/* Verbrauchs-Dashboard – Dark Theme */

:root {
    --bg: #0d0d0d;
    --surface: #1a1a19;
    --surface-raised: #232322;
    --border: #2c2c2a;
    --border-strong: #383835;
    --text: #ffffff;
    --text-secondary: #c3c2b7;
    --text-muted: #898781;

    --color-wasser: #3987e5;
    --color-warmwasser: #d6336c;
    --color-gas: #d95926;
    --color-strom: #c98500;

    --success: #3f9142;
    --error: #e5484d;

    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-raised: 0 8px 24px rgba(0, 0, 0, 0.45);

    /* Glas-Oberflächen: halbtransparente Panels + Weichzeichner vor dem
       farbigen Verlaufshintergrund (body::before) */
    --glass-bg: rgba(26, 26, 25, 0.55);
    --glass-bg-strong: rgba(35, 35, 34, 0.68);
    --glass-border: rgba(255, 255, 255, 0.09);
    --glass-highlight: rgba(255, 255, 255, 0.07);
    --glass-blur: blur(20px) saturate(160%);

    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;

    --transition: 150ms ease;

    --sidebar-width: 240px;
    --mobile-topbar-height: 56px;
    --mobile-tabbar-height: 64px;

    color-scheme: dark;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    line-height: 1.5;
    min-height: 100vh;
    position: relative;
}

/* Farbiger, weicher Verlaufshintergrund hinter den Glas-Panels -- ohne ihn
   gäbe es nichts zum "Durchscheinen" für backdrop-filter. Fixiert, damit er
   beim Scrollen ruhig steht. */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(circle at 12% 18%, rgba(57, 135, 229, 0.28), transparent 42%),
        radial-gradient(circle at 88% 12%, rgba(217, 89, 38, 0.20), transparent 45%),
        radial-gradient(circle at 55% 92%, rgba(201, 133, 0, 0.18), transparent 48%),
        var(--bg);
}

a { color: inherit; }

:focus-visible {
    outline: 2px solid var(--color-wasser);
    outline-offset: 2px;
    border-radius: 4px;
}

/* App-Shell: Sidebar (Desktop) + Top-/Bottom-Bar (Mobil) */
.app-shell {
    min-height: 100vh;
}

.sidebar-logo,
.mobile-topbar__logo {
    font-weight: 700;
    font-size: 1.05rem;
    text-decoration: none;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sidebar-logo__mark {
    font-size: 1.2rem;
}

/* Sidebar (Desktop) */
.sidebar {
    display: none;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    flex: 1;
    margin-top: var(--space-6);
}

.sidebar-nav__link,
.sidebar-logout {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.92rem;
    padding: 0.65rem var(--space-3);
    border-radius: var(--radius-sm);
    transition: background-color var(--transition), color var(--transition);
}

.sidebar-nav__icon {
    font-size: 1.05rem;
    line-height: 1;
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0.4rem var(--space-3);
    font-size: 0.85rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
    margin-top: var(--space-3);
    padding-top: var(--space-4);
}

.sidebar-nav__link:hover,
.sidebar-logout:hover {
    background: var(--glass-bg-strong);
    color: var(--text);
}

.sidebar-nav__link.is-active {
    background: var(--glass-bg-strong);
    color: var(--text);
    box-shadow: inset 3px 0 0 var(--color-strom);
}

/* Mobile Top-Bar */
.mobile-topbar {
    height: var(--mobile-topbar-height);
    background: var(--glass-bg);
    border-bottom: 1px solid var(--glass-border);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-4);
}

.mobile-topbar__logout {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 1.1rem;
    padding: var(--space-2);
    border-radius: var(--radius-sm);
}

.mobile-topbar__logout:hover { color: var(--text); }

/* Mobile Bottom Tab-Bar */
.mobile-tabbar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    height: var(--mobile-tabbar-height);
    background: var(--glass-bg);
    border-top: 1px solid var(--glass-border);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    display: flex;
    z-index: 10;
}

.mobile-tabbar__link {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.15rem;
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.7rem;
}

.mobile-tabbar__icon {
    font-size: 1.2rem;
    line-height: 1;
}

.mobile-tabbar__link.is-active {
    color: var(--text);
}

/* Main layout */
.app-content {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.app-main {
    flex: 1;
    max-width: 1100px;
    width: 100%;
    margin: 0 auto;
    padding: var(--space-5) var(--space-4) calc(var(--mobile-tabbar-height) + var(--space-5));
}

.app-main--auth {
    max-width: none;
    padding: var(--space-4);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.app-footer {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
    padding: var(--space-5);
}

@media (min-width: 880px) {
    .app-shell {
        display: flex;
    }

    .sidebar {
        display: flex;
        flex-direction: column;
        position: sticky;
        top: 0;
        height: 100vh;
        width: var(--sidebar-width);
        flex-shrink: 0;
        background: var(--glass-bg);
        border-right: 1px solid var(--glass-border);
        backdrop-filter: var(--glass-blur);
        -webkit-backdrop-filter: var(--glass-blur);
        padding: var(--space-5) var(--space-3);
    }

    .mobile-topbar,
    .mobile-tabbar {
        display: none;
    }

    .app-content {
        flex: 1;
        min-width: 0;
    }

    .app-main {
        padding: var(--space-6) var(--space-6) var(--space-6);
    }
}

/* Cards -- Glas-Panels: halbtransparent + geblurrt, dezenter Lichtschein
   oben (Verlauf) simuliert eine Glaskante */
.card {
    background:
        linear-gradient(165deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0) 45%),
        var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 1.25rem;
    box-shadow: var(--shadow), inset 0 1px 0 var(--glass-highlight);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.page-header h1 {
    margin: 0;
    font-size: 1.4rem;
}

/* Summary-Card (Dashboard: aktueller Stand aller Zählerarten) */
.summary-card {
    margin-bottom: var(--space-5);
}

.water-compare-card {
    margin-bottom: var(--space-5);
}

.water-compare-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--space-5);
}

.water-compare-stat {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    padding: 0.6rem 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
}

.water-compare-stat.is-active {
    border-color: var(--color-wasser);
    background: var(--glass-bg);
}

.water-compare-stat__label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.water-compare-stat__value {
    font-size: 1.5rem;
    font-weight: 600;
    font-variant-numeric: proportional-nums;
}

.summary-card__title {
    margin: 0 0 var(--space-4);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-5);
}

.summary-stat {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.summary-stat__label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.summary-stat__dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--accent, var(--text-muted));
    flex-shrink: 0;
}

.summary-stat__value {
    font-size: 1.9rem;
    font-weight: 600;
    font-variant-numeric: proportional-nums;
}

.summary-stat__value--empty {
    color: var(--text-muted);
}

.summary-stat__unit {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-secondary);
    margin-left: 0.25rem;
}

.summary-stat__meta {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.summary-stat__year {
    font-size: 1.05rem;
    font-weight: 600;
    font-variant-numeric: proportional-nums;
    color: var(--text);
    margin-top: 0.2rem;
}

.summary-stat__year-label {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--text-muted);
    margin-left: 0.35rem;
}

/* Auth */
.auth-wrap {
    width: 100%;
    display: flex;
    justify-content: center;
}

.auth-card {
    width: 100%;
    max-width: 360px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.auth-card__title {
    margin: 0 0 0.25rem;
    font-size: 1.3rem;
    text-align: center;
}

.legal-card {
    width: 100%;
    max-width: 640px;
    text-align: left;
}

.legal-card h1 {
    margin: 0 0 0.25rem;
    font-size: 1.4rem;
}

.legal-card h2 {
    font-size: 1rem;
    margin: 1.5rem 0 0.5rem;
    color: var(--text-secondary);
}

.legal-card p {
    margin: 0 0 0.5rem;
    line-height: 1.6;
}

/* Forms */
.field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.field input,
.field select,
.field textarea {
    background: var(--glass-bg-strong);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text);
    padding: 0.65rem 0.75rem;
    font-size: 1rem;
    font-family: inherit;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
    outline: 2px solid var(--color-wasser);
    outline-offset: 1px;
}

.field-hint {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.checkbox-field {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.checkbox-field input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-wasser);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 560px) {
    .form-grid { grid-template-columns: 1fr; }
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.65rem 1.1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--glass-border);
    background: var(--glass-bg-strong);
    color: var(--text);
    font-size: 0.95rem;
    cursor: pointer;
    text-decoration: none;
    min-height: 44px;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    transition: border-color var(--transition), filter var(--transition), background-color var(--transition);
}

.btn:hover { border-color: rgba(255, 255, 255, 0.2); }

.btn--primary {
    background: linear-gradient(165deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0) 55%), var(--color-wasser);
    border-color: rgba(255, 255, 255, 0.25);
    color: #ffffff;
}

.btn--primary:hover { filter: brightness(1.1); }

.btn--danger {
    background: transparent;
    border-color: var(--error);
    color: var(--error);
}

.btn--danger:hover { background: rgba(229, 72, 77, 0.12); }

.btn--block { width: 100%; }
.btn--sm { padding: 0.4rem 0.75rem; font-size: 0.85rem; min-height: 36px; }

/* Alerts */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
}

.alert--error {
    background: rgba(229, 72, 77, 0.12);
    border: 1px solid var(--error);
    color: #ff9fa2;
}

.alert--success {
    background: rgba(63, 145, 66, 0.12);
    border: 1px solid var(--success);
    color: #8fd992;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    color: #0d0d0d;
}

.badge--kaltwasser { background: var(--color-wasser); color: #ffffff; }
.badge--warmwasser { background: var(--color-warmwasser); color: #ffffff; }
.badge--gas { background: var(--color-gas); color: #ffffff; }
.badge--strom { background: var(--color-strom); color: #0d0d0d; }

/* Dashboard grid */
.tiles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-4);
    margin-bottom: 2rem;
}

.tile {
    transition: border-color var(--transition), box-shadow var(--transition);
}

.tile:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-raised);
}

/* "Ohne Raum"-Kacheln (nicht zugeordnete Wassereinträge) dezent von den
   regulären Raum-Kacheln absetzen */
.tile--dashed {
    border-style: dashed;
}

.tile__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.tile__title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}

.tile__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.tile__toggle {
    display: flex;
    gap: 0.25rem;
    background: var(--glass-bg-strong);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 0.2rem;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

.tile__toggle button {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.75rem;
    padding: 0.3rem 0.6rem;
    border-radius: 6px;
    cursor: pointer;
}

.tile__toggle button.is-active {
    background: var(--border-strong);
    color: var(--text);
}

.tile__stats {
    display: flex;
    gap: var(--space-5);
    margin-bottom: 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--glass-border);
}

.tile__stat {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.tile__stat-value {
    font-size: 1.05rem;
    font-weight: 600;
    font-variant-numeric: proportional-nums;
}

.tile__stat-value--empty {
    color: var(--text-muted);
    font-weight: 400;
}

.tile__stat-label {
    font-size: 0.72rem;
    color: var(--text-muted);
}

.tile canvas {
    max-height: 160px;
}

.tile__empty {
    color: var(--text-muted);
    font-size: 0.85rem;
    padding: 2rem 0;
    text-align: center;
}

/* Type filter tabs (Liste) */
.type-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}

.type-tabs a {
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: background-color var(--transition), border-color var(--transition), color var(--transition);
}

.type-tabs a:hover { border-color: var(--text-muted); color: var(--text); }

.type-tabs a.is-active {
    color: #ffffff;
    border-color: transparent;
}

.type-tabs a.is-active[data-type="kaltwasser"] { background: var(--color-wasser); }
.type-tabs a.is-active[data-type="warmwasser"] { background: var(--color-warmwasser); }
.type-tabs a.is-active[data-type="gas"] { background: var(--color-gas); }
.type-tabs a.is-active[data-type="strom"] { background: var(--color-strom); color: #0d0d0d; }

/* Room filter tabs (Räume) — gleiche Optik wie .type-tabs, aber ohne
   zählerart-spezifische Akzentfarbe (Räume sind nicht kategorial gefärbt) */
.room-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}

.room-tabs a {
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: background-color var(--transition), border-color var(--transition), color var(--transition);
}

.room-tabs a:hover { border-color: var(--text-muted); color: var(--text); }

.room-tabs a.is-active {
    color: #ffffff;
    border-color: transparent;
    background: linear-gradient(165deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0) 55%), var(--color-wasser);
}

/* Property filter tabs (Wohnungen) — Segmented Control, bewusst präsenter
   als die Zählerart-Tabs darunter (Wohnung ist die übergeordnete Auswahl) */
.property-tabs {
    display: inline-flex;
    gap: 0.15rem;
    padding: 0.3rem;
    margin-bottom: 1.5rem;
    background: var(--glass-bg-strong);
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    max-width: 100%;
    overflow-x: auto;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

.property-tabs a {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    text-decoration: none;
    white-space: nowrap;
    padding: 0.55rem 1.1rem;
    border-radius: 999px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 600;
    transition: background-color var(--transition), color var(--transition);
}

.property-tabs a:hover { color: var(--text); }

.property-tabs a.is-active {
    color: #ffffff;
    background: linear-gradient(165deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0) 55%), var(--color-wasser);
}

/* Table */
.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

th, td {
    text-align: left;
    padding: 0.65rem 0.75rem;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

th {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

tbody tr { transition: background-color var(--transition); }
tbody tr:hover { background: var(--surface-raised); }

.thumb-link img {
    width: 42px;
    height: 42px;
    object-fit: cover;
    border-radius: 6px;
    border: 1px solid var(--border-strong);
    display: block;
}

.thumb-placeholder {
    width: 42px;
    height: 42px;
    border-radius: 6px;
    background: var(--surface-raised);
    border: 1px solid var(--border-strong);
    display: block;
}

.row-actions {
    display: flex;
    gap: 0.5rem;
}

.photo-preview {
    margin-top: 0.5rem;
    max-width: 220px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-strong);
    display: none;
}

.photo-preview.is-visible { display: block; }

/* Fallback für Browser ohne backdrop-filter (z.B. ältere Firefox-Versionen):
   sonst wirken die halbtransparenten Panels ungeblurrt "milchig". Statt
   Transparenz dann einfach die bewährten, blickdichten Oberflächen. */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
    .card,
    .sidebar,
    .mobile-topbar,
    .mobile-tabbar,
    .field input,
    .field select,
    .field textarea,
    .btn,
    .tile__toggle,
    .type-tabs a,
    .property-tabs {
        background: var(--surface);
    }
}