/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #F4F2ED;
  --col-bg:   #EDEAE3;
  --card:     #FAFAF7;
  --card-sel: #FFFFFF;
  --t1:       #2C2C2A;
  --t2:       #888780;
  --t3:       #B4B2A9;
  --bd:       rgba(44,44,42,.09);
  --bd2:      rgba(44,44,42,.18);
  --red:      #A32D2D;
  --red-bd:   rgba(162,45,45,.25);
  --done-op:  0.38;
  --resizer:  4px;
}

html, body { height: 100%; overflow: hidden; font-family: -apple-system, "Helvetica Neue", Arial, sans-serif; background: var(--bg); color: var(--t1); }

/* ── Login ── */
.login-body { display: flex; align-items: center; justify-content: center; height: 100vh; background: var(--bg); }
.login-card { background: var(--card); border: .5px solid var(--bd2); border-radius: 14px; padding: 36px 32px; width: 340px; }
.login-logo { font-size: 22px; font-weight: 600; color: var(--t1); margin-bottom: 28px; letter-spacing: -.3px; }
.login-error { font-size: 13px; color: var(--red); background: rgba(162,45,45,.08); border-radius: 8px; padding: 8px 12px; margin-bottom: 16px; }
.field-group { margin-bottom: 14px; }
.field-group label { display: block; font-size: 11px; font-weight: 500; color: var(--t2); margin-bottom: 5px; letter-spacing: .05em; text-transform: uppercase; }
.field-group input { width: 100%; padding: 9px 11px; border: .5px solid var(--bd2); border-radius: 8px; font-size: 14px; background: var(--bg); color: var(--t1); outline: none; transition: border-color .15s; }
.field-group input:focus { border-color: var(--t1); }

/* ── Buttons ── */
.btn-primary { background: var(--t1); color: var(--bg); border: none; border-radius: 8px; padding: 8px 18px; font-size: 13px; cursor: pointer; transition: opacity .15s; }
.btn-primary:hover { opacity: .82; }
.btn-secondary { background: none; color: var(--t1); border: .5px solid var(--bd2); border-radius: 8px; padding: 7px 14px; font-size: 13px; cursor: pointer; transition: background .12s; }
.btn-secondary:hover { background: var(--col-bg); }
.btn-danger { background: none; color: var(--red); border: .5px solid var(--red-bd); border-radius: 8px; padding: 7px 14px; font-size: 13px; cursor: pointer; }
.full-width { width: 100%; margin-top: 8px; padding: 10px; }
.icon-btn { background: none; border: none; font-size: 20px; line-height: 1; color: var(--t3); cursor: pointer; padding: 0 3px; transition: color .12s; }
.icon-btn:hover { color: var(--t1); }

/* ── App Layout ── */
.app { display: flex; height: 100vh; overflow: hidden; }

.col { display: flex; flex-direction: column; min-width: 140px; overflow: hidden; background: var(--col-bg); }
.col:last-child { background: var(--bg); flex: 1; }
#col-projects { width: 200px; }
#col-tasks    { width: 240px; }

.resizer { width: var(--resizer); background: var(--bd); cursor: col-resize; flex-shrink: 0; transition: background .15s; }
.resizer:hover, .resizer.dragging { background: var(--bd2); }

/* ── Column header ── */
.col-header { display: flex; align-items: center; justify-content: space-between; padding: 42px 14px 8px; }
.col-label { font-size: 10.5px; font-weight: 600; letter-spacing: .09em; text-transform: uppercase; color: var(--t2); }

/* ── Project list ── */
.proj-list { list-style: none; padding: 0 8px 12px; flex: 1; overflow-y: auto; }
.proj-item { display: flex; align-items: center; justify-content: space-between; padding: 9px 10px; border-radius: 8px; border: .5px solid transparent; margin-bottom: 2px; cursor: pointer; transition: all .12s; user-select: none; }
.proj-item:hover { background: rgba(255,255,255,.45); }
.proj-item.sel { background: var(--card-sel); border-color: var(--bd2); }
.proj-name { font-size: 13px; color: var(--t2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: color .12s; }
.proj-item.sel .proj-name { color: var(--t1); font-weight: 500; }
.proj-count { font-size: 11px; color: var(--t3); flex-shrink: 0; margin-left: 6px; }

/* ── Tag bar ── */
.tag-bar { display: flex; gap: 5px; flex-wrap: wrap; padding: 0 10px 8px; min-height: 0; }
.tag-pill { font-size: 10px; padding: 2px 9px; border-radius: 20px; border: .5px solid var(--bd2); background: transparent; color: var(--t2); cursor: pointer; white-space: nowrap; transition: all .12s; }
.tag-pill.active { background: var(--t1); border-color: var(--t1); color: var(--bg); }

/* ── Task list ── */
.task-scroll { flex: 1; overflow-y: auto; padding: 0 8px 12px; }
.task-list { list-style: none; }
.task-card { padding: 10px 10px 8px; border-radius: 8px; margin-bottom: 3px; border: .5px solid transparent; cursor: pointer; transition: all .12s; user-select: none; }
.task-card:hover { background: rgba(255,255,255,.45); }
.task-card.sel { background: var(--card-sel); border-color: var(--bd2); }
.task-card.dragging { opacity: .4; }
.task-card.drag-over { border-color: var(--t1); background: rgba(255,255,255,.7); }
.task-card.done-card { opacity: var(--done-op); }
.task-card-inner { display: flex; align-items: flex-start; gap: 8px; }
.task-check { width: 14px; height: 14px; border-radius: 50%; border: 1.5px solid var(--bd2); flex-shrink: 0; margin-top: 2px; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all .12s; }
.task-check.checked { background: var(--t1); border-color: var(--t1); }
.task-check.checked::after { content: ''; display: block; width: 5px; height: 5px; border-radius: 50%; background: #fff; }
.task-title { font-size: 13px; color: var(--t1); line-height: 1.35; }
.task-card.done-card .task-title { text-decoration: line-through; color: var(--t2); }
.task-tags { margin-top: 4px; padding-left: 22px; display: flex; flex-wrap: wrap; gap: 4px; }
.task-tag { font-size: 10px; color: var(--t3); }

/* Done section */
.section-done { margin-top: 8px; }
.section-label { font-size: 9.5px; font-weight: 600; letter-spacing: .09em; text-transform: uppercase; color: var(--t3); padding: 8px 4px 4px; }
/* Drop zone at bottom of active list */
.drop-zone-done { height: 36px; border: 1.5px dashed var(--bd2); border-radius: 8px; margin-bottom: 3px; display: none; align-items: center; justify-content: center; font-size: 11px; color: var(--t3); }
.drop-zone-done.visible { display: flex; }
.drop-zone-done.over { border-color: var(--t1); color: var(--t1); background: rgba(255,255,255,.5); }

/* ── Detail ── */
.flex-col { display: flex; flex-direction: column; }
.detail-empty { flex: 1; display: flex; align-items: center; justify-content: center; font-size: 14px; color: var(--t3); }
#detail-panel { flex: 1; min-height: 0; display: flex; flex-direction: column; overflow: hidden; }
.detail-header { padding: 38px 20px 10px; border-bottom: .5px solid var(--bd); flex-shrink: 0; }
.detail-title { width: 100%; font-size: 15px; font-weight: 500; color: var(--t1); border: none; background: transparent; outline: none; line-height: 1.4; white-space: normal; word-break: break-word; }
.detail-meta { font-size: 11px; color: var(--t2); margin-top: 5px; }
.tags-row { display: flex; align-items: center; gap: 8px; padding: 10px 20px; border-bottom: .5px solid var(--bd); flex-shrink: 0; }
.tags-hint { font-size: 11px; color: var(--t2); flex-shrink: 0; }
.tags-input { flex: 1; font-size: 11px; border: none; background: transparent; outline: none; color: var(--t1); }
.detail-notes { flex: 1; resize: none; padding: 14px 20px; font-size: 13.5px; line-height: 1.75; color: var(--t1); border: none; background: transparent; outline: none; font-family: inherit; }
.detail-footer { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; padding: 12px 20px; border-top: .5px solid var(--bd); flex-shrink: 0; }
.footer-right { display: flex; gap: 8px; }

/* ── Context menu ── */
.ctx-menu { position: fixed; background: var(--card-sel); border: .5px solid var(--bd2); border-radius: 9px; padding: 5px 0; min-width: 170px; box-shadow: 0 4px 16px rgba(0,0,0,.12); z-index: 9999; }
.ctx-item { padding: 8px 16px; font-size: 13px; cursor: pointer; color: var(--t1); }
.ctx-item:hover { background: var(--col-bg); }
.ctx-danger { color: var(--red); }

/* ── Scrollbars ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bd2); border-radius: 4px; }

/* ── Formatting toolbar ── */
.fmt-toolbar {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 2px;
  padding: 6px 20px;
  border-bottom: .5px solid var(--bd);
  flex-shrink: 0;
}
.fmt-btn {
  background: none;
  border: none;
  width: 28px;
  height: 26px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 13px;
  color: var(--t2);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .12s;
  flex-shrink: 0;
}
.fmt-btn:hover  { background: var(--col-bg); color: var(--t1); }
.fmt-btn.active { background: var(--col-bg); color: var(--t1); }
.fmt-btn b { font-weight: 700; }
.fmt-btn i { font-style: italic; }
.fmt-btn s { text-decoration: line-through; }
.fmt-sep {
  width: .5px;
  height: 16px;
  background: var(--bd2);
  margin: 0 4px;
}

/* ── Contenteditable notes ── */
div.detail-notes {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 14px 20px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--t1);
  outline: none;
  font-family: inherit;
  word-break: break-word;
}
div.detail-notes:empty::before {
  content: attr(data-placeholder);
  color: var(--t3);
  pointer-events: none;
}
div.detail-notes b, div.detail-notes strong { font-weight: 600; }
div.detail-notes i, div.detail-notes em     { font-style: italic; }
div.detail-notes s                          { text-decoration: line-through; }
div.detail-notes ul { padding-left: 20px; }
div.detail-notes ol { padding-left: 20px; }
div.detail-notes li { margin: 2px 0; }

/* ── Autosave indicator ── */
.autosave-indicator {
  font-size: 11px;
  color: var(--t3);
  transition: opacity .3s;
  flex-shrink: 0;
}
.autosave-indicator.saving { color: var(--t2); }
.autosave-indicator.saved  { color: #3B6D11; }

div.detail-title {
  min-height: 1.4em;
  cursor: text;
}
div.detail-title:empty::before {
  content: attr(data-placeholder);
  color: var(--t3);
  pointer-events: none;
}