/* CompHelp Autonomous Network design system — scoped foundation v20260809-ds1 */

:root {
  --ch-color-canvas: #050816;
  --ch-color-surface: #07101f;
  --ch-color-panel: #0b1224;
  --ch-color-elevated: #111a2e;
  --ch-color-text: #f7f8fc;
  --ch-color-text-secondary: #aab7cc;
  --ch-color-text-muted: #7f8ca3;
  --ch-color-accent: #6347e8;
  --ch-color-accent-hover: #6f55e8;
  --ch-color-intelligence: #4c8dff;
  --ch-color-focus: #9a87ff;
  --ch-color-success: #32d583;
  --ch-color-warning: #f6c85f;
  --ch-color-danger: #ff6b7a;
  --ch-color-border: #26324a;
  --ch-color-border-subtle: rgba(170, 183, 204, 0.16);
  --ch-color-overlay: rgba(3, 6, 16, 0.82);

  --ch-font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --ch-font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --ch-text-display: clamp(3rem, 7vw, 4.5rem);
  --ch-text-h1: clamp(2.5rem, 5vw, 3.5rem);
  --ch-text-h2: clamp(2rem, 4vw, 2.5rem);
  --ch-text-h3: 1.375rem;
  --ch-text-body-lg: 1.125rem;
  --ch-text-body: 1rem;
  --ch-text-small: 0.875rem;
  --ch-text-label: 0.75rem;

  --ch-space-1: 0.25rem;
  --ch-space-2: 0.5rem;
  --ch-space-3: 0.75rem;
  --ch-space-4: 1rem;
  --ch-space-5: 1.25rem;
  --ch-space-6: 1.5rem;
  --ch-space-8: 2rem;
  --ch-space-10: 2.5rem;
  --ch-space-12: 3rem;
  --ch-space-16: 4rem;
  --ch-space-24: 6rem;

  --ch-radius-control: 0.625rem;
  --ch-radius-card: 1rem;
  --ch-radius-panel: 1.5rem;
  --ch-radius-pill: 999px;

  --ch-shadow-card: 0 18px 44px rgba(1, 4, 15, 0.28);
  --ch-shadow-elevated: 0 24px 70px rgba(1, 4, 15, 0.42), 0 0 0 1px rgba(99, 71, 232, 0.1);
  --ch-shadow-focus: 0 0 0 5px rgba(154, 135, 255, 0.18);

  --ch-motion-fast: 140ms;
  --ch-motion-standard: 220ms;
  --ch-motion-deliberate: 420ms;
  --ch-ease-standard: cubic-bezier(0.2, 0.75, 0.2, 1);
  --ch-ease-enter: cubic-bezier(0.16, 1, 0.3, 1);
}

.ch-theme-network {
  color-scheme: dark;
  min-width: 0;
  color: var(--ch-color-text);
  background: var(--ch-color-canvas);
  font-family: var(--ch-font-sans);
  font-feature-settings: "cv01", "ss03";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.ch-theme-network :focus-visible {
  outline: 3px solid var(--ch-color-focus);
  outline-offset: 3px;
  box-shadow: var(--ch-shadow-focus);
}

.ch-theme-network ::selection {
  color: var(--ch-color-text);
  background: rgba(99, 71, 232, 0.58);
}

.ch-container {
  width: min(100% - clamp(2rem, 6vw, 5rem), 75rem);
  margin-inline: auto;
}

.ch-container--wide {
  width: min(100% - clamp(2rem, 4vw, 4rem), 90rem);
  margin-inline: auto;
}

.ch-section {
  padding-block: clamp(var(--ch-space-16), 8vw, var(--ch-space-24));
}

.ch-stack {
  display: flex;
  flex-direction: column;
  gap: var(--ch-stack-gap, var(--ch-space-6));
}

.ch-cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--ch-cluster-gap, var(--ch-space-3));
}

.ch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, var(--ch-grid-min, 16rem)), 1fr));
  gap: var(--ch-grid-gap, var(--ch-space-6));
}

.ch-surface {
  color: var(--ch-color-text);
  background: var(--ch-color-surface);
  border: 1px solid var(--ch-color-border-subtle);
}

.ch-card {
  min-width: 0;
  padding: clamp(var(--ch-space-5), 3vw, var(--ch-space-8));
  color: var(--ch-color-text);
  background: var(--ch-color-panel);
  border: 1px solid var(--ch-color-border-subtle);
  border-radius: var(--ch-radius-card);
  box-shadow: var(--ch-shadow-card);
  transition: border-color var(--ch-motion-standard) var(--ch-ease-standard), background-color var(--ch-motion-standard) var(--ch-ease-standard), transform var(--ch-motion-standard) var(--ch-ease-standard);
}

.ch-card--interactive:hover {
  background: var(--ch-color-elevated);
  border-color: rgba(154, 135, 255, 0.38);
  transform: translateY(-2px);
}

.ch-card--elevated {
  background: var(--ch-color-elevated);
  box-shadow: var(--ch-shadow-elevated);
}

.ch-button {
  min-height: 3rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--ch-space-2);
  padding: 0.75rem 1rem;
  color: var(--ch-color-text);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--ch-radius-control);
  font: 650 0.9375rem/1 var(--ch-font-sans);
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--ch-motion-fast) var(--ch-ease-standard), border-color var(--ch-motion-fast) var(--ch-ease-standard), color var(--ch-motion-fast) var(--ch-ease-standard), transform var(--ch-motion-fast) var(--ch-ease-standard);
}

.ch-button:hover {
  transform: translateY(-1px);
}

.ch-button:active {
  transform: translateY(0) scale(0.985);
}

.ch-button:disabled,
.ch-button[aria-disabled="true"] {
  opacity: 0.52;
  cursor: not-allowed;
  transform: none;
}

.ch-button--primary {
  color: var(--ch-color-text);
  background: var(--ch-color-accent);
  border-color: rgba(247, 248, 252, 0.12);
  box-shadow: 0 12px 30px rgba(99, 71, 232, 0.24);
}

.ch-button--primary:hover {
  background: var(--ch-color-accent-hover);
}

.ch-button--secondary {
  background: var(--ch-color-elevated);
  border-color: var(--ch-color-border);
}

.ch-button--secondary:hover {
  border-color: rgba(154, 135, 255, 0.48);
}

.ch-button--ghost {
  color: var(--ch-color-text-secondary);
  background: rgba(247, 248, 252, 0.025);
  border-color: var(--ch-color-border-subtle);
}

.ch-field {
  display: grid;
  gap: var(--ch-space-2);
}

.ch-field__label {
  color: var(--ch-color-text-secondary);
  font-size: var(--ch-text-small);
  font-weight: 600;
}

.ch-field input,
.ch-field select,
.ch-field textarea,
.ch-input {
  width: 100%;
  min-height: 3rem;
  padding: 0.75rem 0.875rem;
  color: var(--ch-color-text);
  background: var(--ch-color-surface);
  border: 1px solid var(--ch-color-border);
  border-radius: var(--ch-radius-control);
  font: 400 var(--ch-text-body)/1.5 var(--ch-font-sans);
  transition: border-color var(--ch-motion-fast) var(--ch-ease-standard), background-color var(--ch-motion-fast) var(--ch-ease-standard), box-shadow var(--ch-motion-fast) var(--ch-ease-standard);
}

.ch-field textarea {
  min-height: 7.5rem;
  resize: vertical;
}

.ch-field input::placeholder,
.ch-field textarea::placeholder,
.ch-input::placeholder {
  color: var(--ch-color-text-muted);
  opacity: 1;
}

.ch-field input:focus,
.ch-field select:focus,
.ch-field textarea:focus,
.ch-input:focus {
  background: var(--ch-color-panel);
  border-color: var(--ch-color-focus);
}

.ch-field__help,
.ch-field__error {
  margin: 0;
  color: var(--ch-color-text-muted);
  font-size: var(--ch-text-small);
}

.ch-field__error {
  color: var(--ch-color-danger);
}

.ch-badge,
.ch-demo-label,
.ch-status {
  min-height: 1.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  width: fit-content;
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--ch-color-border-subtle);
  border-radius: var(--ch-radius-pill);
  font-size: var(--ch-text-label);
  font-weight: 650;
  line-height: 1.2;
  letter-spacing: 0.035em;
}

.ch-badge {
  color: var(--ch-color-text-secondary);
  background: rgba(247, 248, 252, 0.045);
}

.ch-demo-label {
  color: var(--ch-color-text-secondary);
  background: #202a42;
  border-color: #34415e;
  text-transform: uppercase;
}

.ch-status::before {
  width: 0.5rem;
  height: 0.5rem;
  flex: 0 0 auto;
  background: currentColor;
  border-radius: 50%;
  content: "";
}

.ch-status--active,
.ch-status--success {
  color: var(--ch-color-success);
  background: rgba(50, 213, 131, 0.09);
  border-color: rgba(50, 213, 131, 0.28);
}

.ch-status--waiting,
.ch-status--needs-review {
  color: var(--ch-color-warning);
  background: rgba(246, 200, 95, 0.09);
  border-color: rgba(246, 200, 95, 0.28);
}

.ch-status--error {
  color: var(--ch-color-danger);
  background: rgba(255, 107, 122, 0.09);
  border-color: rgba(255, 107, 122, 0.28);
}

.ch-status--idle,
.ch-status--planned,
.ch-status--not-connected {
  color: var(--ch-color-text-secondary);
  background: rgba(170, 183, 204, 0.06);
  border-color: rgba(170, 183, 204, 0.2);
}

.ch-status--intelligence {
  color: #84b3ff;
  background: rgba(76, 141, 255, 0.1);
  border-color: rgba(76, 141, 255, 0.3);
}

.ch-metric {
  display: grid;
  gap: var(--ch-space-2);
}

.ch-metric__value {
  color: var(--ch-color-text);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 650;
  line-height: 1;
  letter-spacing: -0.035em;
  font-variant-numeric: tabular-nums;
}

.ch-metric__label,
.ch-metric__meta {
  color: var(--ch-color-text-secondary);
  font-size: var(--ch-text-small);
}

.ch-progress {
  --ch-progress-value: 0%;
  position: relative;
  height: 0.5rem;
  overflow: hidden;
  background: rgba(170, 183, 204, 0.12);
  border-radius: var(--ch-radius-pill);
}

.ch-progress::after {
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--ch-progress-value);
  background: var(--ch-color-success);
  border-radius: inherit;
  content: "";
  transition: width var(--ch-motion-deliberate) var(--ch-ease-enter);
}

.ch-progress.is-processing::after {
  background: linear-gradient(90deg, var(--ch-color-intelligence), var(--ch-color-accent), var(--ch-color-intelligence));
  background-size: 200% 100%;
  animation: ch-processing 1.4s linear infinite;
}

.ch-skeleton {
  color: transparent;
  background: rgba(170, 183, 204, 0.08);
  border-radius: var(--ch-radius-control);
}

.ch-skeleton.is-loading {
  background: linear-gradient(90deg, rgba(170, 183, 204, 0.06), rgba(170, 183, 204, 0.16), rgba(170, 183, 204, 0.06));
  background-size: 220% 100%;
  animation: ch-skeleton-loading 1.35s ease-in-out infinite;
}

.ch-display {
  margin: 0;
  font-size: var(--ch-text-display);
  font-weight: 650;
  line-height: 1;
  letter-spacing: -0.055em;
  text-wrap: balance;
}

.ch-heading-1,
.ch-heading-2,
.ch-heading-3 {
  margin: 0;
  color: var(--ch-color-text);
  text-wrap: balance;
}

.ch-heading-1 {
  font-size: var(--ch-text-h1);
  font-weight: 650;
  line-height: 1.04;
  letter-spacing: -0.045em;
}

.ch-heading-2 {
  font-size: var(--ch-text-h2);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.ch-heading-3 {
  font-size: var(--ch-text-h3);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.018em;
}

.ch-body-lg,
.ch-body {
  margin: 0;
  color: var(--ch-color-text-secondary);
}

.ch-body-lg {
  max-width: 42rem;
  font-size: var(--ch-text-body-lg);
  line-height: 1.65;
  letter-spacing: -0.008em;
}

.ch-body {
  font-size: var(--ch-text-body);
  line-height: 1.55;
}

.ch-label {
  color: var(--ch-color-text-secondary);
  font-size: var(--ch-text-label);
  font-weight: 650;
  line-height: 1.4;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ch-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

@keyframes ch-skeleton-loading {
  from { background-position: 100% 0; }
  to { background-position: -120% 0; }
}

@keyframes ch-processing {
  from { background-position: 100% 0; }
  to { background-position: -100% 0; }
}

@media (max-width: 47.99rem) {
  .ch-container,
  .ch-container--wide {
    width: min(100% - 1.25rem, 75rem);
  }

  .ch-section {
    padding-block: var(--ch-space-16);
  }

  .ch-button--mobile-wide {
    width: 100%;
  }

  .ch-card {
    padding: var(--ch-space-5);
  }
}

@media (hover: none) {
  .ch-card--interactive:hover,
  .ch-button:hover {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ch-theme-network {
    scroll-behavior: auto;
  }

  .ch-theme-network *,
  .ch-theme-network *::before,
  .ch-theme-network *::after {
    scroll-behavior: auto;
    animation-duration: 0.01ms;
    animation-iteration-count: 1;
    transition-duration: 0.01ms;
  }

  .ch-theme-network .ch-skeleton.is-loading,
  .ch-theme-network .ch-progress.is-processing::after {
    animation: none;
  }

  .ch-card--interactive:hover,
  .ch-button:hover,
  .ch-button:active {
    transform: none;
  }
}