:root {
      --bg: #0f172a;
      --text: #ffffff;
      --card-bg: #1e293b;
      --btn-bg: #3b82f6;
      --btn-hover: #2563eb;
    }
    body.light-mode {
  --bg: #ffffff; /* biru */
  --text: #ffffff;
  --card-bg: #3b82f6; /* biru terang untuk kartu */
  --btn-bg: #1e40af;
  --btn-hover: #1e3a8a;
}


    *, *::before, *::after {
      box-sizing: border-box;
    }
    body {
      margin: 0;
      font-family: 'Segoe UI', sans-serif;
      background: var(--bg);
      color: var(--text);
    }
    nav {
      position: sticky;
      top: 0;
      z-index: 100;
      background: var(--card-bg);
      padding: 0.75rem 1rem;
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
    }
    .top-bar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
    }
    .logo {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 1.1rem;
      font-weight: bold;
    }
    .logo img {
      height: 28px;
      width: 28px;
    }
    .mode-btn {
      background: none;
      border: none;
      color: var(--text);
      font-size: 1.2rem;
      cursor: pointer;
    }
    .search-container {
      display: flex;
      width: 100%;
      gap: 0.5rem;
    }
    .search-container input {
      flex: 1;
      padding: 0.5rem 0.75rem;
      border-radius: 6px;
      border: none;
      font-size: 1rem;
    }
    .search-container button {
      padding: 0.5rem 0.75rem;
      border: none;
      border-radius: 6px;
      background: var(--btn-bg);
      color: #fff;
      font-size: 1rem;
      cursor: pointer;
      transition: background 0.2s;
    }
    .search-container button:hover {
      background: var(--btn-hover);
    }

    .cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  padding: 1rem;
}

.card {
  background: var(--card-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  background: #fff;
  display: block;
}

    .card-content {
      padding: 1rem;
    }
    .card-content h3 {
      margin: 0 0 0.5rem;
    }
    .card-content p {
      margin: 0 0 0.75rem;
      color: #cbd5e1;
      font-size: 0.95rem;
    }

    .card-actions {
      display: flex;
      flex-direction: column;
      gap: 0.5rem;
    }

    .btn {
      display: inline-block;
      padding: 0.5rem 0.75rem;
      background: var(--btn-bg);
      color: #fff;
      border-radius: 6px;
      text-decoration: none;
      transition: background 0.2s;
      text-align: center;
    }
    .btn:hover {
      background: var(--btn-hover);
    }

    .btn.secondary {
      background: #10b981; /* Hijau untuk tombol beli */
    }
    .btn.secondary:hover {
      background: #059669;
    }

    footer {
      text-align: center;
      padding: 1.5rem;
      background: var(--card-bg);
      color: #ccc;
      font-size: 0.9rem;
    }

    .popup-form form label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  font-size: 0.95rem;
}

.popup-form form input,
.popup-form form select {
  display: block;
  width: 100%;
  max-width: 100%;
  padding: 0.5rem 0.75rem;
  margin-bottom: 1rem;
  border-radius: 6px;
  border: 1px solid #94a3b8;
  background-color: #f8fafc;
  color: #0f172a;
  font-size: 0.95rem;
}

.popup-form form input[readonly] {
  background-color: #e2e8f0;
  color: #334155;
  cursor: not-allowed;
}

.popup-form h2 {
  margin-top: 0;
  margin-bottom: 1rem;
  font-size: 1.25rem;
  color: #fff;
  text-align: center;
}

.popup-form form .btn.secondary {
  background-color: var(--btn-bg);
  color: #fff;
  border: none;
  padding: 0.6rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: 6px;
  transition: background 0.2s ease;
}

.popup-form form .btn.secondary:hover {
  background-color: var(--btn-hover);
}
.animated-text {
  display: inline-block;
  background: linear-gradient(
    270deg,
    #3b82f6,
    #9333ea,
    #f59e0b,
    #10b981,
    #ef4444,
    #3b82f6
  );
  background-size: 600% 100%;
  color: transparent;
  background-clip: text;
  -webkit-background-clip: text;
  animation: gradientShift 4s linear infinite, blink 1s step-end infinite;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  100% { background-position: 100% 50%; }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}