:root {
  --panther: #14110d;
  --panther-soft: #201a15;
  --panther-line: #362c22;
  --peach: #e2a48f;
  --amber-glint: #d7a24a;
  --text: #f3ece3;
  --text-dim: #93887c;

  /* настраиваемые в профиле */
  --user-bubble-color: var(--peach);
  --bubble-radius: 14px;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
  background: var(--panther);
  color: var(--text);
  font-family: 'Inter', sans-serif;
}

.app {
  position: relative;
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  max-width: 640px;
  margin: 0 auto;
  isolation: isolate;
}

/* фирменная текстура: едва заметные розетки ягуара фоном */
.app::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.05;
  background-image:
    radial-gradient(circle at 10px 10px, transparent 0 5px, var(--amber-glint) 5px 6.5px, transparent 6.5px),
    radial-gradient(circle at 55px 35px, transparent 0 4px, var(--amber-glint) 4px 5.2px, transparent 5.2px),
    radial-gradient(circle at 30px 70px, transparent 0 4.5px, var(--amber-glint) 4.5px 6px, transparent 6px),
    radial-gradient(circle at 85px 80px, transparent 0 5px, var(--amber-glint) 5px 6.5px, transparent 6.5px);
  background-size: 120px 120px;
  background-repeat: repeat;
}

.header {
  padding: 20px 20px 14px;
  border-bottom: 1px solid var(--panther-line);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.header-left {
  align-items: center;
}

.header-name-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-mark {
  filter: drop-shadow(0 0 4px rgba(215, 162, 74, 0.55));
  flex-shrink: 0;
}

.header-name {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-weight: 600;
  font-size: 26px;
  letter-spacing: 0.02em;
  color: var(--text);
}

.header-status {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--amber-glint);
  text-transform: lowercase;
}

.chat {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.msg {
  display: flex;
  flex-direction: column;
  max-width: 82%;
  position: relative;
}

.msg-bot {
  align-self: flex-start;
}

.msg-user {
  align-self: flex-end;
  align-items: flex-end;
}

.msg-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  text-transform: lowercase;
  color: var(--amber-glint);
  margin-bottom: 4px;
  letter-spacing: 0.05em;
}

.msg-user .msg-label {
  color: var(--text-dim);
}

.msg-bubble {
  font-size: 15px;
  line-height: 1.5;
  white-space: pre-wrap;
  padding: 10px 14px;
}

.msg-bot .msg-bubble {
  background: var(--panther-soft);
  border: 1px solid var(--panther-line);
  color: var(--text);
  border-radius: 4px var(--bubble-radius) var(--bubble-radius) var(--bubble-radius);
}

.msg-user .msg-bubble {
  background: var(--user-bubble-color);
  color: var(--panther);
  border-radius: var(--bubble-radius) 4px var(--bubble-radius) var(--bubble-radius);
}

.msg-proactive .msg-label::before {
  content: "→ ";
  color: var(--peach);
}

.kaomoji-stamp {
  display: inline-block;
  color: var(--peach);
  font-family: 'IBM Plex Mono', monospace;
  transform: rotate(-3deg);
  margin: 0 2px;
  opacity: 0.9;
}

.composer {
  display: flex;
  gap: 10px;
  padding: 14px 20px 20px;
  border-top: 1px solid var(--panther-line);
}

#input {
  flex: 1;
  background: var(--panther-soft);
  border: 1px solid var(--panther-line);
  border-radius: 10px;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  padding: 10px 12px;
  resize: none;
  max-height: 120px;
}

#input:focus {
  outline: none;
  border-color: var(--amber-glint);
}

#send {
  background: var(--amber-glint);
  color: var(--panther);
  border: none;
  border-radius: 10px;
  padding: 0 18px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  text-transform: lowercase;
}

#send:disabled {
  opacity: 0.5;
  cursor: default;
}

/* --- Хедер, панели чатов и профиля --- */
.header-left, .header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.chats-toggle, .new-chat-btn {
  background: transparent;
  border: 1px solid var(--panther-line);
  color: var(--text-dim);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  padding: 5px 10px;
  border-radius: 6px;
  cursor: pointer;
  text-transform: lowercase;
}

.chats-toggle:hover, .new-chat-btn:hover {
  border-color: var(--amber-glint);
  color: var(--amber-glint);
}

.chats-panel, .profile-panel, .auth-panel {
  display: none;
  flex-direction: column;
  background: var(--panther-soft);
  border-bottom: 1px solid var(--panther-line);
  max-height: 260px;
  overflow-y: auto;
}

.chats-panel.open, .profile-panel.open, .auth-panel.open {
  display: flex;
}

.chat-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
  font-size: 13px;
  color: var(--text);
  border-bottom: 1px solid var(--panther-line);
  cursor: pointer;
}

.chat-item:hover {
  background: #2a2117;
}

.chat-item.active {
  color: var(--amber-glint);
}

.chat-item-delete {
  color: var(--peach);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  padding: 2px 8px;
}

.profile-panel {
  padding: 16px 20px 20px;
  gap: 16px;
}

.profile-section-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  text-transform: lowercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.swatches {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.swatch {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  padding: 0;
}

.swatch.active {
  border-color: var(--amber-glint);
}

.swatch-custom {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--panther-line);
  padding: 0;
  background: transparent;
  cursor: pointer;
}

.radius-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.radius-row input[type="range"] {
  flex: 1;
  accent-color: var(--amber-glint);
}

.radius-preview {
  width: 34px;
  height: 34px;
  background: var(--user-bubble-color);
  border-radius: var(--bubble-radius) 4px var(--bubble-radius) var(--bubble-radius);
  flex-shrink: 0;
}

.proactive-gap {
  height: 4px;
}

.typing-indicator {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.typing-text {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--text-dim);
  text-transform: lowercase;
}

.typing-dots {
  display: inline-flex;
  gap: 4px;
}

.typing-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--amber-glint);
  opacity: 0.4;
  animation: typing-bounce 1.2s infinite ease-in-out;
}

.typing-dots span:nth-child(1) { animation-delay: 0s; }
.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-4px); opacity: 1; }
}

/* --- Вход / регистрация --- */
.auth-panel {
  padding: 16px 20px 20px;
  gap: 14px;
}

.auth-tabs {
  display: flex;
  gap: 8px;
}

.auth-tab {
  background: transparent;
  border: 1px solid var(--panther-line);
  color: var(--text-dim);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  text-transform: lowercase;
}

.auth-tab.active {
  border-color: var(--amber-glint);
  color: var(--amber-glint);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.auth-form input {
  background: var(--panther);
  border: 1px solid var(--panther-line);
  border-radius: 8px;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  padding: 10px 12px;
}

.auth-form input:focus {
  outline: none;
  border-color: var(--amber-glint);
}

.auth-form button[type="submit"] {
  background: var(--amber-glint);
  color: var(--panther);
  border: none;
  border-radius: 8px;
  padding: 10px 14px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  text-transform: lowercase;
}

.auth-error {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--peach);
  min-height: 14px;
}

/* --- Гостевой баннер --- */
.guest-banner {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 20px;
  background: #2a2117;
  border-bottom: 1px solid var(--panther-line);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--text-dim);
  text-transform: lowercase;
}

.guest-banner button {
  background: transparent;
  border: 1px solid var(--amber-glint);
  color: var(--amber-glint);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  padding: 5px 10px;
  border-radius: 6px;
  cursor: pointer;
  text-transform: lowercase;
  white-space: nowrap;
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--amber-glint);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .typing-dots span {
    animation: none;
    opacity: 0.7;
  }
}