:root {
  --volt-purple: #502379;
  --volt-purple-dark: #371457;
  --volt-purple-light: #6a329e;
  --volt-green: #1BBE6F;
  --volt-yellow: #FDC220;
  --volt-blue: #82D0F4;
  --volt-red: #E63E12;
  --volt-dark: #141414;
  --volt-light: #F8F7FA;
  --volt-card-bg: #FFFFFF;
  --volt-border: #E0DAEA;
  --volt-border-focus: #502379;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 4px rgba(80, 35, 121, 0.06);
  --shadow-md: 0 4px 12px rgba(80, 35, 121, 0.1);
  --shadow-lg: 0 12px 32px rgba(80, 35, 121, 0.15);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Ubuntu', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: #F4F1F8;
  color: var(--volt-dark);
  line-height: 1.5;
  min-height: 100vh;
}

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

/* Header */
.app-header {
  background: linear-gradient(135deg, var(--volt-purple-dark) 0%, var(--volt-purple) 100%);
  color: #FFFFFF;
  padding: 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow-md);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.header-logo-box {
  background: #FFFFFF;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
}

.header-logo-box svg {
  display: block;
  height: 26px;
  width: auto;
}

.header-titles h1 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.header-subtitle {
  font-size: 0.875rem;
  color: var(--volt-blue);
  font-weight: 400;
}

.header-badges {
  display: flex;
  gap: 0.5rem;
}

.badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 0.6rem;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-party {
  background-color: var(--volt-yellow);
  color: var(--volt-dark);
}

.badge-style {
  background-color: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
}

/* Main Workspace */
.app-workspace {
  display: grid;
  grid-template-columns: 460px 1fr;
  gap: 2rem;
  padding: 2rem;
  max-width: 1800px;
  margin: 0 auto;
  width: 100%;
  flex: 1;
}

@media (max-width: 1100px) {
  .app-workspace {
    grid-template-columns: 1fr;
  }
}

/* Config Sidebar */
.config-panel {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.panel-section {
  background: var(--volt-card-bg);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  border: 1px solid var(--volt-border);
  box-shadow: var(--shadow-sm);
}

.section-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.step-num {
  background-color: var(--volt-purple);
  color: #FFFFFF;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
}

.section-title h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--volt-purple);
}

/* Preset Chips */
.preset-chips {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.preset-chip {
  text-align: left;
  background: #F8F6FB;
  border: 1px solid var(--volt-border);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  color: var(--volt-dark);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.preset-chip:hover {
  background: #EDE6F5;
  border-color: var(--volt-purple-light);
}

.preset-chip.active {
  background: var(--volt-purple);
  border-color: var(--volt-purple);
  color: #FFFFFF;
}

.preset-chip-badge {
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--volt-yellow);
  letter-spacing: 0.03em;
}

.preset-chip.active .preset-chip-badge {
  color: var(--volt-yellow);
}

/* Formats */
.format-category-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.tab-btn {
  flex: 1;
  padding: 0.4rem 0.6rem;
  background: #EFEBF5;
  border: 1px solid var(--volt-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  color: var(--volt-purple);
  transition: all 0.15s ease;
}

.tab-btn.active {
  background: var(--volt-purple);
  color: #FFFFFF;
  border-color: var(--volt-purple);
}

.format-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

.format-btn {
  background: #F8F6FB;
  border: 1px solid var(--volt-border);
  border-radius: var(--radius-sm);
  padding: 0.6rem;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  transition: all 0.15s ease;
}

.format-btn:hover {
  background: #EDE6F5;
  border-color: var(--volt-purple);
}

.format-btn.active {
  background: #EDE6F5;
  border-color: var(--volt-purple);
  box-shadow: 0 0 0 2px var(--volt-purple);
}

.format-btn-name {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--volt-purple);
}

.format-btn-dim {
  font-size: 0.7rem;
  color: #666666;
}

/* Form Controls */
.form-group {
  margin-bottom: 0.75rem;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  color: #444444;
  margin-bottom: 0.3rem;
}

.form-group input[type="text"],
.form-group select {
  width: 100%;
  padding: 0.55rem 0.75rem;
  font-family: inherit;
  font-size: 0.9rem;
  border: 1px solid var(--volt-border);
  border-radius: var(--radius-sm);
  background-color: #FFFFFF;
  color: var(--volt-dark);
  transition: border-color 0.15s ease;
}

.form-group input[type="text"]:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--volt-border-focus);
  box-shadow: 0 0 0 2px rgba(80, 35, 121, 0.15);
}

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

.input-with-accent input {
  flex: 1;
}

.input-with-accent select {
  width: 100px;
  font-weight: 700;
}

.form-row {
  display: flex;
  gap: 0.5rem;
}

.flex-1 {
  flex: 1;
}

.hidden {
  display: none !important;
}

/* Toggle Pills */
.mode-toggle-group {
  display: flex;
  background: #EFEBF5;
  padding: 3px;
  border-radius: var(--radius-sm);
  margin-bottom: 0.85rem;
  gap: 3px;
}

.toggle-pill {
  flex: 1;
  text-align: center;
  cursor: pointer;
}

.toggle-pill input[type="radio"] {
  display: none;
}

.toggle-pill span {
  display: block;
  padding: 0.4rem;
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  color: var(--volt-purple);
  transition: all 0.15s ease;
}

.toggle-pill input[type="radio"]:checked + span {
  background: #FFFFFF;
  color: var(--volt-purple);
  box-shadow: var(--shadow-sm);
}

/* Preview Panel */
.preview-panel {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--volt-card-bg);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--volt-border);
}

.format-info-tag {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--volt-purple);
}

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

.zoom-btn {
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--volt-border);
  background: #FFFFFF;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
}

.zoom-btn.active {
  background: var(--volt-purple);
  color: #FFFFFF;
  border-color: var(--volt-purple);
}

/* Viewport Wrapper */
.preview-viewport-wrapper {
  background: #2A2533;
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 600px;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.4);
  overflow: auto;
}

.svg-viewport {
  max-width: 100%;
  max-height: 75vh;
  box-shadow: var(--shadow-lg);
  border-radius: 4px;
  overflow: hidden;
  transition: transform 0.2s ease;
}

.svg-viewport svg {
  display: block;
  width: 100%;
  height: auto;
  max-height: 75vh;
}

/* Action Toolbar */
.action-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  background: var(--volt-card-bg);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--volt-border);
  box-shadow: var(--shadow-sm);
}

.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.1rem;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: none;
  transition: all 0.15s ease;
}

.btn-primary {
  background: var(--volt-purple);
  color: #FFFFFF;
}

.btn-primary:hover {
  background: var(--volt-purple-dark);
  transform: translateY(-1px);
}

.btn-secondary {
  background: #EFEBF5;
  color: var(--volt-purple);
}

.btn-secondary:hover {
  background: #DFD7EB;
  transform: translateY(-1px);
}

.btn-accent {
  background: var(--volt-yellow);
  color: var(--volt-dark);
  margin-left: auto;
}

.btn-accent:hover {
  background: #e6af1a;
  transform: translateY(-1px);
}

.toast-notification {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--volt-dark);
  color: #FFFFFF;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 700;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.25s ease;
  pointer-events: none;
  z-index: 1000;
}

.toast-notification.show {
  opacity: 1;
  transform: translateY(0);
}

/* Footer */
.app-footer {
  text-align: center;
  padding: 1.5rem;
  font-size: 0.8rem;
  color: #777777;
  border-top: 1px solid var(--volt-border);
  margin-top: auto;
}

.footer-meta {
  font-size: 0.75rem;
  color: #999999;
  margin-top: 0.25rem;
}

/* Print Stylesheet for Browser Printing */
@media print {
  @page {
    margin: 0;
    size: auto;
  }

  body {
    background: transparent !important;
  }

  .app-header,
  .config-panel,
  .preview-header,
  .action-toolbar,
  .app-footer,
  .toast-notification {
    display: none !important;
  }

  .app-container,
  .app-workspace,
  .preview-panel,
  .preview-viewport-wrapper {
    display: block !important;
    padding: 0 !important;
    margin: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    background: transparent !important;
    box-shadow: none !important;
  }

  .svg-viewport {
    width: 100vw !important;
    height: 100vh !important;
    max-height: none !important;
    box-shadow: none !important;
    border-radius: 0 !important;
  }

  .svg-viewport svg {
    width: 100vw !important;
    height: 100vh !important;
    max-height: none !important;
  }
}