:root {
  --bg:       #F6F2EC;
  --bg2:      #EDE7DE;
  --bg3:      #E2DAD0;
  --surface:  #FFFFFF;
  --surface2: #F4F0E9;
  --border:   #D8D0C4;
  --text:     #1A1612;
  --text2:    #5C5247;
  --text3:    #9C9084;
  --accent:   #C0581F;
  --accent2:  #E07038;
  --accent-bg:#FBF0E6;
  --success:  #2B8A58;
  --success-bg:#EBF8F0;
  --danger:   #C03228;
  --danger-bg:#FBE8E6;
  --warn:     #B07C08;
  --warn-bg:  #FBF4E0;
  --purple:   #7048D4;
  --r: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,.07), 0 4px 16px rgba(0,0,0,.06);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.15);
}
[data-theme="dark"] {
  --bg:       #0F0D0B;
  --bg2:      #191512;
  --bg3:      #231F1B;
  --surface:  #1C1915;
  --surface2: #252119;
  --border:   #342E26;
  --text:     #EDE7DF;
  --text2:    #9A9088;
  --text3:    #635B52;
  --accent:   #E07038;
  --accent2:  #F08848;
  --accent-bg:#281508;
  --success:  #3CAA70;
  --success-bg:#122A1C;
  --danger:   #E05048;
  --danger-bg:#281210;
  --warn:     #D49A20;
  --warn-bg:  #281E08;
  --purple:   #9068F4;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'IBM Plex Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  transition: background .3s, color .3s;
  line-height: 1.5;
}
.header {
  position: sticky; top: 0; z-index: 100;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 0 0 14px;
  height: 36px;
  display: flex; align-items: center; justify-content: space-between;
  box-shadow: 0 1px 0 var(--border);
}
.logo {
  font-size: 15px; font-weight: 600; letter-spacing: -.3px;
  color: var(--text2);
  display: flex; align-items: center; gap: 10px;
}
.logo-accent { display: none; }
.header-right { display: flex; align-items: center; gap: 2px; }
.hm { position: relative; }
.hm-btn {
  background: none; border: none; border-radius: 6px;
  color: var(--text3); cursor: pointer; display: flex;
  transition: all .15s; height: 36px; width: 36px;
  align-items: center; justify-content: center; text-decoration: none;
}
.hm-btn:hover { background: var(--bg2); color: var(--text); }
.hm-dropdown {
  position: absolute; top: calc(100% + 6px); right: 0; z-index: 300;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; box-shadow: var(--shadow-lg);
  min-width: 190px; padding: 6px;
  opacity: 0; pointer-events: none; transform: translateY(-6px);
  transition: all .15s;
}
.hm-dropdown.open { opacity: 1; pointer-events: all; transform: translateY(0); }
.hm-item, .hm-item-row {
  display: flex; align-items: center; gap: 8px; width: 100%;
  padding: 8px 10px; border: none; border-radius: 6px;
  background: none; color: var(--text2); font-family: 'IBM Plex Sans', sans-serif;
  font-size: 13px; cursor: pointer; transition: all .1s; text-align: left;
}
.hm-item:hover, .hm-item-row:hover { background: var(--bg2); color: var(--text); }
.hm-item svg, .hm-item-row svg { flex-shrink: 0; }
.hm-divider { height: 1px; background: var(--border); margin: 4px 6px; }
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 13px; border-radius: var(--r);
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 13px; font-weight: 500;
  cursor: pointer; border: 1px solid transparent;
  transition: all .15s; line-height: 1; white-space: nowrap;
}
.btn svg { flex-shrink: 0; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent2); }
.btn-ghost {
  background: transparent; color: var(--text2);
  border-color: var(--border);
}
.btn-ghost:hover { background: var(--bg2); color: var(--text); }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-danger { background: var(--danger-bg); color: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.theme-pill {
  display: flex; align-items: center; gap: 5px;
  padding: 5px 10px; border-radius: 20px;
  border: 1px solid var(--border); background: var(--surface2);
  cursor: pointer; font-size: 12px; color: var(--text2);
  transition: all .2s; user-select: none;
}
.theme-pill:hover { border-color: var(--accent); color: var(--accent); }
.main { max-width: 880px; margin: 0 auto; padding: 28px 20px 72px; }
.stats {
  display: grid; grid-template-columns: repeat(4,1fr);
  gap: 10px; margin-bottom: 22px;
}
.stat {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r); padding: 14px 16px;
  display: flex; flex-direction: column; gap: 4px;
}
.stat-num {
  font-family: 'Playfair Display', serif;
  font-size: 28px; font-weight: 700; color: var(--accent); line-height: 1;
}
.stat-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; text-transform: uppercase; letter-spacing: .8px; color: var(--text3);
}
.toolbar { display: flex; gap: 8px; margin-bottom: 16px; align-items: center; flex-wrap: wrap; }
.toolbar .btn { height: 34px; }
.search-wrap {
  flex: 1; min-width: 180px; height: 34px;
  display: flex; align-items: center; gap: 8px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r); padding: 0 12px;
  transition: border-color .15s;
}
.search-wrap:focus-within { border-color: var(--accent); }
.search-wrap svg { color: var(--text3); flex-shrink: 0; }
.search-wrap input {
  flex: 1; border: none; background: transparent;
  color: var(--text); font-family: 'IBM Plex Sans', sans-serif;
  font-size: 13px; padding: 8px 0; outline: none;
}
.search-wrap input::placeholder { color: var(--text3); }
.empty { text-align: center; padding: 64px 24px; color: var(--text3); }
.empty-icon { font-size: 44px; margin-bottom: 16px; opacity: .5; }
.empty h3 { font-family: 'Playfair Display', serif; font-size: 20px; color: var(--text2); margin-bottom: 8px; }
.empty p { font-size: 14px; }
.todo-list { display: flex; flex-direction: column; gap: 6px; }
.ti {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r); overflow: hidden;
  transition: box-shadow .15s;
}
.ti:hover { box-shadow: var(--shadow); }
.d1 { border-left: 3px solid var(--accent); }
.d2 { border-left: 3px solid var(--warn); }
.d3 { border-left: 3px solid var(--success); }
.d4 { border-left: 3px solid var(--purple); }
.ti-head {
  display: flex; align-items: center; gap: 8px;
  padding: 11px 13px;
}
.ti-toggle {
  width: 20px; height: 20px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text3); cursor: pointer; flex-shrink: 0;
  border-radius: 4px; transition: all .15s;
}
.ti-toggle:hover { background: var(--bg2); color: var(--text); }
.ti-toggle svg { transition: transform .2s; }
.ti-toggle.expanded svg { transform: rotate(90deg); }
.ti-toggle.leaf { opacity: 0; pointer-events: none; }
.ti-check {
  width: 18px; height: 18px; border-radius: 4px;
  border: 2px solid var(--border); display: flex;
  align-items: center; justify-content: center;
  flex-shrink: 0; cursor: pointer;
  transition: all .2s; background: var(--surface);
}
.ti-check.partial { border-color: var(--accent); background: var(--accent-bg); }
.ti-check.partial svg { color: var(--accent); }
.ti-check.done { border-color: var(--success); background: var(--success); }
.ti-check.done svg { color: #fff; }
.ti-content { flex: 1; min-width: 0; }
.ti-title {
  font-size: 14px; font-weight: 500; color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  line-height: 1.35;
}
.ti-title.done { text-decoration: line-through; color: var(--text3); }
.ti-meta {
  display: flex; align-items: center; gap: 10px;
  margin-top: 2px; flex-wrap: wrap;
}
.ti-date {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; color: var(--text3);
}
.ti-pct { display: flex; align-items: center; gap: 5px; }
.mini-bar {
  width: 52px; height: 4px; background: var(--bg3);
  border-radius: 2px; overflow: hidden;
}
.mini-fill {
  height: 100%; border-radius: 2px; background: var(--accent);
  transition: width .4s;
}
.mini-fill.done { background: var(--success); }
.pct-txt {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; color: var(--text3); min-width: 32px;
}
.child-count {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; color: var(--text3);
  background: var(--bg3); padding: 1px 6px;
  border-radius: 10px;
}
.ti-actions {
  display: flex; align-items: center; gap: 2px;
  opacity: 0; transition: opacity .15s; flex-shrink: 0;
}
.ti:hover .ti-actions,
.ti-actions:focus-within { opacity: 1; }
.ia {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 5px; border: none; background: transparent;
  color: var(--text3); cursor: pointer; transition: all .15s;
}
.ia:hover { background: var(--bg2); color: var(--text); }
.ia.del:hover { background: var(--danger-bg); color: var(--danger); }
.ia.add-child:hover { background: var(--accent-bg); color: var(--accent); }
.ia.archive:hover { background: var(--warn-bg); color: var(--warn); }
.ti-prog { height: 3px; background: var(--bg3); }
.ti-prog-fill { height: 100%; background: var(--accent); transition: width .4s; }
.ti-prog-fill.done { background: var(--success); }
.ti-children {
  display: none; border-top: 1px solid var(--border);
  padding: 8px 8px 8px 30px; background: var(--bg2);
}
.ti-children.open { display: block; }
.ti-children .todo-list { gap: 5px; }
.overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.45); backdrop-filter: blur(3px);
  display: flex; align-items: center; justify-content: center;
  z-index: 200; opacity: 0; pointer-events: none;
  transition: opacity .2s; padding: 16px;
}
.overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 28px;
  width: 100%; max-width: 520px; max-height: 90vh;
  overflow-y: auto;
  transform: scale(.96) translateY(8px);
  transition: transform .2s;
  box-shadow: var(--shadow-lg);
}
.overlay.open .modal { transform: scale(1) translateY(0); }
.modal-title {
  font-family: 'Playfair Display', serif;
  font-size: 22px; margin-bottom: 22px; color: var(--text);
}
.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px; font-weight: 500;
  text-transform: uppercase; letter-spacing: .7px;
  color: var(--text2); margin-bottom: 6px;
}
.form-input, .form-textarea {
  width: 100%; padding: 9px 12px;
  border: 1px solid var(--border); border-radius: var(--r);
  background: var(--bg2); color: var(--text);
  font-family: 'IBM Plex Sans', sans-serif; font-size: 14px;
  outline: none; transition: border-color .15s;
}
.form-input:focus, .form-textarea:focus { border-color: var(--accent); }
.form-input.err { border-color: var(--danger); }
.form-textarea { min-height: 80px; resize: vertical; }
.range-wrap { display: flex; align-items: center; gap: 12px; }
.form-range {
  flex: 1; height: 6px; border-radius: 3px;
  border: none; accent-color: var(--accent);
  cursor: pointer; background: var(--bg3); outline: none;
}
.range-val {
  font-family: 'Playfair Display', serif;
  font-size: 22px; font-weight: 700; color: var(--accent);
  min-width: 48px; text-align: right;
}
.form-note {
  font-size: 12px; color: var(--text3); margin-top: 6px;
  font-style: italic; line-height: 1.4;
}
.form-note.warn { color: var(--warn); }
.date-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.date-box {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--r); padding: 9px 12px;
}
.date-box-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; text-transform: uppercase; letter-spacing: .5px;
  color: var(--text3); margin-bottom: 3px;
}
.date-box-val { font-size: 13px; color: var(--text2); }
.modal-footer {
  display: flex; gap: 8px; justify-content: flex-end;
  margin-top: 24px; padding-top: 18px; border-top: 1px solid var(--border);
}
.import-ta {
  width: 100%; height: 160px;
  font-family: 'IBM Plex Mono', monospace; font-size: 12px;
  padding: 12px; border: 1px solid var(--border); border-radius: var(--r);
  background: var(--bg2); color: var(--text); resize: vertical; outline: none;
}
.import-ta:focus { border-color: var(--accent); }
.import-mode {
  display: flex; gap: 8px; margin-bottom: 14px;
}
.import-mode label {
  display: flex; align-items: center; gap: 5px;
  font-size: 13px; color: var(--text2); cursor: pointer;
}
.import-err { font-size: 12px; color: var(--danger); margin-top: 6px; min-height: 18px; }
#fileInput { display: none; }
.notif {
  position: fixed; bottom: 24px; right: 24px;
  background: var(--text); color: var(--bg);
  padding: 11px 18px; border-radius: var(--r);
  font-size: 13px; font-weight: 500; z-index: 300;
  transform: translateY(60px); opacity: 0;
  transition: all .3s cubic-bezier(.34,1.56,.64,1);
  pointer-events: none;
}
.notif.show { transform: translateY(0); opacity: 1; }
.print-section { display: none; }
.share-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 10px; background: var(--bg2); border-radius: var(--r);
  margin-bottom: 6px;
}
.share-item-info { font-size: 13px; }
.share-item-perm {
  font-family: 'IBM Plex Mono', monospace; font-size: 10px;
  text-transform: uppercase; letter-spacing: .5px; padding: 2px 6px;
  border-radius: 4px;
}
.share-perm-read { background: var(--accent-bg); color: var(--accent); }
.share-perm-write { background: var(--success-bg); color: var(--success); }
.share-item-remove {
  color: var(--text3); cursor: pointer; background: none; border: none;
  padding: 4px; border-radius: 4px; display: flex;
}
.share-item-remove:hover { background: var(--danger-bg); color: var(--danger); }
.current-user {
  font-size: 12px; color: var(--text3);
  white-space: nowrap;
}
.header-right .btn {
  padding: 0 10px; font-size: 12px; height: 36px;
  border-radius: 0; text-decoration: none;
  background: none; color: var(--text3); border: none;
}
.header-right .btn:hover { background: var(--bg2); color: var(--text); }
.badge-shared {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 9px; padding: 1px 5px; border-radius: 4px;
  background: var(--accent-bg); color: var(--accent);
  margin-left: 6px; white-space: nowrap;
}
.badge-readonly {
  background: var(--warn-bg); color: var(--warn);
}
.badge-att {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 9px; padding: 1px 5px; border-radius: 4px;
  background: var(--bg3); color: var(--text2);
  margin-left: 6px; white-space: nowrap;
}
.att-item {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 8px; background: var(--bg2); border-radius: var(--r);
  margin-bottom: 4px;
}
.att-thumb {
  width: 36px; height: 36px; object-fit: cover;
  border-radius: 4px; border: 1px solid var(--border);
  flex-shrink: 0;
}
.att-name {
  flex: 1; font-size: 12px; color: var(--text2);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.att-del {
  color: var(--text3); cursor: pointer; background: none; border: none;
  padding: 4px; border-radius: 4px; display: flex; flex-shrink: 0;
}
.att-del:hover { background: var(--danger-bg); color: var(--danger); }
.arch-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 10px; background: var(--bg2); border-radius: var(--r);
  margin-bottom: 6px;
}
.arch-item-info { display: flex; flex-direction: column; gap: 2px; overflow: hidden; }
.arch-item-info strong { font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.arch-unarch {
  color: var(--text3); cursor: pointer; background: none; border: none;
  padding: 4px; border-radius: 4px; display: flex; flex-shrink: 0;
}
.arch-unarch:hover { background: var(--accent-bg); color: var(--accent); }
.ti-att-strip {
  display: flex; flex-direction: column; gap: 4px;
  padding: 0 0 6px; background: var(--bg2);
}
.ti-att-thumb {
  width: 100%; height: 60px;
  object-fit: cover; object-position: top;
  cursor: pointer; transition: opacity .15s;
}
.ti-att-thumb:hover { opacity: .75; }
.ti-att-thumb:first-child { padding-top: 0; }
.ti.dragging { opacity: .35; }
.ti.drag-target { border-color: var(--accent) !important; box-shadow: 0 0 0 2px var(--accent); }
.ti[draggable="true"] { cursor: grab; }
.ti[draggable="true"]:active { cursor: grabbing; }
.preview-wrap {
  max-width: 90vw; max-height: 90vh; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.preview-img {
  max-width: 100%; max-height: 90vh;
  border-radius: 8px; box-shadow: var(--shadow-lg);
  object-fit: contain; background: #fff;
}
@media print {
  @page { margin: 15mm 12mm; }
  body > *:not(.print-section) { display: none !important; }
  .badge-att, .ti-att-strip, .att-item, .att-thumb, .att-name, .att-del { display: none !important; }
  .print-section {
    display: block !important;
    font-family: 'IBM Plex Sans', sans-serif;
    color: #000; background: #fff; line-height: 1.25;
  }
  .pr-header {
    display: flex; justify-content: space-between; align-items: flex-end;
    border-bottom: 2px solid #1A1612; padding-bottom: 5px; margin-bottom: 10px;
    page-break-after: avoid;
  }
  .pr-logo {
    font-family: 'Playfair Display', serif;
    font-size: 22px; font-weight: 700;
  }
  .pr-meta { font-family: 'IBM Plex Mono', monospace; font-size: 9px; color: #666; text-align: right; line-height: 1.3; }
  .pr-summary {
    display: flex; gap: 16px; margin-bottom: 14px;
    padding: 7px 12px; background: #f5f5f5; border-radius: 6px;
    font-family: 'IBM Plex Mono', monospace; font-size: 10px; color: #444;
  }
  .pr-summary strong { color: #000; }
  .pr-section-title {
    font-family: 'Playfair Display', serif;
    font-weight: 700; color: #444;
    margin-bottom: 6px; padding-bottom: 2px;
    border-bottom: 1px solid #ddd; text-transform: uppercase;
    letter-spacing: 1px; font-size: 10px;
    page-break-after: avoid;
  }
  .pr-item {
    margin-bottom: 3px; padding: 4px 8px; line-height: 1.25;
    border-left: 2px solid #ccc;
  }
  .pr-item.pr-depth-3,
  .pr-item.pr-depth-4,
  .pr-item.pr-depth-5,
  .pr-item.pr-depth-6,
  .pr-item.pr-depth-7,
  .pr-item.pr-depth-8,
  .pr-item.pr-depth-9 { page-break-inside: avoid; }
  .pr-item.s-done { border-left-color: #2B8A58; }
  .pr-item.s-partial { border-left-color: #C0581F; }
  .pr-item.s-none { border-left-color: #ccc; }
  .pr-row { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; }
  .pr-item-title { font-size: 11px; font-weight: 600; }
  .pr-item-title.done { text-decoration: line-through; color: #888; }
  .pr-item-pct {
    font-family: 'IBM Plex Mono', monospace; font-size: 10px;
    color: #C0581F; white-space: nowrap; font-weight: 600;
  }
  .pr-item-desc { font-size: 10px; color: #555; margin-top: 1px; }
  .pr-item-dates {
    font-family: 'IBM Plex Mono', monospace; font-size: 9px; color: #aaa; margin-top: 1px;
  }
  .pr-children { margin-left: 16px; margin-top: 2px; border-left: 1px solid #eee; padding-left: 8px; }
  .pr-bar-wrap { height: 3px; background: #eee; border-radius: 2px; margin-top: 2px; overflow: hidden; }
  .pr-bar-fill { height: 100%; border-radius: 2px; background: #C0581F; }
  .pr-bar-fill.done { background: #2B8A58; }
}
@media (max-width: 640px) {
  .stats { grid-template-columns: repeat(2,1fr); }
  .header { padding: 0 14px; }
  .main { padding: 16px 12px 60px; }
}