/* SBT Workshop Sign-Up: front-end form.
   Colors are CSS variables so the theme can override them, e.g.
   .sbtw { --sbtw-accent: #8a1c2b; } */

.sbtw {
	--sbtw-accent: #1f4e79;
	--sbtw-accent-soft: #e8f0f8;
	--sbtw-text: inherit;
	--sbtw-muted: #6b7280;
	--sbtw-border: #d4d7dc;
	--sbtw-bg: #ffffff;
	--sbtw-error: #b42318;
	--sbtw-perf: #8a1c2b;
	--sbtw-perf-soft: #fbeaec;
	--sbtw-radius: 10px;

	max-width: 960px;
	margin: 0 auto;
	color: var(--sbtw-text);
	font-size: 16px;
	line-height: 1.5;
}

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

.sbtw-section {
	border: 0;
	margin: 0 0 32px;
	padding: 0;
	min-width: 0;
}

.sbtw-section > legend {
	font-size: 1.25em;
	font-weight: 700;
	margin-bottom: 12px;
	padding: 0;
}

.sbtw-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: 16px;
	margin-bottom: 16px;
}

.sbtw-field label {
	display: block;
	font-weight: 600;
	margin-bottom: 6px;
}

.sbtw-field input[type="text"],
.sbtw-field input[type="email"],
.sbtw-field input[type="tel"],
.sbtw-field textarea {
	width: 100%;
	padding: 10px 12px;
	border: 1px solid var(--sbtw-border);
	border-radius: 6px;
	background: var(--sbtw-bg);
	font: inherit;
	color: inherit;
}

.sbtw-field input[type="file"] { max-width: 100%; }

.sbtw-field input:focus,
.sbtw-field textarea:focus {
	outline: 2px solid var(--sbtw-accent);
	outline-offset: 1px;
	border-color: var(--sbtw-accent);
}

.sbtw-field small { display: block; color: var(--sbtw-muted); margin-top: 4px; font-size: 0.85em; }
.sbtw-optional { font-weight: 400; color: var(--sbtw-muted); }

.sbtw-field.has-error input,
.sbtw-field.has-error textarea { border-color: var(--sbtw-error); }

.sbtw-alert {
	border: 1px solid var(--sbtw-error);
	background: #fef3f2;
	color: var(--sbtw-error);
	border-radius: 6px;
	padding: 12px 16px;
	margin-bottom: 24px;
}
.sbtw-alert ul { margin: 6px 0 0 18px; padding: 0; }

.sbtw-intro { margin: 0 0 12px; color: var(--sbtw-muted); }

.sbtw-toolbar { display: flex; gap: 16px; margin: 0 0 16px; }

.sbtw-link {
	background: none;
	border: 0;
	padding: 0;
	color: var(--sbtw-accent);
	font: inherit;
	font-size: 0.9em;
	font-weight: 600;
	text-decoration: underline;
	cursor: pointer;
}

/* Date grid: sized by the width of the content area, not the screen.
   5 across from 720px, 4 from 560px, 3 from 400px, otherwise 2. */
.sbtw-cards-wrap { container-type: inline-size; }

.sbtw-cards {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
	gap: 10px;
}

@container (min-width: 0px) {
	.sbtw-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@container (min-width: 400px) {
	.sbtw-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@container (min-width: 560px) {
	.sbtw-cards { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@container (min-width: 720px) {
	.sbtw-cards { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}

/* Cards */
.sbtw-card {
	position: relative;
	display: flex;
	flex-direction: column;
	gap: 2px;
	padding: 12px 14px;
	border: 2px solid var(--sbtw-border);
	border-radius: var(--sbtw-radius);
	background: var(--sbtw-bg);
	cursor: pointer;
	user-select: none;
	transition: border-color 0.15s, background-color 0.15s, box-shadow 0.15s;
}

.sbtw-card:hover { border-color: var(--sbtw-accent); }

.sbtw-card input {
	position: absolute;
	opacity: 0;
	width: 1px;
	height: 1px;
}

.sbtw-card:focus-within { box-shadow: 0 0 0 3px var(--sbtw-accent-soft); border-color: var(--sbtw-accent); }

.sbtw-card.is-selected,
.sbtw-card:has(input:checked) {
	border-color: var(--sbtw-accent);
	background: var(--sbtw-accent-soft);
}

.sbtw-card__check {
	position: absolute;
	top: 10px;
	right: 10px;
	width: 22px;
	height: 22px;
	border: 2px solid var(--sbtw-border);
	border-radius: 50%;
	background: var(--sbtw-bg);
}

.sbtw-card.is-selected .sbtw-card__check,
.sbtw-card:has(input:checked) .sbtw-card__check {
	border-color: var(--sbtw-accent);
	background: var(--sbtw-accent);
}

.sbtw-card.is-selected .sbtw-card__check::after,
.sbtw-card:has(input:checked) .sbtw-card__check::after {
	content: "";
	position: absolute;
	left: 6px;
	top: 2px;
	width: 6px;
	height: 11px;
	border: solid #fff;
	border-width: 0 2px 2px 0;
	transform: rotate(45deg);
}

.sbtw-card__day { font-size: 0.8em; text-transform: uppercase; letter-spacing: 0.06em; color: var(--sbtw-muted); font-weight: 600; }
.sbtw-card__date { font-size: 1.25em; font-weight: 700; line-height: 1.2; padding-right: 26px; }
.sbtw-card__time { font-size: 0.9em; }
.sbtw-card__meta { font-size: 0.8em; color: var(--sbtw-muted); margin-top: 4px; }

.sbtw-badge {
	display: inline-block;
	align-self: flex-start;
	margin-top: 6px;
	padding: 2px 8px;
	border-radius: 999px;
	background: #eef0f3;
	font-size: 0.75em;
	font-weight: 600;
	color: #374151;
}

.sbtw-card--performance { border-color: #e7b3bb; }
.sbtw-card--performance.is-selected,
.sbtw-card--performance:has(input:checked) { border-color: var(--sbtw-perf); background: var(--sbtw-perf-soft); }
.sbtw-card--performance.is-selected .sbtw-card__check,
.sbtw-card--performance:has(input:checked) .sbtw-card__check { border-color: var(--sbtw-perf); background: var(--sbtw-perf); }
.sbtw-badge--performance { background: var(--sbtw-perf); color: #fff; }

.sbtw-section.has-error .sbtw-cards .sbtw-card { border-color: #f2b8b5; }

.sbtw-empty { color: var(--sbtw-muted); font-style: italic; }

/* Performance interest */
.sbtw-perf {
	display: flex;
	gap: 10px;
	align-items: flex-start;
	margin-top: 8px;
	padding: 14px 16px;
	border: 1px dashed var(--sbtw-perf);
	border-radius: var(--sbtw-radius);
	background: var(--sbtw-perf-soft);
	cursor: pointer;
}
.sbtw-perf input { margin-top: 4px; }

/* Honeypot */
.sbtw-hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }

/* Sticky footer with count and submit */
.sbtw-footer {
	position: sticky;
	bottom: 0;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	padding: 14px 0;
	background: var(--sbtw-bg);
	border-top: 1px solid var(--sbtw-border);
	z-index: 5;
}

.sbtw-count { font-weight: 600; }

.sbtw-submit {
	padding: 12px 24px;
	border: 0;
	border-radius: 6px;
	background: var(--sbtw-accent);
	color: #fff;
	font: inherit;
	font-weight: 700;
	cursor: pointer;
}
.sbtw-submit:hover { filter: brightness(1.1); }
.sbtw-submit[disabled] { opacity: 0.6; cursor: wait; }

.sbtw-thanks {
	padding: 24px;
	border-radius: var(--sbtw-radius);
	background: var(--sbtw-accent-soft);
}
.sbtw-thanks h3 { margin-top: 0; }

@media (max-width: 520px) {
	.sbtw-footer { flex-direction: column; align-items: stretch; text-align: center; }
	.sbtw-submit { width: 100%; }
}

/* Venue banner and map links */
.sbtw-venue {
	display: flex;
	flex-wrap: wrap;
	align-items: baseline;
	gap: 4px 8px;
	margin: 0 0 20px;
	padding: 12px 16px;
	border-radius: var(--sbtw-radius);
	background: var(--sbtw-accent-soft);
}
.sbtw-venue__label { color: var(--sbtw-muted); }
.sbtw-venue__note { flex-basis: 100%; font-size: 0.85em; color: var(--sbtw-muted); }

.sbtw-map {
	color: var(--sbtw-accent);
	font-weight: 600;
	text-decoration: underline;
	white-space: nowrap;
	position: relative;
	z-index: 1;
}
.sbtw-card .sbtw-map { font-size: 1em; margin-left: 4px; }
.sbtw-card__loc { color: inherit; font-weight: 600; }

.sbtw .screen-reader-text {
	position: absolute !important;
	width: 1px;
	height: 1px;
	margin: -1px;
	padding: 0;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	border: 0;
	white-space: nowrap;
}

.sbtw-nowrap { white-space: nowrap; }

/* Last-minute changes notice */
.sbtw-text-notice {
	margin: 0 0 16px;
	padding: 12px 16px;
	border-left: 4px solid #dba617;
	border-radius: 4px;
	background: #fff8e5;
	font-size: 0.95em;
}
.sbtw-thanks .sbtw-text-notice { margin: 16px 0 0; }

.sbtw-card[hidden] { display: none !important; }
.sbtw-started-note { font-weight: 600; }