:root {
  color-scheme: dark;
  --bg: #0b0d0c; --panel: #121513; --line: #262b27; --line-soft: #1b201c;
  --muted: #8b948d; --dim: #6b746d; --green: #b8f34a; --cream: #e8eadf; --red: #ff887f;
  --mono: ui-monospace, SFMono-Regular, Menlo, monospace;
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: var(--bg); color: var(--cream); font: 14px/1.45 Inter, ui-sans-serif, system-ui, sans-serif; }
button, input, select, textarea { font: inherit; }
.hidden { display: none !important; }

/* ---------- Landing ---------- */
.shell { min-height: 100vh; display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 7vw; padding: 7vw; background: radial-gradient(circle at 18% 72%, #1c2518 0, transparent 26%); }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 700; letter-spacing: -.02em; }
.mark { width: 26px; height: 26px; display: grid; place-items: center; border-radius: 6px; color: #0c1008; background: var(--green); font-weight: 900; transform: rotate(-3deg); }
.intro h1 { font-size: clamp(46px, 5.6vw, 82px); line-height: .97; letter-spacing: -.065em; margin: 70px 0 22px; max-width: 800px; }
/* The wordmark completes itself: promptwith me → you → ai. Shared by the app and the site. */
.wordmark { font-weight: 800; letter-spacing: -.055em; }
.cycler { display: inline-block; min-width: 2.1ch; margin-left: .16em; color: var(--green); }
.cycler-word { display: inline-block; will-change: opacity, transform; }
.tagline { margin: -8px 0 18px; color: var(--cream); font-size: 17px; font-weight: 600; }
.intro h1 em { color: var(--green); font-style: normal; }
.intro > p { color: var(--muted); font-size: 17px; max-width: 580px; }
.flow { display: flex; gap: 16px; margin-top: 46px; color: #bbc1bb; align-items: center; }
.flow i { color: var(--green); font-style: normal; }
.card { background: linear-gradient(145deg, #171b18, #101210); border: 1px solid var(--line); border-radius: 16px; padding: 34px; box-shadow: 0 30px 90px #0008; }
.eyebrow { color: var(--green); font-size: 11px; font-weight: 800; letter-spacing: .16em; margin: 0; }
h2 { font-size: 26px; margin: 10px 0 4px; letter-spacing: -.035em; }
.muted, .card label { color: var(--muted); }
.card form { margin-top: 26px; }
label { display: block; margin: 16px 0 6px; font-size: 12px; font-weight: 600; }
label small { display: block; margin-top: 5px; color: var(--dim); font-weight: 400; }
.optional { float: right; color: #667066; font-size: 10px; letter-spacing: .1em; }
input, select, textarea { width: 100%; border: 1px solid #343a35; border-radius: 8px; background: #0c0f0d; color: var(--cream); padding: 10px 12px; outline: none; }
input:focus, select:focus, textarea:focus { border-color: #768d4c; box-shadow: 0 0 0 3px #b8f34a12; }
button { border: 0; border-radius: 8px; padding: 10px 14px; cursor: pointer; font-weight: 700; }
.card button { margin-top: 22px; width: 100%; display: flex; justify-content: space-between; background: var(--green); color: #0b0e09; }
button:disabled { opacity: .55; cursor: wait; }
.error { color: var(--red); min-height: 18px; margin: 8px 0 0; font-size: 13px; }
.fineprint { margin: 18px 0 0; color: var(--dim); font-size: 12px; }
.fineprint a { color: var(--green); text-decoration: none; }
/* Directory field: text entry in the browser, text entry + native picker in the app. */
.field-row { display: flex; gap: 8px; align-items: center; }
.field-row input { flex: 1 1 auto; width: auto; min-width: 0; }
.card .browse { flex: 0 0 auto; width: auto; margin: 0; padding: 10px 13px; background: #1c211c; border: 1px solid var(--line); color: var(--cream); font-weight: 600; font-size: 13px; white-space: nowrap; }
.card .browse:hover { border-color: #768d4c; }
#agent-hint:empty { display: none; }

/* ---------- Chat shell ---------- */
.chat { height: 100vh; display: flex; flex-direction: column; max-width: 1180px; margin: auto; border-inline: 1px solid var(--line); background: #0e110f; }
.chat header { display: flex; align-items: center; gap: 12px; padding: 8px 14px; border-bottom: 1px solid var(--line); }
.room-meta { display: flex; align-items: center; gap: 8px; min-width: 0; }
.room-name { font-weight: 650; letter-spacing: -.01em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.room-meta b { color: var(--green); background: #b8f34a12; padding: 2px 7px; border-radius: 99px; font-size: 11px; }
.badge { padding: 2px 7px; border-radius: 99px; background: #1d231d; color: var(--muted); font-size: 11px; white-space: nowrap; }
.participants { display: flex; gap: 4px; margin-left: auto; }
.me { padding: 3px 9px; border-radius: 99px; background: #1d231d; color: var(--muted); font-size: 11px; font-weight: 600; }
.me:hover { color: var(--cream); }
.participants span { width: 22px; height: 22px; display: grid; place-items: center; border-radius: 99px; background: #262c27; color: var(--muted); font-size: 10px; font-weight: 700; }

/* ---------- Session plan ---------- */
.plan-toggle { margin-left: auto; padding: 3px 9px; border-radius: 99px; background: #1d231d; color: var(--muted); font-size: 11px; font-weight: 700; font-variant-numeric: tabular-nums; }
.plan-toggle:hover { color: var(--cream); }
.plan-toggle.complete { background: #b8f34a1a; color: var(--green); }
.plan { padding: 9px 14px 11px; border-bottom: 1px solid var(--line); background: #101310; }
.plan-head { display: flex; align-items: center; gap: 10px; }
.plan-head strong { font-size: 13px; letter-spacing: -.01em; }
.plan-head .toggle { margin-left: auto; }
.ghost-text { padding: 2px 6px; background: transparent; color: var(--muted); font-size: 11px; font-weight: 600; }
.ghost-text:hover { color: var(--green); }
.plan-goal { margin: 3px 0 8px; color: var(--muted); font-size: 12px; white-space: pre-wrap; }
.plan-goal.empty { color: var(--dim); font-style: italic; }
.tasks { list-style: none; margin: 0; padding: 0; display: grid; gap: 1px; max-height: 190px; overflow-y: auto; scrollbar-width: thin; }
.task { display: flex; align-items: center; gap: 8px; padding: 3px 6px; border-radius: 5px; font-size: 13px; }
.task:hover { background: #171b17; }
.task label { display: flex; align-items: center; gap: 8px; flex: 1; min-width: 0; margin: 0; font-size: 13px; font-weight: 400; color: var(--cream); cursor: pointer; }
.task input { width: auto; padding: 0; accent-color: var(--green); }
.task span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.task.done label span { color: var(--dim); text-decoration: line-through; }
.task-by { color: var(--dim); font-size: 10px; white-space: nowrap; }
.task .ghost { opacity: 0; font-size: 14px; }
.task:hover .ghost { opacity: 1; }
.task.empty { color: var(--dim); font-style: italic; font-size: 12px; }
.task-add { display: flex; gap: 6px; margin-top: 7px; }
.task-add input { padding: 5px 9px; border-radius: 6px; font-size: 12px; }
.task-add button { padding: 5px 12px; background: #262c27; color: var(--muted); font-size: 12px; }
.task-add button:hover { background: var(--green); color: #0b0e09; }
label.inline { display: flex; align-items: center; gap: 7px; margin: 14px 0 0; color: var(--muted); font-size: 12px; cursor: pointer; }
label.inline input { width: auto; padding: 0; accent-color: var(--green); }

.sponsor { display: flex; align-items: baseline; gap: 8px; padding: 5px 14px; border-bottom: 1px solid var(--line-soft); background: #111410; font-size: 12px; }
.sponsor > span { padding: 2px 5px; color: #a3b18e; background: #242b20; border-radius: 3px; font-size: 9px; font-weight: 800; letter-spacing: .1em; }
.sponsor strong { font-size: 12px; font-weight: 650; }
.sponsor p { margin: 0; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sponsor a { margin-left: auto; color: var(--green); font-weight: 700; text-decoration: none; white-space: nowrap; }

.invite { display: flex; align-items: center; gap: 10px; padding: 7px 14px; border-bottom: 1px solid var(--line-soft); background: #b8f34a08; font-size: 12px; }
.invite strong { color: var(--green); white-space: nowrap; }
.invite p { margin: 0; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.copy-row { display: flex; margin-left: auto; min-width: 320px; }
.copy-row input { padding: 5px 9px; border-radius: 6px 0 0 6px; font-family: var(--mono); font-size: 11px; }
.copy-row button { padding: 5px 10px; border-radius: 0 6px 6px 0; background: var(--green); color: #0b0e09; font-size: 12px; }
.ghost { background: transparent; color: var(--muted); padding: 2px 6px; font-size: 16px; line-height: 1; }

.preview-pane { height: min(42vh, 460px); overflow: hidden; display: grid; grid-template-rows: auto 1fr; border-bottom: 1px solid var(--line); background: #fff; }
.preview-pane.collapsed { height: auto; grid-template-rows: auto; }
.preview-pane.collapsed iframe { display: none; }
.preview-bar { display: flex; align-items: center; gap: 8px; padding: 5px 12px; color: var(--muted); background: #151815; font-size: 11px; }
.preview-bar span { color: var(--green); margin-right: auto; }
.preview-bar button { padding: 3px 8px; color: var(--muted); background: #262b27; font-size: 11px; }
.preview-pane iframe { width: 100%; height: 100%; border: 0; background: #fff; }

/* ---------- Tabs ---------- */
.messages-wrap { flex: 1; min-height: 0; display: flex; flex-direction: column; }
.chat-tabs { display: flex; align-items: center; gap: 2px; padding: 0 12px; border-bottom: 1px solid var(--line); }
.tab { display: flex; align-items: center; gap: 6px; background: transparent; color: var(--muted); padding: 7px 11px; border-radius: 0; border-bottom: 2px solid transparent; font-size: 13px; }
.tab.active { color: var(--cream); border-bottom-color: var(--green); }
.count { display: none; min-width: 16px; padding: 0 4px; border-radius: 99px; background: var(--green); color: #0b0e09; font-size: 10px; font-weight: 800; }
.count.on { display: inline-block; }
.toggle { display: flex; align-items: center; gap: 5px; margin: 0 0 0 auto; color: var(--dim); font-size: 11px; font-weight: 500; cursor: pointer; }
.toggle input { width: auto; padding: 0; accent-color: var(--green); }

/* ---------- Message log ---------- */
.messages { flex: 1; min-height: 0; overflow-y: auto; padding: 10px 16px 14px; scrollbar-width: thin; }
.empty { height: 100%; display: grid; place-content: center; text-align: center; color: var(--dim); }
.empty span { display: block; color: var(--green); font-size: 34px; margin-bottom: 6px; }
.empty p { margin: 0; max-width: 34ch; }

.msg { display: grid; grid-template-columns: 84px 1fr; gap: 12px; padding: 3px 0; }
.msg + .msg:not(.cont) { margin-top: 8px; }
.who { color: var(--dim); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; text-align: right; padding-top: 2px; overflow: hidden; text-overflow: ellipsis; }
.msg.assistant .who { color: var(--green); }
.msg.cont .who { visibility: hidden; }
.msg p { white-space: pre-wrap; overflow-wrap: anywhere; margin: 0; }
.msg.failed p { color: var(--red); }

.act { margin: 2px 0 2px 96px; border-left: 2px solid var(--line); border-radius: 0 4px 4px 0; background: #12150f; font-size: 12px; }
.messages.no-activity .act { display: none; }
.act summary { display: flex; align-items: center; gap: 7px; padding: 3px 8px; color: var(--muted); cursor: pointer; list-style: none; white-space: nowrap; overflow: hidden; }
.act summary::-webkit-details-marker { display: none; }
.act summary.bare { cursor: default; }
.act summary:hover { color: var(--cream); }
.act code { font-family: var(--mono); font-size: 11.5px; color: #9fb08a; overflow: hidden; text-overflow: ellipsis; }
.act .dot { flex: none; width: 5px; height: 5px; border-radius: 99px; background: #4d5a3c; }
.act[open] { border-left-color: #46552f; }
.act pre { margin: 0; padding: 6px 10px 8px 22px; white-space: pre-wrap; word-break: break-word; font-family: var(--mono); font-size: 11.5px; color: var(--muted); max-height: 220px; overflow-y: auto; }
.act.failed { background: #1a1210; border-left-color: #5a2f2c; }
.act.failed code { color: var(--red); }
.act.failed .dot { background: var(--red); }

/* ---------- Running notice ---------- */
.run-banner { display: flex; align-items: center; gap: 9px; padding: 6px 14px; border-top: 1px solid #3d4a2a; background: linear-gradient(90deg, #1a2113, #12150f); font-size: 12px; }
.run-title { color: var(--green); font-weight: 700; white-space: nowrap; }
.run-banner code { flex: 1; min-width: 0; font-family: var(--mono); font-size: 11.5px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.run-elapsed { font-variant-numeric: tabular-nums; color: var(--muted); }
.run-queued { padding: 1px 7px; border-radius: 99px; background: #2b3320; color: #c6d9a0; font-size: 11px; white-space: nowrap; }
.pulse { flex: none; width: 7px; height: 7px; border-radius: 99px; background: var(--green); animation: pulse 1.1s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: .35; transform: scale(.72); } }
@media (prefers-reduced-motion: reduce) { .pulse { animation: none; } }

/* ---------- Composer ---------- */
.composer { position: relative; padding: 10px 14px 8px; border-top: 1px solid var(--line); }
.composer textarea { min-height: 40px; max-height: 160px; resize: none; padding: 10px 46px 10px 12px; overflow-y: auto; }
.composer button { position: absolute; right: 21px; top: 17px; width: 28px; height: 28px; display: grid; place-items: center; padding: 0; background: var(--green); color: #0c1008; font-size: 15px; }
.composer small { display: block; color: var(--dim); margin: 5px 2px 0; font-size: 11px; }

@media (max-width: 760px) {
  .shell { grid-template-columns: 1fr; padding: 28px; }
  .intro h1 { margin-top: 40px; } .flow { display: none; } .card { padding: 24px; }
  .sponsor p, .invite p { display: none; }
  .copy-row { min-width: 0; flex: 1; }
  .participants { display: none; }
  .msg { grid-template-columns: 1fr; gap: 0; }
  .who { text-align: left; }
  .msg.cont .who { display: none; }
  .act { margin-left: 0; }
}