:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --surface-2: #fafbfc;
  --border: #e3e6ea;
  --text: #1b2733;
  --muted: #66707a;
  --accent: #2f6fed;
  --accent-contrast: #ffffff;
  --danger: #e5484d;
  --shadow: 0 1px 3px rgba(16,24,40,.08), 0 1px 2px rgba(16,24,40,.06);
  --radius: 10px;
  --header-h: 56px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171c;
    --surface: #1c2027;
    --surface-2: #21262e;
    --border: #2c333d;
    --text: #e6eaef;
    --muted: #9aa4b0;
    --accent: #4b86f2;
    --shadow: 0 1px 3px rgba(0,0,0,.4);
  }
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body { background: var(--bg); color: var(--text); font-size: 14px; }
#app { height: 100vh; display: flex; flex-direction: column; }
button { font: inherit; cursor: pointer; }
a { color: var(--accent); text-decoration: none; }

/* --- header --- */
.hdr { height: var(--header-h); flex: 0 0 auto; background: var(--surface); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 18px; padding: 0 18px; }
.hdr .brand { font-weight: 700; letter-spacing: .3px; }
.hdr .brand span { color: var(--accent); }
.hdr nav { display: flex; gap: 4px; }
.hdr nav a { padding: 7px 12px; border-radius: 8px; color: var(--muted); font-weight: 500; }
.hdr nav a.active { background: var(--surface-2); color: var(--text); }
.hdr .spacer { flex: 1; }
.hdr .who { color: var(--muted); display: flex; align-items: center; gap: 8px; }
.avatar { width: 28px; height: 28px; border-radius: 50%; background: var(--accent); color: var(--accent-contrast);
  display: grid; place-items: center; font-size: 12px; font-weight: 600; }
.btn { border: 1px solid var(--border); background: var(--surface); color: var(--text); padding: 7px 12px; border-radius: 8px; }
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--accent); color: var(--accent-contrast); border-color: transparent; }
.btn.primary:hover { filter: brightness(1.05); }
.btn.ghost { border-color: transparent; background: transparent; color: var(--muted); }
.btn.sm { padding: 4px 9px; font-size: 12.5px; }

/* --- main --- */
.main { flex: 1 1 auto; overflow: hidden; display: flex; flex-direction: column; }
.toolbar { flex: 0 0 auto; display: flex; align-items: center; gap: 10px; padding: 12px 18px; }
.search { flex: 1; max-width: 420px; display: flex; align-items: center; gap: 8px; background: var(--surface);
  border: 1px solid var(--border); border-radius: 8px; padding: 7px 11px; }
.search input { border: 0; outline: 0; background: transparent; color: var(--text); width: 100%; font: inherit; }
.select { background: var(--surface); border: 1px solid var(--border); color: var(--text); border-radius: 8px; padding: 7px 10px; }

/* --- kanban --- */
.board { flex: 1; overflow-x: auto; overflow-y: hidden; display: flex; gap: 14px; padding: 4px 18px 18px; align-items: flex-start; }
.col { flex: 0 0 288px; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius);
  display: flex; flex-direction: column; max-height: 100%; }
.col-head { display: flex; align-items: center; gap: 8px; padding: 11px 13px; font-weight: 600; border-bottom: 1px solid var(--border); }
.col-dot { width: 9px; height: 9px; border-radius: 50%; flex: 0 0 auto; }
.col-count { margin-left: auto; color: var(--muted); font-weight: 500; font-size: 12.5px; }
.col-body { padding: 10px; overflow-y: auto; display: flex; flex-direction: column; gap: 9px; min-height: 40px; }
.col-body.drag-over { background: color-mix(in srgb, var(--accent) 10%, transparent); border-radius: 8px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 9px; padding: 11px 12px; box-shadow: var(--shadow);
  cursor: grab; }
.card:active { cursor: grabbing; }
.card.dragging { opacity: .5; }
.card .c-title { font-weight: 600; margin-bottom: 5px; }
.card .c-row { color: var(--muted); font-size: 12.5px; display: flex; align-items: center; gap: 6px; margin-top: 3px; }
.card .c-money { color: var(--text); font-weight: 600; }
.badge { display: inline-block; padding: 1px 7px; border-radius: 20px; font-size: 11.5px; background: var(--surface-2);
  border: 1px solid var(--border); color: var(--muted); }

/* --- slide-over deal panel --- */
.overlay { position: fixed; inset: 0; background: rgba(10,15,25,.4); display: none; z-index: 40; }
.overlay.open { display: block; }
.panel { position: fixed; top: 0; right: 0; height: 100%; width: min(560px, 96vw); background: var(--surface);
  border-left: 1px solid var(--border); transform: translateX(100%); transition: transform .22s ease; z-index: 50;
  display: flex; flex-direction: column; }
.panel.open { transform: translateX(0); }
.panel-head { padding: 16px 18px; border-bottom: 1px solid var(--border); display: flex; align-items: flex-start; gap: 10px; }
.panel-head h2 { margin: 0; font-size: 17px; }
.panel-body { flex: 1; overflow-y: auto; padding: 16px 18px; display: flex; flex-direction: column; gap: 18px; }
.section h3 { margin: 0 0 9px; font-size: 12px; text-transform: uppercase; letter-spacing: .6px; color: var(--muted); }
.field-grid { display: grid; grid-template-columns: 130px 1fr; gap: 8px 12px; align-items: center; }
.field-grid label { color: var(--muted); }
.field-grid input, .field-grid select, .field-grid textarea { width: 100%; background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 7px; padding: 7px 9px; color: var(--text); font: inherit; }
.feed { display: flex; flex-direction: column; gap: 10px; }
.comment { background: var(--surface-2); border: 1px solid var(--border); border-radius: 9px; padding: 9px 11px; }
.comment .meta { color: var(--muted); font-size: 12px; margin-bottom: 3px; display: flex; gap: 8px; }
.task { display: flex; align-items: center; gap: 9px; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface-2); }
.task.done { opacity: .55; }
.task.done .t-title { text-decoration: line-through; }
.task .t-due { margin-left: auto; font-size: 12px; color: var(--muted); }
.task .t-due.over { color: var(--danger); font-weight: 600; }
.row-add { display: flex; gap: 8px; margin-top: 8px; }
.row-add input { flex: 1; background: var(--surface-2); border: 1px solid var(--border); border-radius: 7px; padding: 8px 10px; color: var(--text); font: inherit; }
textarea.comment-input { width: 100%; min-height: 62px; background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px; padding: 9px 11px; color: var(--text); font: inherit; resize: vertical; }

/* --- login --- */
.login-wrap { flex: 1; display: grid; place-items: center; }
.login-card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; box-shadow: var(--shadow);
  width: 340px; padding: 28px; }
.login-card h1 { margin: 0 0 4px; font-size: 20px; }
.login-card p { margin: 0 0 20px; color: var(--muted); }
.login-card label { display: block; font-size: 12.5px; color: var(--muted); margin: 12px 0 5px; }
.login-card input { width: 100%; background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; color: var(--text); font: inherit; }
.login-card .btn { width: 100%; margin-top: 20px; justify-content: center; }
.err { color: var(--danger); font-size: 13px; margin-top: 12px; min-height: 18px; }

/* --- tasks list view --- */
.list-wrap { flex: 1; overflow-y: auto; padding: 4px 18px 18px; }
.list-card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; max-width: 760px; }
.list-row { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-bottom: 1px solid var(--border); }
.list-row:last-child { border-bottom: 0; }
.empty { color: var(--muted); padding: 30px; text-align: center; }
.spinner { padding: 30px; text-align: center; color: var(--muted); }