/* ---------- палітра (світла / темна) ---------- */
:root {
  --bg: #f3f4f9; --surface: #ffffff; --surface-2: #eceef6;
  --text: #171a22; --hint: #6b7280; --line: #e4e6ef;
  --accent: #4f46e5; --accent-2: #7c3aed; --on-accent: #ffffff;
  --danger: #dc2626; --ok: #15803d;
  --warn-bg: #fff4d6; --warn-text: #6b4e00;
  --shadow: 0 1px 2px rgba(20,24,40,.05), 0 6px 18px rgba(20,24,40,.07);
  --radius: 16px; --nav-h: 64px;
  color-scheme: light;
}
:root[data-theme="dark"] {
  --bg: #0d0f15; --surface: #171a23; --surface-2: #212534;
  --text: #eceef6; --hint: #98a0b3; --line: #262b3a;
  --accent: #6d66f0; --accent-2: #9a6bf5;
  --danger: #f06262; --ok: #4ade80;
  --warn-bg: #3a3012; --warn-text: #f5d98a;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.35);
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.45 Inter, -apple-system, system-ui, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
main { max-width: 680px; margin: 0 auto; padding: calc(var(--nav-h) + 14px) 16px calc(90px + env(safe-area-inset-bottom)); }
h1 { font-size: 26px; font-weight: 700; letter-spacing: -.02em; margin: 6px 0 14px; }
h2 { font-size: 18px; margin: 0 0 8px; }
h2.section { margin: 28px 0 10px; font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--hint); }
.muted { color: var(--hint); }
.center { text-align: center; padding-top: 48px; }
.row { display: flex; align-items: center; gap: 10px; }
.row.between { justify-content: space-between; }
.small-text { font-size: 13px; margin: 0 0 8px; }
.center-text { text-align: center; margin: 14px 0 0; }

/* ---------- кнопки та поля ---------- */
button, input, select, textarea { font: inherit; }
button {
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: var(--on-accent);
  border: 0; border-radius: 12px; padding: 12px 18px; cursor: pointer; min-height: 46px; font-weight: 600;
  box-shadow: 0 4px 12px color-mix(in srgb, var(--accent) 28%, transparent); transition: transform .08s, opacity .15s;
}
button:active { transform: scale(.98); }
button.secondary { background: var(--surface-2); color: var(--text); box-shadow: none; }
button.danger { background: var(--danger); box-shadow: none; }
button.small { padding: 6px 14px; min-height: 36px; font-size: 14px; }
button:disabled { opacity: .5; }
input, select, textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 12px;
  background: var(--surface); color: var(--text); min-height: 46px;
}
input::placeholder, textarea::placeholder { color: var(--hint); opacity: .8; }
input:focus, select:focus, textarea:focus { outline: 0; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }
label { display: block; margin: 14px 0 6px; font-size: 13px; font-weight: 500; color: var(--hint); }
.row > input, .row > select { flex: 1; }
.row > button { flex: 0 0 auto; }
.actions { display: flex; gap: 10px; margin-top: 18px; }
.actions > * { flex: 1; }

/* ---------- фільтри ---------- */
.chips { display: flex; gap: 8px; overflow-x: auto; padding: 2px 0 14px; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chip {
  flex: 0 0 auto; background: var(--surface); color: var(--text); box-shadow: none;
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px; min-height: 36px; font-size: 14px; font-weight: 500;
}
.chip.active { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: var(--on-accent); border-color: transparent; }

/* ---------- картки ---------- */
.list { display: flex; flex-direction: column; gap: 10px; }
.card { background: var(--surface); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); border: 1px solid var(--line); }
.card[onclick], .card.click { cursor: pointer; }
.card .name { font-weight: 600; }
.card .meta { font-size: 14px; color: var(--hint); margin-top: 2px; word-break: break-word; }
.card.system { background: transparent; box-shadow: none; border: 1px dashed var(--line); }
.badge {
  display: inline-block; font-size: 12px; font-weight: 500; border-radius: 999px; padding: 3px 10px;
  background: var(--surface-2); color: var(--hint); margin-top: 8px; margin-right: 4px;
}
.badge.ok  { background: color-mix(in srgb, var(--ok) 16%, transparent); color: var(--ok); }
.badge.bad { background: color-mix(in srgb, var(--danger) 16%, transparent); color: var(--danger); }
.line { padding: 8px 0; border-bottom: 1px solid var(--line); }
.notice { background: var(--warn-bg); color: var(--warn-text); border-radius: 12px; padding: 10px 14px; margin-top: 10px; font-size: 14px; }
.error { color: var(--danger); margin-top: 8px; font-size: 14px; }
.ok { color: var(--ok); margin-top: 8px; font-size: 14px; }

/* аватар з ініціалами */
.avatar {
  flex: 0 0 auto; width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center;
  color: #fff; font-weight: 700; background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.person { display: flex; align-items: center; gap: 12px; }
.person .grow { flex: 1; min-width: 0; }

/* платежі */
.card.pay { border-left: 6px solid transparent; cursor: pointer; }
.card.pay.hl-green  { border-left-color: #22c55e; }
.card.pay.hl-purple { border-left-color: #8b5cf6; }
.card.pay.hl-yellow { border-left-color: #eab308; }
.card.pay.paid { opacity: .6; }
.card.pay.overdue { outline: 2px solid var(--danger); }

/* ---------- кнопка «+», навігація ---------- */
.fab {
  position: fixed; right: 18px; bottom: calc(20px + env(safe-area-inset-bottom));
  border-radius: 999px; padding: 14px 22px; box-shadow: 0 8px 22px color-mix(in srgb, var(--accent) 40%, transparent);
}
nav.tabs {
  position: fixed; left: 0; right: 0; top: 0; z-index: 10; display: flex; justify-content: center; gap: 0;
  padding: calc(6px + env(safe-area-inset-top)) 4px 6px; overflow: visible; margin: 0;
  background: color-mix(in srgb, var(--surface) 88%, transparent); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
nav.tabs .tab {
  flex: 1; max-width: 120px; display: flex; flex-direction: column; align-items: center; gap: 2px;
  background: none; color: var(--hint); box-shadow: none; border-radius: 12px; padding: 6px 2px; min-height: 52px; font-size: 10.5px; font-weight: 600; min-width: 0;
}
nav.tabs .tab::before { content: attr(data-i); font-size: 21px; line-height: 1; filter: grayscale(1) opacity(.7); }
nav.tabs .tab.active { color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); }
nav.tabs .tab.active::before { filter: none; }
@media (min-width: 900px) {
  main { max-width: 860px; padding-top: 84px; padding-bottom: 60px; }
  nav.tabs { padding: 10px 16px; gap: 6px; }
  nav.tabs .tab { flex: 0 0 auto; flex-direction: row; gap: 8px; max-width: none; padding: 8px 16px; min-height: 40px; font-size: 14px; }
  nav.tabs .tab::before { font-size: 17px; }
  .fab { bottom: 28px; }
}

/* ---------- вхід / запрошення ---------- */
.hero { text-align: center; padding: 28px 0 8px; }
.logo {
  width: 64px; height: 64px; margin: 0 auto 14px; border-radius: 20px; display: grid; place-items: center;
  font-size: 30px; color: #fff; background: linear-gradient(135deg, var(--accent), var(--accent-2)); box-shadow: 0 10px 26px color-mix(in srgb, var(--accent) 35%, transparent);
}
.hero h1 { margin: 0 0 4px; }
.auth-card { background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 6px 18px 20px; box-shadow: var(--shadow); margin-top: 18px; }
.center-box { display: flex; justify-content: center; padding: 18px 0 4px; }
.divider { display: flex; align-items: center; gap: 12px; color: var(--hint); font-size: 13px; margin: 18px 0 0; }
.divider::before, .divider::after { content: ''; flex: 1; height: 1px; background: var(--line); }

/* ---------- запрошення в команду ---------- */
.link-box { display: flex; gap: 8px; align-items: center; margin-top: 8px; }
.link-box input { font-size: 13px; }
.steps { padding-left: 18px; margin: 8px 0 0; color: var(--hint); font-size: 14px; }

main.busy { opacity: .55; pointer-events: none; transition: opacity .15s .12s; }

/* ---------- положення меню (data-nav на <html>) ---------- */
:root { --side-w: 78px; }
html[data-nav="bottom"] main { padding-top: 18px; padding-bottom: calc(var(--nav-h) + 40px + env(safe-area-inset-bottom)); }
html[data-nav="bottom"] nav.tabs { top: auto; bottom: 0; border-bottom: 0; border-top: 1px solid var(--line); padding: 6px 4px calc(6px + env(safe-area-inset-bottom)); }
html[data-nav="bottom"] .fab { bottom: calc(var(--nav-h) + 18px + env(safe-area-inset-bottom)); }

html[data-nav="left"] nav.tabs, html[data-nav="right"] nav.tabs {
  top: 0; bottom: 0; width: var(--side-w); flex-direction: column; justify-content: flex-start; gap: 4px;
  overflow-y: auto; padding: calc(10px + env(safe-area-inset-top)) 6px calc(10px + env(safe-area-inset-bottom));
}
html[data-nav="left"] nav.tabs { left: 0; right: auto; border-bottom: 0; border-right: 1px solid var(--line); }
html[data-nav="right"] nav.tabs { right: 0; left: auto; border-bottom: 0; border-left: 1px solid var(--line); }
html[data-nav="left"] nav.tabs .tab, html[data-nav="right"] nav.tabs .tab { flex: 0 0 auto; width: 100%; max-width: none; min-height: 58px; }
html[data-nav="left"] body { padding-left: var(--side-w); }
html[data-nav="right"] body { padding-right: var(--side-w); }
html[data-nav="left"] main, html[data-nav="right"] main { padding-top: 18px; padding-bottom: 90px; }
html[data-nav="left"] .fab { right: 18px; }
html[data-nav="right"] .fab { right: calc(var(--side-w) + 18px); }

@media (min-width: 900px) {
  :root { --side-w: 210px; }
  html[data-nav="bottom"] main { padding-top: 32px; padding-bottom: 100px; }
  html[data-nav="bottom"] nav.tabs { top: auto; bottom: 0; border-bottom: 0; border-top: 1px solid var(--line); }
  html[data-nav="bottom"] .fab { bottom: 84px; }
  html[data-nav="left"] main, html[data-nav="right"] main { padding-top: 32px; padding-bottom: 60px; }
  html[data-nav="left"] nav.tabs, html[data-nav="right"] nav.tabs { padding: 16px 10px; }
  html[data-nav="left"] nav.tabs .tab, html[data-nav="right"] nav.tabs .tab { flex-direction: row; justify-content: flex-start; gap: 10px; min-height: 44px; font-size: 15px; }
  html[data-nav="left"] nav.tabs .tab::before, html[data-nav="right"] nav.tabs .tab::before { font-size: 18px; }
}

.seg { display: flex; flex-wrap: wrap; gap: 8px; }

/* ---------- колір акценту (data-accent на <html>) ---------- */
:root[data-accent="blue"]   { --accent: #2563eb; --accent-2: #0ea5e9; }
:root[data-accent="green"]  { --accent: #15803d; --accent-2: #10b981; }
:root[data-accent="rose"]   { --accent: #db2777; --accent-2: #f43f5e; }
:root[data-accent="orange"] { --accent: #ea580c; --accent-2: #f59e0b; }
:root[data-theme="dark"][data-accent="blue"]   { --accent: #3b82f6; --accent-2: #38bdf8; }
:root[data-theme="dark"][data-accent="green"]  { --accent: #22a559; --accent-2: #34d399; }
:root[data-theme="dark"][data-accent="rose"]   { --accent: #ec4899; --accent-2: #fb7185; }
:root[data-theme="dark"][data-accent="orange"] { --accent: #f97316; --accent-2: #fbbf24; }
.swatches { display: flex; gap: 12px; flex-wrap: wrap; }
button.swatch {
  width: 40px; height: 40px; min-height: 40px; padding: 0; border-radius: 50%; border: 3px solid transparent;
  box-shadow: none; outline: 1px solid var(--line);
}
button.swatch.active { border-color: var(--surface); outline: 3px solid var(--accent); }
button.swatch[data-c="indigo"] { background: linear-gradient(135deg, #4f46e5, #7c3aed); }
button.swatch[data-c="blue"] { background: linear-gradient(135deg, #2563eb, #0ea5e9); }
button.swatch[data-c="green"] { background: linear-gradient(135deg, #15803d, #10b981); }
button.swatch[data-c="rose"] { background: linear-gradient(135deg, #db2777, #f43f5e); }
button.swatch[data-c="orange"] { background: linear-gradient(135deg, #ea580c, #f59e0b); }

.card.drop { outline: 2px dashed var(--accent); outline-offset: 2px; }