/* ==========================================================================
   HOWL ECOSYSTEM // SHARED VISUAL SYSTEM
   Project: HOWLBOARD (Evaluation Surface, Telemetry & Deterministic Board)
   Design Language: 2026 Science SARU / Ghost in the Shell Retro-Futurist Industrial
   Theme: Engineering Instrumentation Console, Cyan/Blue telemetry streams,
          Amber transition gates, subtle Red failure states, warm Shell White surface.
   ========================================================================== */

:root {
  /* Core Howl Primitive Palette */
  --howl-near-black: #14191C;
  --howl-gunmetal:   #353B3D;
  --howl-navy:       #102A43;

  --howl-blue:       #087FAF;
  --howl-cyan:       #28B7D8;

  --howl-red:        #D94732;
  --howl-magenta:    #E21D68;
  --howl-amber:      #F2A91B;

  --howl-shell:      #E7E1CE;
  --howl-khaki:      #827C68;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "Cascadia Code", "Source Code Pro", Menlo, Monaco, Consolas, "Liberation Mono", monospace;

  /* Light Theme */
  --bg-primary:        #E7E1CE;
  --bg-surface:        #F2EDE0;
  --bg-sunken:         #DCD5C0;
  --bg-panel:          #FAF7F0;
  --bg-header-band:    #102A43;
  --bg-code:           #14191C;
  --bg-code-header:    #1C2327;

  --text-primary:      #14191C;
  --text-secondary:    #353B3D;
  --text-muted:        #544F43;
  --text-dim:          #827C68;
  --text-on-dark:      #E7E1CE;
  --text-code:         #E7E1CE;

  --border-subtle:     #C9C2AD;
  --border-medium:     #9E9680;
  --border-strong:     #102A43;
  --border-tech:       #353B3D;

  --color-cyan:        #0E7891;
  --color-cyan-chip:   #28B7D8;
  --color-blue:        #087FAF;
  --color-red:         #C23825;
  --color-red-chip:    #D94732;
  --color-magenta:     #C41256;
  --color-amber:       #9E6800;
  --color-amber-chip:  #F2A91B;
  --color-navy:        #102A43;
  --color-khaki:       #827C68;

  --shadow-flat:       0 1px 2px rgba(20, 25, 28, 0.08);
  --shadow-tech:       2px 2px 0px rgba(16, 42, 67, 0.18);
  --shadow-panel:      3px 3px 0px rgba(16, 42, 67, 0.25);

  --grid-line:         rgba(53, 59, 61, 0.08);
}

[data-theme="dark"] {
  --bg-primary:        #14191C;
  --bg-surface:        #1B2226;
  --bg-sunken:         #0E1214;
  --bg-panel:          #1F282D;
  --bg-header-band:    #102A43;
  --bg-code:           #0E1214;
  --bg-code-header:    #161E22;

  --text-primary:      #E7E1CE;
  --text-secondary:    #B8B19E;
  --text-muted:        #827C68;
  --text-dim:          #59666E;
  --text-on-dark:      #E7E1CE;
  --text-code:         #E7E1CE;

  --border-subtle:     #283339;
  --border-medium:     #3D4D56;
  --border-strong:     #28B7D8;
  --border-tech:       #087FAF;

  --color-cyan:        #28B7D8;
  --color-cyan-chip:   #28B7D8;
  --color-blue:        #087FAF;
  --color-red:         #D94732;
  --color-red-chip:    #D94732;
  --color-magenta:     #E21D68;
  --color-amber:       #F2A91B;
  --color-amber-chip:  #F2A91B;
  --color-navy:        #1B3F63;
  --color-khaki:       #827C68;

  --shadow-flat:       0 1px 3px rgba(0, 0, 0, 0.5);
  --shadow-tech:       2px 2px 0px rgba(0, 0, 0, 0.6);
  --shadow-panel:      3px 3px 0px rgba(0, 0, 0, 0.7);

  --grid-line:         rgba(231, 225, 206, 0.04);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  background-image: 
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 32px 32px;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: absolute;
  top: -9999px;
  left: 1rem;
  background: var(--color-cyan);
  color: var(--text-on-dark);
  padding: 0.75rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  z-index: 1000;
  text-decoration: none;
  border: 1px solid var(--howl-shell);
}
.skip-link:focus {
  top: 1rem;
}

:focus-visible {
  outline: 2px solid var(--color-cyan);
  outline-offset: 2px;
}

.layout-container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 1.25rem 1rem 3rem 1rem;
}

/* Site Header */
.site-header {
  border: 1px solid var(--border-medium);
  background: var(--bg-panel);
  box-shadow: var(--shadow-tech);
  margin-bottom: 1.25rem;
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 1.25rem;
  background: var(--bg-header-band);
  color: var(--text-on-dark);
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 0.75rem;
}

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

.brand-sig {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.05em;
  color: var(--howl-shell);
  text-decoration: none;
}

.brand-sig span {
  color: var(--howl-cyan);
}

.subsystem-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: rgba(40, 183, 216, 0.15);
  color: var(--howl-cyan);
  border: 1px solid var(--howl-cyan);
  padding: 0.15rem 0.4rem;
  letter-spacing: 0.05em;
}

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

.btn-tech {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.4rem 0.85rem;
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  text-decoration: none;
  cursor: pointer;
  box-shadow: var(--shadow-flat);
  transition: background 0.15s, border-color 0.15s;
}

.btn-tech:hover {
  background: var(--bg-primary);
  border-color: var(--color-cyan);
}

.btn-tech-primary {
  background: var(--color-cyan);
  color: var(--howl-shell);
  border-color: var(--color-cyan);
}
.btn-tech-primary:hover {
  background: #08667c;
  border-color: var(--howl-blue);
}

.btn-theme-toggle {
  background: transparent;
  color: var(--howl-shell);
  border: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.35rem 0.65rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
.btn-theme-toggle:hover {
  border-color: var(--howl-cyan);
  color: var(--howl-cyan);
}

.btn-eco-toggle {
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.4rem 0.85rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}
.btn-eco-toggle:hover {
  border-color: var(--color-cyan);
  color: var(--color-cyan);
}

/* In-Page Navigation */
.section-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 1rem;
  background: var(--bg-surface);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  flex-wrap: wrap;
}

.section-nav-label {
  font-weight: 700;
  color: var(--text-dim);
  margin-right: 0.25rem;
}

.section-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.25rem 0.5rem;
  border: 1px solid transparent;
  transition: all 0.15s;
}

.section-nav a:hover {
  background: var(--bg-panel);
  border-color: var(--border-medium);
  color: var(--color-cyan);
}

/* ==========================================================================
   HAMBURGER / ECOSYSTEM DRAWER
   ========================================================================== */

.eco-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(16, 42, 67, 0.7);
  backdrop-filter: blur(2px);
  z-index: 2000;
  display: none;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.eco-drawer-overlay.active {
  display: block;
  opacity: 1;
}

.eco-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 480px;
  max-width: 100%;
  height: 100vh;
  background: var(--bg-panel);
  border-left: 2px solid var(--border-strong);
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.35);
  z-index: 2001;
  transform: translateX(100%);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.eco-drawer.active {
  transform: translateX(0);
}

.drawer-header {
  background: var(--bg-header-band);
  color: var(--text-on-dark);
  padding: 1rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
}

.drawer-title {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--howl-cyan);
}

.btn-drawer-close {
  background: transparent;
  color: var(--howl-shell);
  border: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.3rem 0.6rem;
  cursor: pointer;
}
.btn-drawer-close:hover {
  border-color: var(--howl-cyan);
  color: var(--howl-cyan);
}

.drawer-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}

.drawer-node-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 0.85rem 1rem;
  text-decoration: none;
  color: inherit;
  display: block;
  box-shadow: var(--shadow-flat);
  transition: all 0.15s;
}

.drawer-node-card:hover {
  border-color: var(--color-blue);
  background: var(--bg-panel);
  transform: translateX(-2px);
}

.drawer-node-card.active-hub {
  border-left: 4px solid var(--color-amber);
}

.node-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.35rem;
}

.node-card-name {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.node-card-role {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-cyan);
}

.node-card-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.drawer-footer {
  background: var(--bg-header-band);
  color: var(--text-on-dark);
  padding: 0.75rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
}

/* ==========================================================================
   HERO PANEL
   ========================================================================== */

.hero-panel {
  background: var(--bg-panel);
  border: 1px solid var(--border-medium);
  box-shadow: var(--shadow-panel);
  margin-bottom: 1.75rem;
  position: relative;
}

.hero-banner {
  background: var(--bg-header-band);
  color: var(--text-on-dark);
  padding: 0.4rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
}

.hero-body {
  padding: 1.75rem 1.5rem;
}

.hero-header-block {
  margin-bottom: 1.5rem;
}

.hero-kicker {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-cyan);
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 0.35rem;
  text-transform: uppercase;
}

.hero-title {
  font-size: 2.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.15;
  margin-bottom: 0.5rem;
}

.hero-title .jp-sub {
  font-size: 1rem;
  font-weight: 400;
  font-family: var(--font-mono);
  color: var(--text-dim);
  margin-left: 0.75rem;
  letter-spacing: 0.1em;
}

.hero-lead {
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 860px;
  margin-bottom: 1rem;
}

.axiom-card {
  border-left: 4px solid var(--color-cyan);
  background: var(--bg-sunken);
  padding: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
}

.axiom-card strong {
  color: var(--color-cyan);
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1.75rem;
}

/* Architecture Telemetry Diagram */
.hero-diagram-wrap {
  border: 1px solid var(--border-medium);
  background: var(--bg-surface);
  padding: 1.25rem;
  margin-top: 1rem;
}

.diagram-header {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
  border-bottom: 1px dashed var(--border-subtle);
  padding-bottom: 0.4rem;
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}

.console-step {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-tech);
  display: flex;
  flex-direction: column;
}

.cs-header {
  padding: 0.35rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--howl-shell);
  background: var(--howl-navy);
}

.step-ui    .cs-header { background: var(--color-cyan); }
.step-http  .cs-header { background: var(--color-blue); }
.step-vm    .cs-header { background: var(--howl-navy); }
.step-store .cs-header { background: var(--color-amber); }

.cs-body {
  padding: 0.65rem 0.6rem;
  font-size: 0.85rem;
  flex: 1;
}

.cs-title {
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
  font-size: 0.9rem;
}

.cs-desc {
  font-size: 0.775rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.cs-tag {
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  border-top: 1px dotted var(--border-subtle);
  padding-top: 0.35rem;
}

/* ==========================================================================
   INTERACTIVE DEMO BOARD
   ========================================================================== */

/* Demo-scoped status colours. The site's shared accent tokens sit between
   3.0 and 3.7 against this surface, which is fine for headings but not for the
   0.65-0.72rem status text the showcase uses, so the demo defines its own. */
:root {
  --demo-ok: #0878a5;
  --demo-warn: #996500;
  --demo-bad: #c23825;
  --demo-info: #0e7891;
}
[data-theme="dark"] {
  --demo-ok: #0a9bd6;
  --demo-warn: #c78300;
  --demo-bad: #e06d5e;
  --demo-info: #129ec0;
}

.demo-board-wrap {
  margin: 1.5rem 0;
  background: var(--bg-panel);
  border: 1px solid var(--border-medium);
  padding: 1rem;
}

.demo-board-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.demo-console-readout {
  background: var(--bg-code);
  color: var(--howl-cyan);
  padding: 0.5rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  border-left: 3px solid var(--color-cyan);
  margin-bottom: 1rem;
}

.board-columns {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.6rem;
  align-items: start;
}

.board-column {
  background: var(--bg-panel);
  border: 1px solid var(--border-medium);
  box-shadow: var(--shadow-flat);
  min-height: 260px;
  display: flex;
  flex-direction: column;
}

.col-header {
  background: var(--bg-header-band);
  color: var(--text-on-dark);
  padding: 0.4rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-align: center;
  border-bottom: 1px solid var(--border-subtle);
  letter-spacing: 0.05em;
}

.col-cards {
  padding: 0.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.task-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 0.5rem;
  box-shadow: var(--shadow-tech);
  font-size: 0.8rem;
}

.task-id {
  font-family: var(--font-mono);
  font-size: 0.675rem;
  color: var(--color-cyan);
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.task-title {
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
  line-height: 1.25;
}

.task-desc {
  font-size: 0.725rem;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
  line-height: 1.35;
}

.task-meta {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.675rem;
  color: var(--text-dim);
  border-top: 1px dotted var(--border-subtle);
  padding-top: 0.3rem;
  margin-bottom: 0.35rem;
}

.task-actions {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.btn-card-action {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 0.2rem 0.4rem;
  background: var(--bg-panel);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
}
.btn-card-action:hover {
  border-color: var(--color-cyan);
  color: var(--color-cyan);
}

/* ==========================================================================
   TECHNICAL CONTENT PANELS & SECTIONS
   ========================================================================== */

.tech-panel {
  background: var(--bg-panel);
  border: 1px solid var(--border-medium);
  box-shadow: var(--shadow-panel);
  margin-bottom: 1.75rem;
}

.tech-header {
  background: var(--bg-header-band);
  color: var(--text-on-dark);
  padding: 0.65rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-header h2 {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tech-header .sec-id {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--howl-cyan);
  background: rgba(40, 183, 216, 0.15);
  border: 1px solid var(--howl-cyan);
  padding: 0.1rem 0.35rem;
}

.tech-body {
  padding: 1.5rem;
}

.tech-body p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

.tech-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 1.25rem 0 0.5rem 0;
  font-family: var(--font-sans);
}

.tech-body ul, .tech-body ol {
  margin: 0.5rem 0 1.25rem 1.5rem;
  color: var(--text-secondary);
}

.tech-body li {
  margin-bottom: 0.4rem;
}

.tech-body strong {
  color: var(--text-primary);
}

.grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

/* ==========================================================================
   CODE BLOCKS & TERMINALS
   ========================================================================== */

.code-container {
  margin: 1rem 0 1.25rem 0;
  border: 1px solid var(--border-tech);
  background: var(--bg-code);
  box-shadow: var(--shadow-tech);
}

.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.35rem 0.75rem;
  background: var(--bg-code-header);
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--howl-shell);
}

.code-title {
  color: var(--howl-cyan);
  font-weight: 700;
}

.btn-copy {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.15rem 0.45rem;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-copy:hover {
  color: var(--howl-cyan);
  border-color: var(--howl-cyan);
}

pre {
  margin: 0;
  padding: 1rem;
  overflow-x: auto;
  background: var(--bg-code);
  color: var(--text-code);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.5;
}

code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--bg-sunken);
  color: var(--text-primary);
  padding: 0.15rem 0.35rem;
  border: 1px solid var(--border-subtle);
}

pre code {
  background: transparent;
  padding: 0;
  border: none;
  color: inherit;
}

/* ==========================================================================
   TABLES
   ========================================================================== */

.table-wrap {
  overflow-x: auto;
  margin: 1rem 0 1.25rem 0;
  border: 1px solid var(--border-medium);
  box-shadow: var(--shadow-flat);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  text-align: left;
}

th {
  background: var(--bg-header-band);
  color: var(--text-on-dark);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
  letter-spacing: 0.03em;
}

td {
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-panel);
  color: var(--text-secondary);
}

tr:nth-child(even) td {
  background: var(--bg-surface);
}

tr:hover td {
  background: var(--bg-sunken);
}

/* Status Chips */
.chip {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.725rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border: 1px solid currentColor;
}

.chip-pass, .chip-cyan { color: var(--color-cyan); background: rgba(40, 183, 216, 0.1); }
.chip-allow, .chip-blue { color: var(--color-blue); background: rgba(8, 127, 175, 0.1); }
.chip-deny, .chip-red { color: var(--color-red); background: rgba(217, 71, 50, 0.1); }
.chip-require, .chip-amber { color: var(--color-amber); background: rgba(242, 169, 27, 0.1); }
.chip-ai, .chip-magenta { color: var(--color-magenta); background: rgba(226, 29, 104, 0.1); }

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
  border: 1px solid var(--border-medium);
  background: var(--bg-panel);
  box-shadow: var(--shadow-tech);
  margin-top: 2rem;
}

.footer-telemetry {
  background: var(--bg-header-band);
  color: var(--text-on-dark);
  padding: 0.65rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.775rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 0.5rem;
}

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--howl-cyan);
  box-shadow: 0 0 6px var(--howl-cyan);
}

.footer-links {
  padding: 1rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: var(--bg-surface);
  flex-wrap: wrap;
  gap: 0.75rem;
}

.footer-nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-nav a, .footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
}

.footer-nav a:hover, .footer-links a:hover {
  color: var(--color-cyan);
  text-decoration: underline;
}

@media (max-width: 900px) {
  .signal-grid {
    grid-template-columns: 1fr;
  }
  .board-columns {
    grid-template-columns: 1fr;
  }
  .grid-2col {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 1.85rem;
  }
  .header-top, .footer-links, .footer-telemetry {
    flex-direction: column;
    align-items: flex-start;
  }
  .eco-drawer {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}
/* ============================================================================
   SECTION 03 - Mission control showcase (read-only)

   The showcase is compiled from docs/demo.howl and imports the same rendering
   module as the application, so it emits the application's class names. These
   rules restyle those names for the published site's palette, scoped to the
   demo container so they cannot leak into the rest of the page.
   ========================================================================= */

:root {
  --demo-ok: #0878a5;
  --demo-warn: #996500;
  --demo-bad: #c23825;
  --demo-info: #0e7891;
}
[data-theme="dark"] {
  --demo-ok: #0a9bd6;
  --demo-warn: #c78300;
  --demo-bad: #e06d5e;
  --demo-info: #129ec0;
}

.demo-note {
  border-left: 3px solid var(--demo-warn);
  padding-left: 12px;
  font-size: 0.9rem;
}

.demo-board-wrap {
  margin: 1.5rem 0;
  background: var(--bg-panel);
  border: 1px solid var(--border-medium);
  padding: 1rem;
}

.demo-board-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.demo-split {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 6fr);
  gap: 0;
  border: 1px solid var(--border-subtle);
}

.demo-list { border-right: 1px solid var(--border-subtle); max-height: 620px; overflow-y: auto; }
.demo-detail { max-height: 620px; overflow-y: auto; }

/* --- rows, as emitted by view/render_row --- */
.demo-board-wrap .mission-row {
  display: block;
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--border-subtle);
  border-left: 4px solid var(--border-medium);
  padding: 12px 14px;
  cursor: pointer;
  font-family: var(--font-mono);
  color: inherit;
}
.demo-board-wrap .mission-row:hover { background: var(--bg-sunken); }
.demo-board-wrap .mission-row.s-EXECUTING { border-left-color: var(--demo-info); }
.demo-board-wrap .mission-row.s-AWAITING_APPROVAL { border-left-color: var(--demo-warn); }
.demo-board-wrap .mission-row.s-BLOCKED { border-left-color: var(--demo-bad); }
.demo-board-wrap .mission-row.s-FAILED { border-left-color: var(--demo-bad); }
.demo-board-wrap .mission-row.s-COMPLETED { border-left-color: var(--demo-ok); }
.demo-board-wrap .mission-row.s-CLOSED { border-left-color: var(--border-strong); }

.demo-board-wrap .row-top { display: flex; justify-content: space-between; gap: 10px; align-items: baseline; }
.demo-board-wrap .mid { font-size: 0.75rem; letter-spacing: 0.08em; opacity: 0.7; }
.demo-board-wrap .title { display: block; margin: 6px 0 8px; font-family: var(--font-sans); }
.demo-board-wrap .row-meta { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }

/* --- the spine, as emitted by view/render_detail --- */
.demo-board-wrap .stage { border-bottom: 1px solid var(--border-subtle); padding: 14px 16px; }
.demo-board-wrap .stage:last-child { border-bottom: 0; }
.demo-board-wrap .stage > h3 {
  margin: 0 0 10px;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}
.demo-board-wrap .stage > h3::before {
  content: attr(data-step);
  border: 1px solid var(--border-medium);
  padding: 1px 5px;
  color: var(--demo-info);
}

.demo-board-wrap .detail-title { font-size: 1.15rem; font-weight: 700; margin: 0 0 4px; }
.demo-board-wrap .detail-desc { margin: 0 0 10px; opacity: 0.85; }
.demo-board-wrap .kv { display: grid; grid-template-columns: minmax(110px, auto) 1fr; gap: 4px 14px; margin: 0; font-size: 0.85rem; }
.demo-board-wrap .kv dt { font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; opacity: 0.6; padding-top: 3px; }
.demo-board-wrap .kv dd { margin: 0; overflow-wrap: anywhere; }

.demo-board-wrap .item { border-left: 2px solid var(--border-medium); padding: 6px 0 6px 10px; margin-bottom: 8px; }
.demo-board-wrap .item-head { display: flex; flex-wrap: wrap; gap: 8px; align-items: baseline; }
.demo-board-wrap .item-sub { display: block; font-size: 0.78rem; opacity: 0.72; overflow-wrap: anywhere; }

.demo-board-wrap .tag, .demo-board-wrap .badge {
  display: inline-block;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--border-medium);
  padding: 1px 6px;
}
.demo-board-wrap .badge { border-style: dashed; color: var(--demo-warn); }

.demo-board-wrap .state {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid currentColor;
  padding: 1px 6px;
  white-space: nowrap;
}
.demo-board-wrap .state-EXECUTING { color: var(--demo-info); }
.demo-board-wrap .state-AWAITING_APPROVAL { color: var(--demo-warn); }
.demo-board-wrap .state-BLOCKED, .demo-board-wrap .state-FAILED { color: var(--demo-bad); }
.demo-board-wrap .state-COMPLETED { color: var(--demo-ok); }
.demo-board-wrap .state-VERIFYING, .demo-board-wrap .state-REMEDIATING { color: var(--demo-info); }
.demo-board-wrap .state-CLOSED, .demo-board-wrap .state-CREATED, .demo-board-wrap .state-ROUTED { opacity: 0.7; }

.demo-board-wrap .status { font-size: 0.72rem; letter-spacing: 0.06em; white-space: nowrap; }
.demo-board-wrap .status-PASS, .demo-board-wrap .status-passed { color: var(--demo-ok); }
.demo-board-wrap .status-FAIL, .demo-board-wrap .status-failed { color: var(--demo-bad); }
.demo-board-wrap .status-PENDING, .demo-board-wrap .status-claimed { color: var(--demo-warn); }
.demo-board-wrap .status-EXPIRED { color: var(--demo-bad); }
.demo-board-wrap .status-DELEGATED_AUTHORITY_ALLOW { color: var(--demo-ok); }
.demo-board-wrap .status-ENVELOPE_EXPIRED,
.demo-board-wrap .status-DENIED_BY_ENVELOPE { color: var(--demo-bad); }
.demo-board-wrap .status-ENVELOPE_ABSENT { color: var(--demo-warn); }

.demo-board-wrap .authority-banner { border: 1px solid currentColor; padding: 8px 10px; margin: 0 0 10px; font-size: 0.8rem; letter-spacing: 0.06em; }
.demo-board-wrap .env-DELEGATED_AUTHORITY_ALLOW { color: var(--demo-ok); }
.demo-board-wrap .env-ENVELOPE_EXPIRED, .demo-board-wrap .env-DENIED_BY_ENVELOPE { color: var(--demo-bad); }
.demo-board-wrap .env-ENVELOPE_ABSENT { color: var(--demo-warn); }

.demo-board-wrap .plan-step { display: flex; gap: 10px; align-items: baseline; padding: 3px 0; }
.demo-board-wrap .plan-step .marker { width: 1.8em; flex: none; opacity: 0.6; }
.demo-board-wrap .plan-step.p-complete .marker { color: var(--demo-ok); }
.demo-board-wrap .plan-step.p-active .marker { color: var(--demo-info); }
.demo-board-wrap .plan-step.p-failed .marker { color: var(--demo-bad); }
.demo-board-wrap .plan-step.p-skipped { opacity: 0.55; text-decoration: line-through; }

.demo-board-wrap .verification-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: space-between;
  align-items: baseline;
  border-left: 3px solid var(--border-medium);
  padding: 6px 0 6px 10px;
  margin-bottom: 6px;
}
.demo-board-wrap .verification-row.v-passed { border-left-color: var(--demo-ok); }
.demo-board-wrap .verification-row.v-failed { border-left-color: var(--demo-bad); }
.demo-board-wrap .verification-row.v-claimed { border-left-color: var(--demo-warn); }
.demo-board-wrap .claim-warning { display: block; color: var(--demo-warn); font-size: 0.76rem; }

.demo-board-wrap .outcome-line { font-size: 1.1rem; font-weight: 700; letter-spacing: 0.04em; margin: 0; }
.demo-board-wrap .outcome-task_completed { color: var(--demo-ok); }
.demo-board-wrap .outcome-task_failed { color: var(--demo-bad); }
.demo-board-wrap .outcome-pending { opacity: 0.6; }

.demo-board-wrap .timeline { border-left: 1px solid var(--border-medium); margin-left: 5px; }
.demo-board-wrap .timeline-row { display: flex; gap: 12px; padding: 4px 0 4px 12px; font-size: 0.82rem; }
.demo-board-wrap .timeline-row .at { flex: none; opacity: 0.6; font-size: 0.75rem; }
.demo-board-wrap .timeline-row .who { opacity: 0.72; font-size: 0.78rem; margin-left: 6px; }

/* Section 08 markup referenced these but they were never defined. */
.qa-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}
.qa-item {
  background: var(--bg-sunken);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--demo-info);
  padding: 14px 16px;
}
.qa-item h3 { margin-top: 0; font-size: 0.95rem; }
.qa-item p:last-child { margin-bottom: 0; }

@media (max-width: 820px) {
  .demo-split { grid-template-columns: minmax(0, 1fr); }
  .demo-list { border-right: 0; border-bottom: 1px solid var(--border-medium); max-height: 320px; }
  .demo-board-wrap .kv { grid-template-columns: minmax(0, 1fr); }
  .demo-board-wrap .kv dt { padding-top: 8px; }
}