:root {
    color-scheme: light;
    --bg: #f5f7f4;
    --surface: #ffffff;
    --surface-muted: #eef4f0;
    --text: #18231d;
    --muted: #64746b;
    --line: #dce6df;
    --brand: #1f6f50;
    --brand-dark: #164d38;
    --brand-soft: #e5f1eb;
    --warning: #a94712;
    --danger: #a52a20;
    --success: #167243;
    --shadow: 0 18px 50px rgba(26, 42, 32, 0.08);
}

html,
body {
    min-height: 100%;
    margin: 0;
    font-family: Inter, "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
}

body {
    font-size: 0.98rem;
}

a {
    color: var(--brand);
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1,
h2,
h3 {
    color: var(--text);
    font-weight: 760;
    letter-spacing: -0.035em;
}

h1 {
    max-width: 58rem;
    font-size: clamp(2rem, 4vw, 4.2rem);
    line-height: 0.98;
    margin-bottom: 0.85rem;
}

h2 {
    font-size: clamp(1.35rem, 2.2vw, 2rem);
    line-height: 1.1;
}

h3 {
    font-size: 1.05rem;
}

button,
input {
    font: inherit;
}

input.form-control,
.form-control,
input[type="text"],
input[type="date"],
input[type="email"],
input[type="password"],
input[type="url"] {
    width: 100%;
    min-height: 2.85rem;
    border: 1px solid var(--line);
    border-radius: 0.85rem;
    padding: 0.7rem 0.85rem;
    color: var(--text);
    background: #fbfdfb;
    outline: none;
    transition: border-color 140ms ease, box-shadow 140ms ease, background-color 140ms ease;
}

input:focus,
.form-control:focus {
    border-color: var(--brand);
    box-shadow: 0 0 0 0.22rem rgba(31, 111, 80, 0.12);
    background: #ffffff;
}

label {
    display: grid;
    gap: 0.4rem;
    color: #3d4c43;
    font-size: 0.9rem;
    font-weight: 700;
}

.eyebrow {
    margin-bottom: 0.55rem;
    color: var(--brand);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.74rem;
    font-weight: 850;
}

.hero-panel,
.panel,
.page-header,
.metric-card,
.workflow-grid article {
    border: 1px solid var(--line);
    border-radius: 1.35rem;
    background: var(--surface);
    box-shadow: var(--shadow);
}

.hero-panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(18rem, 24rem);
    gap: 1.4rem;
    align-items: stretch;
    padding: clamp(1.35rem, 4vw, 2.5rem);
}

.hero-copy,
.page-header p,
.workflow-grid p,
.empty-state,
.receipt-card small {
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.4rem;
    flex-wrap: wrap;
}

.button-link,
.btn-primary {
    border: 0;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    min-height: 2.65rem;
    padding: 0.72rem 1.05rem;
    color: #ffffff;
    background: var(--brand);
    text-decoration: none;
    font-weight: 800;
    line-height: 1;
    box-shadow: 0 10px 26px rgba(31, 111, 80, 0.18);
    transition: transform 140ms ease, background-color 140ms ease, box-shadow 140ms ease;
}

.button-link:hover,
.btn-primary:hover {
    color: #ffffff;
    background: var(--brand-dark);
    transform: translateY(-1px);
}

.button-link.muted,
.button-link.compact,
.btn-link {
    color: var(--brand-dark);
    background: var(--brand-soft);
    border: 1px solid #cfe1d7;
    box-shadow: none;
}

.button-link.compact {
    min-height: 2.25rem;
    padding: 0.5rem 0.8rem;
}

.receipt-card {
    align-self: stretch;
    display: grid;
    align-content: center;
    gap: 0.45rem;
    padding: 1.4rem;
    border: 1px solid #cfe1d7;
    border-radius: 1.15rem;
    background: linear-gradient(180deg, #f7fbf8, var(--brand-soft));
}

.receipt-card strong {
    display: block;
    color: var(--text);
    font-size: 1.35rem;
}

.receipt-label {
    display: block;
    color: var(--brand-dark);
    text-transform: uppercase;
    font-size: 0.72rem;
    font-weight: 850;
    letter-spacing: 0.1em;
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.metric-card {
    padding: 1.1rem;
    box-shadow: none;
}

.metric-card span,
.data-table small {
    display: block;
    color: var(--muted);
    font-size: 0.84rem;
}

.metric-card strong {
    display: block;
    font-size: 2rem;
    line-height: 1;
    margin-top: 0.35rem;
}

.panel,
.page-header {
    padding: clamp(1.15rem, 3vw, 1.8rem);
    margin-bottom: 1rem;
}

.page-header.split,
.panel-heading {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.workflow-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.workflow-grid article {
    padding: 1.1rem;
    box-shadow: none;
}

.workflow-grid span {
    display: inline-grid;
    place-items: center;
    width: 2rem;
    height: 2rem;
    margin-bottom: 0.8rem;
    color: var(--brand-dark);
    background: var(--brand-soft);
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 850;
}

.form-grid {
    display: grid;
    grid-template-columns: minmax(13rem, 1fr) minmax(17rem, 1.4fr) auto;
    gap: 1rem;
    align-items: end;
}

.compare-grid {
    grid-template-columns: 13rem 13rem minmax(18rem, 1fr) auto;
}

.drop-zone {
    display: grid;
    place-items: center;
    gap: 0.55rem;
    min-height: 15rem;
    border: 1px dashed #97b8a7;
    border-radius: 1.25rem;
    background: #f8fbf9;
    text-align: center;
    cursor: pointer;
    transition: border-color 140ms ease, background-color 140ms ease;
}

.drop-zone:hover {
    border-color: var(--brand);
    background: var(--brand-soft);
}

.drop-zone input {
    max-width: 18rem;
}

.drop-kicker {
    border: 1px solid #bdd5c8;
    border-radius: 999px;
    padding: 0.32rem 0.7rem;
    color: var(--brand-dark);
    background: #ffffff;
    letter-spacing: 0.12em;
    font-size: 0.72rem;
    font-weight: 850;
}

.status-strip {
    margin-top: 1rem;
    border-radius: 1rem;
    padding: 1rem;
    border: 1px solid var(--line);
    background: #f8fbf9;
}

.status-strip.success,
.status-success {
    border-color: rgba(22, 114, 67, 0.35);
    color: var(--success);
}

.status-strip.warning,
.status-warning,
.warning-list {
    border-color: rgba(169, 71, 18, 0.35);
    color: var(--warning);
}

.status-strip.danger,
.status-error {
    border-color: rgba(165, 42, 32, 0.35);
    color: var(--danger);
}

.status-error,
.status-warning,
.status-success {
    font-weight: 800;
}

.bulk-results {
    margin-top: 1rem;
}

.table-wrap {
    overflow-x: auto;
    border: 1px solid var(--line);
    border-radius: 1.1rem;
    background: var(--surface);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 48rem;
}

.data-table th,
.data-table td {
    border-bottom: 1px solid var(--line);
    padding: 0.9rem 0.85rem;
    text-align: left;
    vertical-align: top;
}

.data-table tbody tr:hover {
    background: #f8fbf9;
}

.data-table tbody tr:last-child td {
    border-bottom: 0;
}

.data-table th {
    color: var(--muted);
    background: #f7faf8;
    font-size: 0.76rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    white-space: nowrap;
}

.sort-button {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    width: 100%;
    padding: 0;
    border: 0;
    color: inherit;
    background: transparent;
    text-align: left;
    text-transform: inherit;
    letter-spacing: inherit;
    font: inherit;
    font-weight: 850;
    cursor: pointer;
}

.sort-button:hover {
    color: var(--brand-dark);
}

.sort-indicator {
    width: 0.7rem;
    height: 0.7rem;
    position: relative;
    opacity: 0.38;
}

.sort-indicator::before,
.sort-indicator::after {
    content: "";
    position: absolute;
    left: 0.15rem;
    border-left: 0.22rem solid transparent;
    border-right: 0.22rem solid transparent;
}

.sort-indicator::before {
    top: 0;
    border-bottom: 0.28rem solid currentColor;
}

.sort-indicator::after {
    bottom: 0;
    border-top: 0.28rem solid currentColor;
}

.sort-button.active {
    color: var(--brand-dark);
}

.sort-button.active .sort-indicator {
    opacity: 1;
}

.sort-button.ascending .sort-indicator::after,
.sort-button.descending .sort-indicator::before {
    opacity: 0.2;
}

.data-table code {
    color: var(--brand-dark);
    font-family: "Cascadia Mono", Consolas, monospace;
    background: var(--brand-soft);
    border-radius: 0.45rem;
    padding: 0.14rem 0.38rem;
}

.inline-link {
    color: var(--brand);
    font-weight: 800;
    text-decoration: none;
}

.inline-link:hover {
    color: var(--brand-dark);
    text-decoration: underline;
}

.empty-state {
    padding: 2rem;
    border: 1px dashed #b8c9be;
    border-radius: 1.1rem;
    background: #f8fbf9;
}

.price-chart-shell {
    height: clamp(20rem, 38vw, 28rem);
    margin-top: 1rem;
    border: 1px solid var(--line);
    border-radius: 1.15rem;
    background:
        linear-gradient(180deg, rgba(229, 241, 235, 0.42), rgba(255, 255, 255, 0.9)),
        #ffffff;
    overflow: hidden;
}

.price-chart {
    display: block;
    width: 100%;
    height: 100%;
    color: var(--brand);
}

.price-chart text {
    user-select: none;
}

.chart-axis-label {
    fill: var(--muted);
    font-family: "Cascadia Mono", Consolas, monospace;
    font-size: 0.84rem;
}

.price-chart .chart-grid line {
    stroke: #d8e3dc;
    stroke-width: 2;
}

.chart-area {
    pointer-events: none;
}

.chart-line {
    fill: none;
    stroke: #f2a72b;
    stroke-width: 5;
    stroke-linecap: round;
    stroke-linejoin: round;
    pointer-events: none;
}

.chart-hover-zone {
    fill: transparent;
    cursor: crosshair;
    pointer-events: all;
}

.chart-hover-guide {
    stroke: rgba(31, 111, 80, 0.18);
    stroke-width: 2;
    stroke-dasharray: 5 5;
    pointer-events: none;
}

.chart-hover-guide.active {
    stroke: rgba(31, 111, 80, 0.5);
}

.chart-marker {
    fill: var(--brand);
    stroke: #ffffff;
    stroke-width: 4;
    cursor: crosshair;
    filter: drop-shadow(0 2px 5px rgba(24, 35, 29, 0.16));
}

.chart-marker.active,
.chart-marker:focus {
    fill: #124b35;
    stroke: #ffffff;
    stroke-width: 5;
    outline: none;
}

.chart-tooltip {
    pointer-events: none;
    filter: drop-shadow(0 12px 28px rgba(24, 35, 29, 0.22));
}

.chart-tooltip rect {
    fill: #18231d;
}

.chart-tooltip text {
    fill: #ffffff;
    font-family: Inter, "Segoe UI", system-ui, sans-serif;
}

.chart-tooltip-date,
.chart-tooltip-invoice {
    fill: #b9c8bf !important;
    font-size: 0.78rem;
    font-weight: 700;
}

.chart-tooltip-price {
    font-size: 1.08rem;
    font-weight: 850;
}

.chart-tooltip-invoice {
    text-anchor: start;
}

.delta-up {
    color: var(--warning);
    font-weight: 900;
}

.delta-down {
    color: var(--success);
    font-weight: 900;
}

.auth-card {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(18rem, 1.1fr);
    gap: 1.4rem;
    align-items: start;
    max-width: 58rem;
}

.auth-intro {
    display: grid;
    gap: 0.7rem;
}

.auth-form,
.auth-links,
.auth-side {
    display: grid;
    gap: 0.9rem;
}

.checkbox-inline {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.checkbox-inline input {
    width: auto;
    min-height: auto;
}

.auth-links {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--line);
}

.auth-side {
    margin-top: 1rem;
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: 1rem;
    background: #f8fbf9;
}

.validation-message,
.text-danger {
    color: var(--danger) !important;
}

.text-secondary {
    color: var(--muted) !important;
}

.blazor-error-boundary {
    background: #fff4f2;
    border: 1px solid #ffd4ce;
    border-radius: 1rem;
    padding: 1rem;
    color: var(--danger);
}

.blazor-error-boundary::after {
    content: "Er is iets misgegaan.";
}

@media (max-width: 1100px) {
    .hero-panel,
    .metric-grid,
    .workflow-grid,
    .form-grid,
    .compare-grid,
    .auth-card {
        grid-template-columns: 1fr;
    }
}