/* Import Google Fonts for English and Bangla */
@import url('https://fonts.googleapis.com/css2?family=Hind+Siliguri:wght@400;500;600;700&family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Dark Theme Variables (Default) */
  --bg-main: #0b0f19;
  --bg-card: rgba(22, 28, 45, 0.65);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --border-color: rgba(255, 255, 255, 0.08);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --primary: #6366f1;
  --primary-glow: rgba(99, 102, 241, 0.15);
  --primary-hover: #4f46e5;
  --accent: #14b8a6;
  --accent-glow: rgba(20, 184, 166, 0.15);
  --danger: #ef4444;
  --success: #22c55e;
  --glass-blur: blur(16px);
  --shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-en: 'Outfit', sans-serif;
  --font-bn: 'Hind Siliguri', sans-serif;
}

body.light-theme {
  /* Light Theme Variables */
  --bg-main: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.8);
  --bg-card-hover: rgba(255, 255, 255, 0.95);
  --border-color: rgba(0, 0, 0, 0.06);
  --text-main: #0f172a;
  --text-muted: #64748b;
  --primary: #4f46e5;
  --primary-glow: rgba(79, 70, 229, 0.1);
  --primary-hover: #4338ca;
  --accent: #0d9488;
  --accent-glow: rgba(13, 148, 136, 0.1);
  --shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.08);
}

/* Reset & Global Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-bn), var(--font-en);
  background-color: var(--bg-main);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
  line-height: 1.6;
}

/* Subtle Animated Background Elements for Premium Look */
.bg-glow-1, .bg-glow-2 {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  filter: blur(120px);
  z-index: -1;
  opacity: 0.4;
  pointer-events: none;
}
.bg-glow-1 {
  background-color: var(--primary);
  top: 10%;
  left: -100px;
  animation: float-slow 15s infinite alternate;
}
.bg-glow-2 {
  background-color: var(--accent);
  bottom: 20%;
  right: -100px;
  animation: float-slow-reverse 18s infinite alternate;
}

@keyframes float-slow {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(50px, 30px) scale(1.1); }
}
@keyframes float-slow-reverse {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-40px, -50px) scale(1.15); }
}

/* Header & Navigation Bar */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(11, 15, 25, 0.8);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}
body.light-theme header {
  background-color: rgba(241, 245, 249, 0.8);
}

.nav-container {
  max-width: 1350px;
  width: 100%;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}
.logo-icon {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.3rem;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}
.logo-text {
  font-family: var(--font-bn);
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--text-main);
  background: linear-gradient(135deg, var(--text-main), var(--text-muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-menu {
  display: flex;
  gap: 0.6rem; /* Tightened gap for horizontal spacing */
  list-style: none;
  align-items: center;
}
.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.88rem; /* Slightly smaller font */
  padding: 0.4rem 0.6rem; /* Tighter padding */
  border-radius: 8px;
  transition: var(--transition);
  white-space: nowrap; /* Prevent any word wrapping */
}
.nav-link:hover, .nav-link.active {
  color: var(--text-main);
  background-color: var(--border-color);
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

/* Base Button Styles */
.btn {
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  border: none;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
  font-size: 0.95rem;
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: #fff;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}
.btn-secondary {
  background-color: var(--border-color);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}
.btn-secondary:hover {
  background-color: var(--bg-card-hover);
  transform: translateY(-2px);
}
.btn-accent {
  background: linear-gradient(135deg, var(--accent), #0d9488);
  color: #fff;
  box-shadow: 0 4px 15px rgba(20, 184, 166, 0.3);
}
.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(20, 184, 166, 0.4);
}

/* Control Buttons (Language, Theme) */
.ctrl-btn {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background-color: var(--border-color);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  font-size: 1rem;
}
.ctrl-btn:hover {
  background-color: var(--bg-card-hover);
  transform: scale(1.05);
}
.lang-btn {
  width: auto;
  padding: 0 0.8rem;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font-en);
}

/* Main Content Wrapper */
main {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem 2rem 4rem;
  position: relative;
}

/* Section Common Layouts */
section {
  display: none; /* Controlled via SPA routing */
  animation: fadeIn 0.5s ease;
}
section.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Hero Section */
.hero-section {
  text-align: center;
  padding: 5rem 1rem;
  max-width: 800px;
  margin: 0 auto;
}
.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.45; /* Increased to give breathing room for Bangla diacritics */
  padding: 0.12em 0; /* Prevents background-clip clipping on tops/bottoms of letters */
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--text-main) 30%, var(--primary) 70%, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  font-weight: 400;
}
.hero-ctas {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* Cards & Grid Utilities */
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}
.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.4;
  padding: 0.1em 0; /* Prevents text clipping of Bangla accents */
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--text-main), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
}

/* Card Styling */
.card {
  background-color: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.card:hover {
  background-color: var(--bg-card-hover);
  border-color: rgba(99, 102, 241, 0.25);
  transform: translateY(-4px);
}

/* Quiz Section Design */
.quiz-container {
  max-width: 650px;
  margin: 0 auto;
}
.progress-bar {
  width: 100%;
  height: 6px;
  background-color: var(--border-color);
  border-radius: 3px;
  margin-bottom: 2rem;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  width: 0%;
  transition: width 0.3s ease;
}
.quiz-card {
  min-height: 350px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.quiz-question {
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 2rem;
}
.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}
.option-btn {
  background-color: var(--border-color);
  border: 1px solid var(--border-color);
  padding: 1.1rem 1.5rem;
  border-radius: 12px;
  text-align: left;
  color: var(--text-main);
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}
.option-btn:hover {
  background-color: var(--primary-glow);
  border-color: var(--primary);
}
.option-btn.selected {
  background-color: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.25);
}
.quiz-nav {
  display: flex;
  justify-content: space-between;
}

.result-card {
  text-align: center;
  padding: 3rem 2rem;
}
.result-icon {
  font-size: 4rem;
  margin-bottom: 1.5rem;
  display: inline-block;
  animation: bounce 2s infinite;
}
.result-archetype {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 1rem;
}
.result-desc {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 2rem;
  line-height: 1.7;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Pathways (Skill Oceans) Grid */
.paths-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}
.path-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.path-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}
.path-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background-color: var(--primary-glow);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}
.path-card:nth-child(even) .path-icon {
  background-color: var(--accent-glow);
  color: var(--accent);
}
.path-title {
  font-size: 1.25rem;
  font-weight: 700;
}
.path-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}
.path-details {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out;
  border-top: 0px solid var(--border-color);
  padding-top: 0;
}
.path-details.expanded {
  max-height: 1000px;
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  margin-top: 1rem;
}
.path-subheading {
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: var(--accent);
}
.skills-list {
  list-style-type: none;
  margin-bottom: 1.5rem;
}
.skills-list li {
  padding-left: 1.2rem;
  position: relative;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
}
.skills-list li::before {
  content: "✦";
  position: absolute;
  left: 0;
  color: var(--primary);
}
.resources-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.resource-link {
  color: var(--primary);
  text-decoration: none;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: var(--transition);
}
.resource-link:hover {
  text-decoration: underline;
  color: var(--text-main);
}

/* Myths Section - Flipping Cards */
.myths-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}
.myth-card-container {
  perspective: 1000px;
  height: 320px;
  cursor: pointer;
}
.myth-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  transform-style: preserve-3d;
}
.myth-card-container:hover .myth-card-inner,
.myth-card-container.flipped .myth-card-inner {
  transform: rotateY(180deg);
}
.myth-card-front, .myth-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 16px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
}
.myth-card-front {
  background-color: var(--bg-card);
  color: var(--text-main);
}
.myth-card-back {
  background: linear-gradient(135deg, var(--bg-card-hover), var(--primary-glow));
  color: var(--text-main);
  transform: rotateY(180deg);
  overflow-y: auto;
}
.card-badge {
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 0.25rem 0.6rem;
  border-radius: 20px;
  margin-bottom: 1.5rem;
}
.card-badge.myth {
  background-color: rgba(239, 68, 68, 0.15);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
}
.card-badge.reality {
  background-color: rgba(34, 197, 94, 0.15);
  color: var(--success);
  border: 1px solid rgba(34, 197, 94, 0.3);
}
.card-main-text {
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.6;
}
.flip-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  position: absolute;
  bottom: 1rem;
}

/* Parents Section Grid */
.parents-container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: center;
}
.parents-img-placeholder {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
}
.parents-img-placeholder img {
  width: 100%;
  height: auto;
  display: block;
}
.parents-text-block {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.parent-tip-card {
  padding: 1.5rem;
}
.parent-tip-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
}
.parent-tip-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Routine Maker Layout */
.routine-generator-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}
.routine-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.form-label {
  font-weight: 600;
  font-size: 1rem;
}
.select-input {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.8rem 1rem;
  border-radius: 10px;
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
  font-family: inherit;
}
.select-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}
.checkbox-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.8rem;
}
.checkbox-btn {
  position: relative;
  display: block;
}
.checkbox-btn input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}
.checkbox-label {
  display: block;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 0.8rem 0.5rem;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
}
.checkbox-btn input:checked + .checkbox-label {
  background-color: var(--accent-glow);
  border-color: var(--accent);
  color: var(--text-main);
  box-shadow: 0 4px 12px var(--accent-glow);
}

.routine-display-card {
  min-height: 400px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.routine-output {
  margin: 1.5rem 0 2rem;
}
.routine-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}
.routine-table th, .routine-table td {
  padding: 0.8rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}
.routine-table th {
  font-weight: 600;
  color: var(--primary);
  font-size: 0.9rem;
}
.routine-table td {
  font-size: 0.95rem;
}
.routine-time {
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
}
.routine-footer-actions {
  display: flex;
  gap: 1rem;
}

/* Footer Section */
footer {
  background-color: rgba(11, 15, 25, 0.95);
  border-top: 1px solid var(--border-color);
  padding: 3rem 2rem;
  margin-top: auto;
}
body.light-theme footer {
  background-color: #e2e8f0;
}
.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.footer-credits {
  font-size: 0.9rem;
  color: var(--text-muted);
}
.footer-links {
  display: flex;
  gap: 1.5rem;
}
.footer-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}
.footer-link:hover {
  color: var(--text-main);
}

/* Responsive Breakpoints */
@media (max-width: 900px) {
  .routine-generator-wrapper, .parents-container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .parents-img-placeholder {
    max-width: 500px;
    margin: 0 auto;
  }
}

@media (max-width: 1024px) {
  .hero-title {
    font-size: 2.5rem;
  }
  .nav-container {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
  }
  .nav-menu {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.8rem;
  }
  main {
    padding: 1rem 1rem 3rem;
  }
}

/* Print Styling for Daily Routine */
@media print {
  body * {
    visibility: hidden;
  }
  #routine-maker, #routine-maker * {
    visibility: visible;
  }
  #routine-maker {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
  }
  .routine-form, .routine-footer-actions, .section-header, header, footer {
    display: none !important;
  }
  .routine-display-card {
    border: none !important;
    background: none !important;
    box-shadow: none !important;
  }
}

/* Mobile-specific optimizations (480px and below) */
@media (max-width: 480px) {
  .hero-title {
    font-size: 1.85rem;
    line-height: 1.4;
    padding: 0.1em 0;
  }
  .hero-subtitle {
    font-size: 0.95rem;
    margin-bottom: 1.8rem;
  }
  .hero-ctas {
    flex-direction: column;
    width: 100%;
    gap: 0.8rem;
  }
  .hero-ctas .btn {
    width: 100%;
    justify-content: center;
  }
  .section-title {
    font-size: 1.6rem;
  }
  .section-subtitle {
    font-size: 0.9rem;
  }
  .card {
    padding: 1.2rem;
  }
  .paths-grid {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
  .myths-grid {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
  .myth-card-container {
    height: 280px;
  }
  .option-btn {
    padding: 0.8rem 1rem;
    font-size: 0.9rem;
  }
  .routine-output {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    width: 100%;
  }
  .routine-table {
    min-width: 500px; /* Forces table to have a minimum width so it scrolls cleanly on mobile */
  }
  .routine-table th, .routine-table td {
    padding: 0.6rem 0.5rem;
    font-size: 0.85rem;
  }
  .nav-menu {
    gap: 0.4rem;
  }
  .nav-link {
    font-size: 0.8rem;
    padding: 0.3rem 0.5rem;
  }
}