:root {
  color-scheme: light dark;
  --bg: #f6f1e7;
  --surface: #fffdf8;
  --ink: #2a2520;
  --muted: #6d6458;
  --line: #e0d8c8;
  --accent: #1f5fb4;
  --accent-ink: #ffffff;
  --user: #efe4d0;
  --listening: #2f7d5b;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1a17;
    --surface: #262320;
    --ink: #f1ebe0;
    --muted: #aaa194;
    --line: #3b362f;
    --accent: #6aa3ea;
    --accent-ink: #1c1a17;
    --user: #38322a;
    --listening: #5ec29a;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.5 ui-rounded, "SF Pro Rounded", system-ui, -apple-system, "Segoe UI", sans-serif;
}
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.error { color: var(--accent); min-height: 1.5em; margin: 0; }

.primary {
  background: var(--accent); color: var(--accent-ink);
  border: 0; border-radius: 10px; padding: 10px 18px; font-weight: 600;
}
.ghost {
  background: none; border: 0; border-radius: 8px; padding: 6px 8px; color: var(--muted); white-space: nowrap;
}
.ghost:hover { background: var(--line); color: var(--ink); }

.login { min-height: 100%; display: grid; place-items: center; padding: 16px; }
.login-card {
  width: min(360px, 100%); display: grid; gap: 14px; padding: 28px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 18px;
}
.login-card h1 { margin: 0; font-size: 2rem; color: var(--accent); }
.login-card p:not(.error) { margin: -10px 0 4px; color: var(--muted); }
.login-card label { display: grid; gap: 4px; font-weight: 600; }
.login-card input, .text-row input {
  width: 100%; padding: 10px 12px; background: var(--bg); border: 1px solid var(--line); border-radius: 10px;
}

.app { height: 100dvh; display: flex; flex-direction: column; }
.topbar {
  display: flex; align-items: center; gap: 4px; padding: 8px 16px;
  padding-top: max(8px, env(safe-area-inset-top)); border-bottom: 1px solid var(--line);
}
.logo { width: 28px; height: 28px; flex: none; border-radius: 6px; margin-right: 6px; }
.brand { color: var(--accent); font-size: 1.15rem; margin-right: 8px; }
.spacer { flex: 1; }
.agent-picker select {
  background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 4px 6px; max-width: 120px;
}
.banner { margin: 0; padding: 6px 16px; background: var(--user); font-size: .875rem; text-align: center; }
.update-banner {
  position: fixed; z-index: 4; left: 0; right: 0; top: 0; width: 100%; border: 0;
  padding: max(8px, env(safe-area-inset-top)) 16px 8px;
  background: var(--accent); color: var(--accent-ink); font-size: .875rem;
}

.layout { flex: 1; min-height: 0; display: flex; }
.chat { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.messages {
  flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 12px;
}
.messages > * { width: 100%; max-width: 680px; margin-inline: auto; }
.empty { color: var(--muted); text-align: center; margin-block: auto; }
.empty strong { display: block; font-size: 1.4rem; color: var(--ink); margin-bottom: 4px; }
.msg { white-space: pre-wrap; overflow-wrap: anywhere; }
.msg.user { background: var(--user); border-radius: 14px; padding: 8px 14px; width: fit-content; margin-right: 0; margin-left: auto; max-width: min(85%, 560px); }
.msg .who { display: block; font-size: .75rem; font-weight: 700; color: var(--accent); letter-spacing: .02em; }
.msg .activity { display: block; font-size: .8rem; color: var(--muted); }
.msg.failed .body { color: var(--accent); }

.composer {
  border-top: 1px solid var(--line); padding: 12px 16px;
  padding-bottom: max(10px, env(safe-area-inset-bottom));
  display: grid; gap: 8px; justify-items: center;
}
.composer > * { width: 100%; max-width: 680px; }
.voice-status { margin: 0; min-height: 1.5em; color: var(--muted); text-align: center; font-size: .9rem; }
.voice-row { display: flex; align-items: center; justify-content: center; gap: 16px; }
.mic {
  width: 68px; height: 68px; flex: none; border-radius: 50%; border: 0;
  display: grid; place-items: center; background: var(--accent); color: var(--accent-ink);
}
.mic[aria-pressed="true"] { background: var(--listening); animation: pulse 1.4s ease-in-out infinite; }
.mic:disabled { opacity: .4; cursor: not-allowed; }
@keyframes pulse { 50% { box-shadow: 0 0 0 10px color-mix(in srgb, var(--listening) 25%, transparent); } }
@media (prefers-reduced-motion: reduce) { .mic[aria-pressed="true"] { animation: none; } }
.voice-options { display: grid; gap: 2px; font-size: .875rem; color: var(--muted); }
.voice-options label { display: flex; gap: 6px; align-items: center; }
.text-row { display: flex; gap: 8px; }
.text-row input { flex: 1; min-width: 0; }
.meta { margin: 0; font-size: .75rem; color: var(--muted); text-align: center; }

.board { width: 300px; flex: none; overflow-y: auto; padding: 16px; border-left: 1px solid var(--line); }
.board h2 { margin: 0 0 12px; font-size: 1rem; }
.board h3 { margin: 16px 0 6px; font-size: .75rem; letter-spacing: .05em; text-transform: uppercase; color: var(--muted); }
.board ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.board label { display: flex; gap: 8px; align-items: flex-start; padding: 4px 0; }
.board input { margin-top: 5px; flex: none; }
.board .due, .board .private { display: block; font-size: .75rem; color: var(--muted); }
.board .none { color: var(--muted); font-size: .9rem; }

@media (max-width: 760px) {
  .board {
    position: fixed; inset: 0 0 0 auto; width: min(320px, 88vw); z-index: 2; background: var(--surface);
    padding-top: max(16px, env(safe-area-inset-top)); transform: translateX(100%); visibility: hidden; transition: transform .2s;
  }
  .board.open { transform: none; visibility: visible; box-shadow: -8px 0 30px rgb(0 0 0 / .25); }
  .agent-picker select { max-width: 76px; }
  .topbar { flex-wrap: wrap; gap: 0; padding-inline: 12px; }
  .topbar .ghost { padding-inline: 6px; font-size: .9rem; }
  #new-chat, #clear-chat, #refresh-page { min-height: 44px; }
  #clear-chat, #refresh-page { padding-inline: 12px; font-size: .9rem; }
}
@media (max-width: 420px) { .brand { display: none; } }
@media (min-width: 761px) { #board-toggle { display: none; } }

.read-aloud {
  display: block; margin-top: 2px; padding: 6px 0; background: none; border: 0;
  color: var(--muted); font-size: .8rem; text-decoration: underline;
}

.requests {
  position: fixed; inset: 0; z-index: 3; overflow-y: auto; background: var(--bg);
  padding: max(12px, env(safe-area-inset-top)) 16px 24px;
}
.requests > * { max-width: 680px; margin-inline: auto; }
.requests-head { display: flex; align-items: center; justify-content: space-between; }
.requests-head h2 { margin: 0; font-size: 1.25rem; }
.requests-buttons { display: flex; gap: 8px; }
.requests-note { color: var(--muted); font-size: .875rem; margin-block: 4px 12px; }
.request { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 14px; margin-bottom: 12px; overflow-wrap: anywhere; }
.request h3 { margin: 0; font-size: 1rem; }
.request p { margin: 6px 0 0; white-space: pre-wrap; }
.request .meta-line { color: var(--muted); font-size: .8rem; margin-top: 2px; }
.request .state { font-weight: 700; color: var(--accent); font-size: .8rem; margin-top: 6px; }
.request .summary { border-left: 3px solid var(--line); padding-left: 10px; }
.request .warning { color: var(--accent); font-weight: 600; font-size: .875rem; }
.request .failure { color: var(--accent); font-size: .875rem; }
.request details { margin-top: 6px; font-size: .875rem; color: var(--muted); }
.request a { color: var(--accent); display: inline-block; margin-top: 6px; padding-block: 4px; }
.request-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.request .pick { display: flex; align-items: center; gap: 8px; margin-top: 8px; font-size: .875rem; color: var(--muted); }
.request .pick input { width: 20px; height: 20px; }
.request-actions .secondary { background: none; border: 1px solid var(--line); border-radius: 10px; padding: 10px 18px; }