:root {
  --bg: #f3f0ea;
  --ink: #1a1f24;
  --muted: #5c6670;
  --card: #fffdf8;
  --line: #d9d2c5;
  --accent: #0b6e4f;
  --accent2: #0a4d8c;
  --danger: #9b1d1d;
  --ok: #0b6e4f;
  --warn: #9a6b00;
  --font: "IBM Plex Sans", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, #dfeff0 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #efe6d4 0%, transparent 50%),
    var(--bg);
  min-height: 100vh;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--line);
  background: rgba(255,253,248,.85);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { display: flex; gap: .75rem; align-items: baseline; }
.logo {
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--accent2);
  font-size: 1.1rem;
}
.brand h1 { margin: 0; font-size: 1.15rem; font-weight: 600; }
.auth { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.auth input {
  width: 260px;
  padding: .45rem .6rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}
.auth-status {
  font-size: .78rem;
  font-weight: 600;
  padding: .25rem .55rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
}
.auth-status.ok { color: var(--ok); border-color: #b7d9cb; }
.auth-status.bad { color: var(--danger); border-color: #e2b4b4; }
.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 1rem;
}
.modal.hidden { display: none !important; }
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(26, 31, 36, 0.45);
}
.modal-card {
  position: relative;
  width: min(920px, 100%);
  max-height: min(90vh, 900px);
  overflow: auto;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem;
  box-shadow: 0 20px 50px rgba(0,0,0,.18);
}
.modal-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: .6rem;
}
.modal-tabs {
  display: flex;
  gap: .35rem;
  margin-bottom: .6rem;
}
.modal-tabs button {
  background: #fff;
  color: var(--ink);
  border-color: var(--line);
}
.modal-tabs button.active {
  background: var(--accent2);
  border-color: var(--accent2);
  color: #fff;
}
.mail-frame {
  width: 100%;
  height: 60vh;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
.mail-text { max-height: 60vh; }

.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}
.login-card {
  width: min(420px, 100%);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.4rem 1.3rem 1.2rem;
  box-shadow: 0 16px 40px rgba(26,31,36,.08);
}
.login-card button[type="submit"] { width: 100%; margin-top: .4rem; }
#appShell.hidden, .login-screen.hidden, .hidden { display: none !important; }

.tabs {
  display: flex;
  gap: .25rem;
  padding: .75rem 1.5rem 0;
}
.tabs button {
  border: 1px solid transparent;
  background: transparent;
  padding: .55rem .9rem;
  border-radius: 8px 8px 0 0;
  cursor: pointer;
  color: var(--muted);
}
.tabs button.active {
  background: var(--card);
  border-color: var(--line);
  border-bottom-color: var(--card);
  color: var(--ink);
  font-weight: 600;
}

main { padding: 0 1.5rem 2rem; }
.panel { display: none; }
.panel.active { display: block; }

.grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: .75rem;
}
@media (max-width: 980px) {
  .grid2 { grid-template-columns: 1fr; }
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem 1.1rem 1.2rem;
  box-shadow: 0 8px 24px rgba(26,31,36,.04);
}
.card h2 { margin: 0 0 .85rem; font-size: 1.05rem; }
.card h3 { margin: 1rem 0 .5rem; font-size: .95rem; }

label {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  font-size: .85rem;
  color: var(--muted);
  margin-bottom: .7rem;
}
input, select, button {
  font: inherit;
}
input, select {
  padding: .5rem .6rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
}
.row3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .6rem;
}
@media (max-width: 700px) {
  .row3 { grid-template-columns: 1fr; }
}

.hosts-box { margin: .4rem 0 1rem; }
.hosts-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: .4rem;
  font-size: .9rem;
}
.hosts {
  max-height: 220px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: .4rem .55rem;
  background: #fff;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .15rem .5rem;
}
.hosts label {
  flex-direction: row;
  align-items: center;
  gap: .4rem;
  margin: 0;
  font-size: .8rem;
  color: var(--ink);
}
.linkish {
  background: none;
  border: none;
  color: var(--accent2);
  cursor: pointer;
  padding: 0;
  font-size: .8rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin-top: .4rem;
}
button {
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  padding: .5rem .75rem;
  border-radius: 7px;
  cursor: pointer;
}
button.secondary {
  background: #fff;
  color: var(--accent2);
  border-color: var(--accent2);
}
button.danger {
  background: var(--danger);
  border-color: var(--danger);
}
button:disabled { opacity: .5; cursor: not-allowed; }

.stats {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin-bottom: .7rem;
}
.pill {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .25rem .65rem;
  font-size: .8rem;
  background: #fff;
}
.pill.ok { border-color: #b7d9cb; color: var(--ok); }
.pill.warn { border-color: #e6d39a; color: var(--warn); }
.pill.bad { border-color: #e2b4b4; color: var(--danger); }

.table-wrap { overflow: auto; max-height: 360px; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: .82rem;
}
th, td {
  text-align: left;
  padding: .35rem .4rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
th { color: var(--muted); font-weight: 600; position: sticky; top: 0; background: var(--card); }
tr.clickable { cursor: pointer; }
tr.clickable:hover { background: #f7f3ea; }
tr.selected { background: #eaf3ef; }

.code {
  background: #1a1f24;
  color: #e8efe9;
  padding: .75rem;
  border-radius: 8px;
  overflow: auto;
  max-height: 240px;
  font-family: var(--mono);
  font-size: .75rem;
  white-space: pre-wrap;
}
.msg { min-height: 1.2em; font-size: .85rem; color: var(--muted); }
.msg.err { color: var(--danger); }
.msg.ok { color: var(--ok); }
.muted { color: var(--muted); }
.hidden { display: none !important; }