/*!
 * PID Controller Tuning Estimator — module CSS (e2z-pid- prefix).
 * Color scheme (spec): Primary #4F46E5 (control indigo), Secondary #1E1B4B,
 * Accent #F59E0B, BG #EEF2FF.
 * Scope: .e2z-tool-pid-controller-tuning-estimator (framework shortcode wrapper).
 */

.e2z-tool-pid-controller-tuning-estimator,
.e2z-tool-pid-controller-tuning-estimator *,
.e2z-tool-pid-controller-tuning-estimator *::before,
.e2z-tool-pid-controller-tuning-estimator *::after {
	box-sizing: border-box;
}

.e2z-tool-pid-controller-tuning-estimator .e2z-pid-container {
	font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
	line-height: 1.5;
	color: #1E1B4B;
	width: 100%;
	margin: 0 auto;
	background: #EEF2FF;
	border-radius: 12px;
	box-shadow: 0 4px 20px rgba(79, 70, 229, 0.14);
	overflow: hidden;
}

/* Monospace technical fields */
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-mono,
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-stat-value,
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-formula,
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-table td {
	font-family: 'SF Mono', 'Courier New', ui-monospace, Menlo, Consolas, monospace;
}

/* Header */
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-header {
	padding: 24px 16px;
	background: linear-gradient(135deg, #1E1B4B, #4F46E5);
	color: #fff;
	text-align: center;
	border-bottom: 3px solid #F59E0B;
}
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-title {
	font-size: 1.6rem;
	font-weight: 700;
	margin: 0 0 4px;
	color: #fff;
}
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-subtitle {
	font-size: 0.84rem;
	opacity: 0.85;
	margin: 0;
}

/* Layout */
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-main-grid {
	display: flex;
	flex-direction: column;
	gap: 20px;
	padding: 16px;
}
@media (min-width: 1024px) {
	.e2z-tool-pid-controller-tuning-estimator .e2z-pid-main-grid {
		flex-direction: row;
		align-items: flex-start;
	}
	.e2z-tool-pid-controller-tuning-estimator .e2z-pid-inputs-panel { flex: 2; min-width: 0; }
	.e2z-tool-pid-controller-tuning-estimator .e2z-pid-results-panel { flex: 3; min-width: 360px; }
}

.e2z-tool-pid-controller-tuning-estimator .e2z-pid-inputs-panel,
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-results-panel {
	background: #FFFFFF;
	border-radius: 12px;
	padding: 20px;
	border: 1px solid #C7D2FE;
	box-shadow: 0 2px 8px rgba(79, 70, 229, 0.05);
	min-width: 0;
}
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-section-title {
	font-size: 1.02rem;
	font-weight: 600;
	color: #4F46E5;
	margin: 0 0 12px;
	padding-bottom: 7px;
	border-bottom: 2px solid #FEF3C7;
}
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-inputs-panel .e2z-pid-section-title { margin-top: 14px; }

/* Tabs */
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-tabs {
	display: flex;
	gap: 4px;
	margin-bottom: 16px;
	background: #EEF2FF;
	padding: 4px;
	border-radius: 8px;
	flex-wrap: wrap;
}
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-tab {
	flex: 1;
	min-width: 150px;
	min-height: 44px;
	padding: 10px 6px;
	border: none;
	border-radius: 6px;
	background: transparent;
	color: #4338CA;
	font-family: inherit;
	font-size: 0.82rem;
	font-weight: 600;
	cursor: pointer;
}
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-tab-active {
	background: #4F46E5;
	color: #fff;
}

/* Fields */
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-row {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin-bottom: 12px;
}
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-field {
	flex: 1;
	min-width: 120px;
	display: flex;
	flex-direction: column;
	margin-bottom: 12px;
}
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-row .e2z-pid-field { margin-bottom: 0; }
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-label {
	font-size: 0.85rem;
	font-weight: 500;
	color: #4338CA;
	margin-bottom: 4px;
}
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-hint {
	font-size: 0.73rem;
	color: #A5B4FC;
	margin-top: 5px;
	line-height: 1.45;
	display: block;
}
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-input {
	width: 100%;
	max-width: 100%;
	min-height: 44px;
	padding: 10px 12px;
	border: 1px solid #C7D2FE;
	border-radius: 6px;
	font-size: 0.95rem;
	background: #fff;
	color: #1E1B4B;
}
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-input:focus {
	outline: none;
	border-color: #F59E0B;
	box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.2);
}
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-check-wrap {
	display: flex;
	align-items: center;
	gap: 8px;
	font-size: 0.86rem;
	color: #4338CA;
	margin-bottom: 12px;
	cursor: pointer;
}
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-custom-toggle { width: 20px; height: 20px; min-height: 20px; accent-color: #4F46E5; }

/* Button */
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-calc-btn {
	width: 100%;
	min-height: 48px;
	padding: 13px;
	border: none;
	border-radius: 8px;
	background: #4F46E5;
	color: #fff;
	font-family: inherit;
	font-size: 1rem;
	font-weight: 700;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	transition: filter 0.15s ease;
	margin-top: 6px;
}
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-calc-btn:hover { filter: brightness(1.15); }
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-calc-btn:focus-visible {
	outline: none;
	box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.55);
}

/* Results */
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-empty-state {
	padding: 24px;
	text-align: center;
	color: #6B7280;
	background: #F5F7FF;
	border-radius: 8px;
}
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-hero {
	border-radius: 10px;
	padding: 16px;
	text-align: center;
	margin-bottom: 14px;
	background: #1E1B4B;
	border-bottom: 3px solid #F59E0B;
}
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-hero-value {
	font-size: 1.6rem;
	font-weight: 800;
	margin: 4px 0;
	line-height: 1.12;
	color: #FCD34D;
	font-family: 'SF Mono', 'Courier New', ui-monospace, monospace;
	word-break: break-word;
}
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-hero-label {
	font-size: 0.83rem;
	font-weight: 600;
	color: #A5B4FC;
	margin: 0;
}
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-badge {
	display: inline-block;
	padding: 4px 14px;
	border-radius: 999px;
	font-size: 0.8rem;
	font-weight: 800;
	margin-top: 6px;
	background: #FEF3C7;
	color: #B45309;
}

.e2z-tool-pid-controller-tuning-estimator .e2z-pid-result-block {
	background: #F5F7FF;
	border: 1px solid #E0E7FF;
	border-radius: 10px;
	padding: 14px;
	margin-bottom: 12px;
}
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-result-block h3 {
	font-size: 1rem;
	color: #1E1B4B;
	margin: 0 0 10px;
}
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-stat-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
	gap: 10px;
}
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-stat {
	background: #fff;
	border: 1px solid #E0E7FF;
	border-radius: 8px;
	padding: 12px 10px;
	text-align: center;
}
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-stat-label {
	font-size: 0.72rem;
	font-weight: 600;
	color: #6B7280;
	margin: 0 0 3px;
	font-family: 'Inter', system-ui, sans-serif;
}
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-stat-value {
	font-size: 1.25rem;
	font-weight: 700;
	color: #4F46E5;
	margin: 0;
	word-break: break-word;
}

.e2z-tool-pid-controller-tuning-estimator .e2z-pid-formula {
	display: block;
	background: #1E1B4B;
	color: #FCD34D;
	border-radius: 6px;
	padding: 9px 11px;
	font-size: 0.8rem;
	margin: 8px 0 0;
	overflow-x: auto;
	white-space: pre;
}
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-steps {
	list-style: none;
	margin: 0;
	padding: 0;
}
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-steps li {
	padding: 7px 10px 7px 12px;
	border-left: 3px solid #F59E0B;
	margin-bottom: 7px;
	background: #fff;
	border-radius: 0 6px 6px 0;
	font-size: 0.86rem;
	border-top: 1px solid #EEF2FF;
	border-right: 1px solid #EEF2FF;
	border-bottom: 1px solid #EEF2FF;
}

.e2z-tool-pid-controller-tuning-estimator .e2z-pid-note {
	font-size: 0.84rem;
	margin: 8px 0 0;
	padding: 9px 11px;
	border-radius: 6px;
}
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-note-info { background: #E0E7FF; color: #3730A3; border-left: 3px solid #4F46E5; }
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-note-warn { background: #FEF3C7; color: #92400E; border-left: 3px solid #F59E0B; }
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-note-error { background: #FEF2F2; color: #991B1B; border-left: 3px solid #DC2626; }

/* Export */
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-export-row {
	display: flex;
	gap: 10px;
	flex-wrap: wrap;
	margin-top: 12px;
}
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-print-btn,
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-copy-btn {
	flex: 1;
	min-height: 44px;
	padding: 11px;
	border: none;
	border-radius: 8px;
	color: #fff;
	font-family: inherit;
	font-size: 0.88rem;
	font-weight: 600;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 6px;
}
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-print-btn { background: #1E1B4B; }
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-copy-btn { background: #4F46E5; }
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-print-btn:hover,
.e2z-tool-pid-controller-tuning-estimator .e2z-pid-copy-btn:hover { filter: brightness(1.25); }

.e2z-tool-pid-controller-tuning-estimator .e2z-pid-disclaimer {
	font-size: 0.75rem;
	color: #A5B4FC;
	margin: 12px 0 0;
	line-height: 1.45;
}

.e2z-tool-pid-controller-tuning-estimator .e2z-pid-hidden { display: none !important; }

/* Responsive */
@media (max-width: 480px) {
	.e2z-tool-pid-controller-tuning-estimator .e2z-pid-title { font-size: 1.25rem; }
	.e2z-tool-pid-controller-tuning-estimator .e2z-pid-inputs-panel,
	.e2z-tool-pid-controller-tuning-estimator .e2z-pid-results-panel { padding: 14px; }
	.e2z-tool-pid-controller-tuning-estimator .e2z-pid-tab { min-width: 100%; }
}
@media (max-width: 360px) {
	.e2z-tool-pid-controller-tuning-estimator .e2z-pid-header { padding: 16px 10px; }
	.e2z-tool-pid-controller-tuning-estimator .e2z-pid-title { font-size: 1.05rem; }
	.e2z-tool-pid-controller-tuning-estimator .e2z-pid-field { min-width: 100%; }
}