:root {
  --navy: #16233d;
  --navy-light: #1f3358;
  --green: #0a7d5c;
  --green-dark: #06623f;
  --bg: #f4f6f8;
  --card: #ffffff;
  --border: #e2e6ea;
  --text: #1c2531;
  --text-muted: #667085;
  --danger: #c0392b;
  --danger-bg: #fdecea;
  --warning: #b7791f;
  --warning-bg: #fef6e7;
  --ok: #0a7d5c;
  --ok-bg: #e8f5f0;
  --radius: 8px;
}

* { box-sizing: border-box; }

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

a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Layout ---------- */
.app {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 230px;
  background: var(--navy);
  color: #cfd8e3;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}

.sidebar .brand {
  padding: 22px 20px;
  font-weight: 700;
  font-size: 17px;
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  letter-spacing: 0.2px;
}
.sidebar .brand span { color: var(--green); }

.sidebar nav { padding: 14px 10px; flex: 1; }

.sidebar nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius);
  color: #cfd8e3;
  font-size: 14px;
  margin-bottom: 2px;
}
.sidebar nav a:hover { background: rgba(255,255,255,0.06); text-decoration: none; }
.sidebar nav a.active { background: var(--green); color: #fff; }

.sidebar .user-box {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 13px;
}
.sidebar .user-box .logout { color: #f0a; }
.sidebar .user-box a { color: #9db2c9; }

.main {
  flex: 1;
  min-width: 0;
  position: relative;
}

.topbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 16px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.topbar h1 { font-size: 19px; margin: 0; font-weight: 700; }

.content { padding: 26px 28px; }

/* ---------- Cards / stats ---------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}
.stat-card .num { font-size: 28px; font-weight: 700; color: var(--navy); }
.stat-card .label { color: var(--text-muted); font-size: 13px; margin-top: 4px; }
.stat-card.danger .num { color: var(--danger); }
.stat-card.warning .num { color: var(--warning); }
.stat-card.ok .num { color: var(--ok); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 20px;
}
.card h2 { font-size: 16px; margin: 0 0 16px 0; }

/* ---------- Table ---------- */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); }
th { color: var(--text-muted); font-weight: 600; font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.3px; }
tr:hover td { background: #fafbfc; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-ok { background: var(--ok-bg); color: var(--ok); }
.badge-muted { background: #eef0f2; color: var(--text-muted); }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid.full { grid-template-columns: 1fr; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(10,125,92,0.12);
}

.btn {
  display: inline-block;
  padding: 9px 18px;
  border-radius: 6px;
  border: none;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--green-dark); text-decoration: none; }
.btn-secondary { background: #eef0f2; color: var(--text); }
.btn-secondary:hover { background: #e2e6ea; text-decoration: none; }
.btn-danger { background: var(--danger-bg); color: var(--danger); }
.btn-danger:hover { background: #fbdcd8; text-decoration: none; }
.btn-sm { padding: 5px 12px; font-size: 13px; }

.actions-row { display: flex; gap: 10px; margin-top: 18px; }

/* ---------- Login ---------- */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, var(--navy) 0%, #223454 100%);
}
.login-box {
  background: #fff;
  border-radius: 12px;
  padding: 40px 36px;
  width: 360px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.25);
}
.login-box h1 { font-size: 20px; margin: 0 0 4px 0; }
.login-box p.sub { color: var(--text-muted); font-size: 13px; margin: 0 0 24px 0; }
.login-box .btn { width: 100%; text-align: center; padding: 11px; }

/* ---------- Alerts / flash ---------- */
.alert { padding: 12px 16px; border-radius: 6px; margin-bottom: 18px; font-size: 14px; }
.alert-success { background: var(--ok-bg); color: var(--ok-dark, #06623f); }
.alert-error { background: var(--danger-bg); color: var(--danger); }

/* ---------- Filters ---------- */
.filter-bar { display: flex; gap: 10px; margin-bottom: 18px; flex-wrap: wrap; align-items: center; }
.filter-bar input, .filter-bar select { padding: 8px 12px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; }
.filter-bar .spacer { flex: 1; }

.search-empty { text-align: center; padding: 40px 20px; color: var(--text-muted); }

.doc-list { list-style: none; padding: 0; margin: 0; }
.doc-list li { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--border); }
.doc-list li:last-child { border-bottom: none; }

.worker-photo { width: 34px; height: 34px; border-radius: 50%; object-fit: cover; background: #dfe4ea; }

@media (max-width: 820px) {
  .sidebar { display: none; }
  .form-grid { grid-template-columns: 1fr; }
  .content { padding: 16px; }
}