:root {
  --brand: #2f5233;
  --brand-dark: #1f3a23;
  --sidebar-w: 250px;
}

* { box-sizing: border-box; }

body {
  background: #f4f6f5;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

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

/* SIDEBAR */
.sidebar {
  width: var(--sidebar-w);
  background: var(--brand-dark);
  color: #fff;
  position: fixed;
  top: 0; bottom: 0; left: 0;
  overflow-y: auto;
  z-index: 1030;
  transition: transform .25s ease;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: 1.1rem 1rem;
  font-weight: 700;
  font-size: 1rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.sidebar-brand i { font-size: 1.4rem; color: #a9d6b5; }

.sidebar-nav { padding: .75rem 0; }
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .6rem 1.1rem;
  color: rgba(255,255,255,.8);
  text-decoration: none;
  font-size: .92rem;
  border-left: 3px solid transparent;
}
.sidebar-nav a:hover { background: rgba(255,255,255,.06); color: #fff; }
.sidebar-nav a.active {
  background: rgba(255,255,255,.1);
  color: #fff;
  border-left-color: #a9d6b5;
  font-weight: 600;
}
.sidebar-section {
  padding: 1rem 1.1rem .3rem;
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: rgba(255,255,255,.45);
}

/* MAIN CONTENT */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  background: #fff;
  padding: .8rem 1.4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #e4e7e5;
  position: sticky;
  top: 0;
  z-index: 1020;
}
.topbar-user { font-size: .9rem; }

.page-content { padding: 1.4rem; flex: 1; }
.page-footer {
  padding: 1rem 1.4rem;
  font-size: .8rem;
  color: #777;
  text-align: center;
  border-top: 1px solid #e4e7e5;
  background: #fff;
}

/* CARDS & TABLES */
.card { border: none; box-shadow: 0 1px 3px rgba(0,0,0,.06); border-radius: .6rem; }
.stat-card { border-radius: .8rem; color: #fff; padding: 1.2rem; }
.stat-card h3 { font-weight: 700; margin: 0; }
.stat-card small { opacity: .85; }
.table thead { background: #eef3ee; }

.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
}
.login-card {
  background: #fff;
  border-radius: 1rem;
  padding: 2.2rem;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 20px 50px rgba(0,0,0,.25);
}

@media (max-width: 991.98px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.show { transform: translateX(0); }
  .main-content { margin-left: 0; }
}

/* Halaman cetak */
@media print {
  .no-print { display: none !important; }
  body { background: #fff; }
}