/* MD Facturatie — front-end klant portal
 * Clean, modern billing dashboard styling.
 * Uses CSS custom properties so themes can override the accent color.
 */
:root {
	--mdf-accent: #0077b6;
	--mdf-accent-dark: #005f8a;
	--mdf-bg: #f4f6f9;
	--mdf-card-bg: #ffffff;
	--mdf-text: #1f2d3d;
	--mdf-muted: #7a8a99;
	--mdf-border: #e4e9f0;
	--mdf-ok: #2ecc71;
	--mdf-ok-bg: #e7f9ef;
	--mdf-warn: #f39c12;
	--mdf-warn-bg: #fef5e7;
	--mdf-error: #e74c3c;
	--mdf-error-bg: #fdecea;
	--mdf-radius: 12px;
	--mdf-shadow: 0 2px 12px rgba(15, 35, 55, 0.06);
}

/* Notices */
.mdf-notice {
	background: var(--mdf-card-bg);
	border: 1px solid var(--mdf-border);
	border-left: 4px solid var(--mdf-accent);
	border-radius: 8px;
	padding: 14px 18px;
	margin: 0 0 20px;
	font-size: 14px;
	color: var(--mdf-text);
	box-shadow: var(--mdf-shadow);
}
.mdf-notice--error { border-left-color: var(--mdf-error); background: var(--mdf-error-bg); }
.mdf-notice--ok    { border-left-color: var(--mdf-ok);    background: var(--mdf-ok-bg); }
.mdf-notice--warn  { border-left-color: var(--mdf-warn);  background: var(--mdf-warn-bg); }

/* Tabs */
.mdf-tabs {
	display: flex;
	gap: 4px;
	margin: 0 0 24px;
	border-bottom: 2px solid var(--mdf-border);
}
.mdf-tab {
	padding: 12px 20px;
	font-size: 14px;
	font-weight: 600;
	color: var(--mdf-muted);
	text-decoration: none;
	border-bottom: 2px solid transparent;
	margin-bottom: -2px;
	transition: color .15s ease, border-color .15s ease;
}
.mdf-tab:hover { color: var(--mdf-accent); }
.mdf-tab--active {
	color: var(--mdf-accent);
	border-bottom-color: var(--mdf-accent);
}

/* Forms */
.mdf-form {
	background: var(--mdf-card-bg);
	border: 1px solid var(--mdf-border);
	border-radius: var(--mdf-radius);
	padding: 28px 30px;
	max-width: 460px;
	box-shadow: var(--mdf-shadow);
}
.mdf-form label {
	display: block;
	font-size: 13px;
	font-weight: 600;
	color: var(--mdf-text);
	margin-bottom: 14px;
}
.mdf-input {
	width: 100%;
	padding: 11px 14px;
	border: 1px solid var(--mdf-border);
	border-radius: 8px;
	font-size: 15px;
	color: var(--mdf-text);
	background: #fff;
	margin-top: 6px;
	transition: border-color .15s ease, box-shadow .15s ease;
	box-sizing: border-box;
}
.mdf-input:focus {
	outline: none;
	border-color: var(--mdf-accent);
	box-shadow: 0 0 0 3px rgba(0, 119, 182, 0.12);
}
.mdf-form p { margin: 0 0 16px; }
.mdf-form p:last-child { margin-bottom: 0; }

/* Buttons */
.mdf-btn {
	display: inline-block;
	padding: 10px 20px;
	font-size: 14px;
	font-weight: 600;
	border-radius: 8px;
	border: 1px solid transparent;
	cursor: pointer;
	text-decoration: none;
	line-height: 1.4;
	transition: background .15s ease, border-color .15s ease, color .15s ease;
}
.mdf-btn--primary {
	background: var(--mdf-accent);
	color: #fff;
}
.mdf-btn--primary:hover { background: var(--mdf-accent-dark); color: #fff; }
.mdf-btn--ghost {
	background: transparent;
	border-color: var(--mdf-border);
	color: var(--mdf-text);
}
.mdf-btn--ghost:hover { border-color: var(--mdf-accent); color: var(--mdf-accent); }
.mdf-btn--small {
	padding: 6px 12px;
	font-size: 12px;
	border-radius: 6px;
}
.mdf-btn--sm {
	padding: 5px 10px;
	font-size: 12px;
	border-radius: 6px;
}
.mdf-btn--danger {
	background: var(--mdf-error);
	border-color: var(--mdf-error);
	color: #fff;
}
.mdf-btn--danger:hover { opacity: 0.88; }
.mdf-row-actions {
	white-space: nowrap;
	display: flex;
	gap: 6px;
	align-items: center;
}
.mdf-row-actions form { display: inline; }

/* Billing dashboard shell */
.mdf-billing {
	max-width: 960px;
	margin: 0 auto;
	font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
	color: var(--mdf-text);
}
.mdf-billing__header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin: 0 0 28px;
	flex-wrap: wrap;
	gap: 12px;
}
.mdf-billing__title {
	font-size: 28px;
	font-weight: 800;
	margin: 0;
	letter-spacing: -0.5px;
}
.mdf-billing__subtitle {
	margin: 4px 0 0;
	font-size: 14px;
	color: var(--mdf-muted);
}

/* Stat cards */
.mdf-stats {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 18px;
	margin: 0 0 28px;
}
.mdf-stat-card {
	background: var(--mdf-card-bg);
	border: 1px solid var(--mdf-border);
	border-radius: var(--mdf-radius);
	padding: 24px 22px;
	box-shadow: var(--mdf-shadow);
	display: flex;
	flex-direction: column;
	gap: 8px;
	border-top: 3px solid var(--mdf-accent);
}
.mdf-stat-card--ok   { border-top-color: var(--mdf-ok); }
.mdf-stat-card--warn { border-top-color: var(--mdf-warn); }
.mdf-stat-num {
	font-size: 26px;
	font-weight: 800;
	color: var(--mdf-text);
	letter-spacing: -0.5px;
}
.mdf-stat-card--ok   .mdf-stat-num { color: var(--mdf-ok); }
.mdf-stat-card--warn .mdf-stat-num { color: var(--mdf-warn); }
.mdf-stat-label {
	font-size: 12px;
	text-transform: uppercase;
	letter-spacing: 0.6px;
	color: var(--mdf-muted);
	font-weight: 600;
}

/* Table */
.mdf-table-wrap {
	background: var(--mdf-card-bg);
	border: 1px solid var(--mdf-border);
	border-radius: var(--mdf-radius);
	box-shadow: var(--mdf-shadow);
	overflow: hidden;
}
.mdf-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 14px;
}
.mdf-table thead th {
	background: #f8fafc;
	color: var(--mdf-muted);
	font-size: 11px;
	text-transform: uppercase;
	letter-spacing: 0.6px;
	font-weight: 700;
	text-align: left;
	padding: 14px 18px;
	border-bottom: 1px solid var(--mdf-border);
}
.mdf-table thead th.mdf-num,
.mdf-table td.mdf-num { text-align: right; }
.mdf-table tbody td {
	padding: 14px 18px;
	border-bottom: 1px solid var(--mdf-border);
	vertical-align: middle;
}
.mdf-table tbody tr:last-child td { border-bottom: none; }
.mdf-table tbody tr:nth-child(even) { background: #fafbfd; }
.mdf-table a { color: var(--mdf-accent); text-decoration: none; font-weight: 600; }
.mdf-table a:hover { color: var(--mdf-accent-dark); }
.mdf-actions { white-space: nowrap; text-align: right; }

/* Status badges */
.mdf-status {
	display: inline-block;
	padding: 4px 12px;
	border-radius: 20px;
	font-size: 11px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.4px;
}
.mdf-status--draft   { background: #eef1f5; color: #636e72; }
.mdf-status--sent    { background: #d1ecf9; color: #0c6e9c; }
.mdf-status--paid    { background: var(--mdf-ok-bg); color: #1e7e45; }
.mdf-status--overdue { background: var(--mdf-error-bg); color: #b03a2e; }
.mdf-status--credit  { background: #fff8e1; color: #9a6800; }

/* Empty state */
.mdf-empty {
	padding: 40px 20px;
	text-align: center;
	color: var(--mdf-muted);
	font-size: 15px;
	margin: 0;
}

/* Responsive */
@media (max-width: 720px) {
	.mdf-stats { grid-template-columns: 1fr; }
	.mdf-table thead { display: none; }
	.mdf-table, .mdf-table tbody, .mdf-table tr, .mdf-table td { display: block; width: 100%; }
	.mdf-table tbody tr {
		border-bottom: 1px solid var(--mdf-border);
		padding: 10px 0;
	}
	.mdf-table tbody td {
		border: none;
		padding: 6px 18px;
		text-align: left;
	}
	.mdf-table td.mdf-num, .mdf-table td.mdf-actions { text-align: left; }
	.mdf-billing__title { font-size: 22px; }
}

/* Actions row */
.mdf-actions-row {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin: 0 0 24px;
}

/* Invoice detail card */
.mdf-invoice-card {
	background: var(--mdf-card-bg);
	border: 1px solid var(--mdf-border);
	border-radius: var(--mdf-radius);
	padding: 28px 30px;
	box-shadow: var(--mdf-shadow);
	margin-top: 8px;
}
.mdf-invoice-head {
	display: flex;
	justify-content: space-between;
	align-items: flex-start;
	padding-bottom: 20px;
	border-bottom: 2px solid var(--mdf-accent);
	margin-bottom: 24px;
}
.mdf-invoice-notes {
	background: #f8fafc;
	border-left: 4px solid var(--mdf-accent);
	padding: 12px 16px;
	margin-bottom: 20px;
	font-size: 13px;
	color: var(--mdf-muted);
	border-radius: 0 6px 6px 0;
}

/* Totals */
.mdf-totals-wrap {
	display: flex;
	justify-content: flex-end;
	margin-top: 20px;
}
.mdf-totals {
	width: 320px;
	font-size: 14px;
}
.mdf-totals-row {
	display: flex;
	justify-content: space-between;
	padding: 7px 0;
}
.mdf-totals-btw {
	font-size: 12px;
	color: var(--mdf-muted);
	padding-left: 12px;
}
.mdf-totals-grand {
	display: flex;
	justify-content: space-between;
	padding: 14px 0 0;
	margin-top: 6px;
	border-top: 2px solid var(--mdf-border);
	font-size: 18px;
	font-weight: 800;
}
.mdf-totals-grand span:last-child { color: var(--mdf-accent); }

/* Wide form + grid */
.mdf-form--wide {
	max-width: 820px;
}
.mdf-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 14px 18px;
}
.mdf-grid p { margin: 0; }

/* Line items table in form */
.mdf-lines-table input.mdf-input,
.mdf-lines-table select.mdf-input {
	margin-top: 0;
}
.mdf-lines-table .mdf-num { text-align: right; }
.mdf-line-total { font-weight: 700; color: var(--mdf-accent); white-space: nowrap; }
.mdf-remove-line {
	color: var(--mdf-error);
	text-decoration: none;
	font-weight: 700;
	display: inline-block;
	padding: 4px 8px;
}
.mdf-remove-line:hover { background: var(--mdf-error-bg); border-radius: 4px; }

@media (max-width: 720px) {
	.mdf-grid { grid-template-columns: 1fr; }
}