/* ============================================================
   Home Expenses Manager
   Design: a household ledger, rendered digitally.
   Palette : paper, ink, ledger-green, brick (spend), ochre (accent)
   Type    : Sora (headings) / IBM Plex Sans (body) / IBM Plex Mono (figures)
   ============================================================ */

:root {
  --paper: #f7f5f0;
  --paper-raised: #ffffff;
  --ink: #1e2622;
  --ink-soft: #5b665f;
  --line: #dcd7cb;
  --line-soft: #eae6db;

  --ledger: #1f6f5c;
  --ledger-dark: #164f41;
  --ledger-tint: #e7f1ee;

  --brick: #a8453a;
  --brick-tint: #f7e9e7;

  --ochre: #b9852a;
  --ochre-tint: #f6eeda;

  --radius: 8px;
  --radius-sm: 5px;
  --shadow: 0 1px 2px rgba(30, 38, 34, 0.06), 0 4px 14px rgba(30, 38, 34, 0.05);

  --font-display: "Sora", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 4px;
  letter-spacing: -0.01em;
}

a { color: var(--ledger-dark); }

.mono, .figure, td.num, .amount {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

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

/* ---------------- Login screen ---------------- */

.auth-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    linear-gradient(var(--paper), var(--paper)) padding-box,
    repeating-linear-gradient(180deg, transparent, transparent 39px, var(--line-soft) 40px);
}

.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 36px 32px 32px;
  position: relative;
}

.auth-card::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 5px;
  background: var(--ledger);
  border-radius: var(--radius) 0 0 var(--radius);
}

.auth-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ledger-dark);
  margin-bottom: 6px;
}

.auth-card h1 {
  font-size: 22px;
  margin-bottom: 22px;
}

.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 6px;
}

.field input, .field select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--ink);
}

.field input:focus, .field select:focus {
  border-color: var(--ledger);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
  background: var(--ledger);
  color: #fff;
  width: 100%;
}
.btn-primary:hover { background: var(--ledger-dark); }

.btn-outline {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}
.btn-outline:hover { border-color: var(--ledger); color: var(--ledger-dark); }

.btn-danger {
  background: var(--brick);
  color: #fff;
}
.btn-danger:hover { background: #8a3830; }

.btn-sm { padding: 6px 12px; font-size: 12.5px; }

.error-box {
  background: var(--brick-tint);
  color: var(--brick);
  border: 1px solid #e6c9c5;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  margin-bottom: 16px;
}

.hint {
  font-size: 12px;
  color: var(--ink-soft);
  margin-top: 18px;
  text-align: center;
}

/* ---------------- App shell ---------------- */

.app {
  display: grid;
  grid-template-columns: 230px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--ink);
  color: #eef0ee;
  padding: 22px 18px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 26px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.brand .mark {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #9fd6c4;
}

.brand .name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
}

.nav-group-label {
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #8b968f;
  margin: 18px 0 8px;
  padding: 0 10px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  color: #d6dad6;
  text-decoration: none;
  font-size: 14px;
  margin-bottom: 2px;
}

.nav-link:hover { background: rgba(255,255,255,0.06); color: #fff; }
.nav-link.active { background: var(--ledger); color: #fff; }

.nav-link .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: currentColor; opacity: 0.55; flex: none;
}

.sidebar-user {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.12);
  font-size: 13px;
}

.sidebar-user .who { color: #fff; font-weight: 600; }
.sidebar-user .role-tag {
  display: inline-block;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #9fd6c4;
  background: rgba(159, 214, 196, 0.12);
  padding: 2px 7px;
  border-radius: 3px;
}

.sidebar-user form { margin-top: 12px; }

.main {
  padding: 26px 32px 60px;
  max-width: 1180px;
}

.topbar {
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: var(--ink);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 40;
}

.hamburger {
  width: 34px; height: 34px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 4px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.hamburger span {
  width: 16px; height: 2px; background: #fff; border-radius: 2px;
}

.page-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.page-head .eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ledger-dark);
  margin-bottom: 4px;
}

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

/* ---------------- Ledger strip (totals) ---------------- */

.ledger-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--paper-raised);
  margin-bottom: 24px;
  box-shadow: var(--shadow);
}

.ledger-cell {
  padding: 18px 20px;
  border-left: 1px solid var(--line-soft);
}
.ledger-cell:first-child { border-left: none; }

.ledger-cell .label {
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 8px;
}

.ledger-cell .value {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.ledger-cell.spend .value { color: var(--brick); }
.ledger-cell.balance .value.positive { color: var(--ledger-dark); }
.ledger-cell.balance .value.negative { color: var(--brick); }

/* ---------------- Cards / panels ---------------- */

.panel {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line-soft);
  flex-wrap: wrap;
  gap: 10px;
}

.panel-head h2 { font-size: 15.5px; }
.panel-body { padding: 18px 20px; }

.view-toggle {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
}
.view-toggle a {
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  color: var(--ink-soft);
}
.view-toggle a.active {
  background: var(--ledger);
  color: #fff;
}

/* ---------------- Add expense form ---------------- */

.add-row {
  display: grid;
  grid-template-columns: 2.2fr 1fr 0.8fr 1fr auto;
  gap: 10px;
  align-items: end;
  margin-bottom: 4px;
}

@media (max-width: 780px) {
  .add-row { grid-template-columns: 1fr; }
}

.autocomplete { position: relative; }

.autocomplete input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.ac-list {
  position: absolute;
  z-index: 30;
  top: calc(100% + 4px);
  left: 0; right: 0;
  max-height: 240px;
  overflow-y: auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  display: none;
}

.ac-list.open { display: block; }

.ac-item {
  padding: 9px 12px;
  cursor: pointer;
  font-size: 13.5px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
}
.ac-item:hover, .ac-item.hi { background: var(--ledger-tint); }
.ac-item .cat { color: var(--ink-soft); font-size: 11.5px; }

/* ---------------- Tables ---------------- */

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.8px;
}

table.data th {
  text-align: left;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

table.data td {
  padding: 10px;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: middle;
}

table.data tr:last-child td { border-bottom: none; }

table.data td.num, table.data th.num { text-align: right; }

table.data tfoot td {
  font-weight: 600;
  border-top: 2px solid var(--ink);
  border-bottom: none;
  padding-top: 12px;
}

.row-actions { display: flex; gap: 6px; }
.icon-btn {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 4px 9px;
  font-size: 12px;
  cursor: pointer;
  color: var(--ink);
}
.icon-btn:hover { border-color: var(--ledger); color: var(--ledger-dark); }
.icon-btn.danger:hover { border-color: var(--brick); color: var(--brick); }

.muted-note {
  font-size: 12px;
  color: var(--ink-soft);
  font-style: italic;
}

.tag {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--ledger-tint);
  color: var(--ledger-dark);
  font-weight: 600;
}
.tag.ochre { background: var(--ochre-tint); color: var(--ochre); }
.tag.brick { background: var(--brick-tint); color: var(--brick); }

.empty-state {
  padding: 34px 20px;
  text-align: center;
  color: var(--ink-soft);
  font-size: 13.5px;
}

/* ---------------- Forms (admin) ---------------- */

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }

.form-grid .full { grid-column: 1 / -1; }

.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: end;
  margin-bottom: 18px;
}
.filter-bar .field { margin-bottom: 0; min-width: 150px; }

/* ---------------- Charts / summary ---------------- */

.summary-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 20px;
}
@media (max-width: 900px) { .summary-grid { grid-template-columns: 1fr; } }

.chart-wrap {
  max-width: 100%;
}

/* ---------------- Flash / alerts ---------------- */

.alert {
  padding: 11px 15px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  margin-bottom: 18px;
  border: 1px solid transparent;
}
.alert-success { background: var(--ledger-tint); color: var(--ledger-dark); border-color: #bfe0d4; }
.alert-error { background: var(--brick-tint); color: var(--brick); border-color: #e6c9c5; }

/* ---------------- Mobile nav ---------------- */

@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .topbar { display: flex; }
  .sidebar {
    position: fixed;
    left: 0; top: 0; bottom: 0;
    width: 250px;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    z-index: 60;
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-backdrop {
    display: none;
    position: fixed; inset: 0;
    background: rgba(20,24,22,0.4);
    z-index: 50;
  }
  .sidebar-backdrop.open { display: block; }
  .main { padding: 20px 16px 50px; }
  .ledger-strip { grid-template-columns: 1fr; }
  .ledger-cell { border-left: none; border-top: 1px solid var(--line-soft); }
  .ledger-cell:first-child { border-top: none; }
}

/* ---------------- Print (used for PDF export via browser print) ---------------- */

@media print {
  .sidebar, .topbar, .page-actions, .filter-bar, .no-print { display: none !important; }
  .app { display: block; }
  .main { padding: 0; max-width: 100%; }
  body { background: #fff; }
  .panel { box-shadow: none; border: 1px solid #ccc; }
  a { color: inherit; text-decoration: none; }
}

.print-header {
  display: none;
}
@media print {
  .print-header {
    display: block;
    margin-bottom: 18px;
    border-bottom: 2px solid #1e2622;
    padding-bottom: 10px;
  }
  .print-header .mark { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: #555; }
  .print-header h1 { font-size: 20px; }
}