/* ============================================================
   Phtoll Rider Tools — rider-tools.css
   Dark theme to match phtoll.com site palette.
   ============================================================ */

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

.prt-app {
	--prt-accent:     #D4B44A;
	--prt-accent-dim: rgba(212,180,74,.12);
	--prt-bg:         #0F172A;
	--prt-surface:    #1E293B;
	--prt-surface-2:  #263348;
	--prt-border:     #334155;
	--prt-text:       #e2e8f0;
	--prt-muted:      #94a3b8;
	--prt-radius:     10px;
	--prt-shadow:     0 4px 20px rgba(0,0,0,.35);

	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
	color: var(--prt-text);
	max-width: 720px;
	margin: 0 auto;
	padding: 1.5rem 0 3rem;
	display: flex;
	flex-direction: column;
	gap: 1.25rem;
}

/* ── Card ────────────────────────────────────────────────────── */
.prt-card {
	background: var(--prt-surface);
	border: 1px solid var(--prt-border);
	border-radius: var(--prt-radius);
	box-shadow: var(--prt-shadow);
	padding: 1.5rem;
}

/* ── Typography ──────────────────────────────────────────────── */
.prt-title {
	font-size: 1.3rem;
	font-weight: 700;
	margin: 0 0 .3rem;
	color: var(--prt-text);
}

.prt-subtitle {
	color: var(--prt-muted);
	margin: 0 0 1.25rem;
	font-size: .9rem;
	line-height: 1.5;
}

.prt-chart-title {
	font-size: 1rem;
	font-weight: 600;
	margin: 0 0 .9rem;
	color: var(--prt-text);
}

/* ── Inputs ──────────────────────────────────────────────────── */
.prt-inputs {
	display: flex;
	align-items: flex-end;
	gap: .75rem;
	flex-wrap: wrap;
	margin-bottom: .9rem;
}

.prt-field {
	flex: 1;
	min-width: 160px;
	display: flex;
	flex-direction: column;
	gap: .3rem;
}

.prt-field label {
	font-size: .78rem;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: .05em;
	color: var(--prt-muted);
}

.prt-field input,
.prt-field select {
	border: 1.5px solid var(--prt-border);
	border-radius: 6px;
	padding: .55rem .8rem;
	font-size: .95rem;
	color: var(--prt-text);
	background: var(--prt-surface-2);
	width: 100%;
	transition: border-color .15s;
	font-family: inherit;
}

.prt-field input::placeholder { color: #475569; }

.prt-field input:focus,
.prt-field select:focus {
	outline: none;
	border-color: var(--prt-accent);
	background: #2d3f55;
}

.prt-field select {
	cursor: pointer;
	color: var(--prt-text);
}

.prt-field select option {
	background: #1E293B;
	color: var(--prt-text);
}

.prt-brand-field { margin-top: -.1rem; }

.prt-sep {
	font-size: .8rem;
	color: var(--prt-muted);
	padding-bottom: .6rem;
	flex-shrink: 0;
}

/* ── Result ──────────────────────────────────────────────────── */
.prt-result {
	background: rgba(212,180,74,.07);
	border: 1.5px solid var(--prt-accent);
	border-radius: var(--prt-radius);
	padding: .9rem 1.1rem;
	margin: .75rem 0;
	display: flex;
	flex-direction: column;
	gap: .35rem;
}

.prt-hidden { display: none !important; }

.prt-result__main {
	display: flex;
	align-items: baseline;
	gap: .6rem;
}

.prt-result__size {
	font-size: 2.1rem;
	font-weight: 800;
	color: var(--prt-accent);
	line-height: 1;
}

.prt-result__brand {
	font-size: .85rem;
	font-weight: 600;
	color: var(--prt-muted);
}

.prt-result__meta {
	display: flex;
	flex-direction: column;
	gap: .2rem;
}

.prt-result__eu {
	font-size: .8rem;
	font-weight: 600;
	color: var(--prt-muted);
}

.prt-result__note {
	font-size: .875rem;
	color: var(--prt-text);
	line-height: 1.5;
}

/* ── Tip ─────────────────────────────────────────────────────── */
.prt-tip {
	font-size: .85rem;
	color: var(--prt-muted);
	border-left: 3px solid var(--prt-accent);
	padding-left: .75rem;
	margin: 0;
	line-height: 1.5;
}

/* ── Table ───────────────────────────────────────────────────── */
.prt-table-wrap { overflow-x: auto; }

.prt-table {
	width: 100%;
	border-collapse: collapse;
	font-size: .875rem;
}

.prt-table th {
	background: var(--prt-surface-2);
	text-align: left;
	padding: .5rem .7rem;
	font-size: .72rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: .06em;
	color: var(--prt-muted);
	border-bottom: 1px solid var(--prt-border);
}

.prt-table td {
	padding: .5rem .7rem;
	border-bottom: 1px solid var(--prt-border);
	color: var(--prt-text);
}

.prt-table tbody tr:last-child td { border-bottom: none; }

.prt-table tbody tr:hover td {
	background: var(--prt-surface-2);
}

.prt-table tbody tr.is-highlighted td {
	background: rgba(212,180,74,.1);
	font-weight: 600;
	color: var(--prt-accent);
}

.prt-table tbody tr.is-highlighted td:first-child {
	border-left: 3px solid var(--prt-accent);
}

.prt-disclaimer {
	font-size: .78rem;
	color: var(--prt-muted);
	margin: .75rem 0 0;
}

/* ── Steps ───────────────────────────────────────────────────── */
.prt-steps {
	padding-left: 1.3rem;
	margin: 0;
	display: flex;
	flex-direction: column;
	gap: .6rem;
}

.prt-steps li {
	font-size: .9rem;
	line-height: 1.55;
	color: var(--prt-text);
}

/* ── Checklist ───────────────────────────────────────────────── */
.prt-checklist-app { max-width: 760px; }

.prt-checklist-header-card { padding: 1.25rem 1.5rem; }

.prt-checklist-top {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
	flex-wrap: wrap;
}

.prt-checklist-progress-wrap {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: .5rem;
	flex-shrink: 0;
}

.prt-progress-ring-wrap {
	position: relative;
	width: 64px;
	height: 64px;
}

.prt-progress-ring { display: block; }

.prt-ring-bg   { stroke: var(--prt-border); }
.prt-ring-fill { stroke: var(--prt-accent); transition: stroke-dashoffset .3s ease; }

.prt-progress-pct {
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: .75rem;
	font-weight: 700;
	color: var(--prt-text);
}

.prt-reset-btn {
	background: none;
	border: 1px solid var(--prt-border);
	border-radius: 6px;
	padding: .25rem .65rem;
	font-size: .75rem;
	color: var(--prt-muted);
	cursor: pointer;
	font-family: inherit;
	transition: border-color .15s, color .15s;
}

.prt-reset-btn:hover {
	border-color: var(--prt-accent);
	color: var(--prt-accent);
}

.prt-checklist-sections {
	display: flex;
	flex-direction: column;
	gap: 1.25rem;
}

.prt-checklist-section { padding: 1.25rem 1.5rem; }

.prt-section-header {
	display: flex;
	align-items: center;
	gap: .75rem;
	margin-bottom: .85rem;
}

.prt-section-letter {
	width: 2rem;
	height: 2rem;
	border-radius: 6px;
	color: #fff;
	font-weight: 800;
	font-size: .9rem;
	display: flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
}

.prt-section-title {
	font-size: .95rem;
	font-weight: 600;
	margin: 0;
	flex: 1;
	color: var(--prt-text);
}

.prt-section-count {
	font-size: .78rem;
	color: var(--prt-muted);
	font-weight: 600;
	flex-shrink: 0;
}

.prt-checklist {
	list-style: none;
	padding: 0;
	margin: 0;
	display: flex;
	flex-direction: column;
	gap: .05rem;
}

.prt-checklist__item { display: block; }

.prt-check-label {
	display: flex;
	align-items: flex-start;
	gap: .7rem;
	padding: .5rem .4rem;
	cursor: pointer;
	border-radius: 6px;
	transition: background .1s;
}

.prt-check-label:hover { background: var(--prt-surface-2); }

.prt-check { display: none; }

.prt-check-box {
	width: 1.1rem;
	height: 1.1rem;
	border: 2px solid var(--prt-border);
	border-radius: 4px;
	flex-shrink: 0;
	margin-top: .15rem;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: background .15s, border-color .15s;
}

.prt-check-box::after {
	content: '';
	width: .35rem;
	height: .6rem;
	border-right: 2px solid #0F172A;
	border-bottom: 2px solid #0F172A;
	transform: rotate(45deg) translateY(-1px);
	opacity: 0;
	transition: opacity .1s;
}

.prt-check:checked ~ .prt-check-box {
	background: var(--prt-accent);
	border-color: var(--prt-accent);
}

.prt-check:checked ~ .prt-check-box::after { opacity: 1; }

.prt-check:checked ~ .prt-check-text {
	color: var(--prt-muted);
	text-decoration: line-through;
	text-decoration-color: var(--prt-border);
}

.prt-check-text {
	font-size: .9rem;
	line-height: 1.5;
	color: var(--prt-text);
}

.prt-checklist-footer-card {
	display: flex;
	align-items: center;
	gap: .75rem;
	background: rgba(212,180,74,.08);
	border-color: rgba(212,180,74,.4);
	font-weight: 600;
	color: var(--prt-accent);
}

.prt-done-icon {
	width: 1.75rem;
	height: 1.75rem;
	background: var(--prt-accent);
	color: #0F172A;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: .9rem;
	font-weight: 800;
	flex-shrink: 0;
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 500px) {
	.prt-inputs { flex-direction: column; }
	.prt-sep { display: none; }
	.prt-result__size { font-size: 1.75rem; }
}