/* FULL RESET TO AVOID THEME CONFLICT */
.irt-root {
  all: initial;
  font-family: 'Nunito Sans', sans-serif;
}

.irt-root * {
  box-sizing: border-box;
  font-family: inherit;
}

/* CARD */
.irt-card {
  max-width: 720px;
  margin: 30px auto;
  padding: 25px;
  background: #ffffff;
  border-radius: 14px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.06);
  text-align: center;
}

/* TEXT */
.irt-card h1 {
  font-size: 26px;
  margin-bottom: 10px;
}

.irt-desc {
  color: #666;
  margin-bottom: 20px;
}

/* UPLOAD */
.irt-upload {
  display: block;
  padding: 30px;
  border: 2px dashed #3b82f6;
  border-radius: 10px;
  color: #2563eb;
  cursor: pointer;
  margin-bottom: 20px;
}

.irt-upload input {
  display: none;
}

/* SECTIONS */
.irt-section {
  display: none;
  margin-top: 20px;
}

.irt-section img,
#irtCanvas {
  display: block;
  max-width: 100%;
  margin: 10px auto;
  border-radius: 8px;
}

/* BUTTONS */
.irt-buttons {
  margin-top: 15px;
}

.irt-buttons button {
  width: 100%;
  padding: 12px;
  margin: 6px 0;
  border: 1px solid #2563eb;
  background: #ffffff;
  color: #2563eb;
  border-radius: 8px;
  cursor: pointer;
}

.irt-buttons button:hover {
  background: #2563eb;
  color: #ffffff;
}

/* DOWNLOAD */
.irt-download {
  display: inline-block;
  margin-top: 15px;
  padding: 12px 24px;
  background: #16a34a;
  color: #ffffff;
  text-decoration: none;
  border-radius: 8px;
}

/* RESPONSIVE */
@media (min-width: 640px) {
  .irt-buttons button {
    width: auto;
    margin: 5px;
  }
}