/* =========================================
   Length Converter - Glassmorphism Styles
========================================= */

/* --- Main Layout & Ad Spaces --- */
.page-wrapper {
  width: 90%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 6fr 1fr;
  gap: 2rem;
  padding: 60px 0 4rem 0;
  flex: 1;
}

.ad-space-left,
.ad-space-right {
  width: 100%;
  min-height: 600px;
  background: rgba(255, 255, 255, 0.4);
  border: 1px dashed var(--glass-border, rgba(255, 255, 255, 0.7));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted, #475569);
  font-size: 0.8rem;
}

.main-content {
  width: 100%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* --- Glassmorphism Components --- */
.glass-panel {
  background: var(--glass-bg, rgba(255, 255, 255, 0.55));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.7));
  border-radius: 12px;
  padding: 2rem;
  box-shadow: var(--glass-shadow, 0 8px 32px 0 rgba(0, 85, 255, 0.15));
}

.glass-card {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.7));
  border-radius: 8px;
  padding: 1.5rem;
  transition:
    transform 0.2s,
    box-shadow 0.2s;
}

/* --- Background Shapes --- */
.background-shapes {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
}
.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.6;
}
.shape-1 {
  width: 400px;
  height: 400px;
  background: #00a2ff;
  top: -100px;
  left: -100px;
}
.shape-2 {
  width: 500px;
  height: 500px;
  background: #0033cc;
  bottom: -150px;
  right: -100px;
}
.shape-3 {
  width: 300px;
  height: 300px;
  background: #7dd3fc;
  top: 40%;
  left: 30%;
}

/* --- General Typography & Controls --- */
h1 {
  margin-bottom: 1.5rem;
  color: var(--text-dark, #1e293b);
  font-size: 1.8rem;
}
h2 {
  font-size: 1.4rem;
  color: var(--text-dark, #1e293b);
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--glass-border);
  padding-bottom: 0.5rem;
}

.controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
  align-items: end;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.input-group label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-dark, #1e293b);
}
.input-group input,
.input-group select {
  padding: 0.75rem;
  border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.7));
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.8);
  color: var(--text-dark, #1e293b);
  font-family: inherit;
  font-size: 1rem;
  outline: none;
  height: 45px;
  transition: border-color 0.2s ease;
}
.input-group input:focus,
.input-group select:focus {
  border-color: var(--accent, #0055ff);
}

.generate-btn {
  background: var(--accent, #0055ff);
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  height: 45px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition:
    background 0.2s,
    transform 0.1s;
}
.generate-btn:hover {
  background: var(--accent-hover, #0033cc);
}
.generate-btn:active {
  transform: scale(0.98);
}

/* --- Output Result Display --- */
#lc-result {
  width: 100%;
  text-align: center;
  font-size: 1.75rem;
  font-weight: 700;
  margin-top: 1.5rem;
  padding: 1.5rem;
  color: var(--text-dark, #1e293b);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
}

/* --- Information Sections --- */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.info-block h4 {
  font-size: 1.25rem;
  color: var(--accent, #0055ff);
  border-bottom: 2px solid var(--glass-border, rgba(255, 255, 255, 0.7));
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}

.info-block ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.info-block li {
  color: var(--text-muted, #475569);
  font-size: 0.95rem;
}
.info-block li strong {
  color: var(--text-dark, #1e293b);
}

/* --- Mobile Breakpoints --- */
@media (max-width: 1024px) {
  .page-wrapper {
    width: 95%;
    grid-template-columns: 1fr;
  }
  .ad-space-left,
  .ad-space-right {
    display: none;
  }
}
@media (max-width: 768px) {
  .controls {
    grid-template-columns: 1fr;
  }
  .generate-btn {
    max-width: none !important;
  }
}