/* Tankbuch – dunkles, mobil-first Layout */

:root {
  --bg:        #0d1016;
  --bg-soft:   #141922;
  --card:      #171d27;
  --card-2:    #1d2430;
  --line:      #29313f;
  --line-soft: #222a36;
  --text:      #e8ecf3;
  --muted:     #8d97a8;
  --accent:    #f59e0b;
  --accent-2:  #38bdf8;
  --ok:        #34d399;
  --danger:    #f87171;
  --radius:    14px;
  --radius-sm: 9px;
  --shadow:    0 10px 30px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background:
    radial-gradient(1100px 520px at 12% -10%, #1b2432 0%, transparent 62%),
    radial-gradient(900px 460px at 95% 0%, #1a1f2e 0%, transparent 58%),
    var(--bg);
  color: var(--text);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  min-height: 100vh;
  padding-bottom: env(safe-area-inset-bottom);
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { width: min(1100px, 100% - 28px); margin-inline: auto; }

.muted { color: var(--muted); }
.small { font-size: .86rem; }
.warn  { color: var(--accent); }
.num   { text-align: right; font-variant-numeric: tabular-nums; }
.mt    { margin-top: 12px; }
.hidden-field { display: none; }

/* ------------------------------------------------------------------ Topbar */

.topbar {
  position: sticky; top: 0; z-index: 40;
  background: rgba(13,16,22,.86);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line-soft);
}
.topbar-inner { display: flex; align-items: center; gap: 16px; height: 60px; }

.brand { display: flex; align-items: center; gap: 9px; font-weight: 700; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand-mark {
  display: grid; place-items: center;
  width: 32px; height: 32px; border-radius: 9px;
  background: linear-gradient(150deg, var(--accent), #d97706);
  font-size: 17px;
}
.brand-mark.big { width: 52px; height: 52px; font-size: 26px; border-radius: 15px; }
.brand-text { letter-spacing: .2px; }

.mainnav { display: none; gap: 4px; margin-left: 8px; }
.mainnav a {
  padding: 7px 12px; border-radius: 9px; color: var(--muted); font-size: .93rem; font-weight: 500;
}
.mainnav a:hover { background: var(--card); color: var(--text); text-decoration: none; }
.mainnav a.active { background: var(--card-2); color: var(--text); }

.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 8px; }

/* ------------------------------------------------------------------- Menüs */

.menu { position: relative; }
.menu > summary {
  list-style: none; cursor: pointer;
  padding: 7px 13px; border: 1px solid var(--line); border-radius: 9px;
  background: var(--card); font-size: .88rem; white-space: nowrap;
}
.menu > summary::-webkit-details-marker { display: none; }
.menu > summary::after { content: " ▾"; color: var(--muted); }
.menu-panel {
  position: absolute; right: 0; top: calc(100% + 6px); z-index: 50;
  min-width: 220px; padding: 8px;
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius-sm); box-shadow: var(--shadow);
}
.menu-panel.wide { min-width: 290px; }
.menu-panel a { display: block; padding: 8px 10px; border-radius: 7px; color: var(--text); font-size: .92rem; }
.menu-panel a:hover { background: var(--card-2); text-decoration: none; }
.menu-panel a.current { color: var(--accent); }
.align-right { margin-left: auto; }

/* ------------------------------------------------------------------ Flashes */

.flash {
  margin: 14px 0; padding: 12px 15px;
  border-radius: var(--radius-sm); border: 1px solid var(--line);
  background: var(--card); font-size: .93rem;
}
.flash-success { border-color: #1f6d4d; background: #10231c; color: #a7f3d0; }
.flash-error   { border-color: #7f2b2b; background: #241414; color: #fecaca; }
.flash-info    { border-color: #2f5578; background: #131d29; color: #bae6fd; }

/* ------------------------------------------------------------------- Karten */

.card {
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 16px;
}
.card-head {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  margin-bottom: 14px;
}
.card-head h2 { margin: 0; font-size: 1.03rem; letter-spacing: .2px; }
h3.sub { margin: 0 0 8px; font-size: .93rem; color: var(--muted); font-weight: 600; }
.sep { border: none; border-top: 1px solid var(--line-soft); margin: 18px 0; }

.page-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  flex-wrap: wrap; margin: 20px 0 16px;
}
.page-head h1 { margin: 0; font-size: 1.4rem; letter-spacing: -.2px; }
.page-head-meta { color: var(--muted); font-size: .9rem; }

/* ----------------------------------------------------------------- Buttons */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 10px 17px; border-radius: 10px; border: 1px solid transparent;
  font: inherit; font-weight: 600; font-size: .93rem; cursor: pointer;
  background: var(--card-2); color: var(--text); text-decoration: none;
  transition: filter .15s, background .15s;
}
.btn:hover { filter: brightness(1.14); text-decoration: none; }
.btn-primary { background: linear-gradient(150deg, var(--accent), #d97706); color: #1a1206; }
.btn-ghost   { background: transparent; border-color: var(--line); color: var(--text); }
.btn-ghost:hover { background: var(--card-2); }
.btn-danger  { background: #7f1d1d; color: #fee2e2; }
.btn-sm      { padding: 7px 13px; font-size: .86rem; }
.btn-block   { width: 100%; }
.btn-row     { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.form-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px; }
.link-sm { font-size: .85rem; }

/* --------------------------------------------------------------- Formulare */

label > span { display: block; font-size: .87rem; color: var(--muted); margin-bottom: 6px; font-weight: 500; }
label > small { display: block; margin-top: 5px; font-size: .8rem; color: var(--muted); }

input[type=text], input[type=email], input[type=password], input[type=number],
input[type=date], input[type=file], select, textarea {
  width: 100%; padding: 11px 13px;
  background: var(--bg-soft); color: var(--text);
  border: 1px solid var(--line); border-radius: 10px;
  font: inherit; font-size: .95rem;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--accent-2);
  box-shadow: 0 0 0 3px rgba(56,189,248,.16);
}
input:disabled { opacity: .55; }
input[type=file] { padding: 9px; font-size: .88rem; }

.stack { display: grid; gap: 15px; }
.stack.tight { gap: 11px; }
.grid-2, .grid-3 { display: grid; gap: 15px; margin-bottom: 15px; }
.inline-form { display: flex; gap: 8px; flex-wrap: wrap; align-items: flex-start; }
.inline-form input { flex: 1 1 210px; width: auto; }

.check { display: flex; align-items: flex-start; gap: 10px; font-size: .93rem; }
.check input[type=checkbox] { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--accent); flex: none; }
.check > span > small { display: block; color: var(--muted); font-size: .82rem; margin-top: 3px; }
.big-check {
  padding: 13px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg-soft);
}
.checks { border: 1px solid var(--line); border-radius: 10px; padding: 11px; margin: 0; }
.checks legend { padding: 0 6px; font-size: .82rem; color: var(--muted); }
.checks .check { margin-bottom: 6px; }

.code-input { letter-spacing: .35em; font-size: 1.2rem; text-align: center; font-variant-numeric: tabular-nums; }

.copybox { margin-top: 10px; }
.copybox input { font-size: .82rem; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
/* Kompakte Variante für Tabellenzellen (Einladungslinks, Rollen-Schalter). */
.copybox.tight { margin-top: 4px; max-width: 320px; }
.copybox.tight input { font-size: .72rem; padding: 5px 7px; }
.inline-form.tight { gap: 6px; margin-top: 4px; }

/* ------------------------------------------------------------------- Farben */

.color-field { border: 1px solid var(--line); border-radius: 10px; padding: 12px; margin: 0 0 15px; }
.color-field legend { padding: 0 6px; font-size: .82rem; color: var(--muted); }
.swatches { display: flex; flex-wrap: wrap; gap: 9px; }
.swatch { position: relative; cursor: pointer; }
.swatch input[type=radio] { position: absolute; opacity: 0; width: 0; height: 0; }
.swatch > span {
  display: block; width: 32px; height: 32px; border-radius: 50%;
  background: var(--sw); border: 2px solid transparent; box-shadow: 0 0 0 1px var(--line);
}
.swatch input[type=radio]:checked + span { border-color: var(--text); box-shadow: 0 0 0 3px var(--accent-2); }
.swatch-custom { display: grid; place-items: center; }
.swatch-custom input[type=color] {
  width: 32px; height: 32px; padding: 0; border: 1px solid var(--line);
  border-radius: 50%; background: none; cursor: pointer;
}
.swatch-custom input[type=color]::-webkit-color-swatch-wrapper { padding: 2px; }
.swatch-custom input[type=color]::-webkit-color-swatch { border: none; border-radius: 50%; }

/* -------------------------------------------------------------- Auto-Kacheln */

.car-grid { display: grid; gap: 15px; margin-bottom: 18px; }
.car-tile {
  display: block; color: var(--text); text-decoration: none;
  background: linear-gradient(170deg, var(--card-2), var(--card));
  border: 1px solid var(--line-soft); border-radius: var(--radius);
  overflow: hidden; transition: transform .16s, border-color .16s;
}
.car-tile:hover { transform: translateY(-2px); border-color: var(--line); text-decoration: none; }
.car-tile-sketch {
  display: grid; place-items: center; padding: 12px 10px 2px;
  background: radial-gradient(420px 130px at 50% 110%, rgba(56,189,248,.09), transparent 70%);
}
.car-tile-sketch svg { max-width: 100%; height: auto; }
.car-tile-body { padding: 4px 17px 17px; }
.car-tile-body h3 { margin: 0 0 2px; font-size: 1.06rem; }
.car-tile-sub { margin: 0 0 13px; color: var(--muted); font-size: .84rem; }

.tile-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.tile-metrics > div { min-width: 0; }
.metric-value { display: block; font-weight: 700; font-size: .98rem; font-variant-numeric: tabular-nums; }
.metric-label { display: block; color: var(--muted); font-size: .74rem; line-height: 1.3; margin-top: 2px; }

/* ------------------------------------------------------------- Gesamtkosten */

.totals-box { border-color: var(--line); }
.totals-main {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; margin-bottom: 14px;
}
.totals-primary { min-width: 0; }
.totals-value {
  display: block; font-size: 2.05rem; font-weight: 700; letter-spacing: -.5px;
  font-variant-numeric: tabular-nums; color: var(--accent);
}
.totals-secondary { text-align: right; }

/* ----------------------------------------------------------------- Kennzahlen */

.kpi-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 11px; margin-bottom: 16px; }
.kpi {
  background: var(--card); border: 1px solid var(--line-soft);
  border-radius: var(--radius); padding: 14px 15px;
}
.kpi-accent { border-color: #3d3418; background: linear-gradient(160deg, #1f1c10, var(--card)); }
.kpi-value {
  display: block; font-size: 1.28rem; font-weight: 700;
  font-variant-numeric: tabular-nums; letter-spacing: -.3px;
}
.kpi-value small { font-size: .7rem; font-weight: 600; color: var(--muted); }
.kpi-label { display: block; color: var(--muted); font-size: .76rem; margin-top: 3px; }

.facts { display: grid; grid-template-columns: 1fr; gap: 0; margin: 0; }
.facts > div {
  display: flex; justify-content: space-between; gap: 14px;
  padding: 9px 0; border-bottom: 1px solid var(--line-soft);
}
.facts > div:last-child { border-bottom: none; }
.facts dt { color: var(--muted); font-size: .89rem; }
.facts dd { margin: 0; font-weight: 600; font-variant-numeric: tabular-nums; text-align: right; }

/* -------------------------------------------------------------- Auto-Header */

.car-header { display: grid; gap: 14px; }
.car-header-sketch { display: grid; place-items: center; }
.car-header-sketch svg { max-width: 100%; height: auto; }
.car-header-info h1 { margin: 0 0 4px; font-size: 1.35rem; }
.car-header-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }

.car-form { display: block; }
.sketch-preview-card { display: grid; place-items: center; }
#sketch-preview svg { max-width: 100%; height: auto; }

/* --------------------------------------------------------------- Tabellen */

.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.table th {
  text-align: left; font-size: .75rem; text-transform: uppercase; letter-spacing: .05em;
  color: var(--muted); font-weight: 600; padding: 8px 9px; border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.table td { padding: 10px 9px; border-bottom: 1px solid var(--line-soft); vertical-align: middle; }
.table tr:last-child td { border-bottom: none; }
.table.compact td, .table.compact th { padding: 7px 8px; }

.dot {
  display: inline-block; width: 9px; height: 9px; border-radius: 50%;
  margin-right: 6px; vertical-align: baseline;
}

.pill {
  display: inline-block; padding: 1px 7px; border-radius: 20px;
  font-size: .68rem; font-weight: 600; letter-spacing: .03em;
  background: var(--card-2); color: var(--muted); border: 1px solid var(--line);
  vertical-align: middle;
}
.pill-tg { background: #10283a; color: #7dd3fc; border-color: #1e4a67; }
.pill-ok { background: #10261d; color: #6ee7b7; border-color: #1f5c43; }
.pill-link { color: var(--accent-2); }
.pill-link:hover { text-decoration: none; filter: brightness(1.2); }

.filterbar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.chip {
  display: inline-flex; align-items: center; gap: 3px;
  padding: 6px 13px; border-radius: 20px; font-size: .85rem;
  background: var(--card); border: 1px solid var(--line); color: var(--muted);
}
.chip:hover { text-decoration: none; color: var(--text); }
.chip-on { background: var(--card-2); color: var(--text); border-color: var(--accent-2); }

/* --------------------------------------------------------------- Diagramme */

.chart { width: 100%; height: 210px; display: block; }
.chart-empty {
  padding: 26px 14px; text-align: center; color: var(--muted); font-size: .88rem;
  border: 1px dashed var(--line); border-radius: var(--radius-sm);
}
.chart-row { display: grid; gap: 16px; }

/* ----------------------------------------------------------------- Zustände */

.empty-state { text-align: center; padding: 34px 20px; }
.empty-icon { font-size: 2.4rem; margin-bottom: 8px; }
.empty-state h2 { margin: 0 0 8px; font-size: 1.15rem; }
.empty-state p { color: var(--muted); max-width: 46ch; margin: 0 auto 16px; }

.danger-zone { border-color: #4b2222; background: linear-gradient(170deg, #1d1315, var(--card)); }
.danger-zone h2 { margin: 0 0 6px; font-size: 1rem; color: #fca5a5; }
.danger-zone p { color: var(--muted); font-size: .89rem; margin-top: 0; }

/* -------------------------------------------------------------- Anmeldung */

.auth-shell { min-height: 88vh; display: grid; place-items: center; padding: 26px 0; }
.auth-card {
  width: min(430px, 100%);
  background: var(--card); border: 1px solid var(--line-soft);
  border-radius: 18px; padding: 28px; box-shadow: var(--shadow);
}
.auth-head { text-align: center; margin-bottom: 22px; }
.auth-head .brand-mark { margin: 0 auto 12px; }
.auth-head h1 { margin: 0 0 6px; font-size: 1.45rem; }
.auth-head p { margin: 0; color: var(--muted); font-size: .9rem; }
.auth-alt { margin: 18px 0 0; text-align: center; font-size: .89rem; color: var(--muted); }
.auth-note {
  margin: 16px 0 0; padding-top: 15px; border-top: 1px solid var(--line-soft);
  font-size: .82rem; color: var(--muted); text-align: center;
}

/* ---------------------------------------------------------------- 2FA-Setup */

.steps { margin: 0; padding-left: 22px; display: grid; gap: 20px; }
.steps li strong { display: block; margin-bottom: 4px; }
.steps li p { margin: 0 0 10px; color: var(--muted); font-size: .9rem; }
.qr-box {
  display: inline-block; padding: 12px; background: #fff; border-radius: 12px;
}
.qr-box img { display: block; width: 220px; height: 220px; image-rendering: pixelated; }
.secret-code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 1.05rem; letter-spacing: .1em; word-break: break-all;
  background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: 9px; padding: 11px 13px; margin: 0 0 6px;
}
.codes-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px; margin: 14px 0;
}
.codes-grid code {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: 8px;
  padding: 10px; text-align: center; font-size: 1rem; letter-spacing: .07em;
}

code {
  background: var(--bg-soft); border: 1px solid var(--line-soft);
  border-radius: 5px; padding: 1px 5px; font-size: .85em;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; word-break: break-all;
}

/* ------------------------------------------------------------------- Tabbar */

.tabbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 45;
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: rgba(17,21,29,.96); backdrop-filter: blur(12px);
  border-top: 1px solid var(--line-soft);
  padding-bottom: env(safe-area-inset-bottom);
}
.tabbar a {
  display: grid; place-items: center; gap: 1px; padding: 9px 4px 8px;
  color: var(--muted); font-size: .68rem; text-decoration: none;
}
.tabbar a span { font-size: 1.12rem; line-height: 1; }
.tabbar a.active { color: var(--accent); }
.tabbar .tab-primary { color: var(--accent); font-weight: 600; }

.foot { padding: 22px 0 92px; color: var(--muted); font-size: .78rem; text-align: center; }

/* ------------------------------------------------------------- Breakpoints */

@media (min-width: 620px) {
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .codes-grid { grid-template-columns: repeat(4, 1fr); }
  .kpi-grid { grid-template-columns: repeat(3, 1fr); }
  .car-header { grid-template-columns: 300px 1fr; align-items: center; }
  .facts { grid-template-columns: 1fr 1fr; column-gap: 26px; }
}

@media (min-width: 860px) {
  .mainnav { display: flex; }
  .tabbar { display: none; }
  .foot { padding-bottom: 30px; }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .car-grid { grid-template-columns: repeat(2, 1fr); }
  .kpi-grid { grid-template-columns: repeat(6, 1fr); }
  .chart-row { grid-template-columns: 1fr 1fr; }
  .page-head h1 { font-size: 1.6rem; }
}

@media (min-width: 1120px) {
  .car-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 560px) {
  .hide-sm { display: none; }
  .card { padding: 15px; }
  .totals-value { font-size: 1.75rem; }
}

@media print {
  .topbar, .tabbar, .foot, .btn { display: none !important; }
  body { background: #fff; color: #000; }
  .card { border-color: #ccc; background: #fff; }
  .codes-grid code { background: #fff; border-color: #999; color: #000; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}