:root {
  --brown: #4a2c1d;
  --brown-dark: #331e13;
  --tan: #f0e6d6;
  --cream: #fbf7f0;
  --text: #2a1c14;
  --muted: #7a6a5c;
  --border: #e2d6c4;
  --red: #b3261e;
  --green: #2e7d32;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Arial, sans-serif;
  background: var(--cream);
  color: var(--text);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--brown);
  color: #fff;
  padding: 0.75rem 1.25rem;
  flex-wrap: wrap;
}

.brand { font-size: 1.25rem; font-weight: 700; }
.brand span { font-weight: 400; opacity: 0.85; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
}

nav#mainNav { display: flex; gap: 0.25rem; flex-wrap: wrap; }

nav#mainNav a {
  color: #f0e6d6;
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  font-size: 0.95rem;
}

nav#mainNav a:hover { background: rgba(255,255,255,0.12); }
nav#mainNav a.active { background: #fff; color: var(--brown); font-weight: 600; }
nav#mainNav a.logout { margin-left: 0.5rem; opacity: 0.8; }

.content { max-width: 1200px; margin: 0 auto; padding: 1.5rem; }

h1 { color: var(--brown); margin-top: 0; }

.hint { color: var(--muted); max-width: 70ch; }

.flash-error {
  background: #fdecea;
  color: var(--red);
  border: 1px solid #f5c2c0;
  padding: 0.6rem 1rem;
  border-radius: 8px;
}

.inline-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: end;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
  margin-bottom: 1.5rem;
}

.inline-form label {
  display: flex;
  flex-direction: column;
  font-size: 0.85rem;
  color: var(--muted);
  gap: 0.25rem;
}

.inline-form input, .inline-form select {
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.95rem;
  min-width: 140px;
}

.inline-form button, form.login-box button {
  background: var(--brown);
  color: #fff;
  border: none;
  padding: 0.55rem 1.1rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.95rem;
  height: fit-content;
}

.inline-form button:hover, form.login-box button:hover { background: var(--brown-dark); }

.table-scroll { overflow-x: auto; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.data-table th, .data-table td {
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  white-space: nowrap;
  font-size: 0.92rem;
}

.data-table th { background: var(--tan); color: var(--brown-dark); }
.data-table td.num, .data-table th.num { text-align: right; }
.num { text-align: right; }
.negative { color: var(--red); }

.data-table tfoot td { font-weight: 700; background: var(--tan); }
.total-row td { background: var(--tan); font-weight: 700; }

.link-btn {
  background: none;
  border: none;
  color: var(--red);
  cursor: pointer;
  text-decoration: underline;
  padding: 0;
  font-size: 0.85rem;
}

.snapshot {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.snap-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  flex: 1;
  min-width: 200px;
}

.snap-label { color: var(--muted); font-size: 0.85rem; }
.snap-value { font-size: 1.6rem; font-weight: 700; color: var(--brown); }
.snap-value.negative { color: var(--red); }

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

.login-box {
  background: #fff;
  padding: 2rem;
  border-radius: 12px;
  width: 320px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.login-box h1 { text-align: center; }
.login-box label { display: flex; flex-direction: column; gap: 0.3rem; font-size: 0.9rem; color: var(--muted); }
.login-box input {
  padding: 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  nav#mainNav {
    display: none;
    flex-direction: column;
    width: 100%;
    margin-top: 0.75rem;
  }
  nav#mainNav.open { display: flex; }
  .inline-form { flex-direction: column; align-items: stretch; }
  .inline-form input, .inline-form select { min-width: 0; }
}