/* =========================================================
   Retirement Calculator Pro — style.css
   Design: Fintech / SaaS — blue-green palette
   ========================================================= */

/* ---- Tokens -------------------------------------------- */
.rcp-wrap {
	--rcp-blue:        #2563EB;
	--rcp-blue-light:  #3B82F6;
	--rcp-blue-pale:   #EFF6FF;
	--rcp-green:       #059669;
	--rcp-green-light: #10B981;
	--rcp-green-pale:  #ECFDF5;
	--rcp-amber:       #D97706;
	--rcp-amber-pale:  #FFFBEB;
	--rcp-slate-900:   #0F172A;
	--rcp-slate-700:   #334155;
	--rcp-slate-500:   #64748B;
	--rcp-slate-300:   #CBD5E1;
	--rcp-slate-100:   #F1F5F9;
	--rcp-slate-50:    #F8FAFC;
	--rcp-white:       #FFFFFF;
	--rcp-radius:      14px;
	--rcp-radius-sm:   8px;
	--rcp-shadow:      0 1px 3px rgba(15,23,42,.06), 0 4px 16px rgba(15,23,42,.08);
	--rcp-shadow-lg:   0 2px 8px rgba(15,23,42,.08), 0 16px 48px rgba(15,23,42,.12);
	--rcp-transition:  0.25s cubic-bezier(.4,0,.2,1);
}

/* ---- Reset / Base -------------------------------------- */
.rcp-wrap *,
.rcp-wrap *::before,
.rcp-wrap *::after {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

.rcp-wrap {
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
	font-size: 15px;
	line-height: 1.5;
	color: var(--rcp-slate-700);
	max-width: 860px;
	margin: 0 auto;
	padding: 0 0 48px;
}

/* ---- Header -------------------------------------------- */
.rcp-header {
	display: flex;
	align-items: center;
	gap: 16px;
	padding: 32px 0 24px;
}

.rcp-header-icon {
	flex-shrink: 0;
	width: 52px;
	height: 52px;
	border-radius: 14px;
	background: linear-gradient(135deg, var(--rcp-blue) 0%, var(--rcp-green-light) 100%);
	display: flex;
	align-items: center;
	justify-content: center;
	box-shadow: 0 4px 14px rgba(37,99,235,.30);
}

.rcp-title {
	font-size: 1.5rem;
	font-weight: 700;
	color: var(--rcp-slate-900);
	letter-spacing: -.02em;
	line-height: 1.2;
}

.rcp-subtitle {
	font-size: .875rem;
	color: var(--rcp-slate-500);
	margin-top: 2px;
}

/* ---- Card ---------------------------------------------- */
.rcp-card {
	background: var(--rcp-white);
	border: 1px solid var(--rcp-slate-300);
	border-radius: var(--rcp-radius);
	padding: 28px;
	box-shadow: var(--rcp-shadow);
}

/* ---- Input Grid ---------------------------------------- */
.rcp-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
	gap: 22px 28px;
}

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

.rcp-label {
	font-size: .8125rem;
	font-weight: 600;
	color: var(--rcp-slate-700);
	letter-spacing: .01em;
	display: flex;
	align-items: center;
	gap: 6px;
	user-select: none;
}

.rcp-hint {
	font-size: .75rem;
	color: var(--rcp-slate-500);
}

/* ---- Input Wrap ---------------------------------------- */
.rcp-input-wrap {
	position: relative;
	display: flex;
	align-items: center;
}

.rcp-prefix,
.rcp-unit {
	position: absolute;
	font-size: .875rem;
	font-weight: 500;
	color: var(--rcp-slate-500);
	pointer-events: none;
	user-select: none;
}

.rcp-prefix { left: 12px; }
.rcp-unit   { right: 12px; }

.rcp-input {
	width: 100%;
	padding: 10px 40px 10px 14px;
	border: 1.5px solid var(--rcp-slate-300);
	border-radius: var(--rcp-radius-sm);
	font-size: .9375rem;
	font-weight: 500;
	color: var(--rcp-slate-900);
	background: var(--rcp-slate-50);
	outline: none;
	transition: border-color var(--rcp-transition), box-shadow var(--rcp-transition), background var(--rcp-transition);
	-moz-appearance: textfield;
	appearance: textfield;
}

.rcp-input::-webkit-outer-spin-button,
.rcp-input::-webkit-inner-spin-button {
	-webkit-appearance: none;
}

.rcp-input.rcp-has-prefix {
	padding-left: 26px;
}

.rcp-input:focus {
	border-color: var(--rcp-blue-light);
	background: var(--rcp-white);
	box-shadow: 0 0 0 3px rgba(59,130,246,.18);
}

.rcp-input.rcp-error-field {
	border-color: #EF4444;
	background: #FFF5F5;
}

/* ---- Inflation Toggle ---------------------------------- */
.rcp-inflation-wrap {
	gap: 8px;
}

.rcp-inflation-wrap .rcp-input {
	flex: 1;
}

.rcp-toggle-label {
	display: flex;
	align-items: center;
	cursor: pointer;
	flex-shrink: 0;
}

.rcp-toggle-label input[type="checkbox"] {
	position: absolute;
	opacity: 0;
	width: 0;
	height: 0;
}

.rcp-toggle-track {
	width: 40px;
	height: 22px;
	background: var(--rcp-slate-300);
	border-radius: 100px;
	position: relative;
	transition: background var(--rcp-transition);
	display: block;
}

.rcp-toggle-thumb {
	width: 16px;
	height: 16px;
	background: var(--rcp-white);
	border-radius: 50%;
	position: absolute;
	top: 3px;
	left: 3px;
	transition: transform var(--rcp-transition);
	box-shadow: 0 1px 3px rgba(0,0,0,.2);
}

.rcp-toggle-label input:checked + .rcp-toggle-track {
	background: var(--rcp-blue-light);
}

.rcp-toggle-label input:checked + .rcp-toggle-track .rcp-toggle-thumb {
	transform: translateX(18px);
}

.rcp-toggle-label input:focus-visible + .rcp-toggle-track {
	box-shadow: 0 0 0 3px rgba(59,130,246,.35);
}

/* ---- Tooltip ------------------------------------------- */
.rcp-tooltip {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 16px;
	height: 16px;
	border-radius: 50%;
	background: var(--rcp-slate-300);
	color: var(--rcp-slate-700);
	font-size: .6875rem;
	font-weight: 700;
	cursor: default;
	position: relative;
	line-height: 1;
}

.rcp-tooltip::after {
	content: attr(data-tip);
	position: absolute;
	bottom: calc(100% + 6px);
	left: 50%;
	transform: translateX(-50%) scale(.95);
	background: var(--rcp-slate-900);
	color: var(--rcp-white);
	font-size: .75rem;
	font-weight: 400;
	white-space: nowrap;
	padding: 5px 10px;
	border-radius: 6px;
	pointer-events: none;
	opacity: 0;
	transition: opacity .15s ease, transform .15s ease;
	z-index: 10;
	max-width: 220px;
	white-space: normal;
	text-align: center;
	width: max-content;
}

.rcp-tooltip:hover::after {
	opacity: 1;
	transform: translateX(-50%) scale(1);
}

/* ---- Actions ------------------------------------------- */
.rcp-actions {
	display: flex;
	align-items: center;
	gap: 12px;
	margin-top: 28px;
	padding-top: 24px;
	border-top: 1px solid var(--rcp-slate-100);
}

.rcp-btn {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 11px 24px;
	border-radius: var(--rcp-radius-sm);
	font-size: .9375rem;
	font-weight: 600;
	cursor: pointer;
	border: none;
	transition: background var(--rcp-transition), box-shadow var(--rcp-transition), transform .1s ease, opacity var(--rcp-transition);
	letter-spacing: .01em;
	line-height: 1;
}

.rcp-btn:active {
	transform: translateY(1px);
}

.rcp-btn-primary {
	background: linear-gradient(135deg, var(--rcp-blue) 0%, var(--rcp-blue-light) 100%);
	color: var(--rcp-white);
	box-shadow: 0 2px 8px rgba(37,99,235,.30);
}

.rcp-btn-primary:hover {
	box-shadow: 0 4px 16px rgba(37,99,235,.40);
}

.rcp-btn-ghost {
	background: var(--rcp-slate-100);
	color: var(--rcp-slate-700);
}

.rcp-btn-ghost:hover {
	background: var(--rcp-slate-300);
}

.rcp-btn-icon {
	flex-shrink: 0;
}

/* ---- Error --------------------------------------------- */
.rcp-error {
	margin-top: 12px;
	padding: 12px 16px;
	background: #FEF2F2;
	border: 1px solid #FECACA;
	border-radius: var(--rcp-radius-sm);
	color: #B91C1C;
	font-size: .875rem;
	font-weight: 500;
}

/* ---- Results ------------------------------------------- */
.rcp-results {
	margin-top: 28px;
}

.rcp-results-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
	gap: 16px;
	margin-bottom: 20px;
}

/* ---- Result Card --------------------------------------- */
.rcp-result-card {
	background: var(--rcp-white);
	border: 1px solid var(--rcp-slate-300);
	border-radius: var(--rcp-radius);
	padding: 20px 20px 18px;
	box-shadow: var(--rcp-shadow);
	position: relative;
	overflow: hidden;
	transition: transform .2s ease, box-shadow .2s ease;
}

.rcp-result-card:hover {
	transform: translateY(-2px);
	box-shadow: var(--rcp-shadow-lg);
}

.rcp-result-card::before {
	content: '';
	position: absolute;
	top: 0; left: 0; right: 0;
	height: 3px;
	background: var(--rcp-slate-300);
}

.rcp-result-primary {
	background: linear-gradient(135deg, var(--rcp-blue) 0%, #1D4ED8 100%);
	border-color: transparent;
	color: var(--rcp-white);
}

.rcp-result-primary::before {
	background: rgba(255,255,255,.25);
}

.rcp-result-primary .rcp-result-label,
.rcp-result-primary .rcp-result-sub {
	color: rgba(255,255,255,.8);
}

.rcp-result-primary .rcp-result-value {
	color: var(--rcp-white);
}

.rcp-result-card:not(.rcp-result-primary)::before {
	background: linear-gradient(90deg, var(--rcp-blue-light), var(--rcp-green-light));
}

.rcp-result-icon {
	width: 38px;
	height: 38px;
	border-radius: 10px;
	display: flex;
	align-items: center;
	justify-content: center;
	margin-bottom: 12px;
	background: rgba(255,255,255,.15);
	color: var(--rcp-white);
}

.rcp-result-card:not(.rcp-result-primary) .rcp-result-icon {
	background: var(--rcp-blue-pale);
	color: var(--rcp-blue);
}

.rcp-icon-blue { background: var(--rcp-blue-pale) !important; color: var(--rcp-blue) !important; }
.rcp-icon-green { background: var(--rcp-green-pale) !important; color: var(--rcp-green) !important; }
.rcp-icon-amber { background: var(--rcp-amber-pale) !important; color: var(--rcp-amber) !important; }

.rcp-result-label {
	font-size: .75rem;
	font-weight: 600;
	color: var(--rcp-slate-500);
	text-transform: uppercase;
	letter-spacing: .06em;
	margin-bottom: 4px;
}

.rcp-result-value {
	font-size: 1.5rem;
	font-weight: 700;
	color: var(--rcp-slate-900);
	letter-spacing: -.02em;
	line-height: 1.15;
	word-break: break-all;
}

.rcp-result-sub {
	font-size: .75rem;
	color: var(--rcp-slate-500);
	margin-top: 4px;
}

/* Inflation card disabled state */
.rcp-inflation-card.rcp-disabled {
	opacity: .45;
	pointer-events: none;
}

/* ---- Chart Card ---------------------------------------- */
.rcp-chart-card {
	padding: 24px 28px 20px;
}

.rcp-chart-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: 10px;
	margin-bottom: 20px;
}

.rcp-chart-title {
	font-size: .9375rem;
	font-weight: 600;
	color: var(--rcp-slate-900);
}

.rcp-chart-legend {
	display: flex;
	align-items: center;
	gap: 14px;
	font-size: .8125rem;
	color: var(--rcp-slate-500);
}

.rcp-legend-dot {
	display: inline-block;
	width: 10px;
	height: 10px;
	border-radius: 50%;
	margin-right: 4px;
}

.rcp-dot-blue  { background: var(--rcp-blue-light); }
.rcp-dot-green { background: var(--rcp-green-light); }

.rcp-chart-wrap {
	position: relative;
	width: 100%;
	height: 280px;
}

/* ---- Animations ---------------------------------------- */
@keyframes rcp-fade-slide-up {
	from { opacity: 0; transform: translateY(12px); }
	to   { opacity: 1; transform: translateY(0); }
}

.rcp-animate {
	animation: rcp-fade-slide-up .35s cubic-bezier(.4,0,.2,1) both;
}

.rcp-results-grid .rcp-result-card:nth-child(1) { animation-delay: .00s; }
.rcp-results-grid .rcp-result-card:nth-child(2) { animation-delay: .06s; }
.rcp-results-grid .rcp-result-card:nth-child(3) { animation-delay: .12s; }
.rcp-results-grid .rcp-result-card:nth-child(4) { animation-delay: .18s; }

/* counter animation */
@keyframes rcp-count {
	from { opacity: .4; }
	to   { opacity: 1; }
}

.rcp-counting { animation: rcp-count .4s ease; }

/* ---- Responsive ---------------------------------------- */
@media (max-width: 600px) {
	.rcp-card { padding: 20px 16px; }
	.rcp-grid { grid-template-columns: 1fr 1fr; gap: 16px 14px; }
	.rcp-header { padding: 20px 0 16px; }
	.rcp-title { font-size: 1.25rem; }
	.rcp-results-grid { grid-template-columns: 1fr 1fr; }
	.rcp-result-value { font-size: 1.2rem; }
	.rcp-chart-wrap { height: 220px; }
}

@media (max-width: 380px) {
	.rcp-grid { grid-template-columns: 1fr; }
	.rcp-results-grid { grid-template-columns: 1fr; }
}

/* ---- Reduced motion ------------------------------------ */
@media (prefers-reduced-motion: reduce) {
	.rcp-animate { animation: none; }
	.rcp-counting { animation: none; }
}