/**
 * PicDriver Photo Naming & Organization Tools - Design System
 * (c) 2026 PicDriver - Decoupled Architecture
 */

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

:root {
  --bg-main: #0c0e12;
  --surface: #141820;
  --surface-raised: #1c222e;
  --surface-hover: #242c3b;
  --border: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(16, 185, 129, 0.5);

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --accent: #10b981;          /* Emerald Green (Primary Action) */
  --accent-gold: #f59e0b;     /* Champagne Gold (Wedding / SEO) */
  --accent-blue: #38bdf8;     /* Sky Blue (Batch / Sequence) */
  --accent-violet: #8b5cf6;   /* Electric Violet (Tokens / DAM) */
  --accent-rose: #f43f5e;     /* Coral Rose (Clash / Sanitize) */

  --font-main: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 25px rgba(16, 185, 129, 0.35);
}

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

html {
  font-family: var(--font-main);
  background-color: var(--bg-main);
  color: var(--text-main);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
  background-image: 
    radial-gradient(circle at 15% 10%, rgba(16, 185, 129, 0.07) 0%, transparent 40%),
    radial-gradient(circle at 85% 20%, rgba(139, 92, 246, 0.07) 0%, transparent 40%),
    radial-gradient(circle at 50% 80%, rgba(56, 189, 248, 0.05) 0%, transparent 50%);
  background-attachment: fixed;
}

/* Header */
.site-header {
  height: 68px;
  border-bottom: 1px solid var(--border);
  background: rgba(12, 14, 18, 0.85);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #fff;
}

.logo-badge {
  background: linear-gradient(135deg, var(--accent), var(--accent-violet));
  color: #000;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 0.72rem;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.5px;
}

.logo-text {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo-text span {
  color: var(--accent);
}

/* Hero Section */
.hero {
  padding: 36px 20px 24px;
  text-align: center;
  max-width: 960px;
  margin: 0 auto;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  font-family: var(--font-main);
  margin-bottom: 16px;
}

.hero h1 {
  font-family: var(--font-main);
  font-size: 2.3rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 12px;
  background: linear-gradient(135deg, #fff 35%, var(--accent) 70%, var(--accent-violet) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 820px;
  margin: 0 auto;
}

/* 10 Tool Chips Container */
.chips-container {
  max-width: 1400px;
  margin: 0 auto 24px;
  padding: 0 20px;
}

.chips-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tool-chips-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tool-chip {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}

.tool-chip:hover {
  background: var(--surface-hover);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

.tool-chip.active {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(139, 92, 246, 0.2));
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 0 16px rgba(16, 185, 129, 0.35);
}

.tool-chip.fire {
  border-color: rgba(16, 185, 129, 0.4);
}

.tool-chip.fire.active {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.25), rgba(245, 158, 11, 0.25));
  border-color: var(--accent);
  box-shadow: 0 0 16px rgba(16, 185, 129, 0.4);
}

/* Main Workspace */
.workspace {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px 40px;
  display: grid;
  grid-template-columns: 480px 1fr;
  gap: 24px;
  align-items: start;
}

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

/* Panel Cards */
.panel-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.panel-title {
  font-family: var(--font-main);
  font-size: 1.12rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.panel-badge {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

/* Active Tool Banner */
.active-tool-banner {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.08), rgba(139, 92, 246, 0.08));
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin-bottom: 20px;
  transition: all 0.3s ease;
}

.banner-top {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.banner-tag {
  font-size: 0.68rem;
  font-family: var(--font-mono);
  font-weight: 700;
  text-transform: uppercase;
  background: var(--accent);
  color: #000;
  padding: 2px 7px;
  border-radius: 4px;
}

.banner-title {
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
}

.banner-pill {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  padding: 3px 10px;
  border-radius: 999px;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.banner-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* Mode Navigation Tabs */
.mode-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  background: var(--surface-raised);
  padding: 4px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}

.mode-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-main);
  font-size: 0.74rem;
  font-weight: 600;
  padding: 8px 4px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mode-tab-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.mode-tab-btn.active {
  background: var(--accent);
  color: #000;
  font-weight: 700;
  box-shadow: 0 2px 10px rgba(16, 185, 129, 0.35);
}

/* Forms & Inputs */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-hint {
  font-size: 0.74rem;
  font-family: var(--font-mono);
  color: var(--accent);
  font-weight: 600;
}

.form-control {
  width: 100%;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  transition: all 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
  background: #1f2735;
}

.form-select {
  width: 100%;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  color: #fff;
  font-family: var(--font-main);
  font-size: 0.85rem;
  cursor: pointer;
  outline: none;
}

.form-select:focus {
  border-color: var(--accent);
}

.input-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.input-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
}

/* Token Builder Grid */
.token-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.token-pill {
  background: rgba(139, 92, 246, 0.12);
  border: 1px solid rgba(139, 92, 246, 0.35);
  color: var(--accent-violet);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.token-pill:hover {
  background: var(--accent-violet);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 2px 10px rgba(139, 92, 246, 0.4);
}

/* Action Buttons */
.btn-group {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-family: var(--font-main);
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #000;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}

.btn-primary:hover {
  background: #059669;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.45);
}

.btn-secondary {
  background: var(--surface-raised);
  border: 1px solid var(--border);
  color: #fff;
}

.btn-secondary:hover {
  background: var(--surface-hover);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Results Area */
.results-area {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* 6 Featured Metric Cards */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

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

.metric-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  position: relative;
  overflow: hidden;
  transition: all 0.25s ease;
}

.metric-card.featured-primary {
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.2);
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.08), var(--surface));
}

.metric-card.green::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--accent); }
.metric-card.gold::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--accent-gold); }
.metric-card.blue::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--accent-blue); }
.metric-card.violet::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--accent-violet); }
.metric-card.rose::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--accent-rose); }

.metric-label {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.metric-val {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
  word-break: break-all;
}

.metric-val span {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 600;
}

.metric-sub {
  font-size: 0.74rem;
  color: var(--text-dim);
}

/* Visual Stage Tabs */
.vis-stage-tabs {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 6px;
  border-radius: var(--radius-md);
  flex-wrap: wrap;
}

.vis-stage-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-main);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}

.vis-stage-tab-btn:hover {
  color: #fff;
  background: var(--surface-raised);
}

.vis-stage-tab-btn.active {
  background: var(--surface-raised);
  color: var(--accent);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

/* Visual Stage Cards */
.vis-stage-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.vis-stage-card.hidden {
  display: none !important;
}

.vis-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.vis-title {
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Before / After Batch Rename Table */
.rename-table-container {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.rename-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  text-align: left;
}

.rename-table th {
  background: var(--surface-raised);
  padding: 10px 14px;
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}

.rename-table td {
  padding: 10px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  font-family: var(--font-mono);
}

.rename-table tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.rename-table .col-before {
  color: var(--text-muted);
}

.rename-table .col-after {
  color: var(--accent);
  font-weight: 600;
}

.rename-table .col-status {
  font-size: 0.72rem;
  font-family: var(--font-main);
  padding: 2px 6px;
  border-radius: 4px;
  display: inline-block;
}

.rename-table .status-ok {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent);
}

.rename-table .status-duplicate {
  background: rgba(244, 63, 94, 0.15);
  color: var(--accent-rose);
  font-weight: 700;
}

/* Directory Tree Visualizer */
.folder-tree-box {
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  line-height: 1.7;
  color: #e2e8f0;
}

.folder-tree-box .folder-root {
  color: var(--accent-gold);
  font-weight: 700;
}

.folder-tree-box .folder-sub {
  color: var(--accent-blue);
}

.folder-tree-box .folder-leaf {
  color: var(--text-muted);
}

/* Terminal Script Box */
.terminal-box {
  background: #080a0d;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  position: relative;
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.terminal-dot.red { background: #ef4444; }
.terminal-dot.yellow { background: #eab308; }
.terminal-dot.green { background: #22c55e; }

.terminal-code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #a7f3d0;
  line-height: 1.5;
  white-space: pre;
  overflow-x: auto;
  max-height: 240px;
}

/* Articles & Tables */
.content-section {
  max-width: 1400px;
  margin: 0 auto 40px;
  padding: 0 20px;
}

.article-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 24px;
}

.article-card h2 {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: #fff;
}

.article-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.table-responsive {
  overflow-x: auto;
}

.matrix-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
  text-align: left;
}

.matrix-table th {
  background: var(--surface-raised);
  padding: 12px 14px;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}

.matrix-table td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.matrix-table tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

/* FAQ Accordion */
.faq-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.2s ease;
}

.faq-item.open {
  border-color: rgba(16, 185, 129, 0.4);
}

.faq-q {
  width: 100%;
  padding: 16px 20px;
  background: transparent;
  border: none;
  color: #fff;
  font-family: var(--font-main);
  font-size: 0.92rem;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  text-align: left;
}

.faq-q svg {
  width: 16px;
  height: 16px;
  stroke: var(--accent);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.faq-item.open .faq-q svg {
  transform: rotate(45deg);
}

.faq-a {
  padding: 0 20px 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  display: none;
}

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

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #1e293b;
  border: 1px solid var(--accent);
  color: #fff;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
  z-index: 1000;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* Footer */
.site-footer {
  margin-top: auto;
  padding: 30px 20px;
  text-align: center;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 0.8rem;
}


/* ==========================================================================
   Universal Mobile & Tablet Responsiveness Suite (320px - 1040px)
   ========================================================================== */

/* 1. Fluid Media & Canvas Scaling */
img, canvas, svg, video {
  max-width: 100% !important;
  height: auto !important;
}

/* 2. Responsive Touch-Scroll Tables */
table {
  width: 100%;
  max-width: 100%;
  border-collapse: collapse;
}

.table-responsive,
.table-container,
.table-wrap,
.table-wrapper,
.matrix-container,
.data-table-wrap {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* 3. Tablet Breakpoint (<= 1040px) */
@media (max-width: 1040px) {
  .workspace,
  .studio-layout,
  .finder-workspace,
  .simulator-grid,
  .layout-grid,
  .remover-workspace {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }

  .sidebar-panel,
  .controls-sidebar {
    border-left: none !important;
    border-top: 1px solid var(--border, rgba(255,255,255,0.1));
  }
}

/* 4. Mobile Portrait & Landscape (<= 768px) */
@media (max-width: 768px) {
  .site-header {
    height: auto !important;
    padding: 10px 16px !important;
  }

  .header-inner,
  .header-container {
    flex-wrap: wrap;
    gap: 10px;
    justify-content: space-between;
    width: 100%;
  }

  .logo,
  .brand-logo,
  .logo-wrap {
    font-size: 1.15rem !important;
  }

  .menu-toggle {
    display: block !important;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: #0a0d14;
    flex-direction: column;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border, rgba(255,255,255,0.1));
    z-index: 1000;
  }

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

  .hero {
    padding: 28px 16px 20px !important;
  }

  .hero h1 {
    font-size: clamp(1.6rem, 5.5vw, 2.3rem) !important;
    line-height: 1.2 !important;
  }

  .hero p {
    font-size: 0.92rem !important;
  }

  .page-wrapper,
  .portal-main,
  .container {
    padding: 16px 12px 40px !important;
  }

  .workspace,
  .studio-layout,
  .finder-workspace,
  .remover-workspace {
    padding: 0 !important;
    gap: 16px !important;
  }

  .panel-card,
  .results-card,
  .sidebar-panel,
  .stage-area,
  .card {
    padding: 16px 14px !important;
    border-radius: 12px !important;
  }

  .metrics-grid,
  .data-grid,
  .grid-2,
  .grid-3,
  .grid-4,
  .calc-grid,
  .features-grid,
  .steps-grid {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }

  .tool-chips-grid,
  .chips-bar,
  .preset-chip-group,
  .mode-tabs {
    flex-wrap: wrap !important;
    gap: 6px !important;
  }

  .tool-chip,
  .preset-btn,
  .mode-tab-btn {
    padding: 6px 12px !important;
    font-size: 0.78rem !important;
  }

  .btn-primary,
  .btn-secondary,
  .action-btn,
  .btn-action {
    min-height: 44px;
    width: 100%;
    justify-content: center;
  }

  .btn-group,
  .action-btns,
  .download-row {
    flex-direction: column !important;
    width: 100% !important;
    gap: 8px !important;
  }

  table {
    display: block !important;
    width: 100% !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    white-space: nowrap !important;
  }

  th, td {
    padding: 8px 10px !important;
    font-size: 0.8rem !important;
  }
}

/* 5. Small Handsets (<= 480px) */
@media (max-width: 480px) {
  .hero-pill,
  .hero-badge {
    font-size: 0.72rem !important;
    padding: 3px 10px !important;
  }

  .form-group {
    margin-bottom: 14px !important;
  }

  .form-control,
  .form-select,
  .control-input,
  .control-select,
  input[type="text"],
  input[type="number"],
  select {
    font-size: 16px !important; /* Prevents auto-zoom in iOS Safari */
    min-height: 42px;
  }

  .info-section,
  .guide-section,
  .faq-section {
    padding: 24px 12px !important;
  }
}