/* ============================================================
   SCS Ad Generator — Main Stylesheet
   Dark theme with glassmorphism effects
   ============================================================ */

/* ---- Design Tokens (Custom Properties) ---- */
:root {
  /* Surfaces */
  --bg-body: #08080c;
  --bg-card: #101016;
  --bg-elevated: #18181f;
  --bg-glass: rgba(16, 16, 22, 0.8);
  --bg-input: #0c0c12;

  /* Gradient */
  --gradient-primary: linear-gradient(135deg, #6366f1, #a78bfa);
  --gradient-primary-hover: linear-gradient(135deg, #818cf8, #c4b5fd);

  /* Text */
  --text-primary: #e8e8f0;
  --text-muted: #9494b0;
  --text-hint: #6c6c88;
  --text-on-gradient: #ffffff;

  /* Borders */
  --border-default: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --border-focus: rgba(99, 102, 241, 0.5);
  --border-radius: 16px;
  --border-radius-sm: 10px;
  --border-radius-xs: 6px;
  --border-radius-pill: 100px;

  /* Semantic */
  --color-accent: #6366f1;
  --color-success: #22c55e;
  --color-error: #ef4444;
  --color-warning: #f59e0b;
  --color-info: #3b82f6;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 4px 24px rgba(99, 102, 241, 0.25);

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;

  /* Typography */
  --font-heading: 'Outfit', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Sizing */
  --header-height: 64px;
  --sidebar-width: 360px;
  --history-width: 400px;

  /* Transitions */
  --transition-fast: 120ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Z-layers */
  --z-base: 1;
  --z-sticky: 50;
  --z-header: 100;
  --z-overlay: 200;
  --z-panel: 250;
  --z-toast: 500;
  --z-modal: 600;
}


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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Subtle grid pattern behind everything */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(99, 102, 241, 0.04) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(167, 139, 250, 0.03) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: #818cf8;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
  font-size: inherit;
}

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
}


/* ============================================================
   Selection & Scrollbar
   ============================================================ */
::selection {
  background: rgba(99, 102, 241, 0.35);
  color: #ffffff;
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 100px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.14);
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.08) transparent;
}


/* ============================================================
   Focus Visible
   ============================================================ */
:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--border-radius-xs);
}


/* ============================================================
   Layout Shell
   ============================================================ */
.app-wrapper {
  position: relative;
  z-index: var(--z-base);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.app-body {
  flex: 1;
  padding-top: var(--header-height);
  display: flex;
  flex-direction: column;
}


/* ============================================================
   Header
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: var(--z-header);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-lg);
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-default);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.header-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.header-logo .logo-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--border-radius-sm);
  background: var(--gradient-primary);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 0.875rem;
}

.header-logo .logo-badge {
  font-size: 0.65rem;
  font-weight: 500;
  background: var(--bg-elevated);
  color: var(--text-muted);
  padding: 2px 8px;
  border-radius: var(--border-radius-pill);
  border: 1px solid var(--border-default);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}


/* ============================================================
   Tab Navigation
   ============================================================ */
.tab-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-md) var(--space-lg) 0;
  position: relative;
}

.tab-nav-inner {
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--border-radius-pill);
  padding: 4px;
}

.tab-btn {
  position: relative;
  padding: 10px 24px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: var(--border-radius-pill);
  transition:
    color var(--transition-base),
    background var(--transition-base);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  color: var(--text-on-gradient);
  background: var(--gradient-primary);
  box-shadow: var(--shadow-glow);
}

.tab-btn .tab-icon {
  font-size: 1rem;
  line-height: 1;
}


/* ============================================================
   Tab Panels
   ============================================================ */
.tab-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: var(--space-lg);
  overflow: hidden;
}

.tab-panel {
  display: none;
  flex: 1;
  min-height: 0;
  animation: fadeInPanel 300ms ease forwards;
}

.tab-panel.active {
  display: flex;
  flex-direction: column;
}

@keyframes fadeInPanel {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}


/* ============================================================
   Panel Layout (2-column: sidebar + main)
   ============================================================ */
.panel-layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  gap: var(--space-lg);
  flex: 1;
  min-height: 0;
}

.panel-layout.single-column {
  grid-template-columns: 1fr;
}

.panel-sidebar {
  overflow-y: auto;
  padding-right: var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.panel-main {
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}


/* ============================================================
   Card (Glass)
   ============================================================ */
.card {
  background: var(--bg-glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border-default);
  border-radius: var(--border-radius);
  padding: var(--space-lg);
  transition: border-color var(--transition-base);
}

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

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.card-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-default);
}


/* ============================================================
   Forms
   ============================================================ */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-label .required {
  color: var(--color-error);
  margin-left: 2px;
}

.form-hint {
  font-size: 0.75rem;
  color: var(--text-hint);
  margin-top: 2px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-size: 0.9rem;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-hint);
}

.form-input:hover,
.form-textarea:hover,
.form-select:hover {
  border-color: var(--border-hover);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12);
}

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

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236c6c88' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  cursor: pointer;
}

.form-select option {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

/* Inline form row */
.form-row {
  display: flex;
  gap: var(--space-md);
}

.form-row > .form-group {
  flex: 1;
}

/* Checkbox / Toggle */
.form-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.form-toggle input[type="checkbox"] {
  appearance: none;
  width: 40px;
  height: 22px;
  background: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: var(--border-radius-pill);
  position: relative;
  cursor: pointer;
  transition: background var(--transition-base);
  flex-shrink: 0;
}

.form-toggle input[type="checkbox"]::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--text-hint);
  transition: transform var(--transition-base), background var(--transition-base);
}

.form-toggle input[type="checkbox"]:checked {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.form-toggle input[type="checkbox"]:checked::after {
  transform: translateX(18px);
  background: #fff;
}


/* ============================================================
   Character Counter
   ============================================================ */
.char-count {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-hint);
  text-align: right;
  font-variant-numeric: tabular-nums;
  transition: color var(--transition-fast);
}

.char-count.warn {
  color: var(--color-warning);
}

.char-count.over {
  color: var(--color-error);
  font-weight: 600;
}


/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-weight: 550;
  font-size: 0.875rem;
  padding: 10px 22px;
  border-radius: var(--border-radius-pill);
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-base),
    opacity var(--transition-fast),
    background var(--transition-base),
    border-color var(--transition-base);
  white-space: nowrap;
  user-select: none;
  line-height: 1.2;
}

.btn:active {
  transform: scale(0.97);
}

.btn:disabled,
.btn[disabled] {
  opacity: 0.45;
  pointer-events: none;
  cursor: not-allowed;
}

/* Primary */
.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-on-gradient);
  border: none;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
  background: var(--gradient-primary-hover);
}

.btn-primary:active {
  transform: translateY(0) scale(0.97);
}

/* Autofill */
.btn-autofill {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 10px 16px;
  margin-bottom: 4px;
  background: rgba(99, 102, 241, 0.08);
  color: var(--color-accent);
  border: 1px dashed rgba(99, 102, 241, 0.3);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn-autofill:hover {
  background: rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.5);
  transform: translateY(-1px);
  box-shadow: 0 2px 12px rgba(99, 102, 241, 0.15);
}

.btn-autofill:active {
  transform: scale(0.97);
}

.btn-autofill:disabled {
  opacity: 0.5;
  pointer-events: none;
  cursor: not-allowed;
}

.btn-autofill svg {
  flex-shrink: 0;
}

.btn-autofill .loading-spinner {
  border-color: rgba(99, 102, 241, 0.2);
  border-top-color: var(--color-accent);
}

/* Secondary (Outlined) */
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-default);
}

.btn-secondary:hover {
  border-color: var(--border-hover);
  background: rgba(255, 255, 255, 0.03);
  transform: translateY(-1px);
}

/* Ghost */
.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  padding: 8px 14px;
}

.btn-ghost:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

/* Danger */
.btn-danger {
  background: var(--color-error);
  color: #fff;
  border: none;
}

.btn-danger:hover {
  background: #dc2626;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(239, 68, 68, 0.3);
}

/* Icon-only button */
.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--border-radius-sm);
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-default);
  display: inline-grid;
  place-items: center;
  font-size: 1.1rem;
  transition:
    color var(--transition-fast),
    border-color var(--transition-fast),
    background var(--transition-fast);
}

.btn-icon:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
  background: rgba(255, 255, 255, 0.04);
}

/* Small variant */
.btn-sm {
  font-size: 0.8rem;
  padding: 6px 14px;
}

.btn-icon.btn-sm {
  width: 32px;
  height: 32px;
  font-size: 0.95rem;
}

/* Large variant */
.btn-lg {
  font-size: 1rem;
  padding: 14px 32px;
}


/* ============================================================
   Platform Selector
   ============================================================ */
.platform-selector {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: var(--space-sm);
}

.platform-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: var(--space-md);
  background: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition:
    border-color var(--transition-base),
    background var(--transition-base),
    transform var(--transition-fast);
}

.platform-btn .platform-icon {
  font-size: 1.5rem;
  line-height: 1;
  transition: transform var(--transition-base);
}

.platform-btn .platform-label {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.platform-btn:hover {
  border-color: var(--border-hover);
  background: var(--bg-elevated);
  transform: translateY(-1px);
}

.platform-btn.active {
  border-color: transparent;
  background: var(--bg-elevated);
  box-shadow: inset 0 0 0 1.5px transparent;
  background-image: var(--gradient-primary);
  background-origin: border-box;
  background-clip: padding-box, border-box;
  background-color: var(--bg-elevated);
  /* Gradient border trick */
  border: 1.5px solid transparent;
  background:
    linear-gradient(var(--bg-elevated), var(--bg-elevated)) padding-box,
    var(--gradient-primary) border-box;
}

.platform-btn.active .platform-label {
  color: var(--text-primary);
}

.platform-btn.active .platform-icon {
  transform: scale(1.1);
}


/* ============================================================
   Variation Card (Result Cards)
   ============================================================ */
.variation-card {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

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

.variation-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border-default);
  background: rgba(255, 255, 255, 0.015);
}

.variation-card-header .variant-number {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.variation-card-header .variant-number span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.variation-card-body {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.variation-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.variation-field-label {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-hint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.variation-field-value {
  font-size: 0.9rem;
  color: var(--text-primary);
  line-height: 1.6;
  white-space: pre-wrap;
}

.variation-card-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  border-top: 1px solid var(--border-default);
  background: rgba(255, 255, 255, 0.01);
}


/* ============================================================
   Empty State
   ============================================================ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-2xl);
  min-height: 300px;
  gap: var(--space-md);
}

.empty-state-icon {
  font-size: 3rem;
  color: var(--text-hint);
  opacity: 0.5;
  margin-bottom: var(--space-sm);
}

.empty-state-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-muted);
}

.empty-state-desc {
  font-size: 0.875rem;
  color: var(--text-hint);
  max-width: 360px;
  line-height: 1.6;
}


/* ============================================================
   History Panel (Slide-out)
   ============================================================ */
.history-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: var(--z-overlay);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

.history-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.history-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: var(--history-width);
  height: 100vh;
  z-index: var(--z-panel);
  background: var(--bg-card);
  border-left: 1px solid var(--border-default);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.3);
}

.history-panel.open {
  transform: translateX(0);
}

.history-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  border-bottom: 1px solid var(--border-default);
  flex-shrink: 0;
}

.history-panel-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
}

.history-panel-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.history-item {
  padding: var(--space-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition:
    border-color var(--transition-fast),
    background var(--transition-fast);
}

.history-item:hover {
  border-color: var(--border-hover);
  background: rgba(255, 255, 255, 0.04);
}

.history-item-title {
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--text-primary);
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.history-item-meta {
  font-size: 0.75rem;
  color: var(--text-hint);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.history-item-meta .dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--text-hint);
}

/* History header/search/list (matches HTML structure) */
.history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  border-bottom: 1px solid var(--border-default);
  flex-shrink: 0;
}

.history-header h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0;
}

.history-actions {
  display: flex;
  gap: var(--space-xs);
}

.history-search {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--border-default);
}

.history-search input {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-size: 0.85rem;
  outline: none;
  box-sizing: border-box;
}

.history-search input:focus {
  border-color: var(--border-hover);
}

.history-list {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.history-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 100%;
  text-align: left;
}

.history-platform {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-hint);
}

.history-product {
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--text-primary);
}

.history-date {
  font-size: 0.75rem;
  color: var(--text-hint);
}

.history-empty {
  text-align: center;
  padding: var(--space-xl);
  color: var(--text-hint);
  font-size: 0.85rem;
}

/* ============================================================
   Toast Notifications
   ============================================================ */
.toast-container {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column-reverse;
  gap: var(--space-sm);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  min-width: 320px;
  max-width: 440px;
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-lg);
  pointer-events: auto;
  animation: toastSlideIn 350ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.toast.removing {
  animation: toastSlideOut 250ms ease forwards;
}

.toast-icon {
  font-size: 1.25rem;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 2px;
}

.toast-content {
  flex: 1;
  min-width: 0;
}

.toast-title {
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 2px;
}

.toast-message {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.toast-close {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: var(--border-radius-xs);
  color: var(--text-hint);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.toast-close:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}

/* Toast types */
.toast.success {
  border-left: 3px solid var(--color-success);
}

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

.toast.error {
  border-left: 3px solid var(--color-error);
}

.toast.error .toast-icon {
  color: var(--color-error);
}

.toast.info {
  border-left: 3px solid var(--color-info);
}

.toast.info .toast-icon {
  color: var(--color-info);
}

.toast.warning {
  border-left: 3px solid var(--color-warning);
}

.toast.warning .toast-icon {
  color: var(--color-warning);
}

@keyframes toastSlideIn {
  from {
    opacity: 0;
    transform: translateX(100%) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

@keyframes toastSlideOut {
  from {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
  to {
    opacity: 0;
    transform: translateX(100%) scale(0.95);
  }
}


/* ============================================================
   Loading Spinner
   ============================================================ */
.loading-spinner {
  width: 24px;
  height: 24px;
  border: 2.5px solid var(--border-default);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 750ms linear infinite;
  flex-shrink: 0;
}

.loading-spinner.sm {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

.loading-spinner.lg {
  width: 40px;
  height: 40px;
  border-width: 3px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Inline loading state */
.btn .loading-spinner {
  width: 16px;
  height: 16px;
  border-width: 2px;
  border-color: rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
}


/* ============================================================
   Badge
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  border-radius: var(--border-radius-pill);
  line-height: 1.6;
}

.badge-default {
  background: var(--bg-elevated);
  color: var(--text-muted);
  border: 1px solid var(--border-default);
}

.badge-primary {
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
}

.badge-success {
  background: rgba(34, 197, 94, 0.15);
  color: #4ade80;
}

.badge-error {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
}

.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
}


/* ============================================================
   Tag (Removable Pill)
   ============================================================ */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--border-radius-pill);
  font-size: 0.8rem;
  color: var(--text-primary);
}

.tag-remove {
  display: inline-grid;
  place-items: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  font-size: 0.7rem;
  color: var(--text-hint);
  transition: color var(--transition-fast), background var(--transition-fast);
  cursor: pointer;
}

.tag-remove:hover {
  color: var(--color-error);
  background: rgba(239, 68, 68, 0.15);
}

.tags-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}


/* ============================================================
   Modal
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: grid;
  place-items: center;
  padding: var(--space-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

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

.modal {
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  transform: scale(0.95) translateY(8px);
  transition: transform var(--transition-slow);
}

.modal-overlay.open .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  border-bottom: 1px solid var(--border-default);
}

.modal-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
}

.modal-body {
  padding: var(--space-lg);
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--border-default);
}


/* ============================================================
   Color Swatch
   ============================================================ */
.color-swatch {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--border-default);
  flex-shrink: 0;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.color-swatch:hover {
  transform: scale(1.15);
}

.color-swatch.active {
  box-shadow: 0 0 0 2px var(--bg-body), 0 0 0 4px var(--color-accent);
}

.color-swatches {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}


/* ============================================================
   Range Slider
   ============================================================ */
.range-input {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: var(--bg-input);
  border-radius: var(--border-radius-pill);
  outline: none;
  cursor: pointer;
  border: 1px solid var(--border-default);
}

.range-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--gradient-primary);
  border: 2px solid var(--bg-body);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

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

.range-input::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--gradient-primary);
  border: 2px solid var(--bg-body);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}

.range-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.range-value {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  min-width: 36px;
  text-align: right;
}


/* ============================================================
   Toolbar
   ============================================================ */
.toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--border-radius-sm);
}

.toolbar-divider {
  width: 1px;
  height: 24px;
  background: var(--border-default);
  margin: 0 var(--space-xs);
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 2px;
}

.toolbar .btn-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius-xs);
  border: none;
  font-size: 1rem;
}

.toolbar .btn-icon.active {
  background: rgba(99, 102, 241, 0.15);
  color: var(--color-accent);
}


/* ============================================================
   Canvas Wrapper (Banner Editor)
   ============================================================ */
.canvas-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-default);
  min-height: 400px;
  /* Checkered background pattern */
  background-color: var(--bg-input);
  background-image:
    linear-gradient(45deg, rgba(255, 255, 255, 0.02) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255, 255, 255, 0.02) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(255, 255, 255, 0.02) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(255, 255, 255, 0.02) 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0;
  position: relative;
}

.canvas-wrapper canvas {
  border-radius: var(--border-radius-xs);
  box-shadow: var(--shadow-lg);
}


/* ============================================================
   Template Grid
   ============================================================ */
.template-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-md);
}

.template-card {
  position: relative;
  border: 1px solid var(--border-default);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  cursor: pointer;
  transition:
    border-color var(--transition-base),
    transform var(--transition-fast),
    box-shadow var(--transition-base);
  aspect-ratio: 16 / 10;
  background: var(--bg-input);
}

.template-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.template-card.active {
  border: 1.5px solid transparent;
  background:
    linear-gradient(var(--bg-card), var(--bg-card)) padding-box,
    var(--gradient-primary) border-box;
  box-shadow: var(--shadow-glow);
}

.template-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.template-card-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-sm) var(--space-md);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  font-size: 0.78rem;
  font-weight: 500;
  color: #fff;
}


/* ============================================================
   Preview Device Frame
   ============================================================ */
.preview-device {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 100%;
}

.preview-device-frame {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.preview-device-frame.mobile {
  width: 375px;
  max-width: 100%;
}

.preview-device-frame.desktop {
  width: 100%;
  max-width: 728px;
}

.preview-device-frame .device-notch {
  height: 28px;
  background: var(--bg-body);
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-device-frame .device-notch::after {
  content: '';
  width: 80px;
  height: 4px;
  border-radius: var(--border-radius-pill);
  background: var(--border-default);
}

.preview-device-content {
  padding: var(--space-md);
}

.preview-toolbar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) 0;
}


/* ============================================================
   Skeleton Loading
   ============================================================ */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-elevated) 0%,
    rgba(255, 255, 255, 0.04) 50%,
    var(--bg-elevated) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.8s ease-in-out infinite;
  border-radius: var(--border-radius-xs);
}

.skeleton-text {
  height: 14px;
  margin-bottom: var(--space-sm);
}

.skeleton-text:last-child {
  width: 60%;
}

.skeleton-heading {
  height: 22px;
  width: 45%;
  margin-bottom: var(--space-md);
}

.skeleton-rect {
  height: 120px;
}

.skeleton-circle {
  border-radius: 50%;
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}


/* ============================================================
   Section Header (Utility)
   ============================================================ */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.section-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.section-action {
  font-size: 0.8rem;
  color: var(--color-accent);
  font-weight: 500;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.section-action:hover {
  color: #818cf8;
}


/* ============================================================
   Divider
   ============================================================ */
.divider {
  height: 1px;
  background: var(--border-default);
  margin: var(--space-md) 0;
}


/* ============================================================
   Text Utilities
   ============================================================ */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-muted {
  color: var(--text-muted);
}

.text-hint {
  color: var(--text-hint);
}

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

.text-error {
  color: var(--color-error);
}

.text-warning {
  color: var(--color-warning);
}

.text-sm {
  font-size: 0.8rem;
}

.text-xs {
  font-size: 0.72rem;
}

.text-mono {
  font-family: var(--font-mono);
}

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

.text-right {
  text-align: right;
}

.text-truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}


/* ============================================================
   Spacing Utilities
   ============================================================ */
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }


/* ============================================================
   Flex Utilities
   ============================================================ */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.flex-1 { flex: 1; }
.flex-shrink-0 { flex-shrink: 0; }


/* ============================================================
   Display Utilities
   ============================================================ */
.hidden { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}


/* ============================================================
   Animations
   ============================================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.animate-fadeIn { animation: fadeIn var(--transition-slow) forwards; }
.animate-fadeInUp { animation: fadeInUp var(--transition-slow) forwards; }
.animate-fadeInDown { animation: fadeInDown var(--transition-slow) forwards; }
.animate-scaleIn { animation: scaleIn var(--transition-slow) forwards; }
.animate-pulse { animation: pulse 2s ease-in-out infinite; }


/* ============================================================
   Results Grid
   ============================================================ */
.results-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-sm);
}

.results-count {
  font-size: 0.8rem;
  color: var(--text-hint);
}


/* ============================================================
   Preview Form (inline-styled inputs in dark theme)
   ============================================================ */
.preview-form input,
.preview-form textarea,
.preview-form select {
  background: var(--bg-input) !important;
  color: var(--text-primary) !important;
  font-family: var(--font-body);
}

.preview-form input::placeholder,
.preview-form textarea::placeholder {
  color: var(--text-hint);
}

.preview-form input:focus,
.preview-form textarea:focus,
.preview-form select:focus {
  border-color: var(--border-focus) !important;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.preview-form label {
  color: var(--text-muted) !important;
}


/* ============================================================
   Responsive: Tablet (max-width 1200px)
   ============================================================ */
@media (max-width: 1200px) {
  .panel-layout {
    grid-template-columns: 1fr;
  }

  .panel-sidebar {
    padding-right: 0;
    max-height: none;
  }

  .panel-main {
    max-height: none;
  }

  .history-panel {
    width: 100%;
    max-width: var(--history-width);
  }

  .template-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }
}


/* ============================================================
   Responsive: Mobile (max-width 768px)
   ============================================================ */
@media (max-width: 768px) {
  :root {
    --header-height: 56px;
    --space-lg: 16px;
    --space-xl: 24px;
  }

  .header {
    padding: 0 var(--space-md);
  }

  .header-logo .logo-badge {
    display: none;
  }

  .tab-nav {
    padding: var(--space-sm) var(--space-md) 0;
  }

  .tab-btn {
    padding: 8px 16px;
    font-size: 0.8rem;
  }

  .tab-btn .tab-icon {
    display: none;
  }

  .tab-content {
    padding: var(--space-md);
  }

  .card {
    padding: var(--space-md);
    border-radius: var(--border-radius-sm);
  }

  .platform-selector {
    grid-template-columns: repeat(3, 1fr);
  }

  .variation-card-body {
    padding: var(--space-md);
  }

  .variation-card-header {
    padding: var(--space-sm) var(--space-md);
  }

  .history-panel {
    width: 100%;
    max-width: none;
  }

  .toast-container {
    left: var(--space-md);
    right: var(--space-md);
    bottom: var(--space-md);
  }

  .toast {
    min-width: 0;
    max-width: none;
    width: 100%;
  }

  .modal {
    max-width: 100%;
    margin: var(--space-md);
    border-radius: var(--border-radius-sm);
  }

  .preview-device-frame.mobile {
    width: 100%;
  }

  .canvas-wrapper {
    padding: var(--space-md);
    min-height: 280px;
  }

  .template-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
  }

  .toolbar {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .form-row {
    flex-direction: column;
  }

  .btn-lg {
    width: 100%;
  }

  .empty-state {
    padding: var(--space-xl);
    min-height: 200px;
  }

  .empty-state-icon {
    font-size: 2.5rem;
  }
}


/* ============================================================
   Responsive: Small Mobile (max-width 480px)
   ============================================================ */
@media (max-width: 480px) {
  .tab-nav-inner {
    width: 100%;
  }

  .tab-btn {
    flex: 1;
    justify-content: center;
    padding: 8px 10px;
    font-size: 0.75rem;
  }

  .platform-selector {
    grid-template-columns: repeat(2, 1fr);
  }

  .header-right .btn-secondary span {
    display: none;
  }
}


/* ============================================================
   Print Styles
   ============================================================ */
@media print {
  body {
    background: #fff;
    color: #000;
  }

  body::before {
    display: none;
  }

  .header,
  .tab-nav,
  .panel-sidebar,
  .history-panel,
  .history-overlay,
  .toast-container,
  .toolbar,
  .btn,
  .modal-overlay {
    display: none !important;
  }

  .app-body {
    padding-top: 0;
  }

  .tab-panel {
    display: block !important;
  }

  .panel-layout {
    display: block;
  }

  .card {
    background: none;
    border: 1px solid #ddd;
    backdrop-filter: none;
    page-break-inside: avoid;
  }

  .variation-card {
    border: 1px solid #ccc;
    page-break-inside: avoid;
  }

  .variation-card-header {
    background: #f5f5f5;
  }

  .variation-field-value {
    color: #000;
  }

  a {
    color: #000;
    text-decoration: underline;
  }
}

/* ---- Brand Kit Modal ---- */
.brandkit-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s ease;
}
.brandkit-overlay.open { opacity: 1; }

.brandkit-modal {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--border-radius);
  width: 90%;
  max-width: 480px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.brandkit-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border-default);
}
.brandkit-header h3 { margin: 0; font-size: 1.1rem; }

.brandkit-body {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.brandkit-colors {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
}

.brandkit-color-wrap { position: relative; }

.brandkit-color {
  width: 48px;
  height: 48px;
  border: 2px solid var(--border-default);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  padding: 2px;
  background: var(--bg-input);
}

.brandkit-logo-preview {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}
.brandkit-logo-preview img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: var(--border-radius-xs);
  background: var(--bg-elevated);
}

.brandkit-logo-input {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.brandkit-footer {
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--border-default);
  display: flex;
  justify-content: flex-end;
}

/* ---- Preset Selector ---- */
.preset-selector { width: 100%; }

.preset-row {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}
.preset-row .form-select { flex: 1; }

/* ---- Language Selector ---- */
.language-selector {
  display: flex;
  gap: var(--space-xs);
}
.language-selector .lang-btn {
  flex: 1;
  padding: 6px 12px;
  border: 1px solid var(--border-default);
  border-radius: var(--border-radius-xs);
  background: var(--bg-input);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.15s ease;
}
.language-selector .lang-btn.active {
  background: var(--color-accent);
  color: var(--text-on-gradient);
  border-color: var(--color-accent);
}
.language-selector .lang-btn:hover:not(.active) {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

/* ---- Results language group header ---- */
.results-lang-group {
  margin-bottom: var(--space-lg);
}
.results-lang-header {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}