:root {
  --normal:    #16a34a;
  --warning:   #d97706;
  --critical:  #dc2626;
  --unknown:   #64748b;

  --bg:        #f0f3f8;
  --card:      #ffffff;
  --border:    #e2e8f0;
  --text:      #1e293b;
  --muted:     #94a3b8;
  --code-bg:   #1e2030;
  --code-text: #cdd6f4;

  --radius:    12px;
  --shadow:    0 1px 4px rgba(0,0,0,.07), 0 4px 16px rgba(0,0,0,.04);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  padding-bottom: 3rem;
}

/* ── Login ──────────────────────────────────────────────────── */
#login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}

.login-card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2.25rem 2rem;
  width: 100%;
  max-width: 340px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.login-logo {
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -.01em;
  margin-bottom: .25rem;
}

.login-error {
  font-size: .8rem;
  color: var(--critical);
  background: #fee2e2;
  border-radius: 6px;
  padding: .45rem .75rem;
  margin: 0;
}

.login-card input {
  width: 100%;
  padding: .55rem .75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: .875rem;
  font-family: inherit;
  color: var(--text);
  background: var(--bg);
  outline: none;
  transition: border-color .15s;
}
.login-card input:focus {
  border-color: #94a3b8;
}

.login-card button {
  padding: .6rem;
  border: none;
  border-radius: 8px;
  background: var(--text);
  color: #fff;
  font-size: .875rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: opacity .15s;
}
.login-card button:hover   { opacity: .85; }
.login-card button:disabled { opacity: .5; cursor: default; }

/* ── Header ─────────────────────────────────────────────────── */
.header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1rem 1.75rem;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 1px 6px rgba(0,0,0,.06);
}

.logo {
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: -.01em;
  flex-shrink: 0;
}

.overall {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-weight: 600;
  font-size: .875rem;
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--unknown);
  flex-shrink: 0;
  transition: background .3s;
}
.dot.normal   { background: var(--normal); }
.dot.warning  { background: var(--warning); }
.dot.critical { background: var(--critical); animation: pulse 1.4s ease-in-out infinite; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: .3; }
}

.refresh-info {
  margin-left: auto;
  font-size: .75rem;
  color: var(--muted);
  flex-shrink: 0;
}

/* ── Grid ───────────────────────────────────────────────────── */
main { padding: 1.75rem; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.empty {
  text-align: center;
  color: var(--muted);
  margin-top: 4rem;
  font-size: .9rem;
}

/* ── Card ───────────────────────────────────────────────────── */
.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border-left: 4px solid var(--unknown);
  padding: 1.1rem 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  gap: .4rem;
  transition: box-shadow .15s;
}
.card:hover {
  box-shadow: 0 2px 8px rgba(0,0,0,.1), 0 6px 24px rgba(0,0,0,.07);
}

.card.normal   { border-left-color: var(--normal); }
.card.warning  { border-left-color: var(--warning); }
.card.critical { border-left-color: var(--critical); }
.card.unknown  { border-left-color: var(--unknown); }

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: .5rem;
}

.card-name { display: flex; flex-direction: column; gap: .05rem; }

.card-prefix {
  font-size: .65rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}

.card-label {
  font-size: .875rem;
  font-weight: 700;
}

/* ── Badge ──────────────────────────────────────────────────── */
.badge {
  padding: .2rem .6rem;
  border-radius: 99px;
  font-size: .67rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  flex-shrink: 0;
}
.badge.normal   { background: #dcfce7; color: #15803d; }
.badge.warning  { background: #fef3c7; color: #b45309; }
.badge.critical { background: #fee2e2; color: #b91c1c; }
.badge.unknown  { background: #f1f5f9; color: #475569; }

/* ── Value ──────────────────────────────────────────────────── */
.card-value {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.15;
  margin-top: .2rem;
}
.card.normal   .card-value { color: var(--normal); }
.card.warning  .card-value { color: var(--warning); }
.card.critical .card-value { color: var(--critical); }
.card.unknown  .card-value { color: var(--unknown); }

/* ── Timestamp ──────────────────────────────────────────────── */
.card-time {
  font-size: .72rem;
  color: var(--muted);
}

/* ── Details ────────────────────────────────────────────────── */
.card-details {
  margin-top: .35rem;
  border-top: 1px solid var(--border);
  padding-top: .5rem;
}

.card-details summary {
  font-size: .73rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
  list-style: none;
}
.card-details summary::before        { content: '▶  '; font-size: .55rem; }
.card-details[open] summary::before  { content: '▼  '; }

.card-json {
  margin-top: .6rem;
  background: var(--code-bg);
  color: var(--code-text);
  border-radius: 8px;
  padding: .75rem;
  font-size: .71rem;
  line-height: 1.6;
  overflow-x: auto;
  white-space: pre;
}