:root {
  --bg: #0a0e14;
  --panel: #10151f;
  --panel-2: #151b28;
  --border: #212b3d;
  --text: #e6edf3;
  --muted: #8b98a9;
  --accent: #4cc2ff;
  --accent-2: #9d7bff;
  --ok: #3ddc84;
  --warn: #f5b041;
  --err: #f4645f;
  --mono: ui-monospace, "Cascadia Mono", Consolas, monospace;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 ui-sans-serif, system-ui, "Segoe UI", Roboto, sans-serif;
}
.app { display: flex; min-height: 100vh; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); font-size: 12.5px; }

.side {
  width: 218px;
  flex-shrink: 0;
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 18px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.logo { display: flex; align-items: center; gap: 10px; padding: 2px 8px 18px; }
.logo-mark { width: 30px; height: 30px; flex-shrink: 0; }
.logo-name { font-weight: 700; font-size: 15px; letter-spacing: 0.3px; }
.logo-sub { font-size: 11px; color: var(--muted); }
#nav { display: flex; flex-direction: column; gap: 4px; }
#nav button {
  text-align: left;
  background: transparent;
  color: var(--muted);
  border: 0;
  border-radius: 9px;
  padding: 9px 12px;
  font-size: 13.5px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
#nav button:hover { color: var(--text); background: var(--panel-2); }
#nav button.active {
  color: var(--text);
  background: linear-gradient(90deg, rgba(76,194,255,0.14), rgba(157,123,255,0.14));
  box-shadow: inset 0 0 0 1px rgba(76,194,255,0.25);
}
.side-foot {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: var(--muted);
  padding: 8px;
}
.side-foot .muted { margin-left: auto; }

.main { flex: 1; padding: 26px 30px; max-width: 1150px; min-width: 0; }
.view > h1 { margin: 0 0 4px; font-size: 20px; }
.view .subtitle { color: var(--muted); margin: 0 0 22px; font-size: 13px; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 18px; }
.statcard {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 13px;
  padding: 15px 17px;
}
.statcard .k { font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.statcard .v { font-size: 22px; font-weight: 700; }
.statcard .v small { font-size: 12px; color: var(--muted); font-weight: 400; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 13px;
  padding: 18px;
  margin-bottom: 16px;
}
.card h2 { margin: 0 0 12px; font-size: 14.5px; }
.card h2 .muted { font-weight: 400; font-size: 12.5px; }

.row { display: flex; align-items: center; gap: 10px; }
.row.wrap { flex-wrap: wrap; }
.grow { flex: 1; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.btn {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 8px 14px;
  font-size: 13px;
  cursor: pointer;
  transition: filter 0.15s;
  white-space: nowrap;
}
.btn:hover { filter: brightness(1.25); }
a.btn { text-decoration: none; display: inline-flex; align-items: center; }
.btn.primary {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border: 0;
  color: #06121f;
  font-weight: 600;
}
.btn.small { padding: 5px 10px; font-size: 12px; }
.btn.danger { color: var(--err); }
.btn:disabled { opacity: 0.55; cursor: default; }

label.field { display: block; margin-bottom: 12px; }
label.field span { display: block; font-size: 12px; color: var(--muted); margin-bottom: 5px; }
.input, select.input, textarea.input {
  width: 100%;
  background: #0c1119;
  border: 1px solid var(--border);
  border-radius: 9px;
  color: var(--text);
  padding: 8px 11px;
  font-size: 13px;
  outline: none;
}
.input:focus { border-color: rgba(76,194,255,0.6); }
.input.mono { font-family: var(--mono); font-size: 12.5px; }
select.input option { background: #0c1119; }

.switch { position: relative; display: inline-block; width: 38px; height: 21px; flex-shrink: 0; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .track {
  position: absolute; inset: 0;
  background: #263043;
  border-radius: 20px;
  transition: background 0.18s;
  cursor: pointer;
}
.switch .track::before {
  content: "";
  position: absolute;
  width: 15px; height: 15px;
  left: 3px; top: 3px;
  background: #aab6c8;
  border-radius: 50%;
  transition: transform 0.18s, background 0.18s;
}
.switch input:checked + .track { background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.switch input:checked + .track::before { transform: translateX(17px); background: #fff; }

.badge {
  display: inline-block;
  font-size: 11px;
  color: var(--accent);
  border: 1px solid rgba(76,194,255,0.35);
  background: rgba(76,194,255,0.08);
  border-radius: 6px;
  padding: 1px 7px;
  font-family: var(--mono);
}
.badge.type { color: var(--accent-2); border-color: rgba(157,123,255,0.35); background: rgba(157,123,255,0.08); }
.badge.free { color: var(--ok); border-color: rgba(61,220,132,0.35); background: rgba(61,220,132,0.08); }

.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; flex-shrink: 0; }
.dot.ok { background: var(--ok); box-shadow: 0 0 6px rgba(61,220,132,0.7); }
.dot.warn { background: var(--warn); box-shadow: 0 0 6px rgba(245,176,65,0.7); }
.dot.err { background: var(--err); box-shadow: 0 0 6px rgba(244,100,95,0.7); }
.dot.dim { background: #3a4557; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 5px 12px;
  font-size: 12.5px;
}

.provider-card { background: var(--panel); border: 1px solid var(--border); border-radius: 13px; padding: 18px; margin-bottom: 15px; }
.provider-card .head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.provider-card .head .name { font-weight: 700; font-size: 15px; }
.provider-card .head .spacer { flex: 1; }
.provider-card .fields { display: grid; grid-template-columns: 1.4fr 1fr; gap: 12px; }
.test-result { font-size: 12.5px; margin-left: 8px; }
.test-result.ok { color: var(--ok); }
.test-result.err { color: var(--err); }

.route-row {
  display: flex;
  align-items: center;
  gap: 11px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 13px;
  margin-bottom: 9px;
}
.route-row .num { color: var(--muted); font-size: 12px; width: 18px; }
.route-row .model { font-family: var(--mono); font-size: 12.5px; overflow: hidden; text-overflow: ellipsis; }
.route-row .last-err { font-size: 11.5px; color: var(--err); max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

table.tbl { width: 100%; border-collapse: collapse; font-size: 12.5px; }
table.tbl th {
  text-align: left;
  color: var(--muted);
  font-weight: 500;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0;
  background: var(--panel);
}
table.tbl td { padding: 8px 10px; border-bottom: 1px solid rgba(33,43,61,0.5); vertical-align: top; }
table.tbl tr:hover td { background: rgba(21,27,40,0.5); }
td.okc { color: var(--ok); }
td.errc { color: var(--err); }

.check-item { display: flex; gap: 10px; align-items: baseline; padding: 6px 0; }
.check-item .n { color: var(--accent); font-weight: 700; }

code.snippet {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  background: #0c1119;
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 12px 14px;
  white-space: pre-wrap;
  word-break: break-all;
  color: #b8c4d4;
  margin: 8px 0 0;
}

.overlay {
  position: fixed; inset: 0;
  background: rgba(4, 7, 12, 0.72);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 20px;
}
.modal {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  width: 640px;
  max-width: 100%;
  max-height: 82vh;
  display: flex;
  flex-direction: column;
  padding: 20px;
}
.modal h2 { margin: 0 0 14px; font-size: 16px; }
.modal .body { overflow-y: auto; flex: 1; }
.modal .foot { display: flex; gap: 10px; justify-content: flex-end; margin-top: 14px; align-items: center; }
.model-item {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 10px;
  border-radius: 8px;
  cursor: pointer;
}
.model-item:hover { background: var(--panel-2); }
.model-item input { accent-color: var(--accent); }
.model-item .id { font-family: var(--mono); font-size: 12.5px; overflow: hidden; text-overflow: ellipsis; }
.model-item .ctx { margin-left: auto; color: var(--muted); font-size: 11px; flex-shrink: 0; }

#toasts { position: fixed; right: 18px; bottom: 18px; display: flex; flex-direction: column; gap: 8px; z-index: 100; }
.toast {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  padding: 10px 15px;
  font-size: 13px;
  max-width: 380px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.45);
}
.toast.err { border-left-color: var(--err); }
.toast.ok { border-left-color: var(--ok); }

.playwrap { display: grid; grid-template-columns: 1fr 260px; gap: 16px; height: calc(100vh - 130px); }
.playchat { display: flex; flex-direction: column; min-height: 0; background: var(--panel); border: 1px solid var(--border); border-radius: 13px; }
.pg-msgs { flex: 1; overflow-y: auto; padding: 18px; display: flex; flex-direction: column; gap: 14px; }
.pg-input-row { display: flex; gap: 10px; padding: 14px; border-top: 1px solid var(--border); align-items: flex-end; }
.pg-input-row textarea {
  flex: 1; resize: none; height: 60px;
  background: #0c1119; color: var(--text);
  border: 1px solid var(--border); border-radius: 10px;
  padding: 10px 12px; font: inherit; outline: none;
}
.pg-input-row textarea:focus { border-color: rgba(76,194,255,0.6); }
.pg-side { display: flex; flex-direction: column; gap: 16px; align-content: start; }
.msg { max-width: 78%; padding: 11px 15px; border-radius: 13px; white-space: pre-wrap; word-break: break-word; font-size: 13.5px; }
.msg.user {
  align-self: flex-end;
  background: linear-gradient(90deg, rgba(76,194,255,0.18), rgba(157,123,255,0.18));
  border: 1px solid rgba(76,194,255,0.3);
}
.msg.assistant { align-self: flex-start; background: var(--panel-2); border: 1px solid var(--border); }
.msg.error { border-color: rgba(244,100,95,0.5); color: #ffb9b6; }
.msg .via { margin-top: 8px; font-size: 11px; color: var(--muted); font-family: var(--mono); }
.msg .usage { margin-top: 4px; font-size: 11px; color: var(--muted); }
.msg.streaming::after { content: " \258c"; color: var(--accent); animation: blink 1s infinite; }
.msg .codeblock { margin: 8px 0; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; background: #0a0f16; white-space: normal; }
.msg .cb-head { display: flex; align-items: center; justify-content: space-between; padding: 5px 10px; background: rgba(255,255,255,0.04); border-bottom: 1px solid var(--border); }
.msg .cb-lang { font-family: var(--mono); font-size: 11px; color: var(--muted); text-transform: lowercase; }
.msg .cb-copy { padding: 3px 9px; font-size: 11px; }
.msg .cb-body { margin: 0; padding: 11px 13px; overflow-x: auto; font-family: var(--mono); font-size: 12.5px; line-height: 1.55; white-space: pre; }
.msg code.ic { font-family: var(--mono); font-size: 12.5px; background: rgba(255,255,255,0.07); border: 1px solid var(--border); border-radius: 5px; padding: 1px 5px; }
.msg:has(.codeblock) { max-width: 94%; }
@keyframes blink { 50% { opacity: 0; } }
.msg .typing { display: inline-flex; gap: 5px; align-items: center; padding: 3px 2px; }
.msg .typing span {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  animation: typing-bounce 1.2s infinite ease-in-out;
}
.msg .typing span:nth-child(2) { animation-delay: 0.15s; }
.msg .typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes typing-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.45; }
  30% { transform: translateY(-5px); opacity: 1; }
}

@media (max-width: 900px) {
  .app { flex-direction: column; }
  .side { width: 100%; height: auto; position: static; flex-direction: row; align-items: center; padding: 10px 14px; }
  #nav { flex-direction: row; flex-wrap: wrap; }
  .side-foot { display: none; }
  .playwrap { grid-template-columns: 1fr; height: auto; }
  .pg-msgs { min-height: 300px; max-height: 55vh; }
  .provider-card .fields { grid-template-columns: 1fr; }
}