:root {
  --color-paper: #f7f5f1;
  --color-paper-alt: #efece6;
  --color-paper-card: #ffffff;
  --color-ink: #122238;
  --color-ink-soft: #2a3b4c;
  --color-muted: #5c6b78;
  --color-line: #e2e6e8;
  --color-line-dark: #cad2d6;
  --color-blue-accent: #3a7594;
  --color-blue-light: #e8f1f5;
  --color-blue-glow: rgba(58, 117, 148, 0.15);
  --danger: #b42318;
  --danger-soft: #fef3f2;
  --warn: #b54708;
  --warn-soft: #fffaeb;
  --good: #027a48;
  --good-soft: #ecfdf3;
  --font-serif: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --font-sans: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "DM Mono", "SF Mono", Consolas, monospace;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --radius: 12px;
  --shell: 720px;
  --shadow: 0 8px 28px rgba(18, 34, 56, 0.06);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(58, 117, 148, 0.12), transparent 55%),
    radial-gradient(900px 420px at 100% 0%, rgba(18, 34, 56, 0.06), transparent 50%),
    linear-gradient(180deg, var(--color-paper) 0%, var(--color-paper-alt) 100%);
  color: var(--color-ink);
  font-family: var(--font-sans);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }
.muted { color: var(--color-muted); }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: calc(12px + env(safe-area-inset-top)) 16px 12px;
  background: color-mix(in srgb, var(--color-paper) 86%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-line);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--color-blue-accent);
  font-weight: 500;
}

.topbar h1 {
  margin: 2px 0 0;
  font-family: var(--font-serif);
  font-size: 22px;
  letter-spacing: 0.02em;
  animation: brandIn 0.55s var(--ease-out) both;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.topbar-updated { font-size: 12px; }

.ghost, .primary {
  font: inherit;
  border-radius: 10px;
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid var(--color-line-dark);
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  background: var(--color-paper-card);
  color: var(--color-ink);
  transition: transform 0.15s var(--ease-out), background 0.15s, border-color 0.15s;
}

.primary {
  background: var(--color-ink);
  color: #fff;
  border-color: var(--color-ink);
}

.ghost:active, .primary:active { transform: scale(0.98); }

.shell {
  width: min(100%, var(--shell));
  margin: 0 auto;
  padding: 18px 14px 48px;
}

.panel {
  background: var(--color-paper-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.login-panel h2 {
  margin: 0 0 8px;
  font-family: var(--font-serif);
}

.stack { display: grid; gap: 12px; margin-top: 14px; }
.stack label { display: grid; gap: 6px; font-size: 13px; font-weight: 600; }
.stack input {
  min-height: 42px;
  border: 1px solid var(--color-line-dark);
  border-radius: 10px;
  padding: 0 12px;
  font: inherit;
}

.error { color: var(--danger); min-height: 1.2em; font-size: 13px; }

.section { margin-bottom: 28px; animation: riseIn 0.45s var(--ease-out) both; }
.section:nth-of-type(2) { animation-delay: 0.05s; }
.section:nth-of-type(3) { animation-delay: 0.1s; }
.section.compact { margin-bottom: 8px; }

.section-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--color-blue-accent);
  margin-bottom: 4px;
}

.section h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.45rem;
  letter-spacing: 0.01em;
}

.section-lead { margin: 6px 0 14px; font-size: 0.92rem; }

.filter-row {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.filter-chip {
  flex: 0 0 auto;
  border: 1px solid var(--color-line-dark);
  background: var(--color-paper-card);
  color: var(--color-ink-soft);
  border-radius: 999px;
  min-height: 36px;
  padding: 0 14px;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s, transform 0.15s var(--ease-out);
}

.filter-chip[aria-selected="true"] {
  background: var(--color-blue-accent);
  border-color: var(--color-blue-accent);
  color: #fff;
  box-shadow: 0 6px 18px var(--color-blue-glow);
}

.filter-chip:active { transform: scale(0.97); }

.card-list {
  display: grid;
  gap: 10px;
}

.issue-card {
  display: grid;
  gap: 8px;
  text-decoration: none;
  color: inherit;
  background: var(--color-paper-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 14px 14px 12px;
  box-shadow: var(--shadow);
  transition: transform 0.18s var(--ease-out), border-color 0.18s, box-shadow 0.18s;
  animation: cardIn 0.35s var(--ease-out) both;
}

.issue-card:hover {
  transform: translateY(-2px);
  border-color: var(--color-blue-accent);
  box-shadow: 0 12px 30px rgba(18, 34, 56, 0.08);
}

.issue-card:active { transform: scale(0.99); }

.issue-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: flex-start;
}

.issue-status {
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.issue-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.4;
  overflow-wrap: break-word;
  word-break: break-word;
}

.issue-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  font-size: 12px;
  color: var(--color-muted);
}

.issue-meta code {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-blue-accent);
}

.labels {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.label-pill {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--color-blue-light);
  color: var(--color-ink-soft);
}

.today-calendar {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
}

.cal-card, .conn-item {
  background: var(--color-paper-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 12px 14px;
}

.cal-card strong { display: block; margin-bottom: 4px; }
.cal-event {
  display: flex;
  gap: 10px;
  font-size: 13px;
  padding: 6px 0;
  border-top: 1px dashed var(--color-line);
}
.cal-event:first-of-type { border-top: 0; }
.cal-time {
  font-family: var(--font-mono);
  color: var(--color-blue-accent);
  min-width: 4.5rem;
}

.conn-grid {
  display: grid;
  gap: 8px;
}

.conn-item {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  font-size: 13px;
}

.badge {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 999px;
}
.badge.ok { background: var(--good-soft); color: var(--good); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.bad { background: var(--danger-soft); color: var(--danger); }

.empty {
  text-align: center;
  color: var(--color-muted);
  padding: 28px 12px;
  border: 1px dashed var(--color-line-dark);
  border-radius: var(--radius);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(18px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  background: var(--color-ink);
  color: #fff;
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 13px;
  z-index: 40;
  animation: riseIn 0.25s var(--ease-out);
}

@keyframes brandIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}
@keyframes riseIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

@media (min-width: 720px) {
  .shell { padding: 24px 20px 64px; }
  .card-list { gap: 12px; }
  .conn-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 360px) {
  .topbar { padding-left: 12px; padding-right: 12px; }
  .shell { padding-left: 10px; padding-right: 10px; }
  .issue-title { font-size: 0.95rem; }
  .filter-chip { padding: 0 11px; font-size: 12px; }
}