:root {
  --bg: #0f141a; --bg2: #161d26; --bg3: #1e2733;
  --line: #2a3542; --text: #dbe4ee; --muted: #7f8ea0;
  --accent: #4da3ff; --ok: #3fca7d; --warn: #e6b444; --crit: #ef5b66;
  --mono: ui-monospace, "JetBrains Mono", "Fira Code", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg); color: var(--text);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  display: flex; flex-direction: column;
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); font-size: 12.5px; }

/* top bar */
#topbar {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 16px; background: var(--bg2); border-bottom: 1px solid var(--line);
}
.brand { letter-spacing: .3px; }
.brand b { color: var(--accent); font-weight: 600; }
.spacer { flex: 1; }

/* layout */
#layout { flex: 1; display: flex; min-height: 0; }
#sidebar {
  width: 250px; flex: none; display: flex; flex-direction: column;
  background: var(--bg2); border-right: 1px solid var(--line); padding: 10px;
  gap: 8px;
}
.side-head { display: flex; justify-content: space-between; padding: 2px 4px; font-weight: 600; }
#case-filter {
  background: var(--bg3); border: 1px solid var(--line); color: var(--text);
  border-radius: 6px; padding: 6px 8px; outline: none;
}
#case-list { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 4px; }
.case-item {
  display: flex; align-items: center; gap: 8px; padding: 8px;
  border-radius: 8px; cursor: pointer; border: 1px solid transparent;
}
.case-item:hover { background: var(--bg3); }
.case-item.selected { background: var(--bg3); border-color: var(--accent); }
.case-item .osid { font-family: var(--mono); font-size: 12.5px; }
.case-item .sub { font-size: 11.5px; color: var(--muted); }

.dot { width: 9px; height: 9px; border-radius: 50%; flex: none; display: inline-block; }
.dot.online { background: var(--ok); box-shadow: 0 0 6px var(--ok); }
.dot.offline { background: #55606d; }

main { flex: 1; overflow-y: auto; padding: 18px 22px; min-width: 0; }

h2 { margin: 0 0 4px; font-size: 18px; }
h3 { margin: 18px 0 8px; font-size: 14px; color: var(--muted); text-transform: uppercase; letter-spacing: .6px; }

/* tabs */
.tabs { display: flex; gap: 4px; margin: 14px 0; border-bottom: 1px solid var(--line); }
.tab {
  padding: 8px 14px; cursor: pointer; border: none; background: none; color: var(--muted);
  border-bottom: 2px solid transparent; font: inherit;
}
.tab.active { color: var(--text); border-bottom-color: var(--accent); }

/* panels & tables */
.panel { background: var(--bg2); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 10px; }
.kv { background: var(--bg3); border-radius: 8px; padding: 8px 12px; }
.kv .k { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }
.kv .v { font-family: var(--mono); font-size: 13px; word-break: break-all; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: .5px; }
tr:hover td { background: rgba(255,255,255,.02); }
.table-wrap { overflow-x: auto; }

/* chips */
.chip { padding: 2px 8px; border-radius: 20px; font-size: 11.5px; font-family: var(--mono); white-space: nowrap; }
.chip.succeeded { background: rgba(63,202,125,.15); color: var(--ok); }
.chip.queued   { background: rgba(127,142,160,.15); color: var(--muted); }
.chip.sent     { background: rgba(77,163,255,.15); color: var(--accent); }
.chip.rejected, .chip.failed, .chip.expired { background: rgba(239,91,102,.15); color: var(--crit); }
.chip.timeout, .chip.cancelled { background: rgba(230,180,68,.15); color: var(--warn); }
.chip.info   { background: rgba(127,142,160,.15); color: var(--muted); }
.chip.notice { background: rgba(77,163,255,.15); color: var(--accent); }
.chip.warning { background: rgba(230,180,68,.15); color: var(--warn); }
.chip.critical { background: rgba(239,91,102,.18); color: var(--crit); }

/* buttons & forms */
.btn {
  background: var(--bg3); color: var(--text); border: 1px solid var(--line);
  padding: 7px 13px; border-radius: 7px; cursor: pointer; font: inherit;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #08121e; font-weight: 600; }
.btn.danger { color: var(--crit); }
.btn.danger:hover { border-color: var(--crit); }
.btn.ghost { background: none; }
.btn.small { padding: 4px 9px; font-size: 12.5px; }
.btn:disabled { opacity: .5; cursor: default; }

label { display: flex; flex-direction: column; gap: 4px; font-size: 12.5px; color: var(--muted); }
input, select, textarea {
  background: var(--bg3); border: 1px solid var(--line); color: var(--text);
  border-radius: 6px; padding: 7px 9px; font: inherit; outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
textarea.mono { font-family: var(--mono); font-size: 12.5px; }
.row { display: flex; gap: 10px; align-items: end; flex-wrap: wrap; }
.row > label { flex: 1; min-width: 140px; }
.error-text { color: var(--crit); font-size: 12.5px; min-height: 18px; }

/* login */
.overlay {
  position: fixed; inset: 0; background: rgba(8,12,17,.85); z-index: 50;
  display: flex; align-items: center; justify-content: center;
}
.login-panel { width: 320px; display: flex; flex-direction: column; gap: 12px; }
.login-panel h1 { font-size: 18px; margin: 0 0 6px; }

/* modal */
#modal-root .overlay { z-index: 60; }
.modal { width: min(560px, 92vw); max-height: 86vh; overflow-y: auto; display: flex; flex-direction: column; gap: 12px; }
.modal h2 { font-size: 16px; }
.modal .actions { display: flex; justify-content: flex-end; gap: 8px; }

/* toasts */
#toasts { position: fixed; bottom: 16px; right: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 70; }
.toast {
  background: var(--bg3); border: 1px solid var(--line); border-left: 3px solid var(--accent);
  padding: 10px 14px; border-radius: 8px; max-width: 380px; box-shadow: 0 6px 20px rgba(0,0,0,.4);
}
.toast.err { border-left-color: var(--crit); }
.toast.ok { border-left-color: var(--ok); }

pre.json {
  background: var(--bg); border: 1px solid var(--line); border-radius: 8px;
  padding: 10px; font-family: var(--mono); font-size: 12px; overflow-x: auto; margin: 6px 0;
  white-space: pre-wrap; word-break: break-word;
}
details summary { cursor: pointer; color: var(--accent); font-size: 12.5px; }
.secret-box {
  background: var(--bg); border: 1px dashed var(--warn); border-radius: 8px;
  padding: 10px 12px; font-family: var(--mono); font-size: 13px; word-break: break-all;
}
.note { font-size: 12.5px; color: var(--warn); }