/**
 * Solar Power Calculator - front-end styles.
 *
 * Everything is scoped under .spc and uses custom properties, so a theme can
 * restyle the calculator by redefining the variables rather than fighting
 * selectors. Colours are deliberately neutral greens/slates that sit well on
 * both light and dark themes.
 */

.spc {
	--spc-accent: #0f766e;
	--spc-accent-soft: #ccfbf1;
	--spc-accent-ink: #115e59;
	--spc-sun: #f59e0b;
	--spc-ink: #1f2933;
	--spc-muted: #616e7c;
	--spc-line: #e1e7ec;
	--spc-bg: #ffffff;
	--spc-panel: #f7f9fa;
	--spc-radius: 12px;
	--spc-gap: 16px;

	box-sizing: border-box;
	max-width: 1000px;
	margin: 0 auto;
	color: var(--spc-ink);
	background: var(--spc-bg);
	font-size: 16px;
	line-height: 1.5;
}

.spc *,
.spc *::before,
.spc *::after {
	box-sizing: inherit;
}

@media (prefers-color-scheme: dark) {
	.spc:not([data-theme="light"]) {
		--spc-accent: #2dd4bf;
		--spc-accent-soft: #134e4a;
		--spc-accent-ink: #99f6e4;
		--spc-ink: #e8eef3;
		--spc-muted: #9aa8b5;
		--spc-line: #2c3742;
		--spc-bg: #131a21;
		--spc-panel: #1a232c;
	}
}

/* ------------------------------------------------------------- header */

.spc-header {
	text-align: center;
	margin-bottom: 28px;
}

.spc-title {
	margin: 0 0 6px;
	font-size: 1.75rem;
	line-height: 1.2;
	color: var(--spc-ink);
}

.spc-subtitle {
	margin: 0;
	color: var(--spc-muted);
}

.spc-noscript {
	padding: 16px;
	border: 1px solid var(--spc-line);
	border-radius: var(--spc-radius);
	background: var(--spc-panel);
}

/* -------------------------------------------------------------- steps */

.spc-step {
	margin-bottom: 32px;
}

.spc-step-title {
	display: flex;
	align-items: center;
	gap: 10px;
	margin: 0 0 14px;
	font-size: 1.1rem;
	font-weight: 600;
	color: var(--spc-ink);
}

.spc-step-num {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	flex: 0 0 auto;
	width: 26px;
	height: 26px;
	border-radius: 50%;
	background: var(--spc-accent);
	color: #fff;
	font-size: 0.85rem;
	font-weight: 700;
}

@media (prefers-color-scheme: dark) {
	.spc:not([data-theme="light"]) .spc-step-num {
		color: #06231f;
	}
}

/* ----------------------------------------------------------- profiles */

.spc-profiles {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
	gap: var(--spc-gap);
}

.spc-profile {
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	gap: 4px;
	padding: 16px;
	border: 2px solid var(--spc-line);
	border-radius: var(--spc-radius);
	background: var(--spc-panel);
	color: inherit;
	font: inherit;
	text-align: left;
	cursor: pointer;
	transition: border-color 0.15s ease, transform 0.15s ease;
}

.spc-profile:hover {
	border-color: var(--spc-accent);
	transform: translateY(-1px);
}

.spc-profile.is-active {
	border-color: var(--spc-accent);
	background: var(--spc-accent-soft);
}

.spc-profile-icon {
	width: 28px;
	height: 28px;
	background: var(--spc-accent);
	-webkit-mask-repeat: no-repeat;
	mask-repeat: no-repeat;
	-webkit-mask-position: center;
	mask-position: center;
	-webkit-mask-size: contain;
	mask-size: contain;
}

.spc-profile-icon[data-icon="home"] {
	-webkit-mask-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M3 10.5 12 3l9 7.5"/><path d="M5 9.5V21h14V9.5"/><path d="M9.5 21v-6h5v6"/></svg>');
	mask-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M3 10.5 12 3l9 7.5"/><path d="M5 9.5V21h14V9.5"/><path d="M9.5 21v-6h5v6"/></svg>');
}

.spc-profile-icon[data-icon="office"] {
	-webkit-mask-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="3" y="3" width="12" height="18" rx="1"/><path d="M15 9h6v12h-6"/><path d="M6.5 7h2M6.5 11h2M6.5 15h2M11 7h1M11 11h1M11 15h1M18 13h1M18 17h1"/></svg>');
	mask-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="3" y="3" width="12" height="18" rx="1"/><path d="M15 9h6v12h-6"/><path d="M6.5 7h2M6.5 11h2M6.5 15h2M11 7h1M11 11h1M11 15h1M18 13h1M18 17h1"/></svg>');
}

.spc-profile-icon[data-icon="van"] {
	-webkit-mask-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M2 16V7a1 1 0 0 1 1-1h11l5 5v5"/><path d="M2 16h2m4 0h8m4 0h2"/><circle cx="6" cy="17.5" r="1.8"/><circle cx="18" cy="17.5" r="1.8"/></svg>');
	mask-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M2 16V7a1 1 0 0 1 1-1h11l5 5v5"/><path d="M2 16h2m4 0h8m4 0h2"/><circle cx="6" cy="17.5" r="1.8"/><circle cx="18" cy="17.5" r="1.8"/></svg>');
}

.spc-profile-label {
	font-weight: 600;
}

.spc-profile-blurb {
	font-size: 0.85rem;
	color: var(--spc-muted);
}

/* ------------------------------------------------------------ picker */

.spc-picker {
	padding: var(--spc-gap);
	border: 1px solid var(--spc-line);
	border-radius: var(--spc-radius);
	background: var(--spc-panel);
	margin-bottom: var(--spc-gap);
}

.spc-search {
	display: block;
	position: relative;
	margin-bottom: 14px;
}

.spc-search-input {
	width: 100%;
	padding: 10px 12px;
	border: 1px solid var(--spc-line);
	border-radius: 8px;
	background: var(--spc-bg);
	color: var(--spc-ink);
	font: inherit;
}

.spc-library {
	max-height: 340px;
	overflow-y: auto;
}

.spc-group + .spc-group {
	margin-top: 14px;
}

.spc-group-title {
	margin: 0 0 8px;
	font-size: 0.78rem;
	font-weight: 700;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--spc-muted);
}

.spc-chips {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}

.spc-chip {
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	padding: 7px 12px;
	border: 1px solid var(--spc-line);
	border-radius: 999px;
	background: var(--spc-bg);
	color: inherit;
	font: inherit;
	font-size: 0.9rem;
	cursor: pointer;
	transition: border-color 0.12s ease, background 0.12s ease;
}

.spc-chip:hover {
	border-color: var(--spc-accent);
}

.spc-chip.is-chosen {
	border-color: var(--spc-accent);
	background: var(--spc-accent-soft);
	color: var(--spc-accent-ink);
}

.spc-chip.is-chosen .spc-chip-name::before {
	content: "\2713\00a0";
	font-weight: 700;
}

.spc-chip-watts {
	font-size: 0.72rem;
	color: var(--spc-muted);
}

.spc-chip.is-chosen .spc-chip-watts {
	color: var(--spc-accent-ink);
	opacity: 0.85;
}

.spc-no-match {
	margin: 0;
	color: var(--spc-muted);
}

/* --------------------------------------------------------- load list */

.spc-selected-head {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: 12px;
	margin-bottom: 10px;
}

.spc-selected-head h4 {
	margin: 0;
	font-size: 1rem;
}

.spc-empty {
	margin: 0 0 14px;
	color: var(--spc-muted);
	font-size: 0.92rem;
}

.spc-table-wrap {
	overflow-x: auto;
	/* Positioned so the visually-hidden labels inside the table resolve their
	   containing block here and get clipped with it. Without this they anchor
	   to the viewport and push the whole page sideways on narrow screens. */
	position: relative;
}

.spc-table {
	width: 100%;
	min-width: 520px;
	border-collapse: collapse;
	margin-bottom: 14px;
	background: none;
}

.spc-table th,
.spc-table td {
	padding: 8px 10px;
	border-bottom: 1px solid var(--spc-line);
	text-align: left;
	vertical-align: middle;
}

.spc-table thead th {
	font-size: 0.75rem;
	font-weight: 700;
	letter-spacing: 0.05em;
	text-transform: uppercase;
	color: var(--spc-muted);
}

.spc-table tfoot th,
.spc-table tfoot td {
	border-bottom: none;
	border-top: 2px solid var(--spc-line);
	font-weight: 700;
}

.spc-col-num {
	text-align: right;
	white-space: nowrap;
}

.spc-table td.spc-col-num input {
	width: 82px;
	padding: 6px 8px;
	border: 1px solid var(--spc-line);
	border-radius: 6px;
	background: var(--spc-bg);
	color: var(--spc-ink);
	font: inherit;
	font-size: 0.9rem;
	text-align: right;
}

.spc-col-action {
	width: 40px;
	text-align: right;
}

.spc-item-name {
	font-weight: 500;
}

.spc-tag {
	display: inline-block;
	margin-left: 6px;
	padding: 1px 7px;
	border-radius: 999px;
	background: var(--spc-accent-soft);
	color: var(--spc-accent-ink);
	font-size: 0.68rem;
	font-weight: 700;
	letter-spacing: 0.04em;
	vertical-align: middle;
}

.spc-tag-muted {
	background: transparent;
	border: 1px solid var(--spc-line);
	color: var(--spc-muted);
	font-weight: 500;
}

.spc-remove {
	width: 28px;
	height: 28px;
	border: 1px solid var(--spc-line);
	border-radius: 50%;
	background: none;
	color: var(--spc-muted);
	font-size: 1.1rem;
	line-height: 1;
	cursor: pointer;
}

.spc-remove:hover {
	border-color: #dc2626;
	color: #dc2626;
}

.spc-link {
	padding: 0;
	border: none;
	background: none;
	color: var(--spc-accent);
	font: inherit;
	font-size: 0.88rem;
	text-decoration: underline;
	cursor: pointer;
}

/* -------------------------------------------------- custom appliance */

.spc-custom,
.spc-advanced {
	margin-top: 14px;
	padding: 12px 14px;
	border: 1px solid var(--spc-line);
	border-radius: var(--spc-radius);
	background: var(--spc-panel);
}

.spc-custom > summary,
.spc-advanced > summary {
	font-weight: 600;
	cursor: pointer;
	color: var(--spc-accent);
}

.spc-custom-fields {
	display: flex;
	flex-wrap: wrap;
	align-items: flex-end;
	gap: 12px;
	margin-top: 14px;
}

.spc-custom-fields label {
	display: flex;
	flex-direction: column;
	gap: 4px;
	font-size: 0.82rem;
	color: var(--spc-muted);
}

.spc-custom-fields input[type="text"],
.spc-custom-fields input[type="number"] {
	padding: 8px 10px;
	border: 1px solid var(--spc-line);
	border-radius: 6px;
	background: var(--spc-bg);
	color: var(--spc-ink);
	font: inherit;
	font-size: 0.92rem;
}

.spc-custom-fields .spc-custom-name {
	min-width: 200px;
}

.spc-custom-fields .spc-custom-watts,
.spc-custom-fields .spc-custom-hours {
	width: 110px;
}

.spc-check {
	flex-direction: row !important;
	align-items: center;
	gap: 6px !important;
	padding-bottom: 8px;
}

.spc-custom-error {
	margin: 10px 0 0;
	color: #dc2626;
	font-size: 0.88rem;
}

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

.spc-fields {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: var(--spc-gap);
}

.spc-field {
	display: flex;
	flex-direction: column;
	gap: 5px;
}

.spc-field-label {
	font-size: 0.82rem;
	font-weight: 600;
	color: var(--spc-muted);
}

.spc-field select,
.spc-field input[type="number"],
.spc-field input[type="email"],
.spc-field input[type="text"] {
	width: 100%;
	padding: 9px 10px;
	border: 1px solid var(--spc-line);
	border-radius: 8px;
	background: var(--spc-bg);
	color: var(--spc-ink);
	font: inherit;
	font-size: 0.94rem;
}

.spc-field input[type="range"] {
	width: 100%;
	accent-color: var(--spc-accent);
}

.spc-simultaneity-out {
	font-size: 0.85rem;
	font-weight: 600;
	color: var(--spc-accent);
}

.spc-hint {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 15px;
	height: 15px;
	border-radius: 50%;
	background: var(--spc-line);
	color: var(--spc-muted);
	font-size: 0.65rem;
	font-weight: 700;
	cursor: help;
	vertical-align: middle;
}

.spc-advanced .spc-fields {
	margin-top: 14px;
}

/* ------------------------------------------------------------ results */

.spc-results-empty p {
	margin: 0;
	padding: 20px;
	border: 1px dashed var(--spc-line);
	border-radius: var(--spc-radius);
	color: var(--spc-muted);
	text-align: center;
}

.spc-headline {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
	gap: 2px;
	margin-bottom: var(--spc-gap);
	border-radius: var(--spc-radius);
	overflow: hidden;
	background: var(--spc-line);
}

.spc-headline-item {
	display: flex;
	flex-direction: column;
	gap: 2px;
	padding: 20px 18px;
	background: var(--spc-accent);
	color: #fff;
}

.spc-headline-item:nth-child(2) {
	background: var(--spc-accent-ink);
}

.spc-headline-item:nth-child(3) {
	background: #164e63;
}

.spc-headline-value {
	font-size: 2.1rem;
	font-weight: 700;
	line-height: 1.05;
}

.spc-headline-unit {
	font-size: 0.9rem;
	opacity: 0.9;
}

.spc-headline-label {
	margin-top: 6px;
	font-size: 0.74rem;
	letter-spacing: 0.07em;
	text-transform: uppercase;
	opacity: 0.75;
}

.spc-cards {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
	gap: var(--spc-gap);
}

.spc-card {
	padding: 16px;
	border: 1px solid var(--spc-line);
	border-radius: var(--spc-radius);
	background: var(--spc-panel);
}

.spc-card h4 {
	margin: 0 0 8px;
	font-size: 0.78rem;
	font-weight: 700;
	letter-spacing: 0.07em;
	text-transform: uppercase;
	color: var(--spc-muted);
}

.spc-card-lead {
	margin: 0 0 12px;
	font-size: 1.15rem;
	line-height: 1.3;
}

.spc-card-lead strong {
	font-size: 1.5rem;
	color: var(--spc-accent);
}

.spc-card dl {
	margin: 0;
	font-size: 0.9rem;
}

.spc-card dl > div {
	display: flex;
	justify-content: space-between;
	gap: 12px;
	padding: 5px 0;
	border-top: 1px solid var(--spc-line);
}

.spc-card dt {
	color: var(--spc-muted);
}

.spc-card dd {
	margin: 0;
	font-weight: 600;
	text-align: right;
}

.spc-card-impact {
	border-color: var(--spc-accent);
}

.spc-card-cost .spc-card-lead strong {
	color: var(--spc-sun);
}

.spc-card-note {
	margin: 10px 0 0;
	font-size: 0.78rem;
	color: var(--spc-muted);
}

/* ----------------------------------------------------------- warnings */

.spc-warnings {
	margin-top: var(--spc-gap);
	padding: 14px 16px;
	border-left: 4px solid var(--spc-sun);
	border-radius: 0 var(--spc-radius) var(--spc-radius) 0;
	background: var(--spc-panel);
}

.spc-warnings h4 {
	margin: 0 0 8px;
	font-size: 0.78rem;
	font-weight: 700;
	letter-spacing: 0.07em;
	text-transform: uppercase;
	color: var(--spc-muted);
}

.spc-warnings ul {
	margin: 0;
	padding-left: 20px;
	font-size: 0.9rem;
}

.spc-warnings li + li {
	margin-top: 6px;
}

/* ------------------------------------------------------------ actions */

.spc-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin-top: var(--spc-gap);
}

.spc-btn {
	display: inline-block;
	padding: 11px 20px;
	border: 1px solid var(--spc-accent);
	border-radius: 8px;
	font: inherit;
	font-size: 0.94rem;
	font-weight: 600;
	text-decoration: none;
	cursor: pointer;
}

.spc-btn-primary {
	background: var(--spc-accent);
	color: #fff;
}

.spc-btn-primary:hover {
	opacity: 0.9;
	color: #fff;
}

.spc-btn-secondary {
	background: none;
	color: var(--spc-accent);
}

.spc-btn-secondary:hover {
	background: var(--spc-accent-soft);
}

.spc-btn[disabled] {
	opacity: 0.6;
	cursor: default;
}

.spc-email-form {
	display: flex;
	flex-wrap: wrap;
	align-items: flex-end;
	gap: 12px;
	margin-top: var(--spc-gap);
	padding: 16px;
	border: 1px solid var(--spc-line);
	border-radius: var(--spc-radius);
	background: var(--spc-panel);
}

.spc-email-form .spc-field {
	flex: 1 1 200px;
}

.spc-email-status {
	flex: 1 0 100%;
	margin: 0;
	font-size: 0.88rem;
}

.spc-email-status.is-ok {
	color: var(--spc-accent);
}

.spc-email-status.is-error {
	color: #dc2626;
}

.spc-disclaimer {
	margin: var(--spc-gap) 0 0;
	font-size: 0.8rem;
	color: var(--spc-muted);
}

/* ----------------------------------------------------------- utility */

.spc [hidden] {
	display: none !important;
}

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

.spc :focus-visible {
	outline: 2px solid var(--spc-accent);
	outline-offset: 2px;
}

/* The load-list total lives in the table footer on wide screens, and on its
   own line below the table once the table starts scrolling sideways. */
.spc-total-mobile {
	display: none;
	justify-content: space-between;
	gap: 12px;
	margin: 0 0 14px;
	padding-top: 10px;
	border-top: 2px solid var(--spc-line);
	font-weight: 700;
}

@media (max-width: 620px) {
	.spc-table tfoot {
		display: none;
	}

	.spc-total-mobile:not([hidden]) {
		display: flex;
	}
}

@media (max-width: 600px) {
	.spc-headline-value {
		font-size: 1.7rem;
	}

	.spc-custom-fields .spc-custom-name {
		min-width: 100%;
	}
}

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

/* ------------------------------------------------------------- print */

@media print {
	.spc-picker,
	.spc-profiles,
	.spc-actions,
	.spc-email-form,
	.spc-custom,
	.spc-advanced,
	.spc-clear,
	.spc-col-action {
		display: none !important;
	}

	.spc {
		max-width: none;
		color: #000;
		background: #fff;
	}

	.spc-headline-item {
		background: #fff !important;
		color: #000 !important;
		border: 1px solid #999;
	}

	.spc-card,
	.spc-warnings {
		break-inside: avoid;
		background: #fff;
	}

	.spc-table td.spc-col-num input {
		border: none;
		background: none;
		padding: 0;
	}
}