/* Nájemní kniha – "Ledger" / účetní kniha
   Paleta: papírově krémové pozadí, inkoustové písmo, razítkově zelená
   pro potvrzeno, okrová pro čekající. Světlý i tmavý režim podle systému. */

:root {
  color-scheme: light dark;

  --paper:    #FAF6EF;
  --card:     #FFFCF7;
  --ink:      #2B2622;
  --ink-soft: #6B615A;
  --ink-faint:#9A8F86;
  --rule:     #E3D9CA;
  --rule-hard:#D2C5B2;

  --green:      #3F7A53;
  --green-soft: #E7F0E8;
  --ochre:      #B07C22;
  --ochre-soft: #F6EBD4;
  --red:        #A6402F;
  --red-soft:   #F6E4E0;

  --radius: 10px;
  --font-serif: "Bitter", Georgia, "Times New Roman", serif;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", "Cascadia Mono", Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper:    #191614;
    --card:     #221E1B;
    --ink:      #EDE6DC;
    --ink-soft: #B3A89C;
    --ink-faint:#7E7368;
    --rule:     #332D28;
    --rule-hard:#413931;

    --green:      #6FB187;
    --green-soft: #22352A;
    --ochre:      #D6A552;
    --ochre-soft: #352B19;
    --red:        #E08573;
    --red-soft:   #3A241F;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  padding: 0 0 calc(32px + env(safe-area-inset-bottom, 0px));
  background-color: var(--paper);
  /* jemná linkovaná struktura účetního papíru */
  background-image: repeating-linear-gradient(
    to bottom, transparent 0 31px, var(--rule) 31px 32px);
  background-attachment: fixed;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
}

/* ---------- topbar ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--card);
  border-bottom: 1px solid var(--rule-hard);
  padding-top: env(safe-area-inset-top, 0px);
}

.topbar-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }

.brand-mark {
  flex: none;
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 8px;
  background: var(--green);
  color: #FFFCF7;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .02em;
}
@media (prefers-color-scheme: dark) { .brand-mark { color: #16211A; } }

.brand-text { display: flex; flex-direction: column; min-width: 0; line-height: 1.15; }
.brand-text strong {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -.01em;
}
.brand-text small { color: var(--ink-faint); font-size: 12px; }

.topbar-actions { margin-left: auto; display: flex; gap: 6px; }

.icon-btn {
  width: 36px; height: 36px;
  border: 1px solid var(--rule-hard);
  border-radius: 8px;
  background: transparent;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1;
  cursor: pointer;
}
.icon-btn:hover { background: var(--paper); color: var(--ink); }
.icon-btn.spin { animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.netbar {
  background: var(--ochre-soft);
  color: var(--ochre);
  border-top: 1px solid var(--rule);
  font-size: 13px;
  text-align: center;
  padding: 6px 16px;
}

/* ---------- layout ---------- */

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 18px 16px 0;
}

.view { margin-bottom: 18px; }

.card {
  background: var(--card);
  border: 1px solid var(--rule-hard);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 18px;
}

.card-title {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -.01em;
}

.muted { color: var(--ink-soft); font-size: 14px; margin: 0 0 14px; }
.muted code {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 0 4px;
}

.fineprint { color: var(--ink-faint); font-size: 12.5px; margin: 10px 0 0; }

/* ---------- banner / toast ---------- */

.banner {
  border: 1px solid var(--rule-hard);
  border-left: 4px solid var(--red);
  background: var(--red-soft);
  color: var(--ink);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-bottom: 16px;
  font-size: 14px;
}
.banner strong { display: block; margin-bottom: 2px; }
.banner.info { border-left-color: var(--ochre); background: var(--ochre-soft); }

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--paper);
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 14px;
  z-index: 60;
  max-width: calc(100vw - 32px);
  text-align: center;
}

/* ---------- formuláře ---------- */

.form { display: flex; flex-direction: column; gap: 12px; }
.form-row { display: flex; gap: 12px; flex-wrap: wrap; }
.form-row .field { flex: 1 1 150px; }

.field { display: flex; flex-direction: column; gap: 5px; }
.field > span {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-soft);
  letter-spacing: .03em;
  text-transform: uppercase;
}

input[type="text"], input[type="number"], input[type="month"] {
  width: 100%;
  font: inherit;
  font-size: 16px; /* brání zoomu na mobilu */
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--rule-hard);
  border-radius: 8px;
  padding: 10px 12px;
  min-height: 44px;
}
input:focus-visible, .btn:focus-visible, .icon-btn:focus-visible,
.role-btn:focus-visible, summary:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

.form-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.btn {
  font: inherit;
  font-size: 15px;
  font-weight: 600;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid var(--rule-hard);
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
}
.btn:hover { border-color: var(--ink-faint); }
.btn:disabled { opacity: .5; cursor: default; }

.btn-primary {
  background: var(--green);
  border-color: var(--green);
  color: #FFFCF7;
}
@media (prefers-color-scheme: dark) { .btn-primary { color: #16211A; } }
.btn-primary:hover { filter: brightness(1.06); }

/* Tlačítko "Přihlásit se přes Google" podle brand guidelines:
   výška 40px, Roboto, bílá varianta ve světlém a tmavá ve tmavém režimu. */
.gsi-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid #747775;
  border-radius: 8px;
  background: #FFFFFF;
  color: #1F1F1F;
  font-family: "Roboto", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .01em;
  cursor: pointer;
}
.gsi-btn:hover:not(:disabled) { background: #F8F9FA; box-shadow: 0 1px 3px rgba(0, 0, 0, .12); }
.gsi-btn:active:not(:disabled) { background: #F1F3F4; }
.gsi-btn:disabled { opacity: .6; cursor: default; }
.gsi-btn:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }
.gsi-icon { display: flex; flex: none; }

@media (prefers-color-scheme: dark) {
  .gsi-btn { background: #131314; color: #E3E3E3; border-color: #8E918F; }
  .gsi-btn:hover:not(:disabled) { background: #1E1F20; box-shadow: none; }
  .gsi-btn:active:not(:disabled) { background: #282A2C; }
}

.btn-ghost { background: transparent; }
.btn-wide { width: 100%; }
.btn-sm { font-size: 13.5px; min-height: 36px; padding: 6px 12px; }
.btn-danger { color: var(--red); border-color: var(--red); background: transparent; }

/* ---------- výběr role ---------- */

.role-grid { display: grid; gap: 12px; grid-template-columns: 1fr 1fr; }
@media (max-width: 400px) { .role-grid { grid-template-columns: 1fr; } }

.role-btn {
  font: inherit;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  text-align: left;
  padding: 16px;
  background: var(--paper);
  border: 1px solid var(--rule-hard);
  border-radius: var(--radius);
  color: var(--ink);
  cursor: pointer;
}
.role-btn:hover { border-color: var(--green); }
.role-emoji { font-size: 22px; margin-bottom: 4px; }
.role-btn strong { font-family: var(--font-serif); font-size: 16px; }
.role-btn small { color: var(--ink-soft); }

/* ---------- statistiky ---------- */

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 18px; }

.stat {
  background: var(--card);
  border: 1px solid var(--rule-hard);
  border-top: 3px solid var(--rule-hard);
  border-radius: var(--radius);
  padding: 12px 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.stat-done { border-top-color: var(--green); }
.stat-wait { border-top-color: var(--ochre); }
.stat-sum  { border-top-color: var(--ink-faint); }

.stat-num {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
}
.stat-done .stat-num { color: var(--green); }
.stat-wait .stat-num { color: var(--ochre); }
.stat-sum .stat-num { font-size: 18px; }
.stat-label { font-size: 11.5px; color: var(--ink-soft); line-height: 1.25; }

/* ---------- nový záznam ---------- */

.add-card { padding: 0; }
.add-summary {
  list-style: none;
  cursor: pointer;
  padding: 14px 18px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 16px;
  display: flex;
  align-items: center;
  gap: 9px;
}
.add-summary::-webkit-details-marker { display: none; }
.plus {
  width: 24px; height: 24px;
  display: grid; place-items: center;
  border-radius: 6px;
  background: var(--green-soft);
  color: var(--green);
  font-size: 17px;
  font-family: var(--font-sans);
}
.add-card[open] .add-summary { border-bottom: 1px solid var(--rule); }
.add-card .form { padding: 16px 18px 18px; }

/* ---------- seznam karet ---------- */

.list { display: flex; flex-direction: column; gap: 12px; }

.entry {
  background: var(--card);
  border: 1px solid var(--rule-hard);
  border-radius: var(--radius);
  overflow: hidden;
}
.entry.is-done { border-left: 4px solid var(--green); }
.entry.is-wait { border-left: 4px solid var(--ochre); }

.entry-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
  padding: 14px 16px 10px;
}
.entry-month {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -.01em;
}
.entry-amount {
  margin-left: auto;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 16px;
  font-weight: 600;
}
.entry-amount.none { color: var(--ink-faint); font-weight: 400; font-size: 14px; }

.pill {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 999px;
  white-space: nowrap;
}
.pill-done { background: var(--green-soft); color: var(--green); }
.pill-wait { background: var(--ochre-soft); color: var(--ochre); }

.entry-note {
  padding: 0 16px 10px;
  font-size: 14px;
  color: var(--ink-soft);
  font-style: italic;
}

.sides { border-top: 1px solid var(--rule); }

.side {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  font-size: 14px;
}
.side + .side { border-top: 1px solid var(--rule); }

.side-box {
  flex: none;
  width: 22px; height: 22px;
  display: grid; place-items: center;
  border: 1.5px solid var(--rule-hard);
  border-radius: 5px;
  color: transparent;
  font-size: 14px;
  font-weight: 700;
}
.side.ok .side-box { border-color: var(--green); background: var(--green); color: #FFFCF7; }
@media (prefers-color-scheme: dark) { .side.ok .side-box { color: #16211A; } }

.side-text { display: flex; flex-direction: column; min-width: 0; line-height: 1.3; }
.side-who { font-weight: 600; }
.side-who .you { color: var(--ink-faint); font-weight: 400; font-size: 12.5px; }
.side-when {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-faint);
  font-variant-numeric: tabular-nums;
}
.side .btn { margin-left: auto; flex: none; }

.entry-foot {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px 10px;
  border-top: 1px solid var(--rule);
  background: var(--paper);
}
.entry-meta { font-size: 11.5px; color: var(--ink-faint); }
.entry-foot .btn { margin-left: auto; }

/* ---------- prázdný stav ---------- */

.empty {
  text-align: center;
  padding: 40px 24px;
  background: var(--card);
  border: 1px dashed var(--rule-hard);
  border-radius: var(--radius);
}
.empty-mark {
  font-size: 30px;
  color: var(--green);
  margin-bottom: 8px;
}
.empty h2 { font-family: var(--font-serif); font-weight: 600; font-size: 18px; margin: 0 0 8px; }
.empty p { color: var(--ink-soft); font-size: 14px; margin: 0 auto; max-width: 42ch; }

/* ---------- menu ---------- */

.menu-backdrop {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(20, 16, 12, .45);
  display: flex;
  align-items: flex-end;
  justify-content: center;
}
.menu {
  background: var(--card);
  border: 1px solid var(--rule-hard);
  border-radius: 14px 14px 0 0;
  padding: 20px 18px calc(20px + env(safe-area-inset-bottom, 0px));
  width: 100%;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
@media (min-width: 560px) {
  .menu-backdrop { align-items: center; }
  .menu { border-radius: 14px; }
}

[hidden] { display: none !important; }