/* ==========================================================================
   Kassa Uçotu — ümumi stil
   Mobil-öncəli (mobile-first): kassir telefondan, rəhbər kompüterdən istifadə edir
   ========================================================================== */

:root {
  --bg: #f4f6f9;
  --surface: #ffffff;
  --surface-2: #fafbfc;
  --border: #e2e6ec;
  --border-strong: #cbd3dd;

  --text: #1a2332;
  --text-soft: #5b6b7f;
  --text-faint: #8b98a8;

  --brand: #1f3a5f;
  --brand-soft: #eaf0f7;
  --brand-text: #ffffff;

  --ok: #16794a;
  --ok-bg: #e8f6ef;
  --warn: #a86b0c;
  --warn-bg: #fdf4e3;
  --bad: #b3261e;
  --bad-bg: #fdeceb;

  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.05), 0 4px 12px rgba(16, 24, 40, 0.06);
  --shadow-lg: 0 8px 28px rgba(16, 24, 40, 0.12);

  --font: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: "Cascadia Mono", Consolas, "SF Mono", Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #12161c;
    --surface: #1a1f27;
    --surface-2: #20262f;
    --border: #2b323c;
    --border-strong: #3a434f;

    --text: #e8ecf1;
    --text-soft: #a3afbd;
    --text-faint: #77838f;

    --brand: #4a7ab5;
    --brand-soft: #1e2a3a;

    --ok: #4ade80;
    --ok-bg: #14291f;
    --warn: #fbbf24;
    --warn-bg: #2b2312;
    --bad: #f87171;
    --bad-bg: #2c1817;

    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 4px 12px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.45);
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { margin: 0; font-weight: 650; line-height: 1.25; }
h1 { font-size: 1.35rem; }
h2 { font-size: 1.1rem; }
h3 { font-size: 0.95rem; }

a { color: var(--brand); }

/* ---------------------------------------------------------------- Struktur */

.app-header {
  background: var(--brand);
  color: var(--brand-text);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 20;
  box-shadow: var(--shadow);
}

.app-header .brand {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.2px;
  margin-inline-end: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.app-header .who {
  font-size: 0.82rem;
  opacity: 0.9;
  text-align: end;
  line-height: 1.35;
}

.app-nav {
  display: flex;
  gap: 4px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 12px;
  overflow-x: auto;
  position: sticky;
  top: 0;
  z-index: 15;
}

.app-nav a {
  padding: 12px 14px;
  color: var(--text-soft);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 550;
  border-bottom: 2.5px solid transparent;
  white-space: nowrap;
}
.app-nav a:hover { color: var(--text); }
.app-nav a.active { color: var(--brand); border-bottom-color: var(--brand); }

main { padding: 16px; max-width: 1400px; margin: 0 auto; }
.narrow { max-width: 720px; }

/* ------------------------------------------------------------------ Kartlar */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 16px;
  overflow: hidden;
}

.card-head {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  background: var(--surface-2);
}
.card-head h2 { margin-inline-end: auto; }
.card-body { padding: 16px; }
.card-body.tight { padding: 0; }

/* -------------------------------------------------------------------- Form */

.field { margin-bottom: 14px; }

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-soft);
  margin-bottom: 5px;
}

.hint { font-size: 0.78rem; color: var(--text-faint); margin-top: 4px; font-weight: 400; }

input[type="text"], input[type="password"], input[type="number"],
input[type="date"], select, textarea {
  width: 100%;
  padding: 11px 12px;
  font-size: 16px; /* iOS-da avtomatik zoom-un qarşısını alır */
  font-family: inherit;
  color: var(--text);
  background: var(--surface);
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-sm);
  transition: border-color 0.15s, box-shadow 0.15s;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px var(--brand-soft);
}

input:disabled, select:disabled, textarea:disabled {
  background: var(--surface-2);
  color: var(--text-faint);
  cursor: not-allowed;
}

input.money { text-align: end; font-family: var(--mono); font-variant-numeric: tabular-nums; }

textarea { resize: vertical; min-height: 72px; }

.row { display: grid; gap: 12px; }
@media (min-width: 640px) {
  .row.cols-2 { grid-template-columns: 1fr 1fr; }
  .row.cols-3 { grid-template-columns: repeat(3, 1fr); }
  .row.cols-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ------------------------------------------------------------------ Düymələr */

button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 11px 18px;
  font-size: 0.92rem;
  font-weight: 600;
  font-family: inherit;
  color: var(--text);
  background: var(--surface);
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s;
  white-space: nowrap;
}

button:hover:not(:disabled), .btn:hover { background: var(--surface-2); border-color: var(--text-faint); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: var(--brand);
  border-color: var(--brand);
  color: var(--brand-text);
}
.btn-primary:hover:not(:disabled) { filter: brightness(1.12); border-color: var(--brand); background: var(--brand); }

.btn-ok { background: var(--ok); border-color: var(--ok); color: #fff; }
.btn-ok:hover:not(:disabled) { filter: brightness(1.1); background: var(--ok); }

.btn-bad { background: var(--bad); border-color: var(--bad); color: #fff; }
.btn-bad:hover:not(:disabled) { filter: brightness(1.1); background: var(--bad); }

.btn-lg { padding: 15px 26px; font-size: 1.02rem; }
.btn-sm { padding: 7px 12px; font-size: 0.82rem; }
.btn-block { width: 100%; }

.btn-row { display: flex; gap: 10px; flex-wrap: wrap; }

/* ------------------------------------------------------------------ Cədvəl */

.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }

th {
  text-align: start;
  padding: 11px 12px;
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--text-soft);
  background: var(--surface-2);
  border-bottom: 1.5px solid var(--border);
  white-space: nowrap;
  position: sticky;
  top: 0;
}

td { padding: 11px 12px; border-bottom: 1px solid var(--border); }
tbody tr:hover { background: var(--surface-2); }
tbody tr:last-child td { border-bottom: none; }

td.num, th.num {
  text-align: end;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

tr.total-row td {
  font-weight: 700;
  background: var(--surface-2);
  border-top: 2px solid var(--border-strong);
}

.clickable { cursor: pointer; }

/* ------------------------------------------------------------------ Nişanlar */

.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 700;
  white-space: nowrap;
}
.badge-ok   { background: var(--ok-bg);   color: var(--ok); }
.badge-warn { background: var(--warn-bg); color: var(--warn); }
.badge-bad  { background: var(--bad-bg);  color: var(--bad); }
.badge-idle { background: var(--surface-2); color: var(--text-faint); border: 1px solid var(--border); }

.money-ok   { color: var(--ok);   font-weight: 700; }
.money-bad  { color: var(--bad);  font-weight: 700; }
.money-warn { color: var(--warn); font-weight: 700; }

/* ------------------------------------------------------------------ Bildiriş */

.alert {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  font-size: 0.89rem;
  border: 1px solid transparent;
  display: flex;
  gap: 9px;
  align-items: flex-start;
}
.alert-ok   { background: var(--ok-bg);   color: var(--ok);   border-color: currentColor; }
.alert-bad  { background: var(--bad-bg);  color: var(--bad);  border-color: currentColor; }
.alert-warn { background: var(--warn-bg); color: var(--warn); border-color: currentColor; }
.alert-info { background: var(--brand-soft); color: var(--brand); border-color: currentColor; }
.alert ul { margin: 4px 0 0; padding-inline-start: 18px; }
.alert[hidden] { display: none; }

/* ------------------------------------------------------------------ Statistika */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: var(--shadow);
}
.stat .label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--text-faint);
  font-weight: 700;
  margin-bottom: 6px;
}
.stat .value {
  font-size: 1.32rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}
.stat .sub { font-size: 0.78rem; color: var(--text-faint); margin-top: 3px; }

/* ------------------------------------------------------------------ Yardımçı */

.muted { color: var(--text-faint); }
.center { text-align: center; }
.end { text-align: end; }
.nowrap { white-space: nowrap; }
.mb-0 { margin-bottom: 0; }
.mt-16 { margin-top: 16px; }
.spacer { flex: 1; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }

.empty {
  padding: 44px 20px;
  text-align: center;
  color: var(--text-faint);
  font-size: 0.92rem;
}

.loading { padding: 32px; text-align: center; color: var(--text-faint); }

/* ------------------------------------------------------------------ Modal */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10, 15, 22, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 50;
}
.modal-backdrop[hidden] { display: none; }

.modal {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  max-width: 620px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
}
.modal .card-head { position: sticky; top: 0; z-index: 2; }

/* ---------------------------------------------------------- Giriş səhifəsi */

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: linear-gradient(160deg, var(--brand) 0%, #16293f 100%);
}

.login-box {
  background: var(--surface);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  padding: 32px 28px;
  width: 100%;
  max-width: 400px;
}

.login-box .logo {
  text-align: center;
  font-size: 2.2rem;
  margin-bottom: 8px;
}
.login-box h1 { text-align: center; margin-bottom: 4px; }
.login-box .subtitle {
  text-align: center;
  color: var(--text-faint);
  font-size: 0.88rem;
  margin: 0 0 24px;
}

/* ---------------------------------------------------- Nominal sayım şəbəkəsi */

.denoms { display: grid; gap: 8px; }

.denom-row {
  display: grid;
  grid-template-columns: 92px 1fr 108px;
  align-items: center;
  gap: 10px;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  border: 1px solid var(--border);
}

.denom-row.metal { background: transparent; }

.denom-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 10px 2px 4px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-faint);
}
.denom-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

.denom-row .denom-label { font-weight: 650; font-size: 0.9rem; }

.denom-row input {
  padding: 9px 10px;
  text-align: center;
  font-family: var(--mono);
  font-weight: 600;
}

.denom-row .denom-sum {
  text-align: end;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.88rem;
  color: var(--text-soft);
}
.denom-row .denom-sum.has-value { color: var(--text); font-weight: 650; }

/* Bağlamalar — sayı yox, məbləği yazılan sətirlər */
.denom-row.bundle {
  grid-template-columns: 1fr 130px 20px;
  background: var(--warn-bg);
  border-color: var(--warn);
}
.denom-row.bundle input { text-align: end; }
.denom-row.bundle .denom-sum { color: var(--warn); font-weight: 700; }

/* Xərc / səhv sətirləri: ad + məbləğ + sil düyməsi */
.line-row {
  display: grid;
  grid-template-columns: 1fr 118px 38px;
  gap: 8px;
  margin-bottom: 8px;
  align-items: center;
}
.line-row input { padding: 9px 10px; }
.line-row .money { text-align: end; }

/**
 * Sistemden kecmeyen satis setri: ad | say | qiymet | odenis | mebleg | sil
 *
 * Dar ekranda alti sutun sigmir, ona gore 560px-den asagida ad butun eni
 * tutur ve qalanlari ikinci setre kecir. `minmax(0, ...)` vacibdir: `auto`
 * minimum `<select>`-i en uzun secimine gore acar ve torun ozunu ekrandan
 * cixarardi.
 */
.manual-head,
.manual-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 58px 96px minmax(0, 128px) 92px 38px;
  gap: 8px;
  align-items: center;
}
.manual-row { margin-bottom: 8px; }
.manual-row input,
.manual-row select { padding: 9px 10px; min-width: 0; }
.manual-row .money { text-align: end; }

.manual-head {
  margin-bottom: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--text-faint);
}
.manual-head span:nth-child(2),
.manual-head span:nth-child(3),
.manual-head span:nth-child(5) { text-align: end; }

.manual-sum {
  font-variant-numeric: tabular-nums;
  text-align: end;
  font-size: 0.86rem;
  color: var(--text-faint);
}
.manual-sum.has-value { color: var(--text); font-weight: 600; }

.channel-hint { margin-top: 6px; }
.channel-hint.is-bad { color: var(--bad); font-weight: 600; }

/**
 * Xerc setri: nov | ad | mebleg | sil, lazim olanda altinda xatirlatma.
 * Dar ekranda nov oz setrine kecir - dord sahe 375px-e sigmir.
 * `minmax(0, ...)`: `<select>` en uzun secimine gore acilib toru
 * ekrandan cixarmasin.
 */
.expense-row {
  display: grid;
  grid-template-columns: minmax(0, 168px) minmax(0, 1fr) 118px 38px;
  gap: 8px;
  margin-bottom: 8px;
  align-items: center;
}
.expense-row input,
.expense-row select { padding: 9px 10px; min-width: 0; }
.expense-row .money { text-align: end; }
.expense-row .expense-hint { grid-column: 1 / -1; margin-top: -2px; }

/* Son tarixi kecmis isci nisyesi */
.debt-overdue { color: var(--bad); font-weight: 600; }

@media (max-width: 559px) {
  .expense-row {
    grid-template-columns: minmax(0, 1fr) 118px 38px;
    row-gap: 6px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
  }
  .expense-row .expense-cat { grid-column: 1 / -1; }
}

@media (max-width: 559px) {
  /* Ad tam eni tutur, qalan dord sahe altina duzulur */
  .manual-head { display: none; }
  .manual-row {
    grid-template-columns: 52px minmax(0, 1fr) minmax(0, 1fr) 38px;
    row-gap: 6px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
  }
  .manual-row .manual-note { grid-column: 1 / -1; }
  /* `order` olmasa cem xanasi sil duymesindən əvvəl yerlesir ve duymeni
     tek basina ucuncu setre atir. */
  .manual-row .manual-sum { order: 2; grid-column: 1 / -1; text-align: end; }
}

.line-remove {
  padding: 9px 0;
  font-size: 1.1rem;
  line-height: 1;
  color: var(--text-faint);
}
.line-remove:hover:not(:disabled) { color: var(--bad); border-color: var(--bad); }

.summary-sep {
  padding: 9px 16px;
  background: var(--surface-2);
  border-block: 1px solid var(--border);
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-faint);
}

.denom-total {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
  padding: 14px 16px;
  background: var(--brand-soft);
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--brand);
}
.denom-total .label { font-weight: 700; color: var(--brand); font-size: 0.9rem; }
.denom-total .value {
  font-size: 1.35rem;
  font-weight: 800;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  color: var(--brand);
}

/* ------------------------------------------------------- Hesablama xülasəsi */

.summary { border: 1.5px solid var(--border-strong); border-radius: var(--radius); overflow: hidden; }

.summary-line {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
}
.summary-line:last-child { border-bottom: none; }
.summary-line .lbl { color: var(--text-soft); }
.summary-line .val {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-weight: 650;
}
.summary-line.sub { padding-inline-start: 32px; font-size: 0.85rem; color: var(--text-faint); }
.summary-line.strong { background: var(--surface-2); font-weight: 700; }
.summary-line.strong .lbl { color: var(--text); font-weight: 700; }

.summary-diff {
  padding: 16px;
  text-align: center;
  border-top: 2px solid var(--border-strong);
}
.summary-diff .diff-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  font-weight: 700;
  margin-bottom: 4px;
}
.summary-diff .diff-value {
  font-size: 1.9rem;
  font-weight: 800;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  line-height: 1.15;
}
.summary-diff .diff-note { font-size: 0.82rem; margin-top: 4px; }

.summary-diff.is-ok   { background: var(--ok-bg);   color: var(--ok); }
.summary-diff.is-bad  { background: var(--bad-bg);  color: var(--bad); }
.summary-diff.is-warn { background: var(--warn-bg); color: var(--warn); }

/* ------------------------------------------------------------ Lövhə kartları */

.board { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }

.board-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-inline-start: 4px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform 0.12s, box-shadow 0.12s;
}
.board-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.board-card.ok   { border-inline-start-color: var(--ok); }
.board-card.bad  { border-inline-start-color: var(--bad); }
.board-card.warn { border-inline-start-color: var(--warn); }
.board-card.idle { border-inline-start-color: var(--border-strong); opacity: 0.75; }

.board-card .bc-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 10px;
}
.board-card .bc-title { font-weight: 700; font-size: 0.98rem; }
.board-card .bc-sub { font-size: 0.8rem; color: var(--text-faint); margin-top: 1px; }

.board-card .bc-line {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  padding: 3px 0;
}
.board-card .bc-line .v { font-family: var(--mono); font-variant-numeric: tabular-nums; font-weight: 600; }

.board-card .bc-diff {
  margin-top: 10px;
  padding-top: 9px;
  border-top: 1px dashed var(--border);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-weight: 700;
}
.board-card .bc-diff .v { font-family: var(--mono); font-size: 1.05rem; }

/* --------------------------------------------------------------- Filtr paneli */

.filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: flex-end;
}
.filters .field { margin-bottom: 0; min-width: 140px; flex: 1 1 140px; }
.filters .field.narrow-f { flex: 0 0 auto; min-width: 0; }

@media print {
  .app-header, .app-nav, .filters, button, .btn { display: none !important; }
  body { background: #fff; }
  .card { box-shadow: none; border-color: #ccc; }
}