/* Alpenkabel Portal – Farben von alpenkabel.com:
   Blau #0050bd, Schiefer #45576d, Dunkel #1a1b1f, Rot-Akzent #a4343a */
:root {
  --blau: #0050bd;
  --schiefer: #45576d;
  --dunkel: #1a1b1f;
  --rot: #a4343a;
  --grau: #7f95a0;
  --flaeche: #f4f7fa;
  --linie: #dfe6ee;
  --heading: "Instrument Sans", "Segoe UI", system-ui, sans-serif;
  --text: "Istok Web", "Segoe UI", system-ui, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--text); color: var(--dunkel); background: var(--flaeche); font-size: 15px; }
h1, h2, h3 { font-family: var(--heading); color: var(--schiefer); font-weight: 600; }
a { color: var(--blau); }

/* ---------- Login ---------- */
.login-page {
  min-height: 100vh;
  background: linear-gradient(160deg, var(--dunkel) 0%, var(--schiefer) 70%, #5a708a 100%);
}
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.login-card {
  background: #fff; border-radius: 10px; padding: 44px 40px; width: 100%; max-width: 420px;
  box-shadow: 0 24px 60px rgba(0,0,0,.35);
  border-top: 4px solid var(--rot);
}
.login-logo { width: 100%; max-width: 300px; display: block; margin: 0 auto 10px; }
.claim { text-align: center; color: var(--grau); font-size: 12.5px; letter-spacing: .04em; margin-bottom: 26px; }
.login-card h1 { font-size: 19px; margin-bottom: 18px; text-align: center; }
.login-card label { display: block; font-size: 13px; color: var(--schiefer); margin: 14px 0 5px; font-weight: 600; }
.login-card input {
  width: 100%; padding: 11px 12px; border: 1px solid var(--linie); border-radius: 6px; font-size: 15px;
}
.login-card input:focus { outline: 2px solid var(--blau); border-color: var(--blau); }
.login-card button {
  width: 100%; margin-top: 22px; padding: 12px; border: 0; border-radius: 6px; cursor: pointer;
  background: var(--blau); color: #fff; font-size: 15px; font-family: var(--heading); font-weight: 600;
}
.login-card button:hover { background: #003f96; }
.login-hint { margin-top: 18px; text-align: center; font-size: 12px; color: var(--grau); }

/* ---------- App-Layout ---------- */
.shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 240px; flex-shrink: 0; background: var(--dunkel); color: #fff;
  display: flex; flex-direction: column; padding: 22px 0;
}
.sidebar-logo { width: 180px; margin: 0 auto 28px; display: block; }
.sidebar nav { display: flex; flex-direction: column; }
.sidebar nav a {
  color: #c8d2dd; text-decoration: none; padding: 11px 24px; font-size: 14.5px;
  border-left: 3px solid transparent;
}
.sidebar nav a:hover { background: rgba(255,255,255,.06); color: #fff; }
.sidebar nav a.active { background: rgba(0,80,189,.25); border-left-color: var(--rot); color: #fff; font-weight: 600; }
.sidebar nav a.disabled { color: #5d6772; pointer-events: none; }
.soon { font-size: 10px; background: #32343a; border-radius: 8px; padding: 2px 7px; margin-left: 6px; vertical-align: middle; }
.sidebar-footer { margin-top: auto; padding: 16px 24px 0; border-top: 1px solid #32343a; font-size: 12.5px; }
.sidebar-footer .user { color: #8fa0b0; margin-bottom: 6px; word-break: break-all; }
.sidebar-footer .logout { color: #c8d2dd; }

.content { flex: 1; padding: 34px 40px; max-width: 1100px; }
.page-head { margin-bottom: 24px; }
.page-head h1 { font-size: 24px; }
.sub { color: var(--grau); font-size: 13.5px; margin-top: 4px; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 16px; }
.card { background: #fff; border: 1px solid var(--linie); border-radius: 10px; padding: 22px 24px; margin-bottom: 16px; }
.cards .card { margin-bottom: 0; }
.card h2 { font-size: 16px; margin-bottom: 10px; }
.stat .stat-value { font-family: var(--heading); font-size: 30px; font-weight: 700; color: var(--blau); }
.stat.accent .stat-value { color: var(--rot); }
.stat .stat-label { color: var(--grau); font-size: 13px; margin-top: 4px; }
ul.plain { list-style: none; margin: 6px 0 10px; }
ul.plain li { padding: 6px 0; border-bottom: 1px solid var(--flaeche); font-size: 14px; }

.btn {
  display: inline-block; margin-top: 8px; background: var(--blau); color: #fff; text-decoration: none;
  padding: 10px 18px; border-radius: 6px; font-family: var(--heading); font-weight: 600; font-size: 14px;
}
.btn:hover { background: #003f96; }

/* ---------- Berechnung ---------- */
.calc-grid { display: grid; grid-template-columns: 380px 1fr; gap: 16px; align-items: start; }
.calc-form label { display: block; font-size: 13px; font-weight: 600; color: var(--schiefer); margin: 14px 0 5px; }
.calc-form label:first-child { margin-top: 0; }
.calc-form select, .calc-form input {
  width: 100%; padding: 10px 11px; border: 1px solid var(--linie); border-radius: 6px; font-size: 14px; background: #fff;
}
.calc-form select:focus, .calc-form input:focus { outline: 2px solid var(--blau); border-color: var(--blau); }
.calc-form button {
  width: 100%; margin-top: 20px; padding: 12px; border: 0; border-radius: 6px; cursor: pointer;
  background: var(--rot); color: #fff; font-family: var(--heading); font-weight: 600; font-size: 15px;
}
.calc-form button:hover { background: #8d2c31; }

table.result { width: 100%; border-collapse: collapse; margin-top: 14px; font-size: 14.5px; }
table.result td { padding: 9px 4px; border-bottom: 1px solid var(--flaeche); }
table.result td:last-child { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
table.result tr.total td { font-weight: 700; border-top: 2px solid var(--linie); }
table.result tr.grand td { font-weight: 700; color: var(--blau); font-size: 16px; }
.empty { color: var(--grau); padding: 30px 10px; text-align: center; }

.flash {
  background: #fdf0f0; border: 1px solid var(--rot); color: var(--rot);
  padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; font-size: 14px;
}

.logout-mobile { display: none; }

@media (max-width: 900px) {
  .shell { flex-direction: column; }
  .sidebar {
    width: 100%; flex-direction: row; align-items: center; padding: 8px 6px;
    position: sticky; top: 0; z-index: 10;
  }
  .sidebar-logo { width: 116px; margin: 0 8px 0 6px; }
  .sidebar nav { flex-direction: row; flex: 1; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .sidebar nav a {
    padding: 10px 12px; border-left: 0; border-bottom: 3px solid transparent; white-space: nowrap;
  }
  .sidebar nav a.active { border-left: 0; border-bottom-color: var(--rot); }
  .sidebar nav a.disabled { display: none; }
  .logout-mobile { display: block; margin-left: auto; }
  .sidebar-footer { display: none; }
  .content { padding: 18px 14px; }
  .calc-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .login-wrap { padding: 14px; align-items: flex-start; padding-top: 8vh; }
  .login-card { padding: 28px 20px; }
  .login-logo { max-width: 230px; }
  .content { padding: 14px 10px; }
  .page-head h1 { font-size: 20px; }
  .cards { grid-template-columns: 1fr 1fr; gap: 10px; }
  .card { padding: 16px; }
  .stat .stat-value { font-size: 24px; }
  /* 16px verhindert Auto-Zoom von iOS beim Fokussieren */
  input, select, button { font-size: 16px !important; }
  table.result { font-size: 13px; }
  table.result td { padding: 8px 2px; }
}