/* =============================================================================
   HALO Ai — SHARED COMPONENTS
   For use across: tools-hub, halo-effect-tool, verified-trust-tool
   Depends on: halo-design-tokens.css (load first)
   ============================================================================= */


/* =============================================================================
   NAV
   Dark navy, slim, carries wordmark + tool ID badge.
   Identical across all .dev sites.
============================================================================= */

.halo-nav {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  background-color: var(--bg-nav);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  height: 56px;
  display: flex;
  align-items: center;
}

.halo-nav__inner {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Breadcrumb navigation: Halo Ai > Tools Hub > Tool Name */
.halo-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.halo-breadcrumb__item {
  display: flex;
  align-items: center;
}

.halo-breadcrumb__link {
  color: var(--text-on-dark-muted);
  text-decoration: none;
  transition: color var(--transition-base);
}

.halo-breadcrumb__link:hover {
  color: var(--color-teal-300);
}

.halo-breadcrumb__sep {
  color: var(--color-teal-500);
  margin: 0 var(--space-2);
  font-size: var(--text-xs);
  user-select: none;
}

.halo-breadcrumb__current {
  color: var(--text-on-dark);
}

.halo-nav__right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.halo-nav__home-link {
  display: none;
}

.halo-nav__cta {
  /* Inherits .btn--primary styles below */
  font-size: var(--text-xs) !important;
  padding: var(--space-2) var(--space-4) !important;
}


/* =============================================================================
   TOOL ACCENT BAR
   A 3px teal top-border that signals "active tool."
   Place immediately below .halo-nav.
============================================================================= */

.halo-tool-bar {
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--color-teal-500) 0%,
    var(--color-teal-300) 60%,
    transparent 100%
  );
}


/* =============================================================================
   TOOL HEADER / HERO
   Compact page-level header. Light background, not the dark .ai hero.
============================================================================= */

.halo-tool-header {
  background-color: var(--bg-surface);
  border-bottom: var(--border-width) solid var(--border-default);
  padding: var(--space-12) 0 var(--space-10);
}

.halo-tool-header__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.halo-tool-header__eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

/* Tool ID badge e.g. "T01" */
.halo-badge-id {
  display: inline-flex;
  align-items: center;
  background-color: var(--color-navy-900);
  color: var(--color-teal-300);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-widest);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
}

.halo-tool-header__title {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-4);
}

.halo-tool-header__subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 600px;
}


/* =============================================================================
   PILL BADGES
   "Autonomous / Connected / Intelligent" — signature brand element.
   Must be visually identical across all properties.
============================================================================= */

.halo-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

.halo-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  background-color: var(--color-teal-50);
  color: var(--color-navy-800);
  border: var(--border-width) solid var(--color-teal-300);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-wide);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  white-space: nowrap;
}

/* Dot indicator inside pill */
.halo-pill::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--color-teal-500);
  flex-shrink: 0;
}

/* Variant: dark (for use on navy backgrounds) */
.halo-pill--dark {
  background-color: rgba(0,194,203,0.12);
  color: var(--color-teal-300);
  border-color: rgba(0,194,203,0.30);
}

.halo-pill--dark::before {
  background-color: var(--color-teal-400);
}

/* Variant: status */
.halo-pill--demo {
  background-color: var(--color-gray-100);
  color: var(--text-secondary);
  border-color: var(--border-default);
}

.halo-pill--demo::before {
  background-color: var(--color-gray-400);
}


/* =============================================================================
   LAYOUT CONTAINERS
============================================================================= */

.halo-container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.halo-section {
  padding: var(--section-padding-y) 0;
}

.halo-section--sm {
  padding: var(--space-12) 0;
}

.halo-section--lg {
  padding: var(--space-32) 0;
}


/* =============================================================================
   CARD
============================================================================= */

.halo-card {
  background-color: var(--bg-surface);
  border: var(--border-width) solid var(--border-default);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  padding: var(--space-8);
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

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

/* Card with teal left accent bar */
.halo-card--accented {
  border-left: 3px solid var(--accent-primary);
}

/* Card on dark surface */
.halo-card--dark {
  background-color: var(--color-navy-800);
  border-color: rgba(255,255,255,0.06);
  color: var(--text-on-dark);
}

.halo-card__label {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-widest);
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.halo-card__title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  line-height: var(--leading-snug);
  margin-bottom: var(--space-3);
}

.halo-card__body {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}


/* =============================================================================
   BUTTONS
============================================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-wide);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  border: var(--border-width-2) solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

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

/* Primary — teal fill */
.btn--primary {
  background-color: var(--accent-primary);
  color: var(--color-navy-950);
  border-color: var(--accent-primary);
}

.btn--primary:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
  box-shadow: var(--shadow-teal);
  color: var(--color-navy-950);
}

/* Secondary — navy outline */
.btn--secondary {
  background-color: transparent;
  color: var(--color-navy-900);
  border-color: var(--color-navy-900);
}

.btn--secondary:hover {
  background-color: var(--color-navy-900);
  color: var(--color-white);
}

/* Ghost — light outline, for use on dark backgrounds */
.btn--ghost {
  background-color: transparent;
  color: var(--text-on-dark);
  border-color: rgba(255,255,255,0.25);
}

.btn--ghost:hover {
  background-color: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.45);
  color: var(--text-on-dark);
}

/* Size variants */
.btn--sm {
  font-size: var(--text-xs);
  padding: var(--space-2) var(--space-4);
}

.btn--lg {
  font-size: var(--text-base);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-lg);
}

/* Loading state */
.btn[aria-busy="true"] {
  opacity: 0.7;
  cursor: wait;
  pointer-events: none;
}


/* =============================================================================
   FORM ELEMENTS
============================================================================= */

.halo-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.halo-input,
.halo-select,
.halo-textarea {
  display: block;
  width: 100%;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--text-primary);
  background-color: var(--bg-surface);
  border: var(--border-width) solid var(--border-default);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  outline: none;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base);
  appearance: none;
}

.halo-input::placeholder,
.halo-textarea::placeholder {
  color: var(--text-muted);
}

.halo-input:hover,
.halo-select:hover,
.halo-textarea:hover {
  border-color: var(--border-strong);
}

.halo-input:focus,
.halo-select:focus,
.halo-textarea:focus {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-teal);
}

.halo-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.halo-field-hint {
  font-size: var(--text-xs);
  color: var(--text-muted);
}


/* =============================================================================
   METRIC / STAT DISPLAY
   For ROI figures, KPIs, result numbers.
============================================================================= */

.halo-metric {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.halo-metric__value {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  letter-spacing: var(--tracking-tight);
  line-height: 1;
}

.halo-metric__value--accent {
  color: var(--accent-primary);
}

.halo-metric__label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  font-weight: var(--font-medium);
}

.halo-metric__sub {
  font-size: var(--text-xs);
  color: var(--text-muted);
}


/* =============================================================================
   NOTICE / DISCLAIMER BANNER
   The "Public demo tool" disclaimer shown at the top of all tool pages.
============================================================================= */

.halo-notice {
  background-color: var(--color-gray-100);
  border-bottom: var(--border-width) solid var(--border-default);
  padding: var(--space-2) var(--container-padding);
  text-align: center;
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.halo-notice strong {
  color: var(--text-secondary);
  font-weight: var(--font-semibold);
}

/* Variant: warning */
.halo-notice--warning {
  background-color: #FFFBEB;
  border-color: #FDE68A;
  color: #92400E;
}


/* =============================================================================
   SECTION HEADING PATTERN
   Consistent visual rhythm for content sections.
============================================================================= */

.halo-section-heading {
  max-width: 640px;
  margin-bottom: var(--space-12);
}

.halo-section-heading__eyebrow {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: var(--space-3);
}

.halo-section-heading__title {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-4);
}

.halo-section-heading__body {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}


/* =============================================================================
   DIVIDER
============================================================================= */

.halo-divider {
  border: none;
  border-top: var(--border-width) solid var(--border-default);
  margin: var(--space-12) 0;
}

.halo-divider--subtle {
  border-color: var(--color-gray-100);
}


/* =============================================================================
   FOOTER
   Dark navy. Identical across all .dev sites.
============================================================================= */

.halo-footer {
  background-color: var(--bg-footer);
  border-top: var(--border-width) solid rgba(255,255,255,0.06);
  padding: var(--space-8) 0;
}

.halo-footer__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.halo-footer__brand {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-on-dark);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.halo-footer__links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
}

.halo-footer__links a {
  font-size: var(--text-sm);
  color: var(--text-on-dark-muted);
  text-decoration: none;
  transition: color var(--transition-base);
}

.halo-footer__links a:hover {
  color: var(--text-on-dark);
}

.halo-footer__meta {
  font-size: var(--text-xs);
  color: var(--text-on-dark-muted);
}

.halo-footer__disclaimer {
  width: 100%;
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.30);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: var(--space-4);
  margin-top: var(--space-2);
  line-height: var(--leading-relaxed);
}


/* =============================================================================
   GRID UTILITIES
============================================================================= */

.halo-grid {
  display: grid;
  gap: var(--space-6);
}

.halo-grid--2 { grid-template-columns: repeat(2, 1fr); }
.halo-grid--3 { grid-template-columns: repeat(3, 1fr); }
.halo-grid--4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .halo-grid--4 { grid-template-columns: repeat(2, 1fr); }
  .halo-grid--3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .halo-grid--4,
  .halo-grid--3,
  .halo-grid--2 { grid-template-columns: 1fr; }
}


/* =============================================================================
   OUTPUT / RESULT PANEL
   For generated content (AI output, executive summaries, etc.)
============================================================================= */

.halo-output {
  background-color: var(--color-navy-950);
  border-radius: var(--radius-xl);
  border: var(--border-width) solid var(--color-navy-800);
  overflow: hidden;
}

.halo-output__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-navy-800);
  background-color: var(--color-navy-900);
}

.halo-output__title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-on-dark);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.halo-output__actions {
  display: flex;
  gap: var(--space-2);
}

.halo-output__body {
  padding: var(--space-6) var(--space-8);
  color: var(--text-on-dark);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
}

.halo-output__body p + p {
  margin-top: var(--space-4);
}


/* =============================================================================
   RESPONSIVE NAV ADJUSTMENTS
============================================================================= */

@media (max-width: 640px) {
  .halo-nav__home-link { display: none; }
  .halo-tool-header__title { font-size: var(--text-3xl); }
  .halo-footer__inner { flex-direction: column; align-items: flex-start; }
}