/*!
 * Antenna Length Calculator — module CSS (e2z-alc- prefix).
 * Color scheme (spec): Primary #0891B2 (sky cyan), Secondary #0C4A6E (deep navy),
 * Accent #F97316 (orange), BG #F0F9FF.
 * Scope: .e2z-tool-antenna-length-calculator (framework shortcode wrapper).
 */

.e2z-tool-antenna-length-calculator,
.e2z-tool-antenna-length-calculator *,
.e2z-tool-antenna-length-calculator *::before,
.e2z-tool-antenna-length-calculator *::after {
	box-sizing: border-box;
}

.e2z-tool-antenna-length-calculator .e2z-alc-container {
	font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
	line-height: 1.5;
	color: #0C4A6E;
	width: 100%;
	margin: 0 auto;
	background: #F0F9FF;
	border-radius: 12px;
	box-shadow: 0 4px 20px rgba(12, 74, 110, 0.10);
	overflow: hidden;
}

/* Header */
.e2z-tool-antenna-length-calculator .e2z-alc-header {
	padding: 24px 16px;
	background: linear-gradient(135deg, #0891B2, #0C4A6E);
	color: #fff;
	text-align: center;
}
.e2z-tool-antenna-length-calculator .e2z-alc-title {
	font-size: 1.8rem;
	font-weight: 700;
	margin: 0 0 4px;
	color: #fff;
}
.e2z-tool-antenna-length-calculator .e2z-alc-subtitle {
	font-size: 0.9rem;
	opacity: 0.85;
	margin: 0;
}

/* Layout */
.e2z-tool-antenna-length-calculator .e2z-alc-main-grid {
	display: flex;
	flex-direction: column;
	gap: 20px;
	padding: 16px;
}
@media (min-width: 1024px) {
	.e2z-tool-antenna-length-calculator .e2z-alc-main-grid {
		flex-direction: row;
		align-items: flex-start;
	}
	.e2z-tool-antenna-length-calculator .e2z-alc-inputs-panel { flex: 3; }
	.e2z-tool-antenna-length-calculator .e2z-alc-results-panel {
		flex: 2;
		min-width: 340px;
		position: sticky;
		top: 20px;
	}
}

.e2z-tool-antenna-length-calculator .e2z-alc-inputs-panel,
.e2z-tool-antenna-length-calculator .e2z-alc-results-panel {
	background: #FFFFFF;
	border-radius: 12px;
	padding: 20px;
	border: 1px solid #BAE6FD;
	box-shadow: 0 2px 8px rgba(12, 74, 110, 0.05);
}
.e2z-tool-antenna-length-calculator .e2z-alc-section-title {
	font-size: 1.25rem;
	font-weight: 600;
	color: #0891B2;
	margin: 0 0 14px;
	padding-bottom: 8px;
	border-bottom: 2px solid #E0F2FE;
}

/* Fields */
.e2z-tool-antenna-length-calculator .e2z-alc-row {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin-bottom: 12px;
}
.e2z-tool-antenna-length-calculator .e2z-alc-field {
	flex: 1;
	min-width: 130px;
	display: flex;
	flex-direction: column;
}
.e2z-tool-antenna-length-calculator .e2z-alc-label {
	font-size: 0.85rem;
	font-weight: 500;
	color: #075985;
	margin-bottom: 4px;
}
.e2z-tool-antenna-length-calculator .e2z-alc-hint {
	font-size: 0.73rem;
	color: #7DD3FC;
	margin-top: 4px;
}
.e2z-tool-antenna-length-calculator .e2z-alc-input {
	width: 100%;
	min-height: 44px;
	padding: 9px 11px;
	border: 1px solid #BAE6FD;
	border-radius: 6px;
	font-size: 0.92rem;
	font-family: inherit;
	background: #fff;
	color: #0C4A6E;
}
.e2z-tool-antenna-length-calculator .e2z-alc-input:focus {
	outline: none;
	border-color: #0891B2;
	box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.12);
}

/* Presets */
.e2z-tool-antenna-length-calculator .e2z-alc-presets-label {
	font-size: 0.8rem;
	font-weight: 600;
	color: #075985;
	margin-bottom: 8px;
}
.e2z-tool-antenna-length-calculator .e2z-alc-presets {
	display: flex;
	gap: 8px;
	flex-wrap: wrap;
	margin-bottom: 16px;
}
.e2z-tool-antenna-length-calculator .e2z-alc-preset-chip {
	min-height: 34px;
	padding: 5px 12px;
	border: 1px solid #BAE6FD;
	border-radius: 999px;
	background: #F0F9FF;
	color: #0891B2;
	font-family: inherit;
	font-size: 0.8rem;
	font-weight: 600;
	cursor: pointer;
	transition: all 0.12s ease;
}
.e2z-tool-antenna-length-calculator .e2z-alc-preset-chip:hover {
	background: #0891B2;
	border-color: #0891B2;
	color: #fff;
}
.e2z-tool-antenna-length-calculator .e2z-alc-preset-chip:focus-visible {
	outline: none;
	box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.3);
}

/* Button */
.e2z-tool-antenna-length-calculator .e2z-alc-calc-btn {
	width: 100%;
	min-height: 48px;
	padding: 13px;
	border: none;
	border-radius: 8px;
	background: #0891B2;
	color: #fff;
	font-family: inherit;
	font-size: 1rem;
	font-weight: 600;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	transition: filter 0.15s ease;
	margin-top: 4px;
}
.e2z-tool-antenna-length-calculator .e2z-alc-calc-btn:hover { filter: brightness(1.12); }
.e2z-tool-antenna-length-calculator .e2z-alc-calc-btn:focus-visible {
	outline: none;
	box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.35);
}

/* Results */
.e2z-tool-antenna-length-calculator .e2z-alc-empty-state {
	padding: 24px;
	text-align: center;
	color: #0369A1;
	background: #F0F9FF;
	border-radius: 8px;
}
.e2z-tool-antenna-length-calculator .e2z-alc-hero {
	border-radius: 10px;
	padding: 16px;
	text-align: center;
	margin-bottom: 14px;
	border: 1px solid #7DD3FC;
	background: #E0F2FE;
}
.e2z-tool-antenna-length-calculator .e2z-alc-hero-value {
	font-size: 2rem;
	font-weight: 800;
	margin: 4px 0;
	line-height: 1.1;
	color: #0891B2;
}
.e2z-tool-antenna-length-calculator .e2z-alc-hero-label {
	font-size: 0.85rem;
	font-weight: 600;
	color: #075985;
	margin: 0;
}
.e2z-tool-antenna-length-calculator .e2z-alc-result-block {
	background: #F0F9FF;
	border: 1px solid #BAE6FD;
	border-radius: 10px;
	padding: 14px;
	margin-bottom: 12px;
}
.e2z-tool-antenna-length-calculator .e2z-alc-result-block h3 {
	font-size: 1rem;
	color: #0C4A6E;
	margin: 0 0 10px;
}
.e2z-tool-antenna-length-calculator .e2z-alc-stat-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
	gap: 10px;
}
.e2z-tool-antenna-length-calculator .e2z-alc-stat {
	background: #fff;
	border: 1px solid #BAE6FD;
	border-radius: 8px;
	padding: 10px;
	text-align: center;
}
.e2z-tool-antenna-length-calculator .e2z-alc-stat-label {
	font-size: 0.73rem;
	font-weight: 600;
	color: #0369A1;
	margin: 0 0 3px;
}
.e2z-tool-antenna-length-calculator .e2z-alc-stat-value {
	font-size: 1.02rem;
	font-weight: 700;
	color: #0891B2;
	margin: 0;
}
.e2z-tool-antenna-length-calculator .e2z-alc-stat-orange .e2z-alc-stat-value { color: #F97316; }
.e2z-tool-antenna-length-calculator .e2z-alc-stat-navy .e2z-alc-stat-value { color: #0C4A6E; }

.e2z-tool-antenna-length-calculator .e2z-alc-note {
	font-size: 0.84rem;
	margin: 8px 0 0;
	padding: 9px 11px;
	border-radius: 6px;
}
.e2z-tool-antenna-length-calculator .e2z-alc-note-info { background: #FFF7ED; color: #9A3412; border-left: 3px solid #F97316; }
.e2z-tool-antenna-length-calculator .e2z-alc-note-sky { background: #F0F9FF; color: #075985; border-left: 3px solid #0891B2; }
.e2z-tool-antenna-length-calculator .e2z-alc-note-error { background: #FEF2F2; color: #991B1B; border-left: 3px solid #DC2626; }

.e2z-tool-antenna-length-calculator .e2z-alc-table-wrap { width: 100%; overflow-x: auto; }
.e2z-tool-antenna-length-calculator .e2z-alc-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 0.84rem;
}
.e2z-tool-antenna-length-calculator .e2z-alc-table th {
	background: #E0F2FE;
	padding: 8px;
	text-align: left;
	font-weight: 600;
	border-bottom: 2px solid #BAE6FD;
	white-space: nowrap;
}
.e2z-tool-antenna-length-calculator .e2z-alc-table td {
	padding: 8px;
	border-bottom: 1px solid #F0F9FF;
}

/* Export */
.e2z-tool-antenna-length-calculator .e2z-alc-export-row {
	display: flex;
	gap: 10px;
	flex-wrap: wrap;
	margin-top: 12px;
}
.e2z-tool-antenna-length-calculator .e2z-alc-print-btn,
.e2z-tool-antenna-length-calculator .e2z-alc-copy-btn {
	flex: 1;
	min-height: 44px;
	padding: 11px;
	border: none;
	border-radius: 8px;
	color: #fff;
	font-family: inherit;
	font-size: 0.9rem;
	font-weight: 600;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 6px;
}
.e2z-tool-antenna-length-calculator .e2z-alc-print-btn { background: #0891B2; }
.e2z-tool-antenna-length-calculator .e2z-alc-copy-btn { background: #0C4A6E; }
.e2z-tool-antenna-length-calculator .e2z-alc-print-btn:hover,
.e2z-tool-antenna-length-calculator .e2z-alc-copy-btn:hover { filter: brightness(1.2); }

.e2z-tool-antenna-length-calculator .e2z-alc-disclaimer {
	font-size: 0.75rem;
	color: #7DD3FC;
	margin: 12px 0 0;
	line-height: 1.45;
}

.e2z-tool-antenna-length-calculator .e2z-alc-hidden { display: none !important; }

/* Responsive */
@media (max-width: 480px) {
	.e2z-tool-antenna-length-calculator .e2z-alc-title { font-size: 1.4rem; }
	.e2z-tool-antenna-length-calculator .e2z-alc-field { min-width: 120px; }
	.e2z-tool-antenna-length-calculator .e2z-alc-inputs-panel,
	.e2z-tool-antenna-length-calculator .e2z-alc-results-panel { padding: 14px; }
}
@media (max-width: 360px) {
	.e2z-tool-antenna-length-calculator .e2z-alc-header { padding: 16px 10px; }
	.e2z-tool-antenna-length-calculator .e2z-alc-title { font-size: 1.25rem; }
	.e2z-tool-antenna-length-calculator .e2z-alc-field { min-width: 100%; }
}