/* ============================================================ */
/* WAIproger — waichat.css                                     */
/* Chat UI — unified with b.css design system                  */
/* ============================================================ */

/* ── МАКЕТ ──────────────────────────────────────────────────── */
.wai-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 290px 1fr;
  height: calc(100dvh - var(--top-stack));
  margin-top: var(--top-stack);
  overflow: hidden;
}
.wai-layout.sidebar-hidden {
  grid-template-columns: 0 1fr;
}

@media (max-width: 900px) {
  .wai-layout { grid-template-columns: 1fr; }
  .wai-sidebar {
    position: fixed;
    left: -300px;
    top: var(--top-stack);
    height: calc(100dvh - var(--top-stack));
    z-index: 9500;
    width: 290px;
    transition: left 0.4s var(--ease-sharp);
  }
  .wai-layout.sidebar-open .wai-sidebar {
    left: 0;
    box-shadow: 8px 0 40px rgba(0,0,0,0.7);
  }
}

/* ── SIDEBAR ─────────────────────────────────────────────────── */
.wai-sidebar {
  background: var(--glass);
  border-right: 1px solid var(--border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

/* Аватар */
.wai-avatar-block {
  padding: 22px 18px 18px;
  display: flex;
  align-items: center;
  gap: 13px;
  border-bottom: 1px solid var(--border);
  background: var(--glass-light);
  flex-shrink: 0;
}
.wai-avatar {
  position: relative;
  width: 50px; height: 50px;
  flex-shrink: 0;
}
.wai-avatar-ring {
  position: absolute; inset: 0;
  border-radius: 50%;
  border: 1.5px solid var(--accent);
  opacity: 0.35;
  animation: ring-spin 8s linear infinite;
}
.wai-avatar-ring--2 {
  inset: -6px;
  border-style: dashed;
  opacity: 0.18;
  animation-duration: 14s;
  animation-direction: reverse;
}
.wai-avatar-core {
  position: absolute; inset: 6px;
  border-radius: 50%;
  background: var(--carbon-2);
  border: 1px solid var(--border-hot);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  color: var(--accent);
  box-shadow: 0 0 18px var(--accent-glow);
}
.wai-avatar-pulse {
  position: absolute; inset: 0;
  border-radius: 50%;
  background: var(--accent-glow-sm);
  animation: status-ping 3s ease-in-out infinite;
}
.wai-avatar-name  { font-family: var(--font-heading); font-size: 0.92rem; font-weight: 700; color: var(--birch-0); }
.wai-avatar-model { font-family: var(--font-mono); font-size: 0.6rem; color: var(--text-dim); letter-spacing: 1px; margin-top: 2px; }

/* Секции сайдбара */
.wai-sidebar-section {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.wai-sidebar-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: var(--text-dim);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

/* Кнопки режима */
.wai-mode-list { display: flex; flex-direction: column; gap: 5px; }
.wai-mode-btn {
  display: flex; align-items: center; gap: 11px;
  padding: 10px 12px;
  background: var(--carbon-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.2s var(--ease-bounce);
  width: 100%; text-align: left;
}
.wai-mode-btn:hover  { background: var(--carbon-4); border-color: var(--accent); transform: translateX(2px); }
.wai-mode-btn.active { background: var(--accent-glow-sm); border-color: var(--border-hot); }
.wmb-icon { font-size: 1.15rem; flex-shrink: 0; }
.wmb-info { flex: 1; }
.wmb-name { font-family: var(--font-heading); font-size: 0.82rem; font-weight: 700; color: var(--birch-0); }
.wai-mode-btn.active .wmb-name { color: var(--accent); }
.wmb-desc { font-size: 0.68rem; color: var(--text-dim); margin-top: 1px; }
.wmb-check { color: var(--accent); font-size: 0.75rem; opacity: 0; transition: opacity 0.2s; }
.wai-mode-btn.active .wmb-check { opacity: 1; }

/* Быстрый старт */
.wai-quick-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; }
.wai-quick-btn {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 9px 5px;
  background: var(--carbon-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.2s var(--ease-bounce);
  color: var(--text-mid); text-align: center;
}
.wai-quick-btn:hover { background: var(--accent-glow-sm); border-color: var(--accent); transform: scale(1.03); color: var(--birch-0); }
.wqb-icon { font-size: 1.05rem; }
.wqb-text { font-size: 0.66rem; line-height: 1.3; }

/* Статистика */
.wai-session-stats { display: flex; }
.wss-item { flex: 1; text-align: center; padding: 7px 4px; }
.wss-val   { font-family: var(--font-display); font-size: 1.25rem; color: var(--accent); line-height: 1; text-shadow: 0 0 12px var(--accent-glow); }
.wss-label { font-size: 0.58rem; color: var(--text-dim); letter-spacing: 1px; text-transform: uppercase; font-family: var(--font-mono); margin-top: 2px; }

/* Хоткеи */
.wai-shortcuts { display: flex; flex-direction: column; gap: 5px; }
.wai-shortcut  { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 0.7rem; color: var(--text-dim); }
.wai-shortcut kbd { background: var(--carbon-3); border: 1px solid var(--border); border-radius: 4px; padding: 2px 6px; font-family: var(--font-mono); font-size: 0.62rem; color: var(--text-mid); }

/* ── СТАТУС В ХЕДЕРЕ ─────────────────────────────────────────── */
.wai-header-status {
  display: flex; align-items: center; gap: 7px;
  font-family: var(--font-mono); font-size: 0.68rem;
}
.wai-status-text { color: var(--text-dim); letter-spacing: 1px; }
.wai-status-text.loading { color: var(--accent); }
.wai-status-text.error   { color: #ff6b4a; }

/* ── ОБЛАСТЬ ЧАТА ─────────────────────────────────────────────── */
.wai-chat-area {
  display: flex; flex-direction: column;
  height: 100%; overflow: hidden;
  position: relative;
}

/* Топбар чата */
.wai-chat-topbar {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 18px;
  background: var(--glass);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  flex-shrink: 0;
}
.wai-sidebar-toggle {
  width: 34px; height: 34px;
  background: var(--carbon-2); border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
  cursor: pointer; transition: border-color 0.2s; flex-shrink: 0;
}
.wai-sidebar-toggle span { display: block; width: 13px; height: 1.5px; background: var(--text-dim); border-radius: 2px; }
.wai-sidebar-toggle:hover { border-color: var(--accent); }
.wai-topbar-mode {
  flex: 1; display: flex; align-items: center; gap: 8px;
  font-family: var(--font-heading); font-size: 0.82rem; font-weight: 600; color: var(--birch-0);
}
.wai-mode-icon { font-size: 1.05rem; }
.wai-topbar-actions { display: flex; gap: 5px; }
.wai-action-btn {
  width: 32px; height: 32px;
  background: var(--carbon-2); border: 1px solid var(--border); border-radius: var(--radius-sm);
  cursor: pointer; font-size: 0.85rem;
  display: flex; align-items: center; justify-content: center;
  transition: border-color 0.2s, background 0.2s;
}
.wai-action-btn:hover { border-color: var(--accent); background: var(--accent-glow-sm); }

/* ── ПАНЕЛИ РЕЖИМОВ ───────────────────────────────────────────── */
.wai-mode-panel {
  background: var(--carbon-2);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  overflow: hidden;
  max-height: 260px;
  transition: max-height 0.4s var(--ease-smooth);
}
.wai-mode-panel.collapsed { max-height: 0; }

.wmp-inner { padding: 16px 20px; }
.wmp-inner.hidden { display: none; }
.wmp-title { font-family: var(--font-heading); font-size: 0.88rem; font-weight: 700; color: var(--birch-0); margin-bottom: 4px; }
.wmp-desc  { font-size: 0.76rem; color: var(--text-dim); line-height: 1.5; margin-bottom: 11px; }

/* Наставник: топик-пилюли */
.wmp-topics { display: flex; flex-wrap: wrap; gap: 6px; }
.wmp-topic {
  padding: 5px 12px;
  background: var(--carbon-3); border: 1px solid var(--border); border-radius: 20px;
  font-size: 0.72rem; color: var(--text-mid); cursor: pointer;
  font-family: var(--font-mono); letter-spacing: 0.5px;
  transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.2s;
}
.wmp-topic:hover { background: var(--accent-glow-sm); border-color: var(--accent); color: var(--birch-0); transform: translateY(-2px); }

/* Кодер */
.wmp-code-input-wrap { display: flex; flex-direction: column; gap: 8px; }
.wmp-code-controls { display: flex; align-items: center; gap: 10px; }
.wmp-lang-select {
  background: var(--carbon-3); border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text-bright); font-family: var(--font-mono); font-size: 0.73rem;
  padding: 5px 9px; outline: none; cursor: pointer; width: fit-content;
}
.wmp-code-textarea {
  background: var(--carbon-1); border: 1px solid var(--border); border-radius: var(--radius-md);
  color: var(--text-bright); font-family: var(--font-mono); font-size: 0.76rem;
  padding: 10px 13px; resize: none; outline: none; line-height: 1.6; width: 100%;
  transition: border-color 0.25s;
}
.wmp-code-textarea:focus { border-color: var(--accent); }

/* Универсальная кнопка отправки в панелях */
.wmp-submit-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px;
  background: var(--accent); border: none; border-radius: var(--radius-md);
  color: var(--carbon-0); font-family: var(--font-heading); font-size: 0.85rem; font-weight: 700;
  cursor: pointer; box-shadow: 0 0 16px var(--accent-glow);
  transition: transform 0.2s var(--ease-bounce), box-shadow 0.2s, opacity 0.2s;
  align-self: flex-start;
}
.wmp-submit-btn:hover  { transform: translateY(-2px); box-shadow: 0 6px 24px var(--accent-glow); }
.wmp-submit-btn:active { transform: translateY(0); }

/* Экзаменатор */
.wmp-exam-setup { display: flex; flex-direction: column; gap: 10px; }
.wmp-exam-topics { display: flex; gap: 6px; flex-wrap: wrap; }
.wmp-exam-topic-btn {
  padding: 5px 13px;
  background: var(--carbon-3); border: 1px solid var(--border); border-radius: 20px;
  font-size: 0.72rem; color: var(--text-mid); cursor: pointer; font-family: var(--font-mono);
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.wmp-exam-topic-btn.active { background: var(--accent-glow-sm); border-color: var(--border-hot); color: var(--accent); }
.wmp-exam-topic-btn:hover  { border-color: var(--accent); color: var(--birch-0); }

.wmp-exam-scoreboard { display: flex; gap: 20px; align-items: center; }
.wmp-exam-score-item { display: flex; align-items: baseline; gap: 2px; flex-direction: column; }
.wesv { font-family: var(--font-display); font-size: 1.6rem; color: var(--accent); line-height: 1; text-shadow: 0 0 12px var(--accent-glow); }
.wess { font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-dim); }
.wesl { font-family: var(--font-mono); font-size: 0.6rem; color: var(--text-dim); letter-spacing: 1.5px; text-transform: uppercase; margin-top: 1px; }

/* Навигатор */
.wmp-nav-setup { display: flex; flex-direction: column; gap: 10px; }
.wmp-nav-row   { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.wmp-nav-label { font-size: 0.7rem; color: var(--text-dim); font-family: var(--font-mono); letter-spacing: 1px; white-space: nowrap; }
.wmp-nav-tracks, .wmp-nav-levels { display: flex; flex-wrap: wrap; gap: 5px; }
.wmp-track-btn, .wmp-level-btn {
  padding: 5px 11px;
  background: var(--carbon-3); border: 1px solid var(--border); border-radius: 16px;
  font-size: 0.7rem; color: var(--text-mid); cursor: pointer; font-family: var(--font-mono);
  transition: background 0.2s, border-color 0.2s, color 0.2s; white-space: nowrap;
}
.wmp-track-btn.active, .wmp-level-btn.active { background: var(--accent-glow-sm); border-color: var(--border-hot); color: var(--accent); }
.wmp-track-btn:hover, .wmp-level-btn:hover   { border-color: var(--accent); color: var(--birch-0); }

/* ── СООБЩЕНИЯ ───────────────────────────────────────────────── */
.wai-messages {
  flex: 1; overflow-y: auto; overflow-x: hidden;
  padding: 22px 22px 10px;
  display: flex; flex-direction: column; gap: 14px;
  scroll-behavior: smooth;
  scrollbar-width: thin; scrollbar-color: var(--border) transparent;
}

/* Приветствие */
.wai-welcome {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  gap: 14px; padding: 36px 20px; margin: auto;
  animation: welcomeFadeIn 0.7s var(--ease-bounce) both;
}
@keyframes welcomeFadeIn { from{ opacity:0; transform:translateY(24px); } to{ opacity:1; transform:translateY(0); } }
.wai-welcome-logo { position: relative; width: 72px; height: 72px; margin: 0 auto; }
.wai-wl-hex {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.8rem; color: var(--accent);
  text-shadow: 0 0 30px var(--accent-glow);
  animation: dna-float 3s ease-in-out infinite;
}
.wai-wl-glow {
  position: absolute; inset: -10px; border-radius: 50%;
  background: var(--accent-glow-sm); filter: blur(18px);
  animation: sphere-breathe 4s ease-in-out infinite;
}
.wai-welcome-title {
  font-family: var(--font-display); font-size: 2.6rem; color: var(--birch-0); letter-spacing: 4px; line-height: 1;
}
.wai-wt-accent { color: var(--accent); text-shadow: 0 0 20px var(--accent-glow); }
.wai-welcome-sub { font-size: 0.9rem; color: var(--text-mid); line-height: 1.7; max-width: 360px; }
.wai-welcome-chips { display: flex; flex-wrap: wrap; gap: 7px; justify-content: center; }
.wai-chip {
  padding: 4px 11px;
  background: var(--glass-light); border: 1px solid var(--border); border-radius: 20px;
  font-size: 0.7rem; color: var(--text-mid); font-family: var(--font-mono); letter-spacing: 0.5px;
  transition: border-color 0.2s, color 0.2s;
}
.wai-chip:hover { border-color: var(--accent); color: var(--accent); }
.wai-welcome-hint { font-size: 0.7rem; color: var(--text-dim); letter-spacing: 2px; font-family: var(--font-mono); display: flex; align-items: center; gap: 5px; }

/* Сообщения */
.wai-message { display: flex; gap: 10px; align-items: flex-start; animation: msg-in 0.4s var(--ease-bounce) both; }
@keyframes msg-in { from{ opacity:0; transform:translateY(12px); } to{ opacity:1; transform:translateY(0); } }
.wai-message--user { flex-direction: row-reverse; }
.wai-msg-avatar {
  width: 32px; height: 32px; border-radius: 50%; border: 1.5px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.95rem; flex-shrink: 0;
  background: var(--carbon-2); color: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow-sm);
}
.wai-message--user .wai-msg-avatar { border-color: var(--birch-3); color: var(--birch-2); box-shadow: none; }

.wai-bubble { max-width: min(70%, 700px); display: flex; flex-direction: column; gap: 5px; }
.wai-message--user .wai-bubble { align-items: flex-end; }
.wai-bubble-header { display: flex; align-items: center; gap: 7px; font-size: 0.68rem; color: var(--text-dim); font-family: var(--font-mono); }
.wai-message--user .wai-bubble-header { flex-direction: row-reverse; }
.wai-bubble-name { font-weight: 700; color: var(--text-mid); }

.wai-bubble-content {
  background: var(--carbon-2); border: 1px solid var(--border);
  border-radius: 4px 16px 16px 16px;
  padding: 13px 17px;
  font-size: 0.88rem; color: var(--text-bright); line-height: 1.75;
  position: relative; overflow: hidden;
  box-shadow: 0 4px 18px rgba(0,0,0,0.3);
}
.wai-bubble-content::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent); opacity: 0.4;
}
.wai-message--user .wai-bubble-content {
  background: var(--accent-glow-sm); border-color: var(--border-hot);
  border-radius: 16px 4px 16px 16px;
  box-shadow: 0 0 14px var(--accent-glow-sm);
}
.wai-message--user .wai-bubble-content::before { background: linear-gradient(90deg, transparent, var(--accent)); }

/* Markdown внутри пузырей */
.wai-bubble-content p           { margin-bottom: 8px; }
.wai-bubble-content p:last-child{ margin-bottom: 0; }
.wai-bubble-content h1,.wai-bubble-content h2,.wai-bubble-content h3 { font-family: var(--font-heading); color: var(--birch-0); margin: 12px 0 6px; }
.wai-bubble-content h2 { font-size: 1rem; }
.wai-bubble-content h3 { font-size: 0.9rem; }
.wai-bubble-content ul,.wai-bubble-content ol { padding-left: 20px; margin-bottom: 8px; }
.wai-bubble-content li { margin-bottom: 3px; }
.wai-bubble-content strong { color: var(--birch-0); font-weight: 700; }
.wai-bubble-content em     { color: var(--text-mid); font-style: italic; }
.wai-bubble-content a      { color: var(--accent-soft); text-decoration: underline; }
.wai-bubble-content blockquote { border-left: 3px solid var(--accent); padding-left: 12px; margin: 8px 0; color: var(--text-mid); font-style: italic; }
.wai-bubble-content hr { border: none; border-top: 1px solid var(--border); margin: 12px 0; }
.wai-bubble-content code {
  background: var(--carbon-1); border: 1px solid var(--border); border-radius: 4px;
  padding: 1px 5px; font-family: var(--font-mono); font-size: 0.82em; color: var(--accent);
}

/* Таблицы в ответах AI (для режима Кодер) */
.wai-bubble-content table {
  width: 100%; border-collapse: collapse; margin: 12px 0;
  font-size: 0.8rem; border-radius: var(--radius-md); overflow: hidden;
}
.wai-bubble-content th {
  padding: 7px 12px; background: var(--carbon-3);
  border: 1px solid var(--border);
  font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--accent); text-align: left;
}
.wai-bubble-content td {
  padding: 7px 12px; border: 1px solid var(--border);
  color: var(--text-mid); vertical-align: middle; line-height: 1.5;
}
.wai-bubble-content tr:hover td { background: var(--glass-light); }

/* Блоки кода */
.wai-code-block {
  margin: 10px 0;
  background: var(--carbon-1); border: 1px solid var(--border);
  border-radius: var(--radius-md); overflow: hidden;
}
.wai-code-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 7px 13px;
  background: var(--carbon-2); border-bottom: 1px solid var(--border);
}
.wai-code-lang { font-family: var(--font-mono); font-size: 0.62rem; color: var(--accent); letter-spacing: 2px; text-transform: uppercase; }
.wai-code-copy {
  background: none; border: 1px solid var(--border); border-radius: 4px;
  color: var(--text-dim); font-family: var(--font-mono); font-size: 0.62rem;
  padding: 2px 9px; cursor: pointer; transition: border-color 0.2s, color 0.2s;
}
.wai-code-copy:hover, .wai-code-copy.copied { border-color: var(--accent); color: var(--accent); }
.wai-code-block pre { margin: 0; padding: 13px; overflow-x: auto; font-family: var(--font-mono); font-size: 0.8rem; line-height: 1.6; color: var(--birch-1); }
.wai-code-block code { background: none; border: none; padding: 0; color: inherit; font-size: inherit; }

/* Действия у пузыря */
.wai-bubble-actions { display: flex; gap: 5px; opacity: 0; transition: opacity 0.2s; flex-wrap: wrap; }
.wai-message:hover .wai-bubble-actions { opacity: 1; }
.wai-bubble-action {
  background: var(--carbon-3); border: 1px solid var(--border); border-radius: 20px;
  color: var(--text-dim); font-size: 0.66rem; padding: 3px 9px; cursor: pointer;
  font-family: var(--font-mono); transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.wai-bubble-action:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow-sm); }

/* Курсор стриминга */
.wai-stream-cursor {
  display: inline-block; width: 7px; height: 14px;
  background: var(--accent); margin-left: 2px; vertical-align: text-bottom;
  border-radius: 1px; animation: blink 0.7s step-end infinite;
  box-shadow: 0 0 6px var(--accent-glow);
}

/* ── ИНДИКАТОР ЗАГРУЗКИ ──────────────────────────────────────── */
.wai-typing {
  display: none; align-items: center; gap: 10px;
  padding: 7px 22px; flex-shrink: 0;
}
.wai-typing.visible { display: flex; }
.wai-typing-avatar { font-size: 1rem; color: var(--accent); animation: dna-float 2s ease-in-out infinite; }
.wai-typing-dots   { display: flex; gap: 3px; }
.wai-typing-dots span {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent); animation: typing-bounce 1.2s ease-in-out infinite;
  box-shadow: 0 0 5px var(--accent-glow);
}
.wai-typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.wai-typing-dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typing-bounce { 0%,80%,100%{ transform:scale(1); opacity:0.5; } 40%{ transform:scale(1.4); opacity:1; } }
.wai-typing-label { font-size: 0.7rem; color: var(--text-dim); font-family: var(--font-mono); letter-spacing: 1px; }

/* ── ПОЛЕ ВВОДА ───────────────────────────────────────────────── */
.wai-input-area {
  padding: 9px 18px 12px;
  border-top: 1px solid var(--border);
  background: var(--glass); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  flex-shrink: 0;
}
.wai-followups { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 7px; }
.wai-followup-btn {
  padding: 4px 11px;
  background: var(--carbon-3); border: 1px solid var(--border); border-radius: 20px;
  font-size: 0.7rem; color: var(--text-mid); cursor: pointer; font-family: var(--font-mono);
  transition: border-color 0.2s, color 0.2s, background 0.2s, transform 0.15s;
}
.wai-followup-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow-sm); transform: translateY(-2px); }

.wai-input-row { display: flex; align-items: flex-end; gap: 7px; }
.wai-input-btn {
  width: 36px; height: 36px;
  background: var(--carbon-2); border: 1px solid var(--border); border-radius: var(--radius-md);
  color: var(--text-dim); cursor: pointer; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  transition: border-color 0.2s, color 0.2s; font-size: 0.95rem;
}
.wai-input-btn:hover { border-color: var(--accent); color: var(--accent); }
.wai-input-btn.voice-active { border-color: #ff6b4a; color: #ff6b4a; animation: status-ping 1s ease-in-out infinite; }

.wai-textarea-wrap { flex: 1; position: relative; }
.wai-textarea {
  width: 100%; background: var(--carbon-2); border: 1px solid var(--border);
  border-radius: var(--radius-md); color: var(--text-bright);
  font-family: var(--font-body); font-size: 0.88rem; line-height: 1.5;
  padding: 9px 13px; resize: none; outline: none; max-height: 180px; overflow-y: auto;
  transition: border-color 0.25s; display: block;
}
.wai-textarea:focus { border-color: var(--border-hot); }
.wai-textarea::placeholder { color: var(--text-dim); }
.wai-input-border {
  position: absolute; bottom: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0; transition: opacity 0.3s;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}
.wai-textarea:focus ~ .wai-input-border { opacity: 1; }

.wai-send-btn {
  width: 40px; height: 40px; border-radius: var(--radius-md);
  background: var(--accent); border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  position: relative; overflow: hidden;
  box-shadow: 0 0 14px var(--accent-glow);
  transition: opacity 0.25s, transform 0.25s var(--ease-bounce), box-shadow 0.25s;
}
.wai-send-btn:not(:disabled):hover { transform: scale(1.08); box-shadow: 0 0 26px var(--accent-glow); }
.wai-send-btn:disabled { opacity: 0.3; cursor: not-allowed; }
.wai-send-icon { color: var(--carbon-0); }
.wai-send-ripple {
  position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(255,255,255,0.3), transparent 70%);
  opacity: 0; transition: opacity 0.3s;
}
.wai-send-btn:not(:disabled):hover .wai-send-ripple { opacity: 1; }

.wai-input-footer {
  display: flex; justify-content: space-between; margin-top: 4px;
  font-size: 0.62rem; font-family: var(--font-mono); color: var(--text-dim);
}
.wai-char-count.warn { color: #ffd60a; }
.wai-char-count.over { color: #ff6b4a; }
.wai-powered { opacity: 0.6; }

/* ── МОДАЛЬНОЕ ОКНО ──────────────────────────────────────────── */
.wai-modal-overlay {
  position: fixed; inset: 0; z-index: 99990;
  background: rgba(0,0,0,0.78); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity 0.3s;
}
.wai-modal-overlay.open { opacity: 1; pointer-events: all; }
.wai-modal {
  background: var(--carbon-2); border: 1px solid var(--border); border-radius: var(--radius-xl);
  width: min(560px, 94vw); overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,0.7), 0 0 40px var(--accent-glow-sm);
  transform: translateY(18px) scale(0.97); transition: transform 0.35s var(--ease-bounce);
}
.wai-modal-overlay.open .wai-modal { transform: translateY(0) scale(1); }
.wai-modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--border); background: var(--glass-light);
}
.wai-modal-title { font-family: var(--font-mono); font-size: 0.72rem; color: var(--accent); letter-spacing: 2px; }
.wai-modal-close { background: none; border: none; color: var(--text-dim); font-size: 1rem; cursor: pointer; transition: color 0.2s; }
.wai-modal-close:hover { color: var(--text-bright); }
.wai-modal-body { padding: 18px 20px; display: flex; flex-direction: column; gap: 11px; }
.wai-modal-lang {
  background: var(--carbon-3); border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text-bright); font-family: var(--font-mono); font-size: 0.73rem;
  padding: 6px 9px; outline: none; width: 155px; cursor: pointer;
}
.wai-modal-textarea {
  background: var(--carbon-1); border: 1px solid var(--border); border-radius: var(--radius-md);
  color: var(--text-bright); font-family: var(--font-mono); font-size: 0.78rem;
  padding: 11px 13px; resize: vertical; outline: none; width: 100%; line-height: 1.6;
  transition: border-color 0.25s;
}
.wai-modal-textarea:focus { border-color: var(--accent); }
.wai-modal-q-input {
  background: var(--carbon-3); border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text-bright); font-family: var(--font-body); font-size: 0.83rem;
  padding: 8px 13px; outline: none; width: 100%; transition: border-color 0.25s;
}
.wai-modal-q-input:focus { border-color: var(--accent); }
.wai-modal-footer { display: flex; gap: 9px; justify-content: flex-end; padding: 14px 20px; border-top: 1px solid var(--border); }
.wai-modal-cancel {
  background: var(--carbon-3); border: 1px solid var(--border); border-radius: var(--radius-md);
  color: var(--text-dim); font-family: var(--font-heading); font-size: 0.83rem; font-weight: 600;
  padding: 9px 17px; cursor: pointer; transition: border-color 0.2s, color 0.2s;
}
.wai-modal-cancel:hover { border-color: var(--accent); color: var(--text-bright); }
.wai-modal-submit {
  background: var(--accent); border: none; border-radius: var(--radius-md);
  color: var(--carbon-0); font-family: var(--font-heading); font-size: 0.83rem; font-weight: 700;
  padding: 9px 18px; cursor: pointer; box-shadow: 0 0 14px var(--accent-glow);
  transition: transform 0.2s var(--ease-bounce), box-shadow 0.2s;
}
.wai-modal-submit:hover { transform: translateY(-2px); box-shadow: 0 5px 22px var(--accent-glow); }

/* ── ТОСТЫ ───────────────────────────────────────────────────── */
.wai-toasts {
  position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%);
  z-index: 99999; display: flex; flex-direction: column; gap: 7px; pointer-events: none;
}
.wai-toast {
  padding: 9px 18px;
  background: var(--carbon-2); border: 1px solid var(--border-hot); border-radius: 30px;
  font-family: var(--font-mono); font-size: 0.75rem; color: var(--accent);
  white-space: nowrap;
  animation: toast-in 0.4s var(--ease-bounce) both;
  box-shadow: 0 5px 18px rgba(0,0,0,0.5), 0 0 14px var(--accent-glow-sm);
}
.wai-toast.error { color: #ff6b4a; border-color: rgba(255,107,74,0.5); }
.wai-toast.info  { color: var(--text-mid); border-color: var(--border); }
.wai-toast.fade-out { animation: toast-out 0.3s ease both; }
@keyframes toast-in  { from{ opacity:0; transform:translateY(10px) scale(0.95); } to{ opacity:1; transform:translateY(0) scale(1); } }
@keyframes toast-out { to{ opacity:0; transform:translateY(-5px) scale(0.95); } }

/* ── АДАПТИВНОСТЬ ────────────────────────────────────────────── */
@media (max-width: 900px) {
  .wai-layout { grid-template-columns: 1fr; }
  .wai-bubble { max-width: 88%; }
  .wmp-nav-row { flex-direction: column; align-items: flex-start; }
  .wai-mode-panel { max-height: 300px; overflow-y: auto; }
}
@media (max-width: 600px) {
  .wai-messages { padding: 14px 10px 8px; }
  .wai-input-area { padding: 7px 10px 10px; }
  .wai-chat-topbar { padding: 7px 10px; }
  .wai-avatar-block { padding: 16px 14px; }
}