:root {
  --bg-color: #ffffff;
  --text-color: #111111;
  --card-bg: #f0f0f0;
  --primary: #00cc99;
  --input-bg: #f9f9f9;
  --button-text: #000;
  --shadow: rgba(0, 0, 0, 0.1);
}

body.dark {
  --bg-color: #0e0e0e;
  --text-color: #e0e0e0;
  --card-bg: #1c1c1c;
  --primary: #00ffcc;
  --input-bg: #202020;
  --button-text: #000;
  --shadow: rgba(0, 255, 204, 0.1);
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: var(--bg-color);
  color: var(--text-color);
  margin: 0;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: background 0.3s ease, color 0.3s ease;
}

#header {
  background: var(--card-bg);
  width: 100%;
  padding: 20px;
  margin-bottom: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 10px var(--shadow);
}

h1 {
  color: var(--primary);
  font-size: 2rem;
  margin: 0;
  letter-spacing: 1px;
}

/* Form Controls */
input, button, select {
  padding: 12px;
  margin: 8px 5px;
  font-size: 15px;
  border-radius: 6px;
  border: none;
  outline: none;
  transition: 0.3s;
}

input, select {
  background-color: var(--input-bg);
  color: var(--primary);
  border: 1px solid #333;
  width: 170px;
}

input::placeholder {
  color: #777;
}

button {
  background-color: var(--primary);
  color: var(--button-text);
  font-weight: bold;
  cursor: pointer;
  min-width: 100px;
}

button:hover {
  background-color: #00ddb3;
  transform: scale(1.05);
}

/* Subject Cards */
.subject {
  background-color: var(--card-bg);
  padding: 20px;
  margin: 15px 0;
  border-radius: 10px;
  width: 100%;
  max-width: 340px;
  box-shadow: 0 4px 8px var(--shadow);
  transition: 0.3s ease;
}

.subject:hover {
  transform: scale(1.02);
}

/* Output Box */
.output {
  margin-top: 20px;
  background-color: var(--card-bg);
  padding: 20px;
  border-radius: 10px;
  width: 100%;
  max-width: 340px;
  text-align: center;
  box-shadow: 0 0 10px var(--shadow);
}

/* Dropdown Sections */
#subjectInputs, #overallInputs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

/* Chart Container */
#canva-box {
  width: 100%;
  max-width: 900px;
  margin: 40px auto 20px;
}

#barChart {
  width: 100% !important;
  height: auto !important;
  aspect-ratio: 2 / 1;
  background-color: var(--card-bg);
  padding: 10px;
  border-radius: 12px;
}

/* Theme toggle switch styles */
.theme-toggle {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
  gap: 10px;
}

.switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0;
  right: 0; bottom: 0;
  background-color: #ccc;
  transition: .4s;
  border-radius: 24px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--primary);
}

input:checked + .slider:before {
  transform: translateX(26px);
}

/* JSON Buttons */
#json-actions {
  margin: 20px 0;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

/* Responsive */
@media (max-width: 768px) {
  #subjectInputs, #overallInputs {
    flex-direction: column;
  }

  input, select, button {
    width: 90%;
    max-width: 300px;
  }

  .subject, .output {
    width: 90%;
  }
}
.edit-fields input {
  display: block;
  width: 100%;
  margin: 6px 0;
  padding: 8px;
  font-size: 14px;
  border-radius: 5px;
  background: var(--input-bg);
  color: var(--text-color);
  border: 1px solid #555;
}

.edit-buttons {
  display: flex;
  gap: 10px;
  margin-top: 10px;
  justify-content: center;
}

.edit-buttons button {
  padding: 8px 14px;
  font-size: 14px;
}