/* ViaTone Pulse — Mission Control (Phase H) */

.a4u-pulse-hero {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
  align-items: flex-start;
}

.a4u-pulse-hero__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.a4u-pulse-hero__mark {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
}

.a4u-pulse-hero__product {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--a4u-muted);
}

.a4u-pulse-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.12;
  margin: 0;
}

.a4u-pulse-hero__sub {
  color: var(--a4u-muted);
  font-size: 15px;
  margin: 10px 0 0;
  max-width: 36rem;
  line-height: 1.45;
}

.a4u-pulse-hero__meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 18px;
  margin: 18px 0 0;
}

.a4u-pulse-hero__meta dt {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--a4u-muted);
}

.a4u-pulse-hero__meta dd {
  margin: 2px 0 0;
  font-size: 13px;
  font-weight: 600;
}

.a4u-pulse-eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--a4u-muted);
  margin: 0 0 4px;
}

/* Quick actions */
.a4u-pulse-qa {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

.a4u-pulse-qa__menu {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
  max-width: 420px;
}

.a4u-pulse-qa__toggle {
  display: none;
}

.a4u-pulse-fab {
  display: none;
}

/* Briefing */
.a4u-pulse-briefing {
  background: var(--a4u-surface);
  border: 1px solid var(--a4u-border);
  border-radius: var(--a4u-radius, 14px);
  padding: 18px 20px;
  margin-bottom: 20px;
  box-shadow: var(--a4u-shadow-sm, 0 8px 24px rgba(0, 0, 0, 0.18));
}

.a4u-pulse-briefing__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}

.a4u-pulse-briefing__head h2 {
  margin: 0;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.a4u-pulse-briefing__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
}

.a4u-pulse-briefing__grid li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px;
  border-radius: 12px;
  background: var(--a4u-bg);
  border: 1px solid var(--a4u-border);
}

.a4u-pulse-briefing__grid strong {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.a4u-pulse-briefing__grid span {
  font-size: 12px;
  color: var(--a4u-muted);
}

/* Layout rows */
.a4u-pulse-row {
  display: grid;
  gap: 16px;
  margin-bottom: 16px;
}

.a4u-pulse-row--hero {
  grid-template-columns: 1.1fr 1fr;
}

.a4u-pulse-row--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.a4u-pulse-row--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

/* Widget shell */
.a4u-pulse-widget {
  background: var(--a4u-surface);
  border: 1px solid var(--a4u-border);
  border-radius: var(--a4u-radius, 14px);
  padding: 18px;
  box-shadow: var(--a4u-shadow-sm, 0 8px 24px rgba(0, 0, 0, 0.16));
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
  min-height: 160px;
  color: inherit;
  text-decoration: none;
  display: block;
}

.a4u-pulse-widget--link:hover,
.a4u-pulse-widget:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--a4u-border) 55%, var(--a4u-accent));
  box-shadow: var(--a4u-shadow-md, 0 12px 32px rgba(0, 0, 0, 0.22));
}

.a4u-pulse-widget__head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.a4u-pulse-widget__head h2 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  flex: 1;
}

.a4u-pulse-widget__icon {
  color: var(--a4u-muted);
  font-size: 14px;
}

.a4u-pulse-skel {
  height: 72px;
  border-radius: 10px;
  margin-bottom: 10px;
}

.a4u-pulse-skel--sm {
  height: 28px;
  width: 60%;
}

.a4u-pulse-empty {
  color: var(--a4u-muted);
  font-size: 14px;
  padding: 8px 0;
}

/* Pulse score */
.a4u-pulse-score {
  display: flex;
  align-items: center;
  gap: 20px;
}

.a4u-pulse-ring {
  width: 112px;
  height: 112px;
  flex-shrink: 0;
  transform: rotate(-90deg);
}

.a4u-pulse-ring__track {
  fill: none;
  stroke: var(--a4u-border);
  stroke-width: 8;
}

.a4u-pulse-ring__value {
  fill: none;
  stroke-width: 8;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.8s ease;
}

.a4u-pulse-score__n {
  display: block;
  font-size: clamp(2.4rem, 5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.a4u-pulse-score__label {
  display: block;
  font-weight: 700;
  margin-top: 6px;
}

.a4u-pulse-score__trend {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  margin-top: 10px;
}

.a4u-pulse-trend {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.a4u-pulse-trend--up { color: var(--a4u-accent); }
.a4u-pulse-trend--down { color: var(--a4u-danger, #f87171); }

/* Running now */
.a4u-pulse-run {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.a4u-pulse-run__cell {
  padding: 12px;
  border-radius: 12px;
  background: var(--a4u-bg);
  border: 1px solid var(--a4u-border);
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 72px;
}

.a4u-pulse-run__cell span {
  font-size: 12px;
  color: var(--a4u-muted);
}

.a4u-pulse-run__cell strong {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

/* Timeline */
.a4u-pulse-tl {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 360px;
  overflow: auto;
}

.a4u-pulse-tl__item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--a4u-border);
  opacity: 0.55;
}

.a4u-pulse-tl__item time {
  font-family: var(--a4u-font-mono, monospace);
  font-size: 12px;
  color: var(--a4u-muted);
}

.a4u-pulse-tl__item strong {
  display: block;
  font-size: 14px;
}

.a4u-pulse-tl__item span {
  font-size: 12px;
  color: var(--a4u-muted);
}

.a4u-pulse-tl__item--completed {
  opacity: 0.45;
}

.a4u-pulse-tl__item--running {
  opacity: 1;
  background: color-mix(in srgb, var(--a4u-accent) 8%, transparent);
  margin: 0 -8px;
  padding-left: 8px;
  padding-right: 8px;
  border-radius: 10px;
  border-bottom-color: transparent;
}

.a4u-pulse-tl__item--scheduled {
  opacity: 0.75;
}

.a4u-pulse-tl__item--waiting {
  opacity: 0.4;
}

/* Recommendations */
.a4u-pulse-rec-group {
  margin-bottom: 14px;
}

.a4u-pulse-rec-group h3 {
  margin: 0 0 8px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--a4u-muted);
}

.a4u-pulse-rec {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid var(--a4u-border);
}

.a4u-pulse-rec p {
  margin: 4px 0 10px;
  font-size: 13px;
  color: var(--a4u-muted);
  line-height: 1.4;
}

.a4u-pulse-rec__icon {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: 1px solid var(--a4u-border);
  background: var(--a4u-bg);
  font-size: 12px;
}

/* Notifications */
.a4u-pulse-notes {
  list-style: none;
  margin: 0;
  padding: 0;
}

.a4u-pulse-note {
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--a4u-border);
  margin-bottom: 8px;
  background: var(--a4u-bg);
}

.a4u-pulse-note p {
  margin: 4px 0 8px;
  font-size: 13px;
  color: var(--a4u-muted);
}

.a4u-pulse-note--critical {
  border-color: color-mix(in srgb, var(--a4u-danger, #f87171) 50%, var(--a4u-border));
}

.a4u-pulse-note--warning {
  border-color: color-mix(in srgb, var(--a4u-warning, #f59e0b) 45%, var(--a4u-border));
}

.a4u-pulse-note--information {
  opacity: 0.9;
}

/* Reports + activity */
.a4u-pulse-reports,
.a4u-pulse-activity {
  list-style: none;
  margin: 0;
  padding: 0;
}

.a4u-pulse-reports li,
.a4u-pulse-activity li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 0;
  border-bottom: 1px solid var(--a4u-border);
}

.a4u-pulse-reports__actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.a4u-pulse-activity li {
  flex-direction: column;
  gap: 2px;
}

.a4u-pulse-activity time {
  font-size: 11px;
  color: var(--a4u-muted);
}

.a4u-pulse-foot {
  text-align: center;
  padding: 28px 8px 48px;
  color: var(--a4u-muted);
  font-size: 13px;
}

.a4u-pulse-skel-page {
  margin-bottom: 24px;
}

@media (prefers-reduced-motion: reduce) {
  .a4u-pulse-widget,
  .a4u-pulse-ring__value {
    transition: none !important;
  }

  .a4u-pulse-widget--link:hover,
  .a4u-pulse-widget:hover {
    transform: none;
  }
}

@media (max-width: 1100px) {
  .a4u-pulse-row--3 {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 860px) {
  .a4u-pulse-row--hero,
  .a4u-pulse-row--3,
  .a4u-pulse-row--2 {
    grid-template-columns: 1fr;
  }

  .a4u-pulse-qa__toggle {
    display: inline-flex;
  }

  .a4u-pulse-qa__menu {
    display: none;
  }

  .a4u-pulse-qa__menu.is-open {
    display: flex;
  }

  .a4u-pulse-fab {
    display: inline-flex;
    position: fixed;
    right: 18px;
    bottom: calc(var(--a4u-bottom-nav-h, 64px) + 16px);
    z-index: 40;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: 0;
    background: var(--a4u-accent);
    color: #04110a;
    font-size: 28px;
    font-weight: 600;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
    cursor: pointer;
  }

  .a4u-pulse-fab:focus-visible {
    outline: 2px solid var(--a4u-text);
    outline-offset: 3px;
  }
}

@media (min-width: 861px) {
  .a4u-pulse-hero__meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* Legacy home helpers kept for onboarding card compatibility */
.a4u-home-hero,
.a4u-connection-strip,
.a4u-metrics-grid {
  /* retained for any residual class usage */
}

/* —— Pulse V2.1 Control Center —— */
.a4u-cc-grid {
  display: grid;
  gap: 16px;
  margin-bottom: 20px;
}
@media (min-width: 900px) {
  .a4u-cc-grid--primary {
    grid-template-columns: 1.4fr 1fr;
  }
}
.a4u-cc-status h2,
.a4u-cc-attention h2 {
  margin: 4px 0 8px;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}
.a4u-cc-status__metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 14px;
  margin: 14px 0;
}
.a4u-cc-status__metrics dt {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--a4u-muted);
}
.a4u-cc-status__metrics dd {
  margin: 2px 0 0;
  font-weight: 600;
}
.a4u-cc-status__actions,
.a4u-cc-conn__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.a4u-cc-status--paused {
  border-color: color-mix(in srgb, var(--a4u-warning, #f59e0b) 35%, transparent);
}
.a4u-cc-status--attention {
  border-color: color-mix(in srgb, var(--a4u-danger, #f87171) 35%, transparent);
}
.a4u-cc-attention__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.a4u-cc-attention__item {
  padding: 12px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--a4u-surface, #12121a) 92%, #fff 8%);
}
.a4u-cc-attention__item--critical {
  box-shadow: inset 3px 0 0 var(--a4u-danger, #f87171);
}
.a4u-cc-attention__item--warning {
  box-shadow: inset 3px 0 0 var(--a4u-warning, #f59e0b);
}
.a4u-cc-conn__row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid color-mix(in srgb, var(--a4u-border, #2a2a36) 80%, transparent);
  font-size: 14px;
}
.a4u-cc-conn__actions { margin-top: 12px; }

.a4u-notif-host {
  display: inline-flex;
  align-items: center;
  margin-right: 8px;
}
.a4u-notif-bell {
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--a4u-border, #2a2a36);
  background: transparent;
  color: var(--a4u-text);
  cursor: pointer;
}
.a4u-notif-bell__badge {
  position: absolute;
  top: 4px;
  right: 4px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: 999px;
  background: var(--a4u-danger, #f87171);
  color: #111;
  font-size: 10px;
  font-weight: 700;
  line-height: 16px;
  text-align: center;
}
.a4u-notif-drawer {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  justify-content: flex-end;
}
.a4u-notif-drawer[hidden] { display: none !important; }
.a4u-notif-drawer__panel {
  width: min(420px, 100%);
  height: 100%;
  background: var(--a4u-bg, #0a0a0f);
  border-left: 1px solid var(--a4u-border, #2a2a36);
  padding: 16px;
  overflow: auto;
}
.a4u-notif-drawer__head {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
  margin-bottom: 12px;
}
.a4u-notif-drawer__actions { display: flex; gap: 6px; flex-wrap: wrap; }
.a4u-notif-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.a4u-notif-item__btn {
  width: 100%;
  text-align: left;
  border: 1px solid var(--a4u-border, #2a2a36);
  border-radius: 12px;
  background: transparent;
  color: inherit;
  padding: 12px;
  cursor: pointer;
}
.a4u-notif-item--unread .a4u-notif-item__btn {
  border-color: color-mix(in srgb, var(--a4u-accent, #38bdf8) 40%, transparent);
}
.a4u-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 860px) {
  .a4u-cc-status__metrics { grid-template-columns: 1fr 1fr; }
  .a4u-cc-status__actions .a4u-btn { flex: 1 1 auto; }
}