/* ==========================================================================
   I LOVE FILES — ZAPIER SETTINGS & OFF+BRAND DESIGN SYSTEM
   Modern, user-friendly SaaS settings architecture powered by OFF+BRAND
   precision typography, warm parchment canvas, and clean hairline card grids.
   ========================================================================== */

:root {
  /* OFF+BRAND Palette (Warm Parchment, Paper White, Ash Hairlines, Deep Ink) */
  --bg-parchment: #f5f4f0;      /* Warm off-white canvas */
  --bg-paper: #ffffff;          /* Elevated card surfaces */
  --bg-stone: #ecebe6;          /* Mid-tone secondary surface */
  --bg-stone-subtle: #f9f8f5;   /* Light input surface */
  --border-ash: #d5d4ce;        /* Hairline 1px border */
  --border-ash-light: #e6e5e0;  /* Subtle divider */
  --text-ink: #1a1a19;          /* Primary deep ink typography */
  --text-muted: #666560;        /* Secondary description text */
  --text-caption: #8c8b85;      /* Museum signage metadata */
  
  /* Zapier Signature & Dynamic Action Accents */
  --zapier-orange: #ff4f00;
  --zapier-orange-hover: #e04500;
  --zapier-orange-subtle: #fff2eb;
  --accent-ink: #1a1a19;
  --accent-ink-hover: #333331;
  --accent-blue: #2563eb;
  --accent-green: #16a34a;
  
  /* OFF+BRAND Iridescent Chromatic Beacon */
  --gradient-beacon: linear-gradient(135deg, #facb0e 0%, #f06ba8 35%, #78bae6 70%, #ffffff 100%);
  
  /* Modern Geometric Sans-Serif Font Stack */
  --font-sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  
  /* Geometry & Shadows */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;
  
  --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.04), 0 4px 12px rgba(0, 0, 0, 0.02);
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.03);
  --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.08), 0 12px 32px rgba(0, 0, 0, 0.04);
  
  --transition-fast: 150ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 250ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   DARK THEME SYSTEM (OFF+BRAND Slate & Midnight Velvet)
   ========================================================================== */
[data-theme="dark"] {
  --bg-parchment: #0f1013;      /* Deep obsidian canvas */
  --bg-paper: #18191e;          /* Elevated slate surface */
  --bg-stone: #23252c;          /* Secondary elements & tags */
  --bg-stone-subtle: #1c1d23;   /* Recessed fields & dropzones */
  --border-ash: #2c2e37;        /* Crisp hairline boundary */
  --border-ash-light: #22242a;  /* Subtle inner dividers */
  --text-ink: #f5f5f7;          /* High contrast primary typography */
  --text-muted: #9fa4b0;        /* Readable secondary typography */
  --text-caption: #6b707d;      /* Museum metadata */

  --zapier-orange: #ff5714;
  --zapier-orange-hover: #ff6c2e;
  --zapier-orange-subtle: rgba(255, 87, 20, 0.16);
  --accent-ink: #f5f5f7;
  --accent-ink-hover: #ffffff;
  --accent-blue: #3b82f6;
  --accent-green: #22c55e;

  --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.4), 0 4px 12px rgba(0, 0, 0, 0.25);
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.5), 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.65), 0 12px 32px rgba(0, 0, 0, 0.5);
}

/* Smooth transition when toggling theme */
html.theme-transitioning,
html.theme-transitioning *,
html.theme-transitioning *::before,
html.theme-transitioning *::after {
  transition: background-color 220ms ease, border-color 220ms ease, color 220ms ease, box-shadow 220ms ease !important;
}

/* ==========================================================================
   GLOBAL RESET & FOUNDATION
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-parchment);
  color: var(--text-ink);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* ==========================================================================
   APP HEADER & NAVIGATION (Zapier Settings Inspired)
   ========================================================================== */
.app-header {
  background-color: var(--bg-paper);
  border-bottom: 1px solid var(--border-ash);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header-top {
  max-width: 1320px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}

/* Vibrant Brand Logo */
.brand-logo-img {
  height: 48px;
  width: auto;
  max-width: 56px;
  object-fit: contain;
  flex-shrink: 0;
  filter: drop-shadow(0 3px 10px rgba(45, 110, 245, 0.30)) drop-shadow(0 2px 6px rgba(215, 50, 140, 0.25));
  transition: transform var(--transition-smooth), filter var(--transition-smooth);
}

.brand-wrap:hover .brand-logo-img {
  transform: scale(1.08);
  filter: drop-shadow(0 6px 18px rgba(45, 110, 245, 0.48)) drop-shadow(0 4px 12px rgba(215, 50, 140, 0.42));
}

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

.brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-ink);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.brand-title span.accent-tag {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background-color: var(--zapier-orange-subtle);
  color: var(--zapier-orange);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 79, 0, 0.2);
}

.brand-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 400;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header-meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--bg-stone-subtle);
  border: 1px solid var(--border-ash);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-muted);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent-green);
  box-shadow: 0 0 0 2px rgba(22, 163, 74, 0.2);
}

/* Theme Toggle Pill Button */
.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background-color: var(--bg-stone-subtle);
  border: 1px solid var(--border-ash);
  color: var(--text-ink);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.theme-toggle-btn:hover {
  border-color: var(--text-ink);
  background-color: var(--bg-stone);
  transform: translateY(-1px);
}

.theme-icon-sun {
  display: none !important;
}

.theme-icon-moon {
  display: inline-block !important;
  color: #6366f1;
}

[data-theme="dark"] .theme-icon-moon {
  display: none !important;
}

[data-theme="dark"] .theme-icon-sun {
  display: inline-block !important;
  color: #fbbf24;
}

/* Zapier Horizontal Settings Tabs */
.nav-tab-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.nav-tab-container::-webkit-scrollbar {
  display: none;
}

.nav-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

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

.nav-tab-btn.active {
  color: var(--text-ink);
  border-bottom-color: var(--zapier-orange);
}

.nav-tab-badge {
  font-size: 0.72rem;
  background-color: var(--bg-stone);
  color: var(--text-ink);
  padding: 2px 7px;
  border-radius: var(--radius-full);
  font-weight: 600;
}

.nav-tab-btn.active .nav-tab-badge {
  background-color: var(--zapier-orange);
  color: #ffffff;
}

/* ==========================================================================
   LAYOUT CONTAINER
   ========================================================================== */
.main-wrapper {
  max-width: 1320px;
  margin: 2rem auto;
  padding: 0 1.5rem;
  width: 100%;
  flex: 1;
}

/* View Sections */
.studio-view {
  display: none;
  animation: fadeIn 0.2s ease-out;
}

.studio-view.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* OFF+BRAND Section Tag */
.offbrand-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-caption);
  margin-bottom: 0.4rem;
}

/* ==========================================================================
   ZAPIER STEP PROGRESSION BAR
   ========================================================================== */
.zapier-step-strip {
  display: flex;
  align-items: center;
  background-color: var(--bg-paper);
  border: 1px solid var(--border-ash);
  border-radius: var(--radius-lg);
  padding: 1rem 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-subtle);
  overflow-x: auto;
}

.zapier-step {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-caption);
  white-space: nowrap;
  flex-shrink: 0;
}

.zapier-step.active {
  color: var(--text-ink);
}

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

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--bg-stone);
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.85rem;
  transition: all var(--transition-fast);
}

.zapier-step.active .step-num {
  background-color: var(--zapier-orange);
  color: #ffffff;
  box-shadow: 0 0 0 3px var(--zapier-orange-subtle);
}

.zapier-step.completed .step-num {
  background-color: var(--text-ink);
  color: #ffffff;
}

.step-meta {
  display: flex;
  flex-direction: column;
}

.step-title {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.step-sub {
  font-size: 0.75rem;
  color: var(--text-caption);
}

.step-connector {
  flex: 1;
  height: 1px;
  background-color: var(--border-ash-light);
  margin: 0 1.25rem;
  min-width: 24px;
}

/* ==========================================================================
   SEARCH & CATEGORY FILTER PILLS
   ========================================================================== */
.hub-search-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.hub-search-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background-color: var(--bg-paper);
  border: 1px solid var(--border-ash);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.25rem;
  box-shadow: var(--shadow-subtle);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.hub-search-box:focus-within {
  border-color: var(--zapier-orange);
  box-shadow: 0 0 0 3px var(--zapier-orange-subtle);
}

.hub-search-box input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  color: var(--text-ink);
  font-size: 0.95rem;
}

.hub-search-box input[type="search"]::-webkit-search-decoration,
.hub-search-box input[type="search"]::-webkit-search-cancel-button,
.hub-search-box input[type="search"]::-webkit-search-results-button,
.hub-search-box input[type="search"]::-webkit-search-results-decoration {
  -webkit-appearance: none;
}

.hub-search-box input:-webkit-autofill,
.hub-search-box input:-webkit-autofill:hover, 
.hub-search-box input:-webkit-autofill:focus,
.hub-search-box input:-webkit-autofill:active {
  -webkit-box-shadow: 0 0 0 1000px var(--bg-paper) inset !important;
  -webkit-text-fill-color: var(--text-ink) !important;
  transition: background-color 5000s ease-in-out 0s;
}

.hub-search-box input::placeholder {
  color: var(--text-caption);
}

.hub-search-kbd {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-caption);
  background-color: var(--bg-stone);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.04em;
}

.hub-filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-pill {
  border: 1px solid var(--border-ash);
  background-color: var(--bg-paper);
  color: var(--text-muted);
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-pill:hover {
  border-color: var(--text-ink);
  color: var(--text-ink);
}

.filter-pill.active {
  background-color: var(--text-ink);
  color: #ffffff;
  border-color: var(--text-ink);
}

/* ==========================================================================
   26 TOOL CARDS GRID
   ========================================================================== */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.85rem;
  margin-bottom: 2rem;
}

.tool-card {
  background-color: var(--bg-paper);
  border: 1px solid var(--border-ash);
  border-radius: var(--radius-md);
  padding: 1.15rem 0.85rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.75rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-subtle);
  position: relative;
  overflow: hidden;
}

.tool-card:hover {
  transform: translateY(-2px);
  border-color: var(--text-ink);
  box-shadow: var(--shadow-card);
}

.tool-card.active {
  border-color: var(--zapier-orange);
  box-shadow: 0 0 0 2px var(--zapier-orange);
  background-color: var(--bg-stone-subtle);
}

.tool-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

/* Category Accent Badges */
.icon-blue   { background-color: #ebf5ff; color: #1e40af; border: 1px solid #bfdbfe; }
.icon-green  { background-color: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.icon-orange { background-color: #fff7ed; color: #c2410c; border: 1px solid #fed7aa; }
.icon-purple { background-color: #f5f3ff; color: #5b21b6; border: 1px solid #ddd6fe; }
.icon-teal   { background-color: #f0fdfa; color: #115e59; border: 1px solid #99f6e4; }
.icon-red    { background-color: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.icon-dark   { background-color: #f3f4f6; color: #1f2937; border: 1px solid #e5e7eb; }

.tool-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-ink);
  line-height: 1.3;
}

/* ==========================================================================
   CONTEXTUAL CONFIGURATION DRAWER (Step 2 Container)
   ========================================================================== */
.context-panel {
  background-color: var(--bg-paper);
  border: 1px solid var(--border-ash);
  border-radius: var(--radius-xl);
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-card);
  animation: slideDown 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.context-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-ash-light);
}

.context-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-ink);
  letter-spacing: -0.02em;
}

.context-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

/* Modern Clean Dropzone */
.broadsheet-dropzone {
  background-color: var(--bg-stone-subtle);
  border: 2px dashed var(--border-ash);
  border-radius: var(--radius-lg);
  padding: 2.5rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
}

.broadsheet-dropzone:hover,
.broadsheet-dropzone.dragover {
  background-color: var(--zapier-orange-subtle);
  border-color: var(--zapier-orange);
}

.drop-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--bg-paper);
  border: 1px solid var(--border-ash);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--zapier-orange);
  box-shadow: var(--shadow-subtle);
}

.drop-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-ink);
}

.drop-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* File Loaded Strip */
.file-loaded-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-stone-subtle);
  border: 1px solid var(--border-ash);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.25rem;
}

.file-loaded-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.file-loaded-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background-color: #ecfdf5;
  color: #16a34a;
  display: flex;
  align-items: center;
  justify-content: center;
}

.file-loaded-name {
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--text-ink);
}

.file-loaded-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.file-loaded-remove {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 4px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

.file-loaded-remove:hover {
  color: #ef4444;
}

/* Form Controls & Inputs */
.control-group {
  margin-top: 1.25rem;
}

.control-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.broadsheet-input,
.broadsheet-select {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: var(--bg-paper);
  border: 1px solid var(--border-ash);
  border-radius: var(--radius-md);
  color: var(--text-ink);
  font-size: 0.92rem;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-subtle);
}

.broadsheet-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666560' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 16px;
  padding-right: 2.5rem;
}

.broadsheet-input:focus,
.broadsheet-select:focus {
  outline: none;
  border-color: var(--zapier-orange);
  box-shadow: 0 0 0 3px var(--zapier-orange-subtle);
}

.use-case-note {
  margin-top: 0.65rem;
  padding: 0.65rem 0.85rem;
  background-color: var(--bg-stone-subtle);
  border: 1px solid var(--border-ash-light);
  border-left: 3px solid var(--zapier-orange);
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.4;
  border-radius: 4px;
}

/* Action Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 0.92rem;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  text-decoration: none;
}

.btn-ember,
.btn-primary {
  background-color: var(--text-ink);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.btn-ember:hover:not(:disabled),
.btn-primary:hover:not(:disabled) {
  background-color: var(--zapier-orange);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255, 79, 0, 0.25);
}

.btn-ember:disabled,
.btn-primary:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background-color: var(--bg-paper);
  border: 1px solid var(--border-ash);
  color: var(--text-ink);
}

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

.btn-secondary.active {
  background-color: var(--text-ink);
  color: #ffffff;
  border-color: var(--text-ink);
}

/* Progress Bar */
.progress-container {
  background-color: var(--bg-stone-subtle);
  border: 1px solid var(--border-ash);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.progress-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-ink);
  margin-bottom: 0.5rem;
}

.progress-track {
  height: 8px;
  background-color: var(--bg-stone);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: var(--zapier-orange);
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
}

/* Result & Error Cards */
.result-card {
  background-color: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.result-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1rem;
  font-weight: 700;
  color: #166534;
  margin-bottom: 0.35rem;
}

.result-metrics {
  font-size: 0.85rem;
  color: #15803d;
  margin-bottom: 1rem;
}

.error-banner {
  background-color: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #991b1b;
  font-size: 0.88rem;
  font-weight: 500;
}

/* ==========================================================================
   CAD STUDIO & GENERAL PANELS
   ========================================================================== */
.broadsheet-card {
  background-color: var(--bg-paper);
  border: 1px solid var(--border-ash);
  border-radius: var(--radius-xl);
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-card);
}

.card-title {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-ink);
  margin-bottom: 0.4rem;
}

.card-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 1.5rem;
}

.grid-2col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.grid-3col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

/* Radio Group Pills */
.radio-pill-group {
  display: flex;
  gap: 0.5rem;
}

.radio-pill-label {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem 1rem;
  border: 1px solid var(--border-ash);
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.radio-pill-label:has(input:checked) {
  background-color: var(--text-ink);
  color: #ffffff;
  border-color: var(--text-ink);
}

.radio-pill-label input {
  display: none;
}

/* ==========================================================================
   TECHNICAL FAQS ACCORDION
   ========================================================================== */
.faq-section {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.faq-item {
  background-color: var(--bg-paper);
  border: 1px solid var(--border-ash);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--text-ink);
}

.faq-header {
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.faq-question {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-ink);
}

.faq-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-stone);
  color: var(--text-muted);
}

.faq-chevron {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  transition: transform var(--transition-smooth);
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
  color: var(--zapier-orange);
}

.faq-body {
  display: none;
  padding: 0 1.5rem 1.5rem 1.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  border-top: 1px solid var(--border-ash-light);
  margin-top: 0.5rem;
  padding-top: 1.25rem;
}

.faq-item.open .faq-body {
  display: block;
}

.faq-code-snippet {
  background-color: var(--bg-stone-subtle);
  border: 1px solid var(--border-ash);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-ink);
  margin-top: 0.75rem;
  overflow-x: auto;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.app-footer {
  background-color: var(--bg-paper);
  border-top: 1px solid var(--border-ash);
  padding: 2rem 1.5rem;
  margin-top: 3rem;
}

.footer-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

@media (max-width: 768px) {
  .header-top {
    flex-direction: column;
    align-items: flex-start;
  }
  .header-actions {
    width: 100%;
    justify-content: space-between;
  }
  .tool-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }
  .context-panel {
    padding: 1.25rem;
  }
}

/* ==========================================================================
   DARK THEME COMPONENT OVERRIDES
   ========================================================================== */
[data-theme="dark"] .app-header {
  background-color: rgba(24, 25, 30, 0.88);
  border-bottom-color: var(--border-ash);
}

[data-theme="dark"] .brand-title span.accent-tag {
  background-color: rgba(255, 87, 20, 0.18);
  color: var(--zapier-orange);
  border-color: rgba(255, 87, 20, 0.35);
}

[data-theme="dark"] .brand-logo-img {
  filter: drop-shadow(0 4px 14px rgba(59, 130, 246, 0.55)) drop-shadow(0 2px 8px rgba(236, 72, 153, 0.5));
}

[data-theme="dark"] .brand-wrap:hover .brand-logo-img {
  filter: drop-shadow(0 6px 20px rgba(59, 130, 246, 0.75)) drop-shadow(0 3px 12px rgba(236, 72, 153, 0.7));
}

[data-theme="dark"] .broadsheet-select {
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%239fa4b0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
}

[data-theme="dark"] .icon-blue   { background-color: rgba(37, 99, 235, 0.16); color: #60a5fa; border-color: rgba(59, 130, 246, 0.3); }
[data-theme="dark"] .icon-green  { background-color: rgba(22, 163, 74, 0.16); color: #4ade80; border-color: rgba(34, 197, 94, 0.3); }
[data-theme="dark"] .icon-orange { background-color: rgba(255, 87, 20, 0.16); color: #fb923c; border-color: rgba(251, 146, 60, 0.3); }
[data-theme="dark"] .icon-purple { background-color: rgba(147, 51, 234, 0.16); color: #c084fc; border-color: rgba(192, 132, 252, 0.3); }
[data-theme="dark"] .icon-teal   { background-color: rgba(20, 184, 166, 0.16); color: #2dd4bf; border-color: rgba(45, 212, 191, 0.3); }
[data-theme="dark"] .icon-red    { background-color: rgba(239, 68, 68, 0.16); color: #f87171; border-color: rgba(248, 113, 113, 0.3); }
[data-theme="dark"] .icon-dark   { background-color: rgba(255, 255, 255, 0.08); color: #e5e7eb; border-color: rgba(255, 255, 255, 0.15); }

[data-theme="dark"] .tool-card.active {
  background-color: rgba(255, 87, 20, 0.1);
  border-color: var(--zapier-orange);
}

[data-theme="dark"] .broadsheet-dropzone:hover,
[data-theme="dark"] .broadsheet-dropzone.dragover {
  background-color: rgba(255, 87, 20, 0.12);
  border-color: var(--zapier-orange);
}

[data-theme="dark"] .file-loaded-icon {
  background-color: rgba(22, 163, 74, 0.2);
  color: #4ade80;
}

[data-theme="dark"] .result-card {
  background-color: rgba(22, 101, 52, 0.18);
  border-color: rgba(34, 197, 94, 0.35);
}

[data-theme="dark"] .result-header {
  color: #4ade80;
}

[data-theme="dark"] .result-metrics {
  color: #86efac;
}

[data-theme="dark"] .error-banner {
  background-color: rgba(153, 27, 27, 0.22);
  border-color: rgba(239, 68, 68, 0.35);
  color: #fca5a5;
}

[data-theme="dark"] .btn-primary,
[data-theme="dark"] .btn-ember {
  background-color: var(--zapier-orange);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(255, 87, 20, 0.35);
}

[data-theme="dark"] .btn-primary:hover:not(:disabled),
[data-theme="dark"] .btn-ember:hover:not(:disabled) {
  background-color: var(--zapier-orange-hover);
  box-shadow: 0 4px 14px rgba(255, 87, 20, 0.5);
}

[data-theme="dark"] .filter-pill.active {
  background-color: var(--zapier-orange);
  border-color: var(--zapier-orange);
  color: #ffffff;
}

[data-theme="dark"] .radio-pill-label:has(input:checked) {
  background-color: var(--zapier-orange);
  border-color: var(--zapier-orange);
  color: #ffffff;
}

[data-theme="dark"] .zapier-step.completed .step-num {
  background-color: #3b82f6;
  color: #ffffff;
}

[data-theme="dark"] .btn-secondary.active {
  background-color: var(--zapier-orange);
  border-color: var(--zapier-orange);
  color: #ffffff;
}

/* ==========================================================================
   SAAS HEADER, AUTH & USER PROFILE
   ========================================================================== */
.header-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: transparent;
  border: 1px solid var(--border-ash);
  border-radius: var(--radius-full);
  padding: 0.4rem 0.85rem;
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text-ink);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.header-link-btn:hover {
  background-color: var(--bg-stone);
  border-color: var(--border-ash);
}

.auth-btn-group {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-ghost-nav {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.86rem;
  font-weight: 500;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.btn-ghost-nav:hover {
  color: var(--text-ink);
  background-color: var(--bg-stone);
}

.btn-primary-nav {
  background-color: var(--zapier-orange);
  border: 1px solid var(--zapier-orange);
  color: #ffffff;
  font-size: 0.86rem;
  font-weight: 600;
  padding: 0.42rem 0.95rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(255, 79, 0, 0.25);
  transition: all var(--transition-fast);
}

.btn-primary-nav:hover {
  background-color: var(--zapier-orange-hover);
  border-color: var(--zapier-orange-hover);
  box-shadow: 0 2px 6px rgba(255, 79, 0, 0.35);
  transform: translateY(-1px);
}

/* User Profile Trigger */
.user-profile-wrap {
  position: relative;
}

.user-menu-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--bg-paper);
  border: 1px solid var(--border-ash);
  border-radius: var(--radius-full);
  padding: 0.3rem 0.75rem 0.3rem 0.35rem;
  cursor: pointer;
  color: var(--text-ink);
  font-size: 0.86rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.user-menu-trigger:hover {
  border-color: var(--zapier-orange);
  box-shadow: var(--shadow-subtle);
}

.user-avatar-initials {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--zapier-orange), #ff8447);
  color: #ffffff;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.badge-plan-tier {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-full);
  background: var(--bg-stone);
  color: var(--text-muted);
  text-transform: uppercase;
}

.badge-plan-tier.pro {
  background: linear-gradient(135deg, rgba(255, 79, 0, 0.15), rgba(255, 132, 71, 0.25));
  color: var(--zapier-orange);
  border: 1px solid rgba(255, 79, 0, 0.35);
}

/* User Profile Dropdown Card */
.user-dropdown-card {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 260px;
  background: var(--bg-paper);
  border: 1px solid var(--border-ash);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hover);
  padding: 0.75rem;
  z-index: 1200;
  animation: dropdownFadeIn 160ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

.user-dropdown-header {
  padding: 0.35rem 0.5rem 0.65rem 0.5rem;
}

.user-dropdown-name {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-ink);
}

.user-dropdown-email {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.1rem;
  word-break: break-all;
}

.user-dropdown-badge {
  display: inline-block;
  margin-top: 0.4rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-full);
  background: var(--bg-stone);
  color: var(--text-muted);
}

.user-dropdown-badge.pro {
  background: var(--zapier-orange);
  color: #ffffff;
}

/* Daily Quota Widget inside Dropdown */
.user-quota-section {
  background: var(--bg-stone-subtle);
  border: 1px solid var(--border-ash-light);
  border-radius: var(--radius-md);
  padding: 0.6rem 0.75rem;
  margin: 0.25rem 0 0.5rem 0;
}

.quota-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.76rem;
  margin-bottom: 0.35rem;
}

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

.quota-val {
  font-weight: 600;
  color: var(--text-ink);
}

.quota-bar-track {
  width: 100%;
  height: 6px;
  background: var(--border-ash);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.quota-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--zapier-orange), #ff8447);
  border-radius: var(--radius-full);
  transition: width 300ms ease;
}

.quota-bar-fill.unlimited {
  background: linear-gradient(90deg, #10b981, #059669);
  width: 100% !important;
}

.user-dropdown-divider {
  height: 1px;
  background: var(--border-ash-light);
  margin: 0.4rem 0;
}

.user-dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.5rem 0.6rem;
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
  color: var(--text-ink);
  cursor: pointer;
  text-align: left;
  transition: background-color var(--transition-fast);
}

.user-dropdown-item:hover {
  background: var(--bg-stone);
}

.user-dropdown-item.pro-highlight {
  color: var(--zapier-orange);
  font-weight: 600;
}

.user-dropdown-item.text-danger {
  color: #dc2626;
}

.user-dropdown-item.text-danger:hover {
  background: rgba(220, 38, 38, 0.08);
}

/* ==========================================================================
   MODAL SYSTEM & DIALOG ARCHITECTURE
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(15, 16, 19, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  overflow-y: auto;
  animation: modalFadeIn 200ms cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-dialog {
  background: var(--bg-paper);
  border: 1px solid var(--border-ash);
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2), 0 1px 3px rgba(0, 0, 0, 0.1);
  padding: 2rem;
  width: 100%;
  position: relative;
  animation: modalSlideUp 220ms cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalSlideUp {
  from { transform: scale(0.97) translateY(10px); }
  to { transform: scale(1) translateY(0); }
}

.modal-dialog-sm {
  max-width: 440px;
}

.modal-dialog-md {
  max-width: 580px;
}

.modal-dialog-lg {
  max-width: 980px;
}

.modal-center-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  gap: 1rem;
}

.modal-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-ink);
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.modal-subtitle {
  font-size: 0.86rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-caption);
  cursor: pointer;
  padding: 0.35rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: var(--bg-stone);
  color: var(--text-ink);
}

/* Auth Modal Tabs & Forms */
.auth-icon-badge {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-lg);
  background: var(--zapier-orange-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.auth-tab-switch {
  display: flex;
  background: var(--bg-stone);
  border-radius: var(--radius-md);
  padding: 0.25rem;
  margin-bottom: 1.25rem;
}

.auth-tab-pill {
  flex: 1;
  padding: 0.5rem;
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.auth-tab-pill.active {
  background: var(--bg-paper);
  color: var(--text-ink);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

/* Google Auth Button & Divider */
.google-auth-container {
  margin-bottom: 1.1rem;
  width: 100%;
}

.btn-google-auth {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.65rem 1rem;
  background: var(--bg-paper);
  border: 1px solid var(--border-ash);
  border-radius: var(--radius-md);
  color: var(--text-ink);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-subtle);
}

.btn-google-auth:hover {
  background: var(--bg-stone);
  border-color: #adb5bd;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transform: translateY(-1px);
}

.google-icon {
  flex-shrink: 0;
}

.auth-divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 1rem 0 1.25rem 0;
  color: var(--text-caption);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--border-ash-light);
}

.auth-divider span {
  padding: 0 0.75rem;
}

[data-theme="dark"] .btn-google-auth {
  background: var(--bg-stone);
  border-color: var(--border-ash);
  color: var(--text-ink);
}

[data-theme="dark"] .btn-google-auth:hover {
  background: var(--bg-paper);
  border-color: #4b5563;
}

.form-group-saas {
  margin-bottom: 1rem;
  text-align: left;
}

.form-label-saas {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-ink);
  margin-bottom: 0.35rem;
}

.form-input-saas {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border-ash);
  border-radius: var(--radius-md);
  background: var(--bg-stone-subtle);
  color: var(--text-ink);
  font-size: 0.9rem;
  outline: none;
  transition: all var(--transition-fast);
}

.form-input-saas:focus {
  border-color: var(--zapier-orange);
  background: var(--bg-paper);
  box-shadow: 0 0 0 3px rgba(255, 79, 0, 0.15);
}

.form-hint {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
}

.btn-saas-block {
  width: 100%;
  padding: 0.7rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
}

.auth-error-alert {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #dc2626;
  border-radius: var(--radius-md);
  padding: 0.6rem 0.85rem;
  font-size: 0.84rem;
  margin-bottom: 1rem;
}

.auth-modal-footer {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-ash-light);
  font-size: 0.76rem;
  color: var(--text-caption);
  text-align: center;
  line-height: 1.4;
}

/* Quota Limit Circle Icon */
.quota-limit-icon-circle {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: var(--zapier-orange-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
   PRICING MODAL & PLAN CARDS
   ========================================================================== */
.pricing-toggle-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  margin: 1.5rem 0 2rem 0;
}

.billing-cycle-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  user-select: none;
}

.billing-cycle-label.active {
  color: var(--text-ink);
}

.billing-toggle-switch {
  width: 48px;
  height: 26px;
  background: var(--border-ash);
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  position: relative;
  transition: background-color var(--transition-smooth);
  padding: 3px;
}

.billing-toggle-switch.annual {
  background: var(--zapier-orange);
}

.billing-toggle-thumb {
  width: 20px;
  height: 20px;
  background: #ffffff;
  border-radius: var(--radius-full);
  display: block;
  transition: transform var(--transition-smooth);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.billing-toggle-switch.annual .billing-toggle-thumb {
  transform: translateX(22px);
}

.discount-chip {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #ffffff;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.4px;
}

.pricing-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

@media (max-width: 860px) {
  .pricing-cards-grid {
    grid-template-columns: 1fr;
  }
}

.pricing-card {
  background: var(--bg-paper);
  border: 1px solid var(--border-ash);
  border-radius: var(--radius-xl);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-fast);
}

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

.pricing-card.popular {
  border: 2px solid var(--zapier-orange);
  background: var(--bg-paper);
  box-shadow: 0 8px 24px rgba(255, 79, 0, 0.12);
}

.popular-ribbon {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--zapier-orange);
  color: #ffffff;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.6px;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  box-shadow: 0 2px 6px rgba(255, 79, 0, 0.3);
}

.pricing-card-header {
  margin-bottom: 1.5rem;
}

.plan-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-ink);
  letter-spacing: -0.01em;
}

.plan-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
  min-height: 2.4rem;
}

.plan-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  margin-top: 0.85rem;
}

.plan-price {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-ink);
  letter-spacing: -0.03em;
  line-height: 1;
}

.plan-period {
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 500;
}

.annual-subtext {
  font-size: 0.75rem;
  color: #059669;
  font-weight: 600;
  margin-top: 0.35rem;
}

.plan-features {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.plan-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  font-size: 0.84rem;
  color: var(--text-ink);
  line-height: 1.4;
}

.plan-features li.feat-disabled {
  color: var(--text-caption);
  text-decoration: line-through;
}

.feat-check {
  width: 15px;
  height: 15px;
  color: #10b981;
  flex-shrink: 0;
  margin-top: 2px;
}

.feat-dash {
  width: 15px;
  height: 15px;
  color: var(--text-caption);
  flex-shrink: 0;
  margin-top: 2px;
}

.pricing-card-footer {
  margin-top: auto;
}

.saas-demo-banner {
  background: var(--zapier-orange-subtle);
  border: 1px solid rgba(255, 79, 0, 0.25);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-size: 0.82rem;
  color: var(--text-ink);
  display: flex;
  align-items: center;
  gap: 0.65rem;
  line-height: 1.4;
}

/* Code Snippet Box */
.code-snippet-box {
  background: #111827;
  color: #f9fafb;
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  overflow-x: auto;
  line-height: 1.5;
}

/* ==========================================================================
   DARK THEME OVERRIDES FOR SAAS ELEMENTS
   ========================================================================== */
[data-theme="dark"] .header-link-btn {
  border-color: var(--border-ash);
  color: var(--text-ink);
}

[data-theme="dark"] .header-link-btn:hover {
  background-color: var(--bg-stone);
}

[data-theme="dark"] .user-menu-trigger {
  background: var(--bg-paper);
  border-color: var(--border-ash);
  color: var(--text-ink);
}

[data-theme="dark"] .user-dropdown-card {
  background: var(--bg-paper);
  border-color: var(--border-ash);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.6);
}

[data-theme="dark"] .user-quota-section {
  background: var(--bg-stone);
  border-color: var(--border-ash);
}

[data-theme="dark"] .quota-bar-track {
  background: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .user-dropdown-item {
  color: var(--text-ink);
}

[data-theme="dark"] .user-dropdown-item:hover {
  background: var(--bg-stone);
}

[data-theme="dark"] .modal-backdrop {
  background-color: rgba(0, 0, 0, 0.75);
}

[data-theme="dark"] .modal-dialog {
  background: var(--bg-paper);
  border-color: var(--border-ash);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.7);
}

[data-theme="dark"] .auth-icon-badge,
[data-theme="dark"] .quota-limit-icon-circle {
  background: rgba(255, 87, 20, 0.18);
}

[data-theme="dark"] .auth-tab-switch {
  background: var(--bg-stone);
}

[data-theme="dark"] .auth-tab-pill.active {
  background: var(--bg-paper);
  color: var(--text-ink);
}

[data-theme="dark"] .form-input-saas {
  background: var(--bg-stone-subtle);
  border-color: var(--border-ash);
  color: var(--text-ink);
}

[data-theme="dark"] .form-input-saas:focus {
  background: var(--bg-paper);
}

[data-theme="dark"] .pricing-card {
  background: var(--bg-paper);
  border-color: var(--border-ash);
}

[data-theme="dark"] .pricing-card.popular {
  border-color: var(--zapier-orange);
  background: var(--bg-paper);
  box-shadow: 0 8px 30px rgba(255, 87, 20, 0.2);
}

[data-theme="dark"] .saas-demo-banner {
  background: rgba(255, 87, 20, 0.14);
  border-color: rgba(255, 87, 20, 0.3);
  color: var(--text-ink);
}

/* ==========================================================================
   MOBILE RESPONSIVENESS & TOUCH OPTIMIZATION SUITE
   Engineered for iPhone, iPad, Android smartphones, and responsive viewports.
   ========================================================================== */

/* Subgrid helpers for nested forms */
.form-subgrid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 1rem;
}

.form-subgrid-3col {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

/* Base Footer Styling */
.app-footer {
  width: 100%;
  border-top: 1px solid var(--border-ash);
  background: var(--bg-paper);
  padding: 2.25rem 1.5rem;
  margin-top: 4rem;
}

.footer-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.footer-brand-title {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-ink);
}

.footer-attribution {
  font-size: 0.84rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

.footer-copyright {
  font-size: 0.8rem;
  color: var(--text-caption);
  line-height: 1.5;
}

[data-theme="dark"] .app-footer {
  background: var(--bg-paper);
  border-color: var(--border-ash);
}

/* Creator & Copyright Attribution System */
.creator-badge-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.6rem;
  background: linear-gradient(135deg, rgba(255, 79, 0, 0.08) 0%, rgba(255, 122, 0, 0.03) 100%);
  border: 1px solid rgba(255, 79, 0, 0.22);
  border-left: 4px solid var(--zapier-orange);
  border-radius: var(--radius-md);
  padding: 0.65rem 1rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}

.creator-badge-left {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.creator-badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--zapier-orange);
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: var(--radius-full);
}

.creator-badge-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.creator-badge-right {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.creator-pill {
  display: inline-flex;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: var(--zapier-orange);
  color: #ffffff;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  margin-left: 0.6rem;
  vertical-align: middle;
  text-transform: uppercase;
}

/* Tablet Breakpoint (max-width: 1024px) */
@media screen and (max-width: 1024px) {
  .pricing-cards-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
  
  .pricing-card.popular {
    grid-column: span 2;
  }
}

/* Mobile & Small Tablet Breakpoint (max-width: 768px) */
@media screen and (max-width: 768px) {
  /* Prevent iOS auto-zoom on input focus */
  input[type="text"],
  input[type="email"],
  input[type="password"],
  input[type="number"],
  select,
  textarea {
    font-size: 16px !important;
  }

  /* Header adjustments */
  .header-top {
    padding: 0.85rem 1rem;
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .brand-logo-img {
    max-width: 44px;
  }

  .brand-title {
    font-size: 1.1rem;
  }

  .brand-subtitle {
    font-size: 0.72rem;
  }

  .header-actions {
    gap: 0.45rem;
  }

  .header-link-btn,
  .theme-toggle-btn {
    padding: 0.35rem 0.65rem;
    font-size: 0.75rem;
  }

  /* Navigation Tabs: smooth horizontal touch swipe */
  .nav-tab-container {
    padding: 0 0.75rem;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    gap: 0.35rem;
    scrollbar-width: thin;
  }

  .nav-tab-btn {
    padding: 0.65rem 0.85rem;
    font-size: 0.82rem;
    flex-shrink: 0;
  }

  /* Main cards and dropzones */
  .broadsheet-card {
    padding: 1.25rem 1rem;
    margin: 1rem 0;
    border-radius: var(--radius-lg);
  }

  .broadsheet-dropzone {
    padding: 2rem 1rem;
    min-height: 190px;
  }

  .drop-icon {
    width: 42px;
    height: 42px;
  }

  /* Grids collapse to 1 column */
  .grid-2col,
  .grid-3col,
  .form-subgrid-2col,
  .form-subgrid-3col {
    grid-template-columns: 1fr !important;
    gap: 0.85rem;
  }

  .pricing-cards-grid {
    grid-template-columns: 1fr !important;
  }

  .pricing-card.popular {
    grid-column: span 1;
  }

  /* Result cards */
  .result-metrics {
    flex-direction: column;
    gap: 0.5rem !important;
  }

  .result-card {
    padding: 1rem;
  }

  /* Batch plot live preview on mobile */
  #plot-preview-container {
    padding: 0.5rem !important;
    margin: 0.75rem 0 !important;
  }

  #plot-preview-img {
    max-height: 280px !important;
  }

  /* Modals: full touch optimization */
  .modal-backdrop {
    padding: 0.75rem;
    align-items: center;
  }

  .modal-dialog {
    width: 100% !important;
    max-width: 100% !important;
    max-height: 90vh !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch;
    padding: 1.25rem 1rem !important;
    border-radius: var(--radius-lg) !important;
  }

  .user-dropdown-card {
    width: calc(100vw - 2rem);
    max-width: 320px;
    right: 0.5rem;
    left: auto;
  }

  /* Footer on mobile */
  .footer-inner {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

  /* Action buttons */
  .btn {
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .btn-primary,
  .btn-ember,
  .btn-saas-block {
    width: 100%;
  }
}

/* Small Smartphone Breakpoint (max-width: 480px) */
@media screen and (max-width: 480px) {
  .brand-text-block .brand-subtitle {
    font-size: 0.68rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
  }

  .creator-badge-banner {
    padding: 0.5rem 0.75rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
  }

  .creator-badge-sub {
    font-size: 0.75rem;
  }

  .creator-badge-right {
    font-size: 0.72rem;
  }

  .creator-pill {
    font-size: 0.65rem;
    padding: 2px 7px;
  }

  .header-actions button span {
    display: none;
  }

  .header-actions button {
    padding: 0.4rem 0.55rem;
  }

  .broadsheet-card {
    padding: 1rem 0.75rem;
  }

  .card-title {
    font-size: 1.15rem;
  }

  .tool-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }

  .tool-card {
    padding: 0.75rem 0.6rem;
  }

  .tool-icon-wrap {
    width: 36px;
    height: 36px;
  }
}