html {
    overflow-x: hidden;
}

:root {
    --bg: #f1f3ef;
    --surface: #f7f8f3;
    --panel: #fcfcf8;
    --ink: #101717;
    --muted: #586365;
    --accent: #d7642c;
    --accent-dark: #b04f1f;
    --teal: #0d4d50;
    --line: rgba(16, 23, 23, 0.12);
    --line-strong: rgba(16, 23, 23, 0.24);
    --success: #236646;
    --error: #9f392e;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    overflow-x: hidden;
    font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    color: var(--ink);
    background:
        linear-gradient(180deg, rgba(13, 77, 80, 0.05) 0%, transparent 12%),
        linear-gradient(180deg, #f7f8f3 0%, #eef1eb 100%);
}

img {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
}

.page-shell {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 20px 56px;
    overflow-x: clip;
}

.site-header {
    margin: 0 -20px;
    border-bottom: 1px solid var(--line-strong);
    background: rgba(247, 248, 243, 0.92);
    backdrop-filter: blur(8px);
}

.header-hero {
    position: relative;
    min-height: 248px;
    background:
        linear-gradient(90deg, rgba(9, 22, 23, 0.84) 0%, rgba(9, 22, 23, 0.52) 36%, rgba(9, 22, 23, 0.26) 60%, rgba(9, 22, 23, 0.34) 100%),
        url('/assets/hachenburg-alter-markt-real.jpg') center/cover no-repeat;
}

.admin-shell .header-hero,
.tenant-shell .header-hero {
    min-height: 188px;
}

.header-overlay {
    max-width: 1320px;
    margin: 0 auto;
    padding: 18px 20px 26px;
    color: #fff;
}

.topbar {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: flex-start;
    padding: 0;
}

.brand-block h1,
.header-copy h2,
.panel h2,
.auth-card h2,
.hero h2 {
    margin: 0;
    letter-spacing: -0.04em;
    line-height: 0.96;
}

.brand-block h1 {
    font-size: clamp(2rem, 3vw, 3.3rem);
}

.header-copy {
    width: min(760px, 100%);
    margin-top: 32px;
}

.header-copy h2 {
    font-size: clamp(1.8rem, 2.8vw, 3.1rem);
    max-width: 860px;
}

.header-kicker,
.eyebrow {
    margin: 0 0 10px;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.74rem;
    font-weight: 700;
}

.header-kicker {
    color: rgba(255, 255, 255, 0.76);
}

.eyebrow {
    color: var(--teal);
}

.brand-block .eyebrow {
    color: rgba(255, 255, 255, 0.72);
}

.header-text,
.lead,
.muted {
    line-height: 1.65;
}

.header-text {
    margin: 14px 0 0;
    max-width: 720px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
}

.hero-credit {
    margin: 18px 0 0;
    color: rgba(255, 255, 255, 0.62);
    font-size: 0.78rem;
    letter-spacing: 0.02em;
}

.topnav {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.topnav a,
button {
    border: 0;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: #fff;
    text-decoration: none;
    font: inherit;
    font-weight: 700;
    letter-spacing: 0.01em;
}

.topnav a {
    padding: 12px 16px;
}

.button-link {
    display: inline-block;
    padding: 12px 16px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: #fff;
    text-decoration: none;
    font-weight: 700;
}

.button-link-small {
    padding: 9px 12px;
    font-size: 0.9rem;
}

.button-link-consumption {
    background: linear-gradient(135deg, var(--teal) 0%, #0a3d40 100%);
}

.copy-link-button {
    white-space: nowrap;
}

.reset-link-cell {
    max-width: 560px;
    overflow-wrap: anywhere;
    font-size: 0.92rem;
}

.topnav span {
    padding: 12px 0;
    color: rgba(255, 255, 255, 0.86);
}

.landing-shell,
.dashboard {
    margin-top: 22px;
    display: grid;
    gap: 22px;
}

.info-strip {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 2px solid var(--line-strong);
    border-bottom: 2px solid var(--line-strong);
    background: rgba(255, 255, 255, 0.36);
}

.strip-item {
    padding: 18px 20px;
    border-right: 1px solid var(--line);
}

.strip-item:last-child {
    border-right: 0;
}

.strip-label {
    display: block;
    margin-bottom: 6px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 0.72rem;
    font-weight: 700;
}

.strip-item strong {
    font-size: 1.02rem;
}

.auth-card,
.panel,
.hero {
    border: 1px solid var(--line-strong);
    background: var(--panel);
    min-width: 0;
}

.auth-card {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 28px;
    padding: 28px;
}

.auth-card-copy,
.hero > div:first-child {
    display: flex;
    flex-direction: column;
    gap: 12px;
    justify-content: center;
}

.auth-card h2,
.panel h2,
.hero h2 {
    font-size: clamp(1.45rem, 2vw, 2.35rem);
}

.panel h3 {
    margin: 28px 0 12px;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--muted);
}

.auth-card p,
.auth-card-copy p,
.panel p,
.hero p {
    margin: 0;
}

.stack {
    display: grid;
    gap: 16px;
}

.form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: end;
}

label span {
    display: block;
    margin-bottom: 8px;
    font-weight: 700;
    color: #193033;
}

input[type="email"],
input[type="password"],
input[type="text"],
input[type="date"],
input[type="file"],
select {
    width: 100%;
    border: 1px solid var(--line-strong);
    padding: 14px 15px;
    background: #fff;
    font: inherit;
    color: var(--ink);
}

input:focus,
select:focus {
    outline: 2px solid rgba(13, 77, 80, 0.12);
    border-color: rgba(13, 77, 80, 0.42);
}

button {
    padding: 14px 18px;
    cursor: pointer;
}

.tenant-dashboard {
    grid-template-columns: repeat(12, minmax(0, 1fr));
}

.tenant-dashboard .hero,
.tenant-dashboard .panel {
    grid-column: span 12;
}

.tenant-dashboard .tenant-password-panel {
    order: 99;
}

.panel-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

.panel,
.hero {
    padding: 26px;
}

.admin-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.admin-tab {
    border: 1px solid var(--line-strong);
    background: #fff;
    color: var(--ink);
    padding: 12px 16px;
}

.admin-tab.is-active {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: #fff;
}

.admin-tab-panel {
    display: none;
}

.admin-tab-panel.is-active {
    display: block;
}

.tree-list {
    display: grid;
    gap: 18px;
    margin-top: 18px;
}

.tree-node {
    display: grid;
    gap: 12px;
}

.tree-node-property {
    border-top: 1px solid var(--line-strong);
    padding-top: 18px;
}

.tree-node-unit {
    margin-left: 22px;
    padding-left: 18px;
    border-left: 2px solid var(--line);
}

.tree-node-tenant {
    margin-left: 18px;
    padding-left: 16px;
    border-left: 1px dashed var(--line-strong);
}

.tree-row {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
}

.tree-meta {
    display: grid;
    gap: 4px;
}

.tree-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.panel-heading-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 18px;
}

.panel-heading-actions h2 {
    margin: 0;
}

.tree-consumption {
    display: grid;
    gap: 18px;
    margin: 0 0 26px;
    padding: 0 0 24px;
    border-bottom: 1px solid var(--line-strong);
}

.consumption-switcher {
    margin: 10px 0 18px;
    max-width: 520px;
}

.consumption-switcher label {
    display: grid;
    gap: 8px;
}

.consumption-switcher span {
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--muted);
}

.year-compare {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: 18px;
}

.year-card {
    border: 1px solid var(--line-strong);
    background: #fff;
    padding: 18px;
    display: grid;
    gap: 8px;
}

.year-card span {
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.72rem;
    font-weight: 700;
}

.year-card strong {
    font-size: 2rem;
    letter-spacing: -0.04em;
}

.hero {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: stretch;
    border-top: 5px solid var(--teal);
}

.hero-metric {
    min-width: 260px;
    padding: 22px;
    background: #102528;
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-metric span {
    color: rgba(255, 255, 255, 0.7);
}

.hero-metric strong {
    margin-top: 6px;
    font-size: 2.5rem;
    letter-spacing: -0.04em;
}

.admin-inline-form {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.admin-inline-form input[type="text"] {
    min-width: 220px;
    width: auto;
    flex: 1 1 220px;
}

.admin-inline-form select {
    min-width: 150px;
    width: auto;
    flex: 1 1 260px;
}

.admin-inline-form button {
    padding: 11px 14px;
}

.toggle-line,
.checkbox-row {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.toggle-line input,
.checkbox-row input {
    width: auto;
    margin: 0;
}

.checkbox-row span {
    margin: 0;
}

.form-actions {
    display: flex;
    align-items: end;
}

.admin-edit-form {
    margin: 0 0 10px;
    padding: 18px 0 10px;
    border-top: 1px solid var(--line);
}

.editor-block {
    display: grid;
    gap: 14px;
    margin-bottom: 18px;
}

.record-editor {
    display: none;
    border-top: 1px solid var(--line-strong);
    padding-top: 6px;
}

.record-editor.is-active {
    display: block;
}

.inline-delete-form {
    margin: 0 0 16px;
}

.inline-delete-form button {
    background: #231918;
}

.meter-detail-button,
.modal-close {
    padding: 9px 12px;
}

.flash {
    margin-top: 18px;
    padding: 14px 16px;
    border: 1px solid currentColor;
}

.flash-success {
    background: rgba(35, 102, 70, 0.08);
    color: var(--success);
}

.flash-error {
    background: rgba(159, 57, 46, 0.08);
    color: var(--error);
}

.muted {
    color: var(--muted);
}

.form-warning {
    color: var(--error);
    font-weight: 600;
    margin: 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
}

.panel table {
    display: block;
    overflow-x: auto;
    max-width: 100%;
}

.month-table-wide {
    width: min(1040px, 100%);
}

.month-table-wide th:first-child,
.month-table-wide td:first-child {
    min-width: 220px;
}

.month-table-wide th:last-child,
.month-table-wide td:last-child {
    min-width: 180px;
}

th,
td {
    text-align: left;
    padding: 14px 10px;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
}

th {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--muted);
}

tfoot th,
tfoot td {
    border-top: 1px solid var(--line-strong);
    border-bottom: 0;
}

.bar-chart {
    display: block;
    overflow-x: auto;
    overflow-y: hidden;
    min-height: 360px;
    margin-top: 20px;
    padding-top: 10px;
    max-width: 100%;
}

.bar-chart-track {
    display: grid;
    gap: 12px;
    align-items: end;
    min-height: 360px;
}

.bar-chart-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    min-height: 320px;
}

.bar-chart-value {
    font-size: 0.82rem;
    color: var(--muted);
}

.bar-chart-bar {
    width: 100%;
    margin-top: auto;
    background: linear-gradient(180deg, rgba(215, 100, 44, 0.78) 0%, rgba(13, 77, 80, 0.92) 100%);
}

.bar-chart-label {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    font-size: 0.78rem;
    color: var(--muted);
}

.bar-chart-years {
    overflow-x: auto;
    min-height: 300px;
}

.bar-chart-years .bar-chart-track {
    margin: 0;
    min-height: 300px;
}

.bar-chart-years .bar-chart-item {
    min-height: 240px;
    min-width: 0;
    justify-content: end;
}

.bar-chart-years .bar-chart-value,
.bar-chart-years .bar-chart-label {
    width: 100%;
    text-align: center;
}

.bar-chart-years .bar-chart-bar {
    max-width: 150px;
}

.bar-chart-years .bar-chart-label {
    writing-mode: initial;
    transform: none;
    font-size: 0.82rem;
}

.modal-shell {
    position: fixed;
    inset: 0;
    z-index: 1000;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(16, 23, 23, 0.5);
}

.modal-card {
    position: relative;
    width: min(760px, calc(100vw - 32px));
    max-height: calc(100vh - 48px);
    margin: 24px auto;
    padding: 24px;
    overflow: auto;
    border: 1px solid var(--line-strong);
    background: var(--panel);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
}

.modal-body {
    margin-top: 18px;
}

.modal-open {
    overflow: hidden;
}

.modal-tools {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: end;
    margin-bottom: 18px;
}

.modal-year-picker {
    min-width: 180px;
}

.line-chart-card {
    margin-bottom: 22px;
}

.line-chart-scroll {
    overflow-x: auto;
    padding-bottom: 6px;
}

.line-chart-wrap {
    position: relative;
    padding-bottom: 28px;
}

.line-chart {
    width: 100%;
    height: 200px;
    display: block;
    border: 1px solid var(--line);
    background: linear-gradient(180deg, rgba(13, 77, 80, 0.04) 0%, rgba(215, 100, 44, 0.03) 100%);
}

.line-chart-axis {
    stroke: rgba(16, 23, 23, 0.24);
    stroke-width: 1;
}

.line-chart-grid {
    stroke: rgba(16, 23, 23, 0.12);
    stroke-width: 1;
    stroke-dasharray: 3 4;
}

.line-chart-path {
    fill: none;
    stroke: var(--accent);
    stroke-width: 3;
    stroke-linejoin: round;
    stroke-linecap: round;
}

.line-chart-y-axis {
    position: absolute;
    top: 0;
    left: 0;
    width: 20px;
    height: 180px;
    pointer-events: none;
}

.line-chart-y-axis-label {
    position: absolute;
    left: 0;
    transform: translateY(-50%);
    font-size: 0.72rem;
    color: var(--muted);
    white-space: nowrap;
}

.line-chart-labels {
    position: relative;
    height: 24px;
}

.line-chart-axis-label {
    position: absolute;
    bottom: 0;
    transform: translateX(-50%);
    font-size: 0.76rem;
    color: var(--muted);
    white-space: nowrap;
}

.timeline-line-chart {
    margin: 18px 0 22px;
    max-width: 100%;
    overflow: hidden;
}

.timeline-line-chart-scroll {
    width: 100%;
    overflow-x: scroll;
    overflow-y: hidden;
    scrollbar-gutter: stable both-edges;
    padding-bottom: 12px;
    max-width: 100%;
}

.timeline-line-chart-inner {
    position: relative;
    padding-bottom: 28px;
    min-width: 100%;
}

.timeline-line-chart-inner.is-scrollable {
    min-width: max-content;
}

.timeline-line-chart-y-axis {
    position: absolute;
    top: 0;
    left: 0;
    width: 32px;
    height: 180px;
    pointer-events: none;
}

.timeline-line-chart-y-axis-label {
    position: absolute;
    left: 0;
    transform: translateY(-50%);
    font-size: 0.72rem;
    color: var(--muted);
    white-space: nowrap;
}

.timeline-line-chart-svg {
    width: 100%;
    height: 220px;
    display: block;
    border: 1px solid var(--line);
    background: linear-gradient(180deg, rgba(13, 77, 80, 0.04) 0%, rgba(215, 100, 44, 0.03) 100%);
}

.timeline-line-chart-labels {
    position: relative;
    height: 24px;
}

.timeline-line-chart-label {
    position: absolute;
    bottom: 0;
    transform: translateX(-50%);
    font-size: 0.76rem;
    color: var(--muted);
    white-space: nowrap;
}

@media (max-width: 980px) {
    .auth-card,
    .panel-grid,
    .form-grid,
    .info-strip,
    .year-compare {
        grid-template-columns: 1fr;
    }

    .info-strip {
        display: grid;
    }

    .strip-item {
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .strip-item:last-child {
        border-bottom: 0;
    }
}

@media (max-width: 820px) {
    .site-header {
        position: relative;
        margin: 0 -14px;
    }

    .page-shell {
        padding: 0 14px 34px;
    }

    .header-hero {
        min-height: 220px;
    }

    .topbar,
    .hero,
    .tree-row {
        flex-direction: column;
    }

    .hero-metric {
        min-width: 0;
    }

    .header-overlay {
        padding: 16px 14px 22px;
    }
}