body {
      font-family: 'Segoe UI', Arial, sans-serif;
      margin: 0;
      padding: 0;
      background-image: url('https://www.dgtren.com/madras/gambar/bg2.png');
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
      background-attachment: fixed;
      min-height: 100vh;
    }
    .header {
      display: flex;
      justify-content: space-between; /* kiri-kanan */
      align-items: center;
      background: linear-gradient(90deg, #2F6E8F, #8ECBE8);
      padding: 12px 20px;
      color: #fff;
      box-shadow: 0 2px 6px rgba(0,0,0,0.2);
      border-radius: 0 0 8px 8px;
    }
    .header-left {
      display: flex;
      align-items: center;
    }
    .header-left img {
      height: 40px;
      width: auto;
      margin-right: 12px;
    }
    .header-left h1 {
      font-size: 20px;
      margin: 0;
    }
    .header-right {
      display: flex;
      align-items: center;
      gap: 15px;
    }
    .header-right i {
      font-size: 22px;
      cursor: pointer;
    }
    .user-photo {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      object-fit: cover;
      border: 2px solid #fff;
      cursor: pointer;
    }
    /* Tombol toggle */
    .toggle-btn {
      margin: 15px;
      padding: 10px 15px;
      background: #2F6E8F;
      color: #fff;
      border: none;
      border-radius: 6px;
      cursor: pointer;
      font-size: 14px;
    }
    .toggle-btn:hover {
      background: #8CC3DE;
    }
    


.summary-container {
  display: none; /* default tersembunyi */
  grid-template-columns: repeat(2, 1fr);   /* selalu 2 kolom */
  gap: 20px;
  padding: 20px;
  margin: 20px;
  background: rgba(255, 255, 255, 0.08);   /* transparan kaca */
  border-radius: 16px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.3); /* garis tipis */
  box-shadow: 0 4px 20px rgba(0,0,0,0.25);
}

.summary-box {
  border-radius: 10px;
  padding: 15px;
  text-align: center;
  background: #fff;                 /* putih polos */
  color: #304F73;                   /* teks biru */
  border: 1px solid #6EA8C4;        /* garis tepi tipis biru */
  transition: transform 0.3s ease;
}

.summary-box:hover {
  transform: translateY(-5px) scale(1.05);
}


.summary-box i {
  font-size: 28px;
  margin-bottom: 8px;
  color: #1A3452;          /* ikon diberi warna biru agar kontras */
}

.summary-box h3 {
  margin: 5px 0;
  font-size: 16px;
}

.summary-box p {
  margin: 0;
  font-size: 14px;
}

.close-summary {
  position: absolute;
  top: -10px;       /* geser sedikit ke atas agar tidak menindih box */
  right: -10px;     /* geser ke kanan luar */
  font-size: 20px;  /* lebih besar */
  font-weight: bold;
  cursor: pointer;
  color: #333;
  background: #fff;
  border-radius: 50%;
  padding: 5px 10px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.chart-container {
  margin-top: 25px;
  padding: 20px;
  text-align: center;
  background: #fff;
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}
.chart-container canvas {
  max-width: 400px;
  margin: auto;
} 



/* Menu utama */
.menu-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr); /* selalu 3 kolom */
  gap: 15px;
  padding: 20px;
  margin: 20px; /* jarak dari sisi layar */
  background: rgba(255, 255, 255, 0.08);   /* transparan */
  border-radius: 16px;
  backdrop-filter: blur(12px);             /* efek kaca */
  -webkit-backdrop-filter: blur(12px);     /* Safari */
  border: 1px solid rgba(255,255,255,0.3); /* garis tipis */
  box-shadow: 0 2px 9px rgba(0,0,0,0.25);
}

/* Tombol menu */
.menu-button {
  display: flex;
  flex-direction: column;     /* ikon di atas, teks di bawah */
  align-items: center;
  justify-content: center;
  min-height: 80px;          /* tinggi seragam */
  width: 100%;                /* isi penuh kolom */
  background: linear-gradient(135deg, #2F6E8F, #8ECBE8);
  border: none;
  border-radius: 12px;
  color: #fff;
  font-weight: 500;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.menu-button:hover,
.menu-button:active {
  transform: translateY(-6px) scale(1.05); /* bergerak naik & membesar */
  box-shadow: 0 6px 16px rgba(0,0,0,0.35);
}

.menu-button i {
  margin-bottom: 8px;
  font-size: 24px;
}

.modal {
  display: none;
  position: fixed;
  z-index: 999;
  left: 0; top: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.5);
}

.modal-content {
  position: relative;
  background: #fff;
  margin: 10px; /* jarak tepi tipis */
  border-radius: 8px;
  width: calc(100% - 20px);
  height: calc(100% - 20px);
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  align-items: center;       /* logo sejajar tengah dengan teks */
  justify-content: center;   /* judul di tengah */
  position: relative;
  padding: 10px;
  border-bottom: 1px solid #ddd;
}

.modal-logo {
  height: 28px;
  margin-right: 10px;
}

.modal-header h2 {
  margin: 0;
  font-size: 18px;
  color: #2F6E8F;
}

.close-btn {
  position: absolute;
  top: 10px; right: 15px;
  font-size: 22px;
  font-weight: bold;
  color: #333;
  cursor: pointer;
}

.modal-content iframe {
  flex: 1;
  border: none;
  border-radius: 0 0 8px 8px;
  width: 100%;
}