.simchat{display:flex;flex-direction:column;gap:var(--ds-space-3)}.simchat-note{margin:0;font-size:var(--ds-text-xs);color:var(--ds-text-muted)}.simchat-alert{padding:var(--ds-space-2) var(--ds-space-3);border:1px solid var(--ds-border);border-radius:var(--ds-radius-md);font-size:var(--ds-text-xs);line-height:var(--ds-leading-snug)}.simchat-alert--error{border-color:var(--ds-danger-tint);background:var(--ds-danger-tint);color:var(--ds-text)}.simchat-alert--warn{border-color:var(--ds-warning-tint);background:var(--ds-warning-tint);color:var(--ds-text)}.simchat-body{display:flex;flex-direction:column;gap:var(--ds-space-2);min-height:220px;max-height:46vh;overflow-y:auto;padding:var(--ds-space-3);border:1px solid var(--ds-border);border-radius:var(--ds-radius-lg);background:var(--ds-surface-sunken)}.simchat-placeholder{margin:auto;max-width:34ch;text-align:center;font-size:var(--ds-text-xs);color:var(--ds-text-muted)}.simchat-bubble{max-width:78%;padding:var(--ds-space-1) var(--ds-space-2);border-radius:var(--ds-radius-lg);font-size:var(--ds-text-ui);color:var(--ds-text)}.simchat-bubble--agent{align-self:flex-end;background:var(--ds-chat-out);border:1px solid var(--ds-chat-out-border)}.simchat-bubble--client{align-self:flex-start;background:var(--ds-chat-in);border:1px solid var(--ds-border)}.simchat-typing{margin:0;font-size:var(--ds-text-xs);font-style:italic;color:var(--ds-chat-meta)}.simchat-bubble .message-text{position:relative;padding:0;color:var(--ds-text)}.simchat-bubble .message-text p{margin:0;white-space:pre-wrap;line-height:var(--ds-leading-snug)}.simchat-bubble .message-time-container{display:flex;align-items:center;justify-content:flex-end;gap:var(--ds-space-1)}.simchat-bubble .message-time{font-size:var(--ds-text-2xs);color:var(--ds-chat-meta);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.simchat-bubble .msg-tick{display:inline-flex;align-items:center;flex-shrink:0;color:var(--ds-chat-meta)}.simchat-bubble .msg-tick-read{color:var(--ds-chat-tick-read)}.simchat-bubble .msg-tick-failed{color:var(--ds-danger);font-weight:var(--ds-weight-bold);font-size:var(--ds-text-xs);line-height:1}.simchat-composer{display:flex;align-items:center;gap:var(--ds-space-2)}.simchat-input{flex:1 1;min-width:0;box-sizing:border-box;padding:var(--ds-space-2) var(--ds-space-3);border:1px solid var(--ds-border-strong);border-radius:var(--ds-radius-md);background:var(--ds-surface-raised);color:var(--ds-text);font-size:var(--ds-text-ui);transition:border-color var(--ds-dur-fast) var(--ds-ease-enter),box-shadow var(--ds-dur-fast) var(--ds-ease-enter)}.simchat-input::-moz-placeholder{color:var(--ds-text-muted)}.simchat-input::placeholder{color:var(--ds-text-muted)}.simchat-input:focus{outline:none;border-color:var(--ds-accent);box-shadow:var(--ds-shadow-ring)}.simchat-input:disabled{background:var(--ds-surface-sunken);color:var(--ds-text-muted);cursor:not-allowed}