/* ── PPC Budget Calculator ─────────────────────────────────────────── */

:root {
	--ppc-accent:      #1a56db;
	--ppc-accent-dark: #1344b5;
	--ppc-bg:          #f8f9fb;
	--ppc-border:      #e2e8f0;
	--ppc-text:        #1a202c;
	--ppc-muted:       #64748b;
	--ppc-radius:      8px;
	--ppc-shadow:      0 1px 3px rgba(0,0,0,.08), 0 4px 16px rgba(0,0,0,.06);
}

.ppc-calc {
	font-family: inherit;
	color: var(--ppc-text);
	max-width: 860px;
	margin: 0 auto;
}

/* ── Panels ──────────────────────────────────────────────────────── */

.ppc-calc__panel {
	background: #fff;
	border: 1px solid var(--ppc-border);
	border-radius: var(--ppc-radius);
	box-shadow: var(--ppc-shadow);
	padding: 40px 44px;
}

.ppc-calc__panel--inputs {
	margin-bottom: 28px;
}

.ppc-calc__panel--results {
	display: none;
	animation: ppc-fadein .3s ease;
}

@keyframes ppc-fadein {
	from { opacity: 0; transform: translateY(8px); }
	to   { opacity: 1; transform: translateY(0);   }
}

/* ── Typography ──────────────────────────────────────────────────── */

.ppc-calc__heading {
	margin: 0 0 10px;
	font-size: 1.6rem;
	font-weight: 700;
	color: var(--ppc-text);
	line-height: 1.2;
}

.ppc-calc__intro {
	margin: 0 0 28px;
	color: var(--ppc-muted);
	font-size: .95rem;
	line-height: 1.6;
}

/* ── Fields ──────────────────────────────────────────────────────── */

.ppc-calc__field {
	margin-bottom: 18px;
}

.ppc-calc__field label {
	display: flex;
	align-items: center;
	gap: 6px;
	font-weight: 600;
	font-size: .9rem;
	margin-bottom: 7px;
	color: var(--ppc-text);
}

.ppc-calc__field input[type="number"],
.ppc-calc__field input[type="text"],
.ppc-calc__field input[type="email"] {
	width: 100%;
	padding: 11px 14px;
	border: 2px solid var(--ppc-border);
	border-radius: var(--ppc-radius);
	font-size: .95rem;
	font-family: inherit;
	color: var(--ppc-text);
	background: #fff;
	transition: border-color .15s ease, box-shadow .15s ease;
	box-sizing: border-box;
	-moz-appearance: textfield;
}

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

.ppc-calc__field input:focus {
	outline: none;
	border-color: var(--ppc-accent);
	box-shadow: 0 0 0 3px rgba(26,86,219,.15);
}

.ppc-calc__field input.ppc-input--error {
	border-color: #e53e3e;
}

/* ── Tooltip ─────────────────────────────────────────────────────── */

.ppc-tip {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	position: relative;
	width: 18px;
	height: 18px;
	border-radius: 50%;
	background: #cbd5e1;
	color: #fff;
	font-size: 11px;
	font-weight: 700;
	font-style: normal;
	cursor: help;
	flex-shrink: 0;
	line-height: 1;
}

.ppc-tip__text {
	position: absolute;
	bottom: calc(100% + 8px);
	left: 50%;
	transform: translateX(-50%);
	background: #1a202c;
	color: #fff;
	font-size: 12px;
	font-weight: 400;
	line-height: 1.5;
	padding: 8px 12px;
	border-radius: 6px;
	width: 220px;
	white-space: normal;
	pointer-events: none;
	opacity: 0;
	transition: opacity .15s ease;
	z-index: 10;
}

.ppc-tip__text::after {
	content: '';
	position: absolute;
	top: 100%;
	left: 50%;
	transform: translateX(-50%);
	border: 6px solid transparent;
	border-top-color: #1a202c;
}

.ppc-tip:hover .ppc-tip__text,
.ppc-tip:focus .ppc-tip__text {
	opacity: 1;
}

/* ── Error message ───────────────────────────────────────────────── */

.ppc-calc__error {
	display: none;
	margin: 12px 0 0;
	color: #e53e3e;
	font-size: .875rem;
	font-weight: 600;
}

/* ── Button ──────────────────────────────────────────────────────── */

.ppc-calc__btn {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 13px 26px;
	background: var(--ppc-accent);
	color: #fff;
	border: 2px solid var(--ppc-accent);
	border-radius: var(--ppc-radius);
	font-size: .95rem;
	font-weight: 600;
	font-family: inherit;
	cursor: pointer;
	text-decoration: none;
	transition: background .15s ease, border-color .15s ease, transform .1s ease;
	white-space: nowrap;
	margin-top: 8px;
}

.ppc-calc__btn:hover {
	background: var(--ppc-accent-dark);
	border-color: var(--ppc-accent-dark);
	color: #fff;
	text-decoration: none;
	transform: translateY(-1px);
}

.ppc-calc__btn:active {
	transform: translateY(0);
}

.ppc-calc__btn:disabled {
	opacity: .6;
	cursor: not-allowed;
	transform: none;
}

.ppc-calc__btn--outline {
	background: transparent;
	color: var(--ppc-accent);
}

.ppc-calc__btn--outline:hover {
	background: var(--ppc-accent);
	color: #fff;
}

/* ── Results grid ────────────────────────────────────────────────── */

.ppc-calc__grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 16px;
	margin: 28px 0;
}

@media (max-width: 620px) {
	.ppc-calc__grid {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (max-width: 400px) {
	.ppc-calc__grid {
		grid-template-columns: 1fr;
	}
}

.ppc-calc__card {
	background: var(--ppc-bg);
	border: 1px solid var(--ppc-border);
	border-radius: var(--ppc-radius);
	padding: 20px 16px;
	text-align: center;
}

.ppc-calc__card--highlight {
	background: var(--ppc-accent);
	border-color: var(--ppc-accent);
	color: #fff;
}

.ppc-calc__card-label {
	display: block;
	font-size: .7rem;
	text-transform: uppercase;
	letter-spacing: .07em;
	font-weight: 700;
	color: var(--ppc-muted);
	margin-bottom: 8px;
}

.ppc-calc__card--highlight .ppc-calc__card-label {
	color: rgba(255,255,255,.8);
}

.ppc-calc__card-value {
	display: block;
	font-size: 1.75rem;
	font-weight: 800;
	line-height: 1;
	color: var(--ppc-text);
}

.ppc-calc__card--highlight .ppc-calc__card-value {
	color: #fff;
}

.ppc-calc__card-suffix {
	display: block;
	font-size: .72rem;
	color: var(--ppc-muted);
	margin-top: 6px;
}

.ppc-calc__card--highlight .ppc-calc__card-suffix {
	color: rgba(255,255,255,.75);
}

/* ── Actions row ─────────────────────────────────────────────────── */

.ppc-calc__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	align-items: center;
	padding-top: 8px;
	border-top: 1px solid var(--ppc-border);
}

/* ── Responsive panel padding ────────────────────────────────────── */

@media (max-width: 540px) {
	.ppc-calc__panel {
		padding: 28px 20px;
	}
}

/* ── Modal ───────────────────────────────────────────────────────── */

.ppc-modal__msg {
	display: none;
}

.ppc-modal__overlay {
	display: none;
	position: fixed;
	inset: 0;
	background: rgba(0,0,0,.55);
	z-index: 9998;
	animation: ppc-fadein .2s ease;
}

.ppc-modal {
	display: none;
	position: fixed;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	background: #fff;
	border-radius: var(--ppc-radius);
	box-shadow: 0 20px 60px rgba(0,0,0,.25);
	padding: 44px;
	z-index: 9999;
	width: 90%;
	max-width: 460px;
	animation: ppc-fadein .2s ease;
}

.ppc-modal p {
	color: var(--ppc-muted);
	font-size: .9rem;
	margin: 0 0 20px;
}

.ppc-modal__close {
	position: absolute;
	top: 14px;
	right: 16px;
	background: none;
	border: none;
	font-size: 26px;
	line-height: 1;
	color: var(--ppc-muted);
	cursor: pointer;
	padding: 4px;
}

.ppc-modal__close:hover {
	color: var(--ppc-text);
}

.ppc-modal__msg {
	margin: 14px 0 0;
	padding: 10px 14px;
	border-radius: var(--ppc-radius);
	font-size: .875rem;
	font-weight: 600;
}

.ppc-modal__msg--success {
	background: #f0fff4;
	color: #276749;
	border: 1px solid #9ae6b4;
}

.ppc-modal__msg--error {
	background: #fff5f5;
	color: #c53030;
	border: 1px solid #feb2b2;
}