/* PulseGrid design system: shared tokens and base */

/* Structural tokens — must exist in every theme (fonts, radii, etc.) */
html {
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: ui-monospace, 'SF Mono', 'Cascadia Code', monospace;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --zone-green: #059669;
  --zone-orange: #d97706;
  --zone-grey: #64748b;
  /* Legacy aliases used in app styles */
  --obsidian: var(--bg);
  --obsidian-2: var(--bg-elevated);
  --obsidian-3: var(--bg-subtle);
  --glass: var(--surface);
  --glass-border: var(--border);
  --glass-highlight: var(--border-strong);
  --text-dim: var(--text-secondary);
  --zone-blue: var(--accent);
  --zone-red: var(--danger);
  --brand-accent: var(--accent);
  --font-display: var(--font);
  --font-condensed: var(--font-mono);
}

html[data-pg-theme='dark'],
html:not([data-pg-theme]) {
  color-scheme: dark;
  --bg: #0c0e14;
  --bg-elevated: #141820;
  --bg-subtle: #1a1f2b;
  --surface: #161b26;
  --surface-hover: #1c2230;
  --border: #4a5670;
  --border-strong: #5c6a84;
  --text: #eef0f4;
  --text-secondary: #b4bdd0;
  --text-muted: #8b95a8;
  --link: #60a5fa;
  --link-hover: #93c5fd;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-muted: rgba(37, 99, 235, 0.22);
  --accent-surface: color-mix(in srgb, var(--accent) 24%, var(--surface));
  --success: #047857;
  --success-hover: #065f46;
  --success-muted: rgba(4, 120, 87, 0.18);
  --warning: #d97706;
  --danger: #dc2626;
  --danger-muted: rgba(220, 38, 38, 0.12);
  --form-invalid-text: #e8b86d;
  --form-invalid-border: rgba(232, 184, 109, 0.52);
  --form-invalid-bg: rgba(217, 119, 6, 0.09);
  --form-invalid-ring: 0 0 0 3px rgba(217, 119, 6, 0.22);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.4);
  --focus-ring: 0 0 0 3px rgba(37, 99, 235, 0.35);
  --glow-accent: rgba(37, 99, 235, 0.12);
  --glow-success: rgba(4, 120, 87, 0.12);
  --chip-bg: color-mix(in srgb, var(--accent) 22%, var(--surface));
  --chip-border: color-mix(in srgb, var(--accent) 55%, var(--border-strong));
  --icon-on-surface: var(--link);
  --icon-inline: var(--link);
  --scrim: color-mix(in srgb, var(--bg) 90%, transparent);
}

html[data-pg-theme='light'] {
  color-scheme: light;
  --bg: #f4f6fa;
  --bg-elevated: #ffffff;
  --bg-subtle: #e8ecf4;
  --surface: #ffffff;
  --surface-hover: #f0f3f9;
  --border: #b8c2d0;
  --border-strong: #6b7a90;
  --text: #111827;
  --text-secondary: #374151;
  --text-muted: #5b6577;
  --link: #1d4ed8;
  --link-hover: #1e40af;
  --accent: #1d4ed8;
  --accent-hover: #1e40af;
  --accent-muted: rgba(29, 78, 216, 0.12);
  --accent-surface: color-mix(in srgb, var(--accent) 10%, var(--surface));
  --success: #047857;
  --success-hover: #065f46;
  --success-muted: rgba(4, 120, 87, 0.1);
  --warning: #b45309;
  --danger: #b91c1c;
  --danger-muted: rgba(185, 28, 28, 0.08);
  --form-invalid-text: #92400e;
  --form-invalid-border: rgba(146, 64, 14, 0.38);
  --form-invalid-bg: rgba(217, 119, 6, 0.06);
  --form-invalid-ring: 0 0 0 3px rgba(217, 119, 6, 0.18);
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.1);
  --focus-ring: 0 0 0 3px rgba(29, 78, 216, 0.25);
  --glow-accent: rgba(29, 78, 216, 0.08);
  --glow-success: rgba(4, 120, 87, 0.08);
  --chip-bg: color-mix(in srgb, var(--accent) 8%, var(--surface));
  --chip-border: color-mix(in srgb, var(--accent) 35%, var(--border-strong));
  --icon-on-surface: var(--link);
  --icon-inline: var(--link);
  --scrim: color-mix(in srgb, var(--bg) 88%, transparent);
}

html[data-pg-theme='light'] body,
html[data-pg-theme='light'] .landing-page {
  background: var(--bg);
  color: var(--text);
}

html[data-pg-theme='light'] .glass-card,
html[data-pg-theme='light'] .glass-panel {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
}

html[data-pg-theme='light'] .connect-flow {
  background: color-mix(in srgb, var(--bg) 88%, transparent);
}

html[data-pg-theme='light'] .landing-nav {
  background: color-mix(in srgb, var(--bg-elevated) 94%, transparent);
}

html[data-pg-theme='light'] .modal-overlay {
  background: color-mix(in srgb, var(--bg) 50%, rgba(15, 23, 42, 0.4));
}

html[data-pg-theme='light'] .modal-content {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
}

html[data-pg-theme='light'] .demo-promo-bar {
  background: linear-gradient(180deg, transparent 0%, color-mix(in srgb, var(--bg) 95%, transparent) 30%, var(--bg) 100%);
  border-top-color: var(--border);
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font);
  color: var(--text);
  line-height: 1.5;
}

a {
  color: var(--link);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--link) 40%, transparent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color 0.15s ease, text-decoration-color 0.15s ease;
}

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

::selection {
  background: rgba(37, 99, 235, 0.35);
  color: var(--text);
}

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

/* Form validation — warm amber, softer than danger red */
.enquiry-input[aria-invalid='true'],
.enquiry-input.is-field-invalid,
.pitch-gate-input[aria-invalid='true'],
input[aria-invalid='true'].enquiry-input,
textarea[aria-invalid='true'].enquiry-input,
select[aria-invalid='true'].enquiry-input {
  border-color: var(--form-invalid-border);
  background-color: var(--form-invalid-bg);
}

.enquiry-input[aria-invalid='true']:focus,
.pitch-gate-input[aria-invalid='true']:focus {
  border-color: var(--form-invalid-border);
  box-shadow: var(--form-invalid-ring);
}

.enquiry-input:invalid:not(:placeholder-shown):not(:focus) {
  border-color: var(--form-invalid-border);
  background-color: var(--form-invalid-bg);
}

.field-error,
.enquiry-status.error,
.promo-error,
.pitch-gate-error,
.join-lookup-error,
.ent-status.error {
  color: var(--form-invalid-text);
}

.pg-head-link {
  color: inherit;
  text-decoration: none;
}

.pg-head-link:hover {
  color: var(--text);
}

/* Typography scale (use instead of inline font-size) */
.pg-text-lead {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin: 0;
}

.pg-text-body {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

.pg-text-caption {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.45;
  margin: 0;
}

.pg-text-small {
  font-size: 0.75rem;
  color: var(--text-dim);
  line-height: 1.4;
  margin: 0;
}

/* Checkmark lists (matches homepage pricing features) */
.pg-check-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.pg-check-list li {
  position: relative;
  padding-left: 1.35rem;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.pg-check-list li:last-child {
  margin-bottom: 0;
}

.pg-check-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0.2em;
  color: var(--success);
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1;
}

/* Bullet lists (FAQ, tracker cards, prose) */
.pg-bullet-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.pg-bullet-list li {
  position: relative;
  padding-left: 1.15rem;
  margin-bottom: 0.45rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.pg-bullet-list li:last-child {
  margin-bottom: 0;
}

.pg-bullet-list li::before {
  content: '';
  position: absolute;
  left: 0.2rem;
  top: 0.58em;
  width: 0.3125rem;
  height: 0.3125rem;
  border-radius: 50%;
  background: var(--text-muted);
}

/* Tappable shortcut chips (trainer console, join, profile) */
.pg-action-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
}

.pg-action-chips--header {
  margin-top: 0.65rem;
}

.pg-action-chips--start,
.pg-action-chips--left {
  justify-content: flex-start;
}

a.pg-action-chip,
button.pg-action-chip,
.pg-action-chip,
a.join-guide-chip,
button.join-guide-chip,
.join-guide-chip,
a[class*='landing-chip'],
a[class*='landing-nav'],
a[class*='landing-logo'],
a.pg-head-link,
a[class*='pg-logo'],
a[class*='hero-btn'],
a[class*='hero-chip'],
a[class*='pricing-cta'],
a[class*='pricing-card-link'],
a.feature-back-link,
a[class*='enquiry-submit'],
a[class*='secondary-cta'],
a[class*='store-link'] {
  text-decoration: none;
}

a.pg-action-chip,
button.pg-action-chip,
.pg-action-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  min-height: 2.85rem;
  padding: 0.6rem 1.1rem;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.2;
  color: var(--text);
  background: var(--chip-bg);
  border: 1.5px solid var(--chip-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

.pg-action-chip--prominent {
  min-height: 3rem;
  padding: 0.7rem 1.35rem;
  font-size: 1rem;
  border-color: var(--accent);
  background: var(--accent-surface);
  box-shadow: var(--shadow-md);
}

.pg-action-chip:hover,
.pg-action-chip:focus-visible {
  color: var(--text);
  background: var(--accent-muted);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.pg-action-chip-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.125rem;
  height: 1.125rem;
  color: var(--icon-inline, var(--link));
  flex-shrink: 0;
  line-height: 0;
}

.pg-action-chip-icon svg {
  width: 1.125rem;
  height: 1.125rem;
}

.pg-action-chip-label {
  white-space: nowrap;
}

.pg-link-strip {
  margin-top: 0.85rem;
}

.pg-action-bar {
  margin: 1.25rem 0 1.5rem;
  padding: 0 0.25rem;
}

.pg-action-bar--sticky {
  position: sticky;
  bottom: 0.75rem;
  z-index: 20;
  margin-bottom: 0.5rem;
  padding: 0.65rem 0.5rem;
  background: linear-gradient(180deg, transparent 0%, var(--bg) 35%);
}

/* Inline prose links — subtle underline, inherits surrounding text size */
.pg-inline-link,
a.pg-inline-link,
:is(
  .landing-main,
  .glass-panel,
  .glass-card,
  .join-desktop-warning,
  .member-help-faq-item,
  .signup-crosslink,
  .signup-aside-tier-note,
  .business-compare-note,
  .business-feature-card,
  .enterprise-modal-sales,
  .field-hint,
  .info-body,
  .onboard-steps-list,
  .member-guide-steps,
  .join-setup-hint,
  .trainer-share-lead,
  .signup-main,
  .modal-content
) a:not(
  [class*='hero-btn'],
  [class*='hero-chip'],
  [class*='pricing-cta'],
  [class*='pricing-card-link'],
  .feature-back-link,
  [class*='landing-chip'],
  [class*='landing-nav'],
  [class*='landing-logo'],
  [class*='pg-action-chip'],
  [class*='join-guide-chip'],
  [class*='pg-btn'],
  [class*='enquiry-submit'],
  [class*='enterprise-modal-btn'],
  [class*='enterprise-teaser-cta'],
  [class*='pg-logo'],
  [class*='secondary-cta'],
  [class*='store-link'],
  .pg-text-link,
  .pg-site-credit-link,
  .pg-head-link
) {
  display: inline;
  min-height: 0;
  padding: 0;
  margin: 0;
  font-size: inherit;
  font-weight: 500;
  line-height: inherit;
  color: var(--link);
  background: none;
  border: none;
  border-radius: 0;
  box-shadow: none;
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--link) 42%, transparent);
  text-underline-offset: 0.2em;
  text-decoration-thickness: 1px;
  vertical-align: baseline;
  transform: none;
  -webkit-tap-highlight-color: transparent;
}

.pg-inline-link:hover,
.pg-inline-link:focus-visible,
a.pg-inline-link:hover,
a.pg-inline-link:focus-visible,
:is(
  .landing-main,
  .glass-panel,
  .glass-card,
  .join-desktop-warning,
  .member-help-faq-item,
  .signup-crosslink,
  .signup-aside-tier-note,
  .business-compare-note,
  .business-feature-card,
  .enterprise-modal-sales,
  .field-hint,
  .info-body,
  .onboard-steps-list,
  .member-guide-steps,
  .join-setup-hint,
  .trainer-share-lead,
  .signup-main,
  .modal-content
) a:not(
  [class*='hero-btn'],
  [class*='hero-chip'],
  [class*='pricing-cta'],
  [class*='pricing-card-link'],
  .feature-back-link,
  [class*='landing-chip'],
  [class*='landing-nav'],
  [class*='landing-logo'],
  [class*='pg-action-chip'],
  [class*='join-guide-chip'],
  [class*='pg-btn'],
  [class*='enquiry-submit'],
  [class*='enterprise-modal-btn'],
  [class*='enterprise-teaser-cta'],
  [class*='pg-logo'],
  [class*='secondary-cta'],
  [class*='store-link'],
  .pg-text-link,
  .pg-site-credit-link,
  .pg-head-link
):hover,
:is(
  .landing-main,
  .glass-panel,
  .glass-card,
  .join-desktop-warning,
  .member-help-faq-item,
  .signup-crosslink,
  .signup-aside-tier-note,
  .business-compare-note,
  .business-feature-card,
  .enterprise-modal-sales,
  .field-hint,
  .info-body,
  .onboard-steps-list,
  .member-guide-steps,
  .join-setup-hint,
  .trainer-share-lead,
  .signup-main,
  .modal-content
) a:not(
  [class*='hero-btn'],
  [class*='hero-chip'],
  [class*='pricing-cta'],
  [class*='pricing-card-link'],
  .feature-back-link,
  [class*='landing-chip'],
  [class*='landing-nav'],
  [class*='landing-logo'],
  [class*='pg-action-chip'],
  [class*='join-guide-chip'],
  [class*='pg-btn'],
  [class*='enquiry-submit'],
  [class*='enterprise-modal-btn'],
  [class*='enterprise-teaser-cta'],
  [class*='pg-logo'],
  [class*='secondary-cta'],
  [class*='store-link'],
  .pg-text-link,
  .pg-site-credit-link,
  .pg-head-link
):focus-visible {
  color: var(--link-hover);
  background: none;
  border: none;
  text-decoration-color: var(--link-hover);
  transform: none;
}

/* Optional tappable chip link inside prose (add class="pg-text-link" explicitly) */
a.pg-text-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.4rem;
  padding: 0.45rem 0.95rem;
  margin: 0.12rem 0.2rem 0.12rem 0;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.25;
  text-decoration: none;
  color: var(--text);
  background: var(--chip-bg);
  border: 1.5px solid var(--chip-border);
  border-radius: var(--radius-lg);
  vertical-align: middle;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

a.pg-text-link:hover,
a.pg-text-link:focus-visible {
  color: var(--text);
  background: var(--accent-muted);
  border-color: var(--accent);
  transform: translateY(-1px);
}

.pg-tappable-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-top: 0.75rem;
}

.pg-tappable-links--start {
  justify-content: flex-start;
}

/* Footer bar — theme toggle + credits on one row */
.pg-site-footer-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.45rem 0.65rem;
  margin: 1.25rem 0 0.5rem;
  padding: 0 1rem calc(0.5rem + env(safe-area-inset-bottom, 0px));
}

.landing-footer .pg-site-footer-bar {
  margin-top: 0.35rem;
  margin-bottom: 0;
  padding-bottom: 0;
}

.pg-site-footer-bar .pg-site-credits {
  margin: 0;
  padding: 0;
  text-align: center;
}

.pg-site-footer-bar--board {
  position: fixed;
  bottom: max(0.5rem, env(safe-area-inset-bottom, 0px));
  left: 0;
  right: 0;
  z-index: 5;
  margin: 0;
  padding: 0 1rem;
  pointer-events: none;
}

.pg-site-footer-bar--board .pg-theme-toggle,
.pg-site-footer-bar--board .pg-site-credits {
  pointer-events: auto;
}

/* Site-wide footer credit — one size everywhere */
.pg-site-credits {
  text-align: center;
  margin: 1.25rem 0 0.5rem;
  padding: 0 1rem calc(0.5rem + env(safe-area-inset-bottom, 0px));
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--text-muted);
}

.landing-footer .pg-site-credits {
  margin-top: 0.35rem;
  margin-bottom: 0;
}

.pg-site-credits a,
.pg-site-credit-link,
.landing-footer-credit-link {
  display: inline;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
  color: inherit;
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  border-radius: 0;
  box-shadow: none;
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, currentColor 50%, transparent);
  text-underline-offset: 0.2em;
  text-decoration-thickness: 1px;
  transform: none;
}

.pg-site-credits a:hover,
.pg-site-credits a:focus-visible,
.pg-site-credit-link:hover,
.pg-site-credit-link:focus-visible,
.landing-footer-credit-link:hover,
.landing-footer-credit-link:focus-visible {
  color: var(--link);
  background: none;
  text-decoration-color: var(--link);
}

.board-powered-by.pg-site-credits {
  position: fixed;
  bottom: max(0.5rem, env(safe-area-inset-bottom, 0px));
  right: max(0.75rem, env(safe-area-inset-right, 0px));
  margin: 0;
  padding: 0;
  z-index: 5;
}

.pg-site-footer-bar .board-powered-by.pg-site-credits {
  position: static;
}

/* Light / dark mode — in footer bar */
.pg-theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  min-width: 2rem;
  min-height: 2rem;
  padding: 0;
  margin: 0;
  border: 1px solid var(--chip-border);
  border-radius: var(--radius-sm);
  background: var(--chip-bg);
  color: var(--icon-inline, var(--link));
  font-family: var(--font);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  -webkit-tap-highlight-color: transparent;
  flex-shrink: 0;
}

.pg-theme-toggle--footer {
  position: static;
}

.pg-theme-toggle:hover,
.pg-theme-toggle:focus-visible {
  background: var(--accent-muted);
  border-color: var(--accent);
  color: var(--link);
  outline: none;
  box-shadow: var(--focus-ring);
}

.pg-theme-toggle-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.0625rem;
  height: 1.0625rem;
  line-height: 0;
  pointer-events: none;
}

.pg-theme-toggle-icon svg {
  width: 1.0625rem;
  height: 1.0625rem;
  display: block;
}