:root {
  --green: #20765c;
  --green-dark: #155441;
  --green-soft: #e8f4ef;
  --cream: #fffdfa;
  --ink: #21332d;
  --muted: #6d7f78;
  --line: #dce8e3;
  --danger: #b94343;
  --warning: #b57916;
  --shadow: 0 10px 28px rgba(31, 74, 61, .08);
}
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: #f4f7f5; font: 15px/1.5 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: var(--green); text-decoration: none; }
h1, h2, h3 { margin-top: 0; line-height: 1.2; }
h1 { font-size: 25px; } h2 { font-size: 19px; } h3 { font-size: 16px; }
.app { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.sidebar { padding: 23px 16px; color: #fff; background: var(--green-dark); }
.brand { display: flex; align-items: center; gap: 10px; margin-bottom: 26px; color: #fff; font-size: 19px; font-weight: 750; }
.brand-mark { display: grid; width: 38px; height: 38px; border-radius: 12px; place-items: center; color: var(--green-dark); background: #fff; font-size: 22px; }
.nav a { display: block; padding: 10px 12px; margin: 3px 0; border-radius: 9px; color: #d8eee7; }
.nav a:hover, .nav a.active { color: #fff; background: rgba(255,255,255,.13); }
.sidebar-foot { margin-top: 28px; padding: 12px; border-top: 1px solid rgba(255,255,255,.15); color: #d8eee7; font-size: 13px; }
.sidebar-foot strong { display: block; color: #fff; }
.content { padding: 28px; overflow: hidden; }
.topbar, .section-head, .actions { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.topbar { margin-bottom: 20px; }
.topbar small { color: var(--muted); }
.grid { display: grid; gap: 16px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card { padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: #fff; box-shadow: var(--shadow); }
.stat { font-size: 28px; font-weight: 760; color: var(--green-dark); }
.label, .muted { color: var(--muted); }
.label { font-size: 13px; }
.section { margin-top: 19px; }
.btn { display: inline-block; padding: 9px 14px; border: 0; border-radius: 8px; color: #fff; background: var(--green); font: inherit; font-weight: 650; cursor: pointer; }
.btn:hover { color: #fff; background: var(--green-dark); }
.btn-secondary { color: var(--green); background: var(--green-soft); }
.btn-secondary:hover { color: var(--green-dark); background: #d8eee7; }
.btn-small { padding: 6px 9px; font-size: 13px; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 11px 8px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--muted); font-size: 12px; letter-spacing: .03em; text-transform: uppercase; }
tr:last-child td { border-bottom: 0; }
.table-wrap { overflow-x: auto; }
.badge { display: inline-block; padding: 4px 8px; border-radius: 99px; background: #eef2f0; color: var(--muted); font-size: 12px; font-weight: 700; white-space: nowrap; }
.badge.success { color: #16704f; background: #e1f5ec; }
.badge.warning { color: #966514; background: #fff3d6; }
.badge.danger { color: #a83838; background: #fbe5e5; }
form.grid { gap: 13px; }
label { display: block; color: var(--muted); font-size: 13px; font-weight: 650; }
input, select, textarea { width: 100%; padding: 10px; border: 1px solid #cbdad5; border-radius: 8px; background: #fff; color: var(--ink); font: inherit; }
textarea { min-height: 80px; resize: vertical; }
.full { grid-column: 1 / -1; }
.flash { margin-bottom: 16px; padding: 12px 14px; border: 1px solid #c8e7dc; border-radius: 9px; color: var(--green-dark); background: #ebf8f3; }
.login-shell { display: grid; min-height: 100vh; place-items: center; padding: 20px; background: linear-gradient(135deg, #e3f3ed, #fffaf3); }
.login-card { width: min(440px, 100%); padding: 29px; border-radius: 18px; background: #fff; box-shadow: var(--shadow); }
.login-brand { margin-bottom: 10px; color: var(--green-dark); font-size: 24px; font-weight: 800; }
.demo { padding: 11px; border-radius: 8px; background: #f4f7f5; color: var(--muted); font-size: 13px; }
.bar { height: 9px; overflow: hidden; border-radius: 20px; background: #e8efec; }
.bar > span { display: block; height: 100%; border-radius: inherit; background: var(--green); }
.article { padding-bottom: 15px; margin-bottom: 15px; border-bottom: 1px solid var(--line); }
.article:last-child { padding-bottom: 0; margin-bottom: 0; border-bottom: 0; }
canvas { width: 100%; height: 250px; }
.empty { padding: 18px 0; color: var(--muted); text-align: center; }
@media (max-width: 980px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } .grid-3 { grid-template-columns: 1fr; } }
@media (max-width: 720px) {
  .app { display: block; }
  .sidebar { padding: 13px; }
  .brand { margin-bottom: 8px; }
  .nav { display: flex; gap: 4px; overflow-x: auto; }
  .nav a { flex: 0 0 auto; padding: 8px 9px; font-size: 13px; }
  .sidebar-foot { display: none; }
  .content { padding: 17px; }
  .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .topbar { align-items: flex-start; }
}