:root {
  --bg: #0a0c0e;
  --bg-2: #0d1014;
  --panel: #12151a;
  --panel-2: #171b21;
  --border: #242a33;
  --border-hi: #333b47;
  --text: #d6dce4;
  --muted: #7a8491;
  --dim: #4c5563;
  --amber: #f2a33c;
  --green: #35c98b;
  --red: #e5534b;
  --cyan: #4db3d1;
  --mono: "JetBrains Mono", "Cascadia Code", ui-monospace, "SF Mono", Consolas, monospace;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  font-family: var(--mono);
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  background-image:
    linear-gradient(rgba(255,255,255,.012) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.012) 1px, transparent 1px);
  background-size: 24px 24px;
}

.app { display: flex; min-height: 100vh; }

/* ============================ sidebar ============================ */
.sidebar {
  width: 220px; flex-shrink: 0;
  background: var(--bg-2);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  padding: 16px 10px; position: sticky; top: 0; height: 100vh;
}

.brand {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 8px 18px; border-bottom: 1px solid var(--border); margin-bottom: 14px;
}
.brand-mark {
  width: 34px; height: 34px; flex-shrink: 0;
  display: grid; place-items: center;
  font-family: var(--mono); font-weight: 700; font-size: 15px;
  color: #0a0c0e; background: var(--amber);
  border: 1px solid var(--amber);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-name { font-weight: 700; font-size: 13.5px; letter-spacing: .01em; }
.brand-name .cursor { color: var(--amber); animation: blink 1s step-end infinite; }
.brand-sub { font-size: 10px; color: var(--muted); letter-spacing: .06em; text-transform: uppercase; }

.nav { display: flex; flex-direction: column; gap: 1px; flex: 1; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  background: none; border: none; cursor: pointer;
  color: var(--muted); padding: 8px 10px;
  font-family: var(--mono); font-size: 12.5px; text-align: left;
  border-left: 2px solid transparent;
  transition: color .12s, background .12s, border-color .12s;
}
.nav-item svg { width: 15px; height: 15px; fill: currentColor; flex-shrink: 0; }
.nav-item:hover { background: var(--panel); color: var(--text); }
.nav-item.active {
  background: var(--panel); color: var(--amber);
  border-left-color: var(--amber);
}
.nav-item .nav-tag { margin-left: auto; font-size: 10px; color: var(--dim); }

.sidebar-foot {
  display: flex; align-items: center; gap: 8px;
  padding: 10px; color: var(--muted); font-size: 11px;
  border-top: 1px solid var(--border); font-family: var(--mono);
}
.led { width: 8px; height: 8px; border-radius: 0; flex-shrink: 0; background: var(--dim); }
.led.ok { background: var(--green); box-shadow: 0 0 6px rgba(53,201,139,.7); }
.led.warn { background: var(--amber); box-shadow: 0 0 6px rgba(242,163,60,.7); }
.led.err { background: var(--red); box-shadow: 0 0 6px rgba(229,83,75,.7); }

/* ============================ main ============================ */
.main { flex: 1; padding: 18px 20px; max-width: 1320px; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--border);
}
.topbar h1 { font-size: 17px; font-weight: 700; letter-spacing: .01em; }
.topbar h1::before { content: "▸ "; color: var(--amber); }
.topbar-actions { display: flex; align-items: center; gap: 10px; }
.engine-chip {
  font-size: 11px; background: var(--panel); border: 1px solid var(--border);
  color: var(--muted); padding: 4px 9px;
}
.engine-chip b { color: var(--green); font-weight: 600; }

.view { display: none; }
.view.active { display: block; animation: fade .16s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(3px); } to { opacity: 1; transform: none; } }

/* ============================ buttons ============================ */
.btn {
  border: 1px solid var(--border-hi); background: var(--panel-2);
  color: var(--text); padding: 7px 13px;
  font-family: var(--mono); font-size: 12px; cursor: pointer;
  transition: background .12s, border-color .12s, color .12s;
}
.btn:hover { border-color: var(--amber); color: var(--amber); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--amber); border-color: var(--amber); color: #141006; font-weight: 700; }
.btn-primary:hover { background: #ffb85e; color: #141006; }
.btn-ghost { background: transparent; }
.btn-sm { padding: 5px 10px; font-size: 11.5px; }
.btn-danger { color: var(--red); }
.btn-danger:hover { border-color: var(--red); color: var(--red); }
.link-btn { background: none; border: none; color: var(--cyan); cursor: pointer; font-size: 12px; font-family: var(--mono); }

/* ============================ cards / grid ============================ */
.stats-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px; margin-bottom: 16px;
}
.stat-card {
  background: var(--panel); border: 1px solid var(--border);
  padding: 13px 15px; position: relative; overflow: hidden;
}
.stat-card::before { content: ""; position: absolute; inset: 0 0 0 0; width: 3px; background: var(--amber); }
.stat-label { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: .09em; }
.stat-value { font-size: 26px; font-weight: 700; margin-top: 3px; font-variant-numeric: tabular-nums; }
.stat-value small { font-size: 12px; font-weight: 400; color: var(--muted); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--panel); border: 1px solid var(--border);
  padding: 14px 16px; margin-bottom: 14px;
}
.card-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 13px; gap: 12px; flex-wrap: wrap;
  padding-bottom: 10px; border-bottom: 1px solid var(--border);
}
.card-head h3 { font-size: 13px; font-weight: 700; letter-spacing: .03em; text-transform: uppercase; color: var(--muted); }
.card-head h3::before { content: "# "; color: var(--amber); }
.muted { color: var(--muted); font-size: 11.5px; }
.row-actions { display: flex; gap: 8px; align-items: center; }

/* ============================ tables ============================ */
.table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.table th {
  text-align: left; color: var(--dim); font-weight: 600;
  font-size: 10px; text-transform: uppercase; letter-spacing: .08em;
  padding: 7px 10px; border-bottom: 1px solid var(--border-hi);
}
.table td { padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: rgba(255,255,255,.015); }
.mono { font-family: var(--mono); font-size: 12px; }

.pill {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 10.5px; font-weight: 600; padding: 2px 8px;
  background: var(--panel-2); border: 1px solid var(--border-hi);
  text-transform: uppercase; letter-spacing: .04em;
}
.pill .dot { width: 6px; height: 6px; }
.pill.ok { color: var(--green); border-color: rgba(53,201,139,.4); } .pill.ok .dot { background: var(--green); }
.pill.warn { color: var(--amber); border-color: rgba(242,163,60,.4); } .pill.warn .dot { background: var(--amber); }
.pill.err { color: var(--red); border-color: rgba(229,83,75,.4); } .pill.err .dot { background: var(--red); }
.pill.neutral { color: var(--muted); } .pill.neutral .dot { background: var(--dim); }
.pill.info { color: var(--cyan); border-color: rgba(77,179,209,.4); } .pill.info .dot { background: var(--cyan); }

.mini-table { display: flex; flex-direction: column; gap: 6px; }
.mini-row {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 8px 11px; background: var(--panel-2); border: 1px solid var(--border);
}
.mini-row .k { color: var(--muted); font-size: 11.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mini-row .v { font-size: 11.5px; }
.empty { color: var(--dim); text-align: center; padding: 22px; font-size: 12px; }

/* ============================ activity log ============================ */
.activity-log {
  font-size: 11.5px; max-height: 260px; overflow-y: auto;
  display: flex; flex-direction: column; gap: 3px;
  background: var(--bg-2); border: 1px solid var(--border); padding: 10px 12px;
}
.log-line { color: var(--muted); white-space: pre-wrap; word-break: break-all; }
.log-line .ts { color: var(--dim); }
.log-line .ev { color: var(--green); }
.log-line.warn .ev { color: var(--amber); }
.log-line.err { color: var(--red); }
.log-line.err .ev { color: var(--red); }

/* ============================ playground ============================ */
.playground { display: flex; flex-direction: column; height: calc(100vh - 170px); min-height: 400px; max-height: 760px; }
.playground-chat { flex: 1; display: flex; flex-direction: column; height: 100%; min-height: 0; }
.chat-messages { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 13px; padding-right: 6px; margin-bottom: 13px; min-height: 0; }
.msg { display: flex; gap: 10px; max-width: 88%; }
.msg.user { align-self: flex-end; flex-direction: row-reverse; }
.msg .avatar {
  width: 28px; height: 28px; flex-shrink: 0; display: grid; place-items: center;
  font-size: 11px; font-weight: 700; background: var(--panel-2); border: 1px solid var(--border-hi);
}
.msg.user .avatar { background: var(--amber); border-color: var(--amber); color: #141006; }
.msg .bubble {
  background: var(--panel-2); border: 1px solid var(--border);
  padding: 9px 13px; white-space: pre-wrap; word-break: break-word;
}
.msg.user .bubble { background: #1c1a12; border-color: rgba(242,163,60,.25); }
.msg .role { font-size: 10px; color: var(--dim); text-transform: uppercase; letter-spacing: .07em; margin-bottom: 4px; }
.cursor-blink::after { content: "▊"; color: var(--amber); animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

.chat-compose { border-top: 1px solid var(--border); padding-top: 13px; }
.chat-compose textarea {
  width: 100%; background: var(--bg-2); border: 1px solid var(--border);
  color: var(--text); padding: 10px 12px;
  font-family: var(--mono); font-size: 13px; resize: none; outline: none;
}
.chat-compose textarea:focus { border-color: var(--amber); }
.chat-controls { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; margin-top: 10px; flex-wrap: wrap; }
.chat-options { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; flex: 1 1 320px; min-width: 0; }
.chat-options .field input, .chat-options .field select { min-width: 0; }
#chat-model { width: 180px; }
#chat-account { width: 130px; }
.chat-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

/* ============================ forms ============================ */
.field { display: flex; flex-direction: column; gap: 5px; }
.field span { font-size: 10px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .07em; }
.field input, .field select, .field textarea {
  background: var(--bg-2); border: 1px solid var(--border); color: var(--text);
  padding: 8px 10px; font-size: 12.5px; font-family: var(--mono); outline: none; min-width: 170px;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--amber); }
.field textarea { line-height: 1.6; font-size: 12px; }
.input-sm { background: var(--bg-2); border: 1px solid var(--border); color: var(--text); padding: 7px 9px; font-size: 12px; font-family: var(--mono); outline: none; }
.input-sm:focus { border-color: var(--amber); }
.checkbox-field { display: flex; align-items: center; gap: 7px; font-size: 12.5px; color: var(--muted); font-family: var(--mono); }
.checkbox-field input { accent-color: var(--amber); }

/* toggle switch */
.switch { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; user-select: none; }
.switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.switch-track { position: relative; width: 34px; height: 18px; background: var(--panel-2); border: 1px solid var(--border-hi); border-radius: 999px; flex-shrink: 0; transition: background .18s, border-color .18s; }
.switch-thumb { position: absolute; top: 1px; left: 1px; width: 14px; height: 14px; border-radius: 50%; background: var(--dim); transition: transform .18s, background .18s; }
.switch input:checked + .switch-track { background: rgba(242,163,60,.16); border-color: var(--amber); }
.switch input:checked + .switch-track .switch-thumb { transform: translateX(16px); background: var(--amber); }
.switch-label { font-size: 12px; color: var(--muted); line-height: 1.4; }
.switch input:checked ~ .switch-label { color: var(--text); }
.switch-label small { color: var(--dim); }

.settings-form { display: flex; flex-direction: column; gap: 16px; max-width: 660px; }
.settings-actions { display: flex; align-items: center; gap: 14px; }
.endpoint-box code {
  display: block; background: var(--bg-2); border: 1px solid var(--border);
  padding: 9px 12px; font-size: 12.5px; color: var(--cyan);
  margin: 6px 0 14px; word-break: break-all;
}
.endpoint-box code::before { content: "$ "; color: var(--green); }

/* ============================ logo / modal / extras ============================ */
.brand-mark-img {
  width: 30px; height: 30px; flex-shrink: 0; object-fit: contain;
  filter: drop-shadow(0 0 6px rgba(242,163,60,.4));
}
.table-scroll { overflow-x: auto; }
.grow { flex: 1; min-width: 200px; }
.grow input { width: 100%; }
.dim { color: var(--dim); }
td.ok { color: var(--green); }
td.warn { color: var(--amber); }
td.err { color: var(--red); }

.modal-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(0,0,0,.6); display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(2px);
}
.modal-overlay[hidden] { display: none; }
.modal {
  background: var(--panel); border: 1px solid var(--border-hi);
  width: 420px; max-width: 92vw; max-height: 86vh; overflow-y: auto;
  box-shadow: 0 12px 40px rgba(0,0,0,.6);
}
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 13px 16px; border-bottom: 1px solid var(--border);
}
.modal-head h3 { font-size: 13px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.modal-head h3::before { content: "# "; color: var(--amber); }
.modal-close { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 14px; font-family: var(--mono); }
.modal-close:hover { color: var(--red); }
.modal-body { padding: 16px; }
.modal-actions {
  display: flex; justify-content: flex-end; gap: 8px;
  padding: 13px 16px; border-top: 1px solid var(--border);
}

/* ============================ responsive / compact ============================ */
@media (max-width: 900px) {
  .main { padding: 14px 16px; }
}

@media (max-width: 720px) {
  .app { flex-direction: column; }
  .sidebar {
    width: 100%; height: auto; position: sticky; top: 0; z-index: 50;
    flex-direction: column; gap: 6px; padding: 8px 10px;
    border-right: none; border-bottom: 1px solid var(--border);
  }
  .brand { padding: 2px 4px 6px; margin-bottom: 4px; gap: 8px; border-bottom: none; }
  .brand-sub { display: none; }
  .brand-name { font-size: 12px; }
  .brand-mark-img { width: 22px; height: 22px; }
  .nav { flex-direction: row; flex-wrap: nowrap; overflow-x: auto; gap: 4px; padding-bottom: 2px; }
  .nav-item { white-space: nowrap; flex-shrink: 0; padding: 6px 9px; font-size: 12px; border-left: none; border-bottom: 2px solid transparent; }
  .nav-item.active { border-bottom-color: var(--amber); border-left-color: transparent; }
  .nav-item .nav-tag { display: none; }
  .sidebar-foot { padding: 4px 2px; border-top: none; font-size: 10px; }
  .main { padding: 12px; }
  .topbar { flex-direction: column; align-items: flex-start; gap: 8px; margin-bottom: 14px; }
  .topbar h1 { font-size: 15px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 12px; }
  .stat-card { padding: 10px 12px; }
  .stat-value { font-size: 22px; }
  .grid-2 { gap: 12px; margin-bottom: 12px; }
  .card { padding: 12px; margin-bottom: 12px; }
  .card:has(> .table) { overflow-x: auto; }
  .card-head { margin-bottom: 10px; padding-bottom: 8px; gap: 8px; }
  .table { font-size: 11.5px; }
  .table th { padding: 6px 7px; }
  .table td { padding: 6px 7px; }
  .playground { height: calc(100vh - 150px); min-height: 420px; }
  .chat-controls { flex-direction: column; align-items: stretch; }
  .chat-options { gap: 10px; }
  .msg { max-width: 95%; }
  .settings-form { max-width: 100%; }
  .modal { width: 94vw; }
}

@media (max-width: 480px) {
  .brand-mark-img { width: 20px; height: 20px; }
  .brand-name { font-size: 11px; }
  .nav-item { padding: 5px 7px; font-size: 11px; gap: 6px; }
  .nav-item svg { width: 13px; height: 13px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .stat-value { font-size: 19px; }
  .btn { padding: 6px 10px; font-size: 11.5px; }
  .switch-label small { display: none; }
  .chat-compose textarea { font-size: 12px; padding: 8px 10px; }
  .endpoint-box code { font-size: 11px; }
}

.modal-proxy-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.quota-note { margin-top: 10px; font-size: 11.5px; }

/* ============================ login gate ============================ */
.login-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
}
.login-overlay[hidden] { display: none; }
.login-box {
  width: 360px; max-width: 90vw;
  background: var(--panel); border: 1px solid var(--border-hi);
  padding: 28px 24px; display: flex; flex-direction: column; gap: 14px;
}
.login-box h3 { font-size: 15px; color: var(--amber); letter-spacing: .02em; }
.login-box input {
  background: var(--bg-2); border: 1px solid var(--border); color: var(--text);
  padding: 10px 12px; font-family: var(--mono); font-size: 13px; outline: none;
}
.login-box input:focus { border-color: var(--amber); }

.row-inactive { opacity: .45; }

.msg-ts { float: right; color: var(--dim); font-size: 10px; margin-left: 10px; }
.msg .reasoning {
  background: var(--bg-2); border-left: 2px solid var(--border-hi);
  padding: 7px 10px; margin-bottom: 8px; font-size: 12px; color: var(--muted);
  white-space: pre-wrap; word-break: break-word; max-height: 180px; overflow-y: auto;
}
.msg .content code {
  background: var(--bg-2); border: 1px solid var(--border); padding: 1px 5px;
  font-family: var(--mono); font-size: 12px; border-radius: 3px;
}
.msg .content pre {
  background: var(--bg-2); border: 1px solid var(--border); padding: 9px 11px;
  overflow-x: auto; margin: 6px 0; font-size: 12px;
}
.msg .content pre code { background: none; border: none; padding: 0; }

/* ---- GSuite auto-register (Accounts tab) ---- */
.reg-opts { display: flex; gap: 14px; align-items: flex-end; flex-wrap: wrap; }
.reg-opts .field { flex: 1 1 260px; }
.reg-items { display: flex; flex-direction: column; gap: 8px; margin-top: 4px; }
.reg-item { border: 1px solid var(--border); background: var(--bg-2); }
.reg-item-head {
  display: flex; align-items: center; gap: 10px; padding: 7px 11px;
  cursor: pointer; font-size: 12px;
}
.reg-item-head:hover { background: var(--panel-2); }
.reg-item-head .email { color: var(--text); flex: 1; word-break: break-all; }
.reg-item-head .caret { color: var(--dim); }
.reg-item.pending .dot { background: var(--dim); }
.reg-item.running .dot { background: var(--amber); animation: regpulse 1.1s ease-in-out infinite; }
.reg-item.ok .dot { background: var(--green); }
.reg-item.failed .dot { background: var(--red); }
.reg-item .dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
@keyframes regpulse { 0%,100% { opacity: 1; } 50% { opacity: .3; } }
.reg-item-log {
  border-top: 1px solid var(--border); padding: 8px 11px;
  font-size: 11px; max-height: 220px; overflow-y: auto;
  display: flex; flex-direction: column; gap: 2px;
}
.reg-item-log .ts { color: var(--dim); margin-right: 6px; }
.reg-item-log .l-info { color: var(--muted); }
.reg-item-log .l-ok { color: var(--green); }
.reg-item-log .l-warn { color: var(--amber); }
.reg-item-log .l-err { color: var(--red); }