:root {
  color-scheme: light;
  --surface-1: #fcfcfb;
  --page-plane: #f9f9f7;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #898781;
  --border: rgba(11, 11, 11, 0.1);
  --gridline: #e1e0d9;
  --primary: #2a78d6;
  --primary-dark: #1c5cab;
  --danger: #d03b3b;
  --danger-dark: #a92d2d;
  --status-good: #0ca30c;
  --status-good-dark: #087a08;
  --status-warning: #b8860b;
  --status-warning-dark: #96700a;
  --radius: 10px;
  --radius-lg: 14px;
  --shadow-card: 0 1px 2px rgba(11, 11, 11, 0.04), 0 4px 14px rgba(11, 11, 11, 0.05);
  --shadow-modal: 0 10px 40px rgba(11, 11, 11, 0.22);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --surface-1: #1a1a19;
    --page-plane: #0d0d0d;
    --text-primary: #ffffff;
    --text-secondary: #c3c2b7;
    --text-muted: #898781;
    --border: rgba(255, 255, 255, 0.1);
    --gridline: #2c2c2a;
    --primary: #3987e5;
    --primary-dark: #63a3ec;
    --danger: #e66767;
    --danger-dark: #ef8a8a;
    --status-good: #0ca30c;
    --status-good-dark: #3fc23f;
    --status-warning: #eda100;
    --status-warning-dark: #f5b73c;
    --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.3), 0 4px 14px rgba(0, 0, 0, 0.35);
    --shadow-modal: 0 10px 40px rgba(0, 0, 0, 0.5);
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--page-plane);
  color: var(--text-primary);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Login ---------- */

.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1rem;
}

.login-box {
  background: var(--surface-1);
  border: 1px solid var(--border);
  padding: 2.5rem 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  width: 100%;
  max-width: 320px;
  text-align: center;
}

.login-box .emoji {
  font-size: 2.25rem;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.login-box h1 {
  margin: 0;
  font-size: 1.3rem;
  letter-spacing: -0.01em;
}

.login-box form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.login-box input {
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  background: var(--page-plane);
  color: var(--text-primary);
}

.login-box input:focus {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
}

.login-box button {
  padding: 0.7rem 0.9rem;
  border: none;
  border-radius: var(--radius);
  background: var(--primary);
  color: white;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.login-box button:hover {
  background: var(--primary-dark);
}

.error {
  color: var(--danger);
  font-size: 0.88rem;
  margin: 0.9rem 0 0;
}

/* ---------- App shell ---------- */

header.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  background: var(--surface-1);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

header.app-header h1 {
  font-size: 1.15rem;
  margin: 0;
  letter-spacing: -0.01em;
}

.btn {
  border: none;
  border-radius: var(--radius);
  padding: 0.6rem 1.1rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  background: var(--primary);
  color: white;
  transition: background-color 0.15s ease, transform 0.05s ease;
}

.btn:hover {
  background: var(--primary-dark);
}

.btn:active {
  transform: scale(0.98);
}

.btn.secondary {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  font-weight: 500;
}

.btn.secondary:hover {
  background: var(--page-plane);
  color: var(--text-primary);
}

.btn.danger {
  background: var(--danger);
}

.btn.danger:hover {
  background: var(--danger-dark);
}

.btn.small {
  padding: 0.35rem 0.7rem;
  font-size: 0.83rem;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 1.25rem 1rem 4rem;
}

h2.section-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin: 0 0 0.75rem;
}

/* ---------- Summary ---------- */

.summary {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.1rem 1.2rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-card);
}

.summary-totals {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.summary-totals .stat {
  flex: 1;
  min-width: 100px;
}

.summary-totals .stat .label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.summary-totals .stat .value {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-top: 0.1rem;
}

.summary-totals .stat.geplant .value {
  color: var(--status-warning-dark);
}

.summary-totals .stat.gekauft .value {
  color: var(--status-good-dark);
}

details.category-breakdown summary {
  cursor: pointer;
  color: var(--text-muted);
  font-size: 0.85rem;
  user-select: none;
}

details.category-breakdown summary:hover {
  color: var(--text-secondary);
}

.breakdown-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--gridline);
  color: var(--text-secondary);
}

.breakdown-row:last-child {
  border-bottom: none;
}

/* ---------- Chart ---------- */

.chart-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.1rem 1.2rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-card);
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.9rem;
}

.chart-legend {
  display: flex;
  gap: 0.9rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.chart-legend .legend-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.chart-legend .swatch {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  flex-shrink: 0;
}

.chart-legend .swatch.geplant {
  background: var(--status-warning);
}

.chart-legend .swatch.gekauft {
  background: var(--status-good);
}

.chart-row {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.3rem 0;
  position: relative;
}

.chart-row .chart-label {
  width: 108px;
  flex-shrink: 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chart-row .chart-track {
  flex: 1;
  height: 20px;
  position: relative;
}

.chart-row .chart-bar {
  display: flex;
  gap: 2px;
  height: 100%;
  min-width: 3px;
}

.chart-row .chart-segment {
  height: 100%;
}

.chart-row .chart-segment.geplant {
  background: var(--status-warning);
}

.chart-row .chart-segment.gekauft {
  background: var(--status-good);
}

.chart-row .chart-segment.rounded-end {
  border-radius: 0 4px 4px 0;
}

.chart-row .chart-value {
  width: 76px;
  flex-shrink: 0;
  text-align: right;
  font-size: 0.83rem;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

.chart-row[data-tooltip] {
  cursor: default;
}

.chart-row[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  left: 50%;
  bottom: 100%;
  transform: translate(-50%, -6px) scale(0.96);
  background: var(--text-primary);
  color: var(--surface-1);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.35rem 0.6rem;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.12s ease, transform 0.12s ease;
  z-index: 20;
}

.chart-row[data-tooltip]:hover::after {
  opacity: 1;
  transform: translate(-50%, -2px) scale(1);
}

.chart-empty {
  color: var(--text-muted);
  font-size: 0.88rem;
  text-align: center;
  padding: 1rem 0 0.25rem;
}

/* ---------- Filters ---------- */

.filters {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.filters select {
  padding: 0.5rem 0.7rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text-primary);
  font-size: 0.9rem;
}

.add-bar {
  margin-bottom: 1.25rem;
}

/* ---------- List ---------- */

.category-group {
  margin-bottom: 1.5rem;
}

.category-group h2 {
  font-size: 0.95rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  justify-content: space-between;
  border-bottom: 2px solid var(--gridline);
  padding-bottom: 0.45rem;
  margin-bottom: 0.65rem;
}

.category-group h2 .cat-name {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.category-group h2 .cat-total {
  font-variant-numeric: tabular-nums;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.85rem;
}

.item-card {
  display: flex;
  gap: 0.75rem;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem;
  margin-bottom: 0.6rem;
  align-items: flex-start;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.15s ease, opacity 0.15s ease;
}

.item-card:hover {
  box-shadow: 0 2px 4px rgba(11, 11, 11, 0.06), 0 8px 20px rgba(11, 11, 11, 0.08);
}

.item-card.bought {
  opacity: 0.55;
}

.item-card .toggle {
  margin-top: 0.2rem;
}

.item-card input[type="checkbox"] {
  width: 1.2rem;
  height: 1.2rem;
  cursor: pointer;
  accent-color: var(--status-good);
}

.item-preview img {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: 6px;
  flex-shrink: 0;
  border: 1px solid var(--border);
}

.item-body {
  flex: 1;
  min-width: 0;
}

.item-title-row {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  align-items: baseline;
}

.item-title-row .name {
  font-weight: 600;
}

.item-title-row .name.bought {
  text-decoration: line-through;
  color: var(--text-muted);
}

.item-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
  font-variant-numeric: tabular-nums;
}

.item-note {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
  white-space: pre-wrap;
}

.item-link-preview {
  display: block;
  font-size: 0.8rem;
  color: var(--primary);
  margin-top: 0.35rem;
  text-decoration: none;
}

.item-link-preview:hover {
  text-decoration: underline;
}

.status-badge {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  color: white;
  white-space: nowrap;
  flex-shrink: 0;
}

.status-badge.geplant {
  background: var(--status-warning);
}

.status-badge.gekauft {
  background: var(--status-good);
}

.item-actions {
  display: flex;
  gap: 0.4rem;
  margin-top: 0.6rem;
}

.empty-state {
  text-align: center;
  color: var(--text-muted);
  padding: 3rem 1rem;
  font-size: 0.95rem;
}

/* ---------- Modal ---------- */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(11, 11, 11, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 100;
  animation: fade-in 0.15s ease;
}

.modal-backdrop.hidden {
  display: none;
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes modal-in {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal {
  background: var(--surface-1);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  width: 100%;
  max-width: 420px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-modal);
  animation: modal-in 0.18s ease;
}

.modal h2 {
  margin-top: 0;
  font-size: 1.1rem;
}

.modal form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.modal label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.modal input,
.modal select,
.modal textarea {
  padding: 0.55rem 0.7rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--page-plane);
  color: var(--text-primary);
}

.modal input:focus,
.modal select:focus,
.modal textarea:focus {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
}

.modal textarea {
  resize: vertical;
  min-height: 3rem;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.row-2 {
  display: flex;
  gap: 0.75rem;
}

.row-2 > label {
  flex: 1;
}