:root {
  --bg: #f4f6fa;
  --panel: #ffffff;
  --panel-2: #fafbfd;
  --border: #e3e8f0;
  --text: #16202f;
  --muted: #6b7a90;
  --accent: #3b6ef6;
  --accent-soft: #e8efff;
  --danger: #e5484d;
  --success: #1f9d63;
  --warn: #e08c19;
  --shadow: 0 1px 2px rgba(16, 30, 54, .05), 0 8px 24px rgba(16, 30, 54, .06);
  --radius: 14px;
}

[data-theme="dark"] {
  --bg: #0e1420;
  --panel: #161e2c;
  --panel-2: #1b2434;
  --border: #26314552;
  --text: #e8edf6;
  --muted: #8b9ab2;
  --accent: #5b8cff;
  --accent-soft: #1d2b48;
  --danger: #ff6169;
  --success: #35c07f;
  --warn: #f0a933;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

button, input, select, textarea { font: inherit; color: inherit; }

/* ------------------------------------------------------------ auth --- */
.auth-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 32px;
  box-shadow: var(--shadow);
}

.auth-card h1 { margin: 0 0 4px; font-size: 22px; }
.auth-card .sub { color: var(--muted); font-size: 14px; margin-bottom: 24px; }
.auth-logo { font-size: 30px; margin-bottom: 12px; }

/* ---------------------------------------------------------- layout --- */
.app { display: none; min-height: 100vh; }
.app.on { display: block; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 24px;
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.brand { font-weight: 650; font-size: 16px; letter-spacing: -.2px; white-space: nowrap; }
.brand span { color: var(--accent); }

.nav { display: flex; gap: 2px; flex: 1; flex-wrap: wrap; }

.nav button {
  background: none;
  border: 0;
  padding: 8px 14px;
  border-radius: 9px;
  color: var(--muted);
  cursor: pointer;
  font-weight: 500;
  white-space: nowrap;
}

.nav button:hover { background: var(--panel-2); color: var(--text); }
.nav button.on { background: var(--accent-soft); color: var(--accent); }

.container { max-width: 1360px; margin: 0 auto; padding: 22px 24px 60px; }

.page { display: none; }
.page.on { display: block; animation: fade .18s ease; }

@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

/* ------------------------------------------------------------ bits --- */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}

.card h3 {
  margin: 0 0 14px;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: var(--muted);
}

.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
.g-2-1 { grid-template-columns: 2fr 1fr; }

.kpi { display: flex; flex-direction: column; gap: 6px; }
.kpi .label { font-size: 12.5px; color: var(--muted); font-weight: 500; }
.kpi .value { font-size: 25px; font-weight: 660; letter-spacing: -.6px; }
.kpi .delta { font-size: 12.5px; color: var(--muted); }
.up { color: var(--danger); }
.down { color: var(--success); }
.pos { color: var(--success); }
.neg { color: var(--danger); }

.toolbar {
  display: flex;
  gap: 10px;
  align-items: flex-end;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.field { display: flex; flex-direction: column; gap: 5px; }
.field > label { font-size: 11.5px; color: var(--muted); font-weight: 600; letter-spacing: .3px; }

input, select, textarea {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 8px 11px;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
  min-width: 0;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 16%, transparent);
}

.w-full { width: 100%; }

.btn {
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 9px;
  padding: 9px 16px;
  cursor: pointer;
  font-weight: 550;
  transition: filter .15s, opacity .15s;
  white-space: nowrap;
}

.btn:hover { filter: brightness(1.07); }
.btn:disabled { opacity: .55; cursor: default; }
.btn.ghost { background: var(--panel); color: var(--text); border: 1px solid var(--border); }
.btn.ghost:hover { background: var(--panel-2); }
.btn.danger { background: var(--danger); }
.btn.sm { padding: 6px 11px; font-size: 13px; }

.chips { display: flex; gap: 6px; flex-wrap: wrap; }

.chip {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 20px;
  padding: 5px 13px;
  font-size: 13px;
  cursor: pointer;
  color: var(--muted);
}

.chip:hover { border-color: var(--accent); }
.chip.on { background: var(--accent-soft); border-color: transparent; color: var(--accent); font-weight: 550; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th {
  text-align: left;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--muted);
  font-weight: 600;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
td { padding: 9px 10px; border-bottom: 1px solid var(--border); }
tbody tr:hover { background: var(--panel-2); }
tbody tr:last-child td { border-bottom: 0; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.tbl-wrap { overflow-x: auto; }

.tag {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 6px;
  font-size: 12px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--muted);
  white-space: nowrap;
}

.dot { display: inline-block; width: 9px; height: 9px; border-radius: 3px; margin-right: 7px; vertical-align: 1px; }

.bar-bg { height: 7px; background: var(--panel-2); border-radius: 4px; overflow: hidden; border: 1px solid var(--border); }
.bar-fill { height: 100%; background: var(--accent); border-radius: 4px; transition: width .4s; }

.chart-box { position: relative; height: 280px; }
.chart-box.sm { height: 230px; }

.muted { color: var(--muted); }
.empty { text-align: center; padding: 40px 20px; color: var(--muted); }
.err { color: var(--danger); font-size: 13.5px; min-height: 20px; margin-top: 10px; }
.ok-msg { color: var(--success); font-size: 13.5px; }

/* --------------------------------------------------------- modal --- */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(10, 16, 28, .55);
  display: none;
  place-items: center;
  padding: 20px;
  z-index: 100;
  backdrop-filter: blur(3px);
}

.modal.on { display: grid; }

.modal-card {
  background: var(--panel);
  border-radius: 16px;
  border: 1px solid var(--border);
  padding: 24px;
  width: 100%;
  max-width: 460px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .3);
  max-height: 90vh;
  overflow-y: auto;
}

.modal-card h2 { margin: 0 0 18px; font-size: 18px; }

.toast {
  position: fixed;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--text);
  color: var(--bg);
  padding: 11px 20px;
  border-radius: 10px;
  font-size: 14px;
  opacity: 0;
  transition: .25s;
  z-index: 200;
  pointer-events: none;
}

.toast.on { opacity: 1; transform: translateX(-50%) translateY(0); }

.heat td.cell { text-align: right; font-variant-numeric: tabular-nums; position: relative; }
.heat td.cell span { position: relative; z-index: 1; }
.heat td.cell i {
  position: absolute;
  inset: 3px;
  border-radius: 5px;
  background: var(--accent);
  z-index: 0;
}

.seg { display: flex; border: 1px solid var(--border); border-radius: 9px; overflow: hidden; }
.seg button { background: var(--panel); border: 0; padding: 8px 15px; cursor: pointer; color: var(--muted); }
.seg button.on { background: var(--accent); color: #fff; }

.list-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--border);
}

.list-row:last-child { border-bottom: 0; }

.icon-btn {
  background: none;
  border: 0;
  cursor: pointer;
  color: var(--muted);
  padding: 4px 7px;
  border-radius: 6px;
  font-size: 15px;
}

.icon-btn:hover { background: var(--panel-2); color: var(--text); }
.icon-btn.del:hover { color: var(--danger); }

.fab {
  position: fixed;
  right: 26px;
  bottom: 26px;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  border: 0;
  font-size: 26px;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(59, 110, 246, .4);
  z-index: 30;
}

@media (max-width: 1000px) {
  .g4 { grid-template-columns: repeat(2, 1fr); }
  .g3, .g2, .g-2-1 { grid-template-columns: 1fr; }
  .container { padding: 16px 14px 80px; }
  .topbar { padding: 10px 14px; }
}

/* На узких экранах меню уходит на вторую строку одной прокручиваемой лентой,
   иначе flex-wrap разворачивает его в столбец на весь экран. */
@media (max-width: 760px) {
  .topbar { gap: 10px; padding: 10px 12px; flex-wrap: wrap; }
  .brand { font-size: 15px; margin-right: auto; }
  .nav {
    order: 3;
    flex: 1 0 100%;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .nav::-webkit-scrollbar { display: none; }
  .nav button { padding: 7px 12px; }
  .toolbar { gap: 8px; }
  .toolbar .field { flex: 1 1 140px; }
  .card { padding: 14px; }
}

@media (max-width: 560px) {
  .g4 { grid-template-columns: 1fr; }
  .kpi .value { font-size: 22px; }
  .fab { right: 16px; bottom: 16px; }
}

/* ------------------------------------------------ календарь трат --- */
.cal-scroll { overflow-x: auto; padding-bottom: 4px; }
.cal { display: flex; gap: 8px; min-width: min-content; }
.cal-days { display: grid; grid-template-rows: repeat(7, 14px); gap: 3px; padding-top: 20px; }
.cal-day { font-size: 10px; color: var(--muted); line-height: 14px; width: 20px; }
.cal-months { display: grid; gap: 3px; height: 17px; }
.cal-mon { font-size: 10.5px; color: var(--muted); white-space: nowrap; }
.cal-grid { display: grid; grid-auto-flow: column; grid-template-rows: repeat(7, 14px); gap: 3px; }
.cal-cell { width: 14px; height: 14px; border-radius: 3px; background: var(--panel-2); border: 1px solid var(--border); }
.cal-cell.cal-empty { background: transparent; border-color: transparent; }
.cal-cell.lvl1 { background: color-mix(in srgb, var(--accent) 26%, var(--panel)); border-color: transparent; }
.cal-cell.lvl2 { background: color-mix(in srgb, var(--accent) 50%, var(--panel)); border-color: transparent; }
.cal-cell.lvl3 { background: color-mix(in srgb, var(--accent) 74%, var(--panel)); border-color: transparent; }
.cal-cell.lvl4 { background: var(--accent); border-color: transparent; }
.cal-legend { display: flex; align-items: center; gap: 4px; margin-top: 12px; font-size: 12px; }

/* -------------------------------------------------------- sankey --- */
.sk-scroll { overflow-x: auto; }
.sk-svg { width: 100%; min-width: 720px; height: auto; }
.sk-lbl { font-size: 11.5px; fill: var(--text); }
.sk-val { fill: var(--muted); font-size: 10.5px; }
.sk-rib { transition: fill-opacity .15s; }
.sk-rib:hover { fill-opacity: .68 !important; }

/* ------------------------------------------------------- treemap --- */
.tm { position: relative; width: 100%; border-radius: 10px; overflow: hidden; }
.tm-cell { position: absolute; border: 2px solid var(--panel); border-radius: 8px; overflow: hidden; transition: filter .15s; }
.tm-cell:hover { filter: brightness(1.12); }
.tm-lbl { position: absolute; left: 10px; top: 8px; right: 8px; color: #fff; line-height: 1.25; text-shadow: 0 1px 3px rgba(0,0,0,.35); }
.tm-lbl b { display: block; font-size: 13px; }
.tm-lbl span { font-size: 11.5px; opacity: .9; }
.tm-sub { position: absolute; left: 4px; top: 46px; right: 4px; bottom: 4px; }
.tm-subcell { position: absolute; background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.24); border-radius: 5px; overflow: hidden; }
.tm-subcell span { position: absolute; left: 5px; top: 3px; font-size: 10.5px; color: #fff; white-space: nowrap; text-shadow: 0 1px 2px rgba(0,0,0,.4); }
.sk-lead { stroke: var(--muted); stroke-width: .8; fill: none; opacity: .45; }