:root {
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --bg-color: #f3f4f6;
  --bg-image: url('disdik.png'); /* Ganti jika perlu */
  --text-main: #1f2937;
  --border-color: #d1d5db;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  background-image: var(--bg-image);
  background-size: cover;
  background-position: center center;
  background-attachment: fixed;
  background-repeat: no-repeat;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.main-container {
  width: 100%;
  max-width: 500px;
  padding: 20px;
  box-sizing: border-box;
}

.card {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
  padding: 30px;
}

.header {
  text-align: center;
  margin-bottom: 25px;
}

.app-logo {
  max-width: 200px;
  height: auto;
}

.subtitle {
  font-size: 13px; 
  margin-top: 5px; 
  color: #6b7280;
}

.btn-guide {
  display: inline-block; 
  margin-top: 15px; 
  font-size: 15px; 
  color: #1d4ed8; 
  text-decoration: none; 
  font-weight: 700; 
  background-color: #eff6ff; 
  padding: 10px 24px; 
  border-radius: 25px; 
  border: 2px solid #bfdbfe; 
  transition: all 0.2s ease; 
  box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.1);
}

.info-banner {
  background-color: #fffbeb;
  border-left: 4px solid #f59e0b;
  padding: 12px 15px;
  border-radius: 6px;
  font-size: 13px;
  color: #92400e;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.form-group {
  margin-bottom: 15px;
}

.flex-row {
  display: flex; 
  gap: 15px; 
  margin-bottom: 15px;
}

.half-width {
  flex: 1; 
  margin-bottom: 0;
}

label {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
}

.required {
  color: red;
}

input[type="text"], input[type="number"], input[type="email"], select, input[type="file"] {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 16px;
  box-sizing: border-box;
  font-family: inherit;
  transition: border-color 0.2s;
  background-color: white;
}

input[type="file"] {
  padding: 8px;
  font-size: 14px;
}

input:focus, select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

input[readonly] {
  background-color: #f3f4f6;
  color: #6b7280;
}

.btn-primary {
  width: 100%; 
  padding: 14px 20px; 
  font-size: 16px; 
  font-weight: bold; 
  border-radius: 8px;
  background-color: var(--primary-color);
  color: white;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s;
  display: flex;
  justify-content: center;
  align-items: center;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
}

.btn-primary:disabled {
  background-color: #93c5fd;
  cursor: not-allowed;
}

.btn-cancel {
  width: 100%;
  padding: 12px;
  background-color: transparent;
  color: #4b5563;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-cancel:hover {
  background-color: #f3f4f6;
  color: #111827;
}

.hasil-heading {
  font-size: 15px; 
  margin-bottom: 12px; 
  color: #374151; 
  text-align: left;
}

.hasil-item {
  text-align: left;
  padding: 15px;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  margin-bottom: 12px;
  background-color: #f9fafb;
}

.hasil-title {
  font-weight: 600; 
  font-size: 15px; 
  color: #111827; 
  margin-bottom: 6px;
}

.hasil-meta {
  font-size: 13px; 
  color: #4b5563; 
  margin-bottom: 14px;
}

.btn-download {
  display: inline-block; 
  padding: 10px 18px; 
  background-color: var(--primary-color); 
  color: white; 
  text-decoration: none; 
  border-radius: 6px; 
  font-weight: 600; 
  font-size: 14px; 
  text-align: center;
}

.alert-info {
  background-color: #eff6ff;
  border: 1px solid #bfdbfe;
  color: #1e3a8a;
  padding: 15px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 20px;
  line-height: 1.5;
}

.footer {
  margin-top: 30px;
  text-align: center;
}

.footer-divider {
  height: 1px;
  background-color: #e5e7eb;
  margin-bottom: 15px;
}

.agency {
  font-size: 14px;
  font-weight: 700;
  color: #374151;
  margin-bottom: 8px;
}

.developer {
  font-size: 12px;
  color: #6b7280;
  line-height: 1.6;
}

.loader {
  border: 3px solid rgba(255,255,255,0.3);
  border-top: 3px solid white;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  animation: spin 1s linear infinite;
  display: none;
  margin-left: 10px;
}

@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

/* =========================================
   TAMBAHAN STYLING UNTUK PANDUAN PENGGUNA 
   ========================================= */
.guide-content {
  color: var(--text-main);
  font-size: 14px;
  line-height: 1.6;
}

.guide-content h3 {
  font-size: 15px;
  color: var(--primary-color);
  margin-top: 25px;
  margin-bottom: 10px;
  border-bottom: 2px solid #eff6ff;
  padding-bottom: 8px;
}

.guide-content p {
  margin-bottom: 12px;
}

.guide-content ul, .guide-content ol {
  padding-left: 20px;
  margin-bottom: 15px;
}

.guide-content li {
  margin-bottom: 8px;
}