/**
 * Embroidery Tools Core — shared pro UI.
 * Works with the magazine theme tokens; includes safe fallbacks.
 */

.tool-panel,
.tool-workspace {
	--etc-ink: var(--color-charcoal, #242424);
	--etc-ink-soft: var(--color-charcoal-soft, #3a3a3a);
	--etc-muted: var(--color-muted, #6b655c);
	--etc-cream: var(--color-cream, #f8f6f1);
	--etc-sand: var(--color-sand, #e8e0d4);
	--etc-beige: var(--color-beige, #d4c4a8);
	--etc-olive: var(--color-olive, #6b7b5a);
	--etc-olive-dark: var(--color-olive-dark, #556348);
	--etc-line: var(--color-line, rgba(36, 36, 36, 0.1));
	--etc-line-strong: var(--color-line-strong, rgba(36, 36, 36, 0.18));
	--etc-white: var(--color-white, #fff);
	--etc-serif: var(--font-serif, "Cormorant Garamond", Georgia, serif);
	--etc-sans: var(--font-sans, "Source Sans 3", "Segoe UI", sans-serif);
	--etc-radius: var(--radius-md, 14px);
	--etc-radius-sm: var(--radius-sm, 8px);
	--etc-shadow: 0 18px 48px rgba(36, 36, 36, 0.07);
	--etc-ease: 180ms ease;
}

.tool-workspace {
	display: grid;
	gap: 1.5rem;
}

.tool-landing__header {
	max-width: 42rem;
	margin-bottom: 0.25rem;
}

.tool-landing__header .section-intro {
	color: var(--etc-muted);
}

/* ——— Shell ——— */

.tool-panel {
	display: grid;
	gap: 1.25rem;
	font-family: var(--etc-sans);
}

.tool-panel__grid {
	display: grid;
	grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
	gap: 1.25rem;
	align-items: start;
}

.tool-panel__card {
	position: relative;
	background:
		linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.98)),
		var(--etc-white);
	border: 1px solid var(--etc-line);
	border-radius: calc(var(--etc-radius) + 4px);
	padding: 1.35rem 1.35rem 1.45rem;
	box-shadow: var(--etc-shadow);
	overflow: clip;
}

.tool-panel__card::before {
	content: "";
	position: absolute;
	inset: 0 0 auto;
	height: 3px;
	background: linear-gradient(90deg, var(--etc-olive), var(--etc-beige), transparent 72%);
	opacity: 0.9;
	pointer-events: none;
}

.tool-panel__card--result {
	background:
		radial-gradient(120% 80% at 100% 0%, rgba(107, 123, 90, 0.08), transparent 55%),
		linear-gradient(180deg, #fffefb, var(--etc-cream));
}

.tool-panel__card-head {
	display: grid;
	gap: 0.35rem;
	margin-bottom: 1.15rem;
	padding-bottom: 0.95rem;
	border-bottom: 1px solid var(--etc-line);
}

.tool-panel__card-head h2,
.tool-panel__card h2,
.tool-panel__card h3 {
	font-family: var(--etc-serif);
	font-size: clamp(1.35rem, 1.2rem + 0.5vw, 1.7rem);
	font-weight: 550;
	letter-spacing: -0.015em;
	margin: 0;
	color: var(--etc-ink);
}

.tool-panel__lede {
	margin: 0;
	color: var(--etc-muted);
	font-size: 0.94rem;
	line-height: 1.5;
}

.tool-section {
	display: grid;
	gap: 0.85rem;
	margin-bottom: 1.15rem;
}

.tool-section:last-child {
	margin-bottom: 0;
}

.tool-section__label {
	margin: 0;
	font-size: 0.72rem;
	font-weight: 700;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--etc-olive-dark);
}

/* ——— Fields ——— */

.tool-field {
	display: grid;
	gap: 0.42rem;
	margin-bottom: 0;
}

.tool-field label,
.tool-check {
	font-weight: 600;
	font-size: 0.92rem;
	color: var(--etc-ink-soft);
}

.tool-field input,
.tool-field select,
.tool-field textarea {
	width: 100%;
	border: 1px solid var(--etc-line-strong);
	border-radius: var(--etc-radius-sm);
	padding: 0.78rem 0.9rem;
	font: inherit;
	color: var(--etc-ink);
	background: var(--etc-white);
	transition: border-color var(--etc-ease), box-shadow var(--etc-ease), background var(--etc-ease);
	appearance: none;
}

.tool-field select {
	background-image:
		linear-gradient(45deg, transparent 50%, var(--etc-muted) 50%),
		linear-gradient(135deg, var(--etc-muted) 50%, transparent 50%);
	background-position:
		calc(100% - 18px) calc(50% - 2px),
		calc(100% - 12px) calc(50% - 2px);
	background-size: 6px 6px, 6px 6px;
	background-repeat: no-repeat;
	padding-right: 2.2rem;
}

.tool-field input:hover,
.tool-field select:hover,
.tool-field textarea:hover {
	border-color: rgba(85, 99, 72, 0.45);
}

.tool-field input:focus,
.tool-field select:focus,
.tool-field textarea:focus {
	outline: none;
	border-color: var(--etc-olive);
	box-shadow: 0 0 0 3px rgba(107, 123, 90, 0.18);
}

.tool-field input[type="color"] {
	padding: 0.35rem;
	height: 2.85rem;
	cursor: pointer;
}

.tool-field input[type="range"] {
	padding: 0.55rem 0;
	border: 0;
	background: transparent;
	accent-color: var(--etc-olive-dark);
	box-shadow: none;
}

.tool-field input[type="range"]:focus {
	box-shadow: none;
}

.tool-check {
	display: inline-flex;
	align-items: center;
	gap: 0.55rem;
	margin: 0.15rem 0 0.35rem;
	cursor: pointer;
	user-select: none;
}

.tool-check input {
	width: 1.05rem;
	height: 1.05rem;
	accent-color: var(--etc-olive-dark);
	margin: 0;
}

.etc-inline-fields {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 0.85rem;
}

.etc-inline-fields--3 {
	grid-template-columns: repeat(3, minmax(0, 1fr));
}

/* ——— Actions ——— */

.tool-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.65rem;
	margin-top: 0.35rem;
}

.tool-actions--stack {
	flex-direction: column;
	align-items: stretch;
}

.tool-actions--stack .button {
	width: 100%;
}

.tool-actions--exports {
	margin-top: 0.85rem;
	padding-top: 0.85rem;
	border-top: 1px dashed var(--etc-line-strong);
}

.tool-actions .button {
	border-radius: 999px;
}

.tool-actions .button.is-busy,
.tool-actions .button:disabled {
	opacity: 0.72;
	pointer-events: none;
	cursor: wait;
}

.tool-actions .button.is-busy::after {
	content: "";
	width: 0.85rem;
	height: 0.85rem;
	border: 2px solid currentColor;
	border-right-color: transparent;
	border-radius: 50%;
	animation: etc-spin 0.7s linear infinite;
	margin-left: 0.15rem;
}

@keyframes etc-spin {
	to { transform: rotate(360deg); }
}

/* ——— Dropzone ——— */

.tool-dropzone {
	position: relative;
	display: grid;
	justify-items: center;
	gap: 0.45rem;
	border: 1.5px dashed rgba(107, 123, 90, 0.5);
	border-radius: var(--etc-radius);
	padding: 1.65rem 1.2rem;
	text-align: center;
	background:
		radial-gradient(circle at 50% 0%, rgba(107, 123, 90, 0.08), transparent 55%),
		var(--etc-cream);
	cursor: pointer;
	transition: border-color var(--etc-ease), background var(--etc-ease), transform var(--etc-ease), box-shadow var(--etc-ease);
}

.tool-dropzone:hover,
.tool-dropzone:focus-visible {
	border-color: var(--etc-olive-dark);
	background: #f3eee4;
	outline: none;
}

.tool-dropzone.is-dragover {
	border-color: var(--etc-olive-dark);
	background: #efe9df;
	box-shadow: inset 0 0 0 1px rgba(85, 99, 72, 0.2);
	transform: translateY(-1px);
}

.tool-dropzone.is-ready {
	border-style: solid;
	border-color: rgba(85, 99, 72, 0.35);
	background: #f4f7f0;
}

.tool-dropzone__icon {
	width: 2.5rem;
	height: 2.5rem;
	display: grid;
	place-items: center;
	border-radius: 999px;
	background: rgba(107, 123, 90, 0.12);
	color: var(--etc-olive-dark);
	margin-bottom: 0.2rem;
}

.tool-dropzone__icon svg {
	width: 1.2rem;
	height: 1.2rem;
}

.tool-dropzone strong {
	font-size: 1rem;
	color: var(--etc-ink);
}

.tool-dropzone__hint {
	margin: 0;
	color: var(--etc-muted);
	font-size: 0.9rem;
	max-width: 28rem;
	line-height: 1.45;
}

.tool-dropzone__file {
	display: none;
	margin: 0.15rem 0 0;
	font-size: 0.84rem;
	font-weight: 600;
	color: var(--etc-olive-dark);
}

.tool-dropzone.is-ready .tool-dropzone__file {
	display: block;
}

/* ——— Metrics / results ——— */

.etc-results,
.etc-metrics {
	display: grid;
	gap: 0.65rem;
	margin: 0;
	padding: 0;
	list-style: none;
}

.etc-results li,
.etc-metrics li {
	display: flex;
	justify-content: space-between;
	align-items: baseline;
	gap: 1rem;
	padding: 0.8rem 0.95rem;
	border: 1px solid var(--etc-line);
	border-radius: var(--etc-radius-sm);
	background: rgba(255, 255, 255, 0.72);
}

.etc-results li span,
.etc-metrics li span {
	color: var(--etc-muted);
	font-size: 0.9rem;
}

.etc-results strong,
.etc-metrics strong {
	font-variant-numeric: tabular-nums;
	font-size: 1.02rem;
	color: var(--etc-ink);
	text-align: right;
}

.etc-metrics--hero li:first-child {
	background: linear-gradient(135deg, rgba(107, 123, 90, 0.14), rgba(212, 196, 168, 0.22));
	border-color: transparent;
}

.etc-metrics--hero li:first-child strong {
	font-family: var(--etc-serif);
	font-size: 1.45rem;
	font-weight: 550;
}

.etc-thread-palette {
	display: flex;
	flex-wrap: wrap;
	gap: 0.45rem;
	margin-top: 0.95rem;
}

.etc-thread-swatch,
.etc-color-swatch {
	width: 1.45rem;
	height: 1.45rem;
	border-radius: 999px;
	border: 1px solid rgba(36, 36, 36, 0.16);
	box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.28);
	flex-shrink: 0;
}

.etc-color-row {
	display: grid;
	grid-template-columns: auto 1fr auto;
	gap: 0.85rem;
	align-items: center;
	padding: 0.85rem 0.2rem;
	border-bottom: 1px solid var(--etc-line);
}

.etc-color-row:last-child {
	border-bottom: 0;
}

.etc-color-row p {
	margin: 0;
	font-weight: 600;
}

.etc-color-row small {
	color: var(--etc-muted);
}

/* ——— Preview ——— */

.etc-preview-note {
	margin: -0.35rem 0 0.9rem;
	color: var(--etc-muted);
	font-size: 0.92rem;
}

.etc-preview-frame,
.tool-preview {
	width: 100%;
	min-height: 280px;
	display: grid;
	place-items: center;
	padding: 1rem;
	border-radius: var(--etc-radius);
	border: 1px solid var(--etc-line);
	background:
		linear-gradient(45deg, rgba(232, 224, 212, 0.55) 25%, transparent 25%),
		linear-gradient(-45deg, rgba(232, 224, 212, 0.55) 25%, transparent 25%),
		linear-gradient(45deg, transparent 75%, rgba(232, 224, 212, 0.55) 75%),
		linear-gradient(-45deg, transparent 75%, rgba(232, 224, 212, 0.55) 75%),
		#faf7f1;
	background-size: 18px 18px;
	background-position: 0 0, 0 9px, 9px -9px, -9px 0;
	overflow: auto;
	color: var(--etc-muted);
	text-align: center;
}

.etc-preview-frame svg,
.etc-preview-frame canvas,
.etc-preview-frame img,
.tool-preview img,
.tool-preview canvas {
	max-width: 100%;
	height: auto;
}

.etc-preview-empty {
	display: grid;
	gap: 0.35rem;
	justify-items: center;
	max-width: 18rem;
	margin: 0 auto;
}

.etc-preview-empty strong {
	color: var(--etc-ink-soft);
	font-size: 0.98rem;
}

.etc-preview-empty p {
	margin: 0;
	font-size: 0.9rem;
	line-height: 1.45;
}

.etc-source-details {
	margin-top: 1rem;
	border: 1px solid var(--etc-line);
	border-radius: var(--etc-radius-sm);
	background: rgba(255, 255, 255, 0.55);
	padding: 0.35rem 0.85rem 0.85rem;
}

.etc-source-details summary {
	cursor: pointer;
	font-weight: 600;
	padding: 0.55rem 0;
	list-style: none;
}

.etc-source-details summary::-webkit-details-marker {
	display: none;
}

.etc-source-details summary::before {
	content: "+";
	display: inline-block;
	width: 1.1rem;
	color: var(--etc-olive-dark);
	font-weight: 700;
}

.etc-source-details[open] summary::before {
	content: "–";
}

/* ——— Status ——— */

.tool-status {
	display: flex;
	align-items: flex-start;
	gap: 0.45rem;
	min-height: 1.35em;
	margin: 0.85rem 0 0;
	padding: 0.7rem 0.85rem;
	border-radius: var(--etc-radius-sm);
	font-size: 0.92rem;
	line-height: 1.4;
	color: var(--etc-muted);
	background: transparent;
	border: 1px solid transparent;
}

.tool-status:empty {
	display: none;
}

.tool-status.is-loading {
	color: var(--etc-olive-dark);
	background: rgba(107, 123, 90, 0.08);
	border-color: rgba(107, 123, 90, 0.14);
}

.tool-status.is-success {
	color: #3f5a34;
	background: rgba(107, 123, 90, 0.12);
	border-color: rgba(107, 123, 90, 0.2);
}

.tool-status.is-error {
	color: #8a3b2d;
	background: rgba(138, 59, 45, 0.08);
	border-color: rgba(138, 59, 45, 0.16);
}

.tool-status.is-success::before {
	content: "✓";
	font-weight: 700;
}

.tool-status.is-error::before {
	content: "!";
	font-weight: 700;
}

.tool-status.is-loading::before {
	content: "";
	width: 0.75rem;
	height: 0.75rem;
	margin-top: 0.2rem;
	border: 2px solid currentColor;
	border-right-color: transparent;
	border-radius: 50%;
	animation: etc-spin 0.7s linear infinite;
	flex-shrink: 0;
}

/* ——— Responsive ——— */

@media (max-width: 900px) {
	.tool-panel__grid {
		grid-template-columns: 1fr;
	}

	.etc-inline-fields--3 {
		grid-template-columns: 1fr 1fr;
	}
}

@media (max-width: 640px) {
	.tool-panel__card {
		padding: 1.1rem;
		border-radius: 14px;
	}

	.etc-inline-fields,
	.etc-inline-fields--3 {
		grid-template-columns: 1fr;
	}

	.tool-actions .button {
		flex: 1 1 auto;
	}
}