/* Protein Intake Calculator – clean, modern, responsive styles */

.pic-calculator {
	--pic-primary: #2563eb;
	--pic-primary-hover: #1d4ed8;
	--pic-bg: #f8fafc;
	--pic-card-bg: #ffffff;
	--pic-text: #0f172a;
	--pic-muted: #64748b;
	--pic-border: #e2e8f0;
	--pic-success-bg: #ecfdf5;
	--pic-success-text: #065f46;
	--pic-radius: 12px;
	--pic-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.05);

	font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	line-height: 1.5;
	color: var(--pic-text);
	max-width: 480px;
	margin: 1.5rem auto;
	box-sizing: border-box;
}

.pic-calculator *,
.pic-calculator *::before,
.pic-calculator *::after {
	box-sizing: border-box;
}

.pic-card {
	background: var(--pic-card-bg);
	border: 1px solid var(--pic-border);
	border-radius: var(--pic-radius);
	box-shadow: var(--pic-shadow);
	padding: 1.75rem 1.5rem;
}

.pic-title {
	margin: 0 0 0.35rem;
	font-size: 1.5rem;
	font-weight: 700;
	letter-spacing: -0.02em;
	color: var(--pic-text);
}

.pic-subtitle {
	margin: 0 0 1.5rem;
	font-size: 0.95rem;
	color: var(--pic-muted);
}

.pic-form {
	display: flex;
	flex-direction: column;
	gap: 1.25rem;
}

.pic-field {
	display: flex;
	flex-direction: column;
	gap: 0.4rem;
}

.pic-label {
	font-size: 0.875rem;
	font-weight: 600;
	color: var(--pic-text);
}

.pic-weight-row {
	display: flex;
	gap: 0.5rem;
	align-items: stretch;
}

/* Equal 50/50 width for weight input and unit select */
.pic-weight-row .pic-input,
.pic-weight-row .pic-select {
	flex: 1 1 0;
	min-width: 0;
	width: 50%;
}

.pic-input {
	padding: 0.7rem 0.9rem;
	font-size: 1rem;
	border: 1px solid var(--pic-border);
	border-radius: 8px;
	background: #fff;
	color: var(--pic-text);
	transition: border-color 0.15s, box-shadow 0.15s;
}

.pic-input:focus {
	outline: none;
	border-color: var(--pic-primary);
	box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.pic-input::placeholder {
	color: #94a3b8;
}

.pic-select {
	padding: 0.7rem 0.9rem;
	font-size: 1rem;
	border: 1px solid var(--pic-border);
	border-radius: 8px;
	background: #fff;
	color: var(--pic-text);
	cursor: pointer;
	transition: border-color 0.15s, box-shadow 0.15s;
	appearance: none;
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M2.5 4.5L6 8l3.5-3.5'/%3E%3C/svg%3E");
	background-repeat: no-repeat;
	background-position: right 0.75rem center;
	padding-right: 2rem;
}

.pic-select:focus {
	outline: none;
	border-color: var(--pic-primary);
	box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.pic-select-full {
	width: 100%;
}

.pic-activity-hints {
	margin: 0.35rem 0 0;
	padding-left: 1.1rem;
	font-size: 0.8rem;
	color: var(--pic-muted);
	line-height: 1.45;
}

.pic-activity-hints li {
	margin-bottom: 0.15rem;
}

.pic-activity-hints strong {
	color: #475569;
}

.pic-button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 100%;
	padding: 0.85rem 1.25rem;
	margin-top: 0.25rem;
	font-size: 1rem;
	font-weight: 600;
	color: #fff;
	background: var(--pic-primary);
	border: none;
	border-radius: 8px;
	cursor: pointer;
	transition: background 0.15s, transform 0.1s;
}

.pic-button:hover {
	background: var(--pic-primary-hover);
}

.pic-button:active {
	transform: scale(0.98);
}

.pic-button:focus-visible {
	outline: none;
	box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.35);
}

.pic-result {
	margin-top: 1.5rem;
	animation: pic-fade-in 0.3s ease;
}

.pic-result[hidden] {
	display: none;
}

.pic-result-inner {
	background: var(--pic-success-bg);
	border: 1px solid #a7f3d0;
	border-radius: 10px;
	padding: 1.25rem 1rem;
	text-align: center;
}

.pic-result-label {
	margin: 0 0 0.25rem;
	font-size: 0.875rem;
	font-weight: 500;
	color: var(--pic-success-text);
}

.pic-result-value {
	margin: 0;
	font-size: 2.5rem;
	font-weight: 800;
	letter-spacing: -0.03em;
	color: var(--pic-success-text);
	line-height: 1.1;
}

.pic-unit-label {
	font-size: 1.35rem;
	font-weight: 600;
}

.pic-result-detail {
	margin: 0.5rem 0 0;
	font-size: 0.85rem;
	color: #047857;
}

.pic-disclaimer {
	margin: 1.25rem 0 0;
	font-size: 0.75rem;
	color: var(--pic-muted);
	line-height: 1.45;
	text-align: center;
}

@keyframes pic-fade-in {
	from {
		opacity: 0;
		transform: translateY(6px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

/* Responsive tweaks */
@media (max-width: 420px) {
	.pic-card {
		padding: 1.35rem 1.1rem;
	}

	.pic-title {
		font-size: 1.3rem;
	}

	.pic-result-value {
		font-size: 2.1rem;
	}

	/* Slightly tighter padding on very small screens so text stays readable */
	.pic-weight-row .pic-input,
	.pic-weight-row .pic-select {
		padding-left: 0.65rem;
		padding-right: 0.65rem;
		font-size: 0.95rem;
	}

	.pic-weight-row .pic-select {
		padding-right: 1.75rem; /* keep room for the dropdown arrow */
		background-position: right 0.55rem center;
	}
}