:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --surface-hover: #f9fafb;
  --border: #e3e5e8;
  --text: #16181d;
  --muted: #6b7079;
  --accent: #3b6ef5;
  --up: #1fa463;
  --down: #d9443a;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.05);
  --radius: 14px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1115;
    --surface: #181b21;
    --surface-hover: #1f232b;
    --border: #2a2e37;
    --text: #e8eaee;
    --muted: #8b919c;
    --accent: #6d93ff;
    --shadow: none;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #0f1115;
  --surface: #181b21;
  --surface-hover: #1f232b;
  --border: #2a2e37;
  --text: #e8eaee;
  --muted: #8b919c;
  --accent: #6d93ff;
  --shadow: none;
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0 auto;
  max-width: 1100px;
  padding: 48px 24px 64px;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.4;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
}

.greeting { margin: 0 0 4px; color: var(--muted); font-size: 0.95rem; }
h1 { margin: 0; font-size: 2rem; letter-spacing: -0.02em; }
.subtitle { margin: 4px 0 0; color: var(--muted); }

.top-right { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.top-right form { margin: 0; }
.clock { font-variant-numeric: tabular-nums; font-size: 1.5rem; font-weight: 600; margin-right: 4px; }

.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 0.9rem;
  text-decoration: none;
  cursor: pointer;
}
.icon-btn:hover { border-color: var(--accent); }
.theme-toggle { width: 36px; padding: 0; font-size: 1.1rem; }

.search-wrap { margin-bottom: 32px; }
.search {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  outline: none;
}
.search:focus { border-color: var(--accent); }

.group { margin-bottom: 32px; }
.group h2 {
  margin: 0 0 12px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 12px;
}

.card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  color: inherit;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s, transform 0.15s;
}
.card:hover, .card:focus-visible {
  background: var(--surface-hover);
  border-color: var(--accent);
  transform: translateY(-1px);
  outline: none;
}

.card.disabled { opacity: 0.55; cursor: default; }
.card.disabled:hover { background: var(--surface); border-color: var(--border); transform: none; }

.icon {
  flex: none;
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 10px;
  overflow: hidden;
}
.icon img { width: 100%; height: 100%; object-fit: contain; }
.icon.fallback {
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
}

.info { min-width: 0; }
.name { font-weight: 600; }
.desc {
  color: var(--muted);
  font-size: 0.85rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.status {
  position: absolute;
  top: 12px; right: 12px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--border);
}
.status.up { background: var(--up); }
.status.down { background: var(--down); }

.empty { color: var(--muted); text-align: center; }

@media (max-width: 600px) {
  body { padding: 28px 16px 48px; }
  h1 { font-size: 1.6rem; }
  .clock { font-size: 1.2rem; }
}

/* --- Login, registro y administración ------------------------------------ */

.auth-body {
  display: grid;
  place-items: center;
  min-height: 100vh;
  max-width: none;
  padding: 24px 16px;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--shadow);
}
.auth-card.wide { max-width: 1000px; }
.auth-card h1 { font-size: 1.5rem; margin-bottom: 16px; }
.auth-card p { margin: 0 0 16px; }

.brand { color: var(--muted); font-weight: 600; margin-bottom: 20px; }

.form { display: grid; gap: 14px; }
.form label { display: grid; gap: 6px; font-size: 0.9rem; font-weight: 500; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
  outline: none;
}
.form input:focus { border-color: var(--accent); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 10px 16px;
  border: 1px solid transparent;
  border-radius: 10px;
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-secondary { background: var(--surface); border-color: var(--border); color: var(--text); }
.btn-secondary:hover { border-color: var(--accent); }
.btn-danger { background: transparent; border-color: var(--border); color: var(--down); }
.btn-danger:hover { border-color: var(--down); }
.btn-google { width: 100%; background: var(--surface); border-color: var(--border); color: var(--text); }
.btn-google:hover { background: var(--surface-hover); border-color: var(--accent); }
.btn-sm { padding: 6px 10px; font-size: 0.8rem; }
.auth-card > .btn-primary { width: 100%; }

.divider {
  display: flex; align-items: center; gap: 12px;
  margin: 18px 0;
  color: var(--muted);
  font-size: 0.85rem;
}
.divider::before, .divider::after { content: ""; flex: 1; border-top: 1px solid var(--border); }

.hint { color: var(--muted); font-size: 0.85rem; }
.foot { margin: 20px 0 0 !important; text-align: center; color: var(--muted); font-size: 0.9rem; }
.foot a, .auth-card a:not(.btn) { color: var(--accent); }

.alert { padding: 10px 12px; border-radius: 10px; font-size: 0.9rem; border: 1px solid; }
.alert.error { color: var(--down); border-color: color-mix(in srgb, var(--down) 40%, transparent); background: color-mix(in srgb, var(--down) 8%, transparent); }
.alert.info { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 40%, transparent); background: color-mix(in srgb, var(--accent) 8%, transparent); }
.alert.success { color: var(--up); border-color: color-mix(in srgb, var(--up) 40%, transparent); background: color-mix(in srgb, var(--up) 8%, transparent); }

.password-box {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 12px;
  padding: 10px 10px 10px 14px;
  border: 1px dashed var(--accent);
  border-radius: 10px;
  background: var(--bg);
}
.password-box code { flex: 1; font-size: 1.1rem; letter-spacing: 0.04em; word-break: break-all; }

.admin-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 8px; }
.admin-head h1 { margin: 0; }
.table-wrap { overflow-x: auto; }
.users { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.users th { text-align: left; color: var(--muted); font-weight: 600; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; }
.users th, .users td { padding: 10px 8px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.users tr:last-child td { border-bottom: none; }
.users .actions { display: flex; gap: 6px; justify-content: flex-end; flex-wrap: wrap; }
.users .actions form { margin: 0; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 0.75rem; font-weight: 600; }
.badge.ok { color: var(--up); background: color-mix(in srgb, var(--up) 12%, transparent); }
.badge.pending { color: #b7791f; background: color-mix(in srgb, #d69e2e 15%, transparent); }

@media (max-width: 600px) {
  .auth-card { padding: 24px 20px; }
  .form .row { grid-template-columns: 1fr; }
}

.icon-btn .count {
  display: inline-grid; place-items: center;
  min-width: 18px; height: 18px;
  margin-left: 6px; padding: 0 5px;
  border-radius: 999px;
  background: var(--down);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
}
.mail-test { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: 0 0 16px; }