/* Basis Reset & Kleuren */
:root {
  --primary-color: #4f46e5;
  --primary-hover: #4338ca;
  --text-dark: #1f2937;
  --text-light: #6b7280;
  --bg-light: #f3f4f6;
  --white: #ffffff;
  --shadow:
    0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

* {
  box-sizing: border-box;
}

body {
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  background-color: var(--bg-light);
  color: var(--text-dark);
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}

/* Header */
header {
  background-color: rgb(41, 41, 41);
  padding: 40px 0;
  text-align: center;
  border-bottom: 1px solid #e5e7eb;
}

header h1 {
  margin: 0;
  font-size: 2.5rem;
  color: var(--primary-color);
}

header p {
  color: var(--text-light);
  font-size: 1.1rem;
  margin-top: 10px;
}

/* Formulier Sectie */
.form-section {
  background: var(--white);
  padding: 30px;
  border-radius: var(--border-radius, 12px);
  box-shadow: var(--shadow);
}

.input-group {
  margin-bottom: 20px;
}

.input-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
}

input[type="file"],
select {
  width: 100%;
  padding: 12px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  background-color: #fafafa;
  font-size: 1rem;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 25px;
  font-size: 0.9rem;
  color: var(--text-light);
}

.checkbox-group input {
  margin-top: 4px;
}

/* Buttons */
.btn-submit {
  width: 100%;
  padding: 15px;
  background-color: var(--primary-color);
  color: var(--white);
  border: none;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s ease;
}

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

.btn-secondary {
  margin-top: 20px;
  padding: 10px 20px;
  background: #e5e7eb;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

/* Laad-sectie & Spinner */
#laden,
#resultaat {
  display: none;
  text-align: center;
  padding: 40px;
  background: var(--white);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.spinner {
  width: 50px;
  height: 50px;
  border: 5px solid #f3f3f3;
  border-top: 5px solid var(--primary-color);
  border-radius: 50%;
  margin: 0 auto 20px;
  animation: spin 1s linear infinite;
}

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

/* Resultaat */
#resultaat h2 {
  color: var(--primary-color);
  margin-bottom: 20px;
}

.image-wrapper {
  max-width: 100%;
  margin: 0 auto;
}

#flyerAfbeelding {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}

/* Knoppen Groep Layout */
.button-group {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-top: 25px;
}

@media (min-width: 600px) {
  .button-group {
    flex-direction: row;
    justify-content: center;
  }
  .button-group .btn-secondary,
  .button-group #downloadKnop {
    margin-top: 0;
    flex: 0 1 auto;
  }
}

a.btn-submit {
  display: inline-block;
  text-decoration: none;
  font-weight: 600;
}

/* Footer */
footer {
  text-align: center;
  padding: 40px 0;
  color: var(--text-light);
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 600px) {
  header h1 {
    font-size: 1.8rem;
  }
  .form-section {
    padding: 20px;
  }
}