/* agents-ui — стилистика cloudbit.one
   Фон: тёмно-сине-серый (#0f1622)
   Текст: холодный белый (#f5f7fb)
   Accent: тёплый янтарь (#f5c542)
   Граница: тонкая белая alpha .08
   Радиус 12px, padding щедрый, Segoe UI
*/

:root {
  --bg:         #0a0f17;          /* фон страницы (чуть темнее панелей) */
  --panel:      rgba(15, 22, 34, 0.92);  /* основной поверхность */
  --panel-2:    rgba(255, 255, 255, 0.03); /* hover / inset */
  --panel-3:    rgba(255, 255, 255, 0.06);
  --border:     rgba(255, 255, 255, 0.08);
  --border-2:   rgba(255, 255, 255, 0.16);
  --text:       #f5f7fb;
  --text-dim:   rgba(245, 247, 251, 0.62);
  --text-mute:  rgba(245, 247, 251, 0.38);
  --accent:     #f5c542;          /* янтарь — главный brand */
  --accent-2:   #fbd770;          /* hover янтаря */
  --accent-dim: rgba(245, 197, 66, 0.18);
  --user-bg:    rgba(245, 197, 66, 0.92); /* user bubble — янтарный */
  --user-text:  #0f1622;
  --green:      #5fd58a;
  --red:        #ff7a7a;
  --red-bg:     rgba(255, 122, 122, 0.12);
  --red-border: rgba(255, 122, 122, 0.28);
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0; height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", "Helvetica Neue", -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 15px; line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.screen { display: flex; height: 100vh; }
.hidden { display: none !important; }
.muted { color: var(--text-dim); }
.err { color: var(--red); background: var(--red-bg); border: 1px solid var(--red-border);
  padding: 8px 12px; border-radius: 8px; margin-top: 12px; font-size: 13px; }

/* ── Login ─────────────────────────────────── */
#login { align-items: center; justify-content: center; padding: 24px; }
.login-box {
  background: var(--panel);
  padding: 36px 32px;
  border-radius: 16px;
  min-width: 380px;
  max-width: 420px;
  border: 1px solid var(--border);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}
.login-box h1 {
  margin: 0 0 8px;
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.5px;
}
.login-box .muted { font-size: 14px; margin-top: 0; margin-bottom: 20px; }
.login-box input {
  width: 100%; padding: 14px 16px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font: inherit; font-size: 15px;
  outline: none;
  transition: border-color 0.15s, background 0.15s;
}
.login-box input:focus { border-color: var(--accent); background: var(--panel-3); }
.login-box input::placeholder { color: var(--text-mute); }
.login-box button {
  margin-top: 14px; width: 100%; padding: 14px 16px;
  background: var(--accent); color: var(--user-text);
  border: none; border-radius: 12px;
  cursor: pointer; font: inherit; font-size: 15px; font-weight: 700;
  letter-spacing: 0.2px;
  transition: background 0.12s, transform 0.05s;
}
.login-box button:hover { background: var(--accent-2); }
.login-box button:active { transform: translateY(1px); }

/* ── App ─────────────────────────────────── */
#app { flex-direction: row; }

#sidebar {
  width: 280px;
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  flex-shrink: 0;
}
.sidebar-header {
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
}
.brand {
  font-weight: 700;
  letter-spacing: 1px;
  font-size: 15px;
  color: var(--text);
}
.brand::before {
  content: "◆";
  color: var(--accent);
  margin-right: 8px;
  font-size: 12px;
  vertical-align: 1px;
}
.icon-btn {
  background: none; border: none;
  color: var(--text-dim);
  font-size: 16px; cursor: pointer;
  padding: 4px 8px; border-radius: 6px;
  transition: color 0.12s, background 0.12s;
}
.icon-btn:hover { color: var(--text); background: var(--panel-2); }

#agents-list {
  flex: 1; overflow-y: auto;
  padding: 12px 12px;
}

.agent-item {
  padding: 10px 14px;
  border-radius: 10px;
  cursor: pointer;
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 4px;
  border: 1px solid transparent;
  transition: background 0.1s, border-color 0.1s;
}
.agent-item:hover { background: var(--panel-2); }
.agent-item.active {
  background: var(--panel-3);
  border-color: var(--border-2);
}

/* Боря — главный, выделен */
.agent-item.boris {
  padding: 18px 18px;
  margin-bottom: 16px;
  background: var(--accent-dim);
  border-radius: 12px;
  border: 1px solid rgba(245, 197, 66, 0.28);
  position: relative;
}
.agent-item.boris::after {
  content: "MAIN";
  position: absolute;
  top: 10px; right: 14px;
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--accent);
  opacity: 0.85;
}
.agent-item.boris.active { background: rgba(245, 197, 66, 0.26); border-color: var(--accent); }
.agent-item.boris .agent-name { font-weight: 700; font-size: 17px; letter-spacing: -0.2px; }
.agent-item.boris .agent-desc { font-size: 12.5px; color: var(--text-dim); margin-top: 3px; }

.agent-name { font-weight: 500; font-size: 14px; }
.agent-desc { font-size: 11.5px; color: var(--text-mute); margin-top: 2px; }

.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.dot.free { background: var(--green); box-shadow: 0 0 6px rgba(95, 213, 138, 0.5); }
.dot.busy { background: var(--accent); box-shadow: 0 0 6px var(--accent); animation: pulse 1.4s ease-in-out infinite; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

.sidebar-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  font-size: 11.5px;
  color: var(--text-mute);
}
.legend { display: flex; gap: 14px; align-items: center; }
.legend .dot { margin-right: 5px; }

/* ── Chat ─────────────────────────────────── */
#chat { flex: 1; display: flex; flex-direction: column; min-width: 0; background: var(--bg); }

#chat-header {
  padding: 16px 28px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 16px;
  background: var(--panel);
}
#chat-title { font-weight: 600; font-size: 17px; letter-spacing: -0.2px; }
#chat-meta { font-size: 13px; }
.header-actions { margin-left: auto; display: flex; gap: 10px; }
.scope-select, .model-select {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 12px;
  font: inherit; font-size: 12.5px;
  outline: none;
  cursor: pointer;
  transition: border-color 0.12s;
}
.scope-select:hover, .model-select:hover { border-color: var(--border-2); }
.scope-select:focus, .model-select:focus { border-color: var(--accent); }

#messages {
  flex: 1; overflow-y: auto;
  padding: 28px 28px 8px;
  display: flex; flex-direction: column; gap: 14px;
}

.msg {
  max-width: 760px;
  padding: 14px 18px;
  border-radius: 14px;
  word-wrap: break-word;
  white-space: pre-wrap;
  line-height: 1.6;
  font-size: 14.5px;
}
.msg.user {
  background: var(--user-bg);
  color: var(--user-text);
  align-self: flex-end;
  font-weight: 500;
  border-bottom-right-radius: 6px;
}
.msg.assistant {
  background: var(--panel);
  border: 1px solid var(--border);
  align-self: flex-start;
  border-bottom-left-radius: 6px;
}
.msg.system {
  background: transparent;
  color: var(--text-mute);
  align-self: center;
  font-size: 12px;
  font-style: italic;
  padding: 6px 14px;
  max-width: 600px;
  text-align: center;
  border: 1px dashed var(--border);
  border-radius: 8px;
}
.msg .meta {
  color: var(--text-mute);
  font-size: 11px;
  margin-top: 8px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}

.event-line {
  color: var(--text-mute);
  font-size: 12px;
  padding: 3px 18px;
  align-self: flex-start;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  max-width: 760px;
  border-left: 2px solid var(--border-2);
  margin-left: 6px;
}
.event-line.tool { color: var(--accent); }
.event-line.result { color: var(--green); }
.event-line.error { color: var(--red); }

code {
  background: var(--panel-3);
  padding: 2px 7px;
  border-radius: 5px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12.5px;
  color: var(--accent);
}
pre {
  background: var(--panel-3);
  padding: 12px 14px;
  border-radius: 10px;
  overflow-x: auto;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12.5px;
  margin: 8px 0;
  border: 1px solid var(--border);
}

#composer {
  padding: 18px 28px 22px;
  border-top: 1px solid var(--border);
  display: flex; gap: 12px;
  background: var(--panel);
  align-items: flex-end;
}
#input {
  flex: 1;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  font: inherit; font-size: 14.5px;
  resize: vertical;
  min-height: 50px;
  max-height: 240px;
  outline: none;
  transition: border-color 0.12s;
}
#input:focus { border-color: var(--accent); }
#input::placeholder { color: var(--text-mute); }

#send {
  padding: 14px 28px;
  background: var(--accent);
  color: var(--user-text);
  border: none;
  border-radius: 12px;
  cursor: pointer;
  font: inherit; font-size: 14.5px; font-weight: 700;
  letter-spacing: 0.3px;
  height: 50px;
  transition: background 0.12s, transform 0.05s;
}
#send:hover { background: var(--accent-2); }
#send:active { transform: translateY(1px); }
#send:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }

/* Scrollbar — subtle */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 5px;
  border: 2px solid var(--bg);
}
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.14); }

/* Mobile-friendly fallback */
@media (max-width: 720px) {
  #sidebar { width: 220px; }
  #messages { padding: 16px; }
  #composer { padding: 12px 16px; }
}