:root {
  --bg: #f4f7f5;
  --panel: #ffffff;
  --panel-2: #eef8f3;
  --text: #0f172a;
  --muted: #64748b;
  --line: #dce7df;
  --primary: #0f766e;
  --primary-2: #14b8a6;
  --danger: #dc2626;
  --warning: #d97706;
  --success: #15803d;
  --info: #2563eb;
  --radius: 18px;
  --shadow: 0 18px 50px rgba(15, 23, 42, .08);
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, rgba(20,184,166,.18), transparent 32%), var(--bg);
  color: var(--text);
  font-weight: 400;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
.app-shell { min-height: 100vh; display: grid; grid-template-columns: 280px minmax(0, 1fr); }
.sidebar {
  background: linear-gradient(180deg, #0f3d35 0%, #0f766e 55%, #052e2b 100%);
  color: #ecfeff;
  padding: 20px 16px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.brand { display: flex; gap: 12px; align-items: center; padding: 10px 8px 18px; }
.brand-mark { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 16px; background: rgba(255,255,255,.14); font-size: 26px; box-shadow: inset 0 0 0 1px rgba(255,255,255,.18); }
.brand strong { display: block; font-size: 18px; font-weight: 700; line-height: 1.15; }
.brand small { display: block; color: #b7f7ee; font-size: 12px; margin-top: 3px; }
.side-nav { display: grid; gap: 6px; }
.side-nav a { display: flex; align-items: center; gap: 10px; padding: 12px 12px; border-radius: 14px; color: #d8fff9; font-weight: 600; }
.side-nav a:hover, .side-nav a.active { background: rgba(255,255,255,.15); color: #fff; }
.main { min-width: 0; }
.topbar {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 24px;
  background: rgba(255,255,255,.86);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar strong { display:block; font-weight: 700; }
.topbar small { color: var(--muted); font-size: 12px; }
.topbar-user { display:flex; align-items:center; gap: 10px; text-align:right; }
.topbar-user span { font-weight: 700; }
.menu-toggle { display:none; border: 1px solid var(--line); background: #fff; border-radius: 12px; padding: 9px 12px; cursor: pointer; }
.content { padding: 24px; max-width: 1440px; margin: 0 auto; }
.page-title { display:flex; justify-content:space-between; align-items:flex-start; gap: 16px; margin-bottom: 20px; }
.page-title h1 { margin:0; font-size: clamp(24px, 3vw, 34px); letter-spacing: -.03em; }
.page-title p { margin: 6px 0 0; color: var(--muted); }
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; }
.card h2, .card h3 { margin: 0 0 12px; letter-spacing: -.02em; }
.kpi { display:flex; justify-content:space-between; gap: 14px; align-items:flex-start; }
.kpi span { color: var(--muted); font-size: 13px; font-weight: 600; }
.kpi strong { display:block; margin-top: 8px; font-size: 28px; letter-spacing: -.04em; }
.kpi-icon { width:42px; height:42px; border-radius:14px; display:grid; place-items:center; background: var(--panel-2); }
.progress { height: 10px; border-radius: 99px; background: #e2e8f0; overflow: hidden; }
.progress > span { display:block; height:100%; background: linear-gradient(90deg, var(--primary), var(--primary-2)); }
.table-wrap { width: 100%; overflow-x: auto; border: 1px solid var(--line); border-radius: 16px; }
table { width: 100%; border-collapse: collapse; min-width: 760px; background:#fff; }
th, td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align:left; vertical-align: top; }
th { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; background: #f8fafc; }
tr:last-child td { border-bottom: 0; }
.actions { display:flex; flex-wrap:wrap; gap: 8px; align-items:center; }
.btn { border: 0; border-radius: 12px; padding: 10px 14px; background: var(--primary); color:#fff; font-weight:700; cursor:pointer; display:inline-flex; align-items:center; justify-content:center; gap:8px; min-height: 40px; }
.btn:hover { filter: brightness(.96); }
.btn-sm { padding: 7px 10px; min-height: 32px; font-size: 13px; }
.btn-secondary { background: #e0f2f1; color:#115e59; }
.btn-danger { background: var(--danger); }
.btn-warning { background: var(--warning); }
.btn-ghost { background: #f1f5f9; color: #0f172a; }
.form-grid { display:grid; gap: 14px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-grid .full { grid-column: 1 / -1; }
label { display:grid; gap: 7px; color: #334155; font-weight: 700; font-size: 13px; }
input, select, textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 12px; padding: 11px 12px; background: #fff; color: var(--text); outline: none;
}
textarea { min-height: 96px; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--primary-2); box-shadow: 0 0 0 4px rgba(20,184,166,.13); }
.help { color: var(--muted); font-size: 12px; }
.badge { display:inline-flex; align-items:center; border-radius: 99px; padding: 5px 9px; font-size: 12px; font-weight: 700; background:#e2e8f0; color:#334155; white-space: nowrap; }
.badge-success { background:#dcfce7; color:#166534; }
.badge-warning { background:#fef3c7; color:#92400e; }
.badge-danger { background:#fee2e2; color:#991b1b; }
.badge-info { background:#dbeafe; color:#1e40af; }
.alert { padding: 13px 15px; border-radius: 14px; margin-bottom: 14px; border: 1px solid var(--line); background:#fff; font-weight:600; }
.alert-success { border-color:#bbf7d0; background:#f0fdf4; color:#166534; }
.alert-danger { border-color:#fecaca; background:#fef2f2; color:#991b1b; }
.alert-info { border-color:#bfdbfe; background:#eff6ff; color:#1e40af; }
.login-body { min-height: 100vh; display:grid; place-items:center; padding: 20px; }
.login-card { width:min(440px, 100%); background:#fff; border:1px solid var(--line); border-radius: 24px; padding: 26px; box-shadow: var(--shadow); }
.login-logo { display:grid; place-items:center; width:70px; height:70px; border-radius: 22px; margin: 0 auto 16px; background:linear-gradient(135deg,var(--primary),var(--primary-2)); color:#fff; font-size: 34px; }
.login-card h1 { text-align:center; margin:0; }
.login-card p { text-align:center; color:var(--muted); margin: 8px 0 22px; }
.item-row { display:grid; grid-template-columns: 2fr 1fr 1fr 1.2fr auto; gap: 10px; align-items:end; padding: 12px; border:1px solid var(--line); border-radius: 14px; background:#f8fafc; margin-bottom: 10px; }
.empty { color: var(--muted); padding: 18px; background:#f8fafc; border-radius: 14px; border:1px dashed var(--line); }
.footer-note { color: var(--muted); font-size: 12px; margin-top: 16px; text-align:center; }
@media (max-width: 1100px) { .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 860px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: fixed; inset: 0 auto 0 0; width: 286px; transform: translateX(-102%); transition: .2s ease; z-index: 30; }
  .sidebar.open { transform: translateX(0); }
  .menu-toggle { display:block; }
  .topbar { padding: 0 14px; }
  .topbar-user small { display:none; }
  .content { padding: 16px; }
  .page-title { flex-direction:column; }
  .grid-2, .grid-3, .grid-4, .form-grid { grid-template-columns: 1fr; }
  .item-row { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .topbar-user span { display:none; }
  .btn { width: 100%; }
  .actions .btn { width:auto; }
  .card { padding: 14px; }
}