:root {
  --bg0: #0c1210;
  --bg1: #14201c;
  --mint: #3ecf8e;
  --ink: #e8f5ef;
  --muted: #8aa89a;
  --line: rgba(62, 207, 142, 0.18);
  --danger: #ff6b6b;
  --card: rgba(20, 32, 28, 0.92);
  --font: "Figtree", system-ui, sans-serif;
  --display: "Syne", sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(900px 500px at 10% -10%, rgba(62, 207, 142, 0.18), transparent 55%),
    radial-gradient(700px 400px at 100% 0%, rgba(40, 120, 90, 0.2), transparent 50%),
    linear-gradient(165deg, var(--bg0), var(--bg1));
}

.login-wrap {
  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: 16px;
  padding: 1.5rem;
  display: grid;
  gap: 0.75rem;
}
.login-card h1 {
  font-family: var(--display);
  margin: 0;
  font-size: 1.6rem;
}
.login-card p { margin: 0; color: var(--muted); font-size: 0.95rem; }
label { display: grid; gap: 0.35rem; font-size: 0.85rem; color: var(--muted); }
input, textarea, button {
  font: inherit;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #0a100e;
  color: var(--ink);
  padding: 0.65rem 0.75rem;
}
button {
  background: var(--mint);
  color: #062117;
  font-weight: 700;
  cursor: pointer;
  border: none;
}
.err { color: var(--danger); min-height: 1.2em; margin: 0; }

.top {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.2rem;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 14, 12, 0.7);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 5;
}
.top strong { font-family: var(--display); }
.top nav { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.tab {
  background: transparent;
  color: var(--muted);
  border: 1px solid transparent;
  padding: 0.45rem 0.7rem;
}
.tab.on, .tab:hover {
  color: var(--ink);
  border-color: var(--line);
  background: rgba(62, 207, 142, 0.08);
}
#logout { background: transparent; color: var(--muted); border: 1px solid var(--line); }

main { padding: 1.25rem; max-width: 1200px; margin: 0 auto; }
.panel { display: none; }
.panel.on { display: block; }
.panel h2 { font-family: var(--display); margin: 0 0 1rem; }
.panel h3 { margin: 1.5rem 0 0.75rem; font-family: var(--display); }
.hint { color: var(--muted); font-size: 0.92rem; }

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
}
.stat {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.9rem;
  background: var(--card);
}
.stat span { display: block; color: var(--muted); font-size: 0.8rem; }
.stat strong { font-size: 1.35rem; font-family: var(--display); }

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.75rem;
  align-items: end;
  max-width: 900px;
}
.form-grid .full { grid-column: 1 / -1; }
.form-grid .check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink);
}
.table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
th, td { padding: 0.55rem 0.65rem; text-align: left; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; background: rgba(0,0,0,0.25); }
td button { padding: 0.3rem 0.5rem; font-size: 0.8rem; }

.chat-log {
  max-height: 60vh;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.75rem;
  background: var(--card);
  display: grid;
  gap: 0.55rem;
}
.chat-item { font-size: 0.9rem; }
.chat-item.flag { border-left: 3px solid var(--danger); padding-left: 0.5rem; }
.chat-item .meta { color: var(--muted); font-size: 0.75rem; }

.alert-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.5rem; }
.alert-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.7rem 0.85rem;
  background: var(--card);
}