/* ==========================================================================
   VEBNOX's GitHub Profile README Generator
   Monochrome Black & White High-Contrast Enterprise Theme
   License: IETX License (https://licence.ietx.org)
   ========================================================================== */

:root {
  /* High-Contrast Black & White Monochrome Palette */
  --bg-dark: #09090b;
  --bg-card: #121215;
  --bg-card-hover: #1c1c21;
  --bg-input: #000000;
  
  --border-color: #27272a;
  --border-active: #ffffff;
  --border-glow: rgba(255, 255, 255, 0.3);

  --primary: #ffffff;
  --primary-hover: #e4e4e7;
  --primary-glow: rgba(255, 255, 255, 0.2);
  --secondary: #a1a1aa;
  --accent: #ffffff;
  --success: #22c55e;
  --danger: #ef4444;

  --text-main: #f4f4f5;
  --text-muted: #a1a1aa;
  --text-inverse: #000000;

  --font-heading: 'Outfit', -apple-system, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-code: 'Fira Code', monospace;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  --shadow-main: 0 4px 20px rgba(0, 0, 0, 0.8);
  --shadow-glow: 0 0 15px rgba(255, 255, 255, 0.15);

  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Mode Overrides */
[data-theme="light"] {
  --bg-dark: #f4f4f5;
  --bg-card: #ffffff;
  --bg-card-hover: #fafafa;
  --bg-input: #f4f4f5;
  
  --border-color: #e4e4e7;
  --border-active: #000000;
  --border-glow: rgba(0, 0, 0, 0.2);

  --primary: #000000;
  --primary-hover: #27272a;
  --primary-glow: rgba(0, 0, 0, 0.15);
  --secondary: #52525b;

  --text-main: #09090b;
  --text-muted: #71717a;
  --text-inverse: #ffffff;
}

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

body {
  font-family: var(--font-body);
  font-size: 0.85rem;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.45;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* Compact Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: #3f3f46;
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* Header Bar */
.app-header {
  height: 56px;
  padding: 0 1.2rem;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
}

.brand-icon {
  font-size: 1.3rem;
  color: var(--primary);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--text-main);
}

.brand-tag {
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  color: var(--text-muted);
}

.version-badge {
  background: #27272a;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.license-link {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 1px dashed var(--text-muted);
  transition: var(--transition-fast);
}
.license-link:hover {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.header-center {
  display: flex;
  align-items: center;
}

.template-selector-wrapper {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.autosave-status {
  font-size: 0.7rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 3px 8px;
  background: var(--bg-input);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

/* Button Styling */
.btn {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition-fast);
  outline: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: var(--text-inverse);
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 0 12px var(--primary-glow);
}

.btn-accent {
  background: #27272a;
  color: var(--text-main);
  border-color: #3f3f46;
}
.btn-accent:hover {
  background: #3f3f46;
  border-color: var(--primary);
}

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

.btn-icon {
  padding: 0.4rem 0.5rem;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}
.btn-icon:hover {
  border-color: var(--primary);
}

.btn-sm {
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
}

.hidden {
  display: none !important;
}

/* Dropdown */
.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  right: 0;
  top: 115%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-main);
  min-width: 170px;
  padding: 0.4rem;
  display: none;
  flex-direction: column;
  gap: 0.2rem;
  z-index: 200;
}

.dropdown.open .dropdown-menu {
  display: flex;
}

.dropdown-menu button {
  background: transparent;
  border: none;
  color: var(--text-main);
  padding: 0.45rem 0.6rem;
  font-size: 0.78rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  width: 100%;
  text-align: left;
  transition: var(--transition-fast);
}

.dropdown-menu button:hover {
  background: #27272a;
}

.dropdown-menu button.danger-item:hover {
  background: rgba(239, 68, 68, 0.2);
  color: var(--danger);
}

/* Main Layout Grid */
.app-main {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
  padding: 0.8rem 1.2rem;
  max-width: 1800px;
  margin: 0 auto;
  width: 100%;
}

/* Left Editor Section */
.editor-section {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  max-height: calc(100vh - 90px);
  overflow: hidden;
}

/* Section Tabs */
.section-tabs {
  display: flex;
  gap: 0.3rem;
  overflow-x: auto;
  padding-bottom: 0.2rem;
}

.editor-tab-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.4rem 0.7rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  white-space: nowrap;
  transition: var(--transition-fast);
}

.editor-tab-btn:hover {
  color: var(--text-main);
  border-color: #52525b;
}

.editor-tab-btn.active {
  background: var(--primary);
  color: var(--text-inverse);
  border-color: var(--primary);
}

/* Form Container */
.form-container {
  flex: 1;
  overflow-y: auto;
  padding-right: 0.3rem;
}

.tab-pane {
  display: none;
}
.tab-pane.active {
  display: block;
}

.card-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1rem;
  box-shadow: var(--shadow-main);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-main);
}

.card-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: -0.6rem;
}

.card-sub-box {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem;
}

/* Form Fields */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.form-group label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.required {
  color: var(--danger);
}

.form-input, .select-input, .form-textarea {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.45rem 0.65rem;
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 0.8rem;
  outline: none;
  transition: var(--transition-fast);
}

.form-input:focus, .select-input:focus, .form-textarea:focus {
  border-color: var(--border-active);
  box-shadow: 0 0 0 2px var(--primary-glow);
}

.input-icon-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}
.input-icon {
  position: absolute;
  left: 0.65rem;
  color: var(--text-muted);
}
.input-icon-wrapper .form-input {
  padding-left: 2rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

.form-col {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.color-picker {
  -webkit-appearance: none;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  width: 100%;
  height: 32px;
  cursor: pointer;
  background: var(--bg-input);
  padding: 2px;
}
.color-picker::-webkit-color-swatch-wrapper { padding: 0; }
.color-picker::-webkit-color-swatch { border: none; border-radius: var(--radius-sm); }

/* Segmented Control */
.segmented-control {
  display: flex;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2px;
  gap: 2px;
}

.segment-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.35rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  transition: var(--transition-fast);
}

.segment-btn.active {
  background: var(--primary);
  color: var(--text-inverse);
}

/* Checkbox Wrappers */
.checkbox-wrapper {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
}

.custom-checkbox {
  width: 15px;
  height: 15px;
  accent-color: var(--primary);
  cursor: pointer;
}

.checkbox-label-text, .checkbox-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
}

.sub-form-group {
  margin-top: 0.5rem;
  padding-left: 0.5rem;
  border-left: 2px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.checkbox-group-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 0.4rem;
}

/* Tech Badges Grid */
.badge-controls-bar {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.search-box { position: relative; }
.search-icon {
  position: absolute;
  left: 0.65rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}
.search-input { padding-left: 2rem; }

.badge-summary {
  font-size: 0.75rem;
  color: var(--text-muted);
}
.badge-count {
  color: var(--primary);
  font-weight: 700;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(115px, 1fr));
  gap: 0.45rem;
  max-height: 360px;
  overflow-y: auto;
  padding-right: 0.2rem;
}

.tech-card {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.45rem 0.55rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  transition: var(--transition-fast);
  user-select: none;
}

.tech-card:hover {
  border-color: #52525b;
  background: var(--bg-card-hover);
}

.tech-card.selected {
  border-color: var(--primary);
  background: #27272a;
}

.tech-icon {
  width: 16px;
  height: 16px;
  object-fit: contain;
}

.tech-name {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Social Inputs Grid */
.social-input-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

/* Right Preview Section */
.preview-section {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-main);
  overflow: hidden;
  max-height: calc(100vh - 90px);
}

.preview-header {
  padding: 0.5rem 0.8rem;
  background: var(--bg-input);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.preview-tabs {
  display: flex;
  gap: 0.3rem;
}

.preview-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  transition: var(--transition-fast);
}

.preview-tab-btn:hover { color: var(--text-main); }
.preview-tab-btn.active {
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.preview-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.preview-info {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-family: var(--font-code);
}

.preview-body {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
}

.preview-pane { display: none; }
.preview-pane.active { display: block; }

/* Markdown Preview Body */
.markdown-body {
  color: var(--text-main);
  line-height: 1.5;
  font-size: 0.85rem;
}

.markdown-body img {
  max-width: 100%;
  display: inline-block;
  margin: 3px 2px;
}

.markdown-body h1, .markdown-body h2, .markdown-body h3 {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.25em;
  margin-top: 0.8em;
  margin-bottom: 0.5em;
}

.markdown-body p { margin-bottom: 0.6em; }
.markdown-body ul { padding-left: 1.4em; margin-bottom: 0.6em; }

/* Raw Code */
#raw-markdown-container pre {
  font-family: var(--font-code);
  font-size: 0.78rem;
  color: var(--text-main);
  white-space: pre-wrap;
  word-break: break-all;
  background: var(--bg-input);
  padding: 0.8rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  z-index: 1000;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--primary);
  color: var(--text-main);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: var(--shadow-main);
}

/* Footer */
.app-footer {
  padding: 0.6rem 1.2rem;
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-align: center;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1800px;
  margin: 0 auto;
}

/* Full Mobile Responsiveness */
@media (max-width: 768px) {
  .app-header {
    height: auto;
    padding: 0.6rem;
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  
  .header-center { display: none; }
  .version-badge { display: none; }

  .app-main {
    grid-template-columns: 1fr;
    padding: 0.5rem;
  }

  .editor-section, .preview-section {
    max-height: none;
  }

  .social-input-grid {
    grid-template-columns: 1fr;
  }

  .tech-grid {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  }
}