/* CipherSphere: two complete design systems sharing one semantic interface. */
:root,
:root[data-appearance="cipher-noir"] {
  color-scheme: dark;
  --canvas: oklch(0.105 0.008 235);
  --canvas-2: oklch(0.075 0.006 240);
  --surface: oklch(0.145 0.009 230);
  --surface-2: oklch(0.18 0.011 230);
  --well: oklch(0.085 0.008 238);
  --text: oklch(0.91 0.012 220);
  --strong: oklch(0.97 0.006 220);
  --muted: oklch(0.69 0.018 220);
  --line: oklch(0.37 0.014 225);
  --line-strong: oklch(0.58 0.018 220);
  --control-line: var(--line-strong);
  --accent: oklch(0.85 0.17 97);
  --accent-text: var(--accent);
  --accent-hover: oklch(0.91 0.15 99);
  --accent-soft: oklch(0.26 0.06 96);
  --accent-2: oklch(0.69 0.18 346);
  --success: oklch(0.76 0.14 154);
  --success-soft: oklch(0.21 0.05 154);
  --warning: oklch(0.85 0.17 97);
  --warning-soft: oklch(0.23 0.06 92);
  --danger: oklch(0.72 0.18 25);
  --danger-soft: oklch(0.23 0.065 24);
  --on-accent: oklch(0.12 0.01 95);
  --focus-a: oklch(0.98 0.006 220);
  --focus-b: oklch(0.86 0.17 97);
  --particle-color: oklch(0.92 0.012 220);
  --signal-color: oklch(0.85 0.17 97);
  --radius-panel: 2px;
  --radius-control: 1px;
  --shadow: 0 26px 80px oklch(0.02 0.004 240 / 0.72);
  --content: 1320px;
  --page-pad: clamp(1.5rem, 3vw, 3rem);
  --section-gap: clamp(3rem, 6vw, 5rem);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  font-family: "Segoe UI Variable", "Aptos", "Helvetica Neue", Arial, sans-serif;
  font-size: 100%;
  line-height: 1.58;
}

:root[data-appearance="signal-atelier"] {
  color-scheme: light;
  --canvas: oklch(0.96 0.016 82);
  --canvas-2: oklch(0.91 0.024 82);
  --surface: oklch(0.985 0.008 82);
  --surface-2: oklch(0.93 0.016 82);
  --well: oklch(0.995 0.004 82);
  --text: oklch(0.18 0.007 245);
  --strong: oklch(0.105 0.006 245);
  --muted: oklch(0.43 0.012 245);
  --line: oklch(0.62 0.014 80);
  --line-strong: oklch(0.24 0.008 245);
  --control-line: var(--line-strong);
  --accent: oklch(0.92 0.18 110);
  --accent-text: oklch(0.32 0.11 108);
  --accent-hover: oklch(0.86 0.19 108);
  --accent-soft: oklch(0.94 0.13 110);
  --accent-2: oklch(0.72 0.18 48);
  --success: oklch(0.4 0.12 151);
  --success-soft: oklch(0.91 0.06 151);
  --warning: oklch(0.42 0.12 78);
  --warning-soft: oklch(0.93 0.08 89);
  --danger: oklch(0.49 0.19 25);
  --danger-soft: oklch(0.92 0.055 25);
  --on-accent: oklch(0.12 0.008 245);
  --focus-a: oklch(0.99 0.006 82);
  --focus-b: oklch(0.15 0.008 245);
  --particle-color: oklch(0.2 0.008 245);
  --signal-color: oklch(0.92 0.18 110);
  --radius-panel: 28px;
  --radius-control: 999px;
  --shadow: 0 26px 65px oklch(0.28 0.016 78 / 0.15);
}

*, *::before, *::after { box-sizing: border-box; }
html { min-width: 300px; background: var(--canvas); scroll-behavior: smooth; scroll-padding-top: 7rem; }
body { min-height: 100dvh; margin: 0; overflow-x: hidden; background: var(--canvas); color: var(--text); transition: background-color 320ms var(--ease-out), color 220ms var(--ease-out); }
img { max-width: 100%; height: auto; }
button, input, select, textarea { color: inherit; font: inherit; }
button, summary { touch-action: manipulation; }
a { color: inherit; text-decoration-thickness: 0.08em; text-underline-offset: 0.22em; }
a:hover { color: var(--accent-text); }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid var(--focus-b); outline-offset: 3px; box-shadow: 0 0 0 6px var(--focus-a) !important; }

h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 18ch; margin-bottom: 0.7rem; color: var(--strong); font-size: 3.5rem; font-weight: 450; line-height: 1.02; letter-spacing: -0.052em; }
h2 { margin-bottom: 0.8rem; color: var(--strong); font-size: 1.75rem; font-weight: 520; line-height: 1.15; letter-spacing: -0.025em; }
h3 { margin-bottom: 0.4rem; color: var(--strong); font-size: 1.08rem; }
p { max-width: 70ch; }
code, .code-well { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }

.shell { width: min(calc(100% - 3rem), var(--content)); margin-inline: auto; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 0.6rem; left: 0.6rem; z-index: 100; padding: 0.72rem 1rem; border: 2px solid var(--focus-b); border-radius: 4px; background: var(--surface); color: var(--strong); transform: translateY(-160%); }
.skip-link:focus { transform: none; }

/* Decorative chassis */
.cyber-backdrop { position: fixed; inset: 0; z-index: -2; overflow: hidden; pointer-events: none; }
.cyber-grid { position: absolute; inset: 0; opacity: 0.16; background-image: linear-gradient(oklch(0.8 0.02 220 / 0.13) 1px, transparent 1px), linear-gradient(90deg, oklch(0.8 0.02 220 / 0.13) 1px, transparent 1px); background-size: 76px 76px; mask-image: linear-gradient(to bottom, black, transparent 92%); }
.cyber-beam { position: absolute; width: 40rem; height: 40rem; border-radius: 50%; background: var(--accent); filter: blur(105px); opacity: 0.055; }
.cyber-beam--primary { top: -31rem; right: -18rem; }
.cyber-beam--secondary { bottom: -34rem; left: -20rem; background: var(--accent-2); }
.cyber-vignette { position: absolute; inset: 0; background: radial-gradient(circle at 50% 30%, transparent 0 30rem, oklch(0.025 0.004 240 / 0.52) 82%); }
.cyber-noise { position: absolute; inset: 0; opacity: 0.075; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.94' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.26'/%3E%3C/svg%3E"); mix-blend-mode: soft-light; }
:root[data-appearance="signal-atelier"] .cyber-grid, :root[data-appearance="signal-atelier"] .cyber-beam, :root[data-appearance="signal-atelier"] .cyber-vignette { display: none; }
:root[data-appearance="signal-atelier"] .cyber-noise { opacity: 0.05; mix-blend-mode: multiply; }

/* Header and discoverable settings */
.site-header { position: sticky; top: 0; z-index: 30; background: var(--canvas); }
.site-header .header-inner { width: min(calc(100% - 2rem), 1680px); }
.header-inner { min-height: 76px; display: flex; align-items: center; gap: 0.75rem; border-bottom: 1px solid var(--line); }
.brand { min-width: 205px; display: inline-flex; align-items: center; gap: 0.7rem; color: var(--strong); font-weight: 850; text-decoration: none; white-space: nowrap; }
.brand-mark { display: grid; width: 2.45rem; height: 2.45rem; place-items: center; }
.brand-logo { width: 2.4rem; height: 2.4rem; transition: transform 220ms var(--ease-out); }
.brand:hover .brand-logo { transform: rotate(-5deg); }
.brand-copy { display: grid; line-height: 1.03; }
.brand-name { letter-spacing: -0.025em; }
.brand-tagline { margin-top: 0.24rem; color: var(--muted); font-size: 0.58rem; letter-spacing: 0.1em; text-transform: uppercase; }
.site-nav { min-width: 0; display: flex; flex: 1; align-items: center; justify-content: space-between; gap: 0.9rem; }
.task-links, .identity-cluster { min-width: 0; display: flex; align-items: center; gap: 0.18rem; }
.identity-cluster { margin-left: auto; }
.nav-link, .site-nav .nav-signout button, .subnav a { min-height: 42px; display: inline-flex; align-items: center; justify-content: center; padding: 0.55rem 0.62rem; border: 1px solid transparent; border-radius: var(--radius-control); background: transparent; color: var(--text); font: inherit; font-size: 0.79rem; font-weight: 690; line-height: 1; text-decoration: none; white-space: nowrap; cursor: pointer; }
.nav-link__glow { display: none; }
.nav-link:hover, .site-nav .nav-signout button:hover, .subnav a:hover { border-color: var(--line); background: var(--surface-2); color: var(--strong); }
.nav-link[aria-current="page"], .subnav a[aria-current="page"] { border-color: var(--accent); background: var(--accent-soft); color: var(--strong); box-shadow: inset 0 -2px var(--accent); }
.nav-signout { display: contents; }
.cyber-control, .effects-toggle, .appearance-picker__summary { min-height: 42px; display: inline-flex; align-items: center; justify-content: center; gap: 0.48rem; padding: 0.52rem 0.65rem; border: 1px solid var(--control-line); border-radius: var(--radius-control); background: transparent; color: var(--text); font-size: 0.72rem; font-weight: 720; cursor: pointer; }
.nav-toggle { display: none; min-height: 42px; align-items: center; justify-content: center; gap: 0.48rem; padding: 0.52rem 0.72rem; border: 1px solid var(--control-line); border-radius: var(--radius-control); background: transparent; color: var(--text); font-size: 0.75rem; font-weight: 720; cursor: pointer; }
.nav-toggle__icon { display: grid; gap: 4px; }
.nav-toggle__icon span { width: 1rem; height: 2px; display: block; background: currentColor; }
.profile-chip { min-height: 46px; display: inline-flex; align-items: center; gap: 0.45rem; padding: 0.28rem 0.58rem 0.28rem 0.28rem; border: 1px solid var(--control-line); border-radius: var(--radius-control); color: var(--text); font-size: 0.79rem; font-weight: 720; text-decoration: none; }
.profile-chip:hover, .profile-chip[aria-current="page"] { border-color: var(--accent); background: var(--accent-soft); color: var(--strong); }
.profile-chip__avatar { width: 2rem; height: 2rem; display: grid; flex: 0 0 auto; place-items: center; overflow: hidden; border: 1px solid var(--line-strong); border-radius: 50%; background: var(--well); }
.profile-chip__avatar img { width: 100%; height: 100%; object-fit: cover; }
.profile-chip__initials { color: var(--accent-text); font-size: 0.66rem; font-weight: 850; }
.appearance-picker { position: relative; }
.appearance-picker__summary { min-width: 9.5rem; justify-content: space-between; list-style: none; white-space: nowrap; }
.appearance-picker__summary::-webkit-details-marker { display: none; }
.appearance-picker__current { color: var(--accent-text); }
.appearance-picker__panel { position: absolute; top: calc(100% + 0.6rem); right: 0; z-index: 50; width: 260px; display: grid; gap: 0.55rem; margin: 0; padding: 0.85rem; border: 1px solid var(--line-strong); border-radius: max(3px, calc(var(--radius-panel) / 2)); background: var(--surface); box-shadow: var(--shadow); }
.appearance-choice { min-height: 48px; display: flex; align-items: center; gap: 0.7rem; padding: 0.55rem 0.65rem; border: 1px solid var(--control-line); border-radius: 2px; background: var(--well); color: var(--text); font: inherit; text-align: left; cursor: pointer; }
.appearance-choice:hover, .appearance-choice[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-soft); color: var(--strong); }
.appearance-swatch { width: 2.4rem; height: 1.35rem; flex: 0 0 auto; border: 1px solid var(--line-strong); border-radius: 2px; }
.appearance-swatch--cipher-noir { background: linear-gradient(135deg, oklch(0.11 0.008 235) 62%, oklch(0.85 0.17 97) 63%); }
.appearance-swatch--signal-atelier { background: linear-gradient(135deg, oklch(0.96 0.016 82) 62%, oklch(0.14 0.007 245) 63%); }
.effects-toggle__icon { width: 0.7rem; height: 0.7rem; border: 1px solid currentColor; border-radius: 50%; box-shadow: inset 3px 0 currentColor; }
.effects-toggle[aria-pressed="true"] .effects-toggle__icon { box-shadow: none; }
:root[data-appearance="signal-atelier"] .site-header { padding: 0.85rem 1rem 0; background: var(--canvas); }
:root[data-appearance="signal-atelier"] .header-inner { min-height: 74px; padding: 0.45rem 0.65rem; border: 0; border-radius: 28px 28px 0 0; background: oklch(0.135 0.007 245); }
:root[data-appearance="signal-atelier"] .brand, :root[data-appearance="signal-atelier"] .site-header .profile-chip, :root[data-appearance="signal-atelier"] .site-header .cyber-control, :root[data-appearance="signal-atelier"] .site-header .nav-link { color: oklch(0.96 0.008 82); }
:root[data-appearance="signal-atelier"] .task-links { padding: 0.2rem; border-radius: 999px; background: oklch(0.97 0.01 82); }
:root[data-appearance="signal-atelier"] .task-links .nav-link { color: oklch(0.15 0.007 245); }
:root[data-appearance="signal-atelier"] .site-header .appearance-picker__current { color: var(--accent); }
:root[data-appearance="signal-atelier"] .task-links .nav-link:hover, :root[data-appearance="signal-atelier"] .task-links .nav-link[aria-current="page"] { border-color: transparent; background: oklch(0.9 0.018 82); color: oklch(0.11 0.006 245); box-shadow: none; }
:root[data-appearance="signal-atelier"] .identity-cluster .nav-link:hover,
:root[data-appearance="signal-atelier"] .identity-cluster .nav-link[aria-current="page"],
:root[data-appearance="signal-atelier"] .site-header .profile-chip:hover,
:root[data-appearance="signal-atelier"] .site-header .profile-chip[aria-current="page"] { border-color: oklch(0.78 0.03 82); background: oklch(0.24 0.01 245); color: oklch(0.98 0.008 82); }
:root[data-appearance="signal-atelier"] .appearance-picker__panel { background: var(--surface); color: var(--text); }

/* Notifications, main stage, footer */
.flash-stack { position: relative; z-index: 15; padding-top: 0.75rem; }
.flash { margin-bottom: 0.55rem; padding: 0.82rem 1rem; border: 1px solid var(--line-strong); border-radius: 3px; background: var(--surface); }
.flash--success { border-color: var(--success); background: var(--success-soft); }
.flash--warning { border-color: var(--warning); background: var(--warning-soft); }
.flash--error { border-color: var(--danger); background: var(--danger-soft); }
#ui-notice:empty, #ui-error:empty { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.main-content { min-height: calc(100dvh - 150px); padding-block: var(--page-pad); }
.site-footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 0.84rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 1rem; padding-block: 1.25rem; }
.site-footer p { margin: 0; }

/* Shared product primitives */
.eyebrow, .section-kicker { margin-bottom: 0.62rem; color: var(--accent-text); font-size: 0.7rem; font-weight: 840; letter-spacing: 0.13em; text-transform: uppercase; }
.section-kicker { margin-bottom: 0.35rem; }
.lede { max-width: 54ch; color: var(--muted); font-size: 1.08rem; line-height: 1.68; }
.muted, .field-hint, .cell-meta, .timeline span, .record-list span { color: var(--muted); }
.panel, .empty-state, .page-header, .security-plate, .subnav, .auth-note, .cyber-panel, .metric-grid > div { border: 1px solid var(--line); border-radius: var(--radius-panel); background: var(--surface); box-shadow: none; }
.panel { padding: clamp(1.15rem, 3vw, 1.8rem); }
.page-header { min-height: auto; display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 1.5rem; padding: clamp(1.4rem, 3vw, 2rem); }
.page-header h1 { font-size: 3rem; }
.page-header p:last-child { margin-bottom: 0; color: var(--muted); }
.section-heading { display: flex; align-items: start; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.section-heading h2 { margin-bottom: 0; }
.content-section { margin-top: var(--section-gap); }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.65rem; }
.button { min-height: 46px; display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.66rem 0.95rem; border: 1px solid var(--line-strong); border-radius: var(--radius-control); background: transparent; color: var(--strong); font-weight: 760; line-height: 1.15; text-align: center; text-decoration: none; cursor: pointer; transition: transform 150ms var(--ease-out), background-color 180ms var(--ease-out), border-color 180ms var(--ease-out); }
.button:hover { border-color: var(--accent); background: var(--surface-2); color: var(--strong); transform: translateY(-1px); }
.button:active { transform: translateY(1px); }
.button--primary { border-color: var(--accent); background: var(--accent); color: var(--on-accent); }
.button--primary:hover { border-color: var(--accent-hover); background: var(--accent-hover); color: var(--on-accent); }
.button--secondary { border-color: var(--line-strong); }
.button--quiet { min-height: 42px; padding: 0.48rem 0.66rem; border-color: transparent; }
.button--danger { border-color: var(--danger); background: var(--danger-soft); color: var(--danger); }
.button--danger:hover { background: var(--danger); color: oklch(0.12 0.008 245); }
.button--full, .button--oauth { width: 100%; }
.text-link--arrow::after { content: " ↗"; }

/* Cipher Noir landing composition */
.hero { min-height: min(680px, calc(100svh - 76px)); display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(450px, 1.05fr); align-items: center; gap: clamp(3rem, 7vw, 7rem); }
.landing-hero { border-bottom: 1px solid var(--line); }
.landing-hero h1 { max-width: 12ch; font-size: clamp(3.6rem, 6vw, 5.45rem); font-weight: 410; line-height: 0.98; }
.hero-copy { position: relative; z-index: 2; }
.hero-copy .actions { margin-top: 1.6rem; }
.hero-actions { position: relative; z-index: 4; pointer-events: auto; }
.hero-signal { display: inline-flex; align-items: center; gap: 0.55rem; color: var(--muted); }
.hero-signal__marker, .workspace-signal__dot { width: 0.5rem; height: 0.5rem; display: inline-block; background: var(--accent); transform: rotate(45deg); }
.hero-capabilities { display: flex; flex-wrap: wrap; gap: 0; margin: 1.6rem 0 0; padding: 0; border-block: 1px solid var(--line); list-style: none; }
.hero-capabilities li { min-height: 44px; display: inline-flex; align-items: center; gap: 0.45rem; padding: 0.58rem 0.8rem; border-right: 1px solid var(--line); font-size: 0.76rem; font-weight: 700; }
.hero-capabilities li:last-child { border-right: 0; }
.protocol-tag { width: 0.42rem; height: 0.42rem; border-radius: 50%; background: var(--accent); }
.security-plate.perimeter-console { min-height: 580px; display: grid; grid-template-rows: minmax(405px, 1fr) auto; overflow: hidden; border: 0; background: transparent; }
.perimeter-console__visual { position: relative; min-height: 420px; display: grid; place-items: center; overflow: hidden; }
.cipher-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; pointer-events: none; }
.cipher-ring, .cipher-core, .console-reticle { position: absolute; pointer-events: none; }
.cipher-ring { aspect-ratio: 1; border: 1px solid var(--line); border-radius: 50%; opacity: 0.35; }
.cipher-ring--outer { width: 70%; }
.cipher-ring--inner { width: 28%; border-color: var(--accent); }
.cipher-core { width: 0.62rem; height: 0.62rem; border-radius: 50%; background: var(--accent); }
.console-reticle { width: 85%; aspect-ratio: 1; border-block: 1px solid var(--line); border-radius: 50%; opacity: 0.35; }
.security-plate__content { display: grid; grid-template-columns: auto 1fr; gap: 1rem 1.4rem; padding: 1.15rem 0; border-top: 1px solid var(--line); }
.security-plate__content .spec-list { grid-column: 2; grid-row: 1 / span 2; margin: 0; }
.spec-list, .detail-list { margin: 1.2rem 0 0; }
.spec-list div, .detail-list div { display: grid; grid-template-columns: minmax(8rem, 0.8fr) 1.2fr; gap: 1rem; padding: 0.65rem 0; border-bottom: 1px solid var(--line); }
.spec-list div:last-child, .detail-list div:last-child { border-bottom: 0; }
.spec-list dt, .detail-list dt { color: var(--muted); }
.spec-list dd, .detail-list dd { margin: 0; color: var(--strong); font-weight: 740; }
.material-sheet, .optic-core { display: none; }
.security-telemetry { position: relative; min-height: 360px; display: grid; grid-template-columns: minmax(280px, 0.72fr) minmax(520px, 1.28fr); isolation: isolate; margin-top: clamp(2rem, 4vw, 3.5rem); overflow: hidden; border-block: 1px solid var(--line-strong); }
.security-telemetry::before { position: absolute; left: clamp(-7rem, -5vw, -3rem); bottom: -9rem; z-index: -1; width: 22rem; aspect-ratio: 1; border: 1px solid var(--line); border-radius: 50%; background: repeating-radial-gradient(circle, transparent 0 1.6rem, color-mix(in oklch, var(--line) 55%, transparent) 1.64rem 1.68rem); content: ""; opacity: 0.34; }
.security-telemetry__intro { position: relative; display: flex; flex-direction: column; justify-content: center; padding: clamp(2rem, 4vw, 3.6rem) clamp(2rem, 4vw, 3.6rem) clamp(2rem, 4vw, 3.6rem) 0; }
.security-telemetry__intro h2 { max-width: 13ch; margin-bottom: 0.9rem; font-size: clamp(2rem, 3.2vw, 3.15rem); font-weight: 450; }
.security-telemetry__lede { max-width: 38ch; margin-bottom: 1.8rem; color: var(--muted); }
.security-telemetry__summary { width: fit-content; display: grid; grid-template-columns: auto auto; gap: 0.1rem 0.6rem; align-items: center; margin: auto 0 0; padding-top: 1rem; border-top: 1px solid var(--line-strong); font-size: 0.76rem; }
.security-telemetry__summary strong { color: var(--strong); font-size: 0.78rem; }
.security-telemetry__summary > span:last-child { grid-column: 2; color: var(--muted); }
.security-telemetry__pulse { width: 0.55rem; height: 0.55rem; grid-row: 1 / span 2; border: 1px solid var(--accent); border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 color-mix(in oklch, var(--accent) 45%, transparent); animation: telemetry-pulse 2.8s ease-out infinite; }
.security-telemetry__ordinal { position: absolute; right: 1.1rem; bottom: -1.3rem; z-index: -1; color: color-mix(in oklch, var(--line) 38%, transparent); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: clamp(6rem, 11vw, 10rem); font-weight: 800; line-height: 1; letter-spacing: -0.12em; }
.security-telemetry__instrument { position: relative; display: grid; align-items: center; padding: clamp(1.1rem, 2.8vw, 2.6rem) 0 clamp(1.1rem, 2.8vw, 2.6rem) clamp(1rem, 3vw, 3rem); overflow: hidden; border-left: 1px solid var(--line-strong); }
.security-telemetry__scan { position: absolute; top: 0; bottom: 0; left: 0; z-index: 0; width: 26%; pointer-events: none; background: linear-gradient(90deg, transparent, color-mix(in oklch, var(--accent) 10%, transparent), transparent); transform: translateX(-120%); animation: telemetry-scan 6.8s var(--ease-out) infinite; }
.security-telemetry__list { position: relative; z-index: 1; margin: 0; }
.security-telemetry__list > div { position: relative; min-height: 70px; display: grid; grid-template-columns: minmax(12.5rem, 0.82fr) minmax(14rem, 1.18fr); align-items: center; border-top: 1px solid var(--line-strong); }
.security-telemetry__list > div:last-child { border-bottom: 1px solid var(--line-strong); }
.security-telemetry__list > div::after { position: absolute; left: -3.24rem; width: 0.48rem; height: 0.48rem; border: 1px solid var(--accent); background: var(--canvas); content: ""; transform: rotate(45deg); }
.security-telemetry__list dt { min-width: 0; display: grid; grid-template-columns: 3.5rem minmax(0, 1fr); align-items: center; color: var(--muted); font-size: 0.78rem; }
.security-telemetry__index { color: var(--accent-text); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 0.7rem; letter-spacing: 0.08em; }
.security-telemetry__list dd { min-width: 0; display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin: 0; }
.security-telemetry__list dd strong { overflow-wrap: anywhere; color: var(--strong); font-size: 0.98rem; }
.security-telemetry__list dd span { color: var(--accent-text); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 0.67rem; letter-spacing: 0.08em; text-transform: uppercase; }
.security-perimeter--asymmetric { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(420px, 1.15fr); gap: clamp(2.5rem, 7vw, 7rem); align-items: center; }
.security-perimeter__copy h2 { max-width: 13ch; font-size: clamp(2.3rem, 4vw, 3.8rem); }
.perimeter-facts { margin-top: 2rem; }
.perimeter-facts > div { display: grid; grid-template-columns: 1fr 1.15fr; gap: 1rem; padding: 0.8rem 0; border-top: 1px solid var(--line); }
.perimeter-facts dt { color: var(--muted); }
.perimeter-facts dd { margin: 0; font-weight: 700; }
.perimeter-terminal { padding: clamp(1.4rem, 4vw, 2.2rem); }
.terminal-chrome { display: flex; gap: 0.35rem; margin-bottom: 2rem; }
.terminal-chrome span { width: 0.45rem; height: 0.45rem; border: 1px solid var(--line-strong); border-radius: 50%; }
.terminal-path { color: var(--accent-text); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 0.7rem; letter-spacing: 0.1em; }
.terminal-trace { margin: 1.4rem 0 0; padding: 0; list-style: none; }
.terminal-trace li { display: grid; grid-template-columns: auto 1fr; gap: 1rem; padding: 0.82rem 0; border-top: 1px solid var(--line); }
.terminal-trace strong, .terminal-trace span { display: block; }
.trace-index { color: var(--accent-text); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.workflow-section { padding-top: clamp(2.5rem, 5vw, 4rem); border-top: 1px solid var(--line); }
.section-intro { display: grid; grid-template-columns: 1fr minmax(280px, 0.62fr); align-items: end; gap: 0.4rem 2rem; margin-bottom: 1.5rem; }
.section-intro .eyebrow { grid-column: 1 / -1; }
.section-intro h2, .section-intro p { margin-bottom: 0; }
.feature-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); }
.feature-card { position: relative; min-height: 300px; grid-column: span 3; isolation: isolate; padding: 1.4rem; overflow: hidden; border-width: 1px 1px 1px 0; border-radius: 0; }
.feature-card:first-child { border-left-width: 1px; }
.feature-card > :not(.feature-card__trace) { position: relative; z-index: 1; }
.feature-card__index { display: block; margin-bottom: 4.4rem; color: var(--accent-text); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 0.76rem; letter-spacing: 0.1em; }
.feature-card p { max-width: 31ch; margin-bottom: 0; color: var(--muted); }
.feature-card__trace { position: absolute; top: 1.2rem; right: 1.2rem; z-index: 0; width: 6.25rem; height: 6.25rem; border-radius: 50%; opacity: 0.24; background: radial-gradient(circle, transparent 0 25%, var(--particle-color) 26% 27%, transparent 28% 40%, var(--particle-color) 41% 42%, transparent 43%), repeating-conic-gradient(var(--particle-color) 0 1deg, transparent 1deg 8deg); mask-image: radial-gradient(circle, black 0 64%, transparent 66%); }
.landing-cta { min-height: 250px; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; padding: clamp(1.5rem, 5vw, 3rem); overflow: hidden; }
.landing-cta__grid { position: absolute; inset: 0; opacity: 0.1; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 58px 58px; }
.landing-cta__copy, .landing-cta__actions { position: relative; z-index: 1; }

/* Signal Atelier is a different physical composition, not a recolor. */
:root[data-appearance="signal-atelier"] .main-content { padding-top: 0; }
:root[data-appearance="signal-atelier"] .landing-hero { min-height: 690px; grid-template-columns: minmax(0, 0.9fr) minmax(430px, 1.1fr); gap: 2rem; padding: clamp(2.2rem, 5vw, 4.2rem); border: 0; border-radius: 0 0 30px 30px; background: var(--surface); }
:root[data-appearance="signal-atelier"] .landing-hero h1 { max-width: 9ch; font-weight: 420; }
:root[data-appearance="signal-atelier"] .hero-capabilities { border-color: var(--line); }
:root[data-appearance="signal-atelier"] .security-plate.perimeter-console { min-height: 545px; grid-template-rows: 1fr auto; }
:root[data-appearance="signal-atelier"] .perimeter-console__visual { min-height: 410px; }
:root[data-appearance="signal-atelier"] .cipher-canvas, :root[data-appearance="signal-atelier"] .cipher-ring, :root[data-appearance="signal-atelier"] .cipher-core, :root[data-appearance="signal-atelier"] .console-reticle { display: none; }
:root[data-appearance="signal-atelier"] .material-sheet, :root[data-appearance="signal-atelier"] .optic-core { position: absolute; display: block; }
.material-sheet { left: 50%; top: 50%; width: 80%; height: 42%; border: 1px solid oklch(0.66 0.02 245); border-radius: 48% 52% 42% 58% / 55% 45% 55% 45%; transform-origin: center; }
.material-sheet--one { z-index: 1; background: oklch(0.88 0.016 245); transform: translate(-50%, -46%) rotate(-7deg); }
.material-sheet--two { z-index: 2; background: oklch(0.95 0.018 82); box-shadow: 0 16px 30px oklch(0.24 0.02 245 / 0.17); transform: translate(-50%, -55%) rotate(4deg) scale(0.92); }
.material-sheet--three { z-index: 3; background: var(--accent); transform: translate(-50%, -65%) rotate(-2deg) scale(0.82); }
.optic-core { z-index: 5; top: 31%; left: 52%; width: 9.5rem; height: 9.5rem; border: 1px solid oklch(0.55 0.02 245); border-radius: 50%; background: radial-gradient(circle at 35% 30%, oklch(0.98 0.008 82), oklch(0.68 0.025 245) 28%, oklch(0.3 0.02 245) 50%, oklch(0.16 0.01 245) 52% 62%, var(--accent-2) 63% 68%, oklch(0.2 0.07 245) 70%); box-shadow: 0 22px 32px oklch(0.25 0.02 245 / 0.28); transform: translate(-50%, -50%); }
.optic-core__lens { position: absolute; inset: 31%; border-radius: 50%; background: radial-gradient(circle at 35% 30%, oklch(0.82 0.12 220), oklch(0.28 0.15 252) 38%, oklch(0.09 0.03 245) 72%); }
:root[data-appearance="signal-atelier"] .security-plate__content { padding: 1rem 1.15rem; border: 1px solid oklch(0.35 0.01 245); border-radius: 16px; background: oklch(0.145 0.008 245); color: oklch(0.92 0.01 82); }
:root[data-appearance="signal-atelier"] .security-plate__content h2, :root[data-appearance="signal-atelier"] .security-plate__content dd { color: oklch(0.98 0.008 82); }
:root[data-appearance="signal-atelier"] .security-plate__content dt { color: oklch(0.7 0.012 82); }
:root[data-appearance="signal-atelier"] .security-telemetry { min-height: 430px; grid-template-columns: minmax(270px, 0.72fr) minmax(520px, 1.28fr); gap: clamp(1.5rem, 4vw, 4rem); margin-top: 1rem; padding: clamp(1.4rem, 3.5vw, 3.4rem); border: 0; border-radius: 30px; background: var(--surface); box-shadow: var(--shadow); }
:root[data-appearance="signal-atelier"] .security-telemetry::before { left: auto; right: -8rem; bottom: -12rem; width: 30rem; border-color: oklch(0.72 0.02 80); background: repeating-radial-gradient(circle, transparent 0 2.1rem, oklch(0.72 0.02 80 / 0.4) 2.14rem 2.18rem); opacity: 0.6; }
:root[data-appearance="signal-atelier"] .security-telemetry__intro { min-height: 330px; justify-content: flex-start; padding: 0; }
:root[data-appearance="signal-atelier"] .security-telemetry .section-kicker { color: var(--accent-text); }
:root[data-appearance="signal-atelier"] .security-telemetry__intro h2 { max-width: 9ch; color: var(--strong); font-size: clamp(2.7rem, 4.7vw, 4.9rem); font-weight: 410; line-height: 0.96; }
:root[data-appearance="signal-atelier"] .security-telemetry__lede { max-width: 31ch; color: var(--muted); }
:root[data-appearance="signal-atelier"] .security-telemetry__summary { margin-top: auto; border-color: var(--line); }
:root[data-appearance="signal-atelier"] .security-telemetry__ordinal { right: -0.15rem; bottom: -1rem; color: oklch(0.88 0.03 82); }
:root[data-appearance="signal-atelier"] .security-telemetry__instrument { align-self: stretch; padding: clamp(1rem, 2.5vw, 2rem); overflow: hidden; border: 0; border-radius: 26px 26px 26px 6px; background: oklch(0.145 0.008 245); color: oklch(0.94 0.008 82); box-shadow: inset 0 0 0 1px oklch(0.38 0.012 245), 0 24px 42px oklch(0.18 0.01 245 / 0.16); }
:root[data-appearance="signal-atelier"] .security-telemetry__instrument::before { position: absolute; top: 0; right: 0; width: 5.5rem; height: 5.5rem; border: solid var(--accent); border-width: 0 0 1px 1px; border-radius: 0 0 0 100%; content: ""; opacity: 0.9; }
:root[data-appearance="signal-atelier"] .security-telemetry__scan { background: linear-gradient(90deg, transparent, oklch(0.92 0.18 110 / 0.13), transparent); }
:root[data-appearance="signal-atelier"] .security-telemetry__list > div { min-height: 78px; grid-template-columns: minmax(11.2rem, 0.8fr) minmax(13rem, 1.2fr); border-color: oklch(0.52 0.012 245); transition: padding 240ms var(--ease-out), background-color 240ms var(--ease-out); }
:root[data-appearance="signal-atelier"] .security-telemetry__list dt { grid-template-columns: 3.2rem minmax(0, 1fr); }
:root[data-appearance="signal-atelier"] .security-telemetry__list > div:first-child { margin-inline: -0.7rem; padding-inline: 0.7rem; border-color: var(--accent); border-radius: 10px 10px 0 0; background: var(--accent); }
:root[data-appearance="signal-atelier"] .security-telemetry__list > div:first-child .security-telemetry__index,
:root[data-appearance="signal-atelier"] .security-telemetry__list > div:first-child dt,
:root[data-appearance="signal-atelier"] .security-telemetry__list > div:first-child dd strong,
:root[data-appearance="signal-atelier"] .security-telemetry__list > div:first-child dd span { color: var(--strong); }
:root[data-appearance="signal-atelier"] .security-telemetry__list > div::after { display: none; }
:root[data-appearance="signal-atelier"] .security-telemetry__list dt { color: oklch(0.7 0.012 82); }
:root[data-appearance="signal-atelier"] .security-telemetry__index { color: var(--accent); }
:root[data-appearance="signal-atelier"] .security-telemetry__list dd strong { color: oklch(0.98 0.008 82); }
:root[data-appearance="signal-atelier"] .security-telemetry__list dd span { color: var(--accent); }
:root[data-appearance="signal-atelier"] .security-perimeter--asymmetric { padding: clamp(2rem, 5vw, 4rem); border-radius: 30px; background: var(--surface); }
:root[data-appearance="signal-atelier"] .perimeter-terminal { border-radius: 24px; background: oklch(0.145 0.008 245); color: oklch(0.92 0.008 82); }
:root[data-appearance="signal-atelier"] .perimeter-terminal h3 { color: oklch(0.98 0.008 82); }
:root[data-appearance="signal-atelier"] .workflow-section { padding: clamp(2.5rem, 5vw, 4rem); border: 0; border-radius: 30px; background: oklch(0.145 0.008 245); }
:root[data-appearance="signal-atelier"] .workflow-section h2, :root[data-appearance="signal-atelier"] .workflow-section .lede { color: oklch(0.96 0.008 82); }
:root[data-appearance="signal-atelier"] .workflow-section .eyebrow,
:root[data-appearance="signal-atelier"] .workflow-section .feature-card:not(:first-child) .feature-card__index,
:root[data-appearance="signal-atelier"] .security-plate__content .section-kicker,
:root[data-appearance="signal-atelier"] .perimeter-terminal .terminal-path,
:root[data-appearance="signal-atelier"] .perimeter-terminal .trace-index { color: var(--accent); }
:root[data-appearance="signal-atelier"] .feature-grid { gap: 0.9rem; }
:root[data-appearance="signal-atelier"] .feature-card { border: 1px solid oklch(0.48 0.01 245); border-radius: 18px; background: oklch(0.17 0.008 245); color: oklch(0.93 0.008 82); }
:root[data-appearance="signal-atelier"] .feature-card h3 { color: oklch(0.98 0.008 82); }
:root[data-appearance="signal-atelier"] .feature-card p { color: oklch(0.72 0.012 82); }
:root[data-appearance="signal-atelier"] .feature-card:first-child { border-color: var(--accent); background: var(--accent); color: var(--strong); }
:root[data-appearance="signal-atelier"] .feature-card:first-child h3, :root[data-appearance="signal-atelier"] .feature-card:first-child p, :root[data-appearance="signal-atelier"] .feature-card:first-child .feature-card__index { color: var(--strong); }
:root[data-appearance="signal-atelier"] .feature-card__trace { opacity: 0.42; background: radial-gradient(circle at 35% 30%, oklch(0.95 0.018 82), oklch(0.62 0.02 245) 36%, oklch(0.2 0.008 245) 39% 49%, var(--accent-2) 51% 56%, oklch(0.3 0.02 245) 58%); mask-image: none; box-shadow: 0 14px 22px oklch(0.05 0.01 245 / 0.32); }
:root[data-appearance="signal-atelier"] .landing-cta { border-radius: 28px; background: var(--accent); color: var(--strong); }
:root[data-appearance="signal-atelier"] .landing-cta h2, :root[data-appearance="signal-atelier"] .landing-cta p, :root[data-appearance="signal-atelier"] .landing-cta .eyebrow { color: var(--strong); }

/* Dashboard and data workspaces */
.dashboard-hero { min-height: 285px; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; overflow: visible; border-inline: 0; border-top: 0; background: transparent; }
.dashboard-hero__content { max-width: 760px; }
.dashboard-hero h1 { max-width: 16ch; font-size: 3.55rem; }
.dashboard-hero__rail { min-width: 310px; display: grid; gap: 1.2rem; padding-left: 2rem; border-left: 1px solid var(--line); }
.dashboard-hero__status { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 0; }
.dashboard-hero__status div { padding: 0.75rem; border: 1px solid var(--line); }
.dashboard-hero__status div + div { border-left: 0; }
.dashboard-hero__status dt { color: var(--muted); font-size: 0.7rem; text-transform: uppercase; }
.dashboard-hero__status dd { margin: 0.25rem 0 0; color: var(--strong); font-weight: 740; }
:root[data-appearance="signal-atelier"] .dashboard-hero { margin-top: 0.85rem; padding: clamp(2rem, 5vw, 4rem); border: 0; border-radius: 30px; background: var(--surface); }
:root[data-appearance="signal-atelier"] .dashboard-hero__rail { padding: 1.2rem; border: 0; border-radius: 20px; background: oklch(0.145 0.008 245); }
:root[data-appearance="signal-atelier"] .dashboard-hero__status dt { color: oklch(0.7 0.012 82); }
:root[data-appearance="signal-atelier"] .dashboard-hero__status dd { color: oklch(0.98 0.008 82); }
.metric-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 0; margin: 0 0 1.2rem; }
.metric-grid > div { min-height: 130px; grid-column: span 3; padding: 1rem 1.1rem; border-right: 0; }
.metric-grid > div:last-child { border-right: 1px solid var(--line); }
.metric-grid dt { color: var(--muted); font-size: 0.8rem; font-weight: 700; }
.metric-grid dd { margin: 1.2rem 0 0; color: var(--strong); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 1.75rem; font-weight: 830; line-height: 1; }
.metric-value--text { font-family: inherit; font-size: 1.25rem; }
.metric-grid--compact > div { grid-column: span 3; }
:root[data-appearance="signal-atelier"] .metric-grid { gap: 0.8rem; }
:root[data-appearance="signal-atelier"] .metric-grid > div { border: 1px solid oklch(0.25 0.008 245); border-radius: 18px; background: oklch(0.145 0.008 245); }
:root[data-appearance="signal-atelier"] .metric-grid > div:first-child { border-color: var(--accent); background: var(--accent); }
:root[data-appearance="signal-atelier"] .metric-grid > div:first-child dt, :root[data-appearance="signal-atelier"] .metric-grid > div:first-child dd { color: var(--strong); }
:root[data-appearance="signal-atelier"] .metric-grid dt { color: oklch(0.72 0.012 82); }
:root[data-appearance="signal-atelier"] .metric-grid dd { color: oklch(0.98 0.008 82); }
.dashboard-grid, .settings-grid, .result-layout { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; align-items: start; }
.dashboard-grid { grid-template-columns: minmax(0, 1.15fr) minmax(330px, 0.85fr); }
.settings-grid > :first-child:last-child { grid-column: 1 / -1; }
.profile-header + .settings-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.profile-header + .settings-grid > :last-child { grid-column: 1 / -1; }
:root[data-appearance="signal-atelier"] .panel { border-radius: 22px; }
.record-list, .timeline, .check-list { margin: 0; padding: 0; list-style: none; }
.record-list li { display: flex; justify-content: space-between; gap: 1rem; padding: 0.82rem 0; border-bottom: 1px solid var(--line); }
.record-list li:last-child { border-bottom: 0; }
.record-list strong, .record-list span { display: block; }
.timeline li { position: relative; margin-left: 0.4rem; padding: 0 0 1.1rem 1.2rem; border-left: 1px solid var(--line); }
.timeline li::before { content: ""; position: absolute; top: 0.38rem; left: -0.28rem; width: 0.52rem; height: 0.52rem; border: 1px solid var(--accent); background: var(--surface); transform: rotate(45deg); }
.timeline strong, .timeline span { display: block; }
.timeline p { margin: 0.2rem 0 0; }
.check-list li { position: relative; padding: 0.45rem 0 0.45rem 1.45rem; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--success); font-weight: 900; }

/* Forms, authentication, profile */
.auth-layout { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(260px, 0.7fr); gap: clamp(1.5rem, 6vw, 5rem); align-items: center; max-width: 1040px; margin-inline: auto; }
.auth-panel { max-width: 620px; }
.auth-note { padding: 1.4rem; }
.oauth-mark { width: 1.25rem; height: 1.25rem; display: block; flex: 0 0 auto; }
.oauth-hint { margin: 0.55rem 0 1rem; color: var(--muted); font-size: 0.84rem; text-align: center; }
.form-panel { max-width: 980px; margin-inline: auto; padding: clamp(1.5rem, 4vw, 3rem); }
.form-intro { margin-bottom: 1.4rem; }
.register-auth-choice { max-width: 680px; margin-block: 1.35rem; }
.register-form { display: grid; gap: 0.35rem; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 1.2rem; }
.registration-grid--identity { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.registration-grid--password { grid-template-columns: repeat(2, minmax(0, 1fr)); }
form { margin: 0; }
.field { margin-bottom: 1.05rem; }
.field label, fieldset legend { display: block; margin-bottom: 0.36rem; color: var(--strong); font-weight: 740; }
.field-hint { margin: -0.1rem 0 0.4rem; font-size: 0.85rem; }
.field-label { display: block; margin-bottom: 0.42rem; color: var(--strong); font-weight: 740; }
.required, .field-error { color: var(--danger); }
.field-error { margin: 0.4rem 0 0; font-size: 0.87rem; font-weight: 670; }
input:not([type="checkbox"]):not([type="radio"]), select, textarea { width: 100%; min-height: 48px; padding: 0.7rem 0.78rem; border: 1px solid var(--line-strong); border-radius: max(2px, calc(var(--radius-control) / 3)); background: var(--well); color: var(--strong); }
input:not([type="checkbox"]):not([type="radio"]):focus, select:focus, textarea:focus { border-color: var(--accent); }
textarea { resize: vertical; }
input[type="file"] { padding: 0.55rem; }
input[aria-invalid="true"], select[aria-invalid="true"], textarea[aria-invalid="true"] { border-color: var(--danger); background: var(--danger-soft); }
.field--check { display: flex; align-items: start; gap: 0.6rem; }
.field--check input { width: 1.2rem; height: 1.2rem; margin-top: 0.15rem; accent-color: var(--accent); }
.field--check label { margin: 0; }
.password-toggle { margin-top: 0.4rem; }
fieldset { margin: 0 0 1.25rem; padding: 1.1rem; border: 1px solid var(--line); border-radius: 3px; }
fieldset legend { padding-inline: 0.35rem; }
.register-fieldset { padding: 1.15rem 0 0; border: 0; border-top: 1px solid var(--line); border-radius: 0; }
.register-fieldset legend { color: var(--accent-text); font-size: 0.76rem; letter-spacing: 0.08em; text-transform: uppercase; }
.choice-divider { display: flex; align-items: center; gap: 0.65rem; margin: 1.25rem 0; color: var(--muted); font-size: 0.76rem; font-weight: 780; text-transform: uppercase; }
.choice-divider::before, .choice-divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.form-foot, .form-links { margin-top: 1.15rem; }
.form-links { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; }
.recessed-value, .file-result { margin: 0; padding: 0.78rem 0.88rem; border: 1px solid var(--line); border-radius: 3px; background: var(--well); }
.callout { padding: 0.85rem 1rem; border: 1px solid var(--success); border-radius: 3px; background: var(--success-soft); }
.callout--warning { border-color: var(--warning); background: var(--warning-soft); }
.avatar { width: 78px; height: 78px; display: grid; place-items: center; overflow: hidden; border: 1px solid var(--line-strong); border-radius: 50%; background: var(--well); }
.avatar img, .avatar--photo { width: 78px; height: 78px; object-fit: cover; }
.avatar--initials { color: var(--accent-text); font-size: 1.35rem; font-weight: 850; }
.profile-identity { display: flex; align-items: center; gap: 1rem; }
.avatar-form { padding-top: 1.1rem; border-top: 1px solid var(--line); }
.interface-theme-panel .appearance-choice { width: 100%; margin-bottom: 0.5rem; }
.interface-theme-panel .effects-toggle { margin-top: 0.65rem; }

/* Results, tables, details, statuses */
.result-primary { min-width: 0; }
.key-panel { border-color: var(--accent); }
.code-well { margin: 0.5rem 0 1rem; white-space: pre-wrap; overflow-wrap: anywhere; }
.secret-row code { display: block; max-height: 12rem; margin-bottom: 1rem; padding: 1rem; overflow: auto; border: 1px solid var(--line-strong); background: var(--well); overflow-wrap: anywhere; user-select: all; }
.table-scroll { padding: 0; overflow-x: auto; }
table { width: 100%; min-width: 920px; border-collapse: collapse; background: var(--surface); font-size: 0.9rem; }
caption { padding: 1rem; color: var(--muted); font-weight: 650; text-align: left; }
th, td { padding: 0.82rem 0.88rem; border-top: 1px solid var(--line); text-align: left; vertical-align: top; }
thead th { background: var(--well); color: var(--muted); font-size: 0.74rem; letter-spacing: 0.05em; text-transform: uppercase; }
tbody th { min-width: 11rem; }
tbody tr:hover { background: var(--surface-2); }
.cell-title, .cell-meta { display: block; }
.cell-meta { margin-top: 0.14rem; font-size: 0.76rem; }
.row-actions { display: flex; flex-wrap: wrap; align-items: start; gap: 0.5rem; min-width: 29rem; }
.row-actions > form { display: inline-flex; }
.row-actions .share-disclosure[open] { flex: 1 0 100%; order: 4; }
summary { min-height: 44px; display: inline-flex; align-items: center; padding: 0.48rem 0.65rem; border: 1px solid var(--line-strong); border-radius: var(--radius-control); cursor: pointer; font-weight: 730; }
details[open] > form { min-width: 270px; margin-top: 0.6rem; padding: 0.9rem; border: 1px solid var(--line-strong); background: var(--surface); box-shadow: var(--shadow); }
details form label { display: block; margin-top: 0.5rem; font-size: 0.8rem; font-weight: 710; }
details form .button { margin-top: 0.7rem; }
.row-actions .share-form { width: min(100%, 40rem); display: grid; grid-template-columns: minmax(14rem, 1fr) auto; gap: 0.65rem 0.8rem; }
.share-form__recipient { grid-column: 1; }
.share-form__recipient label { margin-top: 0; }
.share-form .field-hint { grid-column: 1 / -1; grid-row: 2; margin: 0; }
.share-form > .button { grid-column: 2; grid-row: 1; align-self: end; margin-top: 0; }
.status { min-height: 28px; display: inline-flex; align-items: center; padding: 0.2rem 0.55rem; border: 1px solid var(--line-strong); border-radius: var(--radius-control); background: var(--well); font-size: 0.74rem; font-weight: 790; white-space: nowrap; }
.status--success { border-color: var(--success); background: var(--success-soft); color: var(--success); }
.status--warning { border-color: var(--warning); background: var(--warning-soft); color: var(--warning); }
.empty-state { padding: clamp(1.5rem, 5vw, 3rem); text-align: center; }
.empty-state h2, .empty-state p { margin-inline: auto; }
.pagination { display: flex; align-items: center; justify-content: center; gap: 1rem; margin-top: 1.2rem; }
.subnav { display: flex; gap: 0.2rem; margin: -0.2rem 0 1.2rem; padding: 0.4rem; overflow-x: auto; }

/* Admin and errors */
.admin-console { --accent: oklch(0.78 0.16 48); --accent-hover: oklch(0.84 0.15 52); }
.admin-console .header-inner { border-bottom-color: var(--accent); }
.admin-console .subnav { border-color: var(--accent); }
.error-page { max-width: 680px; margin: 7vh auto; padding: 3rem; border: 1px solid var(--line-strong); background: var(--surface); text-align: center; }
.error-page h1, .error-page p, .error-page .actions { justify-content: center; margin-inline: auto; }
.error-code { margin-bottom: 0.2rem; color: var(--accent-text); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 6rem; font-weight: 900; line-height: 1; }

/* Motion: each theme has its own organism, both obey the same stop control. */
.motion-observer .motion-reveal { opacity: 0; transform: translateY(18px); transition: opacity 520ms var(--ease-out), transform 520ms var(--ease-out); }
.motion-observer .motion-reveal.is-visible { opacity: 1; transform: none; }
.signal-blink { animation: signal-fade 2.2s steps(2, end) infinite; }
.motion-scan { animation: circuit-turn 16s linear infinite; }
:root[data-appearance="signal-atelier"] .material-sheet--one { animation: sheet-one 9s ease-in-out infinite alternate; }
:root[data-appearance="signal-atelier"] .material-sheet--two { animation: sheet-two 11s ease-in-out infinite alternate; }
:root[data-appearance="signal-atelier"] .material-sheet--three { animation: sheet-three 8s ease-in-out infinite alternate; }
:root[data-appearance="signal-atelier"] .optic-core { animation: optic-float 7s ease-in-out infinite; }
:root[data-appearance="signal-atelier"] .optic-core__lens { animation: optic-turn 12s linear infinite; }
.effects-paused *, .effects-paused *::before, .effects-paused *::after { animation-play-state: paused !important; transition-duration: 0.01ms !important; }
@keyframes signal-fade { 0%, 70% { opacity: 1; } 71%, 100% { opacity: 0.42; } }
@keyframes circuit-turn { to { transform: rotate(360deg); } }
@keyframes sheet-one { to { transform: translate(-50%, -44%) rotate(-3deg) scale(1.03); } }
@keyframes sheet-two { to { transform: translate(-50%, -59%) rotate(7deg) scale(0.95); } }
@keyframes sheet-three { to { transform: translate(-50%, -61%) rotate(-5deg) scale(0.85); } }
@keyframes optic-float { 0%, 100% { transform: translate(-50%, -50%); } 50% { transform: translate(-50%, calc(-50% - 8px)); } }
@keyframes optic-turn { to { transform: rotate(360deg); } }
@keyframes telemetry-pulse { 0% { box-shadow: 0 0 0 0 color-mix(in oklch, var(--accent) 45%, transparent); } 55%, 100% { box-shadow: 0 0 0 0.7rem transparent; } }
@keyframes telemetry-scan { 0%, 16% { transform: translateX(-120%); } 58%, 100% { transform: translateX(520%); } }

/* Real theme-change transition. */
::view-transition-old(root) { animation: theme-old 260ms ease-in both; }
::view-transition-new(root) { animation: theme-new 520ms var(--ease-out) both; }
@keyframes theme-old { to { opacity: 0; transform: scale(0.99); } }
@keyframes theme-new { from { opacity: 0; clip-path: circle(0 at 92% 6%); } to { opacity: 1; clip-path: circle(150% at 92% 6%); } }
.theme-transitioning body { opacity: 0.86; }

@media (max-width: 1180px) {
  .brand { min-width: auto; }
  .brand-tagline { display: none; }
  .nav-link, .site-nav .nav-signout button { padding-inline: 0.48rem; }
  .profile-chip__label, .effects-toggle [data-effects-label] { display: none; }
}

@media (max-width: 1180px) {
  html { scroll-padding-top: 5.5rem; }
  .shell { width: min(calc(100% - 2rem), var(--content)); }
  .site-header, :root[data-appearance="signal-atelier"] .site-header { padding: 0.45rem 0 0; background: transparent; }
  .header-inner, :root[data-appearance="signal-atelier"] .header-inner { min-height: 64px; flex-wrap: wrap; padding: 0.45rem 0.55rem; border: 1px solid var(--line); border-radius: max(4px, calc(var(--radius-panel) / 2)); background: var(--surface); }
  :root[data-appearance="signal-atelier"] .header-inner { border-color: oklch(0.42 0.01 245); background: oklch(0.135 0.007 245); }
  .js .nav-toggle { display: inline-flex; margin-left: auto; }
  .site-nav { order: 4; width: 100%; flex-basis: 100%; display: grid; grid-template-columns: 1fr; gap: 0.55rem; max-height: calc(100dvh - 6rem); overflow-y: auto; padding-top: 0.55rem; border-top: 1px solid var(--line); }
  .task-links, .identity-cluster { width: 100%; flex-wrap: wrap; }
  .task-links { padding: 0; background: transparent; }
  .task-links .nav-link { flex: 1 1 8rem; }
  .identity-cluster { margin-left: 0; }
  .profile-chip__label, .effects-toggle [data-effects-label] { display: inline; }
  .appearance-picker { margin-left: auto; }
  .appearance-picker[open] { width: 100%; }
  .appearance-picker__panel { position: static; width: 100%; margin-top: 0.45rem; }
  .js .nav-toggle + .site-nav[hidden] { display: none; }
  .hero, :root[data-appearance="signal-atelier"] .landing-hero { min-height: auto; grid-template-columns: 1fr; gap: 2rem; padding-block: 3rem; }
  .security-plate.perimeter-console { width: 100%; min-height: 520px; }
  .security-perimeter--asymmetric { grid-template-columns: 1fr; }
  .feature-card { grid-column: span 6; border-bottom: 1px solid var(--line); }
  .dashboard-hero { grid-template-columns: 1fr; gap: 1.5rem; }
  .dashboard-hero__rail { min-width: 0; padding: 1rem 0 0; border-left: 0; border-top: 1px solid var(--line); }
  .metric-grid > div, .metric-grid--compact > div { grid-column: span 6; border-right: 1px solid var(--line); }
}

@media (max-width: 800px) {
  h1, .landing-hero h1, .dashboard-hero h1, .page-header h1 { font-size: 2.65rem; }
  .auth-layout, .dashboard-grid, .settings-grid, .result-layout, .form-grid, .section-intro, .landing-cta { grid-template-columns: 1fr; }
  .registration-grid--identity, .registration-grid--password { grid-template-columns: 1fr; }
  .profile-header + .settings-grid > :last-child { grid-column: auto; }
  .page-header { min-height: auto; align-items: start; flex-direction: column; justify-content: flex-end; }
  .footer-inner { flex-direction: column; }
  .security-telemetry, :root[data-appearance="signal-atelier"] .security-telemetry { grid-template-columns: 1fr; }
  .security-telemetry__intro, :root[data-appearance="signal-atelier"] .security-telemetry__intro { min-height: 0; padding: 2rem 0; }
  :root[data-appearance="signal-atelier"] .security-telemetry__intro { padding: 0; }
  .security-telemetry__instrument { padding-left: 3rem; border-top: 1px solid var(--line); border-left: 0; }
  :root[data-appearance="signal-atelier"] .security-telemetry__instrument { border-top: 0; }
}

@media (max-width: 640px) {
  .hero-capabilities { align-items: stretch; flex-direction: column; border: 0; }
  .hero-capabilities li { width: 100%; border: 1px solid var(--line); border-bottom: 0; }
  .hero-capabilities li:last-child { border-bottom: 1px solid var(--line); }
  .security-telemetry { min-height: 0; }
  .security-telemetry__instrument { padding-inline: 1rem; }
  .security-telemetry__list > div, :root[data-appearance="signal-atelier"] .security-telemetry__list > div { min-height: 92px; grid-template-columns: 1fr; gap: 0.25rem; padding-block: 0.75rem; }
  .security-telemetry__list dt, :root[data-appearance="signal-atelier"] .security-telemetry__list dt { grid-template-columns: 2.3rem minmax(0, 1fr); }
  .security-telemetry__list > div::after { display: none; }
  .security-telemetry__list dd { align-items: flex-start; flex-direction: column; gap: 0.15rem; margin-left: 2.8rem; }
  :root[data-appearance="signal-atelier"] .security-telemetry { padding: 1.2rem; border-radius: 20px; }
  :root[data-appearance="signal-atelier"] .security-telemetry__intro h2 { font-size: 2.7rem; }
  .security-plate__content { grid-template-columns: 1fr; }
  .security-plate__content .spec-list { grid-column: 1; grid-row: auto; margin-top: 0.8rem; }
  .feature-card { grid-column: 1 / -1; border-left: 1px solid var(--line); }
  .metric-grid > div, .metric-grid--compact > div { grid-column: span 12; }
  .appearance-picker { width: 100%; margin-left: 0; }
  .appearance-picker__summary { width: 100%; justify-content: space-between; }
  .identity-cluster > * { flex: 1 1 auto; }
  .profile-chip { justify-content: center; }
  .material-sheet { width: 93%; }
  .optic-core { width: 7rem; height: 7rem; }
}

@media (max-width: 420px) {
  .shell { width: min(calc(100% - 0.8rem), var(--content)); }
  h1, .landing-hero h1, .dashboard-hero h1, .page-header h1 { font-size: 2.3rem; }
  .panel, .page-header { padding: 1.1rem; }
  .perimeter-console__visual { min-height: 320px; }
  .security-plate.perimeter-console { min-height: 440px; }
  .row-actions { min-width: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .motion-observer .motion-reveal { opacity: 1; transform: none; }
  ::view-transition-old(root), ::view-transition-new(root) { animation: none; }
}

@media (prefers-contrast: more) {
  :root { --line: oklch(0.7 0.02 220); --line-strong: oklch(0.85 0.015 220); }
  :root[data-appearance="signal-atelier"] { --line: oklch(0.3 0.01 245); --line-strong: oklch(0.14 0.008 245); }
  .cyber-backdrop { opacity: 0.2; }
}

@media (forced-colors: active) {
  .cyber-backdrop, .cipher-canvas, .material-sheet, .optic-core, .feature-card__trace, .landing-cta__grid, .security-telemetry__scan, .security-telemetry::before, .security-telemetry__ordinal { display: none !important; }
  .panel, .page-header, .security-plate, .cyber-panel, .security-telemetry, .security-telemetry__instrument, .metric-grid > div, .button, input, select, textarea, .status, .header-inner, .subnav, .flash, .profile-chip, .appearance-choice, .effects-toggle { border: 1px solid CanvasText; background: Canvas; color: CanvasText; box-shadow: none; }
  .button--primary { border: 2px solid ButtonText; background: ButtonFace; color: ButtonText; }
  :focus-visible { outline: 3px solid Highlight; box-shadow: none !important; }
  .appearance-picker__panel { position: static; }
}