/* Marina Number Decoder
   Every selector is prefixed .mdec so nothing here leaks into the theme
   and the theme has to be deliberate to override it. */

.mdec {
	--mdec-ink: #10171d;
	--mdec-ink-mid: #4a5661;
	--mdec-rule: #b9c2c9;
	--mdec-panel: #ffffff;
	--mdec-plate: #c9ced2;
	--mdec-plate-2: #aeb5bb;
	--mdec-blue: #0b4f9e;
	--mdec-amber: #8a6a12;
	--mdec-oxide: #a02b18;
	--mdec-green: #1d6b3f;
	--mdec-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

	color: var(--mdec-ink);
	line-height: 1.55;
	max-width: 48rem;
}

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

/* ---- fields ---- */

.mdec__fields {
	display: grid;
	gap: 1rem;
	grid-template-columns: 1fr;
	margin: 0 0 2rem;
}
@media (min-width: 34rem) {
	.mdec__fields { grid-template-columns: 1fr 1fr; }
}

.mdec__field label {
	display: block;
	font-size: 0.875rem;
	font-weight: 600;
	margin: 0 0 0.3rem;
}

.mdec__hint {
	display: block;
	font-weight: 400;
	color: var(--mdec-ink-mid);
	font-size: 0.8125rem;
	line-height: 1.4;
}

.mdec__input {
	width: 100%;
	padding: 0.7rem 0.75rem;
	font-size: 1rem;
	background: var(--mdec-panel);
	border: 1px solid var(--mdec-rule);
	border-radius: 2px;
	color: var(--mdec-ink);
}
.mdec__input--code {
	font-family: var(--mdec-mono);
	font-size: 1.0625rem;
	letter-spacing: 0.08em;
	text-transform: uppercase;
}
.mdec__input:focus-visible {
	outline: 2px solid var(--mdec-blue);
	outline-offset: 1px;
	border-color: var(--mdec-blue);
}

/* ---- stamped plate ---- */

.mdec__plate {
	background: linear-gradient(175deg, var(--mdec-plate) 0%, var(--mdec-plate-2) 100%);
	border: 1px solid #939ba1;
	border-radius: 3px;
	padding: 1rem 0.75rem;
	margin: 0 0 1.25rem;
	overflow-x: auto;
}
.mdec__cells {
	display: flex;
	gap: 3px;
	justify-content: center;
	min-width: max-content;
	margin: 0 auto;
}
.mdec__cell {
	font-family: var(--mdec-mono);
	font-size: 1.25rem;
	font-weight: 600;
	line-height: 1;
	padding: 0.5rem 0.3rem;
	min-width: 1.5rem;
	text-align: center;
	background: rgba(255, 255, 255, 0.35);
	border: 1px solid transparent;
	border-radius: 2px;
	color: #1a2026;
}
.mdec__cell--serial { background: none; letter-spacing: 0.06em; font-weight: 500; }
.mdec__cell--unknown { color: var(--mdec-oxide); border-color: var(--mdec-oxide); }
.mdec__cell.is-lit { background: #fff; border-color: var(--mdec-blue); }

/* ---- decode rows ---- */

.mdec__rows { border-top: 1px solid var(--mdec-rule); margin: 0 0 1.5rem; }

.mdec__row {
	display: grid;
	grid-template-columns: 2.25rem 8rem 1fr;
	gap: 0.5rem;
	align-items: baseline;
	padding: 0.55rem 0.25rem;
	border-bottom: 1px solid var(--mdec-rule);
}
.mdec__row.is-lit { background: rgba(11, 79, 158, 0.07); }
.mdec__glyph { font-family: var(--mdec-mono); font-size: 1.0625rem; font-weight: 600; }
.mdec__what { color: var(--mdec-ink-mid); font-size: 0.875rem; }
.mdec__means { font-weight: 500; }
.mdec__means--unknown { color: var(--mdec-oxide); font-weight: 400; }

@media (max-width: 30rem) {
	.mdec__row { grid-template-columns: 2rem 1fr; }
	.mdec__what { grid-column: 2; font-size: 0.8125rem; }
	.mdec__means { grid-column: 2; }
}

/* ---- panels ---- */

.mdec__panel {
	background: var(--mdec-panel);
	border: 1px solid var(--mdec-rule);
	border-left: 3px solid var(--mdec-blue);
	border-radius: 2px;
	padding: 1rem 1.1rem;
	margin: 0 0 1rem;
}
.mdec__panel h3 {
	font-size: 1.0625rem;
	margin: 0 0 0.35rem;
	font-weight: 650;
	line-height: 1.3;
}
.mdec__panel p { margin: 0.4rem 0 0; }
.mdec__panel p:first-of-type { margin-top: 0; }
.mdec__cite { font-size: 0.8125rem; color: var(--mdec-ink-mid); }
.mdec__panel code { font-family: var(--mdec-mono); font-size: 0.9375em; }

.mdec__panel--match { border-left-color: var(--mdec-green); }
.mdec__panel--flag  { border-left-color: var(--mdec-amber); }
.mdec__panel--clash { border-left-color: var(--mdec-oxide); }

.mdec__empty {
	color: var(--mdec-ink-mid);
	border: 1px dashed var(--mdec-rule);
	border-radius: 2px;
	padding: 1.25rem;
	text-align: center;
	margin: 0;
}

/* ---- colour table ---- */

.mdec__spec {
	width: 100%;
	border-collapse: collapse;
	margin-top: 0.75rem;
	font-size: 0.875rem;
}
.mdec__spec th {
	text-align: left;
	font-weight: 600;
	color: var(--mdec-ink-mid);
	border-bottom: 1px solid var(--mdec-rule);
	padding: 0.35rem 0.5rem 0.35rem 0;
	font-size: 0.8125rem;
}
.mdec__spec td {
	padding: 0.4rem 0.5rem 0.4rem 0;
	border-bottom: 1px solid #dfe4e8;
	vertical-align: top;
}
.mdec__spec tr.is-hit td { background: rgba(29, 107, 63, 0.09); font-weight: 500; }
.mdec__code { font-family: var(--mdec-mono); font-size: 0.8125rem; color: var(--mdec-ink-mid); display: block; }

.mdec__source {
	margin: 2rem 0 0;
	padding-top: 1rem;
	border-top: 1px solid var(--mdec-rule);
	font-size: 0.8125rem;
	color: var(--mdec-ink-mid);
}

@media (prefers-reduced-motion: reduce) {
	.mdec * { transition: none !important; animation: none !important; }
}