:root {
  --green: #0d5c33;
  --green-dark: #0a4a29;
  --green-tint: #e7f1ec;
  --amber: #b8860b;
  --amber-tint: #fdf6e3;
  --red: #b3261e;
  --gray: #6b7280;
  --bg: #f6f8f6;
  --card: #ffffff;
  --border: #e2e8e4;
  --text: #1a1f1c;
  --muted: #64726a;
  --shadow: 0 1px 3px rgba(13, 92, 51, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  --radius: 10px;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", "Roboto Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  margin: 0;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--green);
  color: #fff;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 20px;
  height: 56px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
}
.nav .brand {
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.2px;
  color: #fff;
  text-decoration: none;
  margin-right: 18px;
  white-space: nowrap;
}
.nav a {
  color: #d9ece1;
  text-decoration: none;
  font-size: 14px;
  padding: 8px 12px;
  border-radius: 7px;
  transition: background 0.15s, color 0.15s;
}
.nav a:hover { background: rgba(255, 255, 255, 0.12); color: #fff; }
.nav .spacer { margin-left: auto; }
.nav .who {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.14);
  color: #eaf5ee;
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 999px;
}
.nav .who b { color: #fff; font-weight: 600; }
.nav .logout {
  color: #d9ece1;
  border: 1px solid rgba(255, 255, 255, 0.3);
}
.nav .logout:hover { background: rgba(255, 255, 255, 0.16); }

/* ---------- Layout ---------- */
main { max-width: 940px; margin: 0 auto; padding: 26px 20px 60px; }
h1 { font-size: 22px; margin: 0 0 18px; }
h2 { font-size: 16px; margin: 0 0 14px; }

.page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}
.page-head h1 { margin: 0; }

/* ---------- Flash / alerts ---------- */
.flash {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 940px;
  margin: 14px auto 0;
  padding: 11px 16px;
  background: var(--amber-tint);
  border: 1px solid #ecd9a8;
  border-left: 4px solid var(--amber);
  border-radius: 8px;
  color: #6b5307;
  font-size: 14px;
}
.flash::before { content: "!"; font-weight: 700; color: var(--amber); }
.flash .x { margin-left: auto; color: var(--amber); text-decoration: none; font-weight: 700; opacity: 0.7; }

/* ---------- Cards ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  margin-bottom: 22px;
}
.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}
.card-head h1, .card-head h2 { margin: 0; }

/* ---------- Buttons ---------- */
.btn, button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--green);
  color: #fff;
  border: 1px solid var(--green);
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, box-shadow 0.15s;
}
.btn:hover, button:hover { background: var(--green-dark); }
.btn-outline {
  background: #fff;
  color: var(--green);
  border: 1px solid var(--green);
}
.btn-outline:hover { background: var(--green-tint); }
.btn-sm { padding: 6px 12px; font-size: 13px; }

/* ---------- Forms ---------- */
form { margin: 0; }
.field, form label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 14px;
}
.field .req { color: var(--red); }
input, select {
  font: inherit;
  font-weight: 400;
  color: var(--text);
  padding: 9px 11px;
  border: 1px solid #cfd6d1;
  border-radius: 8px;
  background: #fff;
  transition: border 0.15s, box-shadow 0.15s;
}
input:focus, select:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(13, 92, 51, 0.15);
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 22px;
}
.form-grid .full { grid-column: 1 / -1; }
.sub-head {
  grid-column: 1 / -1;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  padding-top: 14px;
  margin: 6px 0 14px;
}
.form-actions { margin-top: 8px; }
.hint { font-weight: 400; font-size: 12px; color: var(--muted); }

/* ---------- Segmented toggle ---------- */
.segmented {
  display: inline-flex;
  border: 1px solid var(--green);
  border-radius: 9px;
  overflow: hidden;
  margin-bottom: 14px;
}
.segmented input { position: absolute; opacity: 0; pointer-events: none; }
.segmented label {
  margin: 0;
  padding: 9px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--green);
  background: #fff;
  cursor: pointer;
  user-select: none;
}
.segmented label + input + label { border-left: 1px solid var(--green); }
.segmented input:checked + label { background: var(--green); color: #fff; }
.segmented input:focus-visible + label { box-shadow: inset 0 0 0 2px rgba(13, 92, 51, 0.4); }
.field-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 5px;
}

/* ---------- Tables ---------- */
table { border-collapse: collapse; width: 100%; font-size: 14px; }
thead th, table tr:first-child th {
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
  background: #f0f4f1;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 56px;
}
td { padding: 12px; border-bottom: 1px solid #eef2ef; vertical-align: middle; }
tbody tr:hover, table tr:hover { background: #f7faf8; }
.num { text-align: right; }
.mono { font-family: var(--mono); font-size: 13px; }
.logo-thumb {
  width: 34px; height: 34px;
  object-fit: contain;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
}

/* ---------- Badges ---------- */
.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
  letter-spacing: 0.2px;
}
.badge-prefix { background: var(--green-tint); color: var(--green); }
.badge-muted { background: #eef1ef; color: var(--muted); }
.badge-green-outline { background: #fff; color: var(--green); border: 1px solid var(--green); }
.badge-amber-outline { background: #fff; color: var(--amber); border: 1px solid var(--amber); }
.badge-green { background: var(--green-tint); color: var(--green); }
.badge-red { background: #fbe9e8; color: var(--red); }
.badge-gray { background: #eef1ef; color: var(--muted); }

.amt-pos { color: var(--green); font-weight: 600; }
.amt-neg { color: var(--red); font-weight: 600; }

/* ---------- Empty state ---------- */
.empty {
  text-align: center;
  color: var(--muted);
  padding: 40px 20px;
  font-size: 15px;
}

/* ---------- Stat cards ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 22px;
}
.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 20px;
}
.stat .label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
  margin-bottom: 6px;
}
.stat .value { font-size: 30px; font-weight: 700; color: var(--green); line-height: 1.1; }
.stat.warn .value { color: var(--amber); }
.stat .unit { font-size: 13px; font-weight: 500; color: var(--muted); }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }

/* ---------- Login ---------- */
.login-wrap {
  max-width: 380px;
  margin: 8vh auto 0;
}
.login-wrap .brand-lg {
  text-align: center;
  font-size: 22px;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 18px;
}

@media (max-width: 720px) {
  .form-grid, .two-col, .stats { grid-template-columns: 1fr; }
}

/* danger variant for destructive outline buttons (user delete) */
.btn-danger { color: #a33; border-color: #a33; }
.btn-danger:hover { background: #faeaea; }

/* live credit balance chip in the nav */
.credits { background: rgba(255,255,255,.15); color: #fff; border-radius: 12px;
           padding: 3px 12px; font-size: 13px; font-weight: 600; margin-right: 10px; }
.credits-low { background: #b8860b; }