/* =====================================================================
   Finance — styl
   Koncept: výpis z účtu. Částky zarovnané vpravo, řádky místo dlaždic,
   oddělovače jen tam, kde oddělují skupiny. Jediný hlasitý prvek:
   číslo čistého jmění s křivkou vývoje.
   ===================================================================== */

:root {
  --paper:    #f2f3ef;   /* minerální šedozelená plocha */
  --sheet:    #ffffff;
  --ink:      #15211c;   /* inkoustová zelenočerná */
  --ink-2:    #3c4943;
  --muted:    #6b7570;
  --rule:     #dadfd7;
  --rule-2:   #e9ece6;
  --ledger:   #0f6b4f;   /* účetní zelená: akce, kladné částky */
  --ledger-tx:#ffffff;
  --ledger-soft: #e3efe9;
  --debt:     #a4281f;   /* červený inkoust: dluhy, záporné */
  --warn-bg:  #fbf1dc;
  --warn-tx:  #6d4b07;

  --radius: 14px;
  --radius-sm: 9px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper:    #0f1412;
    --sheet:    #161d1a;
    --ink:      #e6ece8;
    --ink-2:    #c0c9c4;
    --muted:    #8c9792;
    --rule:     #2a332f;
    --rule-2:   #1f2724;
    --ledger:   #54c49a;
    --ledger-tx:#0f1412;
    --ledger-soft: #1b2e27;
    --debt:     #f08b80;
    --warn-bg:  #2e2715;
    --warn-tx:  #f0d48f;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.5 var(--font);
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
}

h1 { font-size: 1.75rem; line-height: 1.15; letter-spacing: -0.025em; font-weight: 650; margin: 0 0 .75rem; }
h2 { font-size: 1.05rem; line-height: 1.3; font-weight: 650; margin: 0; }
a  { color: var(--ledger); text-underline-offset: 3px; }
p  { margin: 0 0 1rem; }

.muted { color: var(--muted); }
.small { font-size: .875rem; }
.hint  { color: var(--muted); font-size: .85rem; margin: -4px 0 0; }

:focus-visible { outline: 2px solid var(--ledger); outline-offset: 2px; border-radius: 4px; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

/* ------------------------------------------------------------------ */
/* Tlačítka                                                            */
/* ------------------------------------------------------------------ */
.btn, .btn-quiet, .btn-danger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background .15s, border-color .15s, opacity .15s;
}
.btn {
  border: 0;
  background: var(--ledger);
  color: var(--ledger-tx);
  padding: 11px 18px;
}
.btn:hover { opacity: .92; }
.btn-block { width: 100%; padding: 14px 18px; font-size: 1.02rem; }
.btn-quiet {
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--ink);
  padding: 7px 12px;
  font-size: .9rem;
}
.btn-quiet:hover { background: var(--sheet); border-color: var(--muted); }
.btn-danger {
  border: 0;
  background: none;
  color: var(--debt);
  padding: 8px 0;
  font-size: .9rem;
}
.btn-danger:hover { text-decoration: underline; }

/* ------------------------------------------------------------------ */
/* Formuláře                                                           */
/* ------------------------------------------------------------------ */
.form { display: grid; gap: 18px; }
.form > label, .pair > label, .reconcile-row, .date-inline { display: grid; gap: 6px; }
.form label > span:first-child, legend {
  font-size: .85rem;
  color: var(--muted);
  padding: 0;
}

input[type="text"], input[type="password"], input[type="date"], select {
  width: 100%;
  font: inherit;
  font-size: 1rem;          /* ≥ 16 px: iOS při focusu nezoomuje */
  color: var(--ink);
  background: var(--sheet);
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  padding: 11px 13px;
  min-height: 46px;
  transition: border-color .15s, box-shadow .15s;
}
select { appearance: none; padding-right: 36px;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%;
  background-size: 5px 5px; background-repeat: no-repeat; }
input:focus, select:focus {
  outline: none;
  border-color: var(--ledger);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--ledger) 20%, transparent);
}
input:disabled { opacity: .55; }
input::placeholder { color: color-mix(in srgb, var(--muted) 70%, transparent); }

.field-error { color: var(--debt); font-size: .85rem; margin: 0; }

.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* Částka s jednotkou za číslem */
.amount-input { position: relative; display: block; }
.amount-input input { padding-right: 52px; text-align: right; }
.amount-input > span {
  position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
  color: var(--muted); pointer-events: none; font-size: .95rem;
}

/* Hlavní částka v rychlém zadání — největší prvek formuláře */
.amount-field .amount-input input {
  font-size: 2.6rem;
  font-weight: 300;
  letter-spacing: -0.03em;
  min-height: 78px;
  padding: 8px 64px 8px 16px;
  border-width: 0 0 2px;
  border-radius: 0;
  background: transparent;
}
.amount-field .amount-input input:focus { box-shadow: none; }
.amount-field .amount-input > span { font-size: 1.3rem; }

/* Kategorie jako čipy (radio) */
.chips { border: 0; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips legend { margin-bottom: 8px; width: 100%; }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.chip span {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--sheet);
  font-size: .95rem;
  transition: background .12s, border-color .12s, color .12s;
}
.chip input:checked + span { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.chip input:focus-visible + span { outline: 2px solid var(--ledger); outline-offset: 2px; }
.chips .field-error { width: 100%; }

.check { display: flex !important; gap: 10px; align-items: center; cursor: pointer; }
.check input { width: 18px; height: 18px; accent-color: var(--ledger); }
.check span { color: var(--ink) !important; font-size: .95rem !important; }

/* Segmentový přepínač (typ transakce, druh účtu) */
.segmented {
  display: flex;
  gap: 4px;
  padding: 4px;
  margin-bottom: 22px;
  background: var(--rule-2);
  border-radius: 12px;
}
.segmented a {
  flex: 1;
  text-align: center;
  padding: 8px 6px;
  border-radius: 9px;
  font-weight: 600;
  font-size: .92rem;
  color: var(--muted);
  text-decoration: none;
}
.segmented a.is-active { background: var(--sheet); color: var(--ink); box-shadow: 0 1px 2px rgba(21, 33, 28, .08); }

.danger-zone { margin-top: 28px; padding-top: 16px; border-top: 1px solid var(--rule); display: flex; gap: 12px; align-items: center; }

.flash { padding: 10px 14px; border-radius: var(--radius-sm); font-size: .92rem; margin: 0 0 18px; }
.flash-ok   { background: var(--ledger-soft); color: var(--ink); }
.flash-warn { background: var(--warn-bg); color: var(--warn-tx); }
.flash a { color: inherit; font-weight: 600; }

/* ------------------------------------------------------------------ */
/* Rám aplikace                                                        */
/* ------------------------------------------------------------------ */
.topbar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
  padding: 14px 28px 10px;
}
.brand { font-weight: 700; letter-spacing: -0.02em; color: var(--ink); text-decoration: none; }
.logout { justify-self: end; margin: 0; }

.mode-switch { display: inline-flex; gap: 2px; padding: 3px; border-radius: 999px; border: 1px solid var(--rule); }
.mode-switch a, .mode-switch span {
  padding: 5px 14px; border-radius: 999px; font-size: .88rem; font-weight: 600; text-decoration: none; color: var(--muted);
}
.mode-switch .is-active { background: var(--ink); color: var(--paper); }
.mode-switch .is-disabled { opacity: .45; cursor: not-allowed; }

.subnav {
  display: flex;
  gap: 22px;
  padding: 0 28px;
  border-bottom: 1px solid var(--rule);
  overflow-x: auto;
}
.subnav a {
  padding: 10px 0 11px;
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  font-size: .95rem;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  white-space: nowrap;
}
.subnav a.is-active { color: var(--ink); border-bottom-color: var(--ink); }

.container { max-width: 1120px; margin: 0 auto; padding: 32px 28px 120px; }
.narrow { max-width: 560px; }

.fab {
  position: fixed;
  right: max(20px, env(safe-area-inset-right));
  bottom: max(20px, env(safe-area-inset-bottom));
  width: 60px; height: 60px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--ledger);
  color: var(--ledger-tx);
  box-shadow: 0 6px 18px color-mix(in srgb, var(--ledger) 35%, transparent);
}
.fab path { stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; fill: none; }

.page-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 20px; }
.page-head h1 { margin: 0; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; }

.empty { padding: 56px 0; max-width: 520px; }

/* ------------------------------------------------------------------ */
/* Dashboard                                                           */
/* ------------------------------------------------------------------ */
.dash {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  grid-template-areas: "worth month" "reserve month";
  gap: 40px 64px;
  align-items: start;
}
.worth   { grid-area: worth; }
.month   { grid-area: month; }
.reserve { grid-area: reserve; }

.label { font-size: .95rem; font-weight: 600; color: var(--muted); letter-spacing: 0; margin: 0 0 4px; }

.worth-value {
  font-size: clamp(2.8rem, 7vw, 5.25rem);
  font-weight: 250;
  letter-spacing: -0.045em;
  line-height: 1;
  margin: 0 0 22px;
}
.is-negative { color: var(--debt); }

.worth-parts { display: flex; flex-wrap: wrap; gap: 8px 32px; margin: 0 0 28px; }
.worth-parts div { display: grid; }
.worth-parts dt { font-size: .85rem; color: var(--muted); }
.worth-parts dd { margin: 0; font-size: 1.15rem; font-weight: 500; }

.spark { margin: 0; }
.spark svg { display: block; width: 100%; height: auto; overflow: visible; }
.spark-line { fill: none; stroke: var(--ink); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.spark-area { fill: var(--ledger-soft); stroke: none; }
.spark-dot  { fill: var(--ledger); stroke: var(--paper); stroke-width: 3; }
.spark figcaption { display: flex; justify-content: space-between; color: var(--muted); font-size: .82rem; margin-top: 8px; }

.month { background: var(--sheet); border-radius: var(--radius); padding: 22px 24px 18px; }
.month-head { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.month-head h1, .month-head h2 { margin: 0; min-width: 9ch; text-align: center; }
.month-nav {
  display: inline-grid; place-items: center;
  width: 32px; height: 32px; border-radius: 50%;
  color: var(--ink); text-decoration: none; font-size: 1.3rem; line-height: 1;
}
.month-nav:hover { background: var(--rule-2); }
.month-nav.is-disabled { opacity: .25; }

.surplus-label { font-size: .9rem; color: var(--muted); margin: 0; }
.surplus { font-size: 2.4rem; font-weight: 300; letter-spacing: -0.035em; line-height: 1.1; margin: 0 0 2px; }
.rate { font-size: .92rem; margin: 0 0 18px; }

.statement { width: 100%; border-collapse: collapse; font-size: .95rem; }
.statement th { text-align: left; font-weight: 400; color: var(--ink-2); padding: 9px 0; }
.statement td { text-align: right; padding: 9px 0; white-space: nowrap; }
.statement tr + tr { border-top: 1px solid var(--rule-2); }
.statement .sub th { padding-left: 14px; color: var(--muted); font-size: .88rem; }
.statement .sub td { color: var(--muted); font-size: .88rem; }
.statement tr.sub { border-top-color: transparent; }
.statement .total { border-top: 1px solid var(--ink) !important; }
.statement .total th, .statement .total td { font-weight: 650; color: var(--ink); }

.reserve-value { font-size: 1.6rem; font-weight: 400; letter-spacing: -0.02em; margin: 0 0 10px; }
.reserve-value .muted { font-size: .95rem; letter-spacing: 0; margin-left: 6px; }
.bar { display: block; width: 100%; height: 6px; border-radius: 3px; overflow: hidden; margin-bottom: 8px; }
.bar-track { fill: var(--rule); }
.bar-fill  { fill: var(--ledger); }

/* ------------------------------------------------------------------ */
/* Řádky (transakce, účty, kategorie)                                  */
/* ------------------------------------------------------------------ */
.rows { list-style: none; margin: 0 0 8px; padding: 0; background: var(--sheet); border-radius: var(--radius); }
.rows > li + li { border-top: 1px solid var(--rule-2); }
.row {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 13px 18px; color: inherit; text-decoration: none;
}
a.row:hover { background: color-mix(in srgb, var(--rule-2) 60%, transparent); }
.rows > li:first-child .row { border-radius: var(--radius) var(--radius) 0 0; }
.rows > li:last-child .row  { border-radius: 0 0 var(--radius) var(--radius); }
.row-main { display: grid; min-width: 0; }
.row-title { font-weight: 500; }
.row-sub { color: var(--muted); font-size: .85rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row-amount { font-weight: 500; white-space: nowrap; }
.row-amount.is-positive { color: var(--ledger); }
.row-amount.is-neutral  { color: var(--muted); }
.row-amount.is-debt     { color: var(--debt); }

.day { font-size: .9rem; color: var(--muted); font-weight: 600; margin: 22px 0 8px 4px; }
.page-head + .day, .flash + .day { margin-top: 0; }

.group { margin-bottom: 26px; }
.group-head { display: flex; justify-content: space-between; margin: 0 4px 8px; font-size: .95rem; }
.group-head span:last-child { font-weight: 500; }
.tag {
  display: inline-block; margin-left: 6px; padding: 1px 8px; border-radius: 999px;
  background: var(--ledger-soft); color: var(--ledger); font-size: .75rem; font-weight: 600; vertical-align: 2px;
}
.networth-line { text-align: right; margin: 18px 4px 0; color: var(--muted); }
.networth-line strong { color: var(--ink); font-size: 1.2rem; font-weight: 600; margin-left: 8px; }

/* Srovnání stavů */
.date-inline { max-width: 220px; }
.reconcile-group { border: 0; margin: 0; padding: 0; }
.reconcile-group legend { margin: 6px 0 8px; font-weight: 600; color: var(--ink); font-size: .95rem; }
.reconcile-row {
  grid-template-columns: 1fr 190px !important;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--rule-2);
}
.reconcile-row .field-error { grid-column: 1 / -1; }
.reconcile-row > .row-main { font-size: 1rem; color: var(--ink); }

/* Nastavení */
.settings-block { margin-bottom: 40px; }
.settings-block h2 { margin-bottom: 6px; }
.settings-block .rows { margin: 12px 0; }
.cat-row { display: flex; align-items: center; gap: 10px; padding: 8px 12px; }
.cat-row form { margin: 0; }
.cat-rename { display: flex; gap: 8px; flex: 1; align-items: center; }
.cat-rename input { border-color: transparent; background: transparent; min-height: 40px; }
.cat-rename input:hover:not(:disabled) { border-color: var(--rule); }
.cat-row.is-archived { opacity: .6; }
.cat-add { display: flex; gap: 8px; }

/* ------------------------------------------------------------------ */
/* Přihlášení                                                          */
/* ------------------------------------------------------------------ */
body.auth { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.auth-card {
  width: 100%; max-width: 400px;
  background: var(--sheet);
  border-radius: var(--radius);
  padding: 32px 28px;
}
.auth-card .brand { display: block; margin-bottom: 28px; color: var(--muted); }
.alert { background: var(--warn-bg); color: var(--warn-tx); border-radius: var(--radius-sm); padding: 10px 14px; font-size: .9rem; }
.code-input { text-align: center; font-size: 1.6rem !important; letter-spacing: .4em; padding-left: calc(13px + .4em) !important; }
.steps { padding-left: 1.2rem; margin: 0; display: grid; gap: 20px; }
.qr { display: block; margin: 14px 0 10px; border-radius: var(--radius-sm); background: #fff; padding: 6px; width: 220px; max-width: 100%; height: auto; }
details summary { cursor: pointer; color: var(--muted); font-size: .875rem; }
.secret { display: block; margin-top: 8px; padding: 10px 12px; border-radius: var(--radius-sm); background: var(--paper); word-break: break-all; user-select: all; }
.steps .form { margin-top: 12px; }

/* ------------------------------------------------------------------ */
/* Mobil                                                               */
/* ------------------------------------------------------------------ */
@media (max-width: 900px) {
  .dash { grid-template-columns: 1fr; grid-template-areas: "worth" "month" "reserve"; gap: 32px; }
}
@media (max-width: 600px) {
  .topbar { grid-template-columns: auto 1fr auto; padding: 12px 16px 8px; }
  .mode-switch { justify-self: center; }
  .mode-switch a, .mode-switch span { padding: 5px 11px; }
  .subnav { padding: 0 16px; gap: 18px; }
  .container { padding: 22px 16px 120px; }
  .month { padding: 18px 16px 12px; margin: 0 -4px; }
  .pair { grid-template-columns: 1fr; }
  .reconcile-row { grid-template-columns: 1fr 150px !important; }
  .row { padding: 12px 14px; }
}