:root {
  --bg: #14171c;
  --panel: #1b1f26;
  --panel-border: #2a2f38;
  --ink: #e8e6df;
  --ink-dim: #8a8f99;
  --accent: #e8a33d;
  --danger: #d96c6c;
  --mono: 'SF Mono', 'Fira Code', Consolas, monospace;
  --content-width: 640px;
}
html {
  /* Basis für die Schriftgröße-Steuerung im Menü: alles im Body ist in rem,
     ein Wechsel hier skaliert die gesamte Oberfläche. */
  font-size: 16px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  padding: 24px 16px 60px;
  font-size: 1rem;
}

/* ---------- Hamburger-Button ---------- */
.menu-toggle {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 40;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Seitenmenü ---------- */
.menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 30;
}
.menu-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.side-menu {
  position: fixed;
  top: 0;
  right: 0;
  height: 100%;
  width: min(320px, 86vw);
  background: var(--panel);
  border-left: 1px solid var(--panel-border);
  z-index: 35;
  transform: translateX(100%);
  transition: transform 0.25s ease;
  display: flex;
  flex-direction: column;
  padding: 18px;
  overflow-y: auto;
}
.side-menu.open { transform: translateX(0); }

.side-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.side-menu-header h2 { margin: 0; font-size: 1.15rem; font-weight: 650; }
.menu-close {
  background: none;
  border: none;
  color: var(--ink-dim);
  font-size: 1.2rem;
  cursor: pointer;
  line-height: 1;
  padding: 4px;
}

.menu-section {
  border-top: 1px solid var(--panel-border);
  padding: 16px 0;
}
.menu-section:first-of-type { border-top: none; }
.menu-section h3 {
  margin: 0 0 10px;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-dim);
}
.menu-label {
  display: block;
  font-size: 0.8rem;
  color: var(--ink-dim);
  margin-bottom: 4px;
}
.menu-input {
  width: 100%;
  background: #0f1216;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 8px 10px;
  color: var(--ink);
  font-size: 0.9rem;
  margin-bottom: 10px;
}
.menu-input:focus { outline: none; border-color: var(--ink-dim); }
.menu-btn {
  display: block;
  width: 100%;
  border: none;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  color: #14171c;
  background: var(--accent);
  margin-bottom: 8px;
}
.menu-btn.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--panel-border);
}
.menu-btn.danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
  margin-top: 4px;
}
.menu-btn.small {
  width: auto;
  padding: 8px 14px;
  margin-bottom: 0;
}
.menu-hint {
  font-size: 0.78rem;
  color: var(--ink-dim);
  line-height: 1.5;
  min-height: 1.1em;
  margin: 4px 0 0;
}
.fontsize-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.font-current {
  font-size: 0.9rem;
  color: var(--ink-dim);
  min-width: 3.4em;
  text-align: center;
}

.menu-range {
  width: 100%;
  accent-color: var(--accent);
  margin-bottom: 8px;
}

/* ---------- Todo-Board ---------- */
.head {
  max-width: var(--content-width);
  margin: 0 auto 28px;
  text-align: center;
  padding-top: 8px;
}
.head h1 {
  font-size: 1.65rem;
  font-weight: 650;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}
.head p {
  color: var(--ink-dim);
  font-size: 0.9rem;
  margin: 0;
}

.board-single {
  max-width: var(--content-width);
  margin: 0 auto;
}
.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  min-height: 320px;
}

.add-row { display: flex; gap: 8px; margin-bottom: 12px; }
.add-row input {
  flex: 1;
  background: #0f1216;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 10px 11px;
  color: var(--ink);
  font-size: 1rem;
}
.add-row input:focus { outline: none; border-color: var(--ink-dim); }
.add-row button {
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  color: #14171c;
  white-space: nowrap;
  background: var(--accent);
}

.sort-row {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
  font-size: 0.8rem;
  flex-wrap: wrap;
}
.sort-row button {
  background: transparent;
  border: 1px solid var(--panel-border);
  color: var(--ink-dim);
  border-radius: 6px;
  padding: 6px 10px;
  cursor: pointer;
  font-size: 0.8rem;
}
.sort-row button.active {
  color: var(--ink);
  border-color: var(--ink-dim);
}
.sort-hint {
  font-size: 0.8rem;
  color: var(--ink-dim);
  margin: -6px 0 10px;
  font-style: italic;
}

ul.todos { list-style: none; margin: 0; padding: 0; flex: 1; }
ul.todos li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 4px;
  border-bottom: 1px solid var(--panel-border);
  font-size: 1rem;
  background: var(--panel);
  -moz-user-select: none;
  user-select: none;
}
ul.todos li:last-child { border-bottom: none; }
ul.todos li .text { flex: 1; word-break: break-word; cursor: pointer; }
ul.todos li .edit-input {
  flex: 1;
  min-width: 0;
  background: #0f1216;
  border: 1px solid var(--ink-dim);
  border-radius: 6px;
  padding: 2px 6px;
  color: var(--ink);
  font-size: 1rem;
  font-family: inherit;
}
ul.todos li .edit-input:focus { outline: none; border-color: var(--accent); }
ul.todos li.done .text { text-decoration: line-through; color: var(--ink-dim); }
ul.todos li .move-end {
  background: none; border: none; color: var(--ink-dim);
  cursor: pointer; font-size: 1rem; line-height: 1; padding: 2px 4px; flex-shrink: 0;
}
ul.todos li .move-end.disabled { opacity: 0.25; cursor: default; }
ul.todos li .del {
  background: none; border: none; color: var(--danger);
  cursor: pointer; font-size: 1.15rem; line-height: 1; padding: 2px 4px;
}
ul.todos li input[type=checkbox] { accent-color: var(--ink); width: 18px; height: 18px; cursor: pointer; flex-shrink: 0; }

.handle {
  cursor: grab;
  color: var(--ink-dim);
  font-size: 1rem;
  padding: 2px 2px;
  flex-shrink: 0;
  user-select: none;
  touch-action: none;
}
.handle.disabled { opacity: 0.25; cursor: default; }
ul.todos li.dragging { opacity: 0.4; }
ul.todos li.drag-over-top { box-shadow: inset 0 2px 0 0 var(--ink); }
ul.todos li.drag-over-bottom { box-shadow: inset 0 -2px 0 0 var(--ink); }

.empty { color: var(--ink-dim); font-size: 0.9rem; padding: 22px 4px; text-align: center; }

.footer-note {
  max-width: var(--content-width);
  margin: 26px auto 0;
  font-size: 0.8rem;
  color: var(--ink-dim);
  text-align: center;
}