:root {
  --bg: #1a1a2e;
  --bg-card: #16213e;
  --bg-input: #0f3460;
  --text: #e0e0e0;
  --text-muted: #8a8a9a;
  --accent: #e94560;
  --accent-hover: #ff6b81;
  --success: #2ecc71;
  --warning: #f39c12;
  --border: #2a2a4a;
  --radius: 8px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* Login */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.login-box {
  background: var(--bg-card);
  padding: 2.5rem;
  border-radius: var(--radius);
  width: 100%;
  max-width: 400px;
  border: 1px solid var(--border);
}

.login-box h1 {
  text-align: center;
  margin-bottom: 0.5rem;
  font-size: 2rem;
  color: var(--accent);
}

.login-box p {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

/* Layout */
.app-layout {
  display: none;
  grid-template-columns: 220px 1fr;
  min-height: 100vh;
}

.app-layout.aktiv { display: grid; }

/* Sidebar */
.sidebar {
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  padding: 1.5rem 0;
  display: flex;
  flex-direction: column;
}

.sidebar-header {
  padding: 0 1.5rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.sidebar-header h2 {
  color: var(--accent);
  font-size: 1.4rem;
}

.sidebar-header small {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.sidebar-nav {
  flex: 1;
  padding: 1rem 0;
}

.sidebar-nav button {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.75rem 1.5rem;
  border: none;
  background: none;
  color: var(--text);
  font-size: 0.95rem;
  cursor: pointer;
  text-align: left;
}

.sidebar-nav button:hover { background: var(--bg-input); }
.sidebar-nav button.aktiv { background: var(--bg-input); color: var(--accent); border-left: 3px solid var(--accent); }

.sidebar-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
}

.sidebar-footer .user-info {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

/* Main Content */
.main-content {
  padding: 2rem;
  overflow-y: auto;
}

.page { display: none; }
.page.aktiv { display: block; }

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.page-header h1 { font-size: 1.6rem; }

/* Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
}

.stat-card .zahl {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-card .label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Table */
.table-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th {
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
}

tr:last-child td { border-bottom: none; }
tr:hover { background: rgba(233, 69, 96, 0.05); }

/* Status Badges */
.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 500;
}

.badge-entwurf { background: #3a3a5a; color: var(--text-muted); }
.badge-angebot { background: #1a3a5a; color: #5dade2; }
.badge-beauftragt { background: #1a4a3a; color: var(--success); }
.badge-geplant { background: #3a3a1a; color: var(--warning); }
.badge-in_arbeit { background: #3a1a2a; color: var(--accent); }
.badge-abgeschlossen { background: #1a3a2a; color: var(--success); }

/* Forms */
input, select, textarea {
  width: 100%;
  padding: 0.6rem 0.8rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
}

label {
  display: block;
  margin-bottom: 0.3rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.form-group { margin-bottom: 1rem; }

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

/* Buttons */
.btn {
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: var(--radius);
  font-size: 0.95rem;
  cursor: pointer;
  font-family: inherit;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover { background: var(--accent-hover); }

.btn-ghost {
  background: none;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.btn-ghost:hover { border-color: var(--text); color: var(--text); }

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 100;
  align-items: center;
  justify-content: center;
}

.modal-overlay.aktiv { display: flex; }

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  width: 100%;
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
}

.modal h2 { margin-bottom: 1.5rem; }

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

/* Sprach-Switcher */
.lang-switch {
  display: flex;
  gap: 0.25rem;
  margin-top: 0.5rem;
}

.lang-switch button {
  padding: 0.2rem 0.5rem;
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-muted);
  font-size: 0.75rem;
  cursor: pointer;
}

.lang-switch button.aktiv {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3rem;
  color: var(--text-muted);
}

/* Kalkulation Layout */
.kalk-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 1.5rem;
  align-items: start;
}

.kalk-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

.kalk-card h3 {
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

.raum {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 1rem;
  overflow: hidden;
}

.raum-head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.8rem;
  background: var(--bg-input);
}

.raum-head input.raum-name {
  flex: 1;
  background: none;
  border: none;
  font-weight: 600;
  font-size: 1rem;
  padding: 0.2rem;
}

.raum-head input.raum-name:focus { background: var(--bg); }

.item-row {
  display: grid;
  grid-template-columns: 1fr 70px 70px auto 32px;
  gap: 0.5rem;
  align-items: center;
  padding: 0.4rem 0.8rem;
  border-top: 1px solid var(--border);
  position: relative;
}

.item-row input[type="text"], .item-row input[type="number"] {
  padding: 0.4rem 0.5rem;
  font-size: 0.9rem;
}

.item-row.mont input.item-name { color: #ff6b6b; }
.item-row.demo input.item-name { color: #f0b35b; }
.item-row.meh input.item-name { color: #6bd98a; }

.item-flags {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  font-size: 0.78rem;
  color: var(--text-muted);
  align-items: center;
}

.item-flags label { display: inline-flex; align-items: center; gap: 0.2rem; margin: 0; font-size: 0.78rem; }
.item-flags input { width: auto; }

.item-flags select {
  width: auto;
  padding: 0.2rem 0.4rem;
  font-size: 0.78rem;
}

.btn-del {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 0.2rem;
}
.btn-del:hover { color: var(--accent); }

.autocomplete-box {
  position: absolute;
  top: 100%;
  left: 0.8rem;
  right: 0.8rem;
  background: var(--bg-input);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  z-index: 50;
  max-height: 200px;
  overflow-y: auto;
}

.autocomplete-box div {
  padding: 0.4rem 0.6rem;
  cursor: pointer;
  font-size: 0.9rem;
  display: flex;
  justify-content: space-between;
}
.autocomplete-box div:hover, .autocomplete-box div.sel { background: var(--accent); color: #fff; }
.autocomplete-box small { color: var(--text-muted); }
.autocomplete-box div:hover small, .autocomplete-box div.sel small { color: #fff; }

.mengen-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.75rem;
}

.stellen-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.feld-reihe {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.6rem;
}
.feld-reihe > div { flex: 1; }

.checks {
  display: flex;
  gap: 1rem;
  margin: 0.5rem 0;
}
.checks label { display: inline-flex; align-items: center; gap: 0.3rem; margin: 0; color: var(--text); }
.checks input { width: auto; }

/* Ergebnis-Panel (sticky) */
.ergebnis-panel {
  position: sticky;
  top: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.ergebnis-panel h3 { margin-bottom: 1rem; }

.erg-zeile {
  display: flex;
  justify-content: space-between;
  padding: 0.35rem 0;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border);
}
.erg-zeile.klein { font-size: 0.82rem; color: var(--text-muted); border-bottom: none; padding: 0.15rem 0 0.15rem 0.8rem; }
.erg-zeile.erg-summe { font-weight: 600; margin-top: 0.6rem; }

.erg-brutto {
  display: flex;
  justify-content: space-between;
  margin-top: 0.8rem;
  padding-top: 0.8rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}

.erg-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: 0.2rem 0;
}

/* ============================================================
   Kalkulations-Oberflaeche (1:1-Port aus der HTML, Stern-Theme)
   ============================================================ */
.kalk-card h3 .leg { font-weight: 400; font-size: 0.72rem; color: var(--text-muted); margin-left: 0.4rem; }
.leg { font-size: 0.72rem; color: var(--text-muted); }
.addrow { display: flex; gap: 0.5rem; padding: 0.6rem 0 0; }
.btn.sm { padding: 0.25rem 0.6rem; font-size: 0.8rem; }
.xrem { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 1rem; padding: 0 0.3rem; }
.xrem:hover { color: var(--accent); }
.infobox { background: var(--bg-input); border: 1px solid var(--border); border-radius: var(--radius); padding: 0.5rem 0.7rem; font-size: 0.8rem; color: var(--text-muted); }
.field { margin-bottom: 0; }
.field label { font-size: 0.78rem; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0.6rem; }

/* Stationen */
.station { border: 1px solid var(--border); border-radius: var(--radius); padding: 0.8rem; margin-bottom: 0.8rem; background: var(--bg); }
.station .sh { display: flex; align-items: center; gap: 0.4rem; margin-bottom: 0.6rem; }
.station .sh .ord { color: var(--accent); font-weight: 700; }
.station .sh .grab { margin-left: auto; display: inline-flex; gap: 0.3rem; }
.chkrow { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; margin-top: 0.6rem; }
.chk { display: inline-flex; align-items: center; gap: 0.3rem; margin: 0; font-size: 0.82rem; color: var(--text); cursor: pointer; }
.chk input { width: auto; }
.chk.dis { opacity: 0.45; }

/* Leistungen */
.pos { display: flex; align-items: center; gap: 0.6rem; padding: 0.35rem 0; border-bottom: 1px solid var(--border); }
.pos .pl { flex: 1; display: flex; flex-wrap: wrap; align-items: center; }
.pos .pq { flex: 0 0 auto; font-size: 0.82rem; color: var(--text-muted); }
.pos .pq input { display: inline-block; width: 60px; }
.pos .pi { flex: 0 0 130px; text-align: right; font-size: 0.78rem; color: var(--text-muted); }

/* Material / Mengen-Tabellen */
.mtab { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.mtab th { padding: 0.35rem 0.5rem; font-size: 0.72rem; }
.mtab td { padding: 0.3rem 0.5rem; border-bottom: 1px solid var(--border); }
.mtab tr.weg td { opacity: 0.4; }
.mtab td.sum { text-align: right; white-space: nowrap; }
.mtab input[type="number"] { display: inline-block; }
.mengenfields { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.mf { display: flex; flex-direction: column; font-size: 0.78rem; color: var(--text-muted); }
.mf input { width: 90px; }

/* Inventarliste */
.room { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 0.8rem; overflow: hidden; }
.room .rh { display: flex; align-items: center; gap: 0.5rem; padding: 0.4rem 0.6rem; background: var(--bg-input); }
.room .rh input { flex: 1; background: none; border: none; font-weight: 600; }
.room .rh .rv { font-size: 0.82rem; color: var(--text-muted); white-space: nowrap; }
.rmeng { display: flex; flex-wrap: wrap; gap: 0.5rem; padding: 0.4rem 0.6rem; border-top: 1px solid var(--border); background: rgba(255,255,255,0.02); }
.rmeng label { display: flex; flex-direction: column; font-size: 0.72rem; color: var(--text-muted); margin: 0; }
.rmeng input { width: 64px; }
.it { display: flex; align-items: center; gap: 0.35rem; padding: 0.35rem 0.6rem; border-top: 1px solid var(--border); position: relative; }
.it .nm { width: 100%; }
.it.mont .nm { color: #ff6b6b; }
.it.demo .nm { color: #f0b35b; }
.it.meh .nm { color: #6bd98a; }
.it.warn .nm { border-color: var(--warning); }
.it .vol input { width: 70px; }
.it .step { display: inline-flex; align-items: center; gap: 0.2rem; }
.it .step button { width: 24px; height: 26px; border: 1px solid var(--border); background: var(--bg-input); color: var(--text); border-radius: 4px; cursor: pointer; }
.it .step .q { min-width: 22px; text-align: center; }
.tag { padding: 0.18rem 0.4rem; border-radius: 4px; font-size: 0.66rem; font-weight: 700; cursor: pointer; border: 1px solid var(--border); color: var(--text-muted); user-select: none; white-space: nowrap; }
.tag.on { background: var(--accent); color: #fff; border-color: var(--accent); }
.tag.mont.on { background: #ff6b6b; border-color: #ff6b6b; }
.tag.demo.on { background: #f0b35b; border-color: #f0b35b; color: #1a1a2e; }
.tag.meh.on, .tag.wm.on { background: #6bd98a; border-color: #6bd98a; color: #1a1a2e; }
.tag.dis { opacity: 0.35; pointer-events: none; }
.acbox { position: absolute; top: 100%; left: 0; right: 0; background: var(--bg-input); border: 1px solid var(--accent); border-radius: var(--radius); z-index: 50; max-height: 220px; overflow-y: auto; }
.acit { padding: 0.35rem 0.6rem; cursor: pointer; display: flex; justify-content: space-between; }
.acit.on, .acit:hover { background: var(--accent); color: #fff; }
.acit small { color: var(--text-muted); }
.acit.on small, .acit:hover small { color: #fff; }

/* Eingebettete v2 (Kalkulation) */
.kalk-frame { width: 100%; height: calc(100vh - 4rem); border: 0; border-radius: var(--radius); background: #16121a; display: block; }

/* Offline-Hinweisbalken */
.offline-banner { position: fixed; top: 0; left: 0; right: 0; background: var(--warning); color: #1a1a2e; text-align: center; padding: 0.4rem 1rem; font-size: 0.85rem; font-weight: 600; z-index: 300; display: none; }
.offline-banner.show { display: block; }

/* Toast */
.toast { position: fixed; left: 50%; bottom: 1.5rem; transform: translateX(-50%) translateY(2rem); background: var(--bg-card); border: 1px solid var(--accent); color: var(--text); padding: 0.6rem 1rem; border-radius: var(--radius); opacity: 0; pointer-events: none; transition: all 0.25s; z-index: 200; font-size: 0.9rem; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }