:root {
  --bg: #f5f6f9; --bg-2: #eceef4; --panel: #fff; --sidebar: #fbfbfd;
  --border: #e3e5ef; --border-strong: #cdd0de;
  --text: #1a1c28; --muted: #5d6178; --faint: #8a8ea6;
  --accent: #b46a05; --accent-bright: #f5a623; --accent-soft: rgba(245,166,35,.12);
  --danger: #c0392b; --ok: #1c7c4a;
  --radius: 14px; --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(20,22,40,.04), 0 4px 16px rgba(20,22,40,.05);
  --sidebar-w: 244px;
  --mono: ui-monospace, SFMono-Regular, Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1016; --bg-2: #15161f; --panel: #191b26; --sidebar: #14151d;
    --border: #2a2c3a; --border-strong: #3a3d4f;
    --text: #edeef2; --muted: #a3a7bd; --faint: #767a92;
    --accent: #f5a623; --accent-bright: #f5a623; --accent-soft: rgba(245,166,35,.12);
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 4px 18px rgba(0,0,0,.35);
  }
}
:root[data-theme="dark"] {
  --bg: #0f1016; --bg-2: #15161f; --panel: #191b26; --sidebar: #14151d;
  --border: #2a2c3a; --border-strong: #3a3d4f;
  --text: #edeef2; --muted: #a3a7bd; --faint: #767a92;
  --accent: #f5a623; --accent-bright: #f5a623; --accent-soft: rgba(245,166,35,.12);
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 4px 18px rgba(0,0,0,.35);
}
:root[data-theme="light"] {
  --bg: #f5f6f9; --bg-2: #eceef4; --panel: #fff; --sidebar: #fbfbfd;
  --border: #e3e5ef; --border-strong: #cdd0de;
  --text: #1a1c28; --muted: #5d6178; --faint: #8a8ea6;
  --shadow: 0 1px 2px rgba(20,22,40,.04), 0 4px 16px rgba(20,22,40,.05);
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body { font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg); color: var(--text); -webkit-font-smoothing: antialiased; }
h1 { font-size: 22px; margin: 0; letter-spacing: -.02em; }
h2 { font-size: 16px; margin: 0 0 4px; letter-spacing: -.01em; }
.muted { color: var(--muted); font-size: 13px; }
.faint { color: var(--faint); }
.empty { padding: 10px 0; }

/* ===== Shell: sidebar + content ===== */
.shell { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w); flex: none; position: sticky; top: 0; align-self: flex-start;
  height: 100vh; display: flex; flex-direction: column; gap: 6px;
  background: var(--sidebar); border-right: 1px solid var(--border); padding: 18px 14px;
}
.brand { display: flex; align-items: center; gap: 9px; font-weight: 700; letter-spacing: -.01em;
  padding: 6px 8px 14px; }
.brand-lg { font-size: 20px; justify-content: center; margin-bottom: 6px; padding: 0; }
.lamp { width: 12px; height: 12px; border-radius: 50%; background: var(--accent-bright);
  box-shadow: 0 0 0 4px var(--accent-soft); flex: none; }

/* Nav */
.tabs { display: flex; flex-direction: column; gap: 2px; }
.tab { display: flex; align-items: center; gap: 11px; width: 100%; text-align: left;
  border: none; background: transparent; color: var(--muted); font: inherit; font-size: 14px; font-weight: 500;
  padding: 9px 11px; border-radius: var(--radius-sm); cursor: pointer; position: relative;
  transition: background .12s, color .12s; }
.tab svg { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; opacity: .9; }
.tab:hover { background: var(--bg-2); color: var(--text); }
.tab[aria-current="true"] { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.tab[aria-current="true"]::before { content: ""; position: absolute; left: -14px; top: 50%;
  transform: translateY(-50%); width: 3px; height: 20px; border-radius: 0 3px 3px 0; background: var(--accent-bright); }

/* Sidebar footer / user */
.side-foot { margin-top: auto; padding-top: 12px; border-top: 1px solid var(--border); }
.user { display: flex; align-items: center; gap: 9px; font-size: 13px; color: var(--muted);
  padding: 6px 4px; }
.user img { width: 30px; height: 30px; border-radius: 50%; flex: none; background: var(--bg-2); }
.user .user-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  color: var(--text); font-weight: 500; }
#signout { padding: 6px; display: inline-flex; }
#signout svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 2;
  stroke-linecap: round; stroke-linejoin: round; }

/* ===== Content ===== */
main { flex: 1; min-width: 0; }
.app { max-width: 1120px; margin: 0 auto; padding: 30px 30px 80px; }
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px;
  margin-bottom: 22px; }
.page-head .muted { margin: 4px 0 0; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; box-shadow: var(--shadow); }
.card-head { display: flex; align-items: center; justify-content: space-between; }

/* ===== Login ===== */
.login { display: grid; place-items: center; min-height: 100vh; padding: 24px; }
.login-card { max-width: 420px; text-align: center; padding: 38px 32px; }
.gbtn { display: flex; justify-content: center; margin-top: 16px; min-height: 44px; }
.notice { margin-top: 14px; text-align: left; background: var(--accent-soft);
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm); padding: 12px 14px; font-size: 13px; }

/* ===== Forms ===== */
form label { display: block; font-size: 13px; font-weight: 600; margin-top: 12px; }
input[type=text], input[type=number], textarea, .select {
  width: 100%; margin-top: 5px; padding: 9px 11px; font: inherit; color: var(--text);
  background: var(--bg); border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  transition: border-color .12s, box-shadow .12s; }
input[type=text]:focus, input[type=number]:focus, textarea:focus, .select:focus {
  outline: none; border-color: var(--accent-bright); box-shadow: 0 0 0 3px var(--accent-soft); }
textarea { resize: vertical; }
.row { display: flex; gap: 12px; } .row > label { flex: 1; }
fieldset { border: 1px solid var(--border); border-radius: var(--radius-sm); margin: 16px 0 0; padding: 12px 14px; }
legend { font-size: 13px; font-weight: 600; padding: 0 6px; }

/* ===== Buttons ===== */
.btn { font: inherit; cursor: pointer; border-radius: var(--radius-sm); border: 1px solid transparent;
  padding: 9px 15px; transition: background .12s, border-color .12s, color .12s, opacity .12s; }
.btn-primary { background: var(--accent-bright); color: #1a1300; font-weight: 700; border: none; margin-top: 16px; }
.btn-primary:hover { filter: brightness(1.05); }
.btn-primary:disabled { opacity: .55; cursor: not-allowed; }
.btn-ghost { background: transparent; color: var(--muted); border: 1px solid var(--border-strong); padding: 6px 12px; }
.btn-ghost:hover { color: var(--text); border-color: var(--faint); }
.btn-danger { color: var(--danger); border-color: var(--border-strong); background: transparent; padding: 5px 11px; font-size: 13px; }
.btn-danger:hover { border-color: var(--danger); background: rgba(192,57,43,.08); }

/* ===== Tool picker (create form) ===== */
.tool-picker { display: flex; flex-direction: column; gap: 12px; margin-top: 4px; }
.tp-group > .tp-group-title { font-size: 12px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .04em; color: var(--faint); margin-bottom: 6px; }
.tp-tools { display: flex; flex-wrap: wrap; gap: 7px; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 6px 11px; font-size: 13px;
  border: 1px solid var(--border-strong); border-radius: 999px; cursor: pointer; user-select: none;
  transition: border-color .12s, background .12s; }
.chip input { accent-color: var(--accent); margin: 0; }
.chip:hover { border-color: var(--accent); }
.chip:has(input:checked) { border-color: var(--accent-bright); background: var(--accent-soft); color: var(--accent); }

/* ===== Agent list ===== */
.agent { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 15px 16px; margin-bottom: 12px;
  transition: border-color .12s, box-shadow .12s; }
.agent:hover { border-color: var(--border-strong); }
.agent h3 { margin: 0 0 2px; font-size: 15px; }
.agent .a-desc { color: var(--muted); font-size: 13px; margin: 0 0 8px; }
.agent .tags { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 10px; }
.tag { font-size: 11px; padding: 2px 8px; border-radius: 999px; background: var(--bg-2); color: var(--muted); }
.agent .a-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.pill { font-size: 12px; padding: 3px 10px; border-radius: 999px; font-weight: 600; }
.pill-ok { background: rgba(28,124,74,.14); color: var(--ok); }

/* ===== Connectors tab ===== */
.connector { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 15px 16px; margin-bottom: 12px; }
.connector h3 { margin: 0 0 8px; font-size: 15px; display: flex; align-items: center; gap: 8px; }
.connector .count { font-size: 12px; color: var(--faint); font-weight: 400; }
.tool-row { display: flex; gap: 10px; padding: 8px 0; border-top: 1px solid var(--border); }
.tool-row:first-of-type { border-top: none; }
.tool-row .t-name { font-family: var(--mono); font-size: 13px; color: var(--accent); min-width: 190px; }
.tool-row .t-desc { font-size: 13px; color: var(--muted); }

/* ===== Chat ===== */
.chat-card { display: flex; flex-direction: column; }
.chat-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.chat-head .select { width: auto; min-width: 180px; margin: 0; }
.stream-toggle { font-size: 13px; color: var(--muted); display: inline-flex; gap: 5px; align-items: center; }
.chat-log { margin: 14px 0; height: 420px; overflow-y: auto; padding: 16px;
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); }
.msg { margin-bottom: 14px; }
.msg .role { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--faint); margin-bottom: 2px; }
.msg.user .role { color: var(--accent); }
.msg .body { white-space: pre-wrap; word-break: break-word; }
.event { font-family: var(--mono); font-size: 12px; color: var(--faint); padding: 2px 0; }
.event.tool { color: var(--accent); }
.chat-input { display: flex; gap: 10px; }
.chat-input input { flex: 1; margin: 0; }
.chat-input .btn { margin: 0; }

/* ===== Runs & schedules ===== */
.run, .sched { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px 15px; margin-bottom: 10px; }
.run:hover, .sched:hover { border-color: var(--border-strong); }
.run-head { display: flex; justify-content: space-between; gap: 10px; cursor: pointer; align-items: center; }
.run .r-meta { font-size: 12px; color: var(--faint); font-family: var(--mono); }
.badge { font-size: 11px; padding: 2px 8px; border-radius: 999px; font-weight: 600; }
.badge.ok { background: rgba(28,124,74,.14); color: var(--ok); }
.badge.err { background: rgba(192,57,43,.14); color: var(--danger); }
.run-detail { margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--border);
  font-family: var(--mono); font-size: 12px; white-space: pre-wrap; color: var(--muted);
  max-height: 320px; overflow: auto; }

/* ===== Toast ===== */
#toast { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%);
  background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: var(--radius-sm); font-size: 14px;
  opacity: 0; transition: opacity .2s; pointer-events: none; z-index: 50; max-width: 90vw; box-shadow: var(--shadow); }
#toast.show { opacity: .97; }
#toast.err { background: var(--danger); color: #fff; }

/* ===== Responsive: sidebar becomes a top bar ===== */
@media (max-width: 860px) {
  .shell { flex-direction: column; }
  .sidebar { width: auto; height: auto; position: sticky; top: 0; z-index: 20;
    flex-direction: row; align-items: center; gap: 8px; padding: 10px 14px;
    border-right: none; border-bottom: 1px solid var(--border); overflow-x: auto; }
  .brand { padding: 0 4px 0 0; white-space: nowrap; }
  .tabs { flex-direction: row; gap: 4px; }
  .tab { padding: 8px 12px; }
  .tab span { display: none; }
  .tab[aria-current="true"]::before { display: none; }
  .side-foot { margin: 0 0 0 auto; padding: 0; border-top: none; }
  .user .user-name { display: none; }
  .app { padding: 22px 18px 72px; }
  .grid { grid-template-columns: 1fr; }
}

[hidden] { display: none !important; }