/* ===== Chat Widget — matches site design system ===== */
.chat-widget {
  --chat-primary: #5B9AD6;
  --chat-primary-dark: #0E1826;
  --chat-accent: #D9852E;
  --chat-accent-soft: #E5AB66;
  --chat-surface: #152130;
  --chat-surface-2: #1A2B3E;
  --chat-bg: #111A27;
  --chat-text: #E2E8F0;
  --chat-muted: #8B9AAB;
  --chat-border: rgba(255, 255, 255, 0.08);
  --chat-field: rgba(8, 12, 18, 0.55);
  --chat-shadow: 0 24px 56px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255,255,255,0.04);
  --chat-radius: 22px;
  --chat-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --chat-spring: cubic-bezier(0.34, 1.4, 0.64, 1);

  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 200;
  font-family: 'Figtree', 'Segoe UI', sans-serif;
}

/* Toggle button */
.chat-widget__toggle {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  transition: transform 0.3s var(--chat-ease);
}
.chat-widget__toggle:hover { transform: scale(1.04) translateY(-2px); }
.chat-widget__toggle:active { transform: scale(0.96); }

.chat-widget__toggle-label {
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--chat-text);
  background: rgba(16, 27, 43, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: 100px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.55);
  border: 1px solid var(--chat-border);
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.3s, transform 0.3s var(--chat-ease);
}
.chat-widget--open .chat-widget__toggle-label {
  opacity: 0;
  transform: translateX(20px);
  pointer-events: none;
}

.chat-widget__toggle-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--chat-accent) 0%, #E09440 100%);
  box-shadow: 0 8px 28px rgba(217, 133, 46, 0.45);
  color: #fff;
  transition: box-shadow 0.35s var(--chat-ease), transform 0.35s var(--chat-spring);
  animation: chatTogglePulse 3.8s var(--chat-ease) infinite;
}
.chat-widget--open .chat-widget__toggle-btn { animation: none; }
.chat-widget__toggle:hover .chat-widget__toggle-btn {
  box-shadow: 0 14px 40px rgba(217, 133, 46, 0.58);
}
@keyframes chatTogglePulse {
  0%, 100% { box-shadow: 0 8px 28px rgba(217, 133, 46, 0.42); }
  50% { box-shadow: 0 10px 36px rgba(217, 133, 46, 0.58), 0 0 0 8px rgba(217, 133, 46, 0.08); }
}
.chat-widget__toggle-icon { transition: transform 0.35s var(--chat-ease), opacity 0.2s; }
.chat-widget__toggle-icon--close { position: absolute; opacity: 0; transform: rotate(-90deg) scale(0.5); }
.chat-widget--open .chat-widget__toggle-icon--open { opacity: 0; transform: rotate(90deg) scale(0.5); }
.chat-widget--open .chat-widget__toggle-icon--close { opacity: 1; transform: rotate(0) scale(1); }

.chat-widget__badge {
  position: absolute;
  top: -2px;
  right: -2px;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  font-size: 11px;
  font-weight: 700;
  line-height: 20px;
  text-align: center;
  color: #fff;
  background: var(--chat-primary);
  border-radius: 100px;
  border: 2px solid var(--chat-surface);
  display: none;
}
.chat-widget__badge.is-visible { display: block; }

/* Panel */
.chat-widget__backdrop {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: rgba(8, 12, 18, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.35s var(--chat-ease), visibility 0.35s;
}
.chat-widget--open .chat-widget__backdrop {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.chat-widget__panel {
  position: absolute;
  bottom: 76px;
  right: 0;
  width: 400px;
  max-width: calc(100vw - 40px);
  max-height: calc(100vh - 120px);
  max-height: calc(100dvh - 120px);
  display: flex;
  flex-direction: column;
  background: var(--chat-surface);
  border-radius: var(--chat-radius);
  box-shadow: var(--chat-shadow);
  border: 1px solid var(--chat-border);
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(20px) scale(0.94);
  filter: blur(6px);
  transform-origin: bottom right;
  transition:
    opacity 0.4s var(--chat-ease),
    transform 0.45s var(--chat-spring),
    filter 0.4s var(--chat-ease),
    visibility 0.4s;
}
.chat-widget--open .chat-widget__panel {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0) scale(1);
  filter: blur(0);
}

/* Header */
.chat-widget__header {
  position: relative;
  padding: 20px 22px;
  padding-right: 56px;
  background:
    radial-gradient(ellipse 80% 100% at 100% 0%, rgba(217, 133, 46, 0.18) 0%, transparent 60%),
    linear-gradient(135deg, #1A2B3E 0%, var(--chat-primary-dark) 100%);
  border-bottom: 1px solid var(--chat-border);
  color: #fff;
}

.chat-widget__close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.2s var(--chat-ease), transform 0.2s var(--chat-ease), border-color 0.2s var(--chat-ease);
}
.chat-widget__close:hover {
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.35);
}
.chat-widget__close:active { transform: scale(0.92); }

.chat-widget__header-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.chat-widget__brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.chat-widget__brand img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}
.chat-widget__brand-name {
  font-family: 'Sora', 'Figtree', sans-serif;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.chat-widget__brand-sub {
  font-size: 12px;
  color: rgba(255,255,255,0.65);
  margin-top: 2px;
}

.chat-widget__status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 100px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
}
.chat-widget__status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.chat-widget__status--online .chat-widget__status-dot {
  background: #3DBF8C;
  box-shadow: 0 0 8px rgba(52, 211, 153, 0.8);
  animation: chatPulse 2s ease-in-out infinite;
}
.chat-widget__status--lunch .chat-widget__status-dot { background: #E0A84A; }
.chat-widget__status--offline .chat-widget__status-dot { background: #7A8A9C; }

@keyframes chatPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.chat-widget__schedule {
  font-size: 11px;
  line-height: 1.55;
  color: rgba(255,255,255,0.55);
}
.chat-widget__schedule strong { color: rgba(255,255,255,0.8); font-weight: 600; }

.chat-widget__hint {
  padding: 12px 22px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--chat-muted);
  background: var(--chat-bg);
  border-bottom: 1px solid var(--chat-border);
}

/* Intro form */
.chat-widget__intro {
  padding: 20px 22px;
  border-bottom: 1px solid var(--chat-border);
}
.chat-widget__intro-title {
  font-family: 'Manrope', sans-serif;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--chat-text);
}
.chat-widget__intro-desc {
  font-size: 13px;
  color: var(--chat-muted);
  margin-bottom: 16px;
}
.chat-widget__field { margin-bottom: 12px; }
.chat-widget__field label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--chat-text);
  margin-bottom: 6px;
}
.chat-widget__field input {
  width: 100%;
  padding: 11px 14px;
  font-family: inherit;
  font-size: 14px;
  color: var(--chat-text);
  background: var(--chat-field);
  border: 1px solid var(--chat-border);
  border-radius: 10px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.chat-widget__field input::placeholder { color: #687889; }
.chat-widget__field input:focus {
  border-color: var(--chat-accent);
  box-shadow: 0 0 0 3px rgba(217, 133, 46, 0.16);
}
.chat-widget__field input.is-invalid {
  border-color: #E06B6B;
  box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.18);
}
.chat-widget__field-error {
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.45;
  color: #E06B6B;
}
.chat-widget__intro-btn {
  width: 100%;
  padding: 12px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--chat-accent), #E09440);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}
.chat-widget__intro-btn:hover {
  box-shadow: 0 4px 16px rgba(217, 133, 46, 0.35);
}

/* Messages */
.chat-widget__messages {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 200px;
  max-height: 320px;
  background: var(--chat-bg);
  scroll-behavior: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  overflow-anchor: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.16) transparent;
}
.chat-widget__messages::-webkit-scrollbar { width: 6px; }
.chat-widget__messages::-webkit-scrollbar-track { background: transparent; }
.chat-widget__messages::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.14);
  border-radius: 100px;
}
.chat-widget__messages:empty::after {
  content: 'Напишите нам — мы ответим как можно скорее';
  display: block;
  text-align: center;
  font-size: 13px;
  color: var(--chat-muted);
  padding: 40px 20px;
}

.chat-msg {
  max-width: 85%;
  animation: chatMsgIn 0.4s var(--chat-ease) both;
}
.chat-msg--new {
  animation: chatMsgIn 0.4s var(--chat-ease) both;
}
@keyframes chatMsgIn {
  from { opacity: 0; transform: translateY(10px) scale(0.98); }
  to { opacity: 1; transform: none; }
}
.chat-msg--visitor { align-self: flex-end; }
.chat-msg--admin { align-self: flex-start; }

.chat-msg__bubble {
  padding: 11px 15px;
  font-size: 14px;
  line-height: 1.55;
  border-radius: 16px;
  word-break: break-word;
}
.chat-msg--visitor .chat-msg__bubble {
  background: linear-gradient(135deg, var(--chat-accent) 0%, #C06E24 100%);
  color: #fff;
  border-bottom-right-radius: 4px;
  box-shadow: 0 6px 20px -6px rgba(217, 133, 46, 0.5);
}
.chat-msg--admin .chat-msg__bubble {
  background: var(--chat-surface-2);
  color: var(--chat-text);
  border: 1px solid var(--chat-border);
  border-bottom-left-radius: 4px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
}
.chat-msg__meta {
  font-size: 10px;
  color: var(--chat-muted);
  margin-top: 4px;
  padding: 0 4px;
}
.chat-msg--visitor .chat-msg__meta { text-align: right; }

.chat-msg__sender {
  font-size: 11px;
  font-weight: 600;
  color: var(--chat-accent-soft);
  margin-bottom: 4px;
}

/* Input */
.chat-widget__input-area {
  padding: 16px 18px;
  background: var(--chat-surface);
  border-top: 1px solid var(--chat-border);
}
.chat-widget__input-row {
  display: flex;
  gap: 10px;
  align-items: flex-end;
}
.chat-widget__input {
  flex: 1;
  padding: 12px 16px;
  font-family: inherit;
  font-size: 14px;
  line-height: 1.4;
  color: var(--chat-text);
  background: var(--chat-field);
  border: 1px solid var(--chat-border);
  border-radius: 14px;
  outline: none;
  resize: none;
  max-height: 100px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.chat-widget__input::placeholder { color: #687889; }
.chat-widget__input:focus {
  border-color: var(--chat-accent);
  box-shadow: 0 0 0 3px rgba(217, 133, 46, 0.16);
}
.chat-widget__send {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--chat-accent), #E09440);
  color: #fff;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}
.chat-widget__send:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 16px rgba(217, 133, 46, 0.4);
}
.chat-widget__send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.chat-widget__powered {
  text-align: center;
  font-size: 10px;
  color: var(--chat-muted);
  margin-top: 10px;
  opacity: 0.6;
}

/* Mobile */
@media (max-width: 767px) {
  .chat-widget {
    inset: auto;
    bottom: calc(16px + env(safe-area-inset-bottom, 0px));
    right: calc(16px + env(safe-area-inset-right, 0px));
    left: auto;
    width: auto;
    height: auto;
    pointer-events: none;
  }

  .chat-widget__toggle {
    display: none;
  }

  .chat-widget__toggle-label { display: none; }

  .chat-widget__toggle-btn {
    position: relative;
    bottom: auto;
    right: auto;
  }

  .chat-widget__backdrop {
    z-index: 200;
  }

  .chat-widget--open .chat-widget__backdrop {
    pointer-events: auto;
  }

  .chat-widget__panel {
    position: fixed;
    left: calc(12px + env(safe-area-inset-left, 0px));
    right: calc(12px + env(safe-area-inset-right, 0px));
    bottom: calc(84px + env(safe-area-inset-bottom, 0px));
    width: auto;
    max-width: none;
    max-height: min(560px, calc(100dvh - 108px - env(safe-area-inset-bottom, 0px)));
    z-index: 201;
    transform-origin: bottom center;
  }

  body.has-mobile-cta .chat-widget__panel {
    bottom: calc(80px + env(safe-area-inset-bottom, 0px));
    max-height: min(520px, calc(100dvh - 96px - env(safe-area-inset-bottom, 0px)));
  }

  .chat-widget__header {
    padding: 16px 18px;
    padding-right: 52px;
  }
  .chat-widget__close {
    top: 12px;
    right: 12px;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.16);
    border-color: rgba(255, 255, 255, 0.28);
  }
  .chat-widget__header-top { margin-bottom: 10px; }
  .chat-widget__status {
    max-width: calc(100% - 8px);
    font-size: 11px;
  }

  .chat-widget__input { font-size: 16px; }
  .chat-widget__field input { font-size: 16px; }
}

@media (max-height: 520px) and (orientation: landscape) {
  .chat-widget__panel {
    max-height: min(420px, calc(100dvh - 24px - env(safe-area-inset-bottom, 0px)));
  }

  body.has-mobile-cta .chat-widget__panel {
    max-height: min(380px, calc(100dvh - 80px - env(safe-area-inset-bottom, 0px)));
  }
}

@media (min-width: 768px) and (max-width: 1199px) {
  .chat-widget {
    bottom: calc(20px + env(safe-area-inset-bottom, 0px));
    right: calc(20px + env(safe-area-inset-right, 0px));
  }

  .chat-widget__panel {
    max-height: min(520px, calc(100dvh - 120px));
  }
}

@media (min-width: 1200px) {
  .chat-widget__panel {
    max-height: min(560px, calc(100dvh - 120px));
  }
}

body.chat-widget-open {
  overflow: hidden;
}

.chat-widget__intro-btn,
.chat-widget__send {
  position: relative;
  overflow: hidden;
}
.chat-widget__intro-btn::after,
.chat-widget__send::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.2) 50%, transparent 60%);
  transform: translateX(-120%);
  transition: transform 0.65s var(--chat-ease);
}
.chat-widget__intro-btn:hover::after,
.chat-widget__send:hover::after {
  transform: translateX(120%);
}

@media (prefers-reduced-motion: reduce) {
  .chat-widget__panel,
  .chat-msg,
  .chat-msg--new,
  .chat-widget__toggle-btn,
  .chat-widget__status--online .chat-widget__status-dot {
    animation: none !important;
    transition: none !important;
    filter: none !important;
  }
}

/* Mobile / tablet chat polish */
@media (max-width: 767px) {
  .chat-widget__panel {
    border-radius: 18px;
    max-height: min(640px, calc(100dvh - 96px - env(safe-area-inset-bottom, 0px) - env(safe-area-inset-top, 0px)));
  }
  .chat-widget__input,
  .chat-widget__intro-form input {
    font-size: 16px !important;
  }
  .chat-widget__messages {
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }
  .chat-widget__composer {
    padding-bottom: max(10px, env(safe-area-inset-bottom, 0px));
  }
}

@media (max-width: 420px) {
  .chat-widget--open .chat-widget__panel {
    left: 0;
    right: 0;
    bottom: 0;
    max-height: none;
    height: 100dvh;
    border-radius: 0;
    padding-top: env(safe-area-inset-top, 0px);
  }
}

@media (min-width: 768px) and (max-width: 1199px) {
  .chat-widget {
    bottom: 24px;
    right: 24px;
  }
  .chat-widget__panel {
    width: min(400px, calc(100vw - 48px));
    max-height: min(640px, calc(100dvh - 120px));
  }
}