/*!
 * Concrete Mix Design Calculator — module CSS (e2z-cmd- prefix).
 * Color scheme (spec): Primary #57534E (stone gray), Secondary #1C1917,
 * Accent #CA8A04 (construction yellow), BG #FAFAF9.
 * Scope: .e2z-tool-concrete-mix-design-calculator (framework shortcode wrapper).
 */

.e2z-tool-concrete-mix-design-calculator,
.e2z-tool-concrete-mix-design-calculator *,
.e2z-tool-concrete-mix-design-calculator *::before,
.e2z-tool-concrete-mix-design-calculator *::after {
	box-sizing: border-box;
}

.e2z-tool-concrete-mix-design-calculator .e2z-cmd-container {
	font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
	line-height: 1.5;
	color: #1C1917;
	width: 100%;
	margin: 0 auto;
	background: #FAFAF9;
	border-radius: 12px;
	box-shadow: 0 4px 20px rgba(28, 25, 23, 0.10);
	overflow: hidden;
}

/* Header */
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-header {
	padding: 24px 16px;
	background: linear-gradient(135deg, #57534E, #1C1917);
	color: #fff;
	text-align: center;
	border-bottom: 4px solid #CA8A04;
}
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-title {
	font-size: 1.8rem;
	font-weight: 700;
	margin: 0 0 4px;
	color: #fff;
}
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-subtitle {
	font-size: 0.9rem;
	opacity: 0.85;
	margin: 0;
}

/* Layout */
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-main-grid {
	display: flex;
	flex-direction: column;
	gap: 20px;
	padding: 16px;
}
@media (min-width: 1024px) {
	.e2z-tool-concrete-mix-design-calculator .e2z-cmd-main-grid {
		flex-direction: row;
		align-items: flex-start;
	}
	.e2z-tool-concrete-mix-design-calculator .e2z-cmd-inputs-panel { flex: 3; }
	.e2z-tool-concrete-mix-design-calculator .e2z-cmd-results-panel {
		flex: 3;
		min-width: 360px;
		position: sticky;
		top: 20px;
	}
}

.e2z-tool-concrete-mix-design-calculator .e2z-cmd-inputs-panel,
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-results-panel {
	background: #FFFFFF;
	border-radius: 12px;
	padding: 20px;
	border: 1px solid #E7E5E4;
	box-shadow: 0 2px 8px rgba(28, 25, 23, 0.05);
}
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-section-title {
	font-size: 1.2rem;
	font-weight: 600;
	color: #57534E;
	margin: 0 0 12px;
	padding-bottom: 8px;
	border-bottom: 2px solid #FEF9C3;
}
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-section-title + .e2z-cmd-section-title { margin-top: 18px; }

/* Fields */
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-row {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin-bottom: 12px;
}
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-field {
	flex: 1;
	min-width: 135px;
	display: flex;
	flex-direction: column;
}
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-label {
	font-size: 0.85rem;
	font-weight: 500;
	color: #57534E;
	margin-bottom: 4px;
}
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-hint {
	font-size: 0.73rem;
	color: #A8A29E;
	margin-top: 4px;
}
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-input {
	width: 100%;
	min-height: 44px;
	padding: 9px 11px;
	border: 1px solid #D6D3D1;
	border-radius: 6px;
	font-size: 0.92rem;
	font-family: inherit;
	background: #fff;
	color: #1C1917;
}
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-input:focus {
	outline: none;
	border-color: #CA8A04;
	box-shadow: 0 0 0 3px rgba(202, 138, 4, 0.16);
}

/* Button */
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-calc-btn {
	width: 100%;
	min-height: 48px;
	padding: 13px;
	border: none;
	border-radius: 8px;
	background: #57534E;
	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-concrete-mix-design-calculator .e2z-cmd-calc-btn:hover { filter: brightness(1.2); }
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-calc-btn:focus-visible {
	outline: none;
	box-shadow: 0 0 0 3px rgba(202, 138, 4, 0.4);
}

/* Results */
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-empty-state {
	padding: 24px;
	text-align: center;
	color: #78716C;
	background: #FAFAF9;
	border-radius: 8px;
}
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-hero {
	border-radius: 10px;
	padding: 16px;
	text-align: center;
	margin-bottom: 14px;
	border: 1px solid #FDE68A;
	background: #FEFCE8;
}
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-hero-value {
	font-size: 1.9rem;
	font-weight: 800;
	margin: 4px 0;
	line-height: 1.15;
	color: #57534E;
}
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-hero-label {
	font-size: 0.85rem;
	font-weight: 600;
	color: #78716C;
	margin: 0;
}
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-result-block {
	background: #FAFAF9;
	border: 1px solid #E7E5E4;
	border-radius: 10px;
	padding: 14px;
	margin-bottom: 12px;
}
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-result-block h3 {
	font-size: 1rem;
	color: #1C1917;
	margin: 0 0 10px;
}
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-stat-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(125px, 1fr));
	gap: 10px;
}
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-stat {
	background: #fff;
	border: 1px solid #E7E5E4;
	border-radius: 8px;
	padding: 10px;
	text-align: center;
}
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-stat-label {
	font-size: 0.73rem;
	font-weight: 600;
	color: #78716C;
	margin: 0 0 3px;
}
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-stat-value {
	font-size: 1.02rem;
	font-weight: 700;
	color: #57534E;
	margin: 0;
}
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-stat-yellow .e2z-cmd-stat-value { color: #CA8A04; }
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-stat-dark .e2z-cmd-stat-value { color: #1C1917; }
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-stat-blue .e2z-cmd-stat-value { color: #0369A1; }

/* Governing badge */
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-badge {
	display: inline-block;
	padding: 4px 14px;
	border-radius: 999px;
	font-size: 0.85rem;
	font-weight: 700;
	margin-top: 8px;
}
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-badge-dur { background: #FEF3C7; color: #92400E; }
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-badge-str { background: #E0F2FE; color: #075985; }

.e2z-tool-concrete-mix-design-calculator .e2z-cmd-note {
	font-size: 0.84rem;
	margin: 8px 0 0;
	padding: 9px 11px;
	border-radius: 6px;
}
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-note-info { background: #FEFCE8; color: #854D0E; border-left: 3px solid #CA8A04; }
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-note-warn { background: #FFF7ED; color: #9A3412; border-left: 3px solid #EA580C; }
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-note-error { background: #FEF2F2; color: #991B1B; border-left: 3px solid #DC2626; }

/* Ratio strip */
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-ratio-strip {
	display: flex;
	justify-content: center;
	align-items: baseline;
	gap: 8px;
	flex-wrap: wrap;
	margin: 6px 0 0;
	font-weight: 800;
	font-size: 1.35rem;
	color: #1C1917;
}
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-ratio-part { color: #CA8A04; }

/* Export */
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-export-row {
	display: flex;
	gap: 10px;
	flex-wrap: wrap;
	margin-top: 12px;
}
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-print-btn,
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-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-concrete-mix-design-calculator .e2z-cmd-print-btn { background: #57534E; }
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-copy-btn { background: #1C1917; }
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-print-btn:hover,
.e2z-tool-concrete-mix-design-calculator .e2z-cmd-copy-btn:hover { filter: brightness(1.3); }

.e2z-tool-concrete-mix-design-calculator .e2z-cmd-disclaimer {
	font-size: 0.75rem;
	color: #A8A29E;
	margin: 12px 0 0;
	line-height: 1.45;
}

.e2z-tool-concrete-mix-design-calculator .e2z-cmd-hidden { display: none !important; }

/* Responsive */
@media (max-width: 480px) {
	.e2z-tool-concrete-mix-design-calculator .e2z-cmd-title { font-size: 1.4rem; }
	.e2z-tool-concrete-mix-design-calculator .e2z-cmd-field { min-width: 115px; }
	.e2z-tool-concrete-mix-design-calculator .e2z-cmd-inputs-panel,
	.e2z-tool-concrete-mix-design-calculator .e2z-cmd-results-panel { padding: 14px; }
}
@media (max-width: 360px) {
	.e2z-tool-concrete-mix-design-calculator .e2z-cmd-header { padding: 16px 10px; }
	.e2z-tool-concrete-mix-design-calculator .e2z-cmd-title { font-size: 1.25rem; }
	.e2z-tool-concrete-mix-design-calculator .e2z-cmd-field { min-width: 100%; }
}