:root {
  --bg: #f5f4f1;
  --surface: #ffffff;
  --ink: #1c1b19;
  --muted: #6b6660;
  --border: #e4e1da;
  --accent: #6b4423;
  --accent-ink: #ffffff;
  --danger: #a3352b;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
}

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

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--ink);
  font-size: 1.1rem;
}

.brand-logo {
  height: 28px;
  width: 28px;
  object-fit: contain;
}

.nav-toggle {
  display: none;
  background: none;
  color: var(--ink);
  border: none;
  border-radius: 0;
  padding: 0.2rem 0.4rem;
  font-size: 1.4rem;
  font-weight: 400;
  cursor: pointer;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
  padding: 0.6rem 1rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.nav a, .nav .link-btn {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.95rem;
  padding: 0.3rem 0.1rem;
}

.nav a:hover, .nav .link-btn:hover { color: var(--accent); }

.link-btn {
  background: none;
  border: none;
  cursor: pointer;
  font: inherit;
  padding: 0;
}

.content {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.25rem 1rem 3rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.75rem;
  margin-top: 1rem;
}

.card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  text-align: center;
}

.widget {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  text-decoration: none;
  color: var(--ink);
}

.widget h3 {
  margin: 0 0 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.widget .widget-value {
  font-size: 1.5rem;
  font-weight: 700;
}

.widget .muted {
  font-size: 0.85rem;
  margin: 0.1rem 0 0.5rem;
}

.page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.detail-list {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem 1.1rem;
  margin: 1rem 0;
}

.detail-list dt {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 0.5rem;
}

.detail-list dd {
  margin: 0 0 0.1rem;
  font-size: 1rem;
}

.pdf-preview {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.5rem;
  margin: 1rem 0;
}

.pdf-preview embed {
  width: 100%;
  height: 80vh;
  min-height: 500px;
  border: none;
  border-radius: calc(var(--radius) - 4px);
}

.pdf-preview .muted {
  text-align: center;
  margin: 0.5rem 0 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

th, td {
  text-align: left;
  padding: 0.55rem 0.6rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}

th { background: #efece5; font-weight: 600; }

form.stacked label {
  display: block;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
  color: var(--muted);
}

input, select, textarea, button {
  font: inherit;
}

input, select, textarea {
  display: block;
  width: 100%;
  margin-top: 0.25rem;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
}

button, .btn {
  background: var(--accent);
  color: var(--accent-ink);
  border: none;
  border-radius: 8px;
  padding: 0.6rem 1rem;
  cursor: pointer;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
}

button:disabled {
  background: var(--border);
  color: var(--muted);
  cursor: not-allowed;
}

.confirm-armed {
  background: var(--danger) !important;
  color: #fff !important;
}

button.secondary, .btn.secondary {
  background: var(--surface);
  color: var(--accent);
  border: 1px solid var(--accent);
}

.error { color: var(--danger); font-weight: 600; }

.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg);
  margin: 0;
}

.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  width: 100%;
  max-width: 320px;
}

.login-card h1 { font-size: 1.2rem; margin-top: 0; }

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem 1rem;
}

.expense-id-field {
  max-width: 100px;
}
.expense-id-field input {
  font-size: 0.85rem;
  color: var(--muted);
}

.table-scroll {
  overflow-x: auto;
  width: 100%;
}

table.items-table {
  min-width: 640px;
}

.items-table input, .items-table select {
  margin-top: 0;
  padding: 0.35rem 0.4rem;
  min-width: 90px;
}

.items-table input.num { text-align: right; }
.items-table td.num, .items-table th.num { text-align: right; }
.items-table .line-total { font-weight: 600; white-space: nowrap; }

.icon-btn {
  background: none;
  border: none;
  color: var(--danger);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 0.2rem 0.4rem;
}

.totals-block {
  max-width: 280px;
  margin-left: auto;
  margin-top: 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
}

.search-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin-top: 1rem;
  max-width: 420px;
}

.search-row input[type="search"] {
  flex: 1;
}

.totals-block > div {
  display: flex;
  justify-content: space-between;
  padding: 0.15rem 0;
}

.totals-block .grand {
  font-weight: 700;
  font-size: 1.1rem;
  border-top: 1px solid var(--border);
  margin-top: 0.3rem;
  padding-top: 0.4rem;
}

.pill {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}

.pill.paid { background: #e3efe3; color: #2c6b2f; }
.pill.unpaid { background: #f5e6e1; color: var(--danger); }

.pill-btn {
  border: none;
  border-radius: 999px;
  padding: 0.2rem 0.7rem;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}

.pill-btn.paid { background: #e3efe3; color: #2c6b2f; }
.pill-btn.unpaid { background: #f5e6e1; color: var(--danger); }

.cal-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin: 1rem 0;
}

.cal-nav-label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.05rem;
}

.cal-today-link {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 0.1rem 0.55rem;
}

.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.4rem;
  margin-bottom: 0.4rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  text-align: center;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.4rem;
}

.calendar-day {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.35rem;
  min-height: 90px;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.calendar-day.empty {
  background: transparent;
  border-color: transparent;
}

.calendar-day.past {
  opacity: 0.6;
}

.calendar-day.today {
  border-color: var(--accent);
  border-width: 2px;
}

.day-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.day-num {
  font-size: 0.85rem;
  font-weight: 600;
}

.calendar-day.today .day-num {
  color: var(--accent);
}

.day-add {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1;
  padding: 0 0.2rem;
}

.day-add:hover { color: var(--accent); }

.cal-job {
  display: block;
  background: #efe6dc;
  color: var(--accent);
  border-radius: 5px;
  padding: 0.1rem 0.3rem;
  font-size: 0.72rem;
  font-weight: 600;
  text-decoration: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cal-more {
  font-size: 0.7rem;
  color: var(--muted);
}

@media (max-width: 640px) {
  .nav-toggle { display: block; }
  .nav { display: none; flex-direction: column; }
  .nav.open { display: flex; }

  .calendar-day { min-height: 62px; padding: 0.25rem; gap: 0.1rem; }
  .day-num { font-size: 0.75rem; }
  .cal-job { font-size: 0.6rem; padding: 0.05rem 0.2rem; }
  .cal-nav-label { font-size: 0.9rem; }
}