/* --- Layout & general styles --- */
.vdr-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 10px 15px;
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
}

.vdr-title {
  text-align: center;
  font-size: 1.6em;
  margin: 0.5em 0 1em 0;
  color: #1f2937;
}

/* --- Canvas --- */
.vdr-canvas-wrap {
  width: 100%;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  overflow: hidden;
  margin-bottom: 20px;
}

#vdr-canvas {
  display: block;
  width: 100%;
  height: auto; /* keeps true ratio */
  cursor: crosshair;
}

/* --- Form elements --- */
.vdr-form label {
  display: block;
  margin: 12px 0 6px;
  font-weight: 500;
  color: #374151;
}
.vdr-form input,
.vdr-form textarea,
.vdr-form select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  box-sizing: border-box;
  font-size: 0.95em;
  font-family: inherit;
}
.vdr-form textarea {
  resize: vertical;
}

.vdr-tyres {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(130px,1fr));
  gap: 8px 12px;
  margin-top: 10px;
}

/* --- Signature --- */
.vdr-signature {
  margin-top: 20px;
}
.vdr-sign-wrap {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 10px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}
#vdr-sign {
  display: block;
  width: 100%;
  background: #f9fafb;
  border-radius: 6px;
  cursor: crosshair;
}
.vdr-sign-tools {
  margin-top: 8px;
  text-align: right;
}

/* --- Buttons --- */
.vdr-btn {
  appearance: none;
  border: 1px solid #d1d5db;
  background: #f3f4f6;
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  font-size: 0.95em;
}
.vdr-btn:hover { background: #e5e7eb; transform: translateY(-1px); }
.vdr-primary { background: #2563eb; color: #fff; border-color: #2563eb; }
.vdr-success { background: #16a34a; color: #fff; border-color: #16a34a; }
.vdr-danger  { background: #dc2626; color: #fff; border-color: #dc2626; }

.vdr-submit-buttons {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
  margin-top: 20px;
}

.vdr-status {
  flex: 1;
  color: #2563eb;
  font-weight: 600;
  font-size: 0.9em;
}

/* --- Modal overlay & dialog --- */
.vdr-modal {
  display: none;
  align-items: center;
  justify-content: center;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 999999;
}

.vdr-modal-dialog {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.25);
  padding: 20px 25px;
  max-width: 420px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  color: #111;
  font-family: inherit;
  animation: vdrModalFade 0.2s ease-out;
}

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

.vdr-modal-dialog h3 {
  margin-top: 0;
  border-bottom: 1px solid #e5e7eb;
  padding-bottom: 8px;
  font-size: 1.2em;
  color: #1f2937;
}

.vdr-modal-dialog label {
  display: block;
  margin-top: 12px;
  font-weight: 500;
  font-size: 0.9em;
}

.vdr-modal-dialog input[type="text"],
.vdr-modal-dialog input[type="number"],
.vdr-modal-dialog select,
.vdr-modal-dialog input[type="file"] {
  width: 100%;
  padding: 8px 10px;
  margin-top: 4px;
  border: 1px solid #ccc;
  border-radius: 6px;
  box-sizing: border-box;
  font-size: 0.95em;
}

.vdr-modal-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  margin-top: 18px;
  gap: 10px;
}

/* --- Responsive tweaks for mobile --- */
@media (max-width: 600px) {
  .vdr-modal-dialog {
    width: 94%;
    padding: 16px 18px;
    max-height: 85vh;
    border-radius: 8px;
  }
  .vdr-modal-dialog h3 {
    font-size: 1.1em;
  }
  .vdr-btn {
    padding: 7px 12px;
    font-size: 0.9em;
  }
  .vdr-submit-buttons {
    flex-direction: column;
    align-items: stretch;
  }
  .vdr-status {
    margin-top: 8px;
  }
}