:root {
  --bg: #0b1020;
  --panel: #131a2e;
  --panel-2: #1a2340;
  --text: #e8ecf6;
  --muted: #9aa7c7;
  --accent: #5b8cff;
  --accent-2: #7c5bff;
  --danger: #ff6b6b;
  --ok: #4cd97b;
  --border: #26304f;
  --radius: 14px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  height: 100dvh;
  overflow: hidden;
}

.app { display: flex; flex-direction: column; height: 100dvh; }

.topbar {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 10px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  flex: 0 0 auto;
}
.topbar-title { font-weight: 700; flex: 1; }
.topbar-actions { display: flex; gap: 4px; }

.layout { display: flex; flex: 1; min-height: 0; }

.drawer {
  width: 280px; max-width: 82vw;
  background: var(--panel);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  flex: 0 0 auto;
  padding: 10px;
  transform: translateX(-105%);
  transition: transform .18s ease;
  position: absolute; top: 49px; bottom: 0; left: 0; z-index: 30;
}
.drawer.open { transform: translateX(0); box-shadow: 8px 0 30px rgba(0,0,0,.5); }

.content { flex: 1; min-width: 0; overflow-y: auto; }

.view { padding: 12px; max-width: 980px; margin: 0 auto; }
.hidden { display: none !important; }

.icon-btn, .chip, .nav-btn, .send-btn {
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 10px;
  padding: 8px 10px; cursor: pointer; font-size: 15px;
}
.icon-btn { padding: 8px; min-width: 36px; }
.primary-btn {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; border: none; border-radius: 12px;
  padding: 10px 14px; font-weight: 600; cursor: pointer; font-size: 15px;
  width: 100%; margin: 4px 0;
}
.send-btn { background: var(--accent); color: white; border: none; border-radius: 50%; width: 44px; height: 44px; font-size: 18px; flex: 0 0 auto; }
.danger { background: #3a1f2a; color: var(--danger); border-color: #5a2a3a; }
.muted { color: var(--muted); font-size: 14px; }
.error { color: var(--danger); }
.ok { color: var(--ok); }

.list { display: flex; flex-direction: column; gap: 4px; margin-top: 6px; }
.list-item {
  display: flex; justify-content: space-between; align-items: center; gap: 6px;
  padding: 8px 10px; border-radius: 10px; cursor: pointer;
  background: var(--panel-2); border: 1px solid transparent;
  font-size: 14px;
}
.list-item:hover { border-color: var(--border); }
.list-item.active { border-color: var(--accent); }
.drawer-heading { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 12px 4px 2px; }
.drawer-nav { border-top: 1px solid var(--border); margin-top: 10px; padding-top: 8px; }
.nav-btn { display: block; width: 100%; text-align: left; margin: 2px 0; background: transparent; border: none; }
.nav-btn:hover { background: var(--panel-2); }

/* Auth */
.auth-card {
  max-width: 420px; margin: 8vh auto; background: var(--panel);
  border: 1px solid var(--border); border-radius: var(--radius); padding: 20px;
}
.auth-card h1 { margin-top: 0; }
.auth-card label { display: block; margin: 10px 0 4px; font-size: 14px; color: var(--muted); }
.auth-card input { width: 100%; padding: 12px; border-radius: 10px; border: 1px solid var(--border); background: var(--panel-2); color: var(--text); font-size: 16px; }

/* Chat */
.chat-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.chat-title { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.messages { display: flex; flex-direction: column; gap: 10px; padding-bottom: 8px; }
.msg { max-width: 92%; padding: 10px 12px; border-radius: 14px; line-height: 1.45; font-size: 15px; overflow-wrap: break-word; }
.msg.user { align-self: flex-end; background: var(--accent); color: #fff; border-bottom-right-radius: 4px; }
.msg.assistant { align-self: flex-start; background: var(--panel-2); border-bottom-left-radius: 4px; }
.msg.tool { align-self: flex-start; background: #14251d; border: 1px dashed var(--ok); font-size: 13px; }
.msg .msg-meta { font-size: 11px; color: var(--muted); margin-top: 4px; }
.msg.failed { border: 1px solid var(--danger); }
.msg .attachments { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.msg .attachments img { max-width: 200px; max-height: 200px; border-radius: 10px; }
.msg .attachments a { color: #bcd0ff; font-size: 13px; }
.msg pre { background: #0a0f1e; padding: 8px; border-radius: 8px; overflow-x: auto; }
.msg code { font-family: ui-monospace, monospace; font-size: 13px; }
.msg p { margin: 4px 0; }

.compare-wrap { display: flex; gap: 8px; overflow-x: auto; padding: 6px 0 10px; }
.compare-pane { flex: 0 0 min(88vw, 420px); background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 10px; }
.compare-pane h4 { margin: 0 0 6px; font-size: 14px; }
.compare-pane .pane-body { white-space: pre-wrap; font-size: 14px; line-height: 1.4; max-height: 46vh; overflow-y: auto; }

.typing { display: flex; align-items: center; gap: 8px; padding: 8px 4px; color: var(--muted); font-size: 14px; }
.spinner { width: 14px; height: 14px; border-radius: 50%; border: 2px solid var(--border); border-top-color: var(--accent); animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.composer-wrap { position: sticky; bottom: 0; background: var(--bg); padding: 8px 10px calc(8px + env(safe-area-inset-bottom)); border-top: 1px solid var(--border); }
.composer { display: flex; flex-direction: column; gap: 6px; }
.composer textarea {
  width: 100%; resize: none; padding: 12px; min-height: 46px; max-height: 140px;
  border-radius: 14px; border: 1px solid var(--border); background: var(--panel-2); color: var(--text); font-size: 16px;
}
.composer-actions { display: flex; align-items: center; gap: 6px; }
.participant-picker { display: flex; gap: 4px; overflow-x: auto; flex: 1; }
.participant-pill { border: 1px solid var(--border); border-radius: 999px; padding: 5px 10px; font-size: 12px; background: var(--panel-2); cursor: pointer; white-space: nowrap; }
.participant-pill.selected { border-color: var(--accent); background: #1b2c55; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; padding: 4px 0; }
.chip { padding: 4px 8px; font-size: 12px; border-radius: 999px; }
.voice-status { padding: 6px 4px; color: var(--accent-2); font-size: 14px; }

/* Cards and forms */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 10px; margin-top: 10px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; }
.card h3 { margin: 0 0 6px; font-size: 16px; }
.card .row { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin: 6px 0; }
.card input, .card select, .inline-form input, .inline-form select {
  width: 100%; padding: 9px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--panel-2); color: var(--text); font-size: 14px; margin: 3px 0;
}
.inline-form { display: flex; flex-direction: column; gap: 4px; margin-top: 10px; max-width: 560px; }
.inline-form .primary-btn { width: auto; }
.checkbox { display: flex; align-items: center; gap: 6px; font-size: 14px; color: var(--muted); }
.checkbox input { width: auto; }

/* Modal */
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.6); display: flex; align-items: center; justify-content: center; z-index: 50; padding: 16px; }
.modal-card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; width: min(520px, 96vw); max-height: 80vh; overflow-y: auto; }
.modal-actions { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.tool-proposal { display: flex; gap: 8px; align-items: flex-start; padding: 8px; border: 1px solid var(--border); border-radius: 10px; margin: 6px 0; }
.tool-proposal pre { margin: 4px 0 0; font-size: 12px; white-space: pre-wrap; }

@media (min-width: 860px) {
  .drawer { position: static; transform: none; }
  .compare-pane { flex-basis: 420px; }
}

/* Issue #118 fixes */
#aboutBox { min-inline-size: 0; }
#aboutBox pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  max-inline-size: 100%;
  background: #0a0f1e;
  padding: 8px;
  border-radius: 8px;
  font-size: 13px;
}
.about-password { margin-top: 12px; }
.chat-head { flex-wrap: wrap; }
#chatProjectSelect { max-width: 140px; }
.toast {
  position: fixed;
  left: 50%;
  bottom: 90px;
  transform: translateX(-50%);
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 14px;
  z-index: 60;
  max-width: 92vw;
}
.toast.error { border-color: var(--danger); color: var(--danger); }
.chip-x { background: transparent; border: none; color: var(--danger); cursor: pointer; font-size: 12px; }
.msg-speak { display: inline-block; margin-left: 6px; padding: 2px 6px; font-size: 12px; }
#retryBar { display: flex; align-items: center; gap: 8px; }
.list-item { width: 100%; text-align: left; }
#contextSelectionList .tool-proposal pre { max-height: 120px; overflow-y: auto; }

/* FR1 context editor */
.context-block { margin: 0.5rem 0; padding: 0.5rem; border: 1px solid var(--line); border-radius: 10px; }
.context-textarea { width: 100%; min-height: 4rem; margin-top: 0.25rem; }
.context-preview { max-height: 8rem; overflow: auto; white-space: pre-wrap; word-break: break-word; font-size: 0.85rem; }

/* C15 phone readability + option rows */
:root { --base-font: 16px; }
body { font-size: var(--base-font); }
.participant-pill { color: var(--text, #111); }
.model-row { flex-wrap: wrap; gap: 0.4rem; }
.context-preview { max-height: 16rem; overflow: auto; white-space: pre-wrap; word-break: break-word; }