/* Reset */
* { margin:0; padding:0; box-sizing:border-box; font-family:"Inter", "Segoe UI", Arial, sans-serif; }

/* Body backgrounds */
body.dark {
  background: linear-gradient(135deg, #0f111a, #1c1f2b);
  color: #eee;
}
body.light {
  background: linear-gradient(135deg, #f5f7fa, #dfe4ea);
  color: #222;
}

/* Layout */
body {
  display:flex; justify-content:center; align-items:center; height:100vh; padding:15px;
  position: relative;
}

/* Theme toggle (plain) */
.theme-toggle {
  position: absolute;
  top: 15px;
  right: 20px;
}
.theme-toggle button {
  font-size: 22px;
  background: none;
  border: none;
  box-shadow: none;
  cursor: pointer;
  padding: 0;
  line-height: 1;
  transition: transform 0.2s ease;
}
.theme-toggle button:hover {
  transform: scale(1.2);
}

/* Container (quiz card) */
.container {
  background: #1b1f2c;
  padding: 40px 30px;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
  width: 100%;
  max-width: 480px;
  text-align: center;
  animation: fadeIn 0.5s ease;
}
body.light .container {
  background: #fff;
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

/* Headings */
h1 { font-family: 'Poppins', sans-serif; margin-bottom: 20px; }
h2 { font-family: 'Poppins', sans-serif; margin-bottom: 15px; }

/* Sub text */
p { margin-bottom: 15px; color: inherit; line-height:1.5; font-weight:500; }

/* Buttons */
button:not(.theme-toggle button) {
  appearance:none; outline:none; border:none; cursor:pointer;
  font-size:15px; font-weight:500; padding:12px 22px; border-radius:12px;
  transition: all 0.25s ease; box-shadow: 0 3px 6px rgba(0,0,0,0.2);
  background: linear-gradient(135deg, #007BFF, #0056b3); color:#fff;
}
button:not(.theme-toggle button):hover { transform: translateY(-2px); box-shadow:0 5px 12px rgba(0,0,0,0.3); }
button:not(.theme-toggle button):active { transform: translateY(0); box-shadow:0 2px 5px rgba(0,0,0,0.2); }

/* Input & Select */
input, select {
  padding:12px; font-size:15px; border-radius:10px; border:1px solid #444;
  background:#2a2f44; color:#eee; width:80%; margin:10px 0;
  transition: all 0.3s ease;
}
body.light input, body.light select {
  background:#f1f3f6; color:#222; border:1px solid #ccc;
}
input:focus, select:focus { border-color:#007BFF; outline:none; box-shadow:0 0 8px rgba(0,123,255,0.3); }

/* Quiz question */
#question { margin-bottom:20px; font-size:18px; font-weight:600; color:inherit; }

/* Options */
#options { display:flex; flex-direction:column; gap:12px; margin:20px 0; }
#options button { background:#2a2f44; color:#eee; border:1px solid #555; text-align:left; transition: all 0.3s ease; opacity:0; animation: fadeIn 0.3s forwards; }
#options button:hover:not(:disabled) { background:#007BFF; color:#fff; transform:translateX(6px); }
#options button:disabled { cursor:not-allowed; opacity:0.85; }
body.light #options button { background:#f1f3f6; color:#222; border:1px solid #bbb; }

/* Next button */
#nextBtn { background: linear-gradient(135deg, #28a745, #218838); margin-top:15px; display:none; }
#nextBtn:hover { transform: scale(1.05); }

/* Progress bar */
.progress-bar { width: 100%; height: 8px; background: rgba(255,255,255,0.2); border-radius: 4px; margin-bottom:15px; }
#progress { height: 100%; width:0%; background:#28a745; border-radius: 4px; transition: width 0.3s ease; }

/* Result */
#result p { font-size:16px; margin:5px 0; }
#score { font-size:18px; }
#message { font-size:16px; font-weight:bold; color:#007BFF; }
#personalNote { font-size:15px; }

body.light .footer-text { color: rgba(0,0,0,0.5); }

/* Hidden */
.hidden { display:none; }

/* Animations */
@keyframes fadeIn {
  from { opacity:0; transform: translateY(10px); }
  to { opacity:1; transform: translateY(0); }
}

/* Responsive */
@media (max-width:500px){
  .container { padding:30px 20px; width:90%; }
  input, select { width:90%; }
}

.footer-bar {
  margin-top: 25px;
  padding: 8px 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
}

.footer-bar p {
  margin: 0;
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.6);
}

body.light .footer-bar {
  border-top: 1px solid rgba(0,0,0,0.1);
}

body.light .footer-bar p {
  color: rgba(0,0,0,0.5);
}