:root {
  --bg: #0b0f1a;
  --text: #e7eaf3;
  --muted: #aab1c4;
  --primary: #5b8cff;
  --primary-2: #8b5bff;
  --danger: #ff5b6b;
  --card: #131a2a;
  --card-2: #1a2236;
  --border: #26314e;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(91, 140, 255, 0.15), transparent 50%),
    radial-gradient(1200px 600px at 90% -20%, rgba(139, 91, 255, 0.12), transparent 50%),
    linear-gradient(180deg, #0b0f1a 0%, #0f1524 100%);
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  backdrop-filter: saturate(1.2) blur(8px);
  background-color: rgba(11, 15, 26, 0.7);
}

.header-left { min-height: 1px; }
.app-header .header-left { display: flex; align-items: center; gap: 0.5rem; }
.app-logo svg { width: 32px; height: 32px; display: block; }
.admin-badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  border: 1px solid #3a4b75;
  background: linear-gradient(180deg, #1a2236 0%, #202a42 100%);
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 600;
}
.header-title {
  margin: 0;
  text-align: center;
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.2px;
}
.header-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 0.5rem;
}
.action-btn {
  appearance: none;
  border: 1px solid var(--border);
  color: var(--text);
  background: linear-gradient(180deg, var(--card) 0%, var(--card-2) 100%);
  border-radius: 999px;
  padding: 0.5rem 0.9rem;
  font-size: 0.95rem;
  font-weight: 500;
  transition: transform 120ms ease, box-shadow 120ms ease, border-color 120ms ease;
}
.action-btn:hover { transform: translateY(-1px); border-color: #3a4b75; }
.action-btn:active { transform: translateY(0); }
.action-btn.danger { border-color: #5a2730; color: #ffd9de; background: linear-gradient(180deg, #2a0f14 0%, #36171f 100%); }
.action-btn.danger:hover { border-color: #7a3340; }

.content { padding: 1rem; }
.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

@media (max-width: 420px) {
  .grid { grid-template-columns: 1fr; }
}

.card {
  appearance: none;
  border: 1px solid var(--border);
  color: var(--text);
  background: linear-gradient(180deg, var(--card) 0%, var(--card-2) 100%);
  border-radius: 1rem;
  padding: 1.1rem 1rem;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.2px;
  text-align: center;
  min-height: 56px;
  box-shadow: 0 6px 16px rgba(0,0,0,0.25);
  transition: transform 140ms ease, box-shadow 140ms ease, border-color 140ms ease;
}
.btn-icon { display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; margin-right: 8px; color: var(--muted); }
.card .btn-icon svg { width: 20px; height: 20px; display: block; }
.card:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,0,0,0.3); border-color: #3a4b75; }
.card:active { transform: translateY(0); }
.card.active { border-color: var(--primary); box-shadow: 0 12px 28px rgba(91,140,255,0.3); }

.app-footer {
  padding: 1rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  text-align: center;
}

/* Login */
.hidden { display: none !important; }
.login { display: flex; justify-content: center; align-items: stretch; margin: 1rem 0; }
.login-form {
  width: 100%;
  max-width: 520px;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: linear-gradient(180deg, var(--card) 0%, var(--card-2) 100%);
  padding: 1rem;
  box-shadow: 0 6px 16px rgba(0,0,0,0.25);
}
.login-title { margin: 0 0 0.75rem; font-size: 1.1rem; font-weight: 700; }
.field { display: grid; gap: 0.35rem; margin-bottom: 0.75rem; }
.field label { color: var(--muted); font-size: 0.9rem; }
.field input, .field select {
  appearance: none;
  width: 100%;
  padding: 0.65rem 0.8rem;
  border-radius: 0.75rem;
  border: 1px solid var(--border);
  background: #0f1524;
  color: var(--text);
  font-size: 1rem;
}
.field input::placeholder { color: #7f879a; }
.action-btn.primary { border-color: #33416b; background: linear-gradient(180deg, #2a3350 0%, #2f3a5f 100%); }
.hint { margin: 0.5rem 0 0; color: var(--muted); font-size: 0.85rem; }
.message { margin: 0.5rem 0 0; font-size: 0.95rem; font-weight: 600; }

/* Benutzerbereich */
.user-dashboard { display: grid; gap: 1rem; }
.user-dashboard .settings-section h3 { margin: 0 0 0.5rem; font-size: 1.05rem; }
.tag.paid { background: #3aa76d; }
.tag.due { background: #7a8aa6; }

/* Screens */
.screen { display: block; }
.screen-header { display: flex; justify-content: space-between; align-items: center; gap: 0.75rem; margin: 0.25rem 0 0.75rem; }
.screen-header h2 { margin: 0; font-size: 1.2rem; font-weight: 700; }
/* Screen title group with info line under title */
.screen-title-group { display: grid; gap: 0.25rem; }

/* Daireler */
.daire-form {
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: linear-gradient(180deg, var(--card) 0%, var(--card-2) 100%);
  padding: 1rem;
  margin-bottom: 0.75rem;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.field.full { grid-column: 1 / -1; }
@media (max-width: 520px) { .form-grid { grid-template-columns: 1fr; } }
.form-actions { display: flex; gap: 0.5rem; }

/* Daireler form controls */
.daire-form .field select {
  appearance: none;
  width: 100%;
  padding: 0.65rem 0.8rem;
  border-radius: 0.75rem;
  border: 1px solid var(--border);
  background: #0f1524;
  color: var(--text);
  font-size: 1rem;
}
.daire-form .field.checkbox {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-top: 0.25rem;
}
.daire-form .field.checkbox input[type="checkbox"] { width: auto; position: absolute; opacity: 0; }
.daire-form .field.checkbox label {
  margin: 0;
  position: relative;
  padding-left: 28px;
  cursor: pointer;
  user-select: none;
}
.daire-form .field.checkbox label::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 18px;
  height: 18px;
  border: 1px solid var(--border);
  border-radius: 4px; /* rechteckig */
  background: linear-gradient(180deg, #0f1524 0%, #0d1320 100%);
  transform: translateY(-50%);
}
.daire-form .field.checkbox label::after {
  content: "✓";
  position: absolute;
  left: 2px;
  top: 50%;
  font-size: 14px;
  color: #fff;
  transform: translateY(-50%);
  opacity: 0;
}
.daire-form .field.checkbox input[type="checkbox"]:checked + label::before {
  background: var(--primary);
  border-color: var(--primary);
}
.daire-form .field.checkbox input[type="checkbox"]:checked + label::after { opacity: 1; }
.daire-form .field.checkbox input[type="checkbox"]:focus-visible + label::before { box-shadow: 0 0 0 2px #3a4b75; }

.tag {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  border-radius: 999px;
  padding: 0.1rem 0.5rem;
  font-size: 0.75rem;
  margin-left: 0.5rem;
}

.tag.pending { background: #7a8aa6; }
.tag.completed { background: #3aa76d; }
.tag.important { background: var(--danger); font-weight: 700; }
.tag.pinned { background: #e0b000; color: #111; font-weight: 700; }

.action-select {
  appearance: none;
  border: 1px solid var(--border);
  color: var(--text);
  background: linear-gradient(180deg, var(--card) 0%, var(--card-2) 100%);
  border-radius: 999px;
  padding: 0.45rem 0.6rem;
  font-size: 0.95rem;
}

.daire-list { display: grid; gap: 0.75rem; }
.daire-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: linear-gradient(180deg, var(--card) 0%, var(--card-2) 100%);
  padding: 0.9rem;
  box-shadow: 0 6px 16px rgba(0,0,0,0.25);
}
.daire-info { display: grid; gap: 0.2rem; }
.muted { color: var(--muted); font-size: 0.9rem; }
.empty { color: var(--muted); border: 1px dashed var(--border); border-radius: 1rem; padding: 1rem; text-align: center; }

/* Ayarlar */
.settings-section { margin: 1rem 0; }
.settings-section h3 { margin: 0 0 0.5rem; font-size: 1.05rem; }
.settings-form {
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: linear-gradient(180deg, var(--card) 0%, var(--card-2) 100%);
  padding: 1rem;
}
.settings-form .field { display: grid; gap: 0.35rem; }
.settings-form .field label { color: var(--muted); font-size: 0.9rem; }
.settings-form .field input, .settings-form .field select {
  appearance: none;
  width: 100%;
  padding: 0.65rem 0.8rem;
  border-radius: 0.75rem;
  border: 1px solid var(--border);
  background: #0f1524;
  color: var(--text);
  font-size: 1rem;
}
.user-list { display: grid; gap: 0.75rem; margin-top: 0.75rem; }
.user-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: linear-gradient(180deg, var(--card) 0%, var(--card-2) 100%);
  padding: 0.9rem;
  box-shadow: 0 6px 16px rgba(0,0,0,0.25);
}
.user-info { display: grid; gap: 0.2rem; }
.user-actions { display: flex; align-items: center; }

/* Aidatlar */
.aidat-list { display: grid; gap: 0.75rem; margin-top: 0.75rem; }
.aidat-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: linear-gradient(180deg, var(--card) 0%, var(--card-2) 100%);
  padding: 0.9rem;
  box-shadow: 0 6px 16px rgba(0,0,0,0.25);
}
.aidat-head { background: transparent; box-shadow: none; border-color: var(--border); }
.aidat-cell.no { font-weight: 600; }
.aidat-cell.tutar { text-align: right; }
.aidat-cell.durum { text-align: right; }

/* Aidatlar: Tabelle */
.aidat-table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.aidat-table thead th { text-align: left; font-weight: 600; font-size: 0.95rem; color: var(--muted); background: var(--card-2); padding: 12px 14px; border-bottom: 1px solid var(--border); }
.aidat-table tbody td { padding: 12px 14px; color: var(--text); border-bottom: 1px solid var(--border); }
.aidat-table tbody tr:last-child td { border-bottom: none; }
.aidat-table td.no { width: 20%; }
.aidat-table td.tutar { width: 30%; text-align: right; }
.aidat-table td.durum { width: 50%; text-align: right; }
.aidat-table .status { display: inline-block; }
.aidat-table tbody tr:nth-child(odd) { background: rgba(0, 0, 0, 0.02); }
.aidat-table tbody tr:hover { background: var(--card-2); }
.aidat-table td.islem { width: 20%; text-align: right; }

/* Aidatlar: Zusammenfassung */
.aidat-summary { margin-top: 0.75rem; }
.aidat-summary-lines { display: grid; grid-template-columns: 1fr; gap: 6px; }
.summary-line { display: flex; align-items: baseline; justify-content: space-between; background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 8px 12px; }
.summary-line .summary-label { font-weight: 600; color: var(--muted); }
.summary-line .summary-amount { font-weight: 700; color: var(--text); }
.aidat-summary-lines .summary-line + .summary-line { border-top: 2px solid var(--border); }

.status { display: inline-block; padding: 0.15rem 0.55rem; border-radius: 999px; font-size: 0.8rem; line-height: 1; border: 1px solid transparent; }
.status-paid { background: linear-gradient(180deg, #143016 0%, #1a4420 100%); color: #d6f5d8; border-color: #275a2c; }
.status-pending { background: linear-gradient(180deg, #2f2f3a 0%, #3a3a48 100%); color: #e7eaf3; border-color: #3a4b75; }
.status-open { background: linear-gradient(180deg, #2a0f14 0%, #36171f 100%); color: #ffd9de; border-color: #5a2730; }
/* Footer link */
.app-footer { display: flex; align-items: center; gap: 0.75rem; justify-content: center; padding: 0.75rem 0; }
.app-footer .footer-link { color: #ffd95e; text-decoration: none; cursor: pointer; font-weight: 600; }
.app-footer .footer-link:hover { color: #ffe58a; text-decoration: underline; }