:root {
  --main-color: #007bff;
  --bg-color: #e0f7fa;
  --white: #ffffff;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background: linear-gradient(135deg, #f4f9fc, var(--bg-color));
  padding: 20px;
  color: #333;
}

/* Animasi */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

section {
  animation: fadeIn 1s ease-in-out;
}

h1 {
  font-size: 2rem;
  margin-bottom: 20px;
  text-align: center;
  color: var(--main-color);
  animation: fadeInDown 1s ease-in-out;
}

h2, h3 {
  margin-top: 30px;
  margin-bottom: 10px;
  position: relative;
  padding-left: 30px;
}

h2::before, h3::before {
  content: '';
  background-image: url('icon-inject.svg');
  background-size: 20px 20px;
  width: 20px;
  height: 20px;
  position: absolute;
  left: 0;
  top: 2px;
}

form {
  background: var(--white);
  padding: 25px;
  border-radius: 15px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  max-width: 1000px;
  margin: auto;
  animation: fadeIn 0.7s ease;
}

/* Input dan Label */
label {
  font-weight: 600;
  margin-top: 10px;
  display: block;
}

input, select {
  width: 100%;
  padding: 10px;
  margin-top: 5px;
  margin-bottom: 15px;
  border: 1px solid #b2dfdb;
  border-radius: 8px;
  transition: all 0.3s ease;
}

input:focus, select:focus {
  border-color: var(--main-color);
  box-shadow: 0 0 5px rgba(16, 132, 137, 0.3);
  outline: none;
  transform: scale(1.02);
}

/* Grid Layouts */
.form-grid-2col, .form-grid-1col {
  display: grid;
  gap: 10px;
  margin-bottom: 20px;
}

.form-grid-2col {
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.form-grid-1col {
  grid-template-columns: 1fr;
}

/* Table Grid */
.header-grid, .row-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
  margin-bottom: 10px;
}

.header-grid {
  background-color: rgba(16, 132, 137, 0.1);
  padding: 8px;
  font-weight: bold;
  color: var(--main-color);
  border-radius: 6px;
  text-align: center;
}

.row-grid input {
  text-align: center;
}

/* Contoh grid untuk holding (3 kolom) */
.holding-header, .holding-row {
  grid-template-columns: repeat(3, 1fr);
}

/* Suck Grid Responsive */
.suck-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.suck-grid .row {
  display: flex;
  flex-wrap: nowrap; /* Tetap nowrap supaya tidak pindah baris */
  align-items: center;
  gap: 10px;
}

.suck-grid label.label-left {
  width: 60px;
  font-weight: bold;
}

.suck-grid .label-header, 
.suck-grid .label-suck {
  font-weight: bold;
  color: var(--main-color);
}

.suck-grid .gap {
  flex: 1 1 20px;
}

.suck-grid input, 
.suck-grid select {
  flex: 1 1 60px;
  text-align: center;
  min-width: 50px;
  max-width: 80px;
}

/* Tombol Simpan */
button[type="submit"] {
  background-color: var(--main-color);
  color: white;
  padding: 12px 20px;
  font-size: 1rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.3s ease;
  display: block;
  margin: 30px auto 0;
}

button[type="submit"]:hover {
  background-color: #005bb5;
}

/* Notifikasi */
#notifikasi {
  transition: opacity 0.5s ease;
  opacity: 0;
  margin-top: 20px;
  text-align: center;
  color: green;
  font-weight: bold;
}

#notifikasi.show {
  opacity: 1;
}

.btn-output {
  background-color: #007bff;
  color: white;
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.btn-output:hover {
  background-color: #0056b3;
}


/* =========================================
   RESPONSIVE DESIGN (Tablet & HP)
========================================= */
@media (max-width: 767px) {
  body {
    padding: 10px;
  }

  h1 {
    font-size: 1.7rem;
    margin-bottom: 18px;
  }

  form {
    padding: 18px;
  }

  label {
    font-size: 14px;
  }

  input, select {
    padding: 9px;
    font-size: 13.5px;
  }

  .form-grid-2col {
    grid-template-columns: 1fr;
  }

  .header-grid, .row-grid {
    grid-template-columns: repeat(3, 1fr);
    font-size: 14px;
  }

  .suck-grid {
    gap: 0.3rem;
  }

  .suck-grid .row {
    flex-wrap: nowrap;
    justify-content: flex-start;
    gap: 0;
  }

  .suck-grid .row > *:not(:last-child) {
    margin-right: 4px;
  }

  .suck-grid label.label-left {
    width: 45px;
    font-size: 13px;
  }

  .suck-grid input, .suck-grid select {
    flex: 1 1 60px;
    max-width: 60px;
    font-size: 13px;
    padding: 6px 8px;
  }

  button[type="submit"],
  .btn-output {
    font-size: 15px;
    padding: 10px 16px;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.5rem;
    margin-bottom: 15px;
  }

  form {
    padding: 15px;
  }

  label {
    font-size: 13.5px;
  }

  input, select {
    font-size: 13px;
    padding: 8px;
  }

  .header-grid, .row-grid {
    grid-template-columns: repeat(2, 1fr);
    font-size: 13px;
  }

  .suck-grid .row {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .suck-grid label.label-left {
    width: auto;
    margin-bottom: 4px;
  }

  .suck-grid input,
  .suck-grid select {
    width: 100%;
    max-width: 100%;
  }

  button[type="submit"],
  .btn-output {
    width: 100%;
  }
}

@media (max-width: 400px) {
  h1 {
    font-size: 1.3rem;
  }

  label {
    font-size: 13px;
  }

  input, select {
    font-size: 12.5px;
    padding: 7px;
  }

  .header-grid, .row-grid {
    grid-template-columns: 1fr;
    font-size: 12.5px;
  }

  button[type="submit"],
  .btn-output {
    font-size: 14px;
    padding: 9px 12px;
  }
}