* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: #101014; color: #e8e8ee; font-family: system-ui, sans-serif; }
body { display: flex; flex-direction: column; }
header { display: flex; align-items: center; gap: 10px; padding: 12px 16px; background: #16161c; border-bottom: 1px solid #26262e; }
#brand { font-weight: 700; font-size: 17px; }
#model-badge { margin-left: auto; font-size: 12px; color: #8a8a96; background: #1f1f27; padding: 4px 10px; border-radius: 999px; }
main { flex: 1; display: flex; flex-direction: column; min-height: 0; }
#projects { padding: 10px 12px; background: #12121a; border-bottom: 1px solid #22222a; }
#projects .row { display: flex; gap: 8px; }
#projects .row input { flex: 1; background: #1d1d25; color: #e8e8ee; border: 1px solid #2a2a34; border-radius: 8px; padding: 8px; font-size: 14px; }
#projects .row button { background: #2a2a36; color: #e8e8ee; border: 0; border-radius: 8px; padding: 8px 12px; font-size: 13px; cursor: pointer; }
#project-list { list-style: none; margin: 8px 0 0; padding: 0; max-height: 140px; overflow-y: auto; }
#project-list li { padding: 7px 10px; border-radius: 8px; font-size: 14px; cursor: pointer; color: #b9b9c4; }
#project-list li.active { background: #23232d; color: #fff; }
#prompt-editor { margin-top: 8px; display: flex; gap: 8px; }
#prompt-editor textarea { flex: 1; background: #1d1d25; color: #e8e8ee; border: 1px solid #2a2a34; border-radius: 8px; padding: 8px; font-size: 13px; }
#prompt-editor button { background: #2a2a36; color: #e8e8ee; border: 0; border-radius: 8px; padding: 8px 12px; font-size: 13px; cursor: pointer; }
.inline-input { flex: 1; background: #1d1d25; color: #e8e8ee; border: 1px solid #2a2a34; border-radius: 6px; padding: 4px 8px; font-size: 14px; }
#sessions { padding: 8px 12px; background: #14141a; border-bottom: 1px solid #22222a; }
#sessions button { background: #2a2a36; color: #e8e8ee; border: 0; padding: 8px 14px; border-radius: 8px; font-size: 14px; }
#session-list { list-style: none; margin: 8px 0 0; padding: 0; max-height: 120px; overflow-y: auto; }
#session-list li { padding: 7px 10px; border-radius: 8px; font-size: 14px; cursor: pointer; color: #b9b9c4; display: flex; align-items: center; gap: 8px; }
#session-list li span { flex: 1; }
#session-list li button { background: #23232d; color: #b9b9c4; border: 0; border-radius: 6px; padding: 4px 8px; font-size: 13px; cursor: pointer; }
#session-list li.active { background: #23232d; color: #fff; }
#chat { flex: 1; display: flex; flex-direction: column; min-height: 0; }
#messages { flex: 1; overflow-y: auto; padding: 12px; display: flex; flex-direction: column; gap: 10px; }
.bubble { max-width: 88%; padding: 10px 12px; border-radius: 12px; line-height: 1.55; font-size: 15px; white-space: pre-wrap; word-wrap: break-word; }
.bubble.user { align-self: flex-end; background: #2f2f3c; }
.bubble.assistant { align-self: flex-start; background: #1a1a22; }
.bubble pre { background: #0d0d12; padding: 8px; border-radius: 8px; overflow-x: auto; white-space: pre-wrap; margin: 6px 0; }
.typing { color: #787884; font-size: 13px; padding: 4px 12px; }
#composer { display: flex; gap: 8px; padding: 10px 12px; border-top: 1px solid #22222a; background: #14141a; }
#input { flex: 1; background: #1d1d25; color: #e8e8ee; border: 1px solid #2a2a34; border-radius: 10px; padding: 10px 12px; font-size: 15px; }
#composer button { background: #4b6ef5; color: #fff; border: 0; border-radius: 10px; padding: 10px 16px; font-size: 15px; }