:root {
  color-scheme: light;
  --bg: #f3f6fc;
  --card: #ffffff;
  --ink: #15233f;
  --muted: #63708f;
  --line: #d7deef;
  --accent: #3466cb;
  --accent-soft: rgba(52, 102, 203, 0.1);
  --shadow: 0 18px 50px rgba(21, 35, 63, 0.1);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(52, 102, 203, 0.12), transparent 28%),
    linear-gradient(180deg, #f8faff, var(--bg));
  color: var(--ink);
}

.app-shell {
  width: min(100%, 760px);
  margin: 0 auto;
  padding: 20px 16px 28px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 320px);
  gap: 12px;
  align-items: center;
  margin-bottom: 14px;
}
h1, h2, p { margin-top: 0; }
h1 {
  margin-bottom: 8px;
  font-size: clamp(1.45rem, 3.75vw, 2.45rem);
  line-height: 0.98;
}
.hero-brand {
  min-width: 0;
  text-align: left;
  width: max-content;
}
.hero-title {
  display: block;
  width: 100%;
  text-align: center;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: baseline;
  justify-content: flex-start;
  width: auto;
  margin-bottom: 6px;
  color: var(--accent);
  font-size: clamp(0.82rem, 1.95vw, 1rem);
  line-height: 1;
  font-weight: 900;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.hero-eyebrow-brand {
  display: inline-block;
}
.hero-eyebrow-com {
  display: inline-block;
  margin-left: 0.08em;
  color: #c62828;
  font-size: clamp(0.9rem, 2.05vw, 1.08rem);
  letter-spacing: 0.02em;
  text-transform: lowercase;
  line-height: 1;
}

.status-card, .panel, .tab, .button, .link-item, .copy-icon-button {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--card);
  box-shadow: var(--shadow);
}
.status-card {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
}
.status-copy {
  min-width: 0;
}
.status-dot {
  width: 12px; height: 12px; border-radius: 999px; background: #93a5cc;
  box-shadow: 0 0 0 7px var(--accent-soft);
  flex: 0 0 auto;
}
.status-dot.online { background: #2ea44f; box-shadow: 0 0 0 7px rgba(46,164,79,.12); }
.status-title { margin-bottom: 2px; font-weight: 700; }
.status-subtitle { margin-bottom: 0; color: var(--muted); font-size: 0.95rem; }
.status-controls {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.refresh-app {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  border: 1px solid rgba(52, 102, 203, 0.18);
  border-radius: 14px;
  background: rgba(52, 102, 203, 0.08);
  color: var(--accent);
  box-shadow: none;
  justify-self: end;
}
.refresh-app svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}
.refresh-app:focus-visible {
  outline: 3px solid rgba(52,102,203,.22);
  outline-offset: 2px;
}
.refresh-app:active {
  transform: translateY(1px);
}

.tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}
.tab {
  padding: 14px 12px;
  font-weight: 700;
  color: var(--ink);
}
.tab.active { border-color: var(--accent); color: var(--accent); background: rgba(52,102,203,.06); }

.panel {
  padding: 16px;
}
.panel-header {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  margin-bottom: 14px;
}
.panel-header h2 {
  margin-bottom: 0;
}
.links-header {
  margin-bottom: 12px;
}
.replies-header {
  margin-bottom: 12px;
}
.search-box-inline {
  min-width: 0;
}
.search-box-inline input {
  width: 100%;
  padding: 12px 14px;
  font-size: 0.98rem;
}
.button {
  border: 0;
  background: var(--accent);
  color: white;
  font-weight: 700;
  padding: 12px 15px;
}
.button.secondary { background: var(--accent-soft); color: var(--accent); border: 1px solid rgba(52,102,203,.16); box-shadow: none; }
.copy-icon-button {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(52, 102, 203, 0.16);
  background: rgba(52, 102, 203, 0.08);
  color: var(--accent);
  box-shadow: none;
  flex: 0 0 auto;
}
.copy-icon-button svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}
.search-box input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px 16px;
  font-size: 1rem;
  background: white;
  color: var(--ink);
}
.search-box input:focus-visible, .button:focus-visible, .tab:focus-visible, .copy-icon-button:focus-visible, .link-item button:focus-visible {
  outline: 3px solid rgba(52,102,203,.22);
  outline-offset: 2px;
}
.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.92rem;
  margin: 14px 0 0;
}
.categories { display: grid; gap: 12px; margin-top: 14px; }
.accordion {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(180deg, #fff, #f9fbff);
  overflow: hidden;
}
.accordion-trigger {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 12px;
  align-items: center;
  padding: 18px 16px;
  border: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  text-align: left;
}
.accordion-title {
  font-size: 1.08rem;
  font-weight: 800;
}
.accordion-meta {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 700;
}
.accordion-icon {
  width: 12px;
  height: 12px;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(45deg);
  transition: transform 180ms ease;
  justify-self: end;
}
.accordion.open .accordion-icon { transform: rotate(-135deg); }
.accordion-panel {
  padding: 0 14px 14px;
}
.link-list { display: grid; gap: 10px; margin-top: 12px; }
.link-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  padding: 12px 12px 12px 14px;
  box-shadow: none;
}
.link-item span {
  display: block;
  font-size: 0.98rem;
  line-height: 1.3;
}
.link-item .url {
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 4px;
  word-break: break-all;
}
.placeholder { margin-top: 14px; }
.hidden { display: none; }
.toast {
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%) translateY(120%);
  background: rgba(16, 26, 48, 0.96);
  color: white;
  padding: 12px 16px;
  border-radius: 999px;
  transition: transform 180ms ease;
  box-shadow: var(--shadow);
}
.toast.show { transform: translateX(-50%) translateY(0); }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (min-width: 720px) {
  .hero { grid-template-columns: minmax(0, 1fr) minmax(280px, 340px); align-items: center; }
}

@media (max-width: 520px) {
  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(0, calc((100% - 10px) / 2));
    gap: 10px;
    align-items: center;
  }
  .hero-eyebrow {
    margin-bottom: 5px;
    font-size: clamp(0.76rem, 2.45vw, 0.9rem);
    letter-spacing: 0.02em;
  }
  .hero-eyebrow-com {
    font-size: clamp(0.82rem, 2.6vw, 0.98rem);
  }
  .hero-brand h1 {
    font-size: clamp(1.48rem, 7.05vw, 2.2rem);
    margin-bottom: 0;
  }
  .status-card {
    width: 100%;
    padding: 10px 10px 10px 12px;
    gap: 10px;
  }
  .status-title { font-size: 0.92rem; }
  .status-subtitle { font-size: 0.84rem; line-height: 1.08; }
  .status-title, .status-subtitle {
    overflow-wrap: anywhere;
  }
  .panel-header {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 10px;
  }
  .panel-header h2 {
    margin-bottom: 0;
  }
  .search-box-inline input {
    padding: 11px 12px;
  }
}

@media (max-width: 520px) {
  .accordion-trigger {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "title icon"
      "meta icon";
  }
  .accordion-title { grid-area: title; }
  .accordion-meta { grid-area: meta; }
  .accordion-icon { grid-area: icon; align-self: center; }
}

.reply-accordion .reply-trigger {
  grid-template-columns: 1fr auto auto;
}
.reply-header {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  padding-left: 14px;
}
.reply-trigger {
  width: 100%;
  grid-template-columns: 1fr auto auto;
}
.reply-accordion .accordion-title {
  font-size: 1.08rem;
}
.reply-accordion .accordion-meta {
  font-weight: 600;
  max-width: 24ch;
  text-align: right;
}
.reply-body {
  padding-top: 4px;
}
.reply-body p {
  margin: 0 0 1rem;
  color: var(--ink);
  line-height: 1.65;
}
.reply-body p:last-child {
  margin-bottom: 0;
}
.replies-meta {
  margin-top: 14px;
}

@media (min-width: 720px) {
  .tool-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}