:root {
  --sipus-green: #2e7d32;
  --sipus-green-dark: #1b5e20;
  --sipus-green-light: #e8f5e9;
}

body {
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
  background-color: #f4f6f5;
  margin: 0;
}

/* ===== Topbar ===== */
.topbar {
  background-color: var(--sipus-green);
  height: 58px;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1030;
  box-shadow: 0 2px 6px rgba(0,0,0,.15);
}
.topbar-logo { height: 32px; width: 32px; object-fit: cover; border-radius: 6px; }
.btn-icon-topbar { color: #fff; border: none; background: transparent; }

/* ===== Layout ===== */
.app-wrapper { display: flex; padding-top: 58px; min-height: 100vh; }

.sidebar {
  width: 240px;
  background: #ffffff;
  border-right: 1px solid #e5e5e5;
  position: fixed;
  top: 58px; bottom: 0; left: 0;
  overflow-y: auto;
  z-index: 1020;
  transition: transform .25s ease;
}
.sidebar .nav-link {
  color: #37474f;
  padding: 12px 20px;
  display: flex; align-items: center; gap: 12px;
  border-left: 4px solid transparent;
  font-weight: 500;
}
.sidebar .nav-link i { font-size: 1.1rem; width: 20px; text-align: center; }
.sidebar .nav-link:hover { background: var(--sipus-green-light); color: var(--sipus-green-dark); }
.sidebar .nav-link.active {
  background: var(--sipus-green-light);
  color: var(--sipus-green-dark);
  border-left-color: var(--sipus-green);
  font-weight: 700;
}

.main-content {
  margin-left: 240px;
  padding: 24px;
  width: 100%;
}

.sidebar-backdrop {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.4);
  z-index: 1015;
}

@media (max-width: 767.98px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.show { transform: translateX(0); }
  .main-content { margin-left: 0; padding: 16px; }
  .sidebar-backdrop.show { display: block; }
}

/* ===== Login Page ===== */
.login-body {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--sipus-green-dark), var(--sipus-green));
  padding: 16px;
}
.login-wrapper { width: 100%; max-width: 420px; }
.login-card { border-radius: 16px; }
.login-logo { height: 64px; width: 64px; object-fit: cover; border-radius: 12px; }
.login-logo-placeholder {
  height: 64px; width: 64px; border-radius: 12px; background: var(--sipus-green-light);
  color: var(--sipus-green); font-size: 2rem; display: flex; align-items: center; justify-content: center;
  margin: 0 auto;
}

/* ===== Kartu Statistik ===== */
.stat-card {
  border-radius: 14px;
  border: none;
  box-shadow: 0 2px 10px rgba(0,0,0,.06);
  padding: 20px;
  height: 100%;
}
.stat-card .stat-number { font-size: 1.9rem; font-weight: 700; color: var(--sipus-green-dark); }
.stat-card .stat-label { font-size: .85rem; color: #6c757d; }
.stat-card .stat-icon {
  width: 46px; height: 46px; border-radius: 12px;
  background: var(--sipus-green-light); color: var(--sipus-green);
  display: flex; align-items: center; justify-content: center; font-size: 1.3rem;
}

/* ===== Badge Status Peminjaman ===== */
.badge-pengajuan { background: #ff9800; color: #fff; }
.badge-dipinjam { background: #1976d2; color: #fff; }
.badge-kembali { background: #2e7d32; color: #fff; }
.badge-ditolak { background: #d32f2f; color: #fff; }

/* ===== Buku grid (guru/murid) ===== */
.book-card { border-radius: 12px; overflow: hidden; border: 1px solid #eee; box-shadow: 0 1px 6px rgba(0,0,0,.05); height: 100%; }
.book-cover { height: 190px; width: 100%; object-fit: cover; background: #f0f0f0; }
.book-card .card-body { display: flex; flex-direction: column; }

/* ===== Umum ===== */
.card { border-radius: 12px; }
.btn-success { background-color: var(--sipus-green); border-color: var(--sipus-green); }
.btn-success:hover { background-color: var(--sipus-green-dark); border-color: var(--sipus-green-dark); }
.page-title { font-weight: 700; color: var(--sipus-green-dark); }
.table thead { background: var(--sipus-green-light); }
.required-star { color: #d32f2f; }

/* ===== Kartu Anggota Cetak ===== */
.member-card-print {
  width: 340px;
  border: 2px solid var(--sipus-green);
  border-radius: 14px;
  padding: 16px;
  font-family: "Segoe UI", Arial, sans-serif;
}