:root {
  --bg: #f4f5f9; --panel: #ffffff; --panel-2: #f8f9fc; --border: #e3e6ee; --text: #1c2233; --muted: #6b7386;
  --accent: #4f46e5; --accent-soft: #eef0ff; --danger: #dc2626; --ok: #16a34a; --warn: #d97706;
  --shadow: 0 1px 2px rgba(16,24,40,.06), 0 1px 3px rgba(16,24,40,.08);
  --shadow-lg: 0 12px 32px rgba(16,24,40,.18);
  --radius: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1218; --panel: #171b24; --panel-2: #1d222d; --border: #2a303d; --text: #e6e9f0; --muted: #8e97a8;
    --accent: #818cf8; --accent-soft: #23264a; --shadow: 0 1px 2px rgba(0,0,0,.4); --shadow-lg: 0 12px 32px rgba(0,0,0,.5);
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--accent); text-decoration: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.25; }
h1 { font-size: 22px; } h2 { font-size: 18px; } h3 { font-size: 15px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.row { display: flex; gap: 8px; align-items: center; }
.row.wrap { flex-wrap: wrap; }
.spacer { flex: 1; }
.hidden { display: none !important; }

button, .btn {
  font: inherit; border: 1px solid var(--border); background: var(--panel); color: var(--text);
  padding: 7px 12px; border-radius: 8px; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; white-space: nowrap;
}
button:hover, .btn:hover { background: var(--panel-2); }
button.primary, .btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.primary:hover { filter: brightness(1.08); }
button.danger { color: var(--danger); }
button.ghost { border-color: transparent; background: transparent; }
button.ghost:hover { background: var(--panel-2); }
button.icon { padding: 4px 8px; }
button:disabled { opacity: .5; cursor: default; }

input, select, textarea {
  font: inherit; color: var(--text); background: var(--panel); border: 1px solid var(--border);
  border-radius: 8px; padding: 7px 10px; width: 100%;
}
input[type=checkbox], input[type=radio] { width: auto; flex-shrink: 0; }
input[type=color] { padding: 2px; width: 40px; height: 34px; }
textarea { min-height: 80px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: transparent; }
label.field { display: block; margin-bottom: 12px; }
label.field > span { display: block; font-weight: 600; font-size: 13px; margin-bottom: 4px; }
label.field > span .req { color: var(--danger); }
label.field .help { font-size: 12px; color: var(--muted); margin-top: 2px; }

/* ---------- layout ---------- */
#app { display: flex; height: 100vh; }
.sidebar { width: 240px; flex-shrink: 0; background: var(--panel); border-right: 1px solid var(--border); display: flex; flex-direction: column; }
.brand { display: flex; align-items: center; gap: 10px; padding: 16px; font-weight: 700; font-size: 17px; }
.brand .logo { width: 30px; height: 30px; border-radius: 8px; background: linear-gradient(135deg, #4f46e5, #06b6d4); display: grid; place-items: center; color: #fff; font-size: 16px; }
.nav { padding: 4px 8px; overflow-y: auto; flex: 1; }
.nav a { display: flex; align-items: center; gap: 10px; padding: 7px 10px; border-radius: 8px; color: var(--text); }
.nav a:hover { background: var(--panel-2); }
.nav a.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.nav .section { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); padding: 14px 10px 6px; }
.nav .dot { width: 22px; height: 22px; border-radius: 6px; display: grid; place-items: center; font-size: 13px; flex-shrink: 0; }
.nav .count { margin-left: auto; font-size: 11px; color: var(--muted); }
.userbox { border-top: 1px solid var(--border); padding: 12px; display: flex; align-items: center; gap: 10px; }
.avatar { width: 28px; height: 28px; border-radius: 50%; background: var(--accent); color: #fff; display: inline-grid; place-items: center; font-size: 12px; font-weight: 700; flex-shrink: 0; object-fit: cover; }
.avatar.sm { width: 22px; height: 22px; font-size: 10px; }
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; overflow: hidden; }
.topbar { display: flex; align-items: center; gap: 12px; padding: 14px 24px; border-bottom: 1px solid var(--border); background: var(--panel); }
.content { flex: 1; overflow: auto; padding: 24px; }
.menu-toggle { display: none; }

.searchbox { position: relative; width: 280px; }
.searchbox input { padding-left: 30px; }
.searchbox::before { content: "⌕"; position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--muted); }
.search-results { position: absolute; top: 40px; left: 0; right: 0; background: var(--panel); border: 1px solid var(--border); border-radius: 8px; box-shadow: var(--shadow-lg); z-index: 50; max-height: 360px; overflow: auto; }
.search-results a { display: block; padding: 8px 12px; color: var(--text); border-bottom: 1px solid var(--border); }
.search-results a:hover { background: var(--panel-2); }

/* ---------- home ---------- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.tile { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); cursor: pointer; transition: transform .1s, box-shadow .1s; color: var(--text); display: block; }
.tile:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.tile .ic { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; font-size: 20px; margin-bottom: 12px; }
.tile.new { border-style: dashed; display: grid; place-items: center; color: var(--muted); min-height: 150px; box-shadow: none; }
.stats { display: flex; gap: 14px; margin-top: 10px; font-size: 12px; color: var(--muted); }
.stats b { color: var(--text); }
.stats .bad b { color: var(--danger); }

/* ---------- pipe header + tabs ---------- */
.pipe-head { padding: 16px 24px 0; background: var(--panel); border-bottom: 1px solid var(--border); }
.pipe-head .ic { width: 36px; height: 36px; border-radius: 9px; display: grid; place-items: center; font-size: 18px; }
.tabs { display: flex; gap: 4px; margin-top: 12px; }
.tabs a { padding: 9px 14px; color: var(--muted); border-bottom: 2px solid transparent; font-weight: 500; }
.tabs a.active { color: var(--accent); border-color: var(--accent); }
.toolbar { display: flex; gap: 8px; align-items: center; padding: 12px 24px; flex-wrap: wrap; }
.toolbar input, .toolbar select { width: auto; }

/* ---------- kanban ---------- */
.board { display: flex; gap: 14px; padding: 0 24px 24px; overflow-x: auto; flex: 1; align-items: flex-start; }
.col { width: 290px; flex-shrink: 0; background: var(--panel-2); border: 1px solid var(--border); border-radius: var(--radius); display: flex; flex-direction: column; max-height: 100%; }
.col-head { padding: 10px 12px; display: flex; align-items: center; gap: 8px; border-top: 3px solid var(--c, var(--muted)); border-radius: var(--radius) var(--radius) 0 0; }
.col-head .name { font-weight: 600; }
.col-head .badge { background: var(--panel); border: 1px solid var(--border); border-radius: 999px; padding: 0 8px; font-size: 12px; color: var(--muted); }
.col-body { padding: 8px; overflow-y: auto; min-height: 60px; flex: 1; display: flex; flex-direction: column; gap: 8px; }
.col.no-drop { opacity: .35; }
.col.drop .col-body { background: var(--accent-soft); outline: 2px dashed var(--accent); outline-offset: -4px; border-radius: 8px; }
.kcard { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; box-shadow: var(--shadow); cursor: pointer; }
.kcard:hover { border-color: var(--accent); }
.kcard.dragging { opacity: .4; }
.kcard .t { font-weight: 600; margin-bottom: 6px; word-break: break-word; }
.kcard .meta { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; font-size: 12px; color: var(--muted); }
.kcard .kv { font-size: 12px; color: var(--muted); margin-bottom: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.kcard.late { border-left: 3px solid var(--danger); }
.chip { display: inline-flex; align-items: center; gap: 4px; padding: 1px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; background: var(--panel-2); border: 1px solid var(--border); }
.chip.label { color: #fff; border: none; }
.chip.over { background: #fee2e2; color: #b91c1c; border-color: #fecaca; }
.chip.soon { background: #fef3c7; color: #92400e; border-color: #fde68a; }
.chip.ok { background: #dcfce7; color: #166534; border-color: #bbf7d0; }
@media (prefers-color-scheme: dark) {
  .chip.over { background: #3b1414; color: #fca5a5; border-color: #5b1d1d; }
  .chip.soon { background: #3a2a0a; color: #fcd34d; border-color: #5a400f; }
  .chip.ok { background: #0f2e1b; color: #86efac; border-color: #1a4a2c; }
}
.add-card { margin: 0 8px 8px; justify-content: center; border-style: dashed; color: var(--muted); background: transparent; }

/* ---------- table ---------- */
/* Pipe tabs live in a fixed-height column; these fill the remaining height and scroll inside it. */
.scroll { flex: 1; min-height: 0; overflow: auto; }
.table-wrap { padding: 0 24px 24px; overflow: auto; flex: 1; min-height: 0; }
table { border-collapse: collapse; width: 100%; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border); white-space: nowrap; max-width: 260px; overflow: hidden; text-overflow: ellipsis; }
th { background: var(--panel-2); font-size: 12px; color: var(--muted); font-weight: 600; cursor: pointer; user-select: none; }
tr.clickable:hover td { background: var(--panel-2); cursor: pointer; }

/* ---------- modal / drawer ---------- */
.overlay { position: fixed; inset: 0; background: rgba(10,14,25,.45); z-index: 100; display: flex; justify-content: center; align-items: flex-start; padding: 6vh 16px; overflow-y: auto; }
.modal { background: var(--panel); border-radius: 14px; box-shadow: var(--shadow-lg); width: 100%; max-width: 560px; }
.modal.wide { max-width: 760px; }
.modal-head { display: flex; align-items: center; gap: 10px; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.modal-body { padding: 20px; }
.modal-foot { display: flex; gap: 8px; justify-content: flex-end; padding: 14px 20px; border-top: 1px solid var(--border); }
.overlay.drawer { justify-content: flex-end; padding: 0; align-items: stretch; }
.drawer .modal { max-width: 1140px; border-radius: 0; height: 100vh; display: flex; flex-direction: column; }
.drawer .modal-body { flex: 1; overflow: auto; display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 24px; }
/* Card window: phase menu | selected phase's form + comments | details */
.drawer .modal-body.card-body { grid-template-columns: 210px minmax(0, 1fr) 280px; align-items: start; }
.card-nav { position: sticky; top: 0; display: flex; flex-direction: column; }
.card-nav-title { text-transform: uppercase; letter-spacing: .06em; font-size: 11px; margin: 0 0 8px 4px; }
.card-nav button { display: flex; align-items: flex-start; gap: 10px; width: 100%; text-align: left; white-space: normal; border-color: transparent; background: transparent; padding: 8px 10px; }
.card-nav button:hover { background: var(--panel-2); }
.card-nav button.active { background: var(--accent-soft); border-color: var(--accent); }
.card-nav button .dot { width: 10px; height: 10px; border-radius: 50%; margin-top: 4px; flex-shrink: 0; }
.card-nav button.is-current .dot { box-shadow: 0 0 0 3px var(--panel), 0 0 0 5px var(--accent); }
.card-nav .nav-text { display: flex; flex-direction: column; min-width: 0; }
.card-nav .nav-name { font-weight: 600; font-size: 13px; line-height: 1.3; }
.card-nav .nav-line { width: 2px; height: 10px; background: var(--border); margin-left: 14px; }
@media (max-width: 1100px) {
  .drawer .modal-body.card-body { grid-template-columns: 190px minmax(0, 1fr); }
  .drawer .modal-body.card-body > :last-child { grid-column: 2; }
}
.title-input { font-size: 20px; font-weight: 700; border-color: transparent; background: transparent; padding: 4px 6px; }
.title-input:hover { border-color: var(--border); }
.phase-strip { display: flex; gap: 4px; overflow-x: auto; padding: 12px 20px; border-bottom: 1px solid var(--border); }
.phase-strip button { font-size: 12px; padding: 5px 10px; border-radius: 999px; }
.phase-strip button.cur { background: var(--c); border-color: var(--c); color: #fff; font-weight: 600; opacity: 1; }
.phase-strip button.past { opacity: .55; cursor: default; }
.phase-strip button.next { border-style: dashed; border-color: var(--c); }
.phase-strip button:disabled { cursor: default; }
.box { background: var(--panel-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; margin-bottom: 16px; }
.box h4 { font-size: 13px; margin-bottom: 10px; display: flex; gap: 6px; align-items: center; }
.box.current { border-color: var(--accent); }
.comment { display: flex; gap: 10px; margin-bottom: 12px; }
.comment .bubble { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; flex: 1; white-space: pre-wrap; word-break: break-word; }
.activity-item { font-size: 12px; padding: 6px 0; border-bottom: 1px dashed var(--border); }
.files { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; }
.file-row { display: flex; align-items: center; gap: 6px; padding: 3px 0; word-break: break-all; }
.btn.small { font-size: 12px; padding: 4px 10px; }
.btn.ghost { border-color: transparent; background: transparent; }
.btn.ghost:hover { background: var(--panel-2); }
.btn.icon { padding: 4px 8px; }

/* ---------- attachment preview ---------- */
.preview-overlay { z-index: 200; padding: 2vh 2vw; align-items: stretch; }
.preview { background: var(--panel); border-radius: 14px; box-shadow: var(--shadow-lg); width: 100%; display: flex; flex-direction: column; overflow: hidden; }
.preview-head { display: flex; align-items: center; gap: 8px; padding: 10px 14px; border-bottom: 1px solid var(--border); }
.preview-head [data-nav] { font-size: 22px; line-height: 1; padding: 2px 10px; }
.preview-title { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.preview-body { flex: 1; min-height: 0; background: var(--panel-2); display: flex; }
.preview-frame { flex: 1; width: 100%; height: 100%; border: 0; background: var(--bg); }
.preview-img { flex: 1; display: grid; place-items: center; overflow: auto; padding: 16px; }
.preview-img img { max-width: 100%; max-height: 100%; object-fit: contain; border-radius: 6px; box-shadow: var(--shadow); background: repeating-conic-gradient(#8882 0% 25%, transparent 0% 50%) 50% / 16px 16px; }
.preview-msg { margin: auto; text-align: center; padding: 32px; }
@media (max-width: 860px) { .preview-overlay { padding: 0; } .preview { border-radius: 0; } #pvtab { display: none; } }
.label-pick { display: flex; flex-wrap: wrap; gap: 6px; }
.label-pick .chip { cursor: pointer; opacity: .35; }
.label-pick .chip.on { opacity: 1; }

/* ---------- settings ---------- */
.settings { display: grid; grid-template-columns: 200px 1fr; gap: 24px; padding: 0 24px 24px; max-width: 1100px; }
.settings nav { position: sticky; top: 16px; align-self: start; }
.settings nav a { display: block; padding: 8px 12px; border-radius: 8px; color: var(--text); }
.settings nav a.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.card-panel { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 16px; }
.list-item { display: flex; gap: 8px; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--border); }
.list-item:last-child { border-bottom: none; }
.list-item.phase-row { flex-direction: column; align-items: stretch; gap: 6px; }
.drag-handle { cursor: grab; color: var(--muted); font-size: 18px; line-height: 1; padding: 4px 2px; user-select: none; flex-shrink: 0; }
.drag-handle:hover { color: var(--text); }
.drag-handle:active { cursor: grabbing; }
.list-item.dragging { opacity: .4; }
.list-item.drop-before { box-shadow: inset 0 3px 0 var(--accent); }
.list-item.drop-after { box-shadow: inset 0 -3px 0 var(--accent); }
.list-item.phase-row > .row:first-child { flex-wrap: wrap; }
.list-item.phase-row input[type=text] { min-width: 160px; flex: 1 1 200px; }
.list-item.phase-row label.small { white-space: nowrap; }
.list-item.phase-row input[type=color] { flex-shrink: 0; }
.list-item input[type=text] { flex: 1; }
.pill { font-size: 11px; padding: 1px 8px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.auto-card { border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 14px; margin-bottom: 10px; background: var(--panel-2); }
.auto-card .when { font-size: 13px; }
.switch { position: relative; width: 34px; height: 20px; flex-shrink: 0; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch span { position: absolute; inset: 0; background: var(--border); border-radius: 999px; cursor: pointer; transition: .15s; }
.switch span::before { content: ""; position: absolute; width: 14px; height: 14px; left: 3px; top: 3px; background: #fff; border-radius: 50%; transition: .15s; }
.switch input:checked + span { background: var(--ok); }
.switch input:checked + span::before { transform: translateX(14px); }

/* ---------- reports ---------- */
.kpis { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; margin-bottom: 16px; }
.kpi { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; }
.kpi .v { font-size: 26px; font-weight: 700; }
.kpi .l { font-size: 12px; color: var(--muted); }
.bars .bar-row { display: grid; grid-template-columns: 160px 1fr 60px; gap: 10px; align-items: center; margin-bottom: 8px; font-size: 13px; }
.bars .track { height: 14px; background: var(--panel-2); border-radius: 4px; overflow: hidden; }
.bars .fill { height: 100%; border-radius: 4px; }
.report-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ---------- login ---------- */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; background: radial-gradient(circle at 20% 20%, rgba(79,70,229,.18), transparent 50%), radial-gradient(circle at 80% 80%, rgba(6,182,212,.15), transparent 50%), var(--bg); }
.login .modal { padding: 36px; text-align: center; max-width: 420px; }
.login .logo { width: 56px; height: 56px; font-size: 28px; margin: 0 auto 16px; border-radius: 14px; background: linear-gradient(135deg, #4f46e5, #06b6d4); display: grid; place-items: center; color: #fff; }
.notice { background: #fef3c7; color: #78350f; border: 1px solid #fde68a; border-radius: 8px; padding: 10px 12px; font-size: 12px; text-align: left; margin: 16px 0; }
@media (prefers-color-scheme: dark) { .notice { background: #3a2a0a; color: #fcd34d; border-color: #5a400f; } }

.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: #111827; color: #fff; padding: 10px 16px; border-radius: 8px; z-index: 300; box-shadow: var(--shadow-lg); max-width: 90vw; }
.toast.err { background: var(--danger); }
.empty { text-align: center; padding: 48px 16px; color: var(--muted); }

@media (max-width: 860px) {
  .sidebar { position: fixed; z-index: 120; height: 100vh; transform: translateX(-100%); transition: transform .2s; }
  .sidebar.open { transform: none; box-shadow: var(--shadow-lg); }
  .menu-toggle { display: inline-flex; }
  .searchbox { width: auto; flex: 1; }
  .topbar, .content { padding-left: 16px; padding-right: 16px; }
  .pipe-head, .toolbar, .table-wrap { padding-left: 16px; padding-right: 16px; }
  .board { padding: 0 16px 16px; }
  /* max-content rows: the card body has a fixed height, and grid would otherwise squash the scrolling phase menu's row */
  .drawer .modal-body, .drawer .modal-body.card-body { grid-template-columns: minmax(0, 1fr); grid-auto-rows: max-content; }
  .drawer .modal-body button.primary { white-space: normal; text-align: left; }
  .drawer .modal-body.card-body > :last-child { grid-column: auto; }
  /* Phone: the phase menu becomes a horizontal row of tabs */
  .card-nav { position: static; flex-direction: row; overflow-x: auto; gap: 6px; padding-bottom: 4px; }
  .card-nav-title, .card-nav .nav-line { display: none; }
  .card-nav button { flex: 0 0 auto; width: auto; max-width: 220px; border-color: var(--border); }
  .settings { grid-template-columns: 1fr; padding: 0 16px 16px; }
  .settings nav { display: flex; overflow-x: auto; gap: 4px; position: static; }
  .report-grid { grid-template-columns: 1fr; }
  .bars .bar-row { grid-template-columns: 100px 1fr 50px; }
}