/* Basislayout */

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

html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  overflow-x: hidden;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #0f172a 0, #020617 45%, #020617 100%);
  color: #e5e7eb;
}

/* App-Container */

.app {
  min-height: 100vh;
  max-width: 960px;
  margin: 0 auto;
  padding: 16px;
}

/* Header */

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.app-header h1 {
  margin: 0;
  font-size: 1.5rem;
}

.subtitle {
  margin: 4px 0 0;
  font-size: 0.9rem;
  color: #9ca3af;
}

/* Balance-Box */

.balance-box {
  background: linear-gradient(135deg, #0f766e, #22c55e);
  padding: 10px 14px;
  border-radius: 12px;
  color: #ecfdf5;
  min-width: 0;
}

.balance-label {
  font-size: 0.8rem;
  opacity: 0.9;
}

.balance-value {
  font-size: 1.4rem;
  font-weight: 700;
  margin-top: 2px;
}

.balance-sub {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
  font-size: 0.8rem;
}

/* Karten / Sektionen */

main {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card {
  background: rgba(15, 23, 42, 0.9);
  border-radius: 12px;
  padding: 12px;
  box-shadow: 0 14px 35px rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.25);
}

.card h2 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}
/* Collapsible Cards */

.card-collapsible .card-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.card-collapsible .card-header-row h2 {
  margin: 0;
}

.card-body.collapsed {
  display: none;
}

/* kleinerer "Tertiary"-Button für Ein-/Ausblenden */
.btn.tertiary {
  background: transparent;
  border: 1px solid rgba(148, 163, 184, 0.5);
  color: #e5e7eb;
  font-size: 0.8rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
}

.btn.tertiary:hover {
  background: rgba(148, 163, 184, 0.1);
}

/* Mobile: Cards etwas kompakter */
@media (max-width: 600px) {
  .card-collapsible {
    padding: 0.75rem 0.85rem;
  }

  .card-collapsible .card-header-row h2 {
    font-size: 1rem;
  }

  .card-collapsible .card-body {
    margin-top: 0.4rem;
  }
}

/* Text / Hinweise */

.hint {
  font-size: 0.85rem;
  color: #9ca3af;
}

/* Formulare */

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px 12px;
  margin-top: 8px;
}

.form-grid label {
  display: flex;
  flex-direction: column;
  font-size: 0.85rem;
  color: #cbd5f5;
  gap: 4px;
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="month"],
select {
  padding: 7px 8px;
  border-radius: 8px;
  border: 1px solid #4b5563;
  background: #020617;
  color: #e5e7eb;
  font-size: 0.9rem;
  width: 100%;
}

input::placeholder {
  color: #6b7280;
}

input:focus,
select:focus {
  outline: 2px solid #22c55e;
  outline-offset: 1px;
  border-color: transparent;
}

/* Buttons */

.btn {
  border: none;
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: transform 0.05s ease, box-shadow 0.1s ease, background 0.1s ease;
  white-space: nowrap;
}

.btn.primary {
  background: linear-gradient(135deg, #22c55e, #16a34a);
  color: #022c22;
  font-weight: 600;
  box-shadow: 0 8px 18px rgba(22, 163, 74, 0.5);
}

.btn.secondary {
  background: #111827;
  color: #e5e7eb;
  border: 1px solid #4b5563;
}

.btn.danger {
  background: #7f1d1d;
  color: #fee2e2;
  border: 1px solid #b91c1c;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.6);
}

.btn:active {
  transform: translateY(0);
  box-shadow: none;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  margin-top: 4px;
}

/* Filter */

.filter-grid {
  display: grid;
  grid-template-columns: 1.3fr 1.7fr auto;
  gap: 8px;
  align-items: end;
}

/* Tabelle */

.table-wrapper {
  width: 100%;
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  min-width: 100%;
  table-layout: fixed;
}

.data-table thead {
  background: #020617;
}

.data-table th,
.data-table td {
  padding: 6px 6px;
  border-bottom: 1px solid rgba(55, 65, 81, 0.7);
  text-align: left;
  vertical-align: top;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.data-table th:last-child,
.data-table td:last-child {
  text-align: right;
}

.data-table tbody tr:nth-child(even) {
  background: rgba(15, 23, 42, 0.7);
}

/* Tags für Einnahme/Ausgabe */

.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 500;
}

.tag.income {
  background: rgba(22, 163, 74, 0.2);
  color: #bbf7d0;
  border: 1px solid rgba(22, 163, 74, 0.8);
}

.tag.expense {
  background: rgba(220, 38, 38, 0.15);
  color: #fecaca;
  border: 1px solid rgba(220, 38, 38, 0.7);
}

/* Sonstiges */

.error-text {
  color: #fca5a5;
  font-size: 0.8rem;
  margin-top: 4px;
}

.hidden {
  display: none !important;
}

/* ---------- Mobile Optimierung ---------- */

@media (max-width: 600px) {

  .app {
    padding: 10px;
  }

  .app-header {
    flex-direction: column;
    align-items: stretch;
  }

  .balance-box {
    width: 100%;
  }

  main {
    gap: 10px;
  }

  .card {
    padding: 10px;
  }

  .form-grid {
    grid-template-columns: 1fr; /* alles untereinander */
  }

  .filter-grid {
    grid-template-columns: 1fr;
  }

  .filter-grid .btn {
    width: 100%;
    justify-content: center;
  }

  .data-table {
    font-size: 0.8rem;
  }

  .data-table th,
  .data-table td {
    padding: 5px 4px;
  }

  /* Buttons in der Tabelle etwas kompakter */
  .data-table .btn {
    padding: 3px 8px;
    font-size: 0.7rem;
  }

  .balance-value {
    font-size: 1.2rem;
  }
}

/* Etwas enger bei sehr kleinen Geräten */

@media (max-width: 400px) {
  .app {
    padding: 8px;
  }

  .app-header h1 {
    font-size: 1.2rem;
  }

  .subtitle {
    font-size: 0.8rem;
  }
}
@media (max-width: 600px) {

  /* ... deine bisherigen mobilen Regeln ... */

  .table-wrapper {
    overflow-x: visible; /* kein Seitenscrollen */
  }

  .data-table {
    border-collapse: separate;
    border-spacing: 0 8px;
  }

  .data-table thead {
    display: none; /* Kopfzeile ausblenden */
  }

  .data-table tr {
    display: block;
    background: rgba(15, 23, 42, 0.95);
    border-radius: 10px;
    padding: 6px 8px;
    margin-bottom: 8px;
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.7);
	border: 1px dashed rgba(148, 163, 184, 0.5);
  }

  .data-table td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: none;
    padding: 4px 2px;
    font-size: 0.8rem;
  }

  .data-table td::before {
    content: attr(data-label);
    font-weight: 600;
    color: #9ca3af;
    margin-right: 8px;
    font-size: 0.75rem;
    flex-shrink: 0;
  }

  /* Buttons in der Kartenansicht kompakter */
  .data-table td .btn {
    padding: 3px 10px;
    font-size: 0.7rem;
  }
}