/* Shared stylesheet for the Zoology year-overview pages (1st/2nd/3rd year) */
/* Consolidated from previously-duplicated inline <style> blocks; union of all rules used across the 3 pages */

/* --- MODERN ED-TECH STYLING --- */
    body {
      background-color: #fcfcfd;
      font-family: 'Inter', sans-serif;
      background-image: radial-gradient(#e2e8f0 1px, transparent 1px);
      background-size: 40px 40px;
      display: flex;
      flex-direction: column;
      min-height: 100vh;
      margin: 0;
    }

main { flex: 1; width: 100%; }

footer { width: 100%; margin-top: auto; }

.notes-container { 
      width: 100%;
      max-width: 1200px; 
      margin: 0 auto; 
      padding: 0 1rem 4rem 1rem; 
      position: relative; 
    }

/* Breadcrumbs */
    .visual-breadcrumb {
      padding: 3.5rem 0 0 1.5rem;
      font-size: 0.9rem;
      font-weight: 500;
      color: #64748b;
    }

.visual-breadcrumb a { color: #6366f1; text-decoration: none; transition: color 0.2s ease; }

.visual-breadcrumb a:hover { color: #4f46e5; text-decoration: underline; }

.visual-breadcrumb span { margin: 0 0.4rem; color: #cbd5e1; }

/* Directory Header */
    .directory-header {
      text-align: center;
      margin: 1.5rem 0 3rem 0;
      padding: 4rem 2rem;
      background: linear-gradient(135deg, #ffffff 0%, #eef2ff 100%);
      border-radius: 20px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
      border-bottom: 1px solid #e2e8f0;
    }

.header-tag {
      display: inline-block;
      background: #e0e7ff;
      color: #4338ca;
      padding: 0.5rem 1.2rem;
      border-radius: 50px;
      font-weight: 700;
      font-size: 0.85rem;
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 1.5rem;
      border: 1px solid #c7d2fe;
    }

.directory-header h1 {
      font-size: 2.8rem;
      color: #0f172a;
      margin-bottom: 1rem;
      font-weight: 800;
      line-height: 1.2;
    }

.directory-header p {
      font-size: 1.15rem;
      color: #475569;
      max-width: 800px;
      margin: 0 auto;
      line-height: 1.7;
    }

/* Semester Selection Cards (Grid) */
    .sem-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
      gap: 2.5rem;
      margin-bottom: 4rem;
    }

.sem-card {
      background: white;
      border-radius: 20px;
      padding: 3rem 2rem;
      box-shadow: 0 4px 20px rgba(0,0,0,0.03);
      border: 1px solid #e2e8f0;
      text-align: center;
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      text-decoration: none;
    }

.sem-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 15px 35px rgba(99, 102, 241, 0.1);
      border-color: #a5b4fc;
    }

.sem-icon {
      width: 80px;
      height: 80px;
      background: #eef2ff;
      color: #4f46e5;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 2.5rem;
      margin: 0 auto 1.5rem auto;
      box-shadow: 0 10px 20px rgba(79, 70, 229, 0.15);
    }

.sem-card h2 {
      font-size: 2rem;
      font-weight: 800;
      color: #1e293b;
      margin-bottom: 1rem;
    }

.dsc-list {
      background: #f8fafc;
      padding: 1.5rem;
      border-radius: 12px;
      margin-bottom: 2rem;
      text-align: left;
      flex-grow: 1;
    }

.dsc-item {
      display: flex;
      align-items: flex-start;
      gap: 0.8rem;
      margin-bottom: 0.8rem;
      font-size: 0.95rem;
      color: #475569;
      line-height: 1.5;
    }

.dsc-item:last-child { margin-bottom: 0; }

.dsc-item i { color: #6366f1; margin-top: 0.2rem; }

.sem-btn-faux {
      display: inline-block;
      background: linear-gradient(135deg, #6366f1, #4f46e5);
      color: white;
      padding: 1rem 1.5rem;
      border-radius: 50px;
      font-weight: 700;
      transition: all 0.3s ease;
      width: 100%;
      font-size: 1.05rem;
    }

.sem-card:hover .sem-btn-faux {
      box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
      transform: translateY(-2px);
    }

/* SEO Content Section */
    .seo-roadmap-section {
      background: white;
      border-radius: 20px;
      padding: 4rem 3rem;
      box-shadow: 0 4px 20px rgba(0,0,0,0.03);
      border: 1px solid #e2e8f0;
      margin-bottom: 4rem;
    }

.seo-roadmap-section h2 {
      font-size: 2.2rem;
      color: #0f172a;
      margin-bottom: 1.5rem;
      text-align: center;
      font-weight: 800;
    }

.seo-roadmap-section .lead-text {
      text-align: center;
      color: #64748b;
      font-size: 1.15rem;
      max-width: 800px;
      margin: 0 auto 3rem auto;
      line-height: 1.7;
    }

.content-box {
      margin-bottom: 2rem;
      padding: 2rem;
      background: #f8fafc;
      border-radius: 16px;
      border-left: 4px solid #6366f1;
    }

.content-box h3 {
      font-size: 1.4rem;
      color: #1e293b;
      margin-bottom: 1rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

.content-box p {
      color: #475569;
      line-height: 1.7;
      font-size: 1.05rem;
      margin: 0;
    }

/* FAQ Section */
    .faq-section {
      max-width: 900px;
      margin: 0 auto 4rem auto;
    }

.faq-section h2 {
      font-size: 2.2rem;
      font-weight: 800;
      color: #1e293b;
      text-align: center;
      margin-bottom: 2rem;
    }

.faq-item {
      background: white;
      border-radius: 16px;
      margin-bottom: 1rem;
      box-shadow: 0 2px 10px rgba(0,0,0,0.02);
      border: 1px solid #e2e8f0;
      transition: all 0.3s ease;
    }

.faq-item:hover { border-color: #cbd5e1; box-shadow: 0 5px 15px rgba(0,0,0,0.05); }

.faq-question {
      width: 100%;
      padding: 1.5rem;
      background: transparent;
      border: none;
      text-align: left;
      font-size: 1.1rem;
      font-weight: 600;
      color: #1e293b;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: color 0.3s ease;
    }

.faq-question:hover { color: #4f46e5; }

.faq-icon { font-size: 1.5rem; color: #4f46e5; font-weight: 300; transition: transform 0.3s ease; }

.faq-question.active .faq-icon { transform: rotate(45deg); }

.faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      background: #f8fafc;
      border-top: 1px solid transparent;
    }

.faq-answer.active {
      max-height: 9999px;
      padding: 1.5rem;
      border-top-color: #e2e8f0;
    }

.faq-answer p { margin: 0 0 1rem 0; color: #475569; line-height: 1.7; font-size: 1rem; }

.faq-answer p:last-child { margin-bottom: 0; }

/* Navigation Controls */
    .navigation-controls { display: flex; justify-content: center; margin-top: 3rem; }

.back-btn {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 1rem 2rem;
      background: white;
      color: #475569;
      border: 2px solid #e2e8f0;
      text-decoration: none;
      border-radius: 50px;
      font-weight: 700;
      font-size: 1rem;
      transition: all 0.3s ease;
    }

.back-btn:hover { background: #f8fafc; color: #0f172a; border-color: #cbd5e1; transform: translateY(-2px); }

/* User Profile Styles */
    .user-profile {
      position: absolute; top: 1rem; right: 2rem; background: white; padding: 0.6rem 1rem;
      border-radius: 50px; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05); border: 1px solid #e2e8f0;
      display: none; align-items: center; gap: 0.8rem; font-size: 0.9rem; z-index: 100;
    }

.user-profile.show { display: flex; }

.user-avatar { width: 36px; height: 36px; border-radius: 50%; background: linear-gradient(135deg, #6366f1, #4f46e5); display: flex; align-items: center; justify-content: center; color: white; font-weight: 700; font-size: 0.9rem; }

.user-info { display: flex; flex-direction: column; }

.user-name { font-weight: 700; color: #1e293b; }

.user-contact { font-size: 0.75rem; color: #64748b; }

.logout-btn { background: #fef2f2; color: #dc2626; border: none; padding: 0.4rem 0.8rem; border-radius: 50px; font-size: 0.8rem; font-weight: 700; cursor: pointer; transition: all 0.3s ease; }

.logout-btn:hover { background: #fee2e2; }

@media (max-width: 768px) { 
      .directory-header { padding: 3rem 1.5rem; }
      .directory-header h1 { font-size: 2.2rem; }
      .user-profile { position: relative; top: 0; right: 0; width: 100%; margin-top: 1rem; margin-bottom: 1.5rem; justify-content: space-between; }
      .seo-roadmap-section { padding: 2.5rem 1.5rem; }
    }

/* ==========================================================
       PROFESSIONAL EDTECH FOOTER STYLES
       ========================================================== */
    .pro-footer {
      background-color: #0b0f19;
      color: #94a3b8;
      padding: 5rem 0 0 0;
      border-top: 1px solid #1e293b;
      font-family: 'Inter', sans-serif;
      margin-top: auto;
    }

.pro-footer-container {
      max-width: 1350px;
      width: 100%;
      margin: 0 auto;
      padding: 0 2rem;
      box-sizing: border-box;
    }

.pro-footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1.2fr 1.3fr;
      gap: 3rem;
      padding-bottom: 4rem;
    }

/* Brand Column */
    .pro-footer-brand .footer-logo-img {
      max-width: 250px;
      display: block;
      margin-bottom: 1.5rem;
    }

.pro-footer-brand p {
      color: #94a3b8;
      font-size: 0.95rem;
      line-height: 1.7;
      margin: 0 0 1.8rem 0;
      max-width: 360px;
    }

.pro-footer-socials {
      display: flex;
      gap: 0.8rem;
      align-items: center;
    }

.footer-social-pill {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: #1e293b;
      color: #e2e8f0;
      display: flex;
      align-items: center;
      justify-content: center;
      text-decoration: none;
      font-size: 1.1rem;
      transition: all 0.3s ease;
    }

@media (hover: hover) {
      .footer-social-pill:hover { background: #6366f1; color: white; transform: translateY(-3px); }
    }

/* Navigation & Contact Columns */
    .pro-footer-col h3 {
      color: #ffffff;
      font-size: 1.15rem;
      font-weight: 700;
      margin: 0 0 1.5rem 0;
      letter-spacing: 0.5px;
    }

.pro-footer-col ul {
      list-style: none;
      padding: 0;
      margin: 0;
    }

.pro-footer-col ul li {
      margin-bottom: 0.9rem;
    }

/* Kills any global white box hover completely + Adds Swipe */
    .pro-footer-col ul li a {
      display: inline-block;
      color: #94a3b8;
      text-decoration: none;
      font-size: 0.95rem;
      transition: all 0.3s ease;
      background: transparent !important;
      border: none !important;
    }

/* Minimalist Inline Contact UI - Force Transparent Backgrounds */
    .footer-contact-row {
      display: flex;
      align-items: center;
      gap: 1rem;
      margin-bottom: 1.2rem;
      background: transparent !important;
      border: none !important;
    }

.footer-contact-icon {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: #1e293b;
      color: #e2e8f0;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      font-size: 0.95rem;
      transition: all 0.3s ease;
    }

.footer-contact-link {
      display: inline-block;
      color: #94a3b8;
      font-size: 0.95rem;
      text-decoration: none;
      transition: all 0.3s ease;
      background: transparent !important;
      border: none !important;
    }

@media (hover: hover) {
      .pro-footer-col ul li a:hover { color: #6366f1; transform: translateX(4px); background: transparent !important; border: none !important; }
      .footer-contact-row:hover .footer-contact-icon { background: #6366f1; color: white; }
      .footer-contact-row:hover .footer-contact-link { color: #6366f1; transform: translateX(4px); }
    }

/* Footer Bottom Copyright Bar */
    .pro-footer-bottom {
      border-top: 1px solid #1e293b;
      padding: 1.8rem 0;
    }

.pro-footer-bottom-flex {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 1.5rem;
      max-width: 1350px;
      width: 100%;
      margin: 0 auto;
      padding: 0 2rem;
      box-sizing: border-box;
    }

.pro-footer-bottom p {
      margin: 0;
      font-size: 0.9rem;
      color: #64748b;
    }

.pro-footer-legal-links {
      display: flex;
      gap: 1.5rem;
      flex-wrap: wrap;
    }

.pro-footer-legal-links a {
      color: #64748b;
      text-decoration: none;
      font-size: 0.9rem;
      transition: all 0.3s ease;
      background: transparent !important;
      border: none !important;
    }

@media (hover: hover) {
      .pro-footer-legal-links a:hover { color: #6366f1; background: transparent !important; border: none !important; }
    }

/* Mobile Responsiveness for Footer */
    @media (max-width: 1024px) {
      .pro-footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2.5rem;
      }
    }

@media (max-width: 768px) {
      .pro-footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        text-align: center;
      }
      .pro-footer-brand {
        display: flex;
        flex-direction: column;
        align-items: center;
      }
      .pro-footer-brand .footer-logo-img {
        margin: 0 auto 1.5rem auto;
      }
      .pro-footer-brand p {
        margin-left: auto;
        margin-right: auto;
      }
      .pro-footer-socials {
        justify-content: center;
      }
      .footer-contact-row {
        justify-content: center;
      }
      .pro-footer-bottom-flex {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
      }
      .pro-footer-legal-links {
        justify-content: center;
      }
    }

.cookie-banner {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: #ffffff;
  color: #333;
  padding: 14px 20px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 15px;
  font-size: 14px;
  max-width: 600px;
  width: 90%;
  z-index: 1000;
  transition: opacity 0.3s ease-in-out;
}

.cookie-banner a { color: #6366f1; text-decoration: none; font-weight: 500; }

.cookie-buttons { display: flex; align-items: center; gap: 10px; }

.accept-btn { background: #6366f1; color: white; padding: 6px 14px; border: none; border-radius: 8px; cursor: pointer; font-size: 13px; transition: background 0.3s ease; }

.accept-btn:hover { background: #4f46e5; }

.close-btn { font-size: 20px; cursor: pointer; color: #777; transition: color 0.3s ease; }

.close-btn:hover { color: #333; }

.cookie-banner.hidden { opacity: 0; pointer-events: none; }

/* Coming Soon Card Styling */
    .sem-card.coming-soon {
      background: #f8fafc;
      border-color: #cbd5e1;
      opacity: 0.85;
    }

.sem-card.coming-soon:hover {
      transform: translateY(-4px);
      box-shadow: 0 10px 20px rgba(0,0,0,0.05);
      border-color: #94a3b8;
    }

.sem-card.coming-soon .sem-icon { background: #e2e8f0; color: #64748b; box-shadow: none; }

.sem-card.coming-soon .sem-btn-faux { background: #94a3b8; color: white; cursor: not-allowed; }

.sem-card.coming-soon:hover .sem-btn-faux { box-shadow: none; transform: none; }

.sem-card.coming-soon .dsc-item i { color: #94a3b8; }