/* === ИИ-помощник === */

.main-content:has(.ai-page) { padding: 0 6px 0 0; }

.ai-page {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: calc(100vh - var(--header-height, 56px));
  min-height: 0;
  position: relative;
}

.ai-toolbar { padding: 0 16px; }

.ai-counter {
  font-size: 13px;
  color: var(--color-on-surface-secondary);
  margin-left: 8px;
  white-space: nowrap;
}

.ai-btn-enter {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  background: transparent;
  border: none;
  border-radius: 6px;
  font-family: inherit;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-on-surface-secondary);
  opacity: 0.5;
  cursor: pointer;
  transition: opacity 0.15s, color 0.15s, background 0.15s;
}
.ai-btn-enter svg { display: block; width: 16px; height: 16px; }
.ai-btn-enter:hover:not([disabled]) { background: var(--color-hover); opacity: 1; }
.ai-btn-enter--active {
  color: var(--color-primary);
  opacity: 1;
}

/* --- Список сообщений --- */
.ai-messages {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 20px 0 260px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
  box-sizing: border-box;
}

.ai-empty {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-on-surface-secondary);
  padding: 40px 20px;
  text-align: center;
}
.ai-empty__text { max-width: 440px; font-size: 15px; line-height: 1.5; }

/* --- Пузыри --- */
.ai-message {
  max-width: none;
  padding: 10px 14px;
  border-radius: 16px;
  position: relative;
  word-wrap: break-word;
  line-height: 1.5;
  font-size: 14.5px;
}

.ai-message--user {
  align-self: flex-end;
  max-width: calc(100% - 64px);
  background: color-mix(in srgb, var(--color-on-surface) 12%, transparent);
  color: var(--color-on-surface);
  border-bottom-right-radius: 0;
}

.ai-message--assistant {
  align-self: flex-start;
  margin-left: 10px;
  max-width: calc(100% - 74px);
  background: transparent;
  color: var(--color-on-surface);
  border: none;
  padding: 0 4px;
  border-bottom-left-radius: 0;
}

.ai-message__text { white-space: normal; }
.ai-message--user .ai-message__text { white-space: pre-wrap; }

.ai-message__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 6px;
}

.ai-message__time {
  font-size: 11px;
  opacity: 0.65;
}

.ai-message__actions {
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity 0.15s;
}
.ai-message:hover .ai-message__actions { opacity: 1; }

.ai-message__action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: transparent;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  color: inherit;
  opacity: 0.7;
  transition: opacity 0.15s, background 0.15s;
}
.ai-message__action:hover { opacity: 1; background: rgba(0, 0, 0, 0.08); }
[data-theme="dark"] .ai-message--assistant .ai-message__action:hover { background: rgba(255, 255, 255, 0.08); }
.ai-message--user .ai-message__action:hover { background: rgba(255, 255, 255, 0.18); }

/* --- Typing indicator --- */
.ai-message--typing { padding: 12px 14px; }
.ai-typing {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-style: italic;
  color: var(--color-on-surface-secondary);
}
.ai-typing__spinner {
  width: 12px;
  height: 12px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: ai-spin 0.8s linear infinite;
}
.ai-typing__dots {
  display: inline-block;
  min-width: 18px;
  font-family: monospace;
}
@keyframes ai-spin { to { transform: rotate(360deg); } }

/* --- Markdown --- */
.ai-markdown p { margin: 0 0 8px; }
.ai-markdown p:last-child { margin-bottom: 0; }
.ai-md__h1, .ai-md__h2, .ai-md__h3 {
  margin: 8px 0 4px;
  color: var(--color-on-surface);
  font-weight: 600;
  line-height: 1.3;
}
.ai-md__h1 { font-size: 18px; }
.ai-md__h2 { font-size: 16px; }
.ai-md__h3 { font-size: 15px; }
.ai-md__ul, .ai-md__ol { margin: 4px 0 8px; padding-left: 22px; }
.ai-md__ul li, .ai-md__ol li { margin: 2px 0; }
.ai-md__quote {
  margin: 6px 0;
  padding: 6px 10px;
  border-left: 3px solid var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 8%, transparent);
  border-radius: 4px;
  color: var(--color-on-surface-secondary);
}
.ai-md__code {
  font-family: 'SF Mono', Menlo, Consolas, monospace;
  font-size: 0.9em;
  padding: 1px 6px;
  border-radius: 4px;
  background: color-mix(in srgb, var(--color-on-surface) 10%, transparent);
}
.ai-md__pre {
  margin: 6px 0;
  padding: 10px 12px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.45;
}
.ai-md__pre code {
  font-family: 'SF Mono', Menlo, Consolas, monospace;
  background: transparent;
  padding: 0;
}
.ai-markdown a {
  color: var(--color-primary);
  text-decoration: underline;
}
[data-theme="dark"] .ai-md__pre,
[data-theme="dark"] .ai-md__code {
  background: color-mix(in srgb, var(--color-on-surface) 12%, transparent);
}

/* --- Input area --- */
.ai-input-area {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 32px;
  box-sizing: border-box;
  display: flex;
  gap: 8px;
  align-items: flex-end;
  z-index: 2;
}

.ai-input-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  transition: border-color 0.15s;
  overflow: hidden;
}
.ai-input-wrap:focus-within { border-color: var(--color-primary); }
[data-theme="dark"] .ai-input-wrap { box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4); }

.ai-input {
  width: 100%;
  box-sizing: border-box;
  min-height: 44px;
  max-height: 160px;
  padding: 10px 14px 4px;
  border: none;
  background: transparent;
  color: var(--color-on-surface);
  font-family: inherit;
  font-size: 14px;
  line-height: 1.4;
  resize: none;
  outline: none;
}
.ai-input::placeholder { color: var(--color-on-surface-secondary); opacity: 0.5; }

.ai-input-bottom {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  padding: 4px 6px 6px;
}

.ai-send-btn {
  width: 36px;
  height: 36px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  flex-shrink: 0;
}
.ai-send-btn--stop {
  background: #e53935;
  border-color: #e53935;
  color: #fff;
}
[data-theme="dark"] .ai-send-btn--stop { color: #fff; }

/* --- Toast --- */
.ai-toast {
  position: fixed;
  bottom: 120px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--color-on-surface);
  color: var(--color-surface);
  padding: 10px 18px;
  border-radius: 20px;
  font-size: 13px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 1000;
}
.ai-toast--visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* --- FAQ / Limit modal content --- */
.ai-faq { font-size: 13px; }
.ai-faq p { margin: 0 0 8px; line-height: 1.45; color: var(--color-on-surface); font-size: 13px; }
.ai-faq__accent { color: var(--color-primary); font-weight: 600; }
.ai-faq__list { margin: 4px 0 0; padding-left: 20px; }
.ai-faq__list li { margin: 3px 0; line-height: 1.45; color: var(--color-on-surface); font-size: 13px; }
.ai-faq__footer { margin-top: 14px; display: flex; justify-content: center; }

.ai-limit { text-align: center; padding: 8px 0; }
.ai-limit__title { font-size: 16px; font-weight: 600; color: var(--color-on-surface); margin-bottom: 12px; }
.ai-limit__text { color: var(--color-on-surface-secondary); line-height: 1.5; margin-bottom: 16px; }
.ai-limit__btn { margin: 0 auto; }