/* ===== RESET & BASE ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Light Theme Colors */
  --bg: #fcfcfc;
  --text: #1d1d1f;
  --text-light: #868686;
  --card: #ffffff;
  --border: #e5e5e5;
  --accent: #0066cc;
  --shadow: rgba(0, 0, 0, 0.05);
  --shadow-strong: rgba(0, 0, 0, 0.1);
  --radius: 16px;
  --transition: all 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
  --button-transition: all 0.2s cubic-bezier(0.4, 0.03, 0.03, 1); /* Snappier button feel */

  /* iOS-like Theme Toggle Colors */
  --toggle-bg: #f1f1f1;
  --toggle-border: #e0e0e0;
  --toggle-thumb: #ffffff;
  --toggle-shadow: 0 3px 8px rgba(0, 0, 0, 0.15);
  --toggle-icon-color: #ffa500; /* Sun color */
  --toggle-icon-color-dark: #f5f5f7; /* Moon color */


  --font-main: 'Poppins', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-arabic: 'Amiri Quran', serif; /* Updated to Amiri Quran */
  --font-light: 300;
  --font-regular: 400;
  --font-medium: 500;
  --font-semi: 600;

  /* Icon transition */
  --icon-transition: transform 0.3s cubic-bezier(0.4, 0.03, 0.03, 1), opacity 0.2s ease; /* iOS easing */
}

/* Dark Theme Colors */
[data-theme="dark"] {
  --bg: #000000;
  --text: #f5f5f7;
  --text-light: #aeaeb2; /* Slightly lighter for dark mode */
  --card: #1c1c1e;
  --border: #3a3a3c;
  --accent: #0a84ff;
  --shadow: rgba(0, 0, 0, 0.2);
  --shadow-strong: rgba(0, 0, 0, 0.3);

  /* Dark Mode Toggle Colors */
  --toggle-bg: #3a3a3c;
  --toggle-border: #545456;
  --toggle-thumb: #8e8e93;
  --toggle-shadow: 0 3px 8px rgba(0, 0, 0, 0.3);
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-main);
  line-height: 1.75;
  transition: var(--transition);
  padding-bottom: 80px;
}

/* ===== CONTAINER ===== */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* ===== HEADER ===== */
.header {
  text-align: center;
  padding: 1.5rem 1rem 1rem;
  /* No initial animation on the entire header anymore */
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 100%; /* Ensure it respects the container padding */
  margin: 0 auto;
}

.header h1 {
  font-size: 2.6rem;
  font-weight: var(--font-semi);
  color: var(--accent);
  letter-spacing: -0.02em;
  margin: 0; /* Remove default margin */
}

.header p {
  font-size: 1.1rem;
  color: var(--text-light);
  margin: 0.4rem 0 0 0; /* Adjust top margin */
  font-weight: var(--font-regular);
}

/* ===== THEME TOGGLE BUTTON (iOS Style) ===== */
.theme-toggle {
  background-color: var(--toggle-bg);
  border: 1px solid var(--toggle-border);
  border-radius: 30px;
  width: 51px;
  height: 31px;
  position: relative;
  display: flex;
  align-items: center;
  padding: 0 5px;
  cursor: pointer;
  box-shadow: var(--toggle-shadow);
  transition: var(--transition); /* Smooth background/border transition */
  flex-shrink: 0; /* Prevents button from shrinking */
  overflow: hidden; /* Ensures icons don't overflow during animation */
}

/* The thumb/switch */
.theme-toggle::before {
  content: '';
  position: absolute;
  width: 27px;
  height: 27px;
  border-radius: 50%;
  background-color: var(--toggle-thumb);
  top: 50%;
  left: 2px;
  transform: translateY(-50%);
  transition: transform 0.3s cubic-bezier(0.4, 0.03, 0.03, 1); /* iOS-like easing */
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Icon styles - Base for both icons */
.theme-toggle i {
  font-size: 14px;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  transition: var(--icon-transition); /* Smooth icon transition */
  opacity: 1;
}

/* Sun icon (left) - Visible by default in light mode */
.theme-toggle .fa-sun {
  color: var(--toggle-icon-color); /* Use specific sun color */
  left: 7px;
  opacity: 1;
  transform: translateY(-50%) scale(1);
}

/* Moon icon (right) - Hidden by default */
.theme-toggle .fa-moon {
  color: var(--toggle-icon-color-dark); /* Use specific moon color */
  right: 7px;
  opacity: 0;
  transform: translateY(-50%) scale(0.8);
}

/* ===== DARK MODE ACTIVE STATE ===== */
/* When body has dark theme, adjust toggle and icons */
[data-theme="dark"] .theme-toggle .fa-sun {
  opacity: 0;
  transform: translateY(-50%) scale(0.8);
}

[data-theme="dark"] .theme-toggle .fa-moon {
  opacity: 1;
  transform: translateY(-50%) scale(1);
}

/* Move thumb to the right in dark mode */
[data-theme="dark"] .theme-toggle::before {
  transform: translate(19px, -50%); /* Move thumb */
}


/* ===== PROGRESS BAR ===== */
.progress-bar {
  height: 3px; /* Slightly thicker */
  background: var(--accent);
  width: 0%;
  transition: width 0.1s linear; /* Keep linear for progress */
  border-radius: 2px; /* Slightly more rounded */
  position: sticky; /* Make it stick */
  top: 0; /* Stick to the top */
  z-index: 100; /* Ensure it's above content */
  box-shadow: 0 1px 2px var(--shadow); /* Subtle shadow */
}

/* ===== CONTENT ===== */
.content {
  display: flex;
  flex-direction: column;
  gap: 1.8rem; /* Increased gap */
}

.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 2rem; /* Increased padding */
  box-shadow: 0 8px 24px var(--shadow);
  border: 1px solid var(--border);
  opacity: 0;
  transform: translateY(20px);
  transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1), box-shadow 0.4s ease, opacity 0.6s ease; /* Apple-like easing */
  will-change: transform;
  overflow: hidden;
}

.card.visible {
  opacity: 1;
  transform: translateY(0);
}

.card:hover {
  box-shadow: 0 12px 32px var(--shadow-strong);
  transform: translateY(-4px);
}

/* Card Title */
.card h2 {
  font-size: 1.5rem; /* Slightly larger title */
  font-weight: var(--font-semi);
  color: var(--accent);
  margin-bottom: 1.2rem; /* Increased margin */
  position: relative;
  padding-left: 1.2rem; /* Adjusted for larger dot */
}

.card h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px; /* Larger dot */
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

/* --- BEAUTIFIED ARABIC TEXT BLOCK --- */
/* New class for structured Arabic/Translation display */
.arabic-text-block {
  margin: 1.2rem 0;
  padding: 1rem 1.2rem;
  border-radius: 10px;
  background-color: var(--bg); /* Subtle background */
  border-left: 3px solid var(--accent); /* Accent color bar */
  box-shadow: inset 0 1px 2px var(--shadow); /* Subtle inner shadow */
  transition: var(--transition);
}

.arabic-text-block:hover {
    box-shadow: inset 0 1px 3px var(--shadow-strong);
}

.arabic-text-block .arabic {
  font-family: var(--font-arabic);
  font-size: 1.6rem; /* Slightly larger */
  text-align: center;
  direction: rtl;
  margin: 0.8rem 0; /* Reduced margin */
  color: #34c759; /* Keep accent color */
  line-height: 2.4; /* Adjusted line height */
  letter-spacing: 0.4px; /* Adjusted letter spacing */
  font-weight: 700;
  white-space: pre-line; /* Honor newlines */
}

.arabic-text-block .translation {
  font-size: 0.98rem; /* Slightly larger */
  font-style: italic;
  color: var(--text-light);
  text-align: center;
  margin: 0.6rem 0 0 0; /* Adjusted margin */
  display: block; /* Ensure it's a block element */
}

/* --- END BEAUTIFIED ARABIC TEXT BLOCK --- */


/* English Content (General Paragraphs and Lists) */
.card p,
.card ul {
  font-size: 1.05rem; /* Slightly larger */
  color: var(--text);
  margin: 1rem 0; /* Increased margin */
  font-weight: var(--font-regular);
  line-height: 1.7; /* Slightly increased line height */
}

.card ul {
  padding-left: 1.8rem; /* Increased padding */
  margin: 1.2rem 0; /* Increased margin */
}

.card ul li {
  margin: 0.6rem 0; /* Increased margin */
  position: relative;
}

.card ul li::before {
  content: '•';
  color: var(--accent);
  position: absolute;
  left: -1.2rem; /* Adjusted for larger padding */
  font-size: 1.2rem; /* Larger bullet point */
}

/* Warning Box */
.warning {
  background: #fff4e5; /* Light theme warning */
  border-left: 4px solid #ff9500; /* Slightly thicker border */
  padding: 1.2rem 1.3rem; /* Increased padding */
  border-radius: 12px; /* More rounded corners */
  margin: 1.5rem 0; /* Increased margin */
  font-size: 1rem; /* Slightly larger */
  color: #d47c00;
  transition: var(--transition); /* Smooth color transition */
  box-shadow: 0 2px 6px var(--shadow); /* Subtle shadow */
}

[data-theme="dark"] .warning {
  background: #442b00; /* Dark theme warning */
  color: #ffb14e;
  border-left-color: #ffb14e;
}

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px; /* Slightly larger */
  height: 44px; /* Slightly larger */
  background: var(--card);
  color: var(--accent);
  border: 1px solid var(--border);
  border-radius: 50%;
  /* Remove font-size as it's not text anymore */
  display: flex; /* Use flexbox for centering */
  align-items: center; /* Center vertically */
  justify-content: center; /* Center horizontally */
  cursor: pointer;
  box-shadow: 0 4px 12px var(--shadow);
  transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1); /* Apple-like easing */
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  padding: 0; /* Ensure no padding interferes */
}

/* Style the Font Awesome icon inside the button */
.back-to-top i {
  font-size: 20px; /* Size the icon */
  transition: var(--icon-transition); /* Smooth icon transition */
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 16px var(--shadow-strong);
}

.back-to-top:active {
    transform: translateY(0) scale(0.96); /* Subtle press effect */
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ===== FOOTER ===== */
.footer {
  text-align: center;
  padding: 2.5rem 1.8rem 3.5rem; /* Increased padding */
  color: var(--text-light);
  font-size: 1rem; /* Slightly larger */
  line-height: 1.7; /* Increased line height */
  border-top: 1px solid var(--border);
  margin-top: 2.5rem; /* Increased margin */
  transition: var(--transition); /* Smooth color transition */
}

.footer a {
  color: var(--accent);
  text-decoration: none;
  font-weight: var(--font-medium);
  transition: var(--transition); /* Smooth link transition */
}

.footer a:hover {
  text-decoration: underline;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .container {
    padding: 16px;
  }

  .header-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.2rem; /* Increased gap */
  }

  .header h1 {
    font-size: 2.3rem; /* Adjusted size */
  }

  .card {
    padding: 1.7rem; /* Adjusted padding */
  }

  .card h2 {
    font-size: 1.4rem; /* Adjusted size */
  }

  .arabic-text-block .arabic {
    font-size: 1.4rem; /* Adjust for smaller screens */
  }
  .arabic-text-block .translation {
    font-size: 0.9rem; /* Adjust for smaller screens */
  }

  .content {
    gap: 1.5rem; /* Adjusted gap */
  }

  .footer {
    padding: 2rem 1.2rem 3rem; /* Adjusted padding */
    font-size: 0.95rem; /* Adjusted size */
  }

  .back-to-top {
    right: 16px;
    bottom: 16px;
    width: 40px; /* Adjusted size */
    height: 40px; /* Adjusted size */
  }
  .back-to-top i {
    font-size: 18px; /* Adjusted icon size */
  }
}