/* ═══════════════════════════════════════════════════════════════
   GLOBAL / RESET
   ═══════════════════════════════════════════════════════════════ */

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: #f4f7fc;
  font-family: 'Arial', sans-serif;
  color: #333;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.row {
  margin: 0;
}

.align-items-stretch {
  display: flex;
  align-items: stretch;
}

/* Shared keyframes reused across several pages below */
@keyframes fadeIn {
  0% { opacity: 0; }
  100% { opacity: 1; }
}

@keyframes fadeInUp {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}


/* ═══════════════════════════════════════════════════════════════
   NAVBAR (Allnavbar)
   ═══════════════════════════════════════════════════════════════ */

.navbar-nav .nav-link {
  transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
  transform: scale(1.1);
  color: #ffcc00;
}

.navbar-nav .nav-link .me-2 {
  transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover .me-2 {
  transform: scale(1.2);
  color: #ffcc00;
}

.navbar {
  opacity: 0;
  animation: navbarFadeIn 1s ease forwards;
}

@keyframes navbarFadeIn {
  to { opacity: 1; }
}

.navbar h1,
.navbar .text-center h3 {
  opacity: 0;
  animation: fadeInText 1.5s ease forwards;
}

@keyframes fadeInText {
  to { opacity: 1; }
}

.navbar .text-center .me-2 {
  transition: all 0.3s ease;
}

.navbar .text-center:hover .me-2 {
  transform: translateY(-10px);
  animation: bounce 0.5s ease forwards;
}

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


/* ═══════════════════════════════════════════════════════════════
   HOME PAGE (Allhome)
   ═══════════════════════════════════════════════════════════════ */

.bio-image {
  box-shadow: 0 8px 20px rgba(0, 50, 0, 0.9);
  transition: all 0.3s ease-in-out;
}

.bio-image:hover {
  box-shadow: 0 12px 30px rgba(0, 100, 0, 1);
  transform: scale(1.02);
}

.bio-analyzer-section {
  background-color: #f9fafe;
  padding: 40px 20px;
  border-radius: 15px;
  box-shadow: 0 8px 15px rgba(0, 77, 77, 0.5);
  text-align: center;
  max-width: 1200px;
  margin: 0 auto;
  animation: suddenFadeIn 2s ease-in-out forwards;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.bio-analyzer-section:hover {
  transform: translateY(-10px);
  box-shadow: 0 12px 20px rgba(0, 77, 77, 0.7);
}

@keyframes suddenFadeIn {
  0%   { opacity: 0; transform: scale(0.5); }
  80%  { opacity: 1; transform: scale(1.2); }
  100% { transform: scale(1); }
}

.bio-analyzer-title {
  font-size: 3rem;
  color: #004d4d;
  font-weight: bold;
  margin-bottom: 30px;
  position: relative;
}

.bio-analyzer-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background-color: #004d4d;
  margin: 10px auto 0;
  border-radius: 10px;
}

.bio-analyzer-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.bio-analyzer-text {
  flex: 1;
  max-width: 60%;
  text-align: left;
  line-height: 1.8;
  font-size: 1.2rem;
  color: #333;
  margin: 10px;
  position: relative;
  transition: color 0.3s ease, transform 0.3s ease;
}

.bio-analyzer-text:hover {
  color: #006666;
  transform: translateX(10px);
}

.bio-analyzer-text p::first-letter {
  font-size: 1.8rem;
  font-weight: bold;
  color: #004d4d;
}

.bio-analyzer-image img {
  width: 100%;
  max-width: 700px;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.bio-analyzer-image img:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

/* "See everything it can do" CTA link under the home page intro text */
.bio-analyzer-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  padding: 10px 20px;
  font-weight: 600;
  font-size: 0.95rem;
  color: #007bff;
  border: 1.5px solid #007bff;
  border-radius: 999px;
  text-decoration: none;
  transition: background-color 0.25s ease, color 0.25s ease, transform 0.2s ease;
}

.bio-analyzer-cta:hover {
  background-color: #007bff;
  color: #ffffff;
  transform: translateX(2px);
}

.bio-analyzer-cta svg {
  font-size: 0.85rem;
}

/* Compact horizontal toolkit strip (icon + short label chips) */
.toolkit-strip {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  gap: 12px;
  margin: 34px auto 4px;
  padding: 6px 4px 14px;
  max-width: 1100px;
  scrollbar-width: thin;
}

.toolkit-strip::-webkit-scrollbar {
  height: 6px;
}

.toolkit-strip::-webkit-scrollbar-thumb {
  background: #d5dee8;
  border-radius: 999px;
}

.toolkit-chip {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  background: #ffffff;
  border: 1px solid #e3eaf2;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #34445a;
  box-shadow: 0 2px 8px rgba(15, 35, 70, 0.05);
  white-space: nowrap;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.toolkit-chip:hover {
  border-color: #007bff;
  box-shadow: 0 4px 14px rgba(0, 123, 255, 0.15);
  transform: translateY(-1px);
}

.toolkit-chip-icon {
  display: flex;
  align-items: center;
  color: #007bff;
  font-size: 0.95rem;
}

@media (max-width: 576px) {
  .toolkit-strip { margin-top: 24px; }
  .toolkit-chip { padding: 8px 13px; font-size: 0.8rem; }
}

/* Features section */
.features-section {
  background-color: #ffffff;
  border-radius: 15px;
  box-shadow: 0 8px 15px rgba(0, 77, 77, 0.5);
  max-width: 1200px;
  margin: 0 auto;
}

.features-title {
  font-size: 2.5rem;
  color: #003366;
  animation: fadeInUp 1s ease-in-out;
}

.features-row {
  margin-top: 20px;
}

.feature-item {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  animation: fadeInUp 2s ease-in-out forwards;
}

.feature-item:hover {
  transform: translateY(-10px);
  border-radius: 15px;
  box-shadow: 0 8px 15px rgba(0, 77, 77, 0.5);
}

.feature-image {
  width: 150px;
  height: 100px;
  margin-bottom: 15px;
  transition: transform 0.3s ease;
}

.feature-image:hover {
  transform: scale(1.1);
}

.feature-item h4 {
  font-size: 1.25rem;
  color: #003366;
}

.feature-item p {
  font-size: 1rem;
  color: #666;
}

/* How It Works section */
.how-it-works-section {
  background-color: #ffffff;
  border-radius: 15px;
  box-shadow: 0 8px 15px rgba(0, 77, 77, 0.5);
  max-width: 1200px;
  margin: 0 auto;
  padding: 50px 20px;
}

.how-it-works-title {
  font-size: 2.5rem;
  font-weight: bold;
  text-transform: uppercase;
  color: #003366;
  margin-bottom: 40px;
  animation: fadeInUp 1s ease-in-out;
}

.how-it-works-row {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 20px;
}

.how-it-works-item {
  max-width: 350px;
  text-align: center;
  padding: 20px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  border-radius: 15px;
  transition: transform 0.3s ease-in-out;
  animation: fadeInUp 2s ease-in-out forwards;
}

.how-it-works-item:hover {
  transform: translateY(-10px);
}

.how-it-works-icon {
  background-color: #004d4d;
  color: white;
  padding: 20px;
  border-radius: 50%;
  margin-bottom: 20px;
  display: inline-block;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.how-it-works-icon svg {
  font-size: 2.5rem;
}

.how-it-works-item h4 {
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: 15px;
  color: #003366;
}

.how-it-works-item p {
  font-size: 1.1rem;
  color: #777;
  margin-bottom: 20px;
}

.how-it-works-image {
  width: 150px;
  height: 100px;
  margin-bottom: 15px;
  transition: transform 0.3s ease;
}

.how-it-works-image:hover {
  transform: scale(1.1);
}

@media (max-width: 767px) {
  .feature-item, .how-it-works-item { margin-bottom: 20px; }
  .features-title, .how-it-works-title { font-size: 2rem; }
  .feature-item h4, .how-it-works-item h4 { font-size: 1rem; }
  .feature-item p, .how-it-works-item p { font-size: 0.875rem; }
}

/* Subscribe section */
.subscribe-section {
  background-color: #f4f7fc;
  padding: 30px;
  text-align: center;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.subscribe-section h2 {
  font-size: 2.5rem;
  color: #2c3e50;
  margin-bottom: 20px;
}

.subscribe-section p {
  font-size: 1.2rem;
  color: #7f8c8d;
}

.subscribe-button {
  background-color: #3498db;
  color: white;
  font-size: 1.2rem;
  padding: 12px 30px;
  border-radius: 5px;
  transition: background-color 0.3s ease;
}

.subscribe-button:hover {
  background-color: #2980b9;
}


/* ═══════════════════════════════════════════════════════════════
   ABOUT PAGE (Allabout)
   ═══════════════════════════════════════════════════════════════ */

.about-tool-section {
  background: linear-gradient(145deg, #dfe6e9, #e9ecef);
  border-radius: 15px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
  transition: all 0.4s ease-in-out;
}

.about-tool-section:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.about-tool-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 30px;
  color: #003366;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-align: center;
}

.about-tool-section p {
  font-size: 1.25rem;
  line-height: 1.9;
  color: #555;
  text-align: justify;
  margin-bottom: 20px;
}

.bio-video {
  width: 100%;
  height: 90%;
  object-fit: cover;
  box-shadow: 0 12px 25px rgba(0, 50, 0, 0.9);
  border-radius: 15px;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.bio-video:hover {
  transform: scale(1.05);
  box-shadow: 0 18px 35px rgba(0, 0, 0, 0.3);
}

.about-tool-section .btn-primary {
  background-color: #007bff;
  color: #fff;
  border-radius: 30px;
  padding: 12px 40px;
  font-size: 1.2rem;
  box-shadow: 0 5px 15px rgba(0, 123, 255, 0.3);
  transition: all 0.3s ease;
}

.about-tool-section .btn-primary:hover {
  background-color: #0056b3;
  transform: scale(1.05);
  box-shadow: 0 8px 20px rgba(0, 123, 255, 0.5);
}

@media (max-width: 768px) {
  .about-tool-title { font-size: 2.5rem; }
  .about-tool-section p { font-size: 1rem; }
  .bio-video { height: auto; }
}

.feature-col {
  display: flex;
  justify-content: center;
  align-items: stretch;
}

.feature-box {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-align: center;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
  background-color: #fff;
  height: 100%;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-box:hover {
  transform: scale(1.05);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.feature-box h4 {
  font-weight: bold;
  margin-top: 20px;
}

.feature-box p {
  color: #555;
  margin-top: 10px;
}

.icon-text {
  display: flex;
  align-items: center;
}

.icon {
  width: 50px;
  height: 50px;
  margin-right: 8px;
}

.text {
  font-size: 1.2rem;
  color: #333;
}

/* Genomic history timeline section */
.genomic-history-section {
  padding: 60px 20px;
  background-color: #f0f8ff;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 50, 0, 0.1);
  text-align: center;
}

.genomic-history-title {
  font-size: 2.5rem;
  font-weight: bold;
  color: #003366;
  margin-bottom: 30px;
}

.genomic-history-description {
  font-size: 1.2rem;
  line-height: 1.8;
  color: #555;
  margin-bottom: 30px;
}

.genomic-history-item {
  text-align: center;
  padding: 20px;
}

.genomic-history-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 10px;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.genomic-history-item:hover .genomic-history-image {
  transform: scale(1.05);
}

.genomic-history-item h4 {
  color: #003366;
  margin-top: 10px;
  font-weight: 600;
}

.genomic-history-item p {
  color: #555;
  margin-top: 10px;
  font-size: 1rem;
  line-height: 1.6;
}

.genomic-history-conclusion {
  font-size: 1.2rem;
  line-height: 1.8;
  color: #555;
  margin-top: 30px;
}

/* Practical applications section */
.bioanalyzer-applications-section {
  border-radius: 10px;
  box-shadow: 0 0 8px rgba(53, 40, 167, 0.5);
}

.bioanalyzer-applications-title {
  font-size: 2.5rem;
  font-weight: bold;
  text-align: center;
  color: #003366;
  margin-bottom: 30px;
  text-transform: uppercase;
}

.bioanalyzer-application-item {
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  margin-bottom: 30px;
}

.bioanalyzer-icon {
  width: 20%;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 50, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.bioanalyzer-application-item:hover .bioanalyzer-icon {
  transform: scale(1.05);
  box-shadow: 0 12px 25px rgba(67, 71, 143, 0.7);
}

.bioanalyzer-application-item h4 {
  color: #003366;
  margin-top: 10px;
}

.bioanalyzer-application-item p {
  color: #555;
  margin-top: 10px;
}

/* Case studies section */
.case-studies-section {
  padding: 60px 20px;
  border-radius: 10px;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
  margin: 20px 0;
}

.case-studies-title {
  font-size: 2.5rem;
  font-weight: bold;
  text-align: center;
  color: #003366;
  margin-bottom: 30px;
  text-transform: uppercase;
}

.case-study-item {
  background-color: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.case-study-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.case-study-item h4 {
  font-size: 1.5rem;
  color: #003366;
  margin-bottom: 15px;
}

.case-study-item p {
  font-size: 1rem;
  color: #555;
  line-height: 1.6;
}

.case-study-item a {
  color: #007bff;
  font-weight: 600;
  text-decoration: none;
}

.case-study-item a:hover {
  color: #28a745;
  text-decoration: underline;
}

@media (max-width: 768px) {
  .case-study-item { margin-bottom: 30px; }
  .case-studies-title { font-size: 2rem; }
}

/* Future challenges section */
.future-challenges-section {
  padding: 60px 20px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(49, 54, 176, 0.9);
}

.future-challenges-title {
  font-size: 2.5rem;
  font-weight: bold;
  text-align: center;
  color: #003366;
  margin-bottom: 30px;
  text-transform: uppercase;
}

.future-challenge-item {
  margin-bottom: 30px;
  background-color: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.future-challenge-item h4 {
  font-size: 1.5rem;
  color: #003366;
  margin-bottom: 15px;
}

.future-challenge-item p {
  font-size: 1rem;
  color: #555;
  line-height: 1.6;
}

.future-challenge-item a {
  color: #007bff;
  font-weight: 600;
  text-decoration: none;
}

.future-challenge-item a:hover {
  color: #28a745;
  text-decoration: underline;
}

@media (max-width: 768px) {
  .future-challenge-item { margin-bottom: 20px; }
  .future-challenges-title { font-size: 2rem; }
}

/* Contact us section */
.contact-us-section {
  background: linear-gradient(900deg, #57a4a4, #008080, #e6f2f2);
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.contact-us-title {
  font-size: 2.5rem;
  font-weight: bold;
  color: #003366;
  text-align: center;
  text-transform: uppercase;
  margin-bottom: 30px;
}

.contact-us-subtitle {
  font-size: 1.2rem;
  color: #555;
  text-align: center;
}

.contact-form-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.contact-form {
  flex: 1 1 45%;
  padding: 20px;
  background-color: white;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.contact-form h4 {
  font-size: 1.5rem;
  color: #003366;
  margin-bottom: 20px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px;
  margin: 10px 0;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 1rem;
}

.contact-form input[type="submit"] {
  background-color: #007bff;
  color: white;
  border: none;
  cursor: pointer;
  font-weight: bold;
  padding: 12px;
  border-radius: 6px;
  transition: background-color 0.3s ease;
}

.contact-form input[type="submit"]:hover {
  background-color: #0056b3;
}

.contact-info {
  flex: 1 1 45%;
  padding: 20px;
  background-color: white;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.contact-info h4 {
  font-size: 1.5rem;
  color: #003366;
  margin-bottom: 20px;
}

.contact-info p {
  font-size: 1rem;
  color: #555;
  margin-bottom: 15px;
}

.contact-info a {
  color: #007bff;
  text-decoration: none;
  font-weight: bold;
}

.contact-info a:hover {
  color: #0056b3;
  text-decoration: underline;
}

.social-icons {
  display: flex;
  gap: 20px;
}

.social-icons a {
  color: #555;
  font-size: 1.5rem;
  transition: color 0.3s ease;
}

.social-icons a:hover {
  color: #007bff;
}

@media (max-width: 768px) {
  .contact-form-container { flex-direction: column; align-items: center; }
  .contact-form, .contact-info { flex: 1 1 100%; margin-bottom: 30px; }
}

/* ─── "Full Feature Breakdown" accordion cards (About page) ─────── */

.baf-section {
  padding: 70px 20px 80px;
  background: linear-gradient(180deg, #ffffff 0%, #f2f6fb 100%);
}

.baf-section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 46px;
}

.baf-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #007bff;
  background: rgba(0, 123, 255, 0.08);
  border: 1px solid rgba(0, 123, 255, 0.18);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.baf-section-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: #003366;
  margin-bottom: 14px;
  line-height: 1.25;
}

.baf-section-sub {
  font-size: 1.05rem;
  color: #5c6b7a;
  line-height: 1.7;
  margin: 0;
}

.baf-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

@media (max-width: 767px) {
  .baf-grid { grid-template-columns: 1fr; }
}

.baf-card {
  --baf-accent: #007bff;
  background: #ffffff;
  border: 1px solid #e4eaf1;
  border-radius: 14px;
  box-shadow: 0 4px 16px rgba(15, 35, 70, 0.05);
  overflow: hidden;
  transition: box-shadow 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

.baf-card:hover {
  box-shadow: 0 10px 28px rgba(15, 35, 70, 0.1);
  transform: translateY(-2px);
}

.baf-card-open {
  border-color: var(--baf-accent);
  box-shadow: 0 12px 30px rgba(15, 35, 70, 0.12);
}

.baf-card-header {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 22px;
  background: transparent;
  border: none;
  text-align: left;
  cursor: pointer;
}

.baf-icon-wrap {
  flex: 0 0 auto;
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--baf-accent);
  background: color-mix(in srgb, var(--baf-accent) 14%, white);
}

.baf-header-text {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.baf-title {
  font-size: 1.08rem;
  font-weight: 700;
  color: #10233f;
}

.baf-tagline {
  font-size: 0.85rem;
  color: #7a8a9a;
}

.baf-chevron {
  flex: 0 0 auto;
  color: #9aa8bd;
  transition: transform 0.25s ease, color 0.25s ease;
}

.baf-chevron-open {
  color: var(--baf-accent);
  transform: rotate(180deg);
}

.baf-point-list {
  list-style: none;
  margin: 0;
  padding: 2px 22px 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.baf-point-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.93rem;
  line-height: 1.55;
  color: #445164;
}

.baf-check {
  flex: 0 0 auto;
  margin-top: 3px;
  font-size: 0.85rem;
  color: var(--baf-accent);
}


/* ═══════════════════════════════════════════════════════════════
   BIOINFORMATICS LEARNING PAGE ("Learning About Bioinformatics")
   ═══════════════════════════════════════════════════════════════ */

.bioinformatics-header {
  background-color: #5cc5c5;
  color: white;
  border-radius: 10px;
  margin-top: 130px;
}

.bioinformatics-header h1 {
  font-size: 3rem;
  font-weight: bold;
  text-transform: uppercase;
}

.bioinformatics-header p {
  font-size: 1.3rem;
  line-height: 1.8;
  margin: 0;
  font-weight: 300;
}

.bioinformatics-intro-section {
  margin: 60px;
}

.bioinformatics-intro-section h2 {
  font-size: 2.5rem;
  color: #003366;
  font-weight: bold;
}

.bioinformatics-intro-section p {
  font-size: 1.2rem;
  line-height: 1.6;
  color: #555;
  margin-top: 20px;
}

.bioinformatics-intro-section img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.bioinformatics-areas-section {
  margin-bottom: 60px;
}

.bio-area-box {
  text-align: center;
  padding: 30px;
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  margin-bottom: 40px;
  transition: all 0.3s ease;
}

.bio-area-box:hover {
  transform: translateY(-10px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.bio-area-box h4 {
  color: #003366;
  font-size: 1.6rem;
  margin-top: 20px;
  font-weight: 600;
}

.bio-area-box p {
  color: #555;
  font-size: 1rem;
  line-height: 1.6;
  margin-top: 15px;
}

.bio-area-box .bio-icon {
  color: #003366;
  font-size: 50px;
  margin-bottom: 20px;
}

.bioinformatics-tools-section {
  margin-bottom: 60px;
}

.tool-card {
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  margin-bottom: 30px;
  padding: 20px;
}

.tool-card h4 {
  color: #003366;
  font-size: 1.4rem;
  font-weight: bold;
  margin-bottom: 15px;
}

.tool-card p {
  font-size: 1rem;
  color: #555;
  line-height: 1.6;
}

.tool-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
}

.bioinformatics-applications-section {
  margin-bottom: 60px;
}

.applications-list {
  list-style-type: none;
  padding-left: 0;
}

.applications-list li {
  font-size: 1.2rem;
  line-height: 1.6;
  color: #555;
  margin-bottom: 10px;
}

.applications-list li strong {
  color: #003366;
}

.bioinformatics-applications-section img {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.bioinformatics-careers-section {
  margin-bottom: 60px;
}

.career-box {
  text-align: center;
  padding: 20px;
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  margin-bottom: 40px;
  transition: all 0.3s ease;
}

.career-box:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

.career-box h4 {
  color: #003366;
  font-size: 1.4rem;
  margin-top: 15px;
}

.career-box p {
  color: #555;
  font-size: 1rem;
}

.career-box .career-icon {
  color: #003366;
  font-size: 50px;
  margin-bottom: 20px;
}

.bioinformatics-conclusion-section {
  margin-bottom: 60px;
}

.bioinformatics-conclusion-section p {
  font-size: 1.2rem;
  line-height: 1.6;
  color: #555;
  text-align: center;
}

footer {
  background-color: #003366;
  color: white;
  padding: 30px;
  text-align: center;
  margin-top: 40px;
}

footer p {
  font-size: 1rem;
}


/* ═══════════════════════════════════════════════════════════════
   INTRO / HERO LEARNING PAGE
   ═══════════════════════════════════════════════════════════════ */

.hero-heading {
  color: white;
  font-size: 3rem;
  margin-bottom: 20px;
  text-shadow: 0 0 10px rgba(139, 226, 248, 0.8), 0 0 20px rgba(143, 213, 227, 0.87), 0 0 30px rgb(115, 207, 235);
  animation: glowing 1.5s infinite alternate;
}

@keyframes glowing {
  0% {
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.8), 0 0 20px rgba(255, 255, 255, 0.6), 0 0 30px rgba(255, 255, 255, 0.4);
    color: white;
  }
  50% {
    text-shadow: 0 0 20px rgba(255, 255, 255, 1), 0 0 30px rgba(255, 255, 255, 0.9), 0 0 40px rgba(255, 255, 255, 0.7);
    color: #3087a2;
  }
  100% {
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.8), 0 0 20px rgba(255, 255, 255, 0.6), 0 0 30px rgba(255, 255, 255, 0.4);
    color: white;
  }
}

.center-container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 20vh;
  margin: 0;
}

.introh2 {
  color: rgb(255, 255, 255);
  font-family: 'Courier New', Courier, monospace;
  font-size: 30px;
  font-weight: bold;
  padding: 20px;
  background: linear-gradient(45deg, #1a5c63, #b8dbd6);
  background-size: 400% 400%;
  border-radius: 15px;
  animation: gradientAnimation 5s ease infinite;
  text-align: center;
}

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

.hero-section {
  position: relative;
  background-image: url('/img/hero.jpg');
  background-size: cover;
  background-position: center;
  width: 100%;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-content {
  text-align: center;
  color: white;
  z-index: 1;
}

.hero-description {
  font-size: 1.5rem;
  margin-bottom: 30px;
}

.start-learning-btn {
  padding: 15px 30px;
  font-size: 1.2rem;
  background-color: #4CAF50;
  color: white;
  border: none;
  cursor: pointer;
  border-radius: 5px;
  transition: background-color 0.3s ease;
}

.start-learning-btn:hover {
  background-color: #45a049;
}

.video-container {
  width: 80%;
  margin: 50px auto;
  background-color: #f5f5f5;
  padding: 20px;
  border-radius: 15px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  text-align: center;
}

.video-header .video-title {
  font-size: 2rem;
  color: #1a5c63;
  margin-bottom: 20px;
  font-weight: bold;
}

.intro-video {
  margin-bottom: 40px;
}

.intro-video iframe {
  border: 5px solid #1a5c63;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
}

.intro-video iframe:hover {
  transform: scale(1.03);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
}

.video-actions {
  margin-top: 20px;
  display: flex;
  justify-content: center;
  gap: 15px;
}

.action-btn {
  background-color: #1a5c63;
  color: #ffffff;
  border: none;
  border-radius: 5px;
  padding: 10px 20px;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
  display: flex;
  align-items: center;
  gap: 10px;
}

.action-btn i {
  font-size: 1.2rem;
}

.action-btn:hover {
  background-color: #145055;
  transform: translateY(-3px);
}

.share-btn { background-color: #e94f37; }
.share-btn:hover { background-color: #d8422b; }

.info-btn { background-color: #f2c94c; color: #333; }
.info-btn:hover { background-color: #eab529; }

.intro-paragraph {
  font-family: 'Arial', sans-serif;
  font-size: 22px;
  color: #444;
  line-height: 1.8;
  margin: 30px 20px;
  text-align: justify;
  background-color: #f7f7f7;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  border: 1px solid #ddd;
  transition: all 0.3s ease;
}

.intro-paragraph:hover {
  background-color: #e8e8e8;
  transform: scale(1.03);
  box-shadow: 0 6px 30px rgba(0, 0, 0, 0.15);
}

.intro-images {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.image-section {
  flex: 1;
  min-width: 300px;
  text-align: center;
}

.intro-image {
  width: 48%;
  height: 350px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.intro-image:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.3);
  filter: brightness(1.1);
}

.par {
  font-size: 20px;
  font-family: monospace;
}

/* Applications grid */
.applications-section {
  padding: 50px 20px;
  background: linear-gradient(135deg, #f9f9f9, #eef1f5);
  text-align: center;
  color: #333;
}

.applications-title {
  font-size: 3rem;
  font-weight: bold;
  color: #1a5c63;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.applications-description {
  font-size: 1.3rem;
  color: #444;
  font-weight: 600;
  margin-bottom: 50px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}

.applications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  max-width: 1200px;
  margin: 0 auto;
}

.application {
  background: #ffffff;
  border: 1px solid #ddd;
  border-radius: 15px;
  box-shadow: 0 5px 12px rgba(0, 0, 0, 0.1);
  padding: 25px;
  text-align: center;
  transition: all 0.4s ease;
  cursor: pointer;
  overflow: hidden;
  position: relative;
}

.application:hover {
  transform: translateY(-12px) scale(1.03);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  background: linear-gradient(135deg, #ffffff, #f3f7fa);
}

.application-icon {
  width: 30px;
  height: 30px;
  margin-bottom: 15px;
  transition: transform 0.3s ease;
}

.application:hover .application-icon {
  transform: rotate(10deg) scale(1.1);
}

.application h3 {
  font-size: 1.7rem;
  color: #1a5c63;
  font-weight: 700;
  margin-bottom: 12px;
  text-transform: capitalize;
  letter-spacing: 0.5px;
}

.application p {
  font-size: 1.1rem;
  color: #555;
  line-height: 1.7;
  font-weight: 500;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: #1a5c63;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.section-description {
  font-size: 1.2rem;
  color: #555;
  margin-bottom: 40px;
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.8;
}

.concepts-grid,
.tools-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.animated-card {
  background-color: #ffffff;
  border: 1px solid #ddd;
  border-radius: 15px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  padding: 25px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.animated-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.concept-title {
  font-size: 1.5rem;
  color: #0e4b5a;
  margin-bottom: 15px;
  font-weight: bold;
}

.concept-description,
.tool-description {
  font-size: 1rem;
  color: #666;
  line-height: 1.6;
}

.tool-icon {
  width: 60px;
  height: 60px;
  margin-bottom: 15px;
  transition: transform 0.3s ease;
}

.tool-icon:hover {
  transform: scale(1.1);
}

.tool-link {
  display: block;
  font-size: 1.2rem;
  color: #1a5c63;
  font-weight: bold;
  margin-bottom: 10px;
  text-decoration: none;
  transition: color 0.3s;
}

.tool-link:hover {
  color: #0e8b9d;
}

/* Learning path section */
.learning-path-section {
  padding: 60px 20px;
  background-color: #f4f8fb;
  text-align: center;
}

.learning-path-center-container {
  margin-bottom: 30px;
}

.learning-path-introh2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: #1a5c63;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.learning-path-path-content {
  max-width: 800px;
  margin: 0 auto;
  font-size: 1.1rem;
  color: #555;
  line-height: 1.7;
}

.learning-path-description {
  margin-bottom: 30px;
}

.learning-path-list {
  list-style-type: none;
  padding: 0;
  margin: 0;
}

.learning-path-list li {
  background-color: #ffffff;
  margin: 15px 0;
  padding: 20px 30px;
  border-radius: 12px;
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
  font-size: 1.1rem;
  color: #333;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
  position: relative;
}

.learning-path-list li:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
  background-color: #f0f9f4;
}

.learning-path-list li::before {
  content: '✓';
  font-size: 1.6rem;
  color: #1a5c63;
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
}

.learning-path-list li strong {
  color: #1a5c63;
  font-weight: 600;
}

.learning-path-list li strong:hover {
  color: #333;
  text-decoration: underline;
}

.learning-path-list li:not(:last-child) {
  margin-bottom: 20px;
}

@media (max-width: 768px) {
  .learning-path-list li {
    padding: 15px 20px;
    font-size: 1rem;
  }
}


/* ═══════════════════════════════════════════════════════════════
   SEQUENCE TOOL — LEGACY (.sequance-*)
   ═══════════════════════════════════════════════════════════════ */

.sequance-header {
  background: linear-gradient(135deg, #005f5f, #008080, #e6f2f2);
  color: #ecf0f1;
  padding: 50px 0;
  border-radius: 15px;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
  animation: fadeInUp 1s ease-in-out, textColorShift 8s infinite alternate;
  text-align: center;
  position: relative;
  overflow: hidden;
}

@keyframes textColorShift {
  0%   { color: #005f5f; }
  100% { color: #008080; }
}

.sequance-header h1 {
  font-size: 3.5rem;
  letter-spacing: 2px;
  font-family: 'Arial', sans-serif;
  font-weight: bold;
  color: #f9f9f9;
  text-transform: uppercase;
  margin: 0;
  padding-bottom: 10px;
  animation: textSlide 10s infinite alternate;
}

@keyframes textSlide {
  0%   { transform: translateX(-10%); }
  50%  { transform: translateX(0); }
  100% { transform: translateX(10%); }
}

.sequance-main {
  padding: 40px;
  background-color: #e6f2f2;
  border-radius: 15px;
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
  margin-top: 30px;
}

.sequance-main p {
  margin-bottom: 20px;
  color: #333;
  font-size: 1.2rem;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .sequance-header h1 { font-size: 2.5rem; letter-spacing: 1px; }
  .sequance-main { padding: 20px; }
  .sequance-header { padding: 30px 0; }
}

.sequance-input-section {
  background-color: #ffffff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  margin-bottom: 30px;
  transition: transform 0.3s ease;
}

.sequance-input-section:hover {
  transform: scale(1.02);
}

.sequance-textarea {
  width: 100%;
  height: 180px;
  border-radius: 12px;
  padding: 20px;
  font-size: 1.15rem;
  line-height: 1.5;
  border: 1px solid #dcdde1;
  box-sizing: border-box;
  margin-bottom: 20px;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.sequance-textarea:focus {
  border-color: #3498db;
  outline: none;
  box-shadow: 0 0 8px rgba(52, 152, 219, 0.5);
}

.sequance-button {
  font-size: 1.2rem;
  padding: 12px 30px;
  margin: 10px 0;
  border-radius: 8px;
  transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
  text-transform: uppercase;
  font-weight: 600;
  cursor: pointer;
  display: inline-block;
  border: none;
}

.sequance-button.variant-primary {
  background-color: #3498db;
  color: #fff;
}

.sequance-button.variant-primary:hover {
  background-color: #2980b9;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(52, 152, 219, 0.3);
}

.sequance-button.variant-secondary {
  background-color: #16a085;
  color: #fff;
}

.sequance-button.variant-secondary:hover {
  background-color: #1abc9c;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(22, 160, 133, 0.3);
}

.sequance-button.variant-info {
  background-color: #f39c12;
  color: #fff;
}

.sequance-button.variant-info:hover {
  background-color: #f1c40f;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(243, 156, 18, 0.3);
}

.sequance-buttons-container {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.sequance-button-small {
  font-size: 0.8rem;
  padding: 5px 10px;
}

@media (max-width: 768px) {
  .sequance-input-section { padding: 20px; }
  .sequance-textarea { font-size: 1rem; height: 150px; }
  .sequance-button { font-size: 1rem; padding: 10px 25px; }
}

.sequance-results-section {
  background: linear-gradient(135deg, #1d3c34, #1d3c34);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  margin-bottom: 40px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.sequance-results-section:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.sequance-results-section h2 {
  color: #000000;
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 20px;
  text-transform: capitalize;
  letter-spacing: 1px;
  font-family: 'Roboto', sans-serif;
  transition: color 0.3s ease;
}

.sequance-results-section h2:hover {
  color: #3498db;
}

.sequance-results-section h3 {
  color: #000000;
  font-size: 1.8rem;
  margin-top: 30px;
  font-weight: bold;
}

.sequance-results-section p {
  font-size: 1.4rem;
  color: #000000;
  margin-bottom: 10px;
}

.sequance-nucleotide-percentages {
  margin-top: 30px;
}

.sequance-nucleotide-percentages .list-group-item,
.sequance-results-section .list-group-item {
  background-color: #026670;
  border: 1px solid #FF6700;
  color: #ffffff;
  font-size: 1.3rem;
  padding: 15px 20px;
  border-radius: 8px;
  transition: background-color 0.3s ease, transform 0.2s ease;
  margin-bottom: 12px;
}

.sequance-nucleotide-percentages .list-group-item:hover,
.sequance-results-section .list-group-item:hover {
  background-color: #7ba07b;
  color: #000000;
  transform: scale(1.03);
}

.sequance-nucleotide-percentages .list-group-item:last-child {
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .sequance-results-section { padding: 20px; }
  .sequance-results-section h2 { font-size: 1.8rem; }
  .sequance-results-section p { font-size: 1rem; }
  .sequance-nucleotide-percentages .list-group-item { font-size: 1rem; padding: 10px 15px; }
}

.sequance-advanced-analysis {
  background-color: #ffffff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.sequance-advanced-analysis h2 {
  color: #34495e;
  font-size: 2rem;
}

.sequance-advanced-analysis p {
  font-size: 1.1rem;
  color: #7f8c8d;
}

.sequance-advanced-analysis button {
  margin-top: 10px;
  font-size: 1.2rem;
}

.sequance-upload-section {
  background-color: #e9f5ec;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  margin-bottom: 40px;
}

.sequance-upload-section .form-label {
  font-size: 1.8rem;
  font-weight: bold;
  color: #155724;
  margin-bottom: 15px;
}

.sequance-upload-section select {
  width: 100%;
  padding: 3px;
  border-radius: 8px;
  border: 2px solid #155724;
  background-color: #ffffff;
  font-size: 1rem;
  font-weight: 400;
  color: #6c757d;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  line-height: normal;
}

.sequance-upload-section select:focus {
  border-color: #1e7e34;
  outline: none;
  box-shadow: 0 0 8px rgba(40, 167, 69, 0.5);
  color: #155724;
}

.sequance-upload-section select option[value=""] {
  color: #6c757d;
  font-style: italic;
  margin: 15px;
}

.sequance-upload-section input[type="file"] {
  width: 100%;
  padding: 15px 20px;
  border-radius: 8px;
  border: 2px solid #155724;
  background-color: #ffffff;
  font-size: 1rem;
  font-weight: 500;
  color: #155724;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.sequance-upload-section input[type="file"]:focus {
  border-color: #1e7e34;
  outline: none;
  box-shadow: 0 0 8px rgba(40, 167, 69, 0.5);
}

.sequance-upload-section button {
  margin-top: 20px;
  padding: 14px 25px;
  background-color: #28a745;
  color: #ffffff;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: bold;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.sequance-upload-section button:hover {
  background-color: #155724;
  transform: scale(1.05);
}

.sequance-results-section span,
.complementary-sequence {
  font-weight: bold;
  color: #155724;
  background-color: #e9f5ec;
  padding: 5px 10px;
  border-radius: 5px;
  display: block;
  white-space: pre-wrap;
  word-wrap: break-word;
  width: 100%;
  max-width: 100%;
  line-height: 1.5;
  overflow-wrap: break-word;
}

.quality-scores-title {
  font-size: 1.6rem;
  font-weight: bold;
  color: #155724;
  margin-bottom: 10px;
}

.quality-scores-text {
  font-size: 1.4rem;
  color: #000000;
  background-color: #e9f5ec;
  padding: 10px;
  border-radius: 5px;
  word-wrap: break-word;
  max-width: 100%;
  line-height: 1.5;
}


/* ═══════════════════════════════════════════════════════════════
   AUTH PAGE — LOGIN / SIGN UP (AuthPage)
   ═══════════════════════════════════════════════════════════════ */

 

.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f8fafc;
  padding: 150px 16px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
}

.auth-container {
  width: 100%;
  max-width: 440px;
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 36px 32px;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px rgba(15, 23, 42, 0.06);
}

/* --- Tabs --- */
.auth-tabs {
  display: flex;
  background: #f1f5f9;
  border-radius: 10px;
  padding: 4px;
  margin-bottom: 24px;
}

.auth-tab {
  flex: 1;
  border: none;
  background: transparent;
  padding: 9px 0;
  font-size: 14px;
  font-weight: 600;
  color: #64748b;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.auth-tab:hover {
  color: #334155;
}

.auth-tab.active {
  background: #ffffff;
  color: #0f172a;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.12);
}

/* --- Header --- */
.auth-title {
  font-size: 22px;
  font-weight: 700;
  color: #0f172a;
  letter-spacing: -0.01em;
  margin-bottom: 4px;
}

.auth-subtitle {
  font-size: 14px;
  color: #64748b;
  margin-bottom: 24px;
}

/* --- Form layout --- */
.auth-form {
  animation: fadeSlideIn 0.3s ease-out;
}

@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.input-container {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #334155;
  margin-bottom: 6px;
}

.auth-form .form-control {
  width: 100%;
  font-size: 14px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid #d8dee8;
  background-color: #fff;
  color: #0f172a;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.auth-form .form-control::placeholder {
  color: #94a3b8;
}

.auth-form .form-control:focus {
  outline: none;
  border-color: #4f46e5;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
}

/* --- Links --- */
.extra-links {
  text-align: center;
  font-size: 13.5px;
  color: #64748b;
  margin-top: 18px;
}

.extra-links-top {
  text-align: right;
  margin-top: -6px;
  margin-bottom: 14px;
}

.register-link,
.forgot-password-link {
  color: #4f46e5;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.register-link:hover,
.forgot-password-link:hover {
  text-decoration: underline;
}

/* --- Submit button --- */
.submit-btn {
  width: 100%;
  border: none;
  padding: 11px;
  border-radius: 8px;
  font-size: 14.5px;
  font-weight: 600;
  background-color: #4f46e5;
  color: #ffffff;
  transition: background-color 0.2s ease, transform 0.15s ease;
}

.submit-btn:hover {
  background-color: #4338ca;
  transform: translateY(-1px);
}

.submit-btn:active {
  transform: translateY(0);
}

/* --- Divider --- */
.divider {
  display: flex;
  align-items: center;
  text-align: center;
  color: #94a3b8;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 20px 0 16px;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: #e2e8f0;
}

.divider span {
  padding: 0 10px;
}

/* --- Social buttons --- */
.social-login {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.social-btn {
  padding: 9px 10px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 600;
  border: 1px solid #e2e8f0;
  background-color: #ffffff;
  color: #334155;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.social-btn:hover {
  background-color: #f8fafc;
  border-color: #cbd5e1;
}

.facebook-btn {
  color: #1d4ed8;
}

.google-btn {
  color: #dc2626;
}

/* --- Success message --- */
.auth-message {
  margin-top: 18px;
  margin-bottom: 0;
  padding: 11px 14px;
  border-radius: 8px;
  background-color: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #047857;
  font-size: 13.5px;
  font-weight: 500;
  text-align: center;
}

/* --- Responsive --- */
@media (max-width: 480px) {
  .auth-container {
    padding: 28px 20px;
  }
}


/* ═══════════════════════════════════════════════════════════════
   REFERENCE PAGE (Allrefrence)
   ═══════════════════════════════════════════════════════════════ */

.page-header {
  background-color: #4f8bfc;
  color: white;
  padding: 40px 0;
  text-align: center;
  animation: fadeIn 1.5s ease-out;
}

.page-title {
  font-size: 3rem;
  margin: 0;
  font-weight: bold;
  color: #0d2d7c;
  animation: slideInFromTop 1s ease-out;
}

.page-description {
  font-size: 1.2rem;
  margin-top: 10px;
  animation: fadeIn 2s ease-out;
}

@keyframes slideInFromTop {
  0%   { opacity: 0; transform: translateY(-50px); }
  100% { opacity: 1; transform: translateY(0); }
}

.search-bar {
  padding: 10px;
  width: 50%;
  margin-top: 20px;
  font-size: 1rem;
  border-radius: 5px;
  border: 1px solid #ddd;
  transition: all 0.3s ease;
}

.search-bar:focus {
  border-color: #4f8bfc;
  outline: none;
  box-shadow: 0 0 5px rgba(79, 139, 252, 0.7);
}

.filters {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

.filter-btn {
  background-color: #4f8bfc;
  color: white;
  padding: 12px 20px;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  border-radius: 5px;
  transition: background-color 0.3s ease;
  animation: fadeInUp 1s ease-out;
}

.filter-btn:hover {
  background-color: #3a6fc1;
}

.reference-category {
  margin-top: 30px;
  background-color: #fff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  animation: fadeInUp 2s ease-out;
}

.category-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 20px;
  font-weight: bold;
  color: #4f8bfc;
  animation: fadeIn 2s ease-out;
}

.book-list {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  animation: fadeInUp 2s ease-out;
}

.book-item {
  background-color: #fff;
  border: 1px solid #ddd;
  padding: 20px;
  width: 300px;
  border-radius: 5px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transform: translateY(20px);
  opacity: 0;
  animation: slideUpIn 1s forwards ease-out;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.book-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 10px rgba(0, 0, 0, 0.15);
}

@keyframes slideUpIn {
  0%   { opacity: 0; transform: translateY(20px); }
  100% { opacity: 1; transform: translateY(0); }
}

.book-title {
  font-size: 1.5rem;
  color: #333;
  font-weight: bold;
}

.book-description {
  font-size: 1rem;
  color: #555;
}

.category-list {
  list-style: none;
  padding: 0;
  animation: fadeInUp 2s ease-out;
}

.article-link,
.paper-link {
  text-decoration: none;
  color: #4f8bfc;
  font-size: 1.1rem;
  display: block;
  margin: 10px 0;
  transition: color 0.3s ease;
}

.article-link:hover,
.paper-link:hover {
  color: #3a6fc1;
  text-decoration: underline;
}


/* ═══════════════════════════════════════════════════════════════
   BIOANALYZER PRO — main sequence-analysis tool (BioAnalyzer.jsx)
   Design tokens & component styles
   ═══════════════════════════════════════════════════════════════ */

.ba-root {
  --bg:          #060a12;
  --bg-raised:   #0c121e;
  --surface:     #0f1726;
  --surface-2:   #131d2f;
  --border:      #223249;
  --border-soft: #1a2536;

  --text:        #e9eef7;
  --text-dim:    #9aa8bd;
  --text-mute:   #667389;

  --mint:        #21e0b0;
  --mint-dim:    #12b28a;
  --violet:      #9b7bf0;
  --violet-dim:  #7c5ce0;
  --amber:       #f5b544;
  --coral:       #f2596b;
  --azure:       #3ec7e0;

  --radius:      12px;
  --radius-sm:   8px;

  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;

  /* Layout: header/content grows, footer always ends the page with
     no stray space above or below it */
  display: flex;
  flex-direction: column;
}

.ba-main {
  flex: 1 0 auto;
}

/* Footer wrapper: never pushed off-screen or duplicated */
.ba-footer-slot {
  flex-shrink: 0;
  margin-top: 32px;
}

/* ── HEADER ─────────────────────────────────────────────────── */
/* Extra breathing room below the fixed navbar so the title is
   never clipped underneath it (bumped up for more visual separation) */
.ba-header {
  text-align: center;
  padding: 56px 0 28px;
  margin-top: 110px;
  border-bottom: 1px solid var(--border-soft);
  margin-bottom: 28px;
}

.ba-title {
  font-size: 30px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--mint), var(--violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}

.ba-subtitle {
  font-size: 13px;
  color: var(--text-mute);
  margin-top: 8px;
  font-family: 'Inter', system-ui, sans-serif;
  letter-spacing: 0.2px;
}

.ba-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
  box-sizing: border-box;
}

/* ── CARD ───────────────────────────────────────────────────── */
.ba-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

.ba-label {
  font-size: 11px;
  color: var(--text-mute);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.ba-textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  padding: 10px 14px;
  resize: vertical;
  outline: none;
  box-sizing: border-box;
  transition: border-color .15s ease;
}

.ba-textarea:focus {
  border-color: var(--mint-dim);
}

/* ── BUTTONS ────────────────────────────────────────────────── */
.ba-btn {
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  transition: filter .15s ease, transform .1s ease;
  font-family: inherit;
}

.ba-btn:active {
  transform: translateY(1px);
}

.ba-btn:disabled {
  cursor: not-allowed;
  opacity: .5;
}

.ba-btn-primary {
  background: linear-gradient(135deg, var(--mint), var(--mint-dim));
  color: #04140f;
}

.ba-btn-primary:hover:not(:disabled) {
  filter: brightness(1.08);
}

.ba-btn-secondary {
  background: var(--surface-2);
  color: var(--text-dim);
  border: 1px solid var(--border);
}

.ba-btn-secondary:hover:not(:disabled) {
  border-color: var(--mint-dim);
  color: var(--text);
}

.ba-btn-violet {
  background: linear-gradient(135deg, var(--violet), var(--violet-dim));
  color: #14101f;
}

.ba-btn-tab {
  padding: 6px 14px;
  border-radius: 6px;
  border: 1px solid var(--border);
  cursor: pointer;
  font-size: 11px;
  font-family: inherit;
  transition: all .15s ease;
  background: transparent;
  color: var(--text-mute);
}

.ba-btn-tab.active {
  background: rgba(33, 224, 176, 0.14);
  border-color: var(--mint);
  color: var(--mint);
}

.ba-btn-tab.active-violet {
  background: rgba(155, 123, 240, 0.14);
  border-color: var(--violet);
  color: var(--violet);
}

.ba-btn-tab.active-coral {
  background: rgba(242, 89, 107, 0.14);
  border-color: var(--coral);
  color: var(--coral);
}

/* ── SECTIONS ───────────────────────────────────────────────── */
.ba-section-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--mint);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.ba-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 8px;
  margin-bottom: 16px;
}

.ba-stat-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
}

.ba-stat-label {
  font-size: 10px;
  color: var(--text-mute);
  margin-bottom: 3px;
}

.ba-stat-val {
  font-size: 14px;
  font-weight: 700;
  color: var(--mint);
}

/* ── TABLE ──────────────────────────────────────────────────── */
.ba-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.ba-th {
  padding: 7px 10px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  color: var(--text-mute);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.ba-td {
  padding: 6px 10px;
  border-bottom: 1px solid var(--border-soft);
  color: #cfd7e3;
}

.ba-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
}

.ba-alert {
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  margin-bottom: 12px;
  font-size: 12px;
}

.ba-alert-warning {
  background: rgba(245, 181, 68, 0.10);
  border: 1px solid rgba(245, 181, 68, 0.30);
  color: var(--amber);
}

.ba-alert-info {
  background: rgba(155, 123, 240, 0.10);
  border: 1px solid rgba(155, 123, 240, 0.22);
  color: #c3b3f7;
}

.ba-alert-mint {
  background: rgba(33, 224, 176, 0.10);
  border: 1px solid rgba(33, 224, 176, 0.22);
  color: var(--mint);
}

.ba-alert-azure {
  background: rgba(62, 199, 224, 0.10);
  border: 1px solid rgba(62, 199, 224, 0.22);
  color: var(--azure);
}

.ba-alert-neutral {
  background: var(--surface-2);
  color: var(--text-mute);
}

.ba-progress {
  height: 10px;
  border-radius: 5px;
  background: var(--border);
  overflow: hidden;
  margin-top: 4px;
}

.ba-progress-fill {
  height: 100%;
  border-radius: 5px;
  transition: width .3s ease;
  background: linear-gradient(90deg, var(--mint), var(--violet));
}

/* ── UPLOAD ─────────────────────────────────────────────────── */
.ba-upload-box {
  background: var(--bg);
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  text-align: center;
  cursor: pointer;
  position: relative;
  transition: border-color .15s ease;
}

.ba-upload-box:hover {
  border-color: var(--mint-dim);
}

/* ── GENERIC LAYOUT HELPERS ────────────────────────────────── */
.ba-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.ba-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.ba-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.ba-grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.ba-grid-autofill { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 8px; }

.ba-row-between {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
}

.ba-scroll-box {
  max-height: 240px;
  overflow-y: auto;
}

@media (max-width: 720px) {
  .ba-grid-2, .ba-grid-3, .ba-grid-4, .ba-grid-5 {
    grid-template-columns: 1fr 1fr;
  }
  .ba-title { font-size: 24px; }
  .ba-header { padding: 44px 0 22px; }
}