;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
	margin: 0;
	background: var(--color-bg);
	color: var(--color-text);
	font-family: var(--font-body);
	font-size: 16px;
	line-height: 1.5;
	-webkit-font-smoothing: antialiased;
	transition: background-color 0.3s var(--ease-spring), color 0.3s var(--ease-spring);
}

@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after {
		animation-duration: 0.001ms !important;
		transition-duration: 0.001ms !important;
	}
}

:focus-visible {
	outline: 2px solid var(--color-accent);
	outline-offset: 2px;
	border-radius: 6px;
}

/* ---------------------------------------------------------------- topbar */

.topbar {
	position: sticky;
	top: 0;
	z-index: 40;
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: var(--topbar-height);
	padding: 0 20px;
	backdrop-filter: saturate(180%) blur(20px);
	-webkit-backdrop-filter: saturate(180%) blur(20px);
	background: var(--color-surface);
	border-bottom: 1px solid var(--color-border);
}

.topbar__brand {
	display: flex;
	align-items: center;
	gap: 8px;
	color: var(--color-text);
	text-decoration: none;
	font-weight: 600;
	font-size: 17px;
	letter-spacing: -0.01em;
}

.aperture-mark svg { display: block; }
.aperture-mark path { fill: var(--color-accent); }

.icon-button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 34px;
	height: 34px;
	border-radius: 50%;
	border: none;
	background: transparent;
	color: var(--color-text);
	cursor: pointer;
	transition: background-color 0.2s var(--ease-spring);
}
.icon-button svg path { fill: currentColor; }
.icon-button:hover { background: var(--color-border); }

/* ---------------------------------------------------------------- layout */

main#app {
	max-width: 1080px;
	margin: 0 auto;
	padding: 0 20px 80px;
}

.view.is-hidden { display: none; }

.hero {
	text-align: center;
	padding: 64px 0 40px;
}

.hero__title {
	font-family: var(--font-display);
	font-size: clamp(32px, 6vw, 56px);
	font-weight: 700;
	letter-spacing: -0.02em;
	line-height: 1.08;
	margin: 0 0 16px;
}

.hero__subtitle {
	max-width: 560px;
	margin: 0 auto;
	color: var(--color-text-secondary);
	font-size: clamp(16px, 2.4vw, 19px);
	line-height: 1.5;
}

/* -------------------------------------------------------------- dropzone
   Signature element: the iris/aperture graphic is the one bold visual
   idea on the page. It sits quiet until interaction, then "opens" — the
   one moment of flourish, everything else stays disciplined. */

.dropzone {
	position: relative;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 8px;
	margin: 0 auto;
	max-width: 640px;
	min-height: 320px;
	padding: 40px 24px;
	border-radius: var(--radius-lg);
	border: 1.5px dashed var(--color-border);
	background: var(--color-surface);
	backdrop-filter: blur(20px);
	-webkit-backdrop-filter: blur(20px);
	box-shadow: var(--shadow-card);
	cursor: pointer;
	transition: border-color 0.25s var(--ease-spring), transform 0.25s var(--ease-spring), box-shadow 0.25s var(--ease-spring);
}

.dropzone:hover,
.dropzone:focus-visible {
	border-color: var(--color-accent);
	transform: translateY(-2px);
	box-shadow: var(--shadow-elevated);
}

.dropzone.is-dragover {
	border-color: var(--color-accent);
	background: color-mix(in srgb, var(--color-accent) 8%, var(--color-surface));
}

.dropzone__iris { margin-bottom: 12px; }
.iris__blades path {
	fill: var(--color-text-secondary);
	opacity: 0.35;
	transform-origin: 100px 100px;
	transition: transform 0.5s var(--ease-spring), opacity 0.5s var(--ease-spring), fill 0.5s var(--ease-spring);
}
.iris__center {
	fill: var(--color-bg);
	stroke: var(--color-text-secondary);
	stroke-width: 2;
	transition: r 0.5s var(--ease-spring), stroke 0.5s var(--ease-spring);
}
.dropzone:hover .iris__blades path,
.dropzone.is-dragover .iris__blades path {
	opacity: 0.9;
	fill: var(--color-accent);
	transform: scale(1.15) rotate(8deg);
}
.dropzone.is-dragover .iris__center { r: 26; stroke: var(--color-accent); }
.dropzone.is-loading .iris__blades { animation: iris-spin 1.1s linear infinite; }
@keyframes iris-spin { to { transform: rotate(360deg); } }

.dropzone__label { font-size: 17px; font-weight: 500; margin: 0; }
.dropzone__link { color: var(--color-accent); text-decoration: underline; }
.dropzone__hint { font-size: 13px; color: var(--color-text-secondary); margin: 0; }

.queue { max-width: 640px; margin: 20px auto 0; display: grid; gap: 8px; }
.queue.is-hidden { display: none; }
.queue-item {
	display: flex; align-items: center; justify-content: space-between;
	padding: 12px 16px; border-radius: var(--radius-sm);
	background: var(--color-surface-solid); border: 1px solid var(--color-border);
	font-size: 14px;
}
.queue-item__status { color: var(--color-text-secondary); font-size: 13px; }
.queue-item.is-error .queue-item__status { color: var(--color-danger); }

/* ---------------------------------------------------------------- result */

.result-header {
	display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
	gap: 12px; padding: 24px 0 16px;
}
.result-header__actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

.text-button {
	background: none; border: none; color: var(--color-accent);
	font-size: 15px; font-weight: 500; cursor: pointer; padding: 6px 4px;
}

.toggle { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--color-text-secondary); }

.button {
	appearance: none; border: 1px solid var(--color-border); background: var(--color-surface-solid);
	color: var(--color-text); font-size: 14px; font-weight: 500; padding: 9px 16px;
	border-radius: 980px; cursor: pointer; transition: transform 0.15s var(--ease-spring), background-color 0.2s;
}
.button:hover { transform: translateY(-1px); }
.button:active { transform: translateY(0); }
.button--primary { background: var(--color-accent); color: var(--color-accent-contrast); border-color: transparent; }

.result-grid {
	display: grid;
	grid-template-columns: repeat(12, 1fr);
	gap: 16px;
}

.card {
	background: var(--color-surface-solid);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-md);
	box-shadow: var(--shadow-card);
	padding: 20px;
}

.card--preview { grid-column: span 5; display: flex; flex-direction: column; gap: 12px; }
.card--summary { grid-column: span 7; }
.card--map { grid-column: span 7; }
.card--full { grid-column: span 12; }

@media (max-width: 860px) {
	.card--preview, .card--summary, .card--map, .card--full { grid-column: span 12; }
}

.card__title { font-size: 15px; font-weight: 600; margin: 0 0 14px; letter-spacing: -0.01em; }
.card__header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; gap: 12px; }

#preview-image {
	width: 100%; border-radius: var(--radius-sm); object-fit: cover; aspect-ratio: 4 / 3; background: var(--color-bg);
}
.card__meta { display: flex; justify-content: space-between; font-size: 12px; color: var(--color-text-secondary); font-family: var(--font-mono); }

.summary-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 20px; margin: 0; }
.summary-list dt { font-size: 12px; color: var(--color-text-secondary); margin-bottom: 2px; }
.summary-list dd { margin: 0; font-size: 15px; font-weight: 500; font-family: var(--font-mono); }

.map { width: 100%; height: 220px; border-radius: var(--radius-sm); overflow: hidden; }
.map__coords { margin: 10px 0 0; font-size: 12px; font-family: var(--font-mono); color: var(--color-location); }

.search-input {
	border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 7px 12px;
	font-size: 13px; background: var(--color-bg); color: var(--color-text); min-width: 180px;
}

.metadata-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.metadata-table td { padding: 9px 8px; border-bottom: 1px solid var(--color-border); vertical-align: top; }
.metadata-table td:first-child { color: var(--color-text-secondary); width: 38%; font-weight: 500; }
.metadata-table td:last-child { font-family: var(--font-mono); word-break: break-word; }
.metadata-table tr.is-filtered-out { display: none; }

.toast {
	position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px);
	background: var(--color-text); color: var(--color-bg); padding: 12px 20px;
	border-radius: 980px; font-size: 14px; opacity: 0; pointer-events: none;
	transition: opacity 0.25s var(--ease-spring), transform 0.25s var(--ease-spring);
	z-index: 60;
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

/* -------------------------------------------------------------- footer */

.site-footer {
	margin-top: 56px;
	border-top: 1px solid var(--color-border);
	background: var(--color-surface);
	backdrop-filter: saturate(180%) blur(20px);
	-webkit-backdrop-filter: saturate(180%) blur(20px);
}

.site-footer__grid {
	max-width: 1080px;
	margin: 0 auto;
	padding: 48px 20px 32px;
	display: grid;
	grid-template-columns: 1.4fr 1fr 1fr 1fr;
	gap: 32px;
}

@media (max-width: 720px) {
	.site-footer__grid { grid-template-columns: 1fr 1fr; }
	.site-footer__brand { grid-column: 1 / -1; }
}

.site-footer__logo { font-size: 16px; margin-bottom: 10px; }

.site-footer__tagline {
	color: var(--color-text-secondary);
	font-size: 13px;
	line-height: 1.6;
	max-width: 30ch;
	margin: 0;
}
.site-footer__tagline a { color: var(--color-text-secondary); text-decoration: underline; }

.site-footer__heading {
	font-size: 12px;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	color: var(--color-text-secondary);
	margin: 0 0 14px;
}

.site-footer__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.site-footer__list a {
	color: var(--color-text);
	text-decoration: none;
	font-size: 14px;
}
.site-footer__list a:hover { color: var(--color-accent); }

.site-footer__company {
	display: inline-flex;
	align-items: baseline;
	gap: 1px;
	font-family: var(--font-display);
	font-weight: 700;
	font-size: 15px;
	letter-spacing: -0.01em;
	color: var(--color-text);
	text-decoration: none;
	margin-bottom: 10px;
}
.site-footer__company:hover { color: var(--color-accent); }
.site-footer__bolt { color: var(--color-accent); }

.site-footer__bottom {
	max-width: 1080px;
	margin: 0 auto;
	padding: 20px 20px 32px;
	border-top: 1px solid var(--color-border);
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 8px;
}

.site-footer__bottom p {
	margin: 0;
	font-size: 12px;
	color: var(--color-text-secondary);
}

.site-footer__privacy-note { max-width: 46ch; text-align: right; }
@media (max-width: 640px) {
	.site-footer__bottom { flex-direction: column; align-items: flex-start; }
	.site-footer__privacy-note { text-align: left; }
}

/* ----------------------------------------------------------- legal pages */

.legal-page {
	max-width: 680px;
	margin: 0 auto;
	padding: 48px 20px 80px;
}
.legal-page h1 {
	font-family: var(--font-display);
	font-size: clamp(28px, 5vw, 40px);
	letter-spacing: -0.02em;
	margin: 0 0 32px;
}
.legal-page h2 {
	font-size: 17px;
	font-weight: 600;
	margin: 32px 0 10px;
}
.legal-page p {
	color: var(--color-text-secondary);
	font-size: 15px;
	line-height: 1.7;
}
.legal-page a { color: var(--color-accent); }