/**
 * MaharatWeb Calculator – Frontend Styles
 * Flat design with full RTL support
 */

/* ── Reset ──────────────────────────────────────────── */
.mwc-calculator *,
.mwc-calculator *::before,
.mwc-calculator *::after {
	box-sizing: border-box;
}

/* ── Wrapper ────────────────────────────────────────── */
.mwc-calculator {
	direction: rtl;
	font-family: -apple-system, "Segoe UI", Tahoma, "Vazirmatn", sans-serif;
	background: #f8fafc;
	border: 1px solid #e2e8f0;
	border-radius: var(--mwc-radius, 8px);
	padding: var(--mwc-wrapper-padding, 24px);
	max-width: 680px;
}

/* ── Fields grid ────────────────────────────────────── */
.mwc-fields-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
	gap: 16px;
	margin-bottom: 20px;
}

/* ── Field group ────────────────────────────────────── */
.mwc-field-group {
	display: flex;
	flex-direction: column;
	gap: 6px;
}

.mwc-label {
	font-size: 13px;
	font-weight: 600;
	color: #374151;
	display: flex;
	align-items: center;
	gap: 4px;
}

.mwc-required-star {
	color: #ef4444;
	font-size: 14px;
	line-height: 1;
}

.mwc-field-desc {
	margin: 0;
	font-size: 12px;
	color: #6b7280;
	line-height: 1.4;
}

/* ── Input ──────────────────────────────────────────── */
.mwc-input {
	width: var(--mwc-field-width, 100%);
	padding: var(--mwc-field-padding, 12px);
	font-size: 15px;
	font-family: inherit;
	color: var(--mwc-field-color, #374151);
	background: var(--mwc-field-bg, #ffffff);
	border: 1.5px solid var(--mwc-field-border, #d1d5db);
	border-radius: var(--mwc-radius, 8px);
	outline: none;
	transition: border-color .18s ease, box-shadow .18s ease;
	appearance: none;
	-moz-appearance: textfield;
}

.mwc-input::-webkit-outer-spin-button,
.mwc-input::-webkit-inner-spin-button {
	-webkit-appearance: none;
	margin: 0;
}

.mwc-input:focus {
	border-color: var(--mwc-btn-bg, #2563eb);
	box-shadow: 0 0 0 3px rgba(37,99,235,.15);
}

.mwc-input.mwc-input--error {
	border-color: #ef4444;
	box-shadow: 0 0 0 3px rgba(239,68,68,.12);
}

/* ── Field error ────────────────────────────────────── */
.mwc-field-error {
	font-size: 12px;
	color: #ef4444;
	min-height: 16px;
	display: block;
}

/* ── Actions row ────────────────────────────────────── */
.mwc-actions {
	display: flex;
	justify-content: flex-start;
	margin-bottom: 20px;
}

/* ── Calculate button ───────────────────────────────── */
.mwc-calculate-btn {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 12px 28px;
	font-size: 15px;
	font-weight: 600;
	font-family: inherit;
	color: var(--mwc-btn-color, #ffffff);
	background: var(--mwc-btn-bg, #2563eb);
	border: none;
	border-radius: var(--mwc-radius, 8px);
	cursor: pointer;
	transition: background .18s ease, transform .1s ease;
	position: relative;
	overflow: hidden;
}

.mwc-calculate-btn:hover {
	background: var(--mwc-btn-hover-bg, #1d4ed8);
}

.mwc-calculate-btn:active {
	transform: scale(.98);
}

.mwc-calculate-btn:disabled {
	opacity: .65;
	cursor: not-allowed;
}

/* Spinner */
.mwc-btn-spinner {
	display: none;
	width: 16px;
	height: 16px;
	border: 2px solid rgba(255,255,255,.4);
	border-top-color: #fff;
	border-radius: 50%;
	animation: mwc-spin .7s linear infinite;
	flex-shrink: 0;
}

.mwc-calculate-btn.mwc-calculating .mwc-btn-spinner {
	display: block;
}

.mwc-calculate-btn.mwc-calculating .mwc-btn-icon {
	display: none;
}

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

/* ── Result box ─────────────────────────────────────── */
.mwc-result-wrapper {
	animation: mwc-fadein .3s ease;
}

@keyframes mwc-fadein {
	from { opacity: 0; transform: translateY(6px); }
	to   { opacity: 1; transform: translateY(0); }
}

.mwc-result-box {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	padding: 16px 20px;
	background: var(--mwc-result-bg, #e8f4fd);
	border-radius: var(--mwc-radius, 8px);
	border-right: 4px solid var(--mwc-btn-bg, #2563eb);
}

.mwc-result-label {
	font-size: 14px;
	font-weight: 600;
	color: #64748b;
}

.mwc-result-value {
	font-size: var(--mwc-result-font-size, 24px);
	font-weight: var(--mwc-result-font-weight, bold);
	color: var(--mwc-result-color, #1a1a2e);
	direction: ltr;
}

/* ── Error box ──────────────────────────────────────── */
.mwc-error-box {
	padding: 12px 16px;
	background: #fef2f2;
	border: 1px solid #fecaca;
	border-radius: var(--mwc-radius, 8px);
	color: #dc2626;
	font-size: 14px;
}

/* ── Responsive ─────────────────────────────────────── */
@media (max-width: 480px) {
	.mwc-fields-grid {
		grid-template-columns: 1fr;
	}
	.mwc-calculator {
		padding: 16px;
	}
	.mwc-result-box {
		flex-direction: column;
		align-items: flex-start;
		gap: 8px;
	}
}

/* ── Reduced motion ─────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
	.mwc-calculator *,
	.mwc-calculate-btn {
		animation: none !important;
		transition: none !important;
	}
}