* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #121225;
  --panel: #1e1e3a;
  --panel-2: #2a2a50;
  --border: #3a3a6a;
  --text: #eee;
  --muted: #888;
  --accent: #359aff;
  --p1: #ea5200;
  --p2: #0060bf;
  --p3: #359aff;
  --danger: #ff5c5c;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

body.dragging::after {
  content: 'Drop export to load';
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: rgba(18, 18, 37, 0.85);
  border: 3px dashed var(--accent);
  z-index: 50;
  pointer-events: none;
}

/* ------------------------------------------------------------- top bar */

.topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand { display: flex; flex-direction: column; }
.brand-title { font-weight: 700; letter-spacing: 1px; }
.data-info { font-size: 0.75rem; color: var(--muted); }

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  flex: 1;
  justify-content: flex-end;
}

.controls input[type="search"] {
  flex: 1;
  min-width: 200px;
  max-width: 520px;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

.controls select,
.file-btn,
.ghost-btn,
.primary-btn {
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  font-size: 0.85rem;
  cursor: pointer;
}

.file-btn:hover, .ghost-btn:hover, .controls select:hover { border-color: var(--accent); }
.primary-btn { background: var(--p2); border-color: var(--p2); }
#file-input { display: none; }

.load-status {
  padding: 4px 16px;
  font-size: 0.85rem;
  color: var(--accent);
  min-height: 1.4em;
}

/* -------------------------------------------------------------- layout */

.layout { display: flex; align-items: flex-start; }

.sidebar {
  width: 250px;
  flex-shrink: 0;
  padding: 12px 8px 40px;
  position: sticky;
  top: 62px;
  max-height: calc(100vh - 62px);
  overflow-y: auto;
  display: none;
}

body.loaded .sidebar { display: block; }

.nav-heading {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--muted);
  margin: 16px 8px 4px;
}

.nav-section { list-style: none; }

.nav-btn {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 10px;
  border: none;
  border-radius: 8px;
  background: none;
  color: var(--text);
  font-size: 0.9rem;
  cursor: pointer;
  text-align: left;
}

.nav-btn:hover { background: var(--panel); }
.nav-item.active .nav-btn { background: var(--panel-2); }
.nav-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nav-count { font-size: 0.75rem; color: var(--muted); }
.nav-more { padding: 4px 10px; font-size: 0.75rem; color: var(--muted); }

.content { flex: 1; padding: 12px 20px 80px; min-width: 0; }

.view-header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 10px;
}

.view-header h1 { font-size: 1.2rem; }
#view-count { color: var(--muted); font-size: 0.85rem; }

.intro { max-width: 560px; color: var(--muted); line-height: 1.5; }
.intro p { margin-bottom: 12px; }
.intro code { color: var(--accent); }
body.loaded .intro { display: none; }

/* --------------------------------------------------------------- tasks */

.smart-filter {
  margin-bottom: 10px;
  padding: 8px 12px;
  background: var(--panel);
  border-radius: 8px;
  font-size: 0.8rem;
  overflow-x: auto;
}

.smart-filter code { color: var(--accent); white-space: pre-wrap; }

.warning {
  margin-bottom: 8px;
  padding: 6px 12px;
  border-left: 3px solid var(--p1);
  background: var(--panel);
  border-radius: 0 8px 8px 0;
  font-size: 0.8rem;
  color: #f0b090;
}

.task-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 10px;
  border-bottom: 1px solid #26264a;
  cursor: pointer;
}

.task-row:hover { background: var(--panel); }
.task-row.done .task-name { color: var(--muted); text-decoration: line-through; }

.prio {
  flex-shrink: 0;
  width: 26px;
  text-align: center;
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 0;
  margin-top: 2px;
}

.prio-P1 { background: var(--p1); color: #fff; }
.prio-P2 { background: var(--p2); color: #fff; }
.prio-P3 { background: var(--p3); color: #002; }
.prio-PN { background: var(--panel-2); color: var(--muted); }

.task-main { flex: 1; min-width: 0; }
.task-name { line-height: 1.35; word-break: break-word; }
.task-icon { margin-left: 6px; font-size: 0.75rem; opacity: 0.8; }

.task-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 3px;
}

.task-list {
  min-width: 0;
}

.task-meta .task-list {
  font-size: 0.7rem;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1px 8px;
}

.task-tag {
  font-size: 0.7rem;
  background: var(--panel-2);
  color: var(--accent);
  border: none;
  border-radius: 10px;
  padding: 2px 8px;
  cursor: pointer;
}

.task-tag:hover { background: var(--border); }

.task-due {
  flex-shrink: 0;
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 4px;
  text-align: right;
}

.task-due.overdue { color: var(--danger); font-weight: 700; }
.task-due.completed-date { color: #6bbf6b; }

.task-detail {
  padding: 10px 12px 14px 46px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}

.detail-table th {
  text-align: left;
  color: var(--muted);
  font-weight: 400;
  padding: 2px 16px 2px 0;
  vertical-align: top;
  white-space: nowrap;
}

.detail-table td { padding: 2px 0; word-break: break-word; }

.detail-url { margin-top: 8px; word-break: break-all; }
.detail-url a { color: var(--accent); }

.detail-note {
  margin-top: 10px;
  padding: 8px 12px;
  background: var(--panel-2);
  border-radius: 8px;
}

.note-title { font-weight: 700; margin-bottom: 4px; }
.note-content { white-space: pre-wrap; word-break: break-word; }

.empty { padding: 30px 10px; color: var(--muted); }

.show-more {
  display: block;
  margin: 16px auto;
  padding: 10px 24px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  cursor: pointer;
}

.show-more:hover { border-color: var(--accent); }

/* --------------------------------------------------------------- modal */

.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 100;
  align-items: center;
  justify-content: center;
}

.modal.open { display: flex; }

.modal-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  width: 340px;
  max-width: 90vw;
}

.modal-box p { margin-bottom: 12px; }

.modal-box input {
  width: 100%;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  margin-bottom: 14px;
}

.modal-actions { display: flex; justify-content: flex-end; gap: 8px; }

/* -------------------------------------------------------------- mobile */

@media (max-width: 720px) {
  .layout { flex-direction: column; }
  .sidebar {
    width: 100%;
    position: static;
    max-height: 40vh;
    border-bottom: 1px solid var(--border);
  }
  .task-due { font-size: 0.7rem; }
}

/* -------------------------------------------------- keyboard shortcuts */

body.nav-hidden .sidebar { display: none !important; }

.task-row.cursor { box-shadow: inset 3px 0 0 var(--accent); }

.modal.palette { align-items: flex-start; padding-top: 12vh; }
.modal.palette .modal-box { width: 420px; }

.palette-list { list-style: none; max-height: 320px; overflow-y: auto; }

.palette-item {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 7px 10px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
}

.palette-item:hover { background: var(--panel-2); }
.palette-item.active { background: var(--panel-2); box-shadow: inset 3px 0 0 var(--accent); }
.palette-item.empty { color: var(--muted); cursor: default; }
.palette-hint { color: var(--muted); font-size: 0.75rem; }

.modal.help { overflow-y: auto; }

.help-box {
  width: 720px;
  max-width: 94vw;
  max-height: 86vh;
  overflow-y: auto;
}

.help-box h2 { margin-bottom: 16px; }
.help-box h3 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--muted);
  margin: 14px 0 8px;
}

.help-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0 28px;
}

.help-box dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 5px 12px;
  align-items: center;
}

.help-box dt { white-space: nowrap; }
.help-box dd { font-size: 0.85rem; }

kbd {
  display: inline-block;
  min-width: 1.5em;
  padding: 2px 6px;
  border-radius: 5px;
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  background: var(--bg);
  font-family: ui-monospace, monospace;
  font-size: 0.72rem;
  text-align: center;
}

.help-note {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.8rem;
}

/* ------------------------------------------------------------- editing */

/* Delete affordances live in the DOM full time and are revealed here, so
   toggling edit mode never has to rebuild the sidebar or the row chunk. */

.ghost-btn:disabled,
.danger-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  border-color: var(--border);
}

.ghost-btn.active {
  background: var(--p2);
  border-color: var(--p2);
}

.danger-btn {
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--danger);
  background: transparent;
  color: var(--danger);
  font-size: 0.85rem;
  cursor: pointer;
}

.danger-btn:not(:disabled):hover { background: var(--danger); color: #fff; }

/* `display` here beats the UA stylesheet's `[hidden] { display: none }`, so
   the attribute needs re-asserting or the bar renders as an empty red box
   whenever edit mode is off. */
.edit-bar[hidden] { display: none; }

.edit-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
  margin-bottom: 10px;
  padding: 10px 12px;
  background: var(--panel);
  border: 1px solid var(--danger);
  border-radius: 8px;
}

.edit-hint { color: var(--muted); font-size: 0.75rem; flex: 1; min-width: 160px; }

.nav-item { display: flex; align-items: center; }
.nav-item .nav-btn { flex: 1; min-width: 0; }

.nav-del,
.task-del {
  display: none;
  flex-shrink: 0;
  border: none;
  border-radius: 6px;
  background: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.8rem;
  line-height: 1;
}

.nav-del { padding: 6px 8px; }
.task-del { padding: 6px 8px; margin-top: 2px; }

body.editing .nav-del,
body.editing .task-del { display: block; }

.nav-del:hover,
.task-del:hover { background: var(--danger); color: #fff; }

/* The task row is a click target for expansion, so the delete button needs a
   focus ring of its own to be reachable and visible by keyboard. */
.nav-del:focus-visible,
.task-del:focus-visible { outline: 2px solid var(--danger); color: var(--danger); }

.edits-banner {
  margin: 4px 6px 10px;
  padding: 10px 12px;
  border: 1px solid var(--danger);
  border-radius: 8px;
  background: var(--panel);
}

.edits-banner-count { font-size: 0.85rem; font-weight: 700; }
.edits-banner-sub { font-size: 0.75rem; color: var(--muted); margin-top: 2px; }
.edits-banner-btn { width: 100%; margin-top: 8px; }

.confirm-box { width: 460px; }
.confirm-box h2 { font-size: 1rem; margin-bottom: 12px; }
.confirm-body { margin-bottom: 16px; }
.confirm-body p { margin-bottom: 8px; font-size: 0.85rem; line-height: 1.45; }
/* The last line is always the caveat — "nothing is written until you export",
   or the note about what the plaintext file contains. Everything above it is
   the numbers, and those are peers. */
.confirm-body p:last-child { color: var(--muted); font-size: 0.8rem; }
.confirm-body p:only-child { color: var(--text); font-size: 0.85rem; }

.edits-box { width: 520px; }
.edits-box h2 { font-size: 1rem; margin-bottom: 8px; }
#edits-summary { font-size: 0.85rem; color: var(--muted); margin-bottom: 12px; }

.edits-list {
  list-style: none;
  max-height: 46vh;
  overflow-y: auto;
  margin-bottom: 16px;
}

.edits-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}

.edits-item-main { flex: 1; min-width: 0; }
.edits-item-label { font-size: 0.85rem; word-break: break-word; }
.edits-item-detail { font-size: 0.75rem; color: var(--muted); margin-top: 2px; }
.edits-empty { padding: 16px 4px; color: var(--muted); font-size: 0.85rem; line-height: 1.45; }