:root {
  color-scheme: dark;
  --ink: #edf5f1;
  --muted: #91a49c;
  --subtle: #8aa497;
  --line: rgba(192, 225, 211, .12);
  --surface: #11191a;
  --surface-2: #162120;
  --surface-3: #1b2926;
  --accent: #6ee7b7;
  --accent-strong: #b4f7d6;
  --danger: #f6a5a5;
  --radius: 14px;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0b1011;
  color: var(--ink);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html { min-width: 320px; background: #0b1011; }
* { scrollbar-width: thin; scrollbar-color: rgba(110,231,183,.32) transparent; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(110,231,183,.28); border-radius: 99px; }
body { margin: 0; min-width: 320px; min-height: 100dvh; background: radial-gradient(circle at 85% -10%, rgba(69, 130, 106, .14), transparent 36rem), #0b1011; }
button, input, textarea, select { font: inherit; }
button, select { cursor: pointer; }
button:disabled, select:disabled { cursor: not-allowed; opacity: .42; }
button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
::selection { background: rgba(110, 231, 183, .28); color: #fff; }

.app-shell { min-height: 100dvh; }
.topbar { height: 72px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; padding: 0 34px; background: rgba(11, 16, 17, .88); backdrop-filter: blur(18px); position: sticky; top: 0; z-index: 4; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); text-decoration: none; letter-spacing: -.03em; font-size: 15px; font-weight: 800; }
.brand-block, .enroll-mark { display: grid; place-items: center; width: 29px; height: 29px; border-radius: 8px; background: var(--accent); color: #0b1913; font: 700 11px/1 "DM Mono", monospace; letter-spacing: -.08em; }
.topbar-meta { display: inline-flex; align-items: center; gap: 10px; color: var(--muted); font-size: 12px; }
.connection-dot, .pulse, .live-badge i { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.connection-dot.is-connecting, .connection-dot.is-reconnecting { background: #f7c66b; }
.connection-dot.is-offline { background: var(--danger); }
.connection-banner { display: flex; align-items: center; justify-content: center; gap: 10px; min-height: 36px; padding: 7px 18px; border-bottom: 1px solid rgba(247,198,107,.22); background: rgba(71,55,26,.5); color: #f7d89a; font-size: 11px; }
.connection-banner .text-button { margin-left: 4px; }
.text-button { border: 0; background: transparent; color: var(--accent); padding: 5px 0; font-size: 12px; }
.text-button:hover { color: var(--accent-strong); }

.body-layout { display: grid; grid-template-columns: 258px minmax(0, 1fr); min-height: calc(100dvh - 72px); max-width: 1600px; margin: 0 auto; }
.rail { border-right: 1px solid var(--line); padding: 34px 18px 24px; display: flex; flex-direction: column; }
.rail-heading, .list-heading, .section-heading, .pane-heading { display: flex; align-items: center; justify-content: space-between; }
.rail-heading { color: var(--muted); font: 500 11px/1 "DM Mono", monospace; letter-spacing: .12em; text-transform: uppercase; padding: 0 12px; }
.count { color: var(--subtle); }
.host-list { display: grid; gap: 6px; margin-top: 18px; }
.host-item { width: 100%; border: 1px solid transparent; background: transparent; color: var(--ink); border-radius: 10px; padding: 12px; display: grid; grid-template-columns: 10px minmax(0, 1fr) 12px; gap: 10px; text-align: left; align-items: center; }
.host-item:hover { background: rgba(255,255,255,.035); }
.host-item.is-selected { background: var(--surface-2); border-color: rgba(110,231,183,.24); }
.host-mark { width: 7px; height: 7px; border-radius: 50%; background: var(--subtle); }
.host-mark.is-online { background: var(--accent); }
.host-copy { min-width: 0; display: grid; gap: 4px; }
.host-copy strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; font-weight: 700; }
.host-copy small, .session-main small { color: var(--muted); font-size: 11px; }
.host-chevron, .session-arrow { color: var(--subtle); display: grid; place-items: center; }
.host-chevron svg, .session-arrow svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.4; }
.rail-foot { margin-top: auto; padding: 18px 12px 0; display: flex; align-items: center; gap: 9px; color: var(--subtle); font: 11px "DM Mono", monospace; }

.workspace { min-width: 0; padding: 0 42px 60px; }
.context-bar { min-height: 86px; border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 28px; }
.context-title { display: grid; gap: 5px; min-width: 180px; }
.context-title strong { font-size: 14px; }
.path { color: var(--muted); font: 11px "DM Mono", monospace; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 320px; }
.eyebrow { color: var(--accent); font: 500 10px/1 "DM Mono", monospace; letter-spacing: .13em; text-transform: uppercase; }
.select-wrap { display: grid; gap: 5px; color: var(--muted); font-size: 11px; margin-left: auto; }
.select-wrap select { min-width: 240px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--ink); padding: 9px 34px 9px 11px; }
.button { border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px; color: var(--ink); background: var(--surface-2); font-size: 12px; font-weight: 700; transition: transform .16s ease, border-color .16s ease, background .16s ease; white-space: nowrap; }
.button:hover:not(:disabled) { transform: translateY(-1px); border-color: rgba(110,231,183,.48); }
.button:active:not(:disabled) { transform: translateY(0) scale(.98); }
.button-primary { background: var(--accent); border-color: var(--accent); color: #092016; }
.button-primary:hover:not(:disabled) { background: var(--accent-strong); }
.button-quiet { background: transparent; color: var(--muted); padding: 8px 12px; }
.button-danger { background: transparent; border-color: rgba(246,165,165,.36); color: var(--danger); }
.button-danger-outline { background: transparent; color: var(--danger); border-color: rgba(246,165,165,.28); }

.hero-strip { min-height: 216px; display: flex; justify-content: space-between; align-items: end; gap: 28px; padding: 48px 0 38px; border-bottom: 1px solid var(--line); }
.hero-strip h1 { max-width: 620px; margin: 13px 0 12px; font-size: clamp(29px, 4vw, 54px); letter-spacing: -.065em; line-height: .98; }
.hero-strip h1 em { color: var(--accent); font-style: normal; }
.hero-strip p { margin: 0; max-width: 490px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.hero-status { min-width: 200px; display: flex; align-items: center; gap: 12px; padding-bottom: 3px; }
.status-ring { width: 28px; height: 28px; border: 1px solid var(--subtle); border-radius: 50%; position: relative; }
.status-ring::after { content: ''; position: absolute; width: 8px; height: 8px; border-radius: 50%; top: 9px; left: 9px; background: var(--subtle); }
.status-ring.is-online { border-color: rgba(110,231,183,.48); }
.status-ring.is-online::after { background: var(--accent); }
.hero-status div { display: grid; gap: 5px; }
.hero-status strong { font-size: 12px; }
.hero-status small { color: var(--muted); font: 10px "DM Mono", monospace; }

.workspace-grid { display: grid; grid-template-columns: minmax(250px, .8fr) minmax(0, 1.35fr); gap: 42px; padding: 36px 0; border-bottom: 1px solid var(--line); }
.pane-heading { align-items: end; margin-bottom: 20px; min-width: 0; }
.pane-heading > div:first-child { min-width: 0; }
.pane-actions { display: inline-flex; align-items: center; gap: 8px; flex-shrink: 0; }
.pane-heading h2, .section-heading h2 { margin: 8px 0 0; font-size: 19px; letter-spacing: -.045em; overflow-wrap: anywhere; }
.session-list { min-width: 0; }
.list-heading { color: var(--muted); font: 11px "DM Mono", monospace; padding-bottom: 9px; }
.session-row { display: grid; grid-template-columns: 8px minmax(0,1fr) 12px; gap: 12px; width: 100%; align-items: center; text-align: left; border: 0; border-top: 1px solid var(--line); background: transparent; padding: 15px 4px; color: var(--ink); }
.session-row:last-child { border-bottom: 1px solid var(--line); }
.session-row:hover, .session-row.is-selected { background: linear-gradient(90deg, rgba(110,231,183,.08), transparent); }
.session-state { width: 7px; height: 7px; border-radius: 50%; background: var(--subtle); }
.session-state.is-running { background: var(--accent); }
.session-main { display: grid; gap: 5px; min-width: 0; }
.session-main strong { font: 12px "DM Mono", monospace; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.feed-list { min-height: 235px; max-height: 350px; overflow: auto; border-top: 1px solid var(--line); }
.feed-item { display: grid; grid-template-columns: 8px minmax(0,1fr); gap: 12px; padding: 14px 2px; border-bottom: 1px solid rgba(192,225,211,.08); }
.feed-dot { width: 7px; height: 7px; margin-top: 5px; border-radius: 50%; background: var(--subtle); }
.feed-message .feed-dot { background: var(--accent); }
.feed-tool .feed-dot { background: #b8c3ff; }
.feed-error .feed-dot { background: var(--danger); }
.feed-item strong { font-size: 11px; }
.feed-item p { margin: 5px 0 0; color: var(--muted); font: 11px/1.6 "DM Mono", monospace; white-space: pre-wrap; word-break: break-word; }
.feed-empty { display: grid; place-items: center; min-height: 235px; color: var(--subtle); font-size: 12px; text-align: center; padding: 30px; }
.prompt-form { margin-top: 20px; display: grid; gap: 8px; }
.prompt-form label, .text-label, .enroll-form label { color: var(--muted); font-size: 11px; }
.prompt-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; align-items: end; }
textarea, input { width: 100%; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--ink); padding: 11px 12px; resize: vertical; }
textarea::placeholder, input::placeholder { color: var(--subtle); }
.waiting-panel { max-width: 580px; padding: 46px 0; }
.waiting-orbit { width: 42px; height: 42px; border: 1px solid rgba(110,231,183,.3); border-radius: 50%; margin-bottom: 22px; position: relative; }
.waiting-orbit::after { content: ''; position: absolute; width: 7px; height: 7px; border-radius: 50%; top: -3px; left: 17px; background: var(--accent); }
.waiting-panel h2, .empty-panel h2 { margin: 0 0 9px; font-size: 18px; letter-spacing: -.04em; }
.waiting-panel p, .empty-panel p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.7; max-width: 450px; }
.empty-panel { padding: 35px 2px; }
.empty-line { display: block; width: 30px; height: 2px; margin-bottom: 22px; background: var(--accent); }
.empty-panel .button { margin-top: 20px; }

.interaction-section { padding-top: 34px; }
.section-heading { align-items: end; margin-bottom: 17px; }
.section-heading h2 span { color: var(--accent); font: 12px "DM Mono", monospace; margin-left: 5px; }
.live-badge { display: inline-flex; align-items: center; gap: 8px; color: var(--accent); font: 10px "DM Mono", monospace; }
.interaction-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; }
.interaction-card { border: 1px solid rgba(110,231,183,.26); border-radius: var(--radius); background: linear-gradient(135deg, rgba(110,231,183,.08), rgba(17,25,26,.9) 48%); padding: 18px; }
.interaction-card.is-processing { opacity: .72; }
.interaction-head { display: flex; justify-content: space-between; color: var(--accent); font: 10px "DM Mono", monospace; }
.interaction-state { color: var(--muted); }
.interaction-card h3 { font-size: 13px; line-height: 1.5; margin: 14px 0 18px; }
.approval-actions { display: flex; gap: 8px; }
.interaction-content { display: grid; gap: 16px; }
.question-field { border: 0; padding: 0; margin: 0; min-width: 0; }
.question-field legend { color: var(--ink); font-size: 12px; font-weight: 700; }
.question-field p { color: var(--muted); font-size: 11px; line-height: 1.6; }
.choices { display: grid; gap: 7px; margin-top: 10px; }
.choice { display: flex; align-items: center; gap: 8px; border: 1px solid var(--line); border-radius: 8px; padding: 9px; color: var(--muted); font-size: 11px; }
.choice:has(input:checked) { border-color: rgba(110,231,183,.5); color: var(--accent-strong); background: rgba(110,231,183,.06); }
.choice input { width: auto; accent-color: var(--accent); }
.text-label { display: grid; gap: 7px; margin-top: 10px; }
.text-label textarea { font-size: 11px; }
.muted { color: var(--subtle); font-size: 11px; line-height: 1.6; }
.skeleton-stack { display: grid; gap: 12px; padding: 20px 0; }
.skeleton-stack span { display: block; height: 52px; border-radius: 9px; background: linear-gradient(90deg, var(--surface), var(--surface-2), var(--surface)); background-size: 200% 100%; animation: shimmer 1.6s infinite; }
@keyframes shimmer { to { background-position: -200% 0; } }
.toast { position: fixed; right: 24px; bottom: 24px; border: 1px solid rgba(110,231,183,.3); border-radius: 9px; background: #13241e; color: var(--accent-strong); padding: 12px 14px; font-size: 12px; box-shadow: 0 14px 40px rgba(0,0,0,.32); z-index: 10; }
.toast-error { border-color: rgba(246,165,165,.35); background: #2a1719; color: var(--danger); }
.toast button { color: inherit; border: 0; background: transparent; margin-left: 12px; }

.enroll-shell { min-height: 100dvh; max-width: 460px; margin: 0 auto; padding: 12vh 24px; }
.enroll-mark { width: 44px; height: 44px; border-radius: 12px; margin-bottom: 34px; font-size: 14px; }
.enroll-shell h1 { margin: 16px 0 12px; font-size: 36px; letter-spacing: -.07em; line-height: 1; }
.enroll-shell > p { color: var(--muted); font-size: 13px; line-height: 1.8; }
.enroll-form { display: grid; gap: 9px; margin-top: 28px; }
.enroll-form input { padding: 14px; }
.enroll-form .button { margin-top: 5px; padding: 13px; }
.form-error { color: var(--danger) !important; }
.enroll-note { color: var(--subtle) !important; font: 11px/1.6 "DM Mono", monospace !important; margin-top: 24px !important; }

@media (max-width: 820px) {
  .topbar { padding: 0 18px; }
  .topbar-meta > span:not(.connection-dot), .topbar-meta .text-button { display: none; }
  .body-layout { display: block; }
  .rail { border-right: 0; border-bottom: 1px solid var(--line); padding: 18px; }
  .host-list { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); margin-top: 12px; }
  .rail-foot { display: none; }
  .workspace { padding: 0 18px 46px; }
  .context-bar { flex-wrap: wrap; gap: 14px; padding: 18px 0; }
  .select-wrap { width: 100%; margin-left: 0; }
  .select-wrap select { width: 100%; }
  .context-bar .button { margin-left: auto; }
  .hero-strip { display: block; padding: 35px 0 28px; }
  .hero-strip h1 { font-size: clamp(34px, 10vw, 52px); }
  .hero-status { margin-top: 25px; }
  .workspace-grid { grid-template-columns: 1fr; gap: 34px; padding: 28px 0; }
}

@media (max-width: 480px) {
  .topbar { height: 62px; }
  .body-layout { min-height: calc(100dvh - 62px); }
  .brand { font-size: 13px; }
  .hero-strip h1 { font-size: 37px; }
  .pane-heading { align-items: start; gap: 14px; }
  .pane-actions { flex-wrap: wrap; justify-content: flex-end; }
  .prompt-row { grid-template-columns: 1fr; }
  .prompt-row .button { width: 100%; }
  .interaction-list { grid-template-columns: 1fr; }
  .toast { left: 16px; right: 16px; bottom: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
}