@font-face {
  font-family: 'MillenniumVarun';
  src: url('MillenniumVarun Normal.ttf') format('truetype');
}

html, body {
  margin: 0;
  padding: 0;
  font-family: 'Poppins', sans-serif;
  background-color: #fdfbf5;
  background-image: url('bg2.jpeg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  background-repeat: no-repeat;
  color: #333;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

header {
  display: flex;
  justify-content: center;
  padding: 4.5rem 2rem 1rem;
}

.logo {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}
.logo-main {
  font-family: 'Nunito', sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: -0.5px;
}
.logo-shift {
  color: #1e3a8a;
}
.logo-sub {
  font-family: 'Great Vibes', cursive;
  font-size: 1.4rem;
  color: #334155;
}

main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem 1rem;
}

.hero {
  text-align: center;
  margin-bottom: 2.5rem;
}
.hero h1 {
  font-family: 'Nunito', sans-serif;
  font-size: 3rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 0.8rem;
  letter-spacing: 1px;
  text-shadow: 0 4px 15px rgba(255, 255, 255, 0.6);
}
.hero p {
  font-size: 1.1rem;
  color: #334155;
  line-height: 1.6;
  font-weight: 400;
}
.cursive-text {
  font-family: 'Great Vibes', cursive;
  font-size: 1.5rem;
  color: #334155;
}

.converter-card {
  background: rgba(15, 23, 42, 0.35);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.25), inset 0 0 0 1px rgba(255,255,255,0.05);
  width: 100%;
  max-width: 900px;
  overflow: hidden;
  margin-bottom: 2rem;
  position: relative;
}

.card-header {
  text-align: center;
  color: #fff;
  font-weight: 600;
  padding: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  letter-spacing: 1px;
}

.card-body {
  display: flex;
  padding: 1.5rem;
  gap: 1.5rem;
  align-items: stretch;
}

.col {
  display: flex;
  flex-direction: column;
}

.input-col, .output-col {
  flex: 1;
  background-color: #fff;
  border-radius: 8px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
}

.col-title {
  font-weight: 600;
  margin-bottom: 0.8rem;
  font-size: 0.95rem;
  color: #111;
}

textarea, .output-box {
  width: 100%;
  flex: 1;
  min-height: 150px;
  border: none;
  resize: none;
  outline: none;
  font-family: 'Poppins', sans-serif;
  font-size: 0.9rem;
  color: #333;
  background: transparent;
  padding: 0;
  margin-bottom: 1rem;
  line-height: 1.5;
}
textarea::placeholder {
  color: #999;
}
.output-box {
  font-family: 'MillenniumVarun', sans-serif;
  font-size: 1.3rem;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
}
.output-actions {
  justify-content: flex-start;
  gap: 0.5rem;
}

button {
  cursor: pointer;
  font-family: 'Poppins', sans-serif;
  border: none;
  border-radius: 20px;
  padding: 0.4rem 1.2rem;
  font-size: 0.8rem;
  font-weight: 500;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
button:active {
  transform: scale(0.95);
}

.secondary-btn {
  background-color: #f0f0f5;
  color: #333;
}
.secondary-btn:hover { 
  background-color: #e0e0e8;
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

.primary-btn {
  background-color: #1e1e50;
  color: #fff;
}
.primary-btn:hover { 
  background-color: #2c2c6d;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(30,30,80,0.3);
}

#charCount {
  font-size: 0.75rem;
  color: #666;
}

.center-col {
  width: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.convert-icon-btn {
  background: transparent;
  color: #0f172a;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 0;
}
.convert-icon-btn svg {
  width: 54px;
  height: 54px;
}
.convert-icon-btn span {
  font-size: 0.75rem;
  font-weight: 600;
  text-align: center;
  line-height: 1.2;
}
.convert-icon-btn:hover svg {
  transform: rotate(180deg);
  transition: transform 0.5s ease;
}

.info-section {
  max-width: 800px;
  text-align: center;
  margin: 1rem auto 3rem;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.8);
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}
.info-section h2 {
  font-family: 'Nunito', sans-serif;
  color: #0f172a;
  margin-top: 0;
  font-size: 1.8rem;
  margin-bottom: 1rem;
}
.info-section p {
  color: #334155;
  line-height: 1.7;
  font-size: 1.05rem;
  margin-bottom: 0;
}



footer {
  text-align: center;
  padding: 2rem 0;
  font-size: 0.85rem;
  color: #666;
  border-top: 1px solid rgba(0,0,0,0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1000px;
  width: 90%;
  margin: 0 auto;
}
.footer-links a {
  color: #666;
  text-decoration: none;
  margin: 0 0.5rem;
}
.socials {
  display: flex;
  gap: 0.5rem;
}
.socials .icon {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease;
}
.socials .icon:hover {
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  html, body {
    background-image: linear-gradient(rgba(0,0,0,0.45), rgba(0,0,0,0.45)), url('bg-mobile.jpeg');
  }
  header {
    padding: 2.5rem 1rem 1rem;
  }
  .logo-main {
    font-size: 1.8rem;
  }
  .hero h1 {
    font-size: 2rem;
    padding: 0 1rem;
  }
  .hero p {
    font-size: 0.95rem;
    padding: 0 1rem;
  }
  .cursive-text {
    font-size: 1.2rem;
  }
  .converter-card {
    margin: 0 0.5rem 2rem;
    width: auto;
  }
  .card-body {
    flex-direction: column;
    padding: 1rem;
    gap: 1rem;
  }
  .input-col, .output-col {
    width: auto;
    flex: none;
    align-self: stretch;
    min-height: 200px;
    box-sizing: border-box;
  }
  .center-col {
    width: 100%;
    margin: 0.5rem 0;
  }
  .convert-icon-btn {
    color: #fff;
  }
  .convert-icon-btn svg {
    transform: rotate(90deg);
    stroke: #fff !important;
  }
  .convert-icon-btn:hover svg {
    transform: rotate(270deg);
  }
  .info-section {
    padding: 1.5rem 1rem;
    margin: 1rem 1rem 3rem;
  }
  .info-section h2 {
    font-size: 1.4rem;
  }
  footer {
    flex-direction: column;
    gap: 1rem;
  }
  .logo-main, .logo-shift, .logo-sub,
  .hero h1, .hero p,
  .info-section h2, .info-section p,
  .copyright {
    color: #fff !important;
    text-shadow: 0 2px 4px rgba(0,0,0,0.8);
  }
}