@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&display=swap');

.expandform-widget {
	--ef-bg: #0a1826;
	--ef-card: #0d2036;
	--ef-panel: #0f2740;
	--ef-panel-border: #1c3a52;
	--ef-navy-pill: #122a44;
	--ef-teal: #2dd4bf;
	--ef-teal-strong: #14b8a6;
	--ef-teal-dim: #7fd9cd;
	--ef-ink: #eaf6f6;
	--ef-muted: #8fa6b8;
	--ef-white: #ffffff;
	--ef-font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
	--ef-font-body: 'Inter', 'Segoe UI', sans-serif;
	--ef-font-mono: 'Space Grotesk', 'Courier New', monospace;

	display: flex;
	justify-content: center;
	background: var(--ef-bg);
	padding: 32px 16px;
	border-radius: 20px;
	font-family: var(--ef-font-body);
	color: var(--ef-ink);
}
.expandform-widget *,
.expandform-widget *::before,
.expandform-widget *::after {
	box-sizing: border-box;
}
.expandform-widget button {
	font: inherit;
}

.expandform-card {
	width: 100%;
	max-width: 680px;
	background: var(--ef-card);
	border: 1px solid var(--ef-panel-border);
	border-radius: 20px;
	padding: 32px 32px 28px;
	box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.expandform-eyebrow {
	text-align: center;
	font-family: var(--ef-font-body);
	font-weight: 700;
	font-size: 0.75rem;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--ef-teal);
	margin-bottom: 6px;
}
.expandform-title {
	text-align: center;
	font-family: var(--ef-font-display);
	font-weight: 700;
	font-size: 1.6rem;
	color: var(--ef-white);
	margin: 0 0 22px;
}

.expandform-mode-row {
	display: flex;
	justify-content: center;
	gap: 8px;
	flex-wrap: wrap;
	margin-bottom: 22px;
}
.expandform-mode-btn {
	appearance: none;
	border: 1px solid var(--ef-panel-border);
	background: var(--ef-navy-pill);
	color: var(--ef-teal-dim);
	font-family: var(--ef-font-body);
	font-weight: 600;
	font-size: 0.85rem;
	padding: 9px 16px;
	border-radius: 999px;
	cursor: pointer;
	transition: all 0.15s ease;
}
.expandform-mode-btn.is-active {
	background: var(--ef-teal-strong);
	border-color: var(--ef-teal-strong);
	color: #06231f;
}

.expandform-input-row {
	display: flex;
	align-items: center;
	gap: 10px;
	margin-bottom: 18px;
}
.expandform-field { flex: 1; }
.expandform-field label {
	display: block;
	font-size: 0.72rem;
	font-weight: 700;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--ef-teal-dim);
	margin-bottom: 6px;
}
.expandform-field input {
	width: 100%;
	border: none;
	border-radius: 10px;
	padding: 13px 14px;
	font-family: var(--ef-font-mono);
	font-size: 1.05rem;
	background: var(--ef-white);
	color: #10233a;
	outline: none;
}
.expandform-field input:focus {
	box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.45);
}
.expandform-calc-btn {
	appearance: none;
	align-self: flex-end;
	border: none;
	border-radius: 10px;
	padding: 13px 24px;
	background: linear-gradient(135deg, var(--ef-teal-strong), var(--ef-teal));
	color: #06231f;
	font-family: var(--ef-font-display);
	font-weight: 700;
	font-size: 1rem;
	cursor: pointer;
	transition: transform 0.1s ease;
	white-space: nowrap;
}
.expandform-calc-btn:hover { transform: translateY(-1px); }
.expandform-calc-btn:active { transform: translateY(0); }

.expandform-examples-label {
	font-size: 0.72rem;
	font-weight: 700;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--ef-muted);
	margin-bottom: 10px;
}
.expandform-examples-row {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-bottom: 26px;
}
.expandform-example-chip {
	appearance: none;
	border: 1px solid var(--ef-panel-border);
	background: var(--ef-navy-pill);
	color: var(--ef-teal-dim);
	font-family: var(--ef-font-body);
	font-size: 0.82rem;
	padding: 8px 14px;
	border-radius: 999px;
	cursor: pointer;
	transition: all 0.15s ease;
}
.expandform-example-chip:hover {
	border-color: var(--ef-teal);
	color: var(--ef-white);
}

.expandform-result-panel {
	background: var(--ef-panel);
	border: 1px solid var(--ef-panel-border);
	border-radius: 16px;
	padding: 22px 22px 20px;
}
.expandform-result-label {
	font-size: 0.72rem;
	font-weight: 700;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--ef-muted);
	margin-bottom: 8px;
}
.expandform-original {
	font-family: var(--ef-font-display);
	font-weight: 700;
	font-size: 1.5rem;
	color: var(--ef-white);
	text-align: center;
	margin-bottom: 18px;
}

.expandform-expression-wrap {
	background: var(--ef-navy-pill);
	border: 1px solid var(--ef-teal);
	border-radius: 12px;
	padding: 16px 18px;
	margin-bottom: 20px;
}
.expandform-expression {
	font-family: var(--ef-font-mono);
	font-size: 1.05rem;
	color: var(--ef-teal);
	line-height: 1.6;
	word-break: break-word;
}

.expandform-breakdown-label {
	font-size: 0.72rem;
	font-weight: 700;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--ef-muted);
	margin-bottom: 12px;
}
.expandform-table-wrap {
	overflow-x: auto;
	border: 1px solid var(--ef-panel-border);
	border-radius: 12px;
}
.expandform-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 0.85rem;
}
.expandform-table th {
	background: var(--ef-navy-pill);
	color: var(--ef-teal-dim);
	text-align: left;
	font-size: 0.68rem;
	font-weight: 700;
	letter-spacing: 0.05em;
	text-transform: uppercase;
	padding: 10px 12px;
	white-space: nowrap;
}
.expandform-table td {
	padding: 9px 12px;
	border-top: 1px solid var(--ef-panel-border);
	color: var(--ef-ink);
	font-family: var(--ef-font-mono);
	white-space: nowrap;
}

.expandform-error-box {
	background: rgba(255, 138, 76, 0.12);
	border: 1px solid rgba(255, 138, 76, 0.4);
	color: #ffb98a;
	border-radius: 10px;
	padding: 12px 14px;
	font-size: 0.88rem;
}

@media (max-width: 480px) {
	.expandform-card { padding: 24px 18px; }
	.expandform-input-row { flex-direction: column; align-items: stretch; }
	.expandform-widget { padding: 20px 10px; }
	.expandform-expression { font-size: 0.92rem; }
}