/* ===== AI assistant (DeepSeek) ===== */
.ai-trigger {
  display: inline-flex; align-items: center; gap: 8px; height: 40px; padding: 0 14px; margin-inline-start: auto; flex: none;
  border-radius: var(--r); border: 1px solid var(--accent-line); color: var(--text);
  background: linear-gradient(135deg, rgba(109, 139, 255, .18), rgba(143, 123, 255, .14));
  font-weight: 600; font-size: var(--fs-sm); transition: box-shadow var(--t-fast), transform var(--t-fast), border-color var(--t-fast);
}
.ai-trigger svg { width: 17px; height: 17px; color: var(--accent); }
.ai-trigger:hover { box-shadow: 0 6px 22px -8px var(--accent-line); border-color: var(--accent); }
.ai-trigger:active { transform: translateY(1px); }
.ai-trigger:focus-visible, .ai-fab:focus-visible, .ai-send:focus-visible, .ai-quick button:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.ai-trigger + .search-trigger { margin-inline-start: 0; }

.tr-ai svg { color: var(--accent); }
.tr-ana .card-h .actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.ai-fab {
  display: none; position: fixed; z-index: 45; inset-inline-start: 16px; bottom: calc(var(--nav-h) + 16px + env(safe-area-inset-bottom));
  width: 52px; height: 52px; border-radius: 50%; align-items: center; justify-content: center; border: 0;
  color: var(--on-accent); background: linear-gradient(135deg, var(--accent-strong), var(--accent-2));
  box-shadow: 0 12px 30px -8px rgba(80, 104, 234, .7);
}
.ai-fab svg { width: 24px; height: 24px; }
html.ai-open .ai-fab { display: none !important; }

.ai-wrap { position: fixed; inset: 0; z-index: 70; }
.ai-wrap[hidden] { display: none; }
.ai-scrim { position: absolute; inset: 0; background: rgba(4, 6, 10, .45); opacity: 0; transition: opacity var(--t) var(--ease); }
.ai {
  position: absolute; top: 0; bottom: 0; inset-inline-end: 0; width: min(480px, 100vw);
  display: flex; flex-direction: column; background: var(--bg-2); border-inline-start: 1px solid var(--line);
  box-shadow: var(--shadow); transform: translateX(-104%); transition: transform var(--t) var(--ease-out);
}
[dir="ltr"] .ai { transform: translateX(104%); }
.ai-wrap.in .ai { transform: none; }
.ai-wrap.in .ai-scrim { opacity: 1; }

.ai-h { display: flex; align-items: center; gap: 10px; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.ai-logo, .ai-orb {
  display: grid; place-items: center; flex: none; color: var(--on-accent);
  background: linear-gradient(135deg, var(--accent-strong), var(--accent-2));
}
.ai-logo { width: 34px; height: 34px; border-radius: 10px; }
.ai-logo svg { width: 19px; height: 19px; }
.ai-tt { display: flex; flex-direction: column; flex: 1; min-width: 0; line-height: 1.25; }
.ai-tt b { font-size: var(--fs-md); }
.ai-tt small { font: 500 11px var(--mono); color: var(--muted); direction: ltr; text-align: end; unicode-bidi: isolate; align-self: flex-start; }

.ai-ctx { display: flex; align-items: center; gap: 8px; padding: 8px 16px; font-size: var(--fs-xs); color: var(--muted); border-bottom: 1px solid var(--line); background: var(--panel); }
.ai-ctx .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--up); box-shadow: 0 0 0 3px var(--up-bg); flex: none; }
.ai-ctx-t { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ai-ctx::before { content: 'يرى:'; color: var(--dim); }

.ai-list { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 14px; overscroll-behavior: contain; scroll-behavior: smooth; }

.ai-hello { text-align: center; padding: 28px 10px 8px; }
.ai-orb { width: 58px; height: 58px; border-radius: 18px; margin: 0 auto 14px; box-shadow: 0 14px 34px -10px rgba(80, 104, 234, .8); }
.ai-orb svg { width: 30px; height: 30px; }
.ai-hello h3 { font-size: var(--fs-xl); margin-bottom: 6px; }
.ai-hello p { color: var(--muted); font-size: var(--fs-sm); line-height: 1.7; }
.ai-warn { margin-top: 10px; color: var(--warn) !important; background: var(--warn-bg); border-radius: var(--r-sm); padding: 6px 10px; display: inline-block; }

.ai-quick { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.ai-quick button {
  display: flex; align-items: flex-start; gap: 10px; text-align: start; padding: 12px; border-radius: var(--r);
  border: 1px solid var(--line); background: var(--panel); color: var(--text);
  transition: border-color var(--t-fast), background var(--t-fast), transform var(--t-fast);
}
.ai-quick button:hover { border-color: var(--accent-line); background: var(--panel-2); transform: translateY(-1px); }
.ai-quick svg { width: 18px; height: 18px; color: var(--accent); flex: none; margin-top: 2px; }
.ai-quick span { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.ai-quick b { font-size: var(--fs-sm); }
.ai-quick small { font-size: var(--fs-2xs); color: var(--muted); line-height: 1.5; }

.ai-msg { display: flex; flex-direction: column; max-width: 100%; }
.ai-msg.me { align-items: flex-start; }
.ai-msg.me .ai-b {
  background: var(--accent-strong); color: var(--on-accent); padding: 9px 13px; border-radius: 14px 14px 14px 4px;
  max-width: 85%; white-space: pre-wrap; word-break: break-word; font-size: var(--fs);
}
[dir="rtl"] .ai-msg.me .ai-b { border-radius: 14px 14px 4px 14px; }
.ai-msg.bot .ai-b {
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px;
  font-size: var(--fs); line-height: 1.85; color: var(--text-2); word-break: break-word;
}
.ai-msg.bot.live .ai-b { border-color: var(--accent-line); }
.ai-b h4 { font-size: var(--fs-md); color: var(--text); margin: 10px 0 4px; }
.ai-b h4:first-child { margin-top: 0; }
.ai-b p { margin: 4px 0; }
.ai-b ul, .ai-b ol { margin: 4px 0; padding-inline-start: 20px; }
.ai-b li { margin: 2px 0; }
.ai-b li::marker { color: var(--accent); }
.ai-b b { color: var(--text); font-weight: 600; }
.ai-b code { font: 12px var(--mono); background: var(--panel-3); padding: 1px 5px; border-radius: 5px; direction: ltr; unicode-bidi: isolate; }
.ai-b hr { border: 0; border-top: 1px solid var(--line); margin: 10px 0; }
.ai-b .ai-row { font-size: var(--fs-sm); }
.ai-msg.live .ai-b > :last-child::after { content: ''; display: inline-block; width: 7px; height: 14px; margin-inline-start: 3px; vertical-align: -2px; background: var(--accent); border-radius: 2px; animation: aiBlink 1s steps(2) infinite; }
@keyframes aiBlink { 50% { opacity: 0; } }

.ai-typing { display: inline-flex; gap: 4px; padding: 4px 0; }
.ai-typing i { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); opacity: .4; animation: aiDot 1.2s infinite; }
.ai-typing i:nth-child(2) { animation-delay: .15s; }
.ai-typing i:nth-child(3) { animation-delay: .3s; }
@keyframes aiDot { 30% { opacity: 1; transform: translateY(-3px); } }
.ai-msg.live .ai-typing::after { display: none; }
.ai-think { display: flex; align-items: center; gap: 6px; font-size: var(--fs-xs); color: var(--muted); margin-bottom: 4px; }
.ai-think svg { width: 14px; height: 14px; color: var(--accent-2); animation: aiPulse 1.4s ease-in-out infinite; }
@keyframes aiPulse { 50% { opacity: .35; } }

.ai-err { margin-top: 8px; color: var(--down); font-size: var(--fs-sm); display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.ai-tools { display: flex; align-items: center; gap: 10px; margin-top: 5px; padding-inline: 4px; }
.ai-tool { background: none; border: 0; color: var(--muted); font-size: var(--fs-xs); cursor: pointer; padding: 2px 0; }
.ai-tool:hover { color: var(--accent); }
.ai-usage { font: 10.5px var(--mono); color: var(--dim); direction: ltr; unicode-bidi: isolate; }

.ai-form { display: flex; align-items: flex-end; gap: 8px; margin: 0 12px; padding: 8px; border: 1px solid var(--line-2); border-radius: var(--r-lg); background: var(--panel); transition: border-color var(--t-fast); }
.ai-form:focus-within { border-color: var(--accent-line); }
.ai-form textarea {
  flex: 1; resize: none; border: 0; outline: 0; background: transparent; color: var(--text); font: inherit; font-size: var(--fs);
  line-height: 1.6; max-height: 160px; padding: 6px 6px; min-height: 36px;
}
.ai-form textarea::placeholder { color: var(--dim); }
.ai-send {
  width: 38px; height: 38px; flex: none; border-radius: 11px; border: 0; display: grid; place-items: center; cursor: pointer;
  color: var(--on-accent); background: linear-gradient(135deg, var(--accent-strong), var(--accent-2));
}
.ai-send svg { width: 18px; height: 18px; }
[dir="rtl"] .ai-send:not(.stop) svg { transform: scaleX(-1); }
.ai-send.stop { background: var(--down-strong); }
.ai-foot { text-align: center; font-size: var(--fs-2xs); color: var(--dim); padding: 8px 12px calc(10px + env(safe-area-inset-bottom)); }

@media (max-width: 1100px) {
  .ai-trigger span { display: none; }
  .ai-trigger { width: 40px; padding: 0; justify-content: center; }
}
@media (max-width: 760px) {
  .ai-trigger { display: none; }
  .ai-trigger + .search-trigger { margin-inline-start: auto; }
  .ai-fab { display: flex; }
  .ai { width: 100vw; border: 0; }
  .ai-quick { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .ai, .ai-scrim { transition: none; }
  .ai-typing i, .ai-think svg, .ai-msg.live .ai-b > :last-child::after { animation: none; }
}
@media print { .ai-wrap, .ai-fab, .ai-trigger { display: none !important; } }