/*
 * Simple Appointment Booking – front end.
 * Override --sab-accent in your theme's CSS to match your brand, e.g.
 *   .sab-booking { --sab-accent: #c0392b; }
 */
.sab-booking {
	--sab-accent: #2271b1;
	--sab-accent-text: #fff;
	--sab-border: #dcdcde;
	--sab-muted: #6b7280;
	--sab-bg: #fff;
	--sab-soft: #f3f4f6;
	--sab-radius: 10px;
	max-width: 640px;
	margin: 0 auto 2em;
	font-size: 16px;
	line-height: 1.5;
	box-sizing: border-box;
}
.sab-booking *, .sab-booking *::before, .sab-booking *::after { box-sizing: inherit; }
.sab-booking [hidden] { display: none !important; }

.sab-panel {
	background: var(--sab-bg);
	border: 1px solid var(--sab-border);
	border-radius: var(--sab-radius);
	padding: 20px;
	margin-bottom: 16px;
}
.sab-heading {
	display: flex;
	align-items: center;
	gap: 10px;
	margin: 0 0 14px;
	font-size: 1.15em;
}
.sab-num {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 28px;
	height: 28px;
	border-radius: 50%;
	background: var(--sab-accent);
	color: var(--sab-accent-text);
	font-size: 14px;
	font-weight: 700;
	flex: none;
}

/* Calendar */
.sab-cal-head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 10px;
}
.sab-cal-title { font-weight: 700; font-size: 1.05em; }
.sab-cal-nav {
	width: 38px;
	height: 38px;
	border: 1px solid var(--sab-border);
	border-radius: 8px;
	background: var(--sab-bg);
	color: inherit;
	font-size: 20px;
	line-height: 1;
	cursor: pointer;
	padding: 0;
}
.sab-cal-nav:disabled { opacity: .3; cursor: default; }
.sab-cal-grid {
	display: grid;
	grid-template-columns: repeat(7, 1fr);
	gap: 4px;
}
.sab-cal-dow {
	text-align: center;
	font-size: 12px;
	font-weight: 600;
	color: var(--sab-muted);
	text-transform: uppercase;
	padding: 4px 0;
}
.sab-day {
	aspect-ratio: 1 / 1;
	min-height: 38px;
	border: 1px solid transparent;
	border-radius: 8px;
	background: var(--sab-soft);
	color: inherit;
	font: inherit;
	font-weight: 600;
	cursor: pointer;
	padding: 0;
	transition: background .15s, border-color .15s;
}
.sab-day:hover:not(:disabled) { border-color: var(--sab-accent); }
.sab-day:disabled {
	background: transparent;
	color: var(--sab-muted);
	opacity: .45;
	font-weight: 400;
	cursor: default;
}
.sab-day.is-today { text-decoration: underline; text-underline-offset: 3px; }
.sab-day.is-selected,
.sab-day.is-selected:hover {
	background: var(--sab-accent);
	color: var(--sab-accent-text);
	border-color: var(--sab-accent);
}
.sab-cal-empty { color: var(--sab-muted); margin: 0; }

/* Times */
.sab-selected-date { margin: -6px 0 12px; color: var(--sab-muted); }
.sab-slots {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
	gap: 8px;
}
.sab-slot {
	padding: 10px 6px;
	border: 1px solid var(--sab-accent);
	border-radius: 8px;
	background: var(--sab-bg);
	color: var(--sab-accent);
	font: inherit;
	font-weight: 600;
	cursor: pointer;
}
.sab-slot:hover { background: var(--sab-soft); }
.sab-slot.is-selected { background: var(--sab-accent); color: var(--sab-accent-text); }
.sab-slots .sab-note { grid-column: 1 / -1; margin: 0; color: var(--sab-muted); }

/* Form */
.sab-summary {
	margin: -6px 0 14px;
	padding: 10px 12px;
	border-radius: 8px;
	background: var(--sab-soft);
	font-weight: 600;
}
.sab-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.sab-field { margin-bottom: 12px; }
.sab-field label { display: block; font-weight: 600; font-size: .95em; }
.sab-field input,
.sab-field textarea {
	display: block;
	width: 100%;
	margin-top: 4px;
	padding: 10px 12px;
	border: 1px solid var(--sab-border);
	border-radius: 8px;
	font: inherit;
	font-weight: 400;
	background: var(--sab-bg);
	color: inherit;
}
.sab-field input:focus,
.sab-field textarea:focus {
	outline: 2px solid var(--sab-accent);
	outline-offset: 0;
	border-color: var(--sab-accent);
}
.sab-field.has-error input { border-color: #b32d2e; }
.sab-field-error { display: block; color: #b32d2e; font-size: .85em; font-weight: 400; margin-top: 4px; }
.sab-req { color: #b32d2e; }
.sab-hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }

.sab-message:empty { display: none; }
.sab-message {
	margin-bottom: 12px;
	padding: 10px 12px;
	border-radius: 8px;
	background: #fcf0f1;
	color: #8a1f1f;
}
.sab-submit {
	width: 100%;
	padding: 13px 18px;
	border: 0;
	border-radius: 8px;
	background: var(--sab-accent);
	color: var(--sab-accent-text);
	font: inherit;
	font-weight: 700;
	cursor: pointer;
}
.sab-submit:disabled { opacity: .6; cursor: wait; }

.sab-success {
	text-align: center;
	padding: 28px 20px;
	border-color: #68de7c;
	background: #edfaef;
}
.sab-success .sab-check { font-size: 40px; line-height: 1; display: block; margin-bottom: 8px; color: #00a32a; }

.sab-loading { color: var(--sab-muted); }

@media (max-width: 520px) {
	.sab-panel { padding: 14px; }
	.sab-row { grid-template-columns: 1fr; gap: 0; }
	.sab-cal-grid { gap: 3px; }
}