:root {
  --primary: #1a7a45;
  --primary-dark: #0e4d2b;
  --primary-pale: #eaf5ef;
  --accent: #f5a623;
  --danger: #b3261e;
  --danger-pale: #fdecea;
  --text: #172a1f;
  --muted: #6b7c73;
  --border: #cce5d8;
  --bg: #f4f8f6;
  --white: #fff;
  --radius: 10px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  font-family: 'Segoe UI', system-ui, -apple-system, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.45;
}

h1, h2, h3 { margin: 0 0 12px; line-height: 1.2; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.05rem; }
.muted { color: var(--muted); }

/* Buttons */
.btn {
  border: 0;
  border-radius: 8px;
  padding: 10px 16px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.btn:disabled { opacity: .6; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover:not(:disabled) { background: var(--primary-dark); }
.btn-ghost { background: transparent; color: var(--white); border: 1px solid rgba(255,255,255,.4); }
.btn-ghost:hover { background: rgba(255,255,255,.12); }
.btn-small { padding: 5px 10px; font-size: .85rem; background: var(--primary-pale); color: var(--primary-dark); border: 1px solid var(--border); }
.btn-small:hover { background: var(--border); }

/* Login */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login-card {
  width: 100%; max-width: 380px; background: var(--white);
  border: 1px solid var(--border); border-radius: 14px; padding: 28px;
  display: grid; gap: 14px;
}
.login-card h1 { margin: 0; color: var(--primary-dark); }
.login-card p { margin: 0; }

/* Top bar and tabs */
.topbar {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  background: var(--primary-dark); color: var(--white); padding: 10px 20px;
}
.brand { font-size: 1.05rem; }
.tabs { display: flex; gap: 4px; flex-wrap: wrap; flex: 1; }
.tabs button {
  background: transparent; color: rgba(255,255,255,.8); border: 0; border-radius: 8px;
  padding: 8px 12px; font: inherit; cursor: pointer;
}
.tabs button:hover { background: rgba(255,255,255,.12); }
.tabs button.active { background: var(--white); color: var(--primary-dark); font-weight: 600; }

.panel { max-width: 1200px; margin: 0 auto; padding: 22px 20px 60px; }

/* Cards and grids */
.card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; margin-bottom: 20px;
}
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; margin-bottom: 20px; }
.stat { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; }
.stat .label { color: var(--muted); font-size: .85rem; }
.stat .value { font-size: 1.5rem; font-weight: 700; margin-top: 2px; }
.stat .sub { color: var(--muted); font-size: .8rem; }
.value.pos { color: var(--primary); }
.value.neg { color: var(--danger); }

/* Forms */
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; align-items: end; }
.field { display: grid; gap: 4px; }
.field span { font-size: .85rem; color: var(--muted); font-weight: 600; }
input, select, textarea {
  width: 100%; font: inherit; padding: 9px 10px; border: 1px solid var(--border);
  border-radius: 8px; background: var(--white); color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary); outline-offset: 1px; }
.form-actions { display: flex; gap: 10px; align-items: center; margin-top: 14px; flex-wrap: wrap; }
.form-error { color: var(--danger); background: var(--danger-pale); padding: 8px 10px; border-radius: 8px; margin: 0; }
.hint { color: var(--muted); font-size: .85rem; margin: 10px 0 0; }

/* Tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; white-space: nowrap; }
td.num, th.num { text-align: right; white-space: nowrap; }
tr.total td { font-weight: 700; border-top: 2px solid var(--primary-dark); }
.empty { color: var(--muted); padding: 14px 4px; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: .75rem; font-weight: 600; background: var(--primary-pale); color: var(--primary-dark); }
.badge.warn { background: #fff3da; color: #8a5a00; }
.badge.bad { background: var(--danger-pale); color: var(--danger); }
.pos { color: var(--primary); }
.neg { color: var(--danger); }

.range { display: flex; gap: 8px; flex-wrap: wrap; align-items: end; margin-bottom: 16px; }
.range .field { min-width: 150px; }
.msg-cell { max-width: 360px; white-space: pre-wrap; word-break: break-word; }

/* Toast */
.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  padding: 12px 18px; border-radius: 10px; color: var(--white);
  background: var(--primary-dark); box-shadow: 0 6px 24px rgba(0,0,0,.25); z-index: 50; max-width: 90vw;
}
.toast.error { background: var(--danger); }

@media (max-width: 640px) {
  .topbar { padding: 10px 12px; }
  .panel { padding: 16px 12px 60px; }
}