@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&display=swap');

:root {
  --gold: #d4af37;
  --gold-light: #e8cc6a;
  --gold-dark: #a88a20;
  --black: #0a0a0a;
  --black-mid: #141414;
  --black-soft: #1e1e1e;
  --black-card: #181818;
  --white: #ffffff;
  --gray: #888888;
  --gray-light: #cccccc;
  --border: rgba(212,175,55,0.25);
  --red: #e05252;
  --green: #52e07a;
}

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

body {
  font-family: 'Montserrat', sans-serif;
  background: var(--black);
  color: var(--white);
  min-height: 100vh;
  -webkit-print-color-adjust: exact;
  print-color-adjust: exact;
}

a { color: var(--gold); text-decoration: none; }
a:hover { color: var(--gold-light); }

/* ── Nav ── */
nav {
  background: var(--black-mid);
  border-bottom: 2px solid var(--gold);
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.nav-brand { font-weight: 800; font-size: 1rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--gold); }
.nav-links { display: flex; gap: 24px; }
.nav-links a { font-size: 0.85rem; font-weight: 500; color: var(--gray-light); }
.nav-links a:hover, .nav-links a.active { color: var(--gold); }

/* ── Page container ── */
.page { max-width: 1100px; margin: 0 auto; padding: 32px 24px; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: 6px; font-family: inherit;
  font-size: 0.85rem; font-weight: 600; cursor: pointer;
  border: none; transition: all 0.2s;
}
.btn-primary { background: var(--gold); color: var(--black); }
.btn-primary:hover { background: var(--gold-light); }
.btn-secondary { background: transparent; color: var(--gold); border: 1px solid var(--border); }
.btn-secondary:hover { background: rgba(212,175,55,0.1); }
.btn-danger { background: transparent; color: var(--red); border: 1px solid var(--red); }
.btn-sm { padding: 6px 12px; font-size: 0.78rem; }

/* ── Cards ── */
.card {
  background: var(--black-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
}

/* ── Tables ── */
table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
th {
  text-align: left; padding: 10px 14px;
  color: var(--gold); font-weight: 600;
  border-bottom: 2px solid var(--border);
  text-transform: uppercase; font-size: 0.72rem; letter-spacing: 0.05em;
}
td { padding: 12px 14px; border-bottom: 1px solid rgba(255,255,255,0.05); }
tr:hover td { background: rgba(212,175,55,0.04); }

/* ── Status badges ── */
.badge {
  display: inline-block; padding: 3px 10px; border-radius: 20px;
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em;
}
.badge-open    { background: rgba(212,175,55,0.15); color: var(--gold); }
.badge-paid    { background: rgba(82,224,122,0.15); color: var(--green); }
.badge-overdue { background: rgba(224,82,82,0.15);  color: var(--red); }

/* ── Form elements ── */
.form-group { margin-bottom: 18px; }
label { display: block; font-size: 0.8rem; font-weight: 600; color: var(--gray-light); margin-bottom: 6px; }
input, select, textarea {
  width: 100%; padding: 10px 14px;
  background: var(--black-soft); border: 1px solid var(--border);
  border-radius: 6px; color: var(--white); font-family: inherit; font-size: 0.9rem;
  transition: border-color 0.2s;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--gold);
}
select option { background: var(--black-soft); }

/* ── Stats row ── */
.stats { display: flex; gap: 16px; margin-bottom: 28px; }
.stat-card {
  flex: 1; background: var(--black-card); border: 1px solid var(--border);
  border-radius: 8px; padding: 16px 20px;
}
.stat-value { font-size: 1.8rem; font-weight: 800; color: var(--gold); }
.stat-label { font-size: 0.75rem; color: var(--gray); text-transform: uppercase; letter-spacing: 0.05em; margin-top: 4px; }

/* ── Alert ── */
.alert { padding: 12px 16px; border-radius: 6px; font-size: 0.85rem; margin-bottom: 16px; }
.alert-error { background: rgba(224,82,82,0.15); color: var(--red); border: 1px solid var(--red); }

/* ── Print ── */
@page {
  size: A4 portrait;
  margin: 15mm;
}

@media print {
  /* UI-Elemente ausblenden */
  nav, .no-print { display: none !important; }

  /* Seiten-Grundlayout */
  html, body {
    background: #ffffff !important;
    color: #1a1a1a !important;
  }
  .page { max-width: 100%; padding: 0; margin: 0; }
  .invoice-document {
    max-width: 100% !important;
    margin: 0 !important;
    border: none !important;
    border-radius: 0 !important;
    overflow: visible !important;
  }

  /* CSS-Variablen für helles Drucklayout überschreiben.
     Alle Inline-Styles im Template, die var(--...) verwenden,
     erhalten dadurch automatisch druckfreundliche Werte. */
  :root {
    --gold:       #c9a227;   /* Gold bleibt Akzentfarbe, etwas gesättigter auf Weiß */
    --gold-light: #c9a227;
    --gold-dark:  #a07820;
    --black:      #f7f7f7;   /* Kopfzeile der Rechnung → sehr helles Grau */
    --black-mid:  #ffffff;   /* Dokumenthintergrund → Weiß */
    --black-soft: #f5f5f5;
    --black-card: #ffffff;
    --white:      #1a1a1a;   /* Haupttext → fast Schwarz */
    --gray:       #555555;
    --gray-light: #333333;
    --border:     #dddddd;   /* Rahmen → helles Grau */
    --red:        #cc2222;
    --green:      #228822;
  }

  /* Hardkodierte rgba-Hintergründe der Meta-Boxen und Bankverbindung */
  .inv-meta-box,
  .inv-bank {
    background: #f9f9f9 !important;
    border: 1px solid #dddddd !important;
  }

  /* Tabelle */
  tr:hover td { background: transparent !important; }
  td { border-bottom-color: #eeeeee !important; }
  th { border-bottom-color: #cccccc !important; }
}