@font-face {
  font-family: 'Lack';
  src: url('../fonts/Lack-Regular.otf') format('opentype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Lack Line';
  src: url('../fonts/Lack-Line-Italic.otf') format('opentype');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

:root {
  --bg0: #e8eef3;
  --bg1: #f5f7fa;
  --ink: #162029;
  --muted: #5b6b78;
  --line: rgba(22, 32, 41, 0.12);
  --accent: #1f4f63;
  --accent-soft: rgba(31, 79, 99, 0.12);
  --good: #1f6b4a;
  --warn: #8a5a12;
  --bad: #8a2430;
  --glass: rgba(255, 255, 255, 0.62);
  --shadow: 0 18px 50px rgba(22, 32, 41, 0.08);
  --radius: 18px;
  --font-ui: 'DM Sans', sans-serif;
  --font-display: 'Lack', 'DM Sans', sans-serif;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(120, 170, 190, 0.28), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(190, 170, 130, 0.18), transparent 50%),
    linear-gradient(180deg, var(--bg0), var(--bg1) 42%, #eef2f5);
  color: var(--ink);
  font-family: var(--font-ui);
}

body {
  min-height: 100dvh;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: #fff;
  padding: 0.5rem 0.75rem;
  z-index: 20;
}

.skip-link:focus {
  left: 0.75rem;
  top: 0.75rem;
}

.app-shell {
  width: min(480px, 100%);
  margin: 0 auto;
  min-height: 100dvh;
  padding: 1rem 1rem calc(1.25rem + var(--safe-bottom));
  display: grid;
  gap: 0.85rem;
  align-content: start;
}

.app-top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  animation: rise 0.55s ease both;
}

.brand {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.brand-kicker {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.brand h1 {
  margin: 0.1rem 0 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 400;
  letter-spacing: -0.02em;
}

.top-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.35rem;
}

.transport {
  font-size: 0.72rem;
  color: var(--muted);
}

.pulse {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  background: var(--glass);
  border: 1px solid var(--line);
  font-size: 0.75rem;
  text-transform: lowercase;
}

.pulse::before {
  content: '';
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--good);
  box-shadow: 0 0 0 0 rgba(31, 107, 74, 0.45);
  animation: breathe 2.2s ease-in-out infinite;
}

.pulse[data-health='degraded']::before {
  background: var(--warn);
}

.pulse[data-health='locked']::before,
.app-shell[data-locked='true'] .pulse::before {
  background: var(--bad);
  animation: none;
}

.status-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.45rem;
  padding: 0.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--glass);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
  animation: rise 0.65s ease both;
}

.status-strip span {
  display: block;
  color: var(--muted);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.status-strip strong {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.95rem;
}

.tab-nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.35rem;
  padding: 0.3rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.45);
  border: 1px solid var(--line);
  animation: rise 0.7s ease both;
}

.tab {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.82rem;
  padding: 0.65rem 0.25rem;
  border-radius: 10px;
  cursor: pointer;
}

.tab.is-active {
  background: #fff;
  color: var(--ink);
  box-shadow: 0 6px 18px rgba(22, 32, 41, 0.08);
}

.tab-count {
  display: inline-grid;
  place-items: center;
  min-width: 1.15rem;
  height: 1.15rem;
  margin-left: 0.15rem;
  padding: 0 0.25rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.68rem;
}

.panel {
  display: none;
  gap: 0.85rem;
  animation: rise 0.45s ease both;
}

.panel.is-active {
  display: grid;
}

.panel-intro h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 400;
}

.panel-intro p,
.focus-card p,
.gateway-card p,
.lockout-card p {
  margin: 0.35rem 0 0;
  color: var(--muted);
  line-height: 1.45;
}

.focus-card,
.queue-preview,
.gateway-card,
.lockout-card,
.stack-list > li {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--glass);
  backdrop-filter: blur(14px);
  padding: 1rem;
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.focus-card h3,
.queue-preview h3,
.gateway-card h3,
.lockout-card h3,
.panel h3 {
  margin: 0.25rem 0 0;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 400;
}

.action-row,
.toolbar,
.row-between {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.row-between {
  justify-content: space-between;
}

.action-row {
  margin-top: 0.9rem;
}

.btn,
.text-btn {
  appearance: none;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 0.88rem;
  border-radius: 999px;
  padding: 0.55rem 0.9rem;
  cursor: pointer;
  text-decoration: none;
}

.btn:hover,
.text-btn:hover {
  border-color: rgba(22, 32, 41, 0.28);
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #f4f8fa;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.72);
}

.btn-danger {
  background: var(--bad);
  border-color: var(--bad);
  color: #fff;
}

.btn-good {
  background: var(--good);
  border-color: var(--good);
  color: #fff;
}

.text-btn {
  border: 0;
  background: transparent;
  color: var(--accent);
  padding: 0.2rem 0;
}

.compact-list,
.stack-list {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.compact-list {
  margin-top: 0.65rem;
}

.compact-list li {
  display: grid;
  gap: 0.15rem;
  padding: 0.7rem 0.8rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--line);
}

.stack-list > li {
  display: grid;
  gap: 0.55rem;
}

.item-title {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: baseline;
}

.item-title strong {
  font-size: 0.98rem;
}

.item-meta,
.muted {
  color: var(--muted);
  font-size: 0.82rem;
}

.risk {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--warn);
}

.risk[data-risk='critical'],
.risk[data-risk='high'] {
  color: var(--bad);
}

.risk[data-risk='medium'] {
  color: var(--warn);
}

.risk[data-risk='low'] {
  color: var(--good);
}

.state-chip {
  display: inline-flex;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.72rem;
  text-transform: lowercase;
}

.gateway-form {
  display: grid;
  gap: 0.65rem;
  margin-top: 0.8rem;
}

.gateway-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.gateway-form input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.7rem 0.8rem;
  font: inherit;
  background: rgba(255, 255, 255, 0.8);
  color: var(--ink);
}

.audit-list li {
  font-size: 0.86rem;
}

.toast {
  position: sticky;
  bottom: 0.5rem;
  justify-self: center;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  background: var(--ink);
  color: #f4f8fa;
  font-size: 0.86rem;
  box-shadow: var(--shadow);
  animation: rise 0.3s ease both;
}

.toast[hidden] {
  display: none;
}

.app-shell[data-locked='true'] .focus-card,
.app-shell[data-locked='true'] .queue-preview {
  border-color: rgba(138, 36, 48, 0.28);
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes breathe {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(31, 107, 74, 0.45);
  }
  50% {
    box-shadow: 0 0 0 6px rgba(31, 107, 74, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}