/* CSS DESIGN SYSTEM - LITECONVERT */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Colors */
  --bg-primary: #0b0e17;
  --bg-secondary: #121724;
  --bg-tertiary: #192033;
  
  --card-bg: rgba(18, 23, 36, 0.65);
  --card-border: rgba(255, 255, 255, 0.07);
  --card-hover-border: rgba(0, 242, 254, 0.4);
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  
  --accent-primary: #00f2fe; /* Cyan */
  --accent-secondary: #4facfe; /* Blue */
  --accent-gradient: linear-gradient(135deg, #00f2fe, #4facfe);
  --accent-glow: rgba(0, 242, 254, 0.25);
  
  --success: #10b981;
  --success-glow: rgba(16, 185, 129, 0.2);
  --danger: #ef4444;
  --danger-hover: #dc2626;
  --warning: #f59e0b;
  
  /* Fonts */
  --font-sans: 'Plus Jakarta Sans', sans-serif;
  --font-heading: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 15px 35px -5px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 25px 0 rgba(0, 242, 254, 0.15);
  
  /* Transition */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* RESET & BASE */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.55;
  background-image: 
    radial-gradient(at 0% 0%, rgba(0, 242, 254, 0.06) 0px, transparent 55%),
    radial-gradient(at 100% 100%, rgba(79, 172, 254, 0.06) 0px, transparent 55%);
  background-attachment: fixed;
}

button, input, select, textarea {
  font-family: inherit;
  color: inherit;
}

/* APP LAYOUT */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* TOP NAVBAR */
.top-navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 70px;
  background-color: rgba(18, 22, 32, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--card-border);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.brand-nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-logo-nav {
  width: 38px;
  height: 38px;
  background: var(--accent-gradient);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  color: white;
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.3);
}

.brand-title-nav {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Navigation Links list */
.nav-links {
  display: flex;
  align-items: center;
  gap: 1rem;
  list-style: none;
}

.nav-item-dropdown {
  position: relative;
  /* Extend hover hit-area downward so the translateY-shifted panel is reachable */
  padding-bottom: 16px;
  margin-bottom: -16px;
}

.nav-link-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.nav-link-btn:hover, .nav-item-dropdown:hover .nav-link-btn {
  color: var(--accent-primary);
  background-color: rgba(255, 255, 255, 0.02);
}

.nav-link-btn.active {
  color: var(--accent-primary);
  background-color: rgba(0, 242, 254, 0.05);
}

/* Mega-Menu Panel */
.mega-menu-panel {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  width: 480px; /* overridden per-dropdown via inline style */
  background-color: rgba(14, 18, 28, 0.97);
  border: 1px solid rgba(0, 242, 254, 0.15);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: 0 16px 50px rgba(0,0,0,0.65), 0 0 0 1px rgba(0,242,254,0.06);
  display: grid;
  grid-template-columns: 1fr 1fr; /* 2 cols by default for each category */
  gap: 1.25rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal), transform var(--transition-normal);
  z-index: 1001;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  margin-top: 0;
}

/* Desktop hover-open */
.nav-item-dropdown:hover .mega-menu-panel {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

/* JS-driven .open class (used on mobile & as fallback) */
.nav-item-dropdown.open .mega-menu-panel {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

/* Top accent bar on dropdown */
.mega-menu-panel::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: 0 0 4px 4px;
}

.mega-menu-column {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.mega-menu-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-primary);
  letter-spacing: 0.07em;
  margin-bottom: 0.5rem;
  border-bottom: 1px solid rgba(0,242,254,0.1);
  padding-bottom: 0.35rem;
}

.mega-menu-item {
  color: var(--text-secondary);
  font-size: 0.82rem;
  text-decoration: none;
  padding: 0.35rem 0.5rem;
  border-radius: 6px;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
}

.mega-menu-item:hover {
  color: var(--accent-primary);
  background-color: rgba(0, 242, 254, 0.04);
  padding-left: 0.75rem;
}

/* ====== MOBILE HAMBURGER BUTTON ====== */
.mobile-hamburger-btn {
  display: none;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
  padding: 0.4rem 0.55rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-fast);
  align-items: center;
  justify-content: center;
}

.mobile-hamburger-btn:hover {
  color: var(--accent-primary);
  border-color: rgba(0, 242, 254, 0.3);
}

/* ====== RESPONSIVE NAVBAR ====== */
@media (max-width: 1024px) {
  .mobile-hamburger-btn {
    display: flex;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 13, 22, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem;
    overflow-y: auto;
    z-index: 999;
    animation: slideInFromTop 0.25s ease;
  }

  @keyframes slideInFromTop {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links > li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .nav-links > li:last-child {
    border-bottom: none;
  }

  .nav-link-btn {
    width: 100%;
    justify-content: space-between;
    padding: 1rem 0.75rem;
    font-size: 1rem;
    border-radius: 0;
  }

  /* Mobile: mega-menu as accordion */
  .mega-menu-panel {
    position: static;
    transform: none;
    width: 100% !important;
    opacity: 1;
    pointer-events: auto;
    display: none;
    grid-template-columns: 1fr 1fr;
    box-shadow: none;
    border: none;
    border-radius: 0;
    background: rgba(0, 242, 254, 0.02);
    padding: 0.5rem 0.75rem 1rem;
    border-left: 2px solid rgba(0, 242, 254, 0.2);
    margin: 0 0.25rem;
  }

  .mega-menu-panel::before {
    display: none;
  }

  .nav-item-dropdown.open .mega-menu-panel {
    display: grid;
    transform: none;
    animation: fadeIn 0.2s ease;
  }

  /* Don't use :hover on mobile */
  .nav-item-dropdown:hover .mega-menu-panel {
    opacity: 1;
    pointer-events: auto;
    transform: none;
    display: none; /* overridden by .open */
  }

  .nav-item-dropdown.open:hover .mega-menu-panel {
    display: grid;
  }

  .mega-menu-item {
    white-space: normal;
    font-size: 0.8rem;
  }
}

@media (max-width: 640px) {
  .top-navbar {
    padding: 0 1rem;
  }

  .mega-menu-panel {
    grid-template-columns: 1fr !important;
  }
}

/* Centered Workspace Container */
.workspace {
  margin: 0 auto;
  padding: 100px 1.5rem 4rem; /* top padding clears navbar */
  max-width: 1200px;
  width: 100%;
  flex-grow: 1;
  box-sizing: border-box;
}

.workspace-header {
  margin-bottom: 2.5rem;
  position: relative;
}

#tool-title {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 0.25rem;
  background: linear-gradient(to right, var(--text-primary), #cbd5e1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 400;
}

/* TOOL SECTIONS */
.tool-section {
  display: none;
  animation: fadeIn var(--transition-slow);
}

.tool-section.active-section {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* CARDS */
.card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-lg);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
  border-color: var(--card-hover-border);
  box-shadow: var(--shadow-glow);
}

.card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

/* GRID LAYOUTS */
.grid-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.75rem;
}

.span-8 {
  grid-column: span 1;
}

@media (min-width: 1024px) {
  .grid-layout.three-cols {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* DRAG & DROP ZONE */
.drop-zone {
  border: 2px dashed var(--card-border);
  border-radius: var(--radius-md);
  padding: 4rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-normal);
  background-color: rgba(255, 255, 255, 0.01);
}

.drop-zone:hover, .drop-zone.dragover {
  border-color: var(--accent-primary);
  background-color: rgba(99, 102, 241, 0.03);
  box-shadow: inset 0 0 15px rgba(99, 102, 241, 0.05);
}

.file-hidden {
  display: none;
}

.upload-icon-wrapper {
  width: 64px;
  height: 64px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  border: 1px solid var(--card-border);
  color: var(--text-secondary);
  transition: var(--transition-normal);
}

.drop-zone:hover .upload-icon-wrapper {
  color: var(--accent-primary);
  border-color: rgba(99, 102, 241, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
}

.upload-icon {
  width: 28px;
  height: 28px;
}

.drop-zone h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.drop-zone p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.file-limits {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* PREVIEW CONTAINER */
.image-preview-container {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
}

.preview-box {
  background-color: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  max-height: 380px;
  overflow: hidden;
}

.preview-box img {
  max-width: 100%;
  max-height: 340px;
  border-radius: var(--radius-sm);
  object-fit: contain;
  box-shadow: var(--shadow-md);
}

.image-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  background-color: rgba(255, 255, 255, 0.02);
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--card-border);
  font-size: 0.85rem;
}

.meta-item strong {
  display: block;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

/* STYLED INPUTS & SELECTS */
.settings-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.settings-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.settings-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.styled-select, .styled-input {
  width: 100%;
  background-color: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.styled-select:focus, .styled-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.styled-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%239ca3af'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1.25rem;
  padding-right: 2.5rem;
}

/* CHECKBOX */
.checkbox-container {
  display: flex;
  align-items: center;
  position: relative;
  padding-left: 2rem;
  cursor: pointer;
  user-select: none;
  font-size: 0.9rem;
  font-weight: 500;
}

.checkbox-container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.checkmark {
  position: absolute;
  top: 0;
  left: 0;
  height: 1.25rem;
  width: 1.25rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.checkbox-container:hover input ~ .checkmark {
  border-color: var(--accent-primary);
}

.checkbox-container input:checked ~ .checkmark {
  background: var(--accent-gradient);
  border-color: transparent;
}

.checkmark:after {
  content: "";
  position: absolute;
  display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
  display: block;
}

.checkbox-container .checkmark:after {
  left: 6px;
  top: 3px;
  width: 5px;
  height: 8px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* SLIDERS */
.slider-header {
  display: flex;
  justify-content: space-between;
}

.styled-slider {
  width: 100%;
  height: 6px;
  background-color: var(--bg-secondary);
  border-radius: var(--radius-full);
  outline: none;
  appearance: none;
  cursor: pointer;
}

.styled-slider::-webkit-slider-thumb {
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-primary);
  box-shadow: 0 0 8px var(--accent-primary);
  transition: var(--transition-fast);
}

.styled-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition-normal);
}

.btn-primary {
  background: var(--accent-gradient);
  color: white;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

.btn-secondary {
  background-color: var(--bg-secondary);
  border: 1px solid var(--card-border);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--text-secondary);
}

.btn-full {
  width: 100%;
}

.btn-arrow {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-normal);
}

.btn:hover:not(:disabled) .btn-arrow {
  transform: translateX(4px);
}

.icon-btn {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.icon-btn.danger {
  color: var(--text-muted);
  font-size: 1.5rem;
  width: 24px;
  height: 24px;
}

.icon-btn.danger:hover {
  color: var(--danger);
  background-color: rgba(239, 68, 68, 0.1);
}

.text-btn {
  background: none;
  border: none;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.text-btn:hover {
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.05);
}

.text-btn.secondary {
  color: var(--accent-primary);
}

.text-btn.secondary:hover {
  background-color: rgba(99, 102, 241, 0.1);
}

.text-btn.success {
  color: var(--success);
}

.text-btn.success:hover {
  background-color: rgba(16, 185, 129, 0.1);
}

.text-btn.success.secondary {
  color: var(--text-secondary);
  border: 1px solid var(--card-border);
}

.text-btn.success.secondary:hover {
  color: var(--success);
  border-color: var(--success);
}

/* PANELS & SPLIT-PANES */
.action-bar {
  display: flex;
  gap: 0.5rem;
  padding: 0.5rem !important;
  margin-bottom: 1.5rem;
  overflow-x: auto;
}

.action-btn {
  background: transparent;
  border: none;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition-fast);
  white-space: nowrap;
}

.action-btn:hover {
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.03);
}

.action-btn.active {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--card-border);
}

.split-pane {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.75rem;
}

@media (max-width: 868px) {
  .split-pane, .grid-layout {
    grid-template-columns: 1fr;
  }
}

.pane-card {
  display: flex;
  flex-direction: column;
  min-height: 480px;
}

.pane-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  font-weight: 600;
  font-size: 0.9rem;
}

.pane-controls {
  display: flex;
  gap: 0.5rem;
}

.pane-textarea {
  width: 100%;
  flex-grow: 1;
  background-color: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  resize: none;
  font-size: 0.95rem;
  color: var(--text-primary);
  outline: none;
  transition: var(--transition-fast);
}

.pane-textarea:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.pane-textarea.mono {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.6;
}

.pane-textarea[readonly] {
  background-color: rgba(15, 22, 34, 0.4);
  cursor: default;
}

.relative-container {
  position: relative;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.pane-preview {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  overflow-y: auto;
  font-size: 0.95rem;
}

.pane-preview h1, .pane-preview h2, .pane-preview h3 {
  margin-top: 1rem;
  margin-bottom: 0.5rem;
}
.pane-preview p {
  margin-bottom: 1rem;
}
.pane-preview code {
  background: var(--bg-tertiary);
  padding: 0.2rem 0.4rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
}
.pane-preview pre {
  background: var(--bg-tertiary);
  padding: 1rem;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 1rem 0;
}

/* DOCUMENT COMPILER DIRECTION TOGGLE */
.toggle-switch-container {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem 1.75rem !important;
  margin-bottom: 1.75rem;
}

.direction-toggle {
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
  transition: var(--transition-normal);
}

.direction-toggle:hover {
  border-color: var(--accent-primary);
}

.direction-state {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.direction-state.active {
  color: var(--accent-primary);
}

.exchange-icon {
  width: 16px;
  height: 16px;
  color: var(--text-muted);
}

.mt-lg {
  margin-top: 1.5rem;
}

.tall {
  min-height: 380px;
}

/* CODE CONTROLS */
.code-controls {
  display: flex;
  gap: 1rem;
  margin-top: 1.25rem;
}

.flex-grow {
  flex-grow: 1;
}

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

.case-buttons {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1.25rem;
}

/* HIDDEN CLASS */
.hidden {
  display: none !important;
}

/* TOAST NOTIFICATIONS */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 1000;
}

.toast {
  background-color: #1e293b;
  border-left: 4px solid var(--accent-primary);
  color: var(--text-primary);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 280px;
  max-width: 400px;
  animation: slideIn var(--transition-normal);
  backdrop-filter: blur(12px);
}

.toast.success {
  border-left-color: var(--success);
}

.toast.danger {
  border-left-color: var(--danger);
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.toast-fadeOut {
  animation: slideOut var(--transition-normal) forwards;
}

@keyframes slideOut {
  from { transform: translateX(0); opacity: 1; }
  to { transform: translateX(100%); opacity: 0; }
}

/* DASHBOARD & ADMIN PANEL SPECIFIC STYLES */

/* Dashboard Quick Metrics */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.stat-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: var(--card-hover-border);
}

.stat-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  background-color: rgba(99, 102, 241, 0.1);
  box-shadow: 0 4px 10px rgba(99, 102, 241, 0.1);
}

.stat-icon-wrapper.success {
  color: var(--success);
  background-color: rgba(16, 185, 129, 0.1);
}

.stat-icon-wrapper.warning {
  color: var(--warning);
  background-color: rgba(245, 158, 11, 0.1);
}

.stat-icon {
  width: 24px;
  height: 24px;
}

.stat-info h4 {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* Tool Grid Display */
.tools-showcase {
  margin-top: 1rem;
}

.tools-showcase-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.75rem;
}

.tool-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  height: 260px;
  position: relative;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  text-decoration: none;
}

.tool-card:hover:not(.disabled) {
  transform: translateY(-4px);
  border-color: var(--card-hover-border);
  box-shadow: var(--shadow-glow);
}

.tool-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.tool-card-icon {
  width: 44px;
  height: 44px;
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition-normal);
}

.tool-card:hover:not(.disabled) .tool-card-icon {
  color: var(--accent-primary);
  border-color: rgba(99, 102, 241, 0.3);
  background-color: rgba(99, 102, 241, 0.05);
}

.tool-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin: 0;
  font-weight: 600;
  color: var(--text-primary);
}

.tool-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.tool-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 1rem;
}

.tool-badge {
  font-size: 0.75rem;
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--success);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(16, 185, 129, 0.2);
  font-weight: 600;
}

.tool-badge.stats {
  background-color: rgba(99, 102, 241, 0.1);
  color: var(--accent-primary);
  border-color: rgba(99, 102, 241, 0.2);
}

.tool-badge.disabled {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--danger);
  border-color: rgba(239, 68, 68, 0.2);
}

.tool-action-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.tool-card:hover:not(.disabled) .tool-action-link svg {
  transform: translateX(3px);
}

/* Disabled tool card overlay state */
.tool-card.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  border-color: rgba(239, 68, 68, 0.15);
}

.tool-card.disabled:hover {
  border-color: rgba(239, 68, 68, 0.3);
}

.tool-card.disabled * {
  pointer-events: none;
}

.tool-card-lock {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  color: var(--danger);
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.75rem;
  font-weight: 600;
}

/* ADMIN PANEL STYLINGS */
.settings-section-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--card-border);
  padding-bottom: 0.5rem;
}

.admin-card {
  padding: 0 !important; /* Let table bleed to edges */
  overflow: hidden;
  margin-bottom: 2rem;
}

/* Table styling */
.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.admin-table th, .admin-table td {
  padding: 1.15rem 1.75rem;
}

.admin-table th {
  background-color: rgba(15, 22, 34, 0.6);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--card-border);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.admin-table tr:not(:last-child) td {
  border-bottom: 1px solid rgba(55, 65, 81, 0.2);
}

.admin-table tr:hover td {
  background-color: rgba(255, 255, 255, 0.01);
}

/* Toggle Switch Widget */
.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider-toggle {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  transition: .3s;
  border-radius: var(--radius-full);
}

.slider-toggle:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background-color: var(--text-secondary);
  transition: .3s;
  border-radius: 50%;
}

.switch input:checked + .slider-toggle {
  background-color: rgba(16, 185, 129, 0.15);
  border-color: rgba(16, 185, 129, 0.4);
}

.switch input:checked + .slider-toggle:before {
  transform: translateX(20px);
  background-color: var(--success);
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
}

.switch input:focus + .slider-toggle {
  box-shadow: 0 0 1px var(--success);
}

/* Inline Edit Field */
.inline-edit-input {
  background: transparent;
  border: 1px solid transparent;
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  width: 100%;
  transition: var(--transition-fast);
  color: var(--text-primary);
}

.inline-edit-input:hover {
  border-color: var(--card-border);
  background-color: rgba(255, 255, 255, 0.02);
}

.inline-edit-input:focus {
  outline: none;
  background-color: var(--bg-secondary);
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.inline-edit-input.bold {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
}

/* Danger Card Zone */
.danger-card {
  border-color: rgba(239, 68, 68, 0.3);
}

.danger-card:hover {
  border-color: var(--danger);
  box-shadow: 0 0 20px rgba(239, 68, 68, 0.08);
}

.danger-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.danger-row:not(:last-child) {
  border-bottom: 1px solid rgba(239, 68, 68, 0.15);
}

.danger-info h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.danger-info p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.btn-danger {
  background-color: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--danger);
}


.btn-danger:hover {
  background-color: var(--danger);
  color: white;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

/* ==========================================
   PREMIUM WIDGETS & RESPONSIVE UPDATES
   ========================================== */

/* Split Upload Button */
.split-btn-wrapper {
  position: relative;
  display: inline-block;
}

.split-btn {
  display: inline-flex;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.split-btn-trigger {
  background: var(--accent-gradient);
  color: white;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.split-btn-trigger:hover {
  opacity: 0.9;
}

.split-btn-dropdown {
  background: var(--accent-gradient);
  color: white;
  padding: 0.75rem 0.75rem;
  border: none;
  border-left: 1px solid rgba(255, 255, 255, 0.15);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition-fast);
}

.split-btn-dropdown:hover {
  opacity: 0.9;
}

.split-btn-menu {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 0.5rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  width: 200px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  padding: 0.5rem;
  z-index: 200;
  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
  transition: all var(--transition-normal);
  backdrop-filter: blur(16px);
}

.split-btn-menu.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.split-btn-item {
  background: transparent;
  border: none;
  padding: 0.6rem 1rem;
  text-align: left;
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition-fast);
  width: 100%;
}

.split-btn-item:hover {
  background-color: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
}

.split-btn-item svg {
  color: var(--accent-primary);
}

/* Format Button Selector */
.format-selector-container {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.format-category-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 700;
}

.format-btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.format-btn {
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--card-border);
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-normal);
}

.format-btn:hover {
  border-color: var(--text-secondary);
  color: var(--text-primary);
}

.format-btn.active {
  background-color: rgba(99, 102, 241, 0.15);
  border-color: var(--accent-primary);
  color: var(--text-primary);
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.15);
}

/* Accordion Advanced Settings */
.accordion-wrapper {
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  background-color: rgba(17, 24, 39, 0.3);
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  cursor: pointer;
  user-select: none;
  background-color: rgba(15, 22, 34, 0.4);
  transition: background-color var(--transition-fast);
}

.accordion-header:hover {
  background-color: rgba(15, 22, 34, 0.7);
}

.accordion-header h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.accordion-icon {
  width: 18px;
  height: 18px;
  color: var(--text-secondary);
  transition: transform var(--transition-normal);
}

.accordion-wrapper.open .accordion-icon {
  transform: rotate(180deg);
  color: var(--accent-primary);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal) cubic-bezier(0, 1, 0, 1);
}

.accordion-wrapper.open .accordion-content {
  max-height: 1000px;
}

.accordion-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  border-top: 1px solid var(--card-border);
}

/* Modals */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  background-color: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 450px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: translateY(-20px);
  transition: transform var(--transition-normal);
}

.modal-backdrop.open .modal-container {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--card-border);
  background-color: rgba(15, 22, 34, 0.4);
}

.modal-header h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.modal-close:hover {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.modal-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--card-border);
  background-color: rgba(15, 22, 34, 0.4);
}

/* Mobile responsive styles for Top Navbar & Mega-Menu */
.mobile-hamburger-btn {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  align-items: center;
}

@media (max-width: 1024px) {
  .top-navbar {
    padding: 0 1.5rem;
  }
  
  .mobile-hamburger-btn {
    display: flex;
  }

  .nav-links {
    display: none; /* Collapsed by default on mobile */
    flex-direction: column;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: #121620;
    border-bottom: 1px solid var(--card-border);
    padding: 1.5rem;
    gap: 1rem;
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
    z-index: 999;
  }

  .nav-links.open {
    display: flex;
  }

  .mega-menu-panel {
    position: static;
    transform: none !important;
    width: 100%;
    box-shadow: none;
    padding: 0.5rem 0 0 1rem;
    display: none; /* Show only when submenu is toggled */
    grid-template-columns: 1fr;
    background: transparent;
    border: none;
    opacity: 1;
    pointer-events: auto;
  }

  .nav-item-dropdown.open .mega-menu-panel {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
  }
  
  .workspace {
    padding: 95px 1rem 3rem !important;
  }
}

/* Custom visual styles for tip/mistake cards */
.tip-card {
  border-left: 4px solid var(--success) !important;
}
.mistake-card {
  border-left: 4px solid var(--danger) !important;
}

/* Styled radio inputs replacement for channels/samplerate */
.radio-group-btn {
  display: flex;
  gap: 0.5rem;
}
.radio-btn-label {
  display: inline-block;
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--card-border);
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-normal);
}
.radio-group-btn input[type="radio"] {
  display: none;
}
.radio-group-btn input[type="radio"]:checked + .radio-btn-label {
  background-color: rgba(99, 102, 241, 0.15);
  border-color: var(--accent-primary);
  color: var(--text-primary);
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.15);
}

/* ==========================================
   ONLINE AUDIO CONVERTER STEP-BY-STEP LAYOUT
   ========================================== */

.stepped-layout-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto 3rem;
  position: relative;
}



.step-section {
  background-color: var(--card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  z-index: 2;
}

.step-section:hover:not(.disabled) {
  border-color: var(--card-hover-border);
  box-shadow: var(--shadow-glow);
}

.step-section.disabled {
  opacity: 0.3;
  pointer-events: none;
  filter: grayscale(0.8);
}

.step-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.step-number {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.4);
  z-index: 3;
}

.step-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

/* Quality Slider */
.quality-display-wrapper {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background-color: rgba(0,0,0,0.1);
  padding: 1.25rem;
  border-radius: 8px;
  border: 1px solid var(--card-border);
}

.quality-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
}

.quality-value-bubble {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent-primary);
}

/* Custom Range Slider Thumb & Track */
input[type="range"].styled-slider {
  -webkit-appearance: none;
  background: transparent;
  cursor: pointer;
  height: 24px;
}

/* Track */
input[type="range"].styled-slider::-webkit-slider-runnable-track {
  background: rgba(255, 255, 255, 0.08);
  height: 6px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.03);
}

input[type="range"].styled-slider::-moz-range-track {
  background: rgba(255, 255, 255, 0.08);
  height: 6px;
  border-radius: var(--radius-full);
}

/* Thumb */
input[type="range"].styled-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  background: #ffffff;
  border: 2px solid var(--accent-primary);
  width: 18px;
  height: 18px;
  border-radius: 50%;
  margin-top: -6px; /* center thumb on webkit track */
  box-shadow: 0 0 12px rgba(0, 242, 254, 0.6);
  transition: transform 0.15s ease-in-out;
}

input[type="range"].styled-slider::-webkit-slider-thumb:hover {
  transform: scale(1.25);
}

input[type="range"].styled-slider::-moz-range-thumb {
  background: #ffffff;
  border: 2px solid var(--accent-primary);
  width: 18px;
  height: 18px;
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(0, 242, 254, 0.6);
  transition: transform 0.15s ease-in-out;
}

input[type="range"].styled-slider::-moz-range-thumb:hover {
  transform: scale(1.25);
}

/* ==========================================
   PREMIUM REDESIGNED TOOL PAGE STYLES
   ========================================== */

.category-pill {
  display: inline-flex;
  align-items: center;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.15);
  color: var(--accent-primary);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.05);
}

.intro-description-wrapper {
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
  backdrop-filter: blur(12px);
}

.intro-description-wrapper p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0;
}

/* Tool Hero Block */
.tool-hero {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  background: linear-gradient(135deg, rgba(14, 18, 28, 0.7) 0%, rgba(20, 26, 40, 0.4) 100%);
  border: 1px solid rgba(0, 242, 254, 0.06);
  border-radius: var(--radius-xl);
  padding: 1.5rem 2rem;
  margin-bottom: 2.5rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
  position: relative;
  overflow: hidden;
}

.tool-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(to right, rgba(0, 242, 254, 0.15), transparent);
}

.tool-hero-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background: rgba(0, 242, 254, 0.06);
  border: 1px solid rgba(0, 242, 254, 0.15);
  color: var(--accent-primary);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.1);
}

.tool-hero-text {
  flex: 1;
  min-width: 250px;
}

.tool-hero-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
  margin: 0;
}

.tool-hero-badges {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-md);
}

.hero-badge svg {
  color: var(--accent-primary);
}

/* Generator main grid layout */
.tool-main-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

@media (max-width: 768px) {
  .tool-main-grid {
    grid-template-columns: 1fr;
  }
}

.tool-panel {
  display: flex;
  flex-direction: column;
  background: rgba(14, 18, 28, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  position: relative;
  transition: all var(--transition-normal);
}

.tool-panel:hover {
  border-color: rgba(0, 242, 254, 0.08);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2), 0 0 15px rgba(0, 242, 254, 0.02);
}

.panel-label {
  position: absolute;
  top: -10px;
  left: 20px;
  background: var(--bg-dark);
  padding: 0 0.5rem;
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-primary);
}

/* Preview / Player Panel */
.panel-player {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.player-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.player-filename {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.player-duration {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-primary);
  background: rgba(0, 242, 254, 0.05);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}

.player-controls {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-top: auto;
}

.ctrl-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.ctrl-btn:hover {
  background: rgba(0, 242, 254, 0.1);
  border-color: var(--accent-primary);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.ctrl-btn.active {
  background: var(--accent-gradient);
  border-color: transparent;
  color: white;
  box-shadow: 0 0 12px rgba(0, 242, 254, 0.4);
}

/* Action Buttons & Input controls */
.btn-main-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  background: var(--accent-gradient);
  color: white;
  border: none;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: 0 4px 15px rgba(0, 242, 254, 0.2);
}

.btn-main-action:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0, 242, 254, 0.35);
}

.btn-outline-accent {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(0, 242, 254, 0.25);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.8rem 1.5rem;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.btn-outline-accent:hover {
  background: rgba(0, 242, 254, 0.05);
  border-color: var(--accent-primary);
}

.ctrl-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.ctrl-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Progress card styles */
.panel-progress {
  margin-top: 1rem;
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}

.progress-status {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.progress-track {
  height: 6px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--accent-primary);
  border-radius: 3px;
  transition: width 0.15s;
}

/* Download State styling */
.panel-download {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(16, 185, 129, 0.05);
  border: 1px solid rgba(16, 185, 129, 0.15);
  border-radius: var(--radius-xl);
  padding: 1.25rem 1.5rem;
  margin-top: 1rem;
}

.download-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.download-info {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.download-info strong {
  font-size: 0.9rem;
  color: var(--text-primary);
}

.download-info span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--success);
  color: white;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-normal);
}

.btn-download:hover {
  background: #059669;
  transform: translateY(-1px);
}

/* ==========================================
   CONVERTER UI (Clean layout, no neon lines)
   ========================================== */

.converter-ui {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  max-width: 820px;
  margin: 0 auto 3.5rem;
}

.cv-step {
  display: flex;
  gap: 1.5rem;
  background: rgba(14, 18, 28, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-xl);
  padding: 2rem;
  transition: all var(--transition-normal);
  position: relative;
}

.cv-step:not(.disabled):hover {
  border-color: rgba(0, 242, 254, 0.08);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.18), 0 0 15px rgba(0, 242, 254, 0.02);
}

.cv-step.disabled {
  opacity: 0.25;
  pointer-events: none;
  filter: grayscale(0.9);
}

.cv-step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  flex-shrink: 0;
}

.cv-step-num span {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--accent-primary);
}

.cv-step-body {
  flex: 1;
}

.cv-step-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}

/* Upload Dropzone styling */
.cv-dropzone {
  border: 2px dashed rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  padding: 3rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  background: rgba(255, 255, 255, 0.005);
}

.cv-dropzone:hover {
  border-color: var(--accent-primary);
  background: rgba(0, 242, 254, 0.02);
}

.cv-dropzone-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(0, 242, 254, 0.05);
  border: 1px solid rgba(0, 242, 254, 0.1);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.05);
  transition: all var(--transition-normal);
}

.cv-dropzone:hover .cv-dropzone-icon {
  transform: scale(1.05);
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.15);
}

.cv-dropzone-text {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1.5rem;
}

.cv-dropzone-text strong {
  font-size: 1rem;
  color: var(--text-primary);
}

.cv-dropzone-text span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.cv-dropzone-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.cv-dropzone:hover .cv-dropzone-btn {
  background: rgba(0, 242, 254, 0.08);
  border-color: var(--accent-primary);
}

/* Cloud integrations strip */
.cv-cloud-links {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-top: 1.25rem;
  font-size: 0.8rem;
}

.cv-cloud-link {
  color: var(--text-secondary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: color var(--transition-fast);
}

.cv-cloud-link:hover {
  color: var(--accent-primary);
}

/* Stepped player wrapper */
.cv-player {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-top: 1.5rem;
}

.cv-player-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.cv-player-icon {
  color: var(--accent-primary);
}

.cv-player-name {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-primary);
  flex: 1;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
}

.cv-player-dur {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.cv-waveform-wrap {
  position: relative;
  margin-bottom: 1rem;
}

.cv-player-btns {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
}

/* Format Pills styling */
.cv-format-row {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.cv-format-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.cv-format-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.cv-pill {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  padding: 0.55rem 1.2rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.cv-pill:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.15);
  color: var(--text-primary);
}

.cv-pill.active {
  background: rgba(0, 242, 254, 0.08);
  border-color: var(--accent-primary);
  color: var(--text-primary);
  box-shadow: 0 0 12px rgba(0, 242, 254, 0.15);
}

/* Quality row */
.cv-quality-row {
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.cv-quality-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.cv-quality-val {
  color: var(--accent-primary);
  font-family: var(--font-mono);
}

.cv-quality-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* Accordion Options */
.cv-accordion {
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-lg);
  background: rgba(0, 0, 0, 0.12);
  overflow: hidden;
}

.cv-accordion-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 1rem 1.25rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.cv-accordion-trigger:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.01);
}

.cv-accordion-trigger svg {
  transition: transform var(--transition-normal);
}

.cv-accordion.open .cv-accordion-trigger svg.accordion-icon {
  transform: rotate(180deg);
}

/* Converter Rendering Progress */
.cv-progress {
  margin-top: 1.5rem;
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  text-align: left;
}

.cv-progress-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.cv-progress-track {
  height: 6px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
  overflow: hidden;
}

.cv-progress-fill {
  height: 100%;
  background: var(--accent-primary);
  border-radius: 3px;
  transition: width 0.15s;
}

/* Converter Success state */
.cv-download {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(16, 185, 129, 0.04);
  border: 1px solid rgba(16, 185, 129, 0.1);
  border-radius: var(--radius-xl);
  padding: 1.25rem 1.5rem;
  margin-top: 1.5rem;
  text-align: left;
}

.cv-download-check {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.08);
  color: var(--success);
}

.cv-download-meta {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.cv-download-meta strong {
  font-size: 0.9rem;
  color: var(--text-primary);
}

.cv-download-meta span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Show progress line only when width is not 0% to prevent static blue lines on the left */
#waveform-progress:not([style*="width: 0%"]):not([style*="width:0%"]),
#mc-waveform-progress:not([style*="width: 0%"]):not([style*="width:0%"]) {
  border-right: 2px solid var(--accent-primary);
}

.premium-card {
  background: rgba(14, 18, 28, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: relative;
  transition: all var(--transition-normal);
}

.premium-card:hover {
  border-color: rgba(0, 242, 254, 0.08);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2), 0 0 15px rgba(0, 242, 254, 0.02);
}

/* Tip & Mistake Cards customized soft glowing style */
.premium-card.tip-card {
  border: 1px solid rgba(16, 185, 129, 0.12) !important;
  background: rgba(16, 185, 129, 0.015);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}
.premium-card.tip-card:hover {
  border-color: rgba(16, 185, 129, 0.3) !important;
  box-shadow: 0 12px 30px rgba(16, 185, 129, 0.05);
}

.premium-card.mistake-card {
  border: 1px solid rgba(239, 68, 68, 0.12) !important;
  background: rgba(239, 68, 68, 0.015);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}
.premium-card.mistake-card:hover {
  border-color: rgba(239, 68, 68, 0.3) !important;
  box-shadow: 0 12px 30px rgba(239, 68, 68, 0.05);
}

/* Modern Player Bar */
.modern-player-bar {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-xl);
  padding: 0.75rem 1.25rem;
  margin-top: 0.75rem;
  margin-bottom: 0.75rem;
}

.player-play-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--accent-gradient);
  border: none;
  color: white;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(0, 242, 254, 0.3);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.player-play-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(0, 242, 254, 0.45);
}

.player-play-btn svg {
  margin-left: 2px; /* center play icon slightly */
}
.player-play-btn svg#pause-icon {
  margin-left: 0;
}

.player-canvas-wrap {
  flex: 1;
  position: relative;
  height: 56px;
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.player-time-info {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  white-space: nowrap;
  flex-shrink: 0;
}

.player-time-info #player-current-time {
  color: var(--accent-primary);
  font-weight: 600;
}

.time-separator {
  color: var(--text-muted);
  opacity: 0.5;
}

.player-secondary-controls {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.25rem;
}

.ctrl-btn-mini {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.ctrl-btn-mini:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.15);
  color: var(--text-primary);
}

.ctrl-btn-mini.active {
  background: rgba(0, 242, 254, 0.08);
  border-color: var(--accent-primary);
  color: var(--text-primary);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.1);
}

/* Trim Slider Overlays */
.trim-slider-overlay {
  -webkit-appearance: none;
  background: transparent;
  pointer-events: none;
  z-index: 10;
  outline: none;
}
.trim-slider-overlay::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 10px;
  height: 70px;
  background: var(--accent-gradient);
  cursor: ew-resize;
  border-radius: 2px;
  box-shadow: 0 0 6px rgba(0, 242, 254, 0.6);
  pointer-events: auto;
}
.trim-slider-overlay::-moz-range-thumb {
  width: 10px;
  height: 70px;
  background: var(--accent-gradient);
  cursor: ew-resize;
  border-radius: 2px;
  box-shadow: 0 0 6px rgba(0, 242, 254, 0.6);
  pointer-events: auto;
  border: none;
}