:root {
  --ink: #13212b;
  --muted: #5a6b76;
  --line: #d5dee5;
  --paper: #eef3f6;
  --panel: #ffffff;
  --sidebar: #102029;
  --sidebar-text: #d7e2e8;
  --accent: #1aa890;
  --danger: #c23b3b;
  --font: "Sora", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --shadow: 0 14px 40px rgba(16, 32, 41, 0.08);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
[hidden] { display: none !important; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
}

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  background:
    radial-gradient(800px 400px at 20% 0%, #cfece6, transparent 60%),
    var(--paper);
}
.login-card {
  width: min(400px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.6rem;
  box-shadow: var(--shadow);
  display: grid;
  gap: 0.75rem;
  animation: rise 0.45s ease both;
}
.login-card h1 { margin: 0; letter-spacing: -0.03em; }
.login-card .sub { margin: 0 0 0.4rem; color: var(--muted); font-size: 0.92rem; }
.eyebrow {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.86rem;
  color: var(--muted);
}
input, textarea {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.7rem 0.8rem;
  font: inherit;
  color: var(--ink);
  background: #fff;
}
.error { color: var(--danger); margin: 0; font-size: 0.88rem; }

.app {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}
.sidebar {
  background: var(--sidebar);
  color: var(--sidebar-text);
  padding: 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.brand {
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}
.brand span { color: var(--accent); }
.domain {
  margin: 0 0 0.5rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  opacity: 0.75;
  word-break: break-all;
}
.sidebar nav { display: grid; gap: 0.35rem; flex: 1; }
.nav {
  text-align: left;
  border: 0;
  background: transparent;
  color: inherit;
  padding: 0.7rem 0.8rem;
  border-radius: 10px;
  font: inherit;
  cursor: pointer;
}
.nav.active, .nav:hover { background: rgba(255,255,255,0.08); }
.logout { margin-top: auto; }

.content { padding: 1.4rem 1.5rem 2rem; }
.page-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.page-head h2 { margin: 0; letter-spacing: -0.02em; }
.tools { display: flex; gap: 0.5rem; }

.btn {
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 0.62rem 0.9rem;
  font: inherit;
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
}
.btn.primary { background: var(--accent); color: #072821; }
.btn.ghost { background: #e7eef2; color: var(--ink); border-color: var(--line); }
.btn.danger { background: #f8e8e8; color: var(--danger); border-color: #efcccc; }
.btn.tiny { padding: 0.35rem 0.55rem; font-size: 0.78rem; }

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.stat {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem;
  box-shadow: var(--shadow);
  animation: rise 0.4s ease both;
}
.stat .label { color: var(--muted); font-size: 0.8rem; }
.stat .value { font-size: 1.55rem; font-weight: 700; margin-top: 0.25rem; letter-spacing: -0.03em; }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.panel-head {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--line);
}
.panel-head h3 { margin: 0; font-size: 0.98rem; }
.panel > .muted { padding: 1.25rem; }

.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { padding: 0.75rem 1rem; border-bottom: 1px solid var(--line); text-align: left; }
th { color: var(--muted); font-weight: 500; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; }
tr:hover td { background: #f7fbfa; }
.mono { font-family: var(--mono); font-size: 0.82rem; }
.muted { color: var(--muted); }

.split {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 0.85rem;
}
#boxDetail { padding: 0; min-height: 320px; }
#boxDetail .detail-head {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: start;
}
#boxDetail .detail-head h3 { margin: 0; font-size: 0.95rem; word-break: break-all; }
.msg-row { cursor: pointer; }

.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  padding: 1.15rem;
}
.settings-grid h3 { margin: 0 0 0.7rem; font-size: 1rem; }
.settings-grid .btn { margin-top: 0.65rem; }
.kv { margin: 0; display: grid; gap: 0.45rem; }
.kv div { display: flex; justify-content: space-between; gap: 1rem; font-size: 0.9rem; border-bottom: 1px dashed var(--line); padding-bottom: 0.35rem; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-family: var(--mono); font-size: 0.8rem; text-align: right; }

dialog {
  border: 1px solid var(--line);
  border-radius: 16px;
  width: min(760px, 94vw);
  padding: 0;
}
dialog::backdrop { background: rgba(16, 32, 41, 0.4); }
.dialog-bar {
  margin: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border-bottom: 1px solid var(--line);
}
.dialog-meta {
  margin: 0;
  padding: 0.75rem 1rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  white-space: pre-wrap;
  border-bottom: 1px solid var(--line);
}
.dialog-body {
  padding: 1rem;
  max-height: 55vh;
  overflow: auto;
  white-space: pre-wrap;
  line-height: 1.5;
}
.dialog-body iframe {
  width: 100%;
  min-height: 340px;
  border: 0;
}
.dialog-actions {
  padding: 0.85rem 1rem 1rem;
  display: flex;
  justify-content: flex-end;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { flex-direction: row; flex-wrap: wrap; align-items: center; }
  .sidebar nav { flex-direction: row; display: flex; flex: 1 1 auto; }
  .split { grid-template-columns: 1fr; }
}