/* FrameKit Studio: Modern Video & Creator Utility Suite
   Visual Direction: Modern NLE & Creator Studio Interface
   Dial: ENERGY 2 / RHYTHM 3 / MOTION 1 */

:root {
  --bg: #F8FAFC;
  --bg-elevated: #FFFFFF;
  --bg-inset: #F1F5F9;
  --ink: #0F172A;
  --ink-muted: #475569;
  --border-strong: #64748B;
  --border-subtle: #E2E8F0;
  --accent: #0B57D0;
  --accent-ink: #FFFFFF;
  --accent-surface: #EFF6FF;
  --status-ok: #1B5E3A;
  --status-ok-bg: #E1F2E8;
  --status-warn: #7A4B00;
  --status-warn-bg: #F9EEDB;
  --status-err: #A31D1D;
  --status-err-bg: #FADEDE;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Consolas', monospace;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-workbench: 0 4px 20px -2px rgba(15, 23, 42, 0.06);
  --space-1: clamp(0.375rem, 0.5vw, 0.5rem);
  --space-2: clamp(0.625rem, 1vw, 0.875rem);
  --space-3: clamp(1rem, 1.6vw, 1.5rem);
  --space-4: clamp(1.5rem, 2.5vw, 2.5rem);
  --space-5: clamp(2.25rem, 4vw, 3.75rem);
}

[data-theme="dark"] {
  --bg: #0B0F17;
  --bg-elevated: #151C28;
  --bg-inset: #0E131D;
  --ink: #F8FAFC;
  --ink-muted: #94A3B8;
  --border-strong: #64748B;
  --border-subtle: #232E42;
  --accent: #60A5FA;
  --accent-ink: #0B0F17;
  --accent-surface: #172554;
  --status-ok: #5CD692;
  --status-ok-bg: #12291D;
  --status-warn: #F2B84B;
  --status-warn-bg: #2B2110;
  --status-err: #FF7A7A;
  --status-err-bg: #2E1414;
  --shadow-workbench: 0 8px 28px -4px rgba(0, 0, 0, 0.45);
}

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

[hidden] {
  display: none !important;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
  background-color: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg);
  color: var(--ink);
  overflow-x: hidden;
}

/* Base interactive cursor layer (R-39) */
a[href],
button:not(:disabled),
summary,
select:not(:disabled),
label[for],
input[type="checkbox"]:not(:disabled),
input[type="radio"]:not(:disabled),
input[type="range"]:not(:disabled),
input[type="file"]:not(:disabled),
[role="button"]:not([aria-disabled="true"]),
[role="tab"]:not([aria-disabled="true"]),
[role="switch"]:not([aria-disabled="true"]) {
  cursor: pointer;
}

button:disabled,
input:disabled,
select:disabled,
textarea:disabled,
[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.6;
}

/* High-contrast visible keyboard focus (R-32) */
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 1000;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 0.75rem 1.25rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  top: 0.75rem;
}

img, video, canvas, svg {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Typography & Hierarchy */
h1, h2, h3, h4 {
  margin-top: 0;
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 0.65rem;
}

h2 {
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
}

h3 {
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  font-weight: 700;
  margin-bottom: 0.4rem;
}

p {
  margin-top: 0;
  margin-bottom: 1rem;
  max-width: 72ch;
}

a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--border-strong);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
  transition: color 0.15s ease, text-decoration-color 0.15s ease;
}

a:hover {
  color: var(--accent);
  text-decoration-color: var(--accent);
}

a:active {
  transform: translateY(1px);
}

code, pre, .mono-readout {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

p code, li code, td code {
  background: var(--bg-inset);
  border: 1px solid var(--border-subtle);
  padding: 0.12rem 0.4rem;
  border-radius: 4px;
  font-size: 0.88em;
}

pre {
  background: var(--bg-inset);
  border: 1px solid var(--border-subtle);
  padding: 0.9rem 1rem;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 0 0 1rem 0;
  font-size: 0.85rem;
  line-height: 1.55;
}

/* Layout Containers */
.container {
  width: 100%;
  max-width: 1260px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 3vw, 2.25rem);
}

/* Header & Navigation */
.site-header {
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
}

.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  flex-wrap: wrap;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  min-height: 44px;
}

.brand-title {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.025em;
  color: var(--ink);
}

.brand-sub {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink-muted);
  background: var(--bg-inset);
  border: 1px solid var(--border-subtle);
  padding: 0.15rem 0.55rem;
  border-radius: 4px;
}

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

.mobile-menu-btn,
.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 44px;
  min-width: 44px;
  padding: 0.45rem 0.9rem;
  background: var(--bg-inset);
  color: var(--ink);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.85rem;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.theme-toggle-btn:hover,
.mobile-menu-btn:hover {
  border-color: var(--accent);
  background: var(--accent-surface);
}

.primary-nav {
  display: none;
  width: 100%;
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.5rem;
}

.primary-nav.is-open {
  display: block;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.4rem 0.8rem;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--ink-muted);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
}

.nav-link:hover {
  background: var(--bg-inset);
  color: var(--ink);
}

.nav-link[aria-current="page"] {
  background: var(--accent-surface);
  border-color: var(--accent);
  color: var(--ink);
}

/* Breadcrumbs (Urutan 1) */
.breadcrumb-bar {
  background: var(--bg);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.4rem 0;
  font-size: 0.85rem;
}

.breadcrumb-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
}

.breadcrumb-list li {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--ink-muted);
}

.breadcrumb-list a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0.15rem 0.3rem;
  color: var(--ink-muted);
  font-weight: 600;
  text-decoration: none;
}

.breadcrumb-list a:hover {
  color: var(--accent);
  text-decoration: underline;
}

/* Category & Capability Tag */
.tc-tag {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-sans);
  font-size: 0.76rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  background: var(--bg-inset);
  color: var(--ink-muted);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  text-decoration: none;
}

a.tc-tag:hover {
  border-color: var(--accent);
  color: var(--ink);
}

/* Buttons & Form Controls */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 44px;
  min-width: 44px;
  padding: 0.55rem 1.15rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--bg-elevated);
  color: var(--ink);
  transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}

.btn:hover {
  border-color: var(--ink);
  background: var(--bg-inset);
  color: var(--ink);
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}

.btn-primary:hover {
  filter: brightness(1.08);
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.95rem;
}

.field-label {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--ink);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
}

.field-hint {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--ink-muted);
}

.input-control,
select.input-control,
textarea.input-control {
  width: 100%;
  min-height: 44px;
  padding: 0.55rem 0.8rem;
  font-family: var(--font-sans);
  font-size: 0.925rem;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

textarea.input-control {
  min-height: 120px;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.5;
  resize: vertical;
}

.input-control:hover {
  border-color: var(--ink);
}

.input-control:focus {
  background: var(--bg-elevated);
  border-color: var(--accent);
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-height: 44px;
  padding: 0.45rem 0.65rem;
  background: var(--bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.88rem;
}

.checkbox-row:hover {
  border-color: var(--border-strong);
}

.checkbox-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

/* Above-the-fold Tool Workbench (Urutan 2) */
.tool-page-header {
  padding: var(--space-3) 0 var(--space-2) 0;
}

.tool-header-top {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.45rem;
  flex-wrap: wrap;
}

.workbench-shell {
  margin: var(--space-2) 0 var(--space-4) 0;
  border: 1px solid var(--border-strong);
  background: var(--bg-elevated);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-workbench);
  overflow: hidden;
}

.workbench-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 0.7rem 1.25rem;
  background: var(--bg-inset);
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-muted);
}

.workbench-grid {
  display: grid;
  grid-template-columns: 1fr;
}

.workbench-controls {
  padding: var(--space-3);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
}

.workbench-output {
  padding: var(--space-3);
  background: var(--bg-inset);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
}

.form-grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
}

/* Readout & Status Boxes (R-27 States) */
.readout-card {
  border: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  padding: 1.15rem;
  border-radius: var(--radius-md);
}

.readout-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ink-muted);
  display: block;
  margin-bottom: 0.25rem;
}

.readout-value {
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 2.2vw, 1.85rem);
  font-weight: 700;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.readout-sub {
  font-size: 0.85rem;
  color: var(--ink-muted);
  margin-top: 0.3rem;
}

.status-banner {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  font-size: 0.88rem;
  font-weight: 600;
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
}

.status-banner.status-ok {
  background: var(--status-ok-bg);
  color: var(--status-ok);
  border-color: var(--status-ok);
}

.status-banner.status-warn {
  background: var(--status-warn-bg);
  color: var(--status-warn);
  border-color: var(--status-warn);
}

.status-banner.status-err {
  background: var(--status-err-bg);
  color: var(--status-err);
  border-color: var(--status-err);
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
}

/* Documentation Layout Below Tool (Urutan 3, 4, 5) */
.doc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-top: 1px solid var(--border-subtle);
}

.steps-panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  align-self: start;
}

.steps-list {
  margin: 0;
  padding-left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  font-size: 0.94rem;
}

.steps-list li {
  padding-left: 0.25rem;
}

.methodology-article {
  min-width: 0;
}

/* Technical Specification Tables */
.table-scroll {
  width: 100%;
  overflow-x: auto;
  margin: 1.25rem 0;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  text-align: left;
  background: var(--bg-elevated);
}

.spec-table caption {
  text-align: left;
  padding: 0.75rem 1rem;
  background: var(--bg-inset);
  font-weight: 700;
  font-size: 0.86rem;
  border-bottom: 1px solid var(--border-subtle);
}

.spec-table th,
.spec-table td {
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: top;
}

.spec-table th {
  background: var(--bg-inset);
  font-weight: 700;
  color: var(--ink);
}

.spec-table tr:last-child td {
  border-bottom: none;
}

/* FAQ Accordion & Related Tools (Urutan 5) */
.faq-section,
.related-section {
  padding: var(--space-4) 0;
  border-top: 1px solid var(--border-subtle);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  max-width: 840px;
}

.faq-item {
  border: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-item summary {
  padding: 0.95rem 1.15rem;
  font-weight: 700;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent);
}

.faq-item[open] summary::after {
  content: "-";
}

.faq-item summary:hover {
  background: var(--bg-inset);
}

.faq-body {
  padding: 0 1.15rem 1rem 1.15rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.85rem;
  color: var(--ink-muted);
}

/* Homepage Studio Architecture (RHYTHM 3) */
.home-hero {
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-subtle);
  padding: var(--space-4) 0;
}

.home-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  align-items: stretch;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-lead {
  font-size: clamp(1rem, 1.25vw, 1.1rem);
  color: var(--ink-muted);
  margin-bottom: 0;
  max-width: 62ch;
}

.hero-highlights {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-top: 1.75rem;
  padding-top: 1.35rem;
  border-top: 1px solid var(--border-subtle);
}

.highlight-item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.65rem 0.85rem;
  background: var(--bg-inset);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.highlight-item strong {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--ink);
}

.highlight-item span {
  font-size: 0.78rem;
  color: var(--ink-muted);
}

.hero-spotlight {
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  box-shadow: var(--shadow-workbench);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.9rem;
}

.spotlight-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.spotlight-status {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--status-ok);
  background: var(--status-ok-bg);
  border: 1px solid var(--status-ok);
  padding: 0.18rem 0.55rem;
  border-radius: 4px;
}

.spotlight-title {
  font-size: clamp(1.15rem, 1.5vw, 1.35rem);
  margin: 0;
}

.spotlight-title a {
  text-decoration: none;
}

.spotlight-title a:hover {
  text-decoration: underline;
}

.spotlight-desc {
  font-size: 0.9rem;
  color: var(--ink-muted);
  margin: 0;
}

.spotlight-code {
  margin: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  font-size: 0.8rem;
}

.spotlight-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border-subtle);
}

.spotlight-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

/* Directory Search & Category Filter Toolbar */
.directory-toolbar {
  margin-top: var(--space-4);
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-workbench);
}

.toolbar-search-row {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.toolbar-search-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.filter-btn {
  min-height: 44px;
  padding: 0.4rem 0.9rem;
  font-family: var(--font-sans);
  font-size: 0.83rem;
  font-weight: 600;
  background: var(--bg-inset);
  color: var(--ink);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.filter-btn:hover {
  border-color: var(--accent);
}

.filter-btn[aria-pressed="true"] {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}

/* Category Sections & Balanced Studio Card Grids */
.section-block {
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.section-header-split {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: var(--space-3);
}

.section-header-split h2 {
  margin-bottom: 0.25rem;
}

.section-sub {
  margin-bottom: 0;
  color: var(--ink-muted);
  font-size: 0.95rem;
  max-width: 65ch;
}

.tool-grid-3,
.tool-grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  align-items: stretch;
}

.tool-card {
  border: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.15rem;
  height: 100%;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.tool-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-workbench);
}

.tool-card-body {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.tool-card-title {
  margin: 0.15rem 0 0 0;
  font-size: 1.12rem;
}

.tool-card-title a {
  text-decoration: none;
}

.tool-card-title a:hover {
  text-decoration: underline;
}

.tool-card-desc {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.tool-card-footer {
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
}

.tool-card-footer .btn {
  width: 100%;
  justify-content: center;
}

/* Subpage Directory & Spec Grids */
.tool-row-item {
  border: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  transition: border-color 0.15s ease;
}

.tool-row-item:hover {
  border-color: var(--border-strong);
}

.ledger-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.ledger-entry {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  padding: 1.15rem 1.25rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  align-items: center;
  transition: border-color 0.15s ease;
}

.ledger-entry:hover {
  border-color: var(--border-strong);
}

.asymmetric-pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.related-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

/* Interactive Canvas Stage */
.canvas-stage-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.canvas-stage-wrap canvas {
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  background: #0e1012;
  max-height: 520px;
  width: auto;
}

/* Footer */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  padding: var(--space-4) 0;
  font-size: 0.88rem;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-weight: 600;
  text-decoration: none;
  color: var(--ink-muted);
}

.footer-links a:hover {
  color: var(--accent);
}

/* Tablet Breakpoint (640px+): Two-Column Reflow (antislop-layoutmobile) */
@media (min-width: 640px) {
  .hero-highlights {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .tool-grid-2,
  .tool-grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .form-grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .form-grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .asymmetric-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .ledger-entry {
    grid-template-columns: 165px 1fr auto;
    gap: 1.25rem;
  }
}

/* Desktop Breakpoint (960px+): Full Workbench & Multi-Column Reflow */
@media (min-width: 960px) {
  .mobile-menu-btn {
    display: none;
  }
  .primary-nav {
    display: block;
    width: auto;
    border-top: none;
    padding-top: 0;
  }
  .nav-list {
    flex-direction: row;
    align-items: center;
    gap: 0.25rem;
  }
  .home-hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
  .tool-grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .tool-grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .workbench-grid {
    grid-template-columns: 1.08fr 0.92fr;
  }
  .workbench-controls {
    border-bottom: none;
    border-right: 1px solid var(--border-subtle);
  }
  .doc-grid {
    grid-template-columns: 330px 1fr;
  }
  .related-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .form-grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .section-header-split {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
  }
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}