/*_______________________________________________________________________________________________________________
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 * |                                                                                                             |
 * |                                 (C) 2021- mamepin.com - ALL RIGHTS RESERVED                                 |
 * |                                         Unauthorized use prohibited                                         |
 * |_____________________________________________________________________________________________________________|
 */

:root {
	--tnm-bill-splitter-primary-color: #4a90e2;
	--tnm-bill-splitter-bg-color: #f8f9fa;
	--tnm-bill-splitter-border-color: #dee2e6;
	--tnm-bill-splitter-text-color: #333;
	--tnm-bill-splitter-soft-accent: #eef6ff;
}

.tnm-tool-bill-splitter {
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	background-color: var(--tnm-bill-splitter-bg-color);
	color: var(--tnm-bill-splitter-text-color);
	max-width: 640px;
	margin: 24px auto;
	padding: 18px;
	line-height: 1.6;
}

.tnm-tool-bill-splitter,
.tnm-tool-bill-splitter * {
	box-sizing: border-box;
}

.tnm-tool-bill-splitter__title {
	text-align: center;
	font-size: 1.5rem;
	margin: 0 0 25px;
	color: var(--tnm-bill-splitter-primary-color);
}

.tnm-tool-bill-splitter__form {
	display: grid;
	gap: 20px;
}

.tnm-tool-bill-splitter__form-topbar {
	display: flex;
	justify-content: flex-end;
	margin-top: -10px;
	margin-bottom: -20px;
}

.tnm-tool-bill-splitter__fieldset {
	border: 1px solid var(--tnm-bill-splitter-border-color);
	border-radius: 12px;
	background-color: #fff;
	margin: 0;
	padding: 15px 18px;
	box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.tnm-tool-bill-splitter__fieldset legend {
	font-weight: 700;
	padding: 0 10px;
	font-size: 0.9rem;
	color: #666;
}

.tnm-tool-bill-splitter__row {
	margin-bottom: 18px;
	display: flex;
	align-items: center;
	white-space: nowrap;
	gap: 6px;
}

.tnm-tool-bill-splitter__row:last-child {
	margin-bottom: 0;
}

.tnm-tool-bill-splitter__main-label {
	width: 70px;
	font-weight: 600;
	font-size: 0.9rem;
	flex-shrink: 0;
}

.tnm-tool-bill-splitter__label-wrap {
	position: relative;
	display: flex;
	align-items: center;
	gap: 8px;
	width: 92px;
	flex-shrink: 0;
	white-space: normal;
	line-height: 1.3;
}

.tnm-tool-bill-splitter__label-wrap .tnm-tool-bill-splitter__main-label {
	width: auto;
	margin: 0;
}

.tnm-tool-bill-splitter__help-toggle {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 22px;
	height: 22px;
	padding: 0;
	border: 0;
	border-radius: 999px;
	background: var(--tnm-bill-splitter-soft-accent);
	color: var(--tnm-bill-splitter-primary-color);
	font-size: 0.85rem;
	font-weight: 700;
	cursor: pointer;
	box-shadow: inset 0 0 0 1px rgba(74, 144, 226, 0.18);
}

.tnm-tool-bill-splitter__help-popover {
	position: absolute;
	top: calc(100% + 10px);
	left: 0;
	width: min(280px, calc(100vw - 72px));
	padding: 12px 14px;
	border-radius: 12px;
	background: #1f3b57;
	color: #fff;
	font-size: 0.78rem;
	box-shadow: 0 14px 28px rgba(18, 40, 64, 0.22);
	z-index: 20;
}

.tnm-tool-bill-splitter__help-popover::before {
	content: "";
	position: absolute;
	top: -6px;
	left: 18px;
	width: 12px;
	height: 12px;
	background: #1f3b57;
	transform: rotate(45deg);
}

.tnm-tool-bill-splitter input[type="number"],
.tnm-tool-bill-splitter select {
	border: 1px solid var(--tnm-bill-splitter-border-color);
	border-radius: 6px;
	padding: 8px 5px;
	font-size: 0.95rem;
	outline: none;
	background: #fff;
}

.tnm-tool-bill-splitter__input--people {
	width: 45px;
	text-align: center;
	flex-shrink: 0;
}

.tnm-tool-bill-splitter__input--value {
	width: 75px;
	flex-shrink: 0;
}

.tnm-tool-bill-splitter__select--mode {
	width: 62px;
	padding: 6px 2px;
	font-size: 0.85rem;
	flex-shrink: 0;
}

.tnm-tool-bill-splitter__select--unit {
	width: 110px;
	flex-shrink: 0;
}

.tnm-tool-bill-splitter__unit-text {
	font-size: 0.8rem;
	color: #777;
	width: 18px;
	flex-shrink: 0;
}

.tnm-tool-bill-splitter__static-note {
	font-size: 0.75rem;
	color: #999;
	margin-left: 5px;
}

.tnm-tool-bill-splitter__button-wrap {
	margin-top: 30px;
	display: grid;
	gap: 10px;
}

.tnm-tool-bill-splitter__button--reset {
	width: fit-content;
	padding: 8px 12px;
	font-size: 0.82rem;
	line-height: 1.2;
	border-radius: 999px;
	align-self: flex-end;
	white-space: nowrap;
}

.tnm-tool-bill-splitter__button {
	width: 100%;
	padding: 16px;
	font-size: 1.1rem;
	font-weight: 700;
	cursor: pointer;
	background-color: var(--tnm-bill-splitter-primary-color);
	color: #fff;
	border: 0;
	border-radius: 12px;
	box-shadow: 0 4px 0 #357abd;
	transition: all 0.1s;
}

.tnm-tool-bill-splitter__button.tnm-tool-bill-splitter__button--reset {
	width: auto;
	flex: 0 0 auto;
}

.tnm-tool-bill-splitter__button--secondary {
	background-color: #fff;
	color: #4d6075;
	border: 1px solid #cfd8e3;
	box-shadow: none;
}

.tnm-tool-bill-splitter__button:active {
	transform: translateY(2px);
	box-shadow: 0 2px 0 #357abd;
}

.tnm-tool-bill-splitter__button--secondary:active {
	box-shadow: none;
	border-color: #b9c6d4;
}

.tnm-tool-bill-splitter__dialog {
	position: fixed;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 20px;
	z-index: 9999;
}

.tnm-tool-bill-splitter__dialog[hidden] {
	display: none;
}

.tnm-tool-bill-splitter__dialog-backdrop {
	position: absolute;
	inset: 0;
	background: rgba(31, 59, 87, 0.32);
}

.tnm-tool-bill-splitter__dialog-panel {
	position: relative;
	width: min(420px, 100%);
	padding: 24px;
	border-radius: 16px;
	background: #fff;
	box-shadow: 0 18px 40px rgba(31, 59, 87, 0.18);
	border: 1px solid #d8e4f2;
	text-align: center;
	margin: 0 auto;
}

.tnm-tool-bill-splitter__dialog-message {
	margin: 0;
	font-size: 0.98rem;
	line-height: 1.7;
	color: #243b53;
}

.tnm-tool-bill-splitter__dialog-actions {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 10px;
	margin-top: 20px;
}

.tnm-tool-bill-splitter__button--dialog-secondary,
.tnm-tool-bill-splitter__button--dialog-primary {
	padding: 12px 14px;
	font-size: 0.95rem;
	box-shadow: none;
}

.tnm-tool-bill-splitter__button--dialog-primary:active {
	box-shadow: none;
}

.tnm-tool-bill-splitter__result {
	background-color: #fff;
	border: 2px solid var(--tnm-bill-splitter-primary-color);
	border-radius: 12px;
	padding: 20px;
	margin-top: 25px;
	box-shadow: 0 4px 15px rgba(74, 144, 226, 0.15);
}

.tnm-tool-bill-splitter__result[hidden] {
	display: none;
}

.tnm-tool-bill-splitter__result-title {
	margin: 0 0 10px;
}

.tnm-tool-bill-splitter__result-item {
	display: flex;
	justify-content: space-between;
	padding: 10px 0;
	border-bottom: 1px solid #f0f0f0;
	font-size: 0.95rem;
	gap: 12px;
}

.tnm-tool-bill-splitter__result-value {
	display: flex;
	flex-direction: column;
	align-items: flex-end;
	gap: 2px;
	font-weight: 600;
	font-size: 1.2rem;
	text-align: right;
}

.tnm-tool-bill-splitter__result-primary {
	display: block;
}

.tnm-tool-bill-splitter__result-subtotal {
	display: none;
}

.tnm-tool-bill-splitter--desktop .tnm-tool-bill-splitter__result-subtotal {
	display: block;
	font-size: 0.78rem;
	font-weight: 400;
	color: #8b97a5;
}

.tnm-tool-bill-splitter__result-total {
	margin-top: 15px;
	font-size: 1.1rem;
	font-weight: 700;
	text-align: right;
	color: #444;
}

.tnm-tool-bill-splitter__notice {
	color: #d0021b;
	font-size: 0.95rem;
	font-weight: 700;
	text-align: right;
	margin-top: 8px;
	padding: 8px;
	background-color: #fff5f5;
	border-radius: 6px;
}

.tnm-tool-bill-splitter__notice--surplus {
	color: #4a90e2;
	background-color: #f0f7ff;
}

.tnm-tool-bill-splitter__notice--advice {
	margin-top: 10px;
	font-size: 0.88rem;
	font-weight: 500;
	text-align: left;
	color: #6a5500;
	background: #fff9e6;
	border-left: 4px solid #f1c40f;
}

.tnm-tool-bill-splitter__guide {
	margin-top: 50px;
	padding: 20px;
	background: #fff;
	border-radius: 12px;
	border: 1px solid var(--tnm-bill-splitter-border-color);
	font-size: 0.9rem;
	color: #555;
}

.tnm-tool-bill-splitter__guide-title {
	font-size: 1.1rem;
	color: var(--tnm-bill-splitter-primary-color);
	border-left: 4px solid var(--tnm-bill-splitter-primary-color);
	padding-left: 10px;
	margin: 0 0 15px;
}

.tnm-tool-bill-splitter__guide-subtitle {
	font-size: 1rem;
	color: #333;
	margin: 20px 0 10px;
}

.tnm-tool-bill-splitter__scene-grid {
	display: grid;
	gap: 14px;
	margin-top: 14px;
}

.tnm-tool-bill-splitter__scene-card {
	padding: 18px;
	border: 1px solid #d8e4f2;
	border-radius: 16px;
	background: linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
	box-shadow: 0 8px 20px rgba(31, 59, 87, 0.06);
}

.tnm-tool-bill-splitter__scene-index {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 42px;
	height: 28px;
	padding: 0 10px;
	border-radius: 999px;
	background: var(--tnm-bill-splitter-soft-accent);
	color: var(--tnm-bill-splitter-primary-color);
	font-size: 0.78rem;
	font-weight: 700;
	letter-spacing: 0.08em;
}

.tnm-tool-bill-splitter__scene-title {
	margin: 12px 0 8px;
	font-size: 1rem;
	color: #243b53;
}

.tnm-tool-bill-splitter__scene-description {
	margin: 0;
	color: #52606d;
}

.tnm-tool-bill-splitter__guide-steps {
	padding-left: 20px;
}

.tnm-tool-bill-splitter__guide-steps li {
	margin-bottom: 8px;
}

.tnm-tool-bill-splitter__guide-steps--compact {
	margin: 0;
}

.tnm-tool-bill-splitter__guide-list {
	margin: 12px 0 0;
	padding-left: 20px;
}

.tnm-tool-bill-splitter__guide-list li {
	margin-bottom: 8px;
}

.tnm-tool-bill-splitter__guide-list--compact {
	margin-top: 0;
}

.tnm-tool-bill-splitter__example-box {
	margin-top: 12px;
	padding: 18px;
	background: linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
	border: 1px solid #d8e4f2;
	border-radius: 16px;
	box-shadow: 0 8px 20px rgba(31, 59, 87, 0.06);
	color: #52606d;
}

.tnm-tool-bill-splitter__example-intro {
	margin: 0 0 12px;
	color: #243b53;
	font-weight: 600;
}

.tnm-tool-bill-splitter__example-label {
	margin: 14px 0 8px;
	color: #243b53;
	font-weight: 700;
}

.tnm-tool-bill-splitter__example-result {
	margin: 14px 0 0;
	padding: 12px 14px;
	background: #eef6ff;
	border-radius: 12px;
	color: #1f3b57;
	font-weight: 600;
}

.tnm-tool-bill-splitter__info-box {
	margin-top: 20px;
	padding: 15px;
	background-color: #fff9e6;
	border-left: 4px solid #f1c40f;
	border-radius: 4px;
	color: #665c33;
}

@media (min-width: 768px) {
	.tnm-tool-bill-splitter {
		max-width: 720px;
		margin: 36px auto;
		padding: 28px 30px 34px;
	}

	.tnm-tool-bill-splitter__title {
		margin-bottom: 30px;
		font-size: 1.75rem;
	}

	.tnm-tool-bill-splitter__fieldset {
		padding: 20px 24px 22px;
	}

	.tnm-tool-bill-splitter__button--reset {
		padding: 9px 14px;
		font-size: 0.85rem;
	}

	.tnm-tool-bill-splitter__row {
		gap: 10px;
		margin-bottom: 20px;
	}

	.tnm-tool-bill-splitter__main-label,
	.tnm-tool-bill-splitter__label-wrap {
		width: 116px;
	}

	.tnm-tool-bill-splitter__input--people {
		width: 58px;
	}

	.tnm-tool-bill-splitter__input--value {
		width: 96px;
	}

	.tnm-tool-bill-splitter__select--mode {
		width: 70px;
	}

	.tnm-tool-bill-splitter__select--unit {
		width: 132px;
	}

	.tnm-tool-bill-splitter__button-wrap {
		margin-top: 10px;
		grid-template-columns: minmax(0, 1fr);
	}

	.tnm-tool-bill-splitter__guide {
		margin-top: 56px;
		padding: 26px;
	}

	.tnm-tool-bill-splitter__scene-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		gap: 18px;
	}

	.tnm-tool-bill-splitter__help-popover {
		width: 320px;
	}

	.tnm-tool-bill-splitter__result-primary {
		font-size: 1.2rem;
		line-height: 1.35;
	}

}

@media (max-width: 365px) {
	.tnm-tool-bill-splitter__fieldset {
		padding: 12px;
	}

	.tnm-tool-bill-splitter__main-label {
		width: 62px;
		font-size: 0.85rem;
	}

	.tnm-tool-bill-splitter__input--value {
		width: 68px;
	}

	.tnm-tool-bill-splitter__row {
		gap: 4px;
	}

	.tnm-tool-bill-splitter__label-wrap {
		width: 84px;
		gap: 6px;
	}

	.tnm-tool-bill-splitter__button--reset {
		padding: 7px 10px;
		font-size: 0.76rem;
	}

	.tnm-tool-bill-splitter__help-popover {
		width: min(240px, calc(100vw - 48px));
		left: -6px;
	}

	.tnm-tool-bill-splitter__dialog-panel {
		padding: 20px 16px;
	}

	.tnm-tool-bill-splitter__dialog-actions {
		grid-template-columns: 1fr;
	}
}