:root {
  --ink: #1b2430;
  --paper: #f7f4ee;
  --paper-raised: #ffffff;
  --rule: #d8d2c4;
  --rule-soft: #e8e3d7;
  --accent: #2f6f4e;
  --accent-dark: #234f39;
  --accent-soft: #e4efe8;
  --warn: #9a5b13;
  --warn-soft: #f5ead9;
  --danger: #a23b2e;
  --danger-soft: #f6e6e3;
  --muted: #6b6455;
  --serif: Georgia, "Iowan Old Style", "Palatino Linotype", "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.5;
}

.hidden { display: none !important; }

/* ---------- Login screen ---------- */
#login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  padding: 40px 36px;
}

.login-card h1 {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 400;
  margin: 0 0 4px;
  color: var(--ink);
}

.login-card p.tagline {
  color: var(--muted);
  margin: 0 0 28px;
  font-size: 14px;
}

label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
  margin-top: 16px;
}

input, select, textarea {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--rule);
  background: var(--paper-raised);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
}

input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}

button {
  font-family: var(--sans);
  cursor: pointer;
}

.btn {
  display: inline-block;
  padding: 9px 18px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border-radius: 2px;
}
.btn:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--rule);
}
.btn-secondary:hover { border-color: var(--ink); }

#sidebar .btn-secondary {
  color: #e9e6de;
  border-color: rgba(255,255,255,0.3);
}
#sidebar .btn-secondary:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.08);
}

.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
}
.btn-danger:hover { background: var(--danger-soft); }

.btn-block { width: 100%; margin-top: 24px; }

.error-msg {
  color: var(--danger);
  background: var(--danger-soft);
  border: 1px solid var(--danger);
  padding: 8px 12px;
  font-size: 13px;
  margin-top: 14px;
}
.ok-msg {
  color: var(--accent-dark);
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  padding: 8px 12px;
  font-size: 13px;
  margin-top: 14px;
}

/* ---------- App shell ---------- */
#app-shell { display: flex; min-height: 100vh; }

#sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--ink);
  color: #e9e6de;
  display: flex;
  flex-direction: column;
  padding: 24px 0;
}

#sidebar .brand {
  font-family: var(--serif);
  font-size: 19px;
  padding: 0 22px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  margin-bottom: 12px;
}
#sidebar .brand small {
  display: block;
  font-family: var(--sans);
  font-size: 11px;
  color: #a9a291;
  margin-top: 4px;
  letter-spacing: 0.02em;
}

.nav-group-label {
  font-size: 11px;
  color: #8b8574;
  padding: 14px 22px 6px;
}

.nav-link {
  display: block;
  padding: 9px 22px;
  color: #cfcabd;
  text-decoration: none;
  font-size: 14px;
  border-left: 3px solid transparent;
  cursor: pointer;
}
.nav-link:hover { background: rgba(255,255,255,0.05); color: #fff; }
.nav-link.active {
  color: #fff;
  border-left-color: var(--accent);
  background: rgba(255,255,255,0.06);
  font-weight: 600;
}

#sidebar .user-box {
  margin-top: auto;
  padding: 16px 22px 0;
  border-top: 1px solid rgba(255,255,255,0.12);
  font-size: 13px;
}
#sidebar .user-box .name { color: #fff; font-weight: 600; }
#sidebar .user-box .role { color: #a9a291; font-size: 12px; margin-bottom: 10px; }

#main { flex: 1; padding: 32px 40px; max-width: 1100px; }

#main h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 24px;
  margin: 0 0 4px;
}
.view-subtitle { color: var(--muted); font-size: 14px; margin: 0 0 24px; }

.panel {
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  padding: 24px;
  margin-bottom: 20px;
}

.toolbar {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.toolbar .field { display: flex; flex-direction: column; }
.toolbar label { margin-top: 0; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
thead th {
  text-align: left;
  font-weight: 600;
  color: var(--muted);
  font-size: 12px;
  padding: 8px 10px;
  border-bottom: 2px solid var(--ink);
}
tbody td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--rule-soft);
}
tbody tr:hover { background: var(--accent-soft); }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tfoot td {
  padding: 10px;
  border-top: 2px solid var(--ink);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.tag {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  border: 1px solid var(--rule);
  color: var(--muted);
}
.tag-asset { border-color: #4a6fa5; color: #4a6fa5; }
.tag-liability { border-color: var(--warn); color: var(--warn); }
.tag-equity { border-color: #7b4fa5; color: #7b4fa5; }
.tag-revenue { border-color: var(--accent); color: var(--accent); }
.tag-expense { border-color: var(--danger); color: var(--danger); }

.balanced-badge {
  display: inline-block;
  padding: 4px 12px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 2px;
}
.balanced-yes { background: var(--accent-soft); color: var(--accent-dark); }
.balanced-no { background: var(--danger-soft); color: var(--danger); }

.je-line-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr auto;
  gap: 10px;
  margin-bottom: 8px;
  align-items: center;
}
.je-totals {
  display: flex;
  justify-content: flex-end;
  gap: 24px;
  padding: 12px 0;
  border-top: 1px solid var(--rule);
  margin-top: 8px;
  font-variant-numeric: tabular-nums;
}
.je-totals.balanced { color: var(--accent-dark); }
.je-totals.unbalanced { color: var(--danger); }

.remove-line-btn {
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--muted);
  width: 30px;
  height: 30px;
  line-height: 1;
}
.remove-line-btn:hover { border-color: var(--danger); color: var(--danger); }

.empty-state {
  color: var(--muted);
  font-style: italic;
  padding: 24px 0;
  text-align: center;
}

.section-divider {
  font-family: var(--serif);
  font-size: 15px;
  color: var(--ink);
  margin: 22px 0 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--rule);
}

.small-muted { font-size: 12px; color: var(--muted); }

#mobile-topbar { display: none; }
#sidebar-backdrop { display: none; }

@media (max-width: 800px) {
  #app-shell { flex-direction: column; }

  #mobile-topbar {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--ink);
    color: #fff;
    padding: 12px 16px;
    position: sticky;
    top: 0;
    z-index: 30;
  }
  #mobile-topbar button {
    background: transparent;
    border: none;
    color: #fff;
    font-size: 24px;
    line-height: 1;
    padding: 4px 8px;
    cursor: pointer;
  }
  #mobile-topbar-title {
    font-family: var(--serif);
    font-size: 18px;
  }

  #sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: 260px;
    max-width: 80%;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    z-index: 40;
    overflow-y: auto;
  }
  #sidebar.open { transform: translateX(0); }

  #sidebar-backdrop.open {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 35;
  }

  #main { padding: 20px; }
  .je-line-row { grid-template-columns: 1fr 1fr; }
}