.ai-page {
  position: absolute; inset: 0; display: flex; flex-direction: row;
  background: linear-gradient(rgba(0,0,0,var(--c-bg-dim,0)), rgba(0,0,0,var(--c-bg-dim,0))), var(--c-bg-image) center/cover no-repeat, var(--c-bg);
  color: var(--c-text-secondary); overflow: hidden;
}
.ai-top { display: flex; align-items: center; gap: 10px; padding: 20px 24px 10px 24px; }
.ai-logo { font-size: 22px; font-weight: 700; color: var(--c-text); flex: 1; }
.ai-logo i { color: var(--c-accent); font-size: 18px; }
.ai-new {
  display: flex; align-items: center; gap: 6px; background: var(--c-surface-2);
  color: var(--c-text-secondary); border: 1px solid var(--c-border); border-radius: 16px;
  padding: 6px 14px; font-size: 13px; cursor: pointer;
}
.ai-new:hover:not(:disabled) { background: var(--c-surface-hover); color: var(--c-text); }
.ai-new:disabled { opacity: 0.5; cursor: default; }

.ai-list { flex: 1; overflow-y: auto; padding: 8px 24px 12px 24px; }
.ai-list > * { max-width: 820px; margin-left: auto; margin-right: auto; }
.ai-msg { display: flex; flex-direction: column; margin: 10px auto; }
.ai-user { align-items: flex-end; }
.ai-assistant { align-items: flex-start; }
.ai-bubble { max-width: 85%; font-size: 14px; line-height: 1.55; overflow-wrap: anywhere; }
.ai-user .ai-bubble {
  background: var(--c-accent); color: var(--c-bg); padding: 9px 14px;
  border-radius: 16px 16px 4px 16px; white-space: pre-wrap;
}
.ai-assistant .ai-bubble {
  background: var(--c-surface); border: 1px solid var(--c-border); color: var(--c-text-secondary);
  padding: 10px 14px; border-radius: 16px 16px 16px 4px; max-width: 100%;
}
.ai-tools { margin-top: 4px; }
.ai-copy {
  background: none; border: none; color: var(--c-text-dim); cursor: pointer;
  font-size: 12px; padding: 3px 6px; border-radius: 6px;
}
.ai-copy:hover { color: var(--c-text); background: var(--c-surface-hover); }

.ai-md p { margin: 0 0 8px; }
.ai-md p:last-child, .ai-md ul:last-child, .ai-md ol:last-child { margin-bottom: 0; }
.ai-md ul, .ai-md ol { margin: 0 0 8px; padding-left: 22px; }
.ai-md li { margin: 2px 0; }
.ai-md a { color: var(--c-accent); }
.ai-md strong { color: var(--c-text); }
.ai-h { font-weight: 700; color: var(--c-text); margin: 10px 0 6px; }
.ai-h1 { font-size: 18px; } .ai-h2 { font-size: 16px; } .ai-h3, .ai-h4 { font-size: 14px; }
.ai-code-inline {
  background: var(--c-surface-2); border: 1px solid var(--c-border); border-radius: 4px;
  padding: 1px 5px; font-family: ui-monospace, Consolas, monospace; font-size: 13px;
}
.ai-code { margin: 6px 0 10px; border: 1px solid var(--c-border); border-radius: 8px; overflow: hidden; }
.ai-code-head {
  display: flex; align-items: center; justify-content: space-between; padding: 3px 6px 3px 12px;
  background: var(--c-surface-2); font-size: 12px; color: var(--c-text-dim);
}
.ai-code pre { margin: 0; padding: 10px 12px; overflow-x: auto; background: rgba(0,0,0,0.25); }
.ai-code pre code { font-family: ui-monospace, Consolas, monospace; font-size: 13px; color: var(--c-text); white-space: pre; }

.ai-typing { display: flex; gap: 4px; padding: 4px 0; }
.ai-typing span {
  width: 7px; height: 7px; border-radius: 50%; background: var(--c-text-dim);
  animation: ai-blink 1.2s infinite ease-in-out;
}
.ai-typing span:nth-child(2) { animation-delay: 0.2s; }
.ai-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes ai-blink { 0%, 80%, 100% { opacity: 0.25; transform: scale(0.85); } 40% { opacity: 1; transform: scale(1); } }

.ai-empty { text-align: center; padding: 8vh 0 20px; }
.ai-empty-icon {
  width: 56px; height: 56px; margin: 0 auto 14px; border-radius: 16px; display: flex;
  align-items: center; justify-content: center; background: var(--c-surface-2);
  color: var(--c-accent); font-size: 24px; border: 1px solid var(--c-border);
}
.ai-empty-title { font-size: 22px; font-weight: 700; color: var(--c-text); }
.ai-empty-sub { font-size: 14px; color: var(--c-text-dim); margin: 6px 0 20px; }
.ai-starters { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 10px; max-width: 620px; margin: 0 auto; }
.ai-starter {
  text-align: left; background: var(--c-surface-2); color: var(--c-text-secondary);
  border: 1px solid var(--c-border); border-radius: 12px; padding: 12px 14px; font-size: 13px; cursor: pointer;
}
.ai-starter:hover { background: var(--c-surface-hover); color: var(--c-text); }

.ai-status { padding: 0 24px; min-height: 18px; font-size: 12px; color: #ff8a8a; text-align: center; }
.ai-compose {
  flex: 1; min-width: 0; display: flex; align-items: flex-end; gap: 8px;
  background: var(--c-surface); border: 1px solid var(--c-border);
  border-radius: 18px; padding: 8px 8px 8px 16px;
}
.ai-compose:focus-within { border-color: var(--c-accent); }
.ai-compose textarea {
  flex: 1; resize: none; background: none; border: none; outline: none; color: var(--c-text);
  font: inherit; font-size: 14px; line-height: 1.45; padding: 6px 0; max-height: 180px;
}
.ai-send {
  flex-shrink: 0; width: 34px; height: 34px; border-radius: 50%; border: none; cursor: pointer;
  background: var(--c-accent); color: var(--c-bg); font-size: 14px;
}
.ai-send:disabled { opacity: 0.4; cursor: default; }
.ai-send.stop { background: var(--c-text-secondary); }
.ai-note { text-align: center; font-size: 11px; color: var(--c-text-faint); padding: 6px 24px 12px; }
.ai-main { flex: 1; min-width: 0; display: flex; flex-direction: column; position: relative; }
.ai-side {
  width: 260px; flex-shrink: 0; display: flex; flex-direction: column; overflow: hidden;
  background: var(--c-surface); border-left: 1px solid var(--c-border); padding: 16px 10px 10px;
  transition: width 0.2s ease, padding 0.2s ease, border-color 0.2s ease;
}
.ai-page:not(.side-open) .ai-side { width: 0; padding-left: 0; padding-right: 0; border-left-color: transparent; }
.ai-side > * { min-width: 240px; }
.ai-side-top { display: flex; gap: 8px; align-items: center; flex-direction: row-reverse; }
.ai-side-top .ai-new { flex: 1; justify-content: center; padding: 9px 14px; }
.ai-side-label { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--c-text-faint); padding: 16px 8px 6px; }
.ai-chat-list { flex: 1; overflow-y: auto; }
.ai-side-empty { padding: 10px 8px; font-size: 13px; color: var(--c-text-dim); }
.ai-chat-item { display: flex; align-items: center; gap: 2px; padding: 7px 6px 7px 10px; border-radius: 8px; cursor: pointer; }
.ai-chat-item:hover { background: var(--c-surface-hover); }
.ai-chat-item.on { background: var(--c-surface-2); }
.ai-chat-item.on .ai-chat-title { color: var(--c-accent); }
.ai-chat-text { flex: 1; min-width: 0; }
.ai-chat-title { font-size: 13px; color: var(--c-text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ai-chat-time { font-size: 11px; color: var(--c-text-faint); }
.ai-chat-btn {
  flex-shrink: 0; width: 28px; height: 28px; border: none; border-radius: 6px; background: none;
  color: var(--c-text-dim); cursor: pointer; font-size: 12px;
}
.ai-chat-item .ai-chat-btn { opacity: 0; }
.ai-chat-item:hover .ai-chat-btn, .ai-chat-item.on .ai-chat-btn, .ai-chat-btn.confirm { opacity: 1; }
@media (hover: none) { .ai-chat-item .ai-chat-btn { opacity: 1; } }
.ai-chat-btn:hover { color: var(--c-text); background: var(--c-surface-hover); }
.ai-chat-btn.confirm { color: #ff6b6b; }
.ai-chat-rename {
  width: 100%; background: var(--c-surface-2); border: 1px solid var(--c-accent); border-radius: 6px;
  color: var(--c-text); font-size: 13px; padding: 4px 6px; outline: none;
}
.ai-side-note { font-size: 11px; color: var(--c-text-faint); padding: 10px 8px 2px; line-height: 1.4; }

.ai-icon-btn {
  flex-shrink: 0; width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--c-border);
  background: var(--c-surface-2); color: var(--c-text-secondary); cursor: pointer; font-size: 14px;
}
.ai-icon-btn:hover { background: var(--c-surface-hover); color: var(--c-text); }
.ai-top { padding-left: 64px; }
.ai-page.side-open .ai-side-btn { display: none; }
.ai-bottom {
  display: flex; align-items: flex-end; gap: 8px; width: calc(100% - 48px); max-width: 868px; margin: 4px auto 0;
}
.ai-key-btn { width: 40px; height: 40px; margin-bottom: 4px; }
.ai-key-btn.on { border-color: var(--c-accent); color: var(--c-accent); }
.ai-status-btn {
  background: none; border: 1px solid currentColor; color: inherit; border-radius: 10px;
  padding: 1px 8px; font-size: 12px; cursor: pointer; margin-left: 4px;
}
.ai-scrim { display: none; }
.ai-modal-wrap {
  position: absolute; inset: 0; z-index: 60; background: rgba(0,0,0,0.5);
  display: flex; align-items: center; justify-content: center; padding: 16px;
}
.ai-modal {
  width: 440px; max-width: 100%; max-height: 100%; overflow-y: auto; background: var(--c-surface);
  border: 1px solid var(--c-border); border-radius: 14px; padding: 18px 20px; box-shadow: 0 20px 50px rgba(0,0,0,0.45);
}
.ai-modal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 4px; }
.ai-modal-title { font-size: 17px; font-weight: 700; color: var(--c-text); }
.ai-modal-text { font-size: 13px; line-height: 1.5; color: var(--c-text-dim); margin: 4px 0 14px; }
.ai-field { display: flex; flex-direction: column; gap: 5px; margin-bottom: 12px; font-size: 12px; font-weight: 600; color: var(--c-text-secondary); }
.ai-field select, .ai-field input {
  background: var(--c-surface-2); border: 1px solid var(--c-border); border-radius: 8px;
  color: var(--c-text); font-size: 14px; padding: 8px 10px; outline: none; font-weight: 400; width: 100%;
}
.ai-field select:focus, .ai-field input:focus { border-color: var(--c-accent); }
.ai-key-row { display: flex; gap: 6px; align-items: center; }
.ai-key-row input { flex: 1; min-width: 0; font-family: ui-monospace, Consolas, monospace; font-size: 13px; }
.ai-field-hint { font-size: 12px; color: var(--c-text-dim); margin: -6px 0 12px; }
.ai-field-hint a { color: var(--c-accent); }
.ai-modal-note { font-size: 12px; line-height: 1.5; color: var(--c-text-faint); margin: 0 0 10px; }
.ai-modal-msg { min-height: 18px; font-size: 13px; margin-bottom: 10px; }
.ai-modal-msg.good { color: #6fdc8c; }
.ai-modal-msg.bad { color: #ff8a8a; }
.ai-modal-btns { display: flex; justify-content: flex-end; gap: 8px; }
.ai-btn { border: 1px solid var(--c-border); border-radius: 8px; padding: 8px 14px; font-size: 13px; cursor: pointer; background: var(--c-surface-2); color: var(--c-text-secondary); }
.ai-btn.main { background: var(--c-accent); border-color: var(--c-accent); color: var(--c-bg); }
.ai-btn.danger { color: #ff6b6b; margin-right: auto; }
.ai-btn[hidden] { display: none; }
.ai-btn:disabled { opacity: 0.6; cursor: default; }
.ai-btn:hover:not(:disabled) { opacity: 0.85; }

@media (max-width: 760px) {
  .ai-side {
    position: absolute; top: 0; bottom: 0; right: 0; z-index: 40; width: min(280px, 85%);
    transform: translateX(100%); transition: transform 0.2s ease; padding-top: 16px;
  }
  .ai-page.side-open .ai-side { transform: none; }
  .ai-page:not(.side-open) .ai-side { width: min(280px, 85%); padding: 16px 10px 10px; border-left-color: var(--c-border); }
  .ai-page.side-open .ai-side-btn { display: inline-block; }
  .ai-page.side-open .ai-scrim { display: block; position: absolute; inset: 0; z-index: 35; background: rgba(0,0,0,0.45); }
  .ai-top, .ai-page:not(.side-open) .ai-top { padding-left: 56px; padding-right: 12px; }
  .ai-list, .ai-status, .ai-note { padding-left: 12px; padding-right: 12px; }
  .ai-bottom { width: calc(100% - 24px); }
  .ai-bubble { max-width: 92%; }
}
.ai-table-wrap { overflow-x: auto; margin: 6px 0 10px; border: 1px solid var(--c-border); border-radius: 8px; }
.ai-table { border-collapse: collapse; width: 100%; font-size: 13px; }
.ai-table th, .ai-table td { padding: 7px 10px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--c-border); }
.ai-table th { background: var(--c-surface-2); color: var(--c-text); font-weight: 600; }
.ai-table tr:last-child td { border-bottom: none; }