/* =========================================================================
   FILE: styles.css (Converter)
   PURPOSE: Bloodweb-themed (light/dark via --bw-* tokens)
   AUTHOR: Jack Ewers / bloodweb.net
   LAST UPDATED: 2025-08-31
   ========================================================================= */

/* Base / Reset (keep layout the same) */
::-webkit-scrollbar {
  width: 0;
}
html, body {
  margin: 0; padding: 0;
  font: var(--bw-font);
  color: var(--bw-text);
  background: var(--bw-bg);
  height: 100%;
  overflow-x: hidden;
}

/* ================= Header ================= */
.app-header {
  background: 
    radial-gradient(circle at 20% 20%, rgba(255,255,255,0.1) 1px, transparent 1px),
    radial-gradient(circle at 80% 80%, rgba(255,255,255,0.08) 1px, transparent 1px),
    radial-gradient(circle at 40% 40%, rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(135deg, #1e3a8a 0%, #1e40af 50%, #2563eb 100%);
  background-size: 30px 30px, 25px 25px, 20px 20px, 100% 100%;
  background-position: 0 0, 15px 15px, 5px 5px, 0 0;
  color: white;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 30px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 
    0 4px 20px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.app-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent, 
    rgba(255, 255, 255, 0.1), 
    transparent);
  animation: shimmer 8s infinite;
}

.app-header::after {
  display: none;
}

@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}

.header-title-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  position: relative;
  z-index: 2;
}

.app-header h1 {
  font-size: 2.5em;
  font-weight: 700;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  letter-spacing: 1px;
  margin: 0;
  color: white;
}

.title-subtitle {
  font-size: 0.9em;
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: 0.8;
  color: rgba(255, 255, 255, 0.9);
}

/* Toggle Buttons */
button.toggle{
  all: unset;
  display: inline-flex; 
  align-items: center; 
  justify-content: center;
  width: 2.5em; 
  height: 2.5em; 
  font-size: 1.2em;
  cursor: pointer; 
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
  position: relative;
  z-index: 3;
}

button.toggle:hover { 
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.3);
}

button.toggle:active {
  transform: translateY(0);
}

#toggle-settings:hover, #toggle-nav:hover { 
  background: rgba(255, 255, 255, 0.2);
}

/* ================= Layout ================= */
.app-container {
  position: relative;
  width: 100%;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 280px;
  height: 100dvh;
  background: 
    radial-gradient(circle at 20% 30%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
    linear-gradient(180deg, 
      rgba(15, 15, 15, 0.95) 0%, 
      rgba(30, 30, 40, 0.95) 50%, 
      rgba(20, 20, 30, 0.95) 100%),
    var(--bw-surface);
  backdrop-filter: blur(10px);
  color: var(--bw-text);
  padding: 1.5rem 0 1rem 0;
  box-sizing: border-box;
  overflow-y: auto;
  overflow-x: hidden;
  transition: transform .3s ease, opacity .3s ease;
  z-index: 10; 
  position: fixed; 
  top: 0; 
  bottom: 0; 
  left: 0;
  border-right: 2px solid var(--bw-nav-border);
  box-shadow: 
    8px 0 32px rgba(0, 0, 0, 0.5),
    4px 0 16px var(--bw-nav-border),
    inset -1px 0 0 var(--bw-nav-border),
    inset 0 0 100px var(--bw-nav-hover);
}

.sidebar::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: 
    radial-gradient(circle at 30% 40%, rgba(124, 58, 237, 0.1) 0%, transparent 30%),
    radial-gradient(circle at 70% 60%, rgba(59, 130, 246, 0.08) 0%, transparent 40%);
  animation: subtlePulse 8s ease-in-out infinite;
  pointer-events: none;
}

.sidebar::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 3px; height: 100%;
  background: linear-gradient(180deg, 
    rgba(124, 58, 237, 0.8), 
    rgba(124, 58, 237, 0.3), 
    rgba(59, 130, 246, 0.4),
    rgba(124, 58, 237, 0.3),
    rgba(124, 58, 237, 0.8));
  box-shadow: 
    0 0 10px rgba(124, 58, 237, 0.5),
    inset 0 0 5px rgba(255, 255, 255, 0.2);
}

@keyframes subtlePulse {
  0%, 100% { 
    opacity: 0.6; 
    transform: scale(1) rotate(0deg); 
  }
  50% { 
    opacity: 0.8; 
    transform: scale(1.05) rotate(1deg); 
  }
}

.sidebar h1 {
  margin: 0 0 1.5rem 0;
  font-size: 1.4rem;
  display: flex; align-items: center; gap: .5rem;
  color: var(--bw-text);
  padding: 0 1.5rem;
  text-shadow: 
    0 2px 4px rgba(0,0,0,0.6),
    0 0 20px rgba(124, 58, 237, 0.3);
  position: relative;
  z-index: 2;
}

.sidebar h1::before {
  content: "\1F4CA"; /* 📊 */
  font-size: 1.5rem; 
  opacity: .9;
  filter: drop-shadow(0 0 8px rgba(124, 58, 237, 0.6));
  animation: iconGlow 3s ease-in-out infinite alternate;
}

@keyframes iconGlow {
  0% { 
    filter: drop-shadow(0 0 8px rgba(124, 58, 237, 0.6));
  }
  100% { 
    filter: drop-shadow(0 0 12px rgba(124, 58, 237, 0.8));
  }
}

.sidebar.hidden { transform: translateX(-100%); opacity: 0; pointer-events: none; }

/* Enhanced Sidebar Scrollbar */
.sidebar::-webkit-scrollbar {
  width: 8px;
}

.sidebar::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 4px;
}

.sidebar::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, 
    var(--bw-nav-border),
    var(--bw-nav-hover));
  border-radius: 4px;
  box-shadow: inset 0 0 3px var(--bw-line);
}

.sidebar::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, 
    var(--bw-nav-border),
    var(--bw-nav-active));
}

/* Mobile Overlay Backdrop */
@media (max-width: 768px) {
  body:not(.sidebar-hidden)::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 5;
    backdrop-filter: blur(2px);
  }
  
  .sidebar {
    z-index: 1000;
  }
}

/* Navigation Items Container */
#nav-items {
  list-style: none;
  padding: 0 0 2rem 0; /* Add bottom padding for scrolling */
  margin: 0;
  position: relative;
  z-index: 2;
}

#nav-items::before {
  content: '';
  position: absolute;
  width:100%;
  top: -10px; left: 0; right: 0; bottom: -10px;
  background: 
    radial-gradient(ellipse at top, var(--bw-nav-hover) 0%, transparent 70%),
    radial-gradient(ellipse at bottom, var(--bw-muted-bg) 0%, transparent 70%);
  /* border-radius: 15px; */
  /* border: 1px solid var(--bw-line); */
  box-shadow: 
    inset 0 1px 0 var(--bw-line),
    0 2px 10px var(--bw-nav-hover);
  z-index: -1;
  backdrop-filter: blur(5px);
}

/* Category Headers */
.nav-category-header {
  margin: 1.5rem 0 0.5rem 0;
  padding: 0;
  list-style: none;
}

.nav-category-header:first-child {
  margin-top: 0;
}

.category-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 8px 1.5rem;
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--bw-accent);
  background: linear-gradient(90deg, 
    var(--bw-nav-hover), 
    var(--bw-muted-bg));
  border: none;
  border-top: 1px solid var(--bw-nav-border);
  border-bottom: 1px solid var(--bw-line);
  position: relative;
  cursor: pointer;
  transition: all 0.2s ease;
}

.category-toggle:hover {
  background: linear-gradient(90deg, 
    var(--bw-nav-active), 
    var(--bw-nav-hover));
  color: var(--bw-accent);
}

.category-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.dropdown-arrow {
  font-size: 0.8rem;
  transition: transform 0.2s ease;
  color: var(--bw-subtle);
}

.dropdown-arrow.expanded {
  transform: rotate(180deg);
}

.category-toggle::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  height: 1px;
  width: 60%;
  background: linear-gradient(90deg, 
    var(--bw-nav-border), 
    transparent);
}

.category-icon {
  font-size: 1.1em;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.3));
}

.category-name {
  font-weight: 800;
  text-shadow: 
    0 1px 2px rgba(0,0,0,0.5),
    0 0 8px rgba(0,0,0,0.3);
  -webkit-text-stroke: 0.5px rgba(255,255,255,0.15);
}

/* Category Items Container */
.nav-category-items {
  list-style: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  transition: all 0.3s ease;
}

.category-items-container {
  padding: 0.5rem 0;
}

/* Category Items */
.nav-category-item {
  margin: 2px 0;
  padding: 0 1rem;
  list-style: none;
}

.nav-category-item button {
  display: flex; align-items: center; width: 100%;
  padding: 12px 16px; margin: 0; cursor: pointer; text-align: left;
  border: 1px solid var(--bw-line); 
  border-radius: 8px;
  background: linear-gradient(135deg, 
    var(--bw-muted-bg), 
    rgba(255, 255, 255, 0.02));
  color: var(--bw-text);
  font-size: 0.95rem; 
  gap: 8px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  font-weight: 500;
}

.nav-category-item button::before { 
  content: "•"; 
  font-size: 1.2rem; 
  opacity: 0.6;
  color: var(--bw-accent);
  margin-right: 4px;
}

.nav-category-item button::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, 
    transparent, 
    var(--bw-nav-hover), 
    transparent);
  transition: left 0.6s ease;
}

.nav-category-item button:hover {
  background: linear-gradient(135deg, 
    var(--bw-nav-active), 
    var(--bw-nav-hover));
  border-color: var(--bw-nav-border);
  transform: translateX(4px);
  box-shadow: 
    -2px 0 8px var(--bw-nav-border),
    inset 1px 0 0 var(--bw-line);
}

.nav-category-item button:hover::after {
  left: 100%;
}

.nav-category-item button.active {
  background: linear-gradient(135deg, 
    var(--bw-nav-active), 
    var(--bw-nav-hover));
  border-color: var(--bw-nav-border);
  color: var(--bw-text);
  font-weight: 600;
  transform: translateX(6px);
  box-shadow: 
    -3px 0 12px var(--bw-nav-border),
    inset 1px 0 0 var(--bw-line);
}

.nav-category-item button.active::before {
  content: "▶";
  color: var(--bw-accent);
  opacity: 1;
}

/* ================= Main Content ================= */
.main-content {
  margin-left: 280px; /* Account for sidebar width */
  width: calc(100% - 280px);
  min-height: 100vh;
  padding: 2rem 2rem 2rem 2rem;
  box-sizing: border-box; 
  background: var(--bw-bg);
  transition: margin-left 0.3s ease, width 0.3s ease;
}

/* Mobile responsive behavior */
@media (max-width: 768px) {
  .main-content {
    margin-left: 0;
    width: 100%;
    transition: filter 0.3s ease;
  }
  
  /* Blur main content when sidebar is visible on mobile */
  body:not(.sidebar-hidden) .main-content {
    filter: blur(3px);
    pointer-events: none;
  }
  
  /* Sidebar should overlay on mobile, not push content */
  .sidebar {
    position: fixed;
    z-index: 1000;
  }
}

/* When sidebar is hidden on desktop, expand main content */
@media (min-width: 769px) {
  body.sidebar-hidden .main-content {
    margin-left: 0;
    width: 100%;
  }
}

.main-header h2 {
  margin: 0 0 1rem 0;
  font-size: 1.75rem;
  color: var(--bw-text);
}

/* Card/Block */
.converter-block {
  background: linear-gradient(145deg, 
    rgba(255, 255, 255, 0.15) 0%,
    rgba(255, 255, 255, 0.1) 50%,
    rgba(255, 255, 255, 0.05) 100%);
  padding: 24px; 
  border-radius: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  box-shadow: 
    0 20px 50px rgba(0,0,0,.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.3),
    0 0 0 1px rgba(255, 255, 255, 0.1);
  margin-bottom: 24px; 
  max-width: 500px;
  color: var(--bw-text);
  position: relative;
  overflow: hidden;
  transition: all 0.4s ease;
}

.converter-block::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  right: 0; bottom: 0;
  background: linear-gradient(45deg, 
    transparent 30%, 
    rgba(255,255,255,0.1) 50%, 
    transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.converter-block:hover::before {
  opacity: 1;
}

.converter-block:hover {
  transform: translateY(-8px);
  box-shadow: 
    0 25px 60px rgba(0,0,0,.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.4),
    0 0 0 2px rgba(255, 255, 255, 0.3);
}

.converter-block label {
  display: block; margin-top: 20px; margin-bottom: 8px;
  font-weight: 700; 
  color: var(--bw-text);
  font-size: 1.1em;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.converter-block input,
.converter-block select,
.converter-block button {
  width: 100%; padding: 16px 20px; margin-bottom: 12px; font-size: 1rem;
  box-sizing: border-box; border-radius: 15px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.15); 
  color: var(--bw-text);
  transition: all 0.3s ease;
  box-shadow: 
    0 4px 15px rgba(0, 0, 0, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.converter-block input:focus,
.converter-block select:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.25);
  box-shadow: 
    0 8px 25px rgba(0, 0, 0, 0.3),
    0 0 0 4px rgba(255, 255, 255, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.converter-block input::placeholder {
  color:var(--bw-subtle);
  font-weight: lighter;
}

/* Select option styling - always black text on white background */
.converter-block select option,
.gauge-select option,
.image-converter-block select option,
.resize-method select option,
.input-group select option,
.time-input select option,
.currency-selector select option {
  background: #ffffff !important;
  color: #000000 !important;
}

/* Universal option styling for all selects */
select option {
  background: #ffffff !important;
  color: #000000 !important;
}

/* Primary action buttons inside blocks */
.converter-block button {
  border: 2px solid rgba(255,255,255,.4);
  background: linear-gradient(135deg, 
    #2563eb 0%, #1e40af 50%, #1e3a8a 100%);
  color: #fff; 
  font-weight: 700;
  font-size: 1.1em;
  padding: 18px 24px;
  border-radius: 20px;
  box-shadow: 
    0 8px 25px rgba(37,99,235,.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.converter-block button::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  transition: left 0.6s ease;
}

.converter-block button:hover::before {
  left: 100%;
}

.converter-block button:hover { 
  transform: translateY(-4px) scale(1.02); 
  filter: brightness(1.15) saturate(1.2);
  box-shadow: 
    0 15px 35px rgba(37,99,235,.6),
    inset 0 1px 0 rgba(255, 255, 255, 0.4),
    0 0 0 6px rgba(255, 255, 255, 0.2);
}

.converter-block button:active {
  transform: translateY(-2px) scale(1.01);
}

.input-row { display: flex; gap: .5rem; }
.input-row input  { flex: 2; }
.input-row select { flex: 1; }

.result-container { margin-top: 1rem; font-size: 1.2rem; color: var(--bw-text); }

/* ================= Footer ================= */
.main-footer {
  margin-top: 2rem; font-size: .9rem; color: var(--bw-subtle);
}

/* ================= Notification ================= */
.app-notification {
  position: fixed; bottom: 20px; right: 20px;
  background: var(--bw-elev); color: var(--bw-text);
  padding: 1rem 1.5rem; border-radius: 10px;
  border: 1px solid var(--bw-line);
  box-shadow: 0 10px 30px rgba(0,0,0,.35);
  font-size: .95rem; z-index: 30;
}

/* ================= Gauger Converter ================= */
.gauge-block { margin-top: 1rem; }
.gauge-block label { display: block; margin-top: .75rem; font-weight: 700; color: var(--bw-text); }
.gauge-block input {
  width: 100%; padding: .6rem .75rem; font-size: 1rem; margin-top: .25rem; box-sizing: border-box;
  border-radius: 8px; border: 1px solid var(--bw-line); background: var(--bw-elev); color: var(--bw-text);
}
.gauge-select {
  width: 100%; font-size: 1.1rem; padding: .6rem .75rem; margin-top: .25rem;
  border-radius: 8px; border: 1px solid var(--bw-line); background: var(--bw-elev); color: var(--bw-text);
}

/* ================= Temp Converter ================= */
.temp-block { margin-top: 1rem; }
.temp-block label { display: block; margin-top: .75rem; font-weight: 700; color: var(--bw-text); }
.temp-block .temp-input {
  width: 100%; font-size: 1rem; padding: .6rem .75rem; margin-top: .25rem; box-sizing: border-box;
  border-radius: 8px; border: 1px solid var(--bw-line); background: var(--bw-elev); color: var(--bw-text);
}

/* ================= Color Name ================= */
.color-block { margin-top: 1rem; }
.color-block label { display: block; margin-top: .5rem; font-weight: 700; color: var(--bw-text); }
.color-block input {
  width: 100%; font-size: 1rem; padding: .6rem .75rem; margin-top: .25rem; box-sizing: border-box;
  border-radius: 8px; border: 1px solid var(--bw-line); background: var(--bw-elev); color: var(--bw-text);
}

.color-preview-row { display: flex; align-items: center; margin-top: 1rem; gap: 1rem; }
.color-preview {
  width: 64px; height: 64px; border-radius: 8px;
  border: 1px solid var(--bw-line);
  background: var(--bw-surface);
}
.color-info p { margin: .2rem 0; font-size: .95rem; color: var(--bw-subtle); }

.input-format-hints {
  margin: 0.5rem 0 1rem 0;
  padding: 8px 12px;
  background: rgba(147, 51, 234, 0.1);
  border: 1px solid rgba(147, 51, 234, 0.2);
  border-radius: 6px;
}

.input-format-hints small {
  color: var(--bw-subtle);
  font-size: 0.85rem;
  line-height: 1.4;
}

/* ================= Image Converter ================= */
.image-converter-block input[type="file"],
.image-converter-block select {
  font-size: 1.05rem; margin-bottom: 10px;
  border-radius: 8px; border: 1px solid var(--bw-line);
  background: var(--bw-elev); color: var(--bw-text);
}

#img-download-link {
  display: inline-block; margin-top: 15px; padding: 8px 12px;
  background: linear-gradient(90deg, var(--bw-accent), var(--bw-accent-2));
  color: #fff; text-decoration: none; border-radius: 8px;
  box-shadow: 0 6px 16px rgba(124,58,237,.28);
  transition: transform var(--bw-fast), filter var(--bw-fast);
}
#img-download-link:hover { transform: translateY(-1px); filter: brightness(1.05); }
#img-download-link.hidden { display: none; }

#quality-wrapper { margin-top: 10px; }
#quality-wrapper.hidden { display: none; }
#img-quality { width: 100%; }

/* ================= Enhanced Image Converter Styles ================= */
.image-converter-block {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.upload-section {
  border: 2px dashed var(--bw-line);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  background: var(--bw-elev);
  transition: border-color var(--bw-fast);
}

.upload-section:hover {
  border-color: var(--bw-accent);
}

.upload-info {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  color: var(--bw-text-muted);
}

.conversion-options {
  display: grid;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--bw-elev);
  border-radius: 12px;
  border: 1px solid var(--bw-line);
}

.option-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.option-group label {
  font-weight: 500;
  color: var(--bw-text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.option-group small {
  color: var(--bw-text-muted);
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

.resize-controls {
  display: grid;
  gap: 1rem;
  margin-top: 0.5rem;
}

.resize-method select {
  padding: 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--bw-line);
  background: var(--bw-bg);
  color: var(--bw-text);
}

.resize-input {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.resize-input input[type="number"] {
  width: 100px;
  padding: 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--bw-line);
  background: var(--bw-bg);
  color: var(--bw-text);
}

.resize-input input[type="range"] {
  flex: 1;
  min-width: 150px;
}

.preview-section {
  text-align: center;
}

.image-info {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--bw-elev);
  border-radius: 8px;
  border: 1px solid var(--bw-line);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.75rem;
}

.info-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem;
  background: var(--bw-bg);
  border-radius: 6px;
}

.info-label {
  font-weight: 500;
  color: var(--bw-text-muted);
}

.info-value {
  font-weight: 600;
  color: var(--bw-text);
}

.download-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.download-btn {
  display: inline-block;
  padding: 12px 24px;
  background: linear-gradient(90deg, var(--bw-accent), var(--bw-accent-2));
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 500;
  text-align: center;
  box-shadow: 0 6px 16px rgba(124,58,237,.28);
  transition: all var(--bw-fast);
}

.download-btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
  box-shadow: 0 8px 20px rgba(124,58,237,.35);
}

.batch-downloads {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--bw-elev);
  border-radius: 12px;
  border: 1px solid var(--bw-line);
}

.batch-downloads h4 {
  margin: 0 0 1rem 0;
  color: var(--bw-text);
  font-size: 1.1rem;
}

.batch-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background: var(--bw-bg);
  border-radius: 8px;
  border: 1px solid var(--bw-line);
  gap: 1rem;
}

.batch-item-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex: 1;
}

.filename {
  font-weight: 500;
  color: var(--bw-text);
}

.size-info {
  font-size: 0.9rem;
  color: var(--bw-text-muted);
}

.batch-download-btn {
  padding: 8px 16px;
  background: var(--bw-accent);
  color: white;
  text-decoration: none;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--bw-fast);
  white-space: nowrap;
}

.batch-download-btn:hover {
  background: var(--bw-accent-2);
  transform: translateY(-1px);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .conversion-options {
    padding: 1rem;
  }
  
  .info-grid {
    grid-template-columns: 1fr;
  }
  
  .batch-item {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }
  
  .resize-input {
    flex-direction: column;
    align-items: stretch;
  }
  
  .resize-input input[type="number"] {
    width: 100%;
  }
}

/* ================= File Converter Styles ================= */
.file-converter-block .converter-section {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.file-converter-block h3 {
  margin: 0 0 1rem 0;
  color: var(--bw-accent);
  border-bottom: 2px solid var(--bw-accent);
  padding-bottom: 0.5rem;
}

.file-converter-block h4 {
  margin: 0 0 0.75rem 0;
  color: var(--bw-text);
  font-size: 1.1rem;
}

.file-converter-block .description {
  margin: 0 0 1rem 0;
  color: var(--bw-text-muted);
  font-style: italic;
}

.file-input-section, .compression-section, .action-section {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* Drag and Drop Zone */
.drop-zone {
  border: 2px dashed var(--bw-line);
  border-radius: var(--bw-radius);
  background: var(--bw-elev);
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.drop-zone:hover {
  border-color: var(--bw-accent);
  background: var(--bw-surface);
  transform: translateY(-2px);
}

.drop-zone.drag-over {
  border-color: var(--bw-accent);
  background: linear-gradient(135deg, 
    rgba(124, 58, 237, 0.1), 
    rgba(168, 85, 247, 0.1));
  transform: scale(1.02);
  box-shadow: 0 8px 25px rgba(124, 58, 237, 0.2);
}

.drop-zone-content {
  pointer-events: none;
}

.drop-zone-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.6;
  transition: all 0.3s ease;
}

.drop-zone:hover .drop-zone-icon,
.drop-zone.drag-over .drop-zone-icon {
  opacity: 1;
  transform: scale(1.1);
}

.drop-zone-text {
  font-size: 1.1rem;
  color: var(--bw-text);
  margin-bottom: 0.5rem;
}

.browse-btn {
  background: none;
  border: none;
  color: var(--bw-accent);
  text-decoration: underline;
  cursor: pointer;
  font-size: inherit;
  font-family: inherit;
  padding: 0;
  pointer-events: all;
}

.browse-btn:hover {
  color: var(--bw-accent-2);
  text-decoration: none;
}

.drop-zone-hint {
  font-size: 0.9rem;
  color: var(--bw-text-muted);
  font-style: italic;
}

.compression-section {
  background: var(--bw-elev);
  border: 1px solid var(--bw-line);
  border-radius: var(--bw-radius);
  padding: 1rem;
  margin-top: 0.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 0.75rem;
}

.form-group label {
  font-weight: 500;
  color: var(--bw-text);
}

.form-group input[type="range"] {
  width: 100%;
  margin: 0.5rem 0;
}

.form-group small {
  color: var(--bw-text-muted);
  font-style: italic;
}

.file-list {
  background: var(--bw-elev);
  border: 1px solid var(--bw-line);
  border-radius: var(--bw-radius);
  padding: 1rem;
  max-height: 200px;
  overflow-y: auto;
}

.file-list.hidden {
  display: none;
}

.file-list ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* ================= Interest Calculator Styles ================= */
.interest-calculator-block {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.calculator-modes {
  border-bottom: 1px solid var(--bw-line);
}

.mode-tabs {
  display: flex;
  gap: 0;
  background: var(--bw-elev);
  border-radius: 8px 8px 0 0;
  overflow: hidden;
}

.mode-tab {
  flex: 1;
  padding: 1rem;
  border: none;
  background: var(--bw-elev);
  color: var(--bw-text-muted);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--bw-fast);
  border-bottom: 3px solid transparent;
}

.mode-tab:hover {
  background: var(--bw-bg);
  color: var(--bw-text);
}

.mode-tab.active {
  background: var(--bw-bg);
  color: var(--bw-accent);
  border-bottom-color: var(--bw-accent);
}

.calculator-section {
  padding: 1.5rem;
  background: var(--bw-elev);
  border-radius: 0 0 12px 12px;
  border: 1px solid var(--bw-line);
  border-top: none;
}

.input-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.input-group label {
  font-weight: 500;
  color: var(--bw-text);
  font-size: 0.95rem;
}

.input-group input[type="number"],
.input-group select {
  padding: 0.75rem;
  border: 1px solid var(--bw-line);
  border-radius: 6px;
  background: var(--bw-bg);
  color: var(--bw-text);
  font-size: 1rem;
  transition: border-color var(--bw-fast);
}

.input-group input[type="number"]:focus,
.input-group select:focus {
  outline: none;
  border-color: var(--bw-accent);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.input-group small {
  color: var(--bw-text-muted);
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

.input-hint {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.85rem;
  color: var(--bw-text-muted);
  font-style: italic;
  opacity: 0.8;
}

.input-group input::placeholder {
  color: var(--bw-text-muted);
  opacity: 0.6;
  font-style: italic;
}

.time-input {
  display: flex;
  gap: 0.5rem;
}

.time-input input {
  flex: 2;
}

.time-input select {
  flex: 1;
}

.calculate-section {
  text-align: center;
}

.calculate-btn {
  padding: 12px 32px;
  background: linear-gradient(90deg, var(--bw-accent), var(--bw-accent-2));
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--bw-fast);
  box-shadow: 0 6px 16px rgba(124,58,237,.28);
}

.calculate-btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
  box-shadow: 0 8px 20px rgba(124,58,237,.35);
}

.results-section {
  padding: 2rem;
  background: var(--bw-elev);
  border-radius: 12px;
  border: 1px solid var(--bw-line);
  margin-top: 1rem;
}

.results-header h3 {
  margin: 0 0 1.5rem 0;
  color: var(--bw-text);
  text-align: center;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.result-card {
  padding: 1.5rem;
  background: var(--bw-bg);
  border-radius: 8px;
  border: 1px solid var(--bw-line);
  text-align: center;
  transition: transform var(--bw-fast);
}

.result-card:hover {
  transform: translateY(-2px);
}

.result-card.primary {
  background: linear-gradient(135deg, var(--bw-accent), var(--bw-accent-2));
  color: white;
  border-color: var(--bw-accent);
}

.result-label {
  font-size: 0.9rem;
  font-weight: 500;
  opacity: 0.8;
  margin-bottom: 0.5rem;
}

.result-value {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
}

.calculation-breakdown {
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--bw-bg);
  border-radius: 8px;
  border: 1px solid var(--bw-line);
}

.calculation-breakdown h4 {
  margin: 0 0 1rem 0;
  color: var(--bw-text);
}

.calculation-breakdown p {
  margin: 0.5rem 0;
  color: var(--bw-text);
  line-height: 1.5;
}

.chart-container {
  margin-top: 2rem;
}

.chart-container h4 {
  margin: 0 0 1rem 0;
  color: var(--bw-text);
  text-align: center;
}

.chart-legend {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--bw-text);
}

.legend-color {
  width: 16px;
  height: 16px;
  border-radius: 3px;
}

.legend-color.contributions {
  background: var(--bw-accent);
}

.legend-color.interest {
  background: var(--bw-accent-2);
}

.chart-bars {
  display: flex;
  justify-content: space-around;
  align-items: flex-end;
  height: 200px;
  padding: 1rem;
  background: var(--bw-bg);
  border-radius: 8px;
  border: 1px solid var(--bw-line);
  gap: 0.5rem;
}

.chart-bar {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  max-width: 80px;
}

.bar-container {
  position: relative;
  width: 100%;
  height: 150px;
  display: flex;
  align-items: flex-end;
}

.bar-interest,
.bar-contributions {
  width: 45%;
  border-radius: 4px 4px 0 0;
  transition: all var(--bw-fast);
}

.bar-contributions {
  background: var(--bw-accent);
  margin-right: 2px;
}

.bar-interest {
  background: var(--bw-accent-2);
}

.bar-label {
  font-size: 0.8rem;
  color: var(--bw-text-muted);
  margin-top: 0.5rem;
  text-align: center;
}

.bar-value {
  font-size: 0.75rem;
  color: var(--bw-text);
  font-weight: 500;
  text-align: center;
  margin-top: 0.25rem;
}

.finance-theory {
  padding: 1.5rem;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(139, 92, 246, 0.1));
  border-radius: 12px;
  border: 1px solid rgba(124, 58, 237, 0.2);
}

.finance-theory h4 {
  margin: 0 0 1rem 0;
  color: var(--bw-accent);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.finance-theory p {
  margin: 0.75rem 0;
  color: var(--bw-text);
  line-height: 1.6;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .input-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .results-grid {
    grid-template-columns: 1fr;
  }
  
  .mode-tabs {
    flex-direction: column;
  }
  
  .chart-bars {
    height: 150px;
    padding: 0.5rem;
  }
  
  .bar-container {
    height: 100px;
  }
  
  .chart-legend {
    flex-direction: column;
    gap: 0.5rem;
  }
}

.file-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--bw-line);
}

.file-list li:last-child {
  border-bottom: none;
}

.file-name {
  font-weight: 500;
  flex: 1;
  color: var(--bw-text);
}

.file-size, .file-type {
  font-size: 0.85rem;
  color: var(--bw-text-muted);
  margin-left: 0.5rem;
}

.file-stats {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--bw-line);
  font-size: 0.9rem;
  color: var(--bw-text-muted);
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--bw-line);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.progress-bar #progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--bw-accent), var(--bw-accent-2));
  transition: width 0.3s ease;
}

#progress-section {
  margin-top: 1rem;
}

#progress-section.hidden {
  display: none;
}

#progress-text {
  font-size: 0.9rem;
  color: var(--bw-text-muted);
}

.download-section {
  background: var(--bw-success-bg, #e8f5e8);
  border: 1px solid var(--bw-success-border, #4caf50);
  border-radius: var(--bw-radius);
  padding: 1rem;
  text-align: center;
}

.download-section.hidden {
  display: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--bw-radius);
  font-family: inherit;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn.primary {
  background: linear-gradient(90deg, var(--bw-accent), var(--bw-accent-2));
  color: white;
}

.btn.primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(124,58,237,0.3);
}

.btn.success {
  background: linear-gradient(90deg, #4caf50, #45a049);
  color: white;
}

.btn.success:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(76,175,80,0.3);
}

.file-details {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  color: var(--bw-text-muted);
}

.file-info small {
  color: var(--bw-text-muted);
  font-style: italic;
}

/* ================= Universal Unit Converter ================= */
.unit-group {
  margin-bottom: 1rem;
}

.unit-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--bw-text);
}

.results-display {
  margin-top: 1.5rem;
  transition: all 0.3s ease;
}

.results-display.hidden {
  display: none;
}

.result-card {
  background: linear-gradient(135deg, var(--bw-surface), var(--bw-elev));
  border: 1px solid var(--bw-accent);
  border-radius: var(--bw-radius);
  padding: 1rem;
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.15);
}

.result-card h4 {
  margin: 0 0 1rem 0;
  color: var(--bw-accent);
  font-size: 1.1rem;
}

.result-grid {
  display: grid;
  gap: 0.75rem;
}

.result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem;
  background: var(--bw-elev);
  border-radius: var(--bw-radius-sm);
  border: 1px solid var(--bw-line);
}

.result-label {
  font-weight: 500;
  color: var(--bw-text-muted);
}

.result-value {
  font-weight: 600;
  color: var(--bw-text);
  text-align: right;
}

.gauge-result .result-value {
  color: var(--bw-accent);
}

/* Color Theory Styles */
.color-theory-content {
  display: grid;
  gap: 0.75rem;
}

.theory-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.75rem;
  background: var(--bw-elev);
  border-radius: var(--bw-radius-sm);
  border: 1px solid var(--bw-line);
}

.theory-label {
  font-weight: 600;
  color: var(--bw-accent);
  font-size: 0.9rem;
}

.theory-value {
  color: var(--bw-text);
  line-height: 1.5;
  font-size: 0.95rem;
}

.button.secondary {
  background: var(--bw-elev);
  color: var(--bw-text);
  border: 1px solid var(--bw-line);
  padding: 0.75rem 1rem;
  border-radius: var(--bw-radius);
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}

.button.secondary:hover {
  background: var(--bw-surface);
  border-color: var(--bw-accent);
  transform: translateY(-1px);
}

/* ================= Compact mode (optional) ================= */
:root.compact-mode .converter-block { padding: .8rem; }
:root.compact-mode .converter-block input,
:root.compact-mode .converter-block select,
:root.compact-mode .converter-block button { padding: .5rem .6rem; }
:root.compact-mode #nav-items button { padding: .45rem .8rem; }

/* ================= Currency Converter Styles ================= */
.currency-converter-block {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.currency-input-section {
  background: var(--bw-elev);
  border-radius: 12px;
  border: 1px solid var(--bw-line);
  padding: 1.5rem;
}

.currency-selectors {
  display: flex;
  align-items: end;
  gap: 1rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.currency-selector {
  flex: 1;
  min-width: 200px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.currency-selector label {
  font-weight: 500;
  color: var(--bw-text);
  font-size: 0.9rem;
}

.currency-selector select {
  padding: 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--bw-line);
  background: var(--bw-bg);
  color: var(--bw-text);
  font-size: 1rem;
  width: 100%;
}

.swap-btn {
  background: var(--bw-accent);
  color: white;
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  transition: all var(--bw-fast);
  flex-shrink: 0;
  align-self: flex-end;
  margin-bottom: 2px;
}

.swap-btn:hover {
  background: var(--bw-accent-2);
  transform: rotate(180deg);
}

.currency-results {
  background: var(--bw-elev);
  border-radius: 12px;
  border: 1px solid var(--bw-line);
  padding: 1.5rem;
}

.conversion-result {
  text-align: center;
}

.result-amount {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--bw-text);
  margin-bottom: 0.5rem;
}

.exchange-rate {
  font-size: 1rem;
  color: var(--bw-text-muted);
  margin-bottom: 0.75rem;
}

.rate-info {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
}

.rate-info small {
  color: var(--bw-text-muted);
  font-size: 0.85rem;
}

.cash-breakdown {
  background: var(--bw-elev);
  border-radius: 12px;
  border: 1px solid var(--bw-line);
  padding: 1.5rem;
}

.cash-breakdown h4 {
  margin: 0 0 0.5rem 0;
  color: var(--bw-text);
  font-size: 1.1rem;
}

.breakdown-intro {
  color: var(--bw-text-muted);
  margin: 0 0 1rem 0;
  font-size: 0.95rem;
}

.denomination-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.denomination-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem;
  background: var(--bw-bg);
  border-radius: 8px;
  border: 1px solid var(--bw-line);
  transition: all var(--bw-fast);
}

.denomination-item:hover {
  border-color: var(--bw-accent);
  transform: translateY(-1px);
}

.denomination-item.note {
  border-left: 3px solid #4ade80;
}

.denomination-item.coin {
  border-left: 3px solid #fbbf24;
}

.denom-icon {
  font-size: 1.1rem;
}

.denom-count {
  font-weight: 600;
  color: var(--bw-text);
  min-width: 30px;
}

.denom-value {
  font-weight: 500;
  color: var(--bw-accent);
}

.breakdown-note {
  text-align: center;
  margin-top: 1rem;
}

.breakdown-note small {
  color: var(--bw-text-muted);
  font-size: 0.8rem;
  font-style: italic;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .currency-selectors {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }
  
  .currency-selector {
    min-width: unset;
  }
  
  .swap-btn {
    align-self: center;
    margin: 0.5rem 0;
  }
  
  .denomination-list {
    grid-template-columns: 1fr;
  }
  
  .currency-input-section,
  .currency-results,
  .cash-breakdown {
    padding: 1rem;
  }
}

@media (max-width: 480px) {
  .currency-selectors {
    gap: 0.75rem;
  }
  
  .currency-selector select {
    padding: 0.6rem;
    font-size: 0.95rem;
  }
  
  .swap-btn {
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
  }
}

/* ================= Settings Control Classes ================= */
.settings-hidden {
  display: none !important;
}

/* ================= Header Responsive Styles ================= */
@media (max-width: 768px) {
  .app-header {
    padding: 15px 20px;
    flex-wrap: nowrap;
  }
  
  .app-header h1 {
    font-size: 1.8em;
    flex: 1;
    min-width: 0;
  }
  
  .title-subtitle {
    font-size: 0.8em;
    letter-spacing: 1px;
  }
  
  button.toggle {
    width: 2.2em;
    height: 2.2em;
    font-size: 1.1em;
    flex-shrink: 0;
  }
}

@media (max-width: 480px) {
  .app-header {
    padding: 12px 15px;
  }
  
  .app-header h1 {
    font-size: 1.5em;
  }
  
  .title-subtitle {
    font-size: 0.75em;
    letter-spacing: 0.5px;
  }
  
  button.toggle {
    width: 2em;
    height: 2em;
    font-size: 1em;
  }
}

@media (max-width: 360px) {
  .app-header {
    padding: 10px 12px;
  }
  
  .app-header h1 {
    font-size: 1.3em;
  }
  
  .title-subtitle {
    font-size: 0.7em;
    letter-spacing: 0.5px;
  }
  
  button.toggle {
    width: 1.8em;
    height: 1.8em;
    font-size: 0.9em;
  }
}

/* ================= Request Converter Button ================= */
.nav-request-item {
  margin-top: 1.5rem !important;
  padding: 0 1rem;
  border-top: 1px solid rgba(124, 58, 237, 0.3);
  padding-top: 1rem;
}

.request-converter-btn {
  background: linear-gradient(135deg, 
    rgba(34, 197, 94, 0.2), 
    rgba(16, 185, 129, 0.1)) !important;
  border-color: rgba(34, 197, 94, 0.4) !important;
  color: rgba(34, 197, 94, 0.9) !important;
  font-weight: 600 !important;
}

.request-converter-btn::before {
  content: "💡" !important;
  color: rgba(34, 197, 94, 1) !important;
  opacity: 1 !important;
}

.request-converter-btn:hover {
  background: linear-gradient(135deg, 
    rgba(34, 197, 94, 0.3), 
    rgba(16, 185, 129, 0.2)) !important;
  border-color: rgba(34, 197, 94, 0.6) !important;
  color: rgba(34, 197, 94, 1) !important;
  transform: translateX(4px) !important;
  box-shadow: 
    -2px 0 8px rgba(34, 197, 94, 0.3),
    inset 1px 0 0 rgba(255, 255, 255, 0.1) !important;
}

/* ================= Converter Request Modal ================= */
.converter-request-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.converter-request-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
}

.converter-request-content {
  position: relative;
  width: 90vw;
  max-width: 500px;
  max-height: 85vh;
  background: var(--bw-surface, #1a1625);
  border-radius: 16px;
  border: 1px solid rgba(124, 58, 237, 0.3);
  box-shadow: 
    0 25px 50px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(255, 255, 255, 0.1);
  overflow: hidden;
  animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: scale(0.9) translateY(-20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.converter-request-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  background: linear-gradient(135deg, 
    rgba(124, 58, 237, 0.1), 
    rgba(168, 85, 247, 0.05));
  border-bottom: 1px solid rgba(124, 58, 237, 0.2);
}

.converter-request-header h2 {
  margin: 0;
  color: var(--bw-text, #e5e5e5);
  font-size: 1.4rem;
  font-weight: 600;
}

.converter-request-close {
  background: none;
  border: none;
  color: var(--bw-text-muted, #999);
  font-size: 1.3rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
}

.converter-request-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--bw-text, #e5e5e5);
}

.converter-request-form {
  padding: 2rem;
  overflow-y: auto;
  max-height: calc(85vh - 80px);
}

.converter-request-form .form-group {
  margin-bottom: 1.5rem;
}

.converter-request-form label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--bw-text, #e5e5e5);
  font-size: 0.95rem;
}

.converter-request-form input,
.converter-request-form textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--bw-text, #e5e5e5);
  font-size: 1rem;
  font-family: inherit;
  transition: all 0.3s ease;
  box-sizing: border-box;
}

.converter-request-form input:focus,
.converter-request-form textarea:focus {
  outline: none;
  border-color: rgba(124, 58, 237, 0.5);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.converter-request-form textarea {
  resize: vertical;
  min-height: 100px;
  line-height: 1.5;
}

.converter-request-form input[readonly] {
  background: rgba(124, 58, 237, 0.1);
  border-color: rgba(124, 58, 237, 0.3);
  color: rgba(124, 58, 237, 0.9);
  cursor: not-allowed;
}

.form-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.converter-request-submit {
  background: linear-gradient(90deg, 
    rgba(34, 197, 94, 0.9), 
    rgba(16, 185, 129, 0.9));
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 6px 16px rgba(34, 197, 94, 0.3);
}

.converter-request-submit:hover:not(:disabled) {
  transform: translateY(-2px);
  filter: brightness(1.1);
  box-shadow: 0 8px 20px rgba(34, 197, 94, 0.4);
}

.converter-request-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  filter: none;
}

.converter-request-cancel {
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--bw-text-muted, #999);
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.converter-request-cancel:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--bw-text, #e5e5e5);
  border-color: rgba(255, 255, 255, 0.3);
}

.request-status {
  font-size: 0.9rem;
  font-weight: 500;
  margin-left: auto;
}

/* Mobile responsiveness for modal */
@media (max-width: 768px) {
  .converter-request-content {
    width: 95vw;
    margin: 1rem;
  }
  
  .converter-request-header {
    padding: 1rem 1.5rem;
  }
  
  .converter-request-form {
    padding: 1.5rem;
  }
  
  .form-actions {
    flex-direction: column;
    align-items: stretch;
  }
  
  .request-status {
    margin-left: 0;
    text-align: center;
  }
}

/* ================= Light Mode Theme Overrides ================= */
:root.theme-light {
  /* Update navigation item text stroke for light mode */
  .category-name {
    -webkit-text-stroke: 0.5px rgba(0,0,0,0.2);
    text-shadow: 
      0 1px 2px rgba(255,255,255,0.8),
      0 0 8px rgba(255,255,255,0.5);
  }
  
  /* Adjust navigation button gradients for light mode */
  .nav-category-item button {
    background: linear-gradient(135deg, 
      rgba(0, 0, 0, 0.03), 
      rgba(0, 0, 0, 0.01));
  }
  
  .nav-category-item button:hover {
    background: linear-gradient(135deg, 
      var(--bw-nav-active), 
      var(--bw-nav-hover));
    box-shadow: 
      -2px 0 8px var(--bw-nav-border),
      inset 1px 0 0 rgba(0, 0, 0, 0.1);
  }
  
  .nav-category-item button.active {
    background: linear-gradient(135deg, 
      var(--bw-nav-active), 
      var(--bw-nav-hover));
    box-shadow: 
      -3px 0 12px var(--bw-nav-border),
      inset 1px 0 0 rgba(0, 0, 0, 0.15);
  }
  
  /* Light mode sidebar adjustments */
  .sidebar {
    background: 
      radial-gradient(circle at 20% 30%, rgba(124, 58, 237, 0.08) 0%, transparent 50%),
      radial-gradient(circle at 80% 70%, rgba(59, 130, 246, 0.05) 0%, transparent 50%),
      linear-gradient(180deg, 
        rgba(255, 255, 255, 0.98) 0%, 
        rgba(248, 248, 252, 0.98) 50%, 
        rgba(245, 245, 250, 0.98) 100%),
      var(--bw-surface);
    box-shadow: 
      8px 0 32px rgba(0, 0, 0, 0.1),
      4px 0 16px var(--bw-nav-border),
      inset -1px 0 0 var(--bw-nav-border),
      inset 0 0 100px var(--bw-nav-hover);
  }
  
  /* Light mode scrollbar */
  .sidebar::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
  }
  
  /* Light mode sidebar h1 - softer styling */
  .sidebar h1 {
    color: var(--bw-subtle);
    font-weight: 600;
    text-shadow: 
      0 1px 2px rgba(255,255,255,0.8),
      0 0 15px rgba(124, 58, 237, 0.15);
  }
}

/* ================= API Showcase Section ================= */
.api-showcase {
  background: var(--bw-surface-primary);
  border: 1px solid var(--bw-border);
  border-radius: 12px;
  padding: 2rem;
  margin: 1rem 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
}

.api-showcase::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, 
    var(--bw-accent) 0%, 
    #3b82f6 50%, 
    var(--bw-accent) 100%);
}

.api-showcase-content {
  position: relative;
  z-index: 1;
}

.api-intro {
  text-align: center;
  margin-bottom: 2rem;
}

.api-intro h2 {
  margin: 0 0 1rem 0;
  color: var(--bw-text-primary);
  font-size: 1.875rem;
  font-weight: 700;
}

.api-intro p {
  margin: 0;
  color: var(--bw-text-secondary);
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.feature-card {
  background: var(--bw-surface-secondary);
  border: 1px solid var(--bw-border);
  border-radius: 8px;
  padding: 1.5rem;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  border-color: var(--bw-accent);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  display: block;
}

.feature-card h3 {
  margin: 0 0 0.5rem 0;
  color: var(--bw-text-primary);
  font-size: 1.25rem;
  font-weight: 600;
}

.feature-card p {
  margin: 0 0 0.5rem 0;
  color: var(--bw-text-secondary);
  font-size: 0.875rem;
  line-height: 1.5;
}

.feature-card small {
  color: var(--bw-accent);
  font-weight: 500;
  font-size: 0.75rem;
}

.api-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.api-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.875rem;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.api-btn-primary {
  background: var(--bw-accent);
  color: white;
}

.api-btn-primary:hover {
  background: var(--bw-accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.api-btn-secondary {
  background: var(--bw-surface-secondary);
  color: var(--bw-text-primary);
  border-color: var(--bw-border);
}

.api-btn-secondary:hover {
  background: var(--bw-surface-tertiary);
  border-color: var(--bw-accent);
  transform: translateY(-1px);
}

.api-preview {
  background: var(--bw-surface-secondary);
  border: 1px solid var(--bw-border);
  border-radius: 8px;
  padding: 1.5rem;
}

.api-preview h4 {
  margin: 0 0 1rem 0;
  color: var(--bw-text-primary);
  font-size: 1rem;
  font-weight: 600;
}

.code-preview pre {
  margin: 0;
  background: var(--bw-surface-primary);
  border: 1px solid var(--bw-border);
  border-radius: 6px;
  padding: 1rem;
  overflow-x: auto;
  font-family: 'Monaco', 'Consolas', 'Courier New', monospace;
  font-size: 0.75rem;
  line-height: 1.5;
}

.code-preview code {
  color: var(--bw-text-primary);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .api-showcase {
    padding: 1.5rem;
    margin: 0.5rem 0;
  }
  
  .api-intro h2 {
    font-size: 1.5rem;
  }
  
  .api-intro p {
    font-size: 1rem;
  }
  
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .api-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .api-btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }
  
  .code-preview pre {
    font-size: 0.625rem;
    padding: 0.75rem;
  }
}

@media (max-width: 480px) {
  .api-showcase {
    padding: 1rem;
  }
  
  .feature-card {
    padding: 1rem;
  }
  
  .api-preview {
    padding: 1rem;
  }
}

/* ================= API Showcase Modal ================= */
.api-showcase-modal-content {
  max-width: 800px !important;
  max-height: 90vh;
  overflow-y: auto;
}

.api-showcase-header {
  text-align: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--bw-border);
}

.api-showcase-header h2 {
  margin: 0 0 1rem 0;
  color: var(--bw-text-primary);
  font-size: 1.875rem;
  font-weight: 700;
}

.api-showcase-header p {
  margin: 0;
  color: var(--bw-text-secondary);
  font-size: 1.125rem;
  line-height: 1.6;
}

.api-showcase-features {
  margin-bottom: 2rem;
}

.api-showcase-features .feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}

.api-showcase-features .feature-card {
  background: var(--bw-surface-secondary);
  border: 1px solid var(--bw-border);
  border-radius: 8px;
  padding: 1rem;
  text-align: center;
  transition: all 0.3s ease;
}

.api-showcase-features .feature-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  border-color: var(--bw-accent);
}

.api-showcase-features .feature-icon {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  display: block;
}

.api-showcase-features .feature-card h3 {
  margin: 0 0 0.5rem 0;
  color: var(--bw-text-primary);
  font-size: 1rem;
  font-weight: 600;
}

.api-showcase-features .feature-card p {
  margin: 0 0 0.5rem 0;
  color: var(--bw-text-secondary);
  font-size: 0.75rem;
  line-height: 1.4;
}

.api-showcase-features .feature-card small {
  color: var(--bw-accent);
  font-weight: 500;
  font-size: 0.625rem;
}

.api-showcase-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.api-showcase-actions .api-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.875rem;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.api-showcase-actions .api-btn-primary {
  background: var(--bw-accent);
  color: white;
}

.api-showcase-actions .api-btn-primary:hover {
  background: var(--bw-accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.api-showcase-actions .api-btn-secondary {
  background: var(--bw-surface-secondary);
  color: var(--bw-text-primary);
  border-color: var(--bw-border);
}

.api-showcase-actions .api-btn-secondary:hover {
  background: var(--bw-surface-tertiary);
  border-color: var(--bw-accent);
  transform: translateY(-1px);
}

.api-showcase-preview {
  background: var(--bw-surface-secondary);
  border: 1px solid var(--bw-border);
  border-radius: 8px;
  padding: 1rem;
}

.api-showcase-preview h4 {
  margin: 0 0 1rem 0;
  color: var(--bw-text-primary);
  font-size: 1rem;
  font-weight: 600;
}

.api-showcase-preview .code-preview pre {
  margin: 0;
  background: var(--bw-surface-primary);
  border: 1px solid var(--bw-border);
  border-radius: 6px;
  padding: 1rem;
  overflow-x: auto;
  font-family: 'Monaco', 'Consolas', 'Courier New', monospace;
  font-size: 0.75rem;
  line-height: 1.5;
}

.api-showcase-preview .code-preview code {
  color: var(--bw-text-primary);
}

/* Mobile responsiveness for API modal */
@media (max-width: 768px) {
  .api-showcase-modal-content {
    margin: 1rem;
    max-height: 85vh;
  }
  
  .api-showcase-header h2 {
    font-size: 1.5rem;
  }
  
  .api-showcase-features .feature-grid {
    grid-template-columns: 1fr;
  }
  
  .api-showcase-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .api-showcase-actions .api-btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }
  
  .api-showcase-preview .code-preview pre {
    font-size: 0.625rem;
    padding: 0.75rem;
  }
}