:root {
  --brand-teal: #308C94;
  --brand-navy: #1E4B5F;
  --color-primary: #1E4B5F;
  --color-accent: #308C94;
  --color-background: #EEF3F5;
  --color-surface: #FFFFFF;
  --color-foreground: #0F2430;
  --color-muted: #E3EBEE;
  --color-muted-fg: #5A6F78;
  --color-border: #C8D6DC;
  --color-destructive: #E04E39;
  --color-danger-bg: #FCEBE8;
  --space-sm: 0.25rem;
  --space-md: 0.5rem;
  --space-lg: 0.75rem;
  --space-xl: 1rem;
  --space-2xl: 1.5rem;
  --radius-md: 8px;
  --radius-xl: 16px;
  --shadow-focus: 0 0 0 3px rgba(48, 140, 148, 0.35);
  --shadow-glow: 0 0 0 1px rgba(48, 140, 148, 0.18), 0 8px 28px rgba(48, 140, 148, 0.15);
  --font-sans: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --text-sm: 0.8125rem;
  --text-lg: 1.125rem;
  --control-h: 38px;
  --touch-min: 44px;
  --motion: 200ms cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  line-height: 1.45;
  color: var(--color-foreground);
  background: var(--color-background);
}
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
}
.skip-link:focus { left: 8px; top: 8px; background: #fff; padding: 8px; z-index: 5; }

.auth-page {
  background:
    radial-gradient(ellipse 70% 45% at 15% 0%, rgba(48, 140, 148, 0.16), transparent 55%),
    radial-gradient(ellipse 50% 40% at 90% 100%, rgba(30, 75, 95, 0.12), transparent 50%),
    linear-gradient(165deg, #F2F7F8 0%, #E4EEF1 48%, #DCE8EC 100%);
}
.auth-layout {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl) var(--space-xl);
  gap: var(--space-xl);
}
.auth-card {
  width: min(440px, 100%);
  background: color-mix(in srgb, var(--color-surface) 92%, transparent);
  backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-glow);
  padding: var(--space-2xl) var(--space-2xl) var(--space-xl);
}
.auth-brand { text-align: center; margin-bottom: var(--space-2xl); }
.auth-logo { margin: 0 auto var(--space-lg); width: min(220px, 70vw); height: auto; display: block; }
.auth-product { margin: 0; font-size: var(--text-lg); font-weight: 650; color: var(--brand-navy); }
.auth-lead { margin: 0 0 var(--space-xl); color: var(--color-muted-fg); font-size: var(--text-sm); text-align: center; }
.auth-footer { font-size: var(--text-sm); color: var(--color-muted-fg); text-align: center; }
.auth-footer a { font-weight: 600; color: var(--brand-navy); }
.auth-actions { display: flex; flex-direction: column; gap: var(--space-md); align-items: stretch; margin-top: var(--space-xl); }
.auth-link {
  display: block;
  text-align: center;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  min-height: var(--touch-min);
  line-height: var(--touch-min);
}
.auth-link:hover { text-decoration: underline; }

.field { display: flex; flex-direction: column; gap: var(--space-sm); }
.field label { font-size: var(--text-sm); font-weight: 600; }
.field .error { font-size: 0.75rem; color: var(--color-destructive); min-height: 1em; }
.input {
  width: 100%;
  min-height: var(--control-h);
  padding: 0 var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-foreground);
  font-family: inherit;
  font-size: var(--text-sm);
}
.input:focus { border-color: var(--color-accent); box-shadow: var(--shadow-focus); outline: none; }
.input.is-invalid { border-color: var(--color-destructive); }
.password-field { position: relative; display: flex; }
.password-field .input { padding-right: 44px; }
.password-toggle {
  position: absolute;
  right: 2px;
  top: 50%;
  transform: translateY(-50%);
  width: var(--touch-min);
  height: var(--touch-min);
  border: 0;
  background: transparent;
  color: var(--color-muted-fg);
  cursor: pointer;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--control-h);
  padding: 0 var(--space-lg);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary { background: var(--color-accent); color: #fff; }
.btn-primary:hover { filter: brightness(0.95); }
.btn-secondary { background: var(--color-surface); color: var(--color-foreground); border-color: var(--color-border); }
.alert { padding: 0.7rem 0.8rem; border-radius: var(--radius-md); margin-bottom: 0.75rem; font-size: var(--text-sm); }
.alert-error { background: var(--color-danger-bg); color: var(--color-destructive); }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  background: #0F2A33;
  color: #E8F0F2;
}
.topbar-brand { display: flex; align-items: center; gap: 0.75rem; font-weight: 650; }
.topbar-brand img { background: #fff; border-radius: 6px; height: 36px; width: auto; }
.menu { display: flex; align-items: center; gap: 0.35rem; }
.menu a {
  color: #E8F0F2;
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 0.4rem 0.75rem;
  border-radius: 8px;
}
.menu a.is-active, .menu a:hover { background: rgba(255, 255, 255, 0.12); }
.topbar-user { display: flex; align-items: center; gap: 0.75rem; }
@media (max-width: 720px) {
  .topbar { flex-wrap: wrap; }
  .menu { order: 3; width: 100%; }
}
.page { padding: 1.5rem 1.25rem 2.5rem; max-width: 1100px; margin: 0 auto; }
.page-header h2 { margin: 0; font-size: var(--text-lg); }
.page-desc { margin: 0.25rem 0 0; color: var(--color-muted-fg); font-size: var(--text-sm); }
.table-wrap {
  margin-top: 1rem;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: auto;
}
table { width: 100%; border-collapse: collapse; }
th, td { padding: 0.7rem 0.9rem; text-align: left; border-bottom: 1px solid var(--color-border); }
th { font-size: 0.75rem; letter-spacing: 0.03em; text-transform: uppercase; color: var(--color-muted-fg); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tbody tr:last-child td { border-bottom: 0; }

.link { color: inherit; text-decoration: none; font-size: var(--text-sm); }
.link:hover { text-decoration: underline; }
.btn { border: 1px solid transparent; border-radius: 8px; padding: 0.45rem 0.8rem; font: inherit; cursor: pointer; }
.btn-primary { background: #308C94; color: #fff; }
.btn-ghost { background: #fff; border-color: var(--color-border); color: #1E4B5F; }
.btn-danger { background: #fff; border-color: #e7b4b4; color: var(--color-destructive); }
.alert-ok { background: #e7f6f4; color: #1E4B5F; }
.card { background: #fff; border: 1px solid var(--color-border); border-radius: 12px; padding: 1rem 1.1rem; margin: 1rem 0; }
.card h3 { margin: 0 0 0.6rem; font-size: 1rem; }
.mcp-head, .mcp-actions, .mcp-url-row { display: flex; gap: 0.6rem; align-items: center; flex-wrap: wrap; }
.mcp-head { justify-content: space-between; }
.mcp-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.radio { display: flex; gap: 0.45rem; align-items: center; margin: 0.35rem 0; }
.hint { color: var(--color-muted-fg); font-size: var(--text-sm); }
.status-on { color: #1f7a4d; }
.status-off { color: #9a6b12; }
.status-stop { color: var(--color-destructive); }
.token { margin: 0.5rem 0; padding: 0.6rem; background: #f4f7f8; border-radius: 8px; word-break: break-all; }
dialog { border: 0; border-radius: 12px; max-width: 36rem; padding: 1.2rem; }
dialog::backdrop { background: rgba(15, 42, 51, 0.45); }
@media (max-width: 720px) { .mcp-grid { grid-template-columns: 1fr; } }