/* CrossTalk Cockpit */

/* Tokens mirror :root in site.css so the cockpit and landing page match. */
:root {
  --bg: #ffffff;
  --bg-alt: #f9fafb;
  --surface: #ffffff;
  --text: #111111;
  --text-2: #374151;
  --muted: #6b7280;
  --border: #e5e7eb;
  --border-strong: #d1d5db;
  --btn-bg: #111111;
  --btn-fg: #ffffff;
  --btn-hover: #2b2b2b;
  --green: #16a34a;
  --amber: #d97706;
  --red: #dc2626;
  --red-bg: #fef2f2;
  --radius: 12px;
  --display: "Cal Sans", "Inter", system-ui, sans-serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0a0a0a;
    --bg-alt: #111111;
    --surface: #141414;
    --text: #f5f5f5;
    --text-2: #d4d4d4;
    --muted: #a3a3a3;
    --border: #262626;
    --border-strong: #3a3a3a;
    --btn-bg: #f5f5f5;
    --btn-fg: #0a0a0a;
    --btn-hover: #d4d4d4;
    --red-bg: #2a1213;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0a0a0a;
  --bg-alt: #111111;
  --surface: #141414;
  --text: #f5f5f5;
  --text-2: #d4d4d4;
  --muted: #a3a3a3;
  --border: #262626;
  --border-strong: #3a3a3a;
  --btn-bg: #f5f5f5;
  --btn-fg: #0a0a0a;
  --btn-hover: #d4d4d4;
  --red-bg: #2a1213;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 var(--sans);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--display); font-weight: 600; margin: 0; letter-spacing: -0.01em; }
a { color: inherit; }
code, .mono { font-family: var(--mono); }
.muted { color: var(--muted); }
[hidden] { display: none !important; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* ---------- Controls ---------- */

.input {
  width: 100%;
  min-width: 0;
  padding: 8px 12px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.input.mono { font-family: var(--mono); font-size: 13px; }
.input:focus { border-color: var(--text); box-shadow: 0 0 0 3px color-mix(in srgb, var(--text) 10%, transparent); }
.input::placeholder { color: var(--muted); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 16px;
  border: 1px solid transparent;
  border-radius: 999px;
  font: 500 14px/1.2 var(--sans);
  cursor: pointer;
  white-space: nowrap;
  transition: background .15s, border-color .15s, opacity .15s;
}
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-primary { background: var(--btn-bg); color: var(--btn-fg); }
.btn-primary:not(:disabled):hover { background: var(--btn-hover); }
.btn-ghost { background: var(--bg); color: var(--text); border-color: var(--border); }
.btn-ghost:not(:disabled):hover { background: var(--bg-alt); border-color: var(--border-strong); }
.btn-sm { padding: 4px 12px; font-size: 13px; }
.btn-block { width: 100%; }

.segmented {
  display: flex;
  padding: 3px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 999px;
}
.segmented label { flex: 1; cursor: pointer; }
.segmented input { position: absolute; opacity: 0; pointer-events: none; }
.segmented span {
  display: block; text-align: center; padding: 4px 8px;
  border-radius: 999px; font-size: 13px; color: var(--muted);
}
.segmented input:checked + span { background: var(--surface); color: var(--text); box-shadow: 0 0 0 1px var(--border); }
.segmented input:focus-visible + span { outline: 2px solid var(--text); outline-offset: 1px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
}
.stack { display: flex; flex-direction: column; gap: 10px; }
.card h3 { font-size: 15px; }

/* ---------- Top bar ---------- */

.topbar {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
}
.topbar-left { display: flex; align-items: center; gap: 12px; }
.back-link { text-decoration: none; color: var(--muted); font-weight: 500; }
.back-link:hover { color: var(--text); }
.topbar-divider { width: 1px; height: 18px; background: var(--border); }
.topbar-title { font-size: 18px; }

.topbar-right { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.settings { position: relative; }
.settings summary { list-style: none; }
.settings summary::-webkit-details-marker { display: none; }
.settings-panel {
  position: absolute; right: 0; top: calc(100% + 8px); z-index: 20;
  width: min(380px, calc(100vw - 32px));
  box-shadow: 0 12px 32px rgba(0, 0, 0, .12);
}
.field { display: flex; flex-direction: column; gap: 6px; font-size: 13px; font-weight: 500; }
.check { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-2); cursor: pointer; }
.limits summary { cursor: pointer; }
.limits-grid { display: grid; gap: 10px; margin-top: 10px; }

.welcome { flex: 1; overflow-y: auto; display: flex; flex-direction: column; align-items: center; gap: 14px; padding: 48px 24px; text-align: center; }
.welcome h2 { font-size: 26px; }
.welcome > p { margin: 0; max-width: 560px; }
.welcome-name { width: 100%; max-width: 320px; text-align: left; }
.welcome-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; width: 100%; max-width: 640px; text-align: left; }

.join-inline { display: flex; gap: 6px; }
.join-inline .input { flex: 1; min-width: 0; padding: 6px 10px; font-size: 12px; }

.invite { margin: 16px 20px 0; padding: 14px 16px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-alt); }
.invite-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.invite-head h3 { font-size: 15px; }
.invite-steps { margin: 0 0 8px; padding-left: 18px; display: flex; flex-direction: column; gap: 10px; }
.invite-lead { font-size: 13px; color: var(--text-2); }
.invite .notice-cmd { flex: 1; min-width: 0; overflow-wrap: anywhere; }
/* The full invite keeps its line breaks and scrolls rather than filling the panel. */
.invite .invite-full { white-space: pre-wrap; max-height: 9.5em; overflow-y: auto; }
#questions-toggle { margin-top: 8px; }
.question-answer { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.question-answer .input { flex: 1; min-width: 0; padding: 4px 8px; font-size: 13px; }

.status-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 13px; font-weight: 500;
  white-space: nowrap;
}
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.status-pill[data-state="connected"] .status-dot { background: var(--green); }
.status-pill[data-state="connecting"] .status-dot,
.status-pill[data-state="reconnecting"] .status-dot { background: var(--amber); }
.status-pill[data-state="error"] .status-dot { background: var(--red); }

.notice {
  margin: 12px 20px 0;
  padding: 10px 14px;
  border: 1px solid color-mix(in srgb, var(--red) 35%, var(--border));
  background: var(--red-bg);
  color: var(--text);
  border-radius: var(--radius);
  font-size: 13px;
}

.notice-row { display: flex; align-items: center; gap: 8px; margin-top: 8px; flex-wrap: wrap; }
.notice-cmd {
  flex: 1; min-width: 0;
  padding: 6px 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  font: 12px/1.5 var(--mono);
  overflow-wrap: anywhere;
  user-select: all;
}

/* ---------- Layout ---------- */

.layout {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr) 300px;
}

.pane { min-height: 0; overflow-y: auto; padding: 16px; }
.pane-left { border-right: 1px solid var(--border); background: var(--bg-alt); display: flex; flex-direction: column; gap: 14px; }
.pane-right { border-left: 1px solid var(--border); background: var(--bg-alt); }
.pane-main { display: flex; flex-direction: column; padding: 0; overflow: hidden; }

.pane-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.pane-head h2 { font-size: 15px; }
.pane-right .pane-head:not(:first-child) { margin-top: 20px; }
.count { color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.empty-hint { margin: 0; color: var(--muted); font-size: 13px; }

/* ---------- Channel list ---------- */

.channel-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.channel-item {
  display: flex; align-items: center; gap: 8px;
  width: 100%;
  padding: 7px 10px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: none;
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.channel-item:hover { background: var(--surface); border-color: var(--border); }
.channel-item.active { background: var(--surface); border-color: var(--border-strong); font-weight: 500; }
.channel-item .hash { color: var(--muted); font-family: var(--mono); }
.channel-item .name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.channel-item .meta { color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.tag {
  font-size: 11px; font-weight: 500; line-height: 1;
  padding: 3px 7px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
}
.tag.joined { color: var(--text); border-color: var(--border-strong); }

.form-hint { margin: 0; font-size: 12px; line-height: 1.45; }
.directory { border-top: 1px solid var(--border); padding-top: 12px; }
.directory summary { cursor: pointer; font: 600 15px/1.4 var(--display); list-style-position: inside; margin-bottom: 8px; }
.directory .btn { margin-top: 8px; }
.channel-item .label-wrap { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.channel-item .label-wrap .name { flex: none; }
.channel-item .addr { color: var(--muted); font: 11px/1.2 var(--mono); }

/* ---------- Conversation ---------- */

.channel-header {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
}
.channel-header-text { min-width: 0; }
.channel-header h2 { font-size: 18px; }
.channel-header p { margin: 2px 0 0; font-size: 13px; }
.channel-header-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.invite-box {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 3px 4px 3px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 13px;
}
.invite-box code { font-size: 12px; user-select: all; }

.messages { flex: 1; min-height: 0; overflow-y: auto; padding: 16px 20px; display: flex; flex-direction: column; gap: 14px; }
.messages:empty { display: none; }

.msg { display: flex; flex-direction: column; gap: 2px; max-width: 760px; }
.msg-head { display: flex; align-items: baseline; gap: 8px; }
.msg-author { font-weight: 600; }
.msg-time { color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.msg-body { white-space: pre-wrap; overflow-wrap: anywhere; }
.msg.mine .msg-author::after { content: ' (you)'; color: var(--muted); font-weight: 400; }
.msg-system { color: var(--muted); font-size: 13px; text-align: center; align-self: center; }
.msg-shorthand {
  display: inline-block;
  margin-top: 4px;
  padding: 4px 10px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  font: 12px/1.5 var(--mono);
  overflow-wrap: anywhere;
}

.main-empty { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; padding: 40px 24px; text-align: center; }
.main-empty h2 { font-size: 22px; }
.main-empty p { margin: 0; max-width: 420px; }

.composer {
  display: flex; align-items: flex-end; gap: 8px;
  padding: 12px 20px 16px;
  border-top: 1px solid var(--border);
}
.composer textarea { resize: none; max-height: 160px; line-height: 1.5; overflow-y: auto; scrollbar-width: thin; height: 40px; }

/* ---------- Members & locks ---------- */

.member-list, .lock-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }

.member {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 10px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.avatar {
  flex: none;
  width: 28px; height: 28px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--text); color: var(--bg);
  font-size: 12px; font-weight: 600;
}
.member-info { min-width: 0; flex: 1; }
.member-name { font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.member-sub { color: var(--muted); font-size: 12px; overflow-wrap: anywhere; }
.member-task { font-size: 12px; margin-top: 2px; overflow-wrap: anywhere; }
.badge-status { font-size: 11px; padding: 2px 7px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); }
.badge-status[data-status="working"] { color: var(--green); border-color: color-mix(in srgb, var(--green) 40%, var(--border)); }
.badge-status[data-status="waiting"] { color: var(--amber); border-color: color-mix(in srgb, var(--amber) 40%, var(--border)); }

.lock {
  padding: 10px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.lock-file { font: 500 12px/1.4 var(--mono); overflow-wrap: anywhere; }
.lock-meta { display: flex; justify-content: space-between; gap: 8px; color: var(--muted); font-size: 12px; margin-top: 4px; }
.lock-ttl { font-variant-numeric: tabular-nums; white-space: nowrap; }
.lock-ttl.soon { color: var(--amber); }
.lock-reason { font-size: 12px; margin-top: 4px; overflow-wrap: anywhere; }
.question { border-color: var(--amber); }
.question-text { font-size: 13px; overflow-wrap: anywhere; }
#question-hint code { font: 12px var(--mono); }

/* ---------- Footer ---------- */

.footer {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 10px 20px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px;
}
.footer a { text-decoration: none; color: var(--text); }
.footer a:hover { text-decoration: underline; }

/* ---------- Responsive ---------- */

@media (max-width: 1100px) {
  .layout { grid-template-columns: 260px minmax(0, 1fr); }
  .pane-right { grid-column: 1 / -1; border-left: 0; border-top: 1px solid var(--border); }
}

@media (max-width: 760px) {
  .topbar { padding: 12px 16px; }
  .topbar-right { flex-wrap: wrap; margin-left: 0; }
  .welcome { padding: 32px 16px; }
  .welcome-cards { grid-template-columns: minmax(0, 1fr); }
  .invite { margin: 12px 16px 0; }
  .notice { margin: 12px 16px 0; }
  body { height: auto; min-height: 100%; }
  .layout { display: flex; flex-direction: column; }
  .pane { overflow: visible; }
  .pane-left { border-right: 0; border-bottom: 1px solid var(--border); }
  .pane-main { min-height: 60vh; }
  .messages { max-height: 70vh; padding: 16px; }
  .channel-header, .composer { padding-left: 16px; padding-right: 16px; }
  .footer { padding: 10px 16px; }
}