:root {
  --ink: #1a2e1f;
  --paper: #fafdf9;
  --paper-2: #eef7ed;
  --paper-3: #e2f0df;

  --accent: #2ecc71;
  --accent-dark: #25a55a;
  --accent-light: #d5f3e0;
  --accent-glow: rgba(46, 204, 113, 0.15);

  --muted: #6b7d6f;
  --border: #d4e5d6;
  --positive: #2ecc71;
  --negative: #e74c3c;
  --warning: #f39c12;
  --info: #3498db;

  --shadow: 0 1px 2px rgba(26,46,31,.04), 0 4px 16px rgba(26,46,31,.05);
  --shadow-lg: 0 4px 16px rgba(26,46,31,.08), 0 16px 32px rgba(26,46,31,.08);
}

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

body {
  font-family: 'Inter', sans-serif;
  background: var(--paper);
  color: var(--ink);
  min-height: 100vh;
  background-image:
    radial-gradient(circle at 10% 0%, rgba(46,204,113,.06) 0%, transparent 50%),
    radial-gradient(circle at 90% 100%, rgba(46,204,113,.04) 0%, transparent 50%);
}

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

/* ========== TOP NAV ========== */
.topnav {
  background: #fff;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 rgba(26,46,31,.04);
}
.topnav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 14px 28px;
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.brand-link {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
}
.brand-link:hover { text-decoration: none; }
.brand-mark {
  width: 28px; height: 28px;
  background: var(--accent);
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: #fff;
  box-shadow: 0 2px 6px var(--accent-glow);
}
.brand-mark::before { content: "🏠"; filter: grayscale(1) brightness(2); font-size: 14px; }
.brand-name {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.01em;
}
.brand-name .sep { color: var(--accent); font-weight: 300; margin: 0 4px; }
.brand-name .tool { font-style: italic; color: var(--accent-dark); font-weight: 500; }

.navlinks {
  display: flex;
  gap: 24px;
  flex: 1;
}
.navlinks a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: color .15s, border-color .15s;
}
.navlinks a:hover { color: var(--accent-dark); text-decoration: none; border-bottom-color: var(--accent); }
.navlinks a.admin-link { color: var(--accent-dark); font-weight: 600; }

.usermenu {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
}
.username { color: var(--muted); }
.logout {
  font-size: 13px;
  color: var(--muted);
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
}
.logout:hover { background: var(--ink); color: #fff; text-decoration: none; }

/* ========== CONTAINER ========== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px 28px 48px;
}

/* ========== FLASH MESSAGES ========== */
.flash {
  padding: 14px 18px;
  border-radius: 6px;
  margin-bottom: 20px;
  font-size: 14px;
}
.flash-success { background: var(--accent-light); border-left: 3px solid var(--accent); color: var(--accent-dark); }
.flash-error   { background: #fdecea; border-left: 3px solid var(--negative); color: #c0392b; }
.flash-warning { background: #fff5e0; border-left: 3px solid var(--warning); color: #b87a00; }
.flash-info    { background: #e8f4fb; border-left: 3px solid var(--info); color: #2271a8; }

/* ========== PAGE HEADER ========== */
.page-header {
  border-bottom: 2px solid var(--ink);
  padding-bottom: 20px;
  margin-bottom: 32px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 16px;
}
.page-header .label {
  font-size: 13px;
  color: var(--accent-dark);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 600;
}
.page-header h1 {
  font-family: 'Fraunces', serif;
  font-weight: 500;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-top: 4px;
}
.page-header h1 em { font-style: italic; color: var(--accent-dark); font-weight: 400; }
.page-header .subtitle { color: var(--muted); font-size: 14px; margin-top: 4px; }
.page-header .actions { display: flex; gap: 12px; }

/* ========== CARDS ========== */
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px 32px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}
.card-title {
  font-family: 'Fraunces', serif;
  font-size: 22px;
  font-weight: 500;
  margin-bottom: 4px;
}
.card-sub { font-size: 13px; color: var(--muted); margin-bottom: 20px; }

/* ========== STAT CARDS ========== */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}
.stat-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  box-shadow: var(--shadow);
  transition: transform .15s, box-shadow .15s, border-color .15s;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
.stat-card .label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  font-weight: 600;
}
.stat-card .value {
  font-family: 'Fraunces', serif;
  font-size: 36px;
  font-weight: 600;
  line-height: 1.1;
  margin-top: 6px;
  color: var(--ink);
}
.stat-card .value.accent { color: var(--accent-dark); }
.stat-card .hint { font-size: 12px; color: var(--muted); margin-top: 4px; }

/* ========== FORMS ========== */
label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}
input[type="text"], input[type="email"], input[type="password"],
input[type="number"], input[type="date"], input[type="tel"],
input[type="url"], textarea, select {
  width: 100%;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: #fff;
  color: var(--ink);
  transition: border-color .15s, box-shadow .15s;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
textarea { resize: vertical; min-height: 80px; line-height: 1.55; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.form-group { margin-bottom: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

.hint {
  font-size: 12px;
  color: var(--muted);
  font-style: italic;
  margin-top: 4px;
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 500;
  padding: 11px 22px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: #fff;
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  transition: all .15s;
}
.btn:hover { background: var(--accent-dark); border-color: var(--accent-dark); text-decoration: none; }
.btn-primary { background: var(--accent); border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn-secondary { background: transparent; color: var(--ink); }
.btn-secondary:hover { background: var(--ink); color: #fff; }
.btn-danger { background: var(--negative); border-color: var(--negative); color: #fff; }
.btn-danger:hover { background: #c0392b; border-color: #c0392b; }
.btn-small { padding: 6px 14px; font-size: 13px; }
.btn-block { display: flex; width: 100%; justify-content: center; }

.actions { display: flex; gap: 12px; }
.actions-end { display: flex; gap: 12px; justify-content: flex-end; margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--border); }

/* ========== TABLES ========== */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.table thead th {
  text-align: left;
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding: 12px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--paper-2);
}
.table tbody td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.table tbody tr { transition: background .12s; }
.table tbody tr:hover { background: var(--paper-2); }
.table .num { text-align: right; font-variant-numeric: tabular-nums; }

.badge {
  display: inline-block;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 999px;
}
.badge-success { background: var(--accent-light); color: var(--accent-dark); }
.badge-warning { background: #fff5e0; color: #b87a00; }
.badge-info    { background: #e8f4fb; color: #2271a8; }
.badge-muted   { background: var(--paper-2); color: var(--muted); }

/* Clickable rows */
.table tbody tr.clickable { cursor: pointer; }
.table tbody tr.clickable:hover { background: var(--accent-light); }

/* ========== EMPTY STATE ========== */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--muted);
}
.empty-state .icon { font-size: 48px; margin-bottom: 12px; opacity: 0.4; }
.empty-state h3 {
  font-family: 'Fraunces', serif;
  font-size: 22px;
  color: var(--ink);
  margin-bottom: 8px;
  font-weight: 500;
}

/* ========== GUEST PAGES ========== */
body.guest {
  background:
    linear-gradient(135deg, var(--paper) 0%, var(--paper-3) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 16px;
}
.guest-wrap { width: 100%; max-width: 440px; }
.guest-header { text-align: center; margin-bottom: 24px; }
.guest-header .brand {
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-dark);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.guest-header h1 {
  font-family: 'Fraunces', serif;
  font-weight: 500;
  font-size: 44px;
  letter-spacing: -0.02em;
  margin-top: 6px;
  line-height: 1.05;
}
.guest-header h1 .sep { color: var(--accent); font-weight: 300; margin: 0 6px; }
.guest-header h1 em { font-style: italic; color: var(--accent-dark); font-weight: 400; }
.guest-header .subtitle { color: var(--muted); font-size: 14px; margin-top: 6px; }

.guest-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px;
  box-shadow: var(--shadow-lg);
}
.guest-card h2 {
  font-family: 'Fraunces', serif;
  font-size: 22px;
  font-weight: 500;
  margin-bottom: 6px;
}
.guest-card .lead { font-size: 13px; color: var(--muted); margin-bottom: 20px; }
.guest-card .form-links {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  margin-top: 12px;
  flex-wrap: wrap;
  gap: 8px;
}

.guest-footer { text-align: center; margin-top: 24px; font-size: 12px; color: var(--muted); }

/* ========== FOOTER ========== */
.footer {
  text-align: center;
  padding: 24px 16px;
  font-size: 12px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  margin-top: 32px;
}

/* ========== TABS ========== */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
  gap: 4px;
  flex-wrap: wrap;
}
.tabs a {
  padding: 10px 16px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.tabs a:hover { color: var(--accent-dark); text-decoration: none; }
.tabs a.active {
  color: var(--ink);
  border-bottom-color: var(--accent);
  font-weight: 600;
}

/* ========== UTILITIES ========== */
.text-muted { color: var(--muted); }
.text-right { text-align: right; }
.text-center { text-align: center; }
.font-mono { font-family: 'SF Mono', Menlo, Consolas, monospace; }
.value-eur { font-variant-numeric: tabular-nums; font-weight: 500; }

.mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; } .mb-2 { margin-bottom: 16px; } .mb-3 { margin-bottom: 24px; }

.section-title {
  font-family: 'Fraunces', serif;
  font-size: 18px;
  font-weight: 500;
  margin-top: 24px;
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}
.section-title:first-child { margin-top: 0; }

.dl { display: grid; grid-template-columns: 200px 1fr; gap: 10px 24px; font-size: 14px; }
.dl dt { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; align-self: center; }
.dl dd { font-weight: 500; }

/* Mieter Avatar */
.avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--accent-light);
  color: var(--accent-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
  flex-shrink: 0;
}
.avatar-lg { width: 64px; height: 64px; font-size: 22px; }
.with-avatar { display: flex; align-items: center; gap: 12px; }

/* Vertrags-Editor §-Blöcke */
.paragraph-block {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px 20px;
  margin-bottom: 12px;
  transition: border-color .15s;
}
.paragraph-block:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.paragraph-block .ph-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  gap: 12px;
}
.paragraph-block .ph-num {
  font-family: 'Fraunces', serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-dark);
  letter-spacing: 0.05em;
}
.paragraph-block input.ph-titel {
  font-family: 'Fraunces', serif;
  font-weight: 500;
  font-size: 16px;
  border: none;
  padding: 4px 8px;
  background: transparent;
  flex: 1;
  border-bottom: 1px dashed transparent;
}
.paragraph-block input.ph-titel:hover { border-bottom-color: var(--border); }
.paragraph-block input.ph-titel:focus { border-bottom-color: var(--accent); box-shadow: none; }
.paragraph-block textarea {
  width: 100%;
  border: 1px dashed var(--border);
  background: var(--paper);
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  line-height: 1.6;
  padding: 12px;
  min-height: 90px;
  border-radius: 4px;
}
.paragraph-block textarea:hover { background: #fff; border-style: solid; }
.paragraph-block textarea:focus { background: #fff; border-color: var(--accent); border-style: solid; }
.paragraph-block .ph-reset {
  font-size: 11px;
  color: var(--muted);
  background: none;
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: all .15s;
}
.paragraph-block .ph-reset:hover { color: var(--accent-dark); border-color: var(--accent); }
.paragraph-block.collapsed textarea { display: none; }
.paragraph-block.collapsed { padding: 12px 20px; }

/* Upload-Box prominent */
.upload-box {
  background: linear-gradient(135deg, var(--accent-light) 0%, #fff 100%);
  border: 2px dashed var(--accent);
  border-radius: 8px;
  padding: 24px;
  text-align: center;
  margin: 16px 0;
}
.upload-box .icon { font-size: 36px; margin-bottom: 8px; }
.upload-box h3 {
  font-family: 'Fraunces', serif;
  font-weight: 500;
  font-size: 18px;
  color: var(--accent-dark);
  margin-bottom: 6px;
}
.upload-box p { color: var(--muted); font-size: 13px; margin-bottom: 12px; }

@media (max-width: 768px) {
  .topnav-inner { padding: 12px 16px; gap: 16px; }
  .navlinks { width: 100%; order: 3; gap: 16px; }
  .container { padding: 20px 16px 32px; }
  .card { padding: 20px; }
  .dl { grid-template-columns: 1fr; gap: 4px; }
  .dl dd { margin-bottom: 12px; }
}