:root {
  --ink: #1d1d1f; --ink-2: #4b4b50; --ink-3: #86868b; --line: #e3e3e6; --line-2: #ececef;
  --bg: #f5f5f7; --card: #ffffff; --card-2: #fafafa; --accent: #0a84ff;
  --ok: #1f8a4c; --ok-bg: #e9f6ee; --warn: #b7791f; --warn-bg: #fff6e4; --bad: #c0392b; --bad-bg: #fdecea; --info-bg: #eaf3ff; --neutral-bg: #f0f0f2;
  --t2: #0a84ff; --t4: #c0392b;
  --radius: 14px; --radius-s: 10px; --gutter: 16px; --maxw: 1180px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #f5f5f7; --ink-2: #c7c7cc; --ink-3: #8e8e93; --line: #2c2c2e; --line-2: #26262a;
    --bg: #000000; --card: #141416; --card-2: #1c1c1e; --accent: #0a84ff;
    --ok: #4cd27a; --ok-bg: #0f2a1a; --warn: #f0b24a; --warn-bg: #2d2412; --bad: #ff6b5c; --bad-bg: #331512; --info-bg: #10233a; --neutral-bg: #232326;
    --t2: #5aa9ff; --t4: #ff6b5c;
  }
}
:root[data-theme="dark"] {
  --ink: #f5f5f7; --ink-2: #c7c7cc; --ink-3: #8e8e93; --line: #2c2c2e; --line-2: #26262a;
  --bg: #000000; --card: #141416; --card-2: #1c1c1e; --accent: #0a84ff;
  --ok: #4cd27a; --ok-bg: #0f2a1a; --warn: #f0b24a; --warn-bg: #2d2412; --bad: #ff6b5c; --bad-bg: #331512; --info-bg: #10233a; --neutral-bg: #232326;
  --t2: #5aa9ff; --t4: #ff6b5c;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { font-family: var(--font); background: var(--bg); color: var(--ink); -webkit-font-smoothing: antialiased; text-rendering: geometricPrecision; font-size: 15px; line-height: 1.45; min-height: 100vh; }
a { color: var(--accent); text-decoration: none; }
button { font-family: inherit; font-size: inherit; }
svg.mark { width: auto; height: auto; display: block; }
.num { font-variant-numeric: tabular-nums; }
.muted { color: var(--ink-3); }
.small { font-size: 12.5px; }
.hidden { display: none !important; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12.5px; }

/* ---- login ---- */
.login { min-height: 100vh; display: grid; place-items: center; padding: var(--gutter); }
.login-card { width: 100%; max-width: 400px; background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 36px 32px 32px; }
.login-card .mark { height: 22px; width: calc(22px * 4.4526); margin-bottom: 28px; }
.login-card h1 { font-size: 22px; font-weight: 600; letter-spacing: -0.01em; margin: 0 0 4px; }
.login-card p { margin: 0 0 22px; color: var(--ink-3); }

/* ---- forms ---- */
.field { display: block; margin-bottom: 14px; }
.field span { display: block; font-size: 12.5px; color: var(--ink-2); margin-bottom: 6px; font-weight: 500; }
input, select, textarea { width: 100%; font: inherit; color: var(--ink); background: var(--card-2); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; outline: none; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent); }
textarea { min-height: 72px; resize: vertical; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid var(--line); background: var(--card); color: var(--ink); border-radius: 10px; padding: 9px 14px; font-weight: 500; cursor: pointer; white-space: nowrap; }
.btn:hover { background: var(--card-2); }
.btn.primary { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.btn.primary:hover { opacity: .9; background: var(--ink); }
.btn.danger { color: var(--bad); }
.btn.block { width: 100%; }
.btn.sm { padding: 6px 10px; font-size: 13px; border-radius: 8px; }
.btn[disabled] { opacity: .5; cursor: default; }
.error { color: var(--bad); font-size: 13px; margin: 8px 0 0; min-height: 18px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.grow { flex: 1; min-width: 0; }

/* ---- shell ---- */
.topbar { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: saturate(180%) blur(16px); -webkit-backdrop-filter: saturate(180%) blur(16px); border-bottom: 1px solid var(--line); }
.topbar-in { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); height: 56px; display: flex; align-items: center; gap: 18px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); }
.brand .mark { height: 14px; width: calc(14px * 4.4526); }
.brand .sep { width: 1px; height: 18px; background: var(--line); }
.brand .title { font-size: 14px; font-weight: 500; color: var(--ink-2); letter-spacing: .01em; }
.nav { display: flex; gap: 4px; margin-left: 8px; }
.nav a { color: var(--ink-2); padding: 6px 10px; border-radius: 8px; font-weight: 500; font-size: 14px; }
.nav a.active { background: var(--neutral-bg); color: var(--ink); }
.userbox { margin-left: auto; display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--ink-2); }
.avatar { width: 30px; height: 30px; border-radius: 50%; background: var(--ink); color: var(--bg); display: grid; place-items: center; font-weight: 600; font-size: 12px; }
.tabbar { display: none; }
@media (max-width: 720px) {
  .nav, .userbox .name { display: none; }
  .tabbar { position: fixed; bottom: 0; left: 0; right: 0; z-index: 20; display: flex; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-top: 1px solid var(--line); padding: 6px 8px calc(6px + env(safe-area-inset-bottom)); }
  .tabbar a { flex: 1; text-align: center; color: var(--ink-3); font-size: 11px; font-weight: 500; padding: 6px 0; border-radius: 10px; }
  .tabbar a.active { color: var(--ink); background: var(--neutral-bg); }
  .tabbar a i { display: block; font-style: normal; font-size: 18px; line-height: 1; margin-bottom: 3px; }
  main { padding-bottom: 84px !important; }
}
main { max-width: var(--maxw); margin: 0 auto; padding: 20px var(--gutter) 40px; }

.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; margin: 6px 0 16px; flex-wrap: wrap; }
.page-head h1 { font-size: 26px; font-weight: 600; letter-spacing: -0.02em; margin: 0; }
.page-head .sub { color: var(--ink-3); font-size: 13px; margin-top: 2px; }

/* ---- KPI tiles ---- */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-bottom: 16px; }
.kpi { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; min-width: 0; }
.kpi .l { font-size: 12px; color: var(--ink-3); font-weight: 500; margin-bottom: 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.kpi .v { font-size: 22px; font-weight: 600; letter-spacing: -0.02em; line-height: 1.1; }
.kpi .s { font-size: 12px; color: var(--ink-3); margin-top: 6px; }
.kpi.bad .v { color: var(--bad); }
.kpi.warn .v { color: var(--warn); }
.kpi.ok .v { color: var(--ok); }

/* ---- band bar ---- */
.bands { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; margin-bottom: 16px; }
.bands .bar { display: flex; height: 10px; border-radius: 6px; overflow: hidden; background: var(--neutral-bg); margin: 8px 0 10px; }
.bands .bar i { display: block; height: 100%; }
.bands .legend { display: flex; flex-wrap: wrap; gap: 8px 16px; font-size: 12.5px; color: var(--ink-2); }
.bands .legend b { font-weight: 600; color: var(--ink); }
.bands .legend i { display: inline-block; width: 9px; height: 9px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.b-d0_7 { background: #34c759; } .b-d8_14 { background: #30d158; opacity: .85; } .b-d15_21 { background: #5ac8fa; } .b-d22_30 { background: #0a84ff; }
.b-d31_45 { background: #ffd60a; } .b-d46_90 { background: #ff9f0a; } .b-d91 { background: #ff453a; }

/* ---- toolbar ---- */
.toolbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
.toolbar input[type=search] { max-width: 320px; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { border: 1px solid var(--line); background: var(--card); color: var(--ink-2); border-radius: 999px; padding: 5px 11px; font-size: 13px; cursor: pointer; font-weight: 500; }
.chip.on { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.toolbar select { width: auto; }

/* ---- cards & lists ---- */
.list { display: grid; gap: 10px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.card.click { cursor: pointer; transition: transform .08s ease, border-color .12s; }
.card.click:hover { border-color: var(--ink-3); }
.card.click:active { transform: scale(.995); }
.dealer-card { display: grid; grid-template-columns: 1fr auto; gap: 6px 14px; align-items: start; }
.dealer-card .name { font-weight: 600; font-size: 15.5px; letter-spacing: -0.01em; }
.dealer-card .meta { color: var(--ink-3); font-size: 12.5px; margin-top: 2px; }
.dealer-card .amt { text-align: right; font-weight: 600; font-size: 17px; letter-spacing: -0.01em; }
.dealer-card .amt .s { display: block; font-size: 12px; color: var(--ink-3); font-weight: 500; margin-top: 2px; }
.dealer-card .facts { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 12.5px; color: var(--ink-2); margin-top: 4px; }
.dealer-card .facts b { color: var(--ink); font-weight: 600; }

.pill { display: inline-flex; align-items: center; gap: 6px; padding: 3px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; letter-spacing: .01em; white-space: nowrap; background: var(--neutral-bg); color: var(--ink-2); }
.pill.rebate_window, .pill.in_terms, .pill.paid, .pill.clear { background: var(--ok-bg); color: var(--ok); }
.pill.overdue { background: var(--warn-bg); color: var(--warn); }
.pill.interest_2 { background: var(--info-bg); color: var(--t2); }
.pill.interest_4, .pill.paid_late { background: var(--bad-bg); color: var(--bad); }
.pill.residual, .pill.draft, .pill.void { background: var(--neutral-bg); color: var(--ink-3); }
.pill.interest_dn { background: var(--neutral-bg); color: var(--ink-2); }

.inv-card { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; }
.inv-card .num { font-weight: 600; }
.inv-card .dealer { font-size: 13px; color: var(--ink-2); }
.inv-card .amt { text-align: right; font-weight: 600; font-size: 16px; }
.inv-card .sub { font-size: 12.5px; color: var(--ink-3); }
.inv-card .line { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 12.5px; color: var(--ink-2); margin-top: 6px; align-items: center; }
.inv-card .line b { color: var(--ink); }
.days { font-weight: 700; font-variant-numeric: tabular-nums; }
.days.d31_45 { color: var(--warn); } .days.d46_90 { color: var(--t2); } .days.d91 { color: var(--bad); }

/* ---- tables ---- */
.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line-2); vertical-align: middle; white-space: nowrap; }
th { font-size: 12px; color: var(--ink-3); font-weight: 600; letter-spacing: .02em; text-transform: uppercase; background: var(--card-2); position: sticky; top: 0; }
tr:last-child td { border-bottom: 0; }
td.r, th.r { text-align: right; }
td select { padding: 5px 8px; border-radius: 8px; font-size: 13px; }

/* ---- sheet / modal ---- */
.sheet-bg { position: fixed; inset: 0; background: rgba(0,0,0,.42); z-index: 40; display: flex; align-items: flex-end; justify-content: center; }
.sheet { background: var(--card); width: 100%; max-width: 760px; max-height: 92vh; overflow: auto; border-radius: 20px 20px 0 0; padding: 18px 20px 28px; animation: up .18s ease-out; }
@media (min-width: 721px) { .sheet-bg { align-items: center; padding: 24px; } .sheet { border-radius: 20px; max-height: 88vh; } }
@keyframes up { from { transform: translateY(24px); opacity: .6; } to { transform: none; opacity: 1; } }
.sheet h2 { font-size: 20px; margin: 0; font-weight: 600; letter-spacing: -0.02em; }
.sheet .close { margin-left: auto; }
.sheet-head { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 8px; margin: 12px 0; }
.fact { background: var(--card-2); border: 1px solid var(--line-2); border-radius: var(--radius-s); padding: 10px 12px; }
.fact .l { font-size: 11.5px; color: var(--ink-3); font-weight: 500; margin-bottom: 3px; }
.fact .v { font-weight: 600; font-size: 15px; letter-spacing: -0.01em; }
.fact .s { font-size: 11.5px; color: var(--ink-3); margin-top: 2px; }
.section { margin-top: 18px; }
.section h3 { font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-3); margin: 0 0 8px; font-weight: 600; }
.kv { display: grid; grid-template-columns: 1fr auto; gap: 6px 12px; font-size: 14px; }
.kv .k { color: var(--ink-2); }
.kv .v { text-align: right; font-weight: 500; }
.kv .tot { border-top: 1px solid var(--line); padding-top: 6px; font-weight: 600; }
.note { font-size: 12.5px; color: var(--ink-3); margin-top: 6px; line-height: 1.4; }

/* ---- timeline ---- */
.tl { position: relative; height: 62px; margin: 10px 0 4px; }
.tl .track { position: absolute; left: 0; right: 0; top: 28px; height: 8px; border-radius: 4px; background: linear-gradient(90deg, #34c759 0 var(--p7), #0a84ff var(--p7) var(--p30), #ffd60a var(--p30) var(--p45), #ff9f0a var(--p45) var(--p90), #ff453a var(--p90) 100%); opacity: .9; }
.tl .m { position: absolute; top: 0; transform: translateX(-50%); font-size: 10.5px; color: var(--ink-3); text-align: center; white-space: nowrap; }
.tl .m::after { content: ''; display: block; width: 1px; height: 10px; background: var(--ink-3); margin: 2px auto 0; }
.tl .m.today { color: var(--ink); font-weight: 600; top: auto; bottom: 0; }
.tl .m.today::after { display: none; }
.tl .m.today::before { content: ''; display: block; width: 0; height: 0; border: 5px solid transparent; border-bottom-color: var(--ink); margin: 0 auto 2px; }
.tl .pay { position: absolute; top: 26px; width: 12px; height: 12px; border-radius: 50%; background: var(--card); border: 2px solid var(--ok); transform: translateX(-50%); }

/* ---- follow-ups ---- */
.fup { border-top: 1px solid var(--line-2); padding: 8px 0; font-size: 13.5px; }
.fup .who { color: var(--ink-3); font-size: 12px; }
.fup .promise { color: var(--accent); font-weight: 500; }

/* ---- admin ---- */
.admin-tabs { display: flex; gap: 6px; margin-bottom: 14px; flex-wrap: wrap; }
.sync-box { display: grid; gap: 8px; }
.progress { height: 6px; border-radius: 3px; background: var(--neutral-bg); overflow: hidden; }
.progress i { display: block; height: 100%; background: var(--accent); width: 0; transition: width .3s; }
.steps li { margin-bottom: 6px; }
code { background: var(--neutral-bg); padding: 1px 6px; border-radius: 6px; font-size: 12.5px; }
.empty { text-align: center; color: var(--ink-3); padding: 40px 10px; }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 999px; font-size: 13.5px; z-index: 60; opacity: 0; transition: opacity .2s; pointer-events: none; }
.toast.show { opacity: 1; }
@media (max-width: 720px) { .toast { bottom: 90px; } }
.fade { color: var(--ink-3); }
.help { font-size: 13px; color: var(--ink-2); line-height: 1.5; }
.help ol { padding-left: 20px; }