:root {
  --bg: #0d1117;
  --surface: #161b22;
  --surface2: #1c2128;
  --border: #21262d;
  --text: #e6edf3;
  --muted: #7d8590;
  --faint: #3d444d;
  --green: #2ecc71;
  --green-soft: #0d2818;
  --blue: #58a6ff;
  --blue-soft: #0c1e3a;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; background: var(--bg); color: var(--text); overscroll-behavior: none; }

body {
  font-family: 'JetBrains Mono', monospace;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

button { cursor: pointer; font-family: inherit; background: none; border: none; color: inherit; }
input, textarea { font-family: inherit; color: var(--text); background: none; }
input:focus, textarea:focus { outline: none; }

/* ——— APP SHELL ——— */
#app { display: flex; flex-direction: column; height: 100vh; height: 100dvh; }

/* ——— HEADER ——— */
.header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 12px 20px;
  padding-top: max(12px, env(safe-area-inset-top));
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  z-index: 10;
}

.titlebar {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 6px 20px;
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.1em;
  flex-shrink: 0;
}

.logo { display: flex; align-items: center; gap: 8px; }
.logo-prompt { color: var(--green); font-size: 16px; font-weight: 700; }
.logo-text { font-size: 15px; font-weight: 700; letter-spacing: 0.02em; }

.view-switcher { display: flex; gap: 2px; }
.view-btn {
  padding: 5px 12px;
  font-size: 10px;
  letter-spacing: 0.1em;
  border: 1px solid var(--border);
  color: var(--muted);
  transition: all 0.15s;
}
.view-btn.active { border-color: var(--green); color: var(--green); background: var(--green-soft); }

.today-btn { font-size: 11px; color: var(--muted); letter-spacing: 0.05em; padding: 4px 8px; }
.today-btn:hover { color: var(--green); }

/* ——— MAIN CONTENT ——— */
.main { flex: 1; overflow-y: auto; padding: 20px; }

/* ——— NAV ARROW ——— */
.arrow-btn {
  width: 30px; height: 30px;
  border: 1px solid var(--border);
  color: var(--muted);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  transition: all 0.15s;
  flex-shrink: 0;
}
.arrow-btn:hover { border-color: var(--green); color: var(--green); }

/* ——— WOCHENANSICHT ——— */
.week-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 4px;
}
.week-kw { font-size: 10px; color: var(--muted); letter-spacing: 0.15em; text-align: center; }
.week-range { font-size: 16px; font-weight: 700; text-align: center; }
.week-range .hl { color: var(--green); }

.zoom-btn { font-size: 10px; color: var(--muted); letter-spacing: 0.05em; margin: 8px 0 14px; display: block; }
.zoom-btn:hover { color: var(--green); }

.week-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }

.day-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 10px 8px;
  min-height: 160px;
  cursor: pointer;
  transition: border-color 0.15s;
  display: flex; flex-direction: column; gap: 8px;
}
.day-card:hover { border-color: var(--green); }
.day-card.today { border-color: var(--green); background: var(--green-soft); }
.day-card.weekend { background: var(--bg); }

.day-card-head {
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.day-card-name { font-size: 9px; color: var(--muted); letter-spacing: 0.15em; }
.day-card-num { font-size: 20px; font-weight: 700; line-height: 1; margin-top: 2px; }
.day-card.today .day-card-num { color: var(--green); }

.today-badge {
  font-size: 8px;
  color: var(--green);
  letter-spacing: 0.1em;
  margin-top: 2px;
}

.day-card-events { display: flex; flex-direction: column; gap: 4px; flex: 1; }

.week-event {
  font-size: 9px;
  padding: 3px 5px;
  border-left: 2px solid;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.week-event.arbeit { border-color: var(--green); color: var(--green); background: var(--green-soft); }
.week-event.privat { border-color: var(--blue); color: var(--blue); background: var(--blue-soft); }

.week-todo-hint {
  font-size: 9px; color: var(--muted);
  margin-top: auto; padding-top: 6px;
  border-top: 1px solid var(--border);
}

/* ——— WOCHENNOTIZ ——— */
.week-note-section { margin-top: 20px; }
.week-note-label { font-size: 10px; color: var(--green); letter-spacing: 0.15em; margin-bottom: 8px; display: block; }
.week-note-input {
  width: 100%; background: var(--surface); border: 1px solid var(--border);
  color: var(--text); font-family: 'Inter', sans-serif; font-size: 13px;
  padding: 12px; min-height: 80px; resize: vertical; line-height: 1.7;
}
.week-note-input:focus { border-color: var(--green); }
.week-note-input::placeholder { color: var(--muted); }

/* ——— MONATSANSICHT ——— */
.month-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px;
}
.month-title { font-size: 20px; font-weight: 700; }
.month-title .year { color: var(--muted); font-size: 14px; margin-left: 8px; }

.month-grid-wrap { background: var(--surface); border: 1px solid var(--border); }
.month-weekdays { display: grid; grid-template-columns: 36px repeat(7, 1fr); border-bottom: 1px solid var(--border); }
.month-wlabel { font-size: 9px; color: var(--muted); text-align: center; padding: 8px 0; letter-spacing: 0.1em; border-right: 1px solid var(--border); }
.month-wlabel:last-child { border-right: none; }

.month-week-row { display: grid; grid-template-columns: 36px repeat(7, 1fr); border-bottom: 1px solid var(--border); }
.month-week-row:last-child { border-bottom: none; }

.kw-cell {
  display: flex; align-items: center; justify-content: center;
  font-size: 9px; color: var(--muted);
  border-right: 1px solid var(--border);
  cursor: pointer; transition: color 0.15s;
}
.kw-cell:hover { color: var(--green); }

.month-day {
  min-height: 60px; padding: 6px;
  border-right: 1px solid var(--border);
  cursor: pointer; transition: background 0.15s;
  display: flex; flex-direction: column; gap: 4px;
}
.month-day:last-child { border-right: none; }
.month-day:hover { background: var(--green-soft); }
.month-day.other { opacity: 0.3; }
.month-day.today-m { background: var(--green-soft); }
.month-day-num { font-size: 12px; font-weight: 500; }
.month-day.today-m .month-day-num { color: var(--green); }
.month-dots { display: flex; gap: 3px; }
.mdot { width: 5px; height: 5px; border-radius: 50%; }
.mdot-a { background: var(--green); }
.mdot-p { background: var(--blue); }

/* ——— TAGESANSICHT ——— */
.back-btn { font-size: 11px; color: var(--muted); letter-spacing: 0.05em; margin-bottom: 16px; display: inline-block; }
.back-btn:hover { color: var(--green); }

.day-title { margin-bottom: 24px; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.day-weekday { font-size: 10px; color: var(--muted); letter-spacing: 0.2em; margin-bottom: 4px; }
.day-heading { font-size: 24px; font-weight: 700; display: flex; align-items: center; gap: 6px; }
.day-heading .hl { color: var(--green); }
.cursor {
  display: inline-block; width: 10px; height: 20px;
  background: var(--green); vertical-align: middle;
  animation: blink 1s step-end infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

.section { margin-bottom: 28px; }
.section-head {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 10px; padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.section-title { font-size: 10px; color: var(--green); letter-spacing: 0.15em; font-weight: 700; }
.section-count { font-size: 10px; color: var(--muted); }

/* ——— TERMINE ——— */
.event-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; background: var(--surface);
  border-left: 2px solid; margin-bottom: 4px;
}
.event-item.arbeit { border-color: var(--green); }
.event-item.privat { border-color: var(--blue); }
.event-time { font-size: 11px; color: var(--muted); min-width: 80px; }
.event-title { flex: 1; font-size: 12px; }
.delete-btn { color: var(--muted); font-size: 11px; padding: 0 4px; opacity: 0.5; transition: opacity 0.15s; }
.delete-btn:hover { opacity: 1; color: #e74c3c; }

/* ——— TODOS ——— */
.todo-item { display: flex; align-items: center; gap: 10px; padding: 6px 0; }
.todo-item.done-item { order: 1; }
.todo-list { display: flex; flex-direction: column; }

.checkbox { font-size: 13px; cursor: pointer; transition: color 0.15s; flex-shrink: 0; }
.checkbox.arbeit { color: var(--green); }
.checkbox.privat { color: var(--blue); }
.todo-text { flex: 1; font-size: 13px; font-family: 'Inter', sans-serif; }
.todo-text.done { text-decoration: line-through; color: var(--muted); }

/* ——— EINGABE ——— */
.add-row { display: flex; align-items: center; gap: 8px; margin-top: 10px; }
.prompt { color: var(--green); font-size: 13px; flex-shrink: 0; }
.t-input {
  flex: 1; border: none; border-bottom: 1px solid var(--border);
  color: var(--text); font-family: 'JetBrains Mono', monospace; font-size: 12px;
  padding: 4px 0; background: none; transition: border-color 0.15s;
}
.t-input:focus { border-color: var(--green); }
.t-input::placeholder { color: var(--muted); }

.time-input { flex: 0; width: 86px; }
.endtime-input { flex: 0; width: 86px; }

.cat-toggle { display: flex; gap: 3px; }
.cat-btn {
  border: 1px solid var(--border); font-size: 10px;
  padding: 3px 7px; color: var(--muted); transition: all 0.15s;
  letter-spacing: 0.03em;
}
.cat-btn.active-a { border-color: var(--green); color: var(--green); background: var(--green-soft); }
.cat-btn.active-p { border-color: var(--blue); color: var(--blue); background: var(--blue-soft); }

.add-btn {
  border: 1px solid var(--border); color: var(--muted);
  width: 28px; height: 28px; font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.15s; flex-shrink: 0;
}
.add-btn:hover { border-color: var(--green); color: var(--green); }

/* ——— NOTIZEN ——— */
.note-area {
  width: 100%; background: var(--surface); border: 1px solid var(--border);
  color: var(--text); font-family: 'Inter', sans-serif; font-size: 13px;
  padding: 12px; min-height: 120px; resize: vertical; line-height: 1.7;
  transition: border-color 0.15s;
}
.note-area:focus { border-color: var(--green); }
.note-area::placeholder { color: var(--muted); }

/* ——— BACKLOG ——— */
.backlog-panel {
  position: fixed; right: 0; top: 0; bottom: 0;
  width: 300px; background: var(--surface);
  border-left: 1px solid var(--border);
  display: flex; flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.25s ease;
  z-index: 100;
  padding-top: env(safe-area-inset-top);
}
.backlog-panel.open { transform: translateX(0); }
.backlog-header {
  padding: 16px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.backlog-title { font-size: 11px; color: var(--green); letter-spacing: 0.15em; font-weight: 700; }
.backlog-close { color: var(--muted); font-size: 16px; }
.backlog-close:hover { color: var(--text); }
.backlog-list { flex: 1; overflow-y: auto; padding: 12px 16px; display: flex; flex-direction: column; gap: 4px; }
.backlog-item { display: flex; align-items: center; gap: 10px; padding: 6px 0; border-bottom: 1px solid var(--faint); }
.backlog-text { flex: 1; font-size: 12px; font-family: 'Inter', sans-serif; }
.backlog-text.done { text-decoration: line-through; color: var(--muted); }
.backlog-add { padding: 12px 16px; border-top: 1px solid var(--border); display: flex; gap: 8px; align-items: center; }
.backlog-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5);
  z-index: 99; display: none;
}
.backlog-overlay.open { display: block; }

.backlog-btn {
  font-size: 10px; color: var(--muted); letter-spacing: 0.08em;
  border: 1px solid var(--border); padding: 5px 10px;
  transition: all 0.15s;
}
.backlog-btn:hover { border-color: var(--green); color: var(--green); }

.empty { font-size: 12px; color: var(--muted); font-style: italic; padding: 4px 0; font-family: 'Inter', sans-serif; }

@media (max-width: 700px) {
  .week-grid { grid-template-columns: repeat(7, 1fr); gap: 3px; }
  .day-card { padding: 6px 4px; min-height: 100px; }
  .day-card-num { font-size: 15px; }
  .main { padding: 12px; }
  .backlog-panel { width: 100%; }
}