:root {
  --navy: #1a3676;
  --navy-dark: #12264f;
  --cyan: #229ece;
  --gray: #9b9b9b;
  --bg: #f4f6fa;
  --card-bg: #ffffff;
  --text: #1f2430;
  --text-muted: #6b7280;
  --border: #e3e7ee;
  --danger: #c0392b;
  --success: #1e8f5f;
  --radius: 10px;
  --sidebar-w: 230px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

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

.app-shell { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: #fff;
  display: flex;
  flex-direction: column;
  padding: 20px 0;
}
.sidebar .brand { padding: 0 20px 20px; border-bottom: 1px solid rgba(255,255,255,0.12); margin-bottom: 12px; }
.sidebar .brand img { max-width: 100%; height: auto; display: block; }
.sidebar nav { flex: 1; }
.sidebar nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 20px;
  color: rgba(255,255,255,0.82);
  font-weight: 500;
  border-left: 3px solid transparent;
}
.sidebar nav a:hover { background: rgba(255,255,255,0.06); text-decoration: none; color: #fff; }
.sidebar nav a.active { background: rgba(34,158,206,0.18); border-left-color: var(--cyan); color: #fff; }
.sidebar .user-box { padding: 14px 20px 0; border-top: 1px solid rgba(255,255,255,0.12); margin-top: 12px; font-size: 12.5px; color: rgba(255,255,255,0.7); }
.sidebar .user-box a { color: var(--cyan); }

/* Main content */
.main { flex: 1; min-width: 0; }
.topbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 16px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.topbar h1 { font-size: 19px; margin: 0; color: var(--navy); }
.content { padding: 24px 28px 60px; }

/* Cards */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}
.card h2, .card h3 { margin-top: 0; color: var(--navy); }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 20px; }
.stat-card {
  background: #fff;
  border: 1px solid var(--border);
  border-left: 4px solid var(--cyan);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.stat-card .label { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--text-muted); margin-bottom: 6px; }
.stat-card .value { font-size: 24px; font-weight: 700; color: var(--navy); }

/* Buttons */
.btn {
  display: inline-block;
  padding: 9px 16px;
  border-radius: 7px;
  border: 1px solid transparent;
  background: var(--cyan);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  font-size: 13.5px;
  line-height: 1.2;
}
.btn:hover { background: #1c88b3; text-decoration: none; color: #fff; }
.btn.secondary { background: #fff; border-color: var(--border); color: var(--text); }
.btn.secondary:hover { background: #f0f2f6; color: var(--text); }
.btn.danger { background: var(--danger); }
.btn.danger:hover { background: #a5301f; }
.btn.small { padding: 5px 10px; font-size: 12.5px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* Forms */
label { display: block; font-weight: 600; margin-bottom: 5px; font-size: 13px; color: var(--text); }
input[type=text], input[type=email], input[type=number], input[type=date], input[type=password], select, textarea {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 7px;
  font-size: 14px;
  background: #fff;
  color: var(--text);
  font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--cyan); outline-offset: 1px; }
.form-row { margin-bottom: 15px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 15px; }
.form-actions { margin-top: 20px; display: flex; gap: 10px; }
.hint { color: var(--text-muted); font-size: 12.5px; margin-top: 4px; }

/* Tables */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 13.5px; }
th { color: var(--text-muted); font-weight: 600; text-transform: uppercase; font-size: 11.5px; letter-spacing: .03em; }
tr:hover td { background: #fafbfd; }
.table-wrap { overflow-x: auto; }

.badge { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 11.5px; font-weight: 600; }
.badge.active, .badge.open { background: #e3f6ec; color: var(--success); }
.badge.inactive, .badge.processed { background: #eef0f4; color: var(--text-muted); }
.badge.currency { background: #eaf6fb; color: var(--navy); }

.alert { padding: 12px 15px; border-radius: 7px; margin-bottom: 18px; font-size: 13.5px; }
.alert.success { background: #e3f6ec; color: var(--success); border: 1px solid #bfe9d3; }
.alert.error { background: #fbe9e7; color: var(--danger); border: 1px solid #f3c6bf; }
.alert.info { background: #eaf6fb; color: var(--navy); border: 1px solid #cfe9f5; }

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

.text-muted { color: var(--text-muted); }
.mt-0 { margin-top: 0; }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; margin-bottom: 18px; }
.filter-bar .form-row { margin-bottom: 0; min-width: 150px; }

/* Login page */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
}
.login-card {
  background: #fff;
  border-radius: 14px;
  padding: 40px 36px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
}
.login-card img { max-width: 220px; display: block; margin: 0 auto 8px; }
.login-card .tagline { text-align: center; color: var(--gray); font-size: 13px; margin-bottom: 26px; }
.login-card .btn { width: 100%; text-align: center; }

/* Paystub */
.paystub {
  background: #fff;
  max-width: 780px;
  margin: 0 auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 40px;
}
.paystub-header { display: flex; justify-content: space-between; align-items: flex-start; border-bottom: 3px solid var(--navy); padding-bottom: 18px; margin-bottom: 22px; }
.paystub-header img { max-width: 200px; }
.paystub-header .meta { text-align: right; color: var(--text-muted); font-size: 13px; }
.paystub h2 { color: var(--navy); margin-bottom: 2px; }
.paystub-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 24px; }
.paystub-grid .block h4 { margin: 0 0 6px; color: var(--text-muted); text-transform: uppercase; font-size: 11.5px; letter-spacing: .04em; }
.net-pay-box { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 16px 20px; display: flex; justify-content: space-between; align-items: center; margin-top: 10px; }
.net-pay-box .amount { font-size: 26px; font-weight: 700; color: var(--navy); }
.print-actions { max-width: 780px; margin: 0 auto 16px; display: flex; justify-content: flex-end; gap: 10px; }

@media print {
  .no-print, .sidebar, .topbar { display: none !important; }
  body { background: #fff; }
  .app-shell, .main, .content { display: block; margin: 0; padding: 0; }
  .paystub { border: none; padding: 0; max-width: 100%; }
}