@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

/* --- CSS Variables for Light & Dark Mode --- */
:root {
  /* Light Mode Colors & Background */
  --bg-color: #ebedee;
  --bg-gradient: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
  --card-bg: rgba(255, 255, 255, 0.7);
  --card-border: rgba(255, 255, 255, 0.5);
  --text-main: #333333;
  --text-muted: #666666;
  --primary: #ec9a00;
  --primary-hover: #c47d04;
  --btn-bg: rgba(255, 255, 255, 0.9);
  --btn-border: rgba(236, 154, 0, 0.3);
  --btn-hover: rgba(236, 154, 0, 0.1);
  --shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
  /* Dark Mode Colors & Background */
  --bg-color: #121212;
  --bg-gradient: linear-gradient(-45deg, #141e30, #243b55, #4ca1af, #2c3e50);
  --card-bg: rgba(30, 30, 30, 0.6);
  --card-border: rgba(255, 255, 255, 0.1);
  --text-main: #f5f5f5;
  --text-muted: #b0b0b0;
  --btn-bg: rgba(40, 40, 40, 0.9);
  --btn-border: rgba(255, 255, 255, 0.1);
  --btn-hover: rgba(236, 154, 0, 0.2);
  --shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* --- Animated 3D-like Background --- */
body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: var(--bg-gradient);
  background-size: 400% 400%;
  animation: gradientBG 15s ease infinite;
  color: var(--text-main);
  padding: 20px;
}

@keyframes gradientBG {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Theme Toggle Button */
.theme-toggle {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text-main);
  padding: 10px 15px;
  border-radius: 30px;
  cursor: pointer;
  font-weight: 600;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  z-index: 100;
}

.theme-toggle:hover {
  transform: translateY(-2px);
}

.active { display: block; }
.hidden { display: none !important; }

/* --- 3D Glassmorphism Cards --- */
.start-screen, .questions-container, .result-screen {
  background: var(--card-bg);
  backdrop-filter: blur(15px); /* Glass effect */
  -webkit-backdrop-filter: blur(15px);
  border: 1px solid var(--card-border);
  padding: 40px;
  border-radius: 20px;
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 500px;
  text-align: center;
  /* 3D Float Animation */
  transform: translateY(0);
  animation: floatIn 0.6s cubic-bezier(0.23, 1, 0.32, 1) forwards;
}

@keyframes floatIn {
  from { opacity: 0; transform: translateY(30px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

h1 {
  color: var(--primary);
  margin-bottom: 20px;
  font-weight: 700;
  text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

p {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 25px;
}

/* Main Buttons (Start & Restart) */
#start-btn, #restart-btn {
  padding: 12px 30px;
  font-size: 16px;
  color: #fff;
  background-color: var(--primary);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(236, 154, 0, 0.4);
  transition: all 0.3s ease;
}

#start-btn:hover, #restart-btn:hover {
  background-color: var(--primary-hover);
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 6px 20px rgba(236, 154, 0, 0.6);
}

/* --- Question Info --- */
.question-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 25px;
  border-bottom: 2px solid var(--btn-border);
  padding-bottom: 15px;
}

.question-info p {
  margin-bottom: 0;
  font-weight: 600;
  color: var(--text-main);
}

.question-info span { color: var(--primary); }

#question {
  font-size: 1.3rem;
  color: var(--text-main);
  margin-bottom: 30px;
  line-height: 1.5;
}

/* --- Answer Buttons with 3D Hover --- */
.answer-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.answer-btns {
  padding: 15px 20px;
  font-size: 16px;
  color: var(--text-main);
  background-color: var(--btn-bg);
  border: 2px solid var(--btn-border);
  border-radius: 12px;
  cursor: pointer;
  text-align: left;
  font-weight: 500;
  box-shadow: 0 4px 6px rgba(0,0,0,0.05);
  transition: all 0.3s ease;
}

.answer-btns:hover:not(:disabled) {
  background-color: var(--btn-hover);
  transform: translateX(5px); /* Slide effect */
  border-color: var(--primary);
  box-shadow: 0 6px 12px rgba(0,0,0,0.1);
}

.answer-btns.correct {
  background-color: #4caf50 !important;
  color: #fff !important;
  border-color: #4caf50 !important;
  box-shadow: 0 0 15px rgba(76, 175, 80, 0.5);
  transform: scale(1.02);
}

.answer-btns.incorrect {
  background-color: #f44336 !important;
  color: #fff !important;
  border-color: #f44336 !important;
  animation: shake 0.4s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  50% { transform: translateX(5px); }
  75% { transform: translateX(-5px); }
}

.answer-btns:disabled {
  cursor: not-allowed;
}

/* --- Progress Bar --- */
/* Progress Bar-ka */
#progress {
  width: 100%;
  height: 12px;
  background-color: #e0e0e0; /* Midabka dambe */
  border-radius: 10px;
  margin-top: 40px; 
  position: relative;
}

#progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #ff8c00, #ff4500);
  width: 0%; /* Wuxuu ka bilaabanayaa 0 */
  border-radius: 10px;
  position: relative;
  transition: width 0.5s ease;
}

/* Dabka (The Flame) */
.flame {
  position: absolute;
  right: -10px;
  top: -25px;
  width: 20px;
  height: 25px;
  background: radial-gradient(circle at bottom, #fff, #ffea00 20%, #ff8c00 50%, #ff4500 100%);
  border-radius: 50% 50% 20% 20% / 60% 60% 40% 40%;
  box-shadow: 0 0 15px #ff4500;
  animation: flicker 0.1s infinite alternate;
  transform-origin: bottom center;
  display: none; /* Wuu qarsan yahay ilaa su'aashu bilowdo */
}

@keyframes flicker {
  0% { transform: rotate(-2deg) scaleX(0.9); }
  100% { transform: rotate(2deg) scaleX(1.1); }
}

/* --- Result Screen --- */
.result-info {
  background-color: var(--btn-hover);
  padding: 25px;
  border-radius: 15px;
  margin-bottom: 25px;
  border: 1px solid var(--btn-border);
}

.final-msg {
  font-size: 1.3rem;
  color: var(--primary);
  font-weight: bold;
  margin-top: 15px;
}

/* --- Responsive Design (Mobile Friendly) --- */
@media (max-width: 600px) {
  .start-screen, .questions-container, .result-screen {
    padding: 25px 20px;
    border-radius: 15px;
  }
  
  h1 { font-size: 1.8rem; }
  
  #question { font-size: 1.1rem; }
  
  .answer-btns {
    padding: 12px 15px;
    font-size: 14px;
  }
  
  .theme-toggle {
    top: 10px;
    right: 10px;
    font-size: 14px;
    padding: 8px 12px;
  }
}