/* L2DOPS — плавающая кнопка поддержки и чат */

.support-widget {
  --sw-accent: var(--l2-accent, #e63946);
  --sw-accent-dark: var(--l2-accent-dark, #c1121f);
  --sw-navy: var(--l2-navy, #162236);
  --sw-navy-light: var(--l2-navy-light, #1c2d45);
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 99990;
  font-family: inherit;
  pointer-events: none;
  touch-action: manipulation;
}

.support-widget * {
  box-sizing: border-box;
}

.support-widget.is-open {
  pointer-events: auto;
}

.support-backdrop {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.28s ease, visibility 0.28s ease;
  pointer-events: none;
}

.support-widget.is-open .support-backdrop {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.support-backdrop[hidden] {
  display: block !important;
}

/* ─── Кнопка (круглая, только логотип) ───────────────────── */
.support-fab {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.25rem;
  height: 3.25rem;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  cursor: pointer;
  color: #fff;
  background: linear-gradient(135deg, var(--sw-navy) 0%, var(--sw-navy-light) 100%);
  box-shadow:
    0 8px 28px rgba(15, 25, 35, 0.35),
    0 0 0 1px rgba(0, 0, 0, 0.06);
  pointer-events: auto;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s;
  overflow: hidden;
}

.support-fab::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(
    105deg,
    transparent 35%,
    rgba(255, 255, 255, 0.22) 50%,
    transparent 65%
  );
  transform: translateX(-120%);
  animation: support-shimmer 3.5s ease-in-out infinite;
  pointer-events: none;
}

.support-fab::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  border: 2px solid var(--sw-accent);
  opacity: 0.55;
  animation: support-ring 2.6s ease-out infinite;
  pointer-events: none;
}

@keyframes support-shimmer {
  0%, 72%, 100% { transform: translateX(-120%); opacity: 0; }
  78% { opacity: 1; }
  92% { transform: translateX(120%); opacity: 1; }
}

@keyframes support-ring {
  0% { transform: scale(1); opacity: 0.55; }
  70% { transform: scale(1.08); opacity: 0; }
  100% { transform: scale(1.08); opacity: 0; }
}

.support-fab:hover {
  transform: translateY(-2px);
  border-color: rgba(230, 57, 70, 0.45);
  box-shadow:
    0 12px 32px rgba(15, 25, 35, 0.42),
    0 0 0 1px rgba(230, 57, 70, 0.15);
}

.support-fab:active {
  transform: translateY(0);
}

.support-fab-icon {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}

.support-fab-icon .site-logo {
  display: block;
  width: 1.5rem;
  height: 1.5rem;
}

.support-fab-text {
  display: none;
}

.support-widget.is-open .support-fab {
  display: none;
}

/* ─── Панель чата ────────────────────────────────────────── */
body.support-chat-open {
  overflow: hidden;
}

.support-panel {
  position: absolute;
  right: 0;
  bottom: 0;
  z-index: 1;
  width: min(24rem, calc(100vw - 2rem));
  height: min(56rem, calc(100dvh - 3.5rem));
  max-height: min(56rem, calc(100dvh - 3.5rem));
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: 1.125rem;
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.06),
    0 20px 56px rgba(15, 25, 35, 0.32);
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px) scale(0.97);
  transform-origin: bottom right;
  transition:
    opacity 0.28s ease,
    transform 0.28s ease,
    visibility 0.28s;
  pointer-events: none;
}

.support-widget.is-open .support-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.support-panel-head {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1rem 0.875rem;
  background: linear-gradient(135deg, var(--sw-navy) 0%, var(--sw-navy-light) 100%);
  color: #fff;
}

.support-panel-logo {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.support-panel-logo .site-logo {
  display: block;
  width: 1.625rem;
  height: 1.625rem;
}

.support-panel-title-wrap {
  flex: 1;
  min-width: 0;
}

.support-panel-title {
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.25;
}

.support-panel-sub {
  font-size: 0.6875rem;
  color: rgba(255, 255, 255, 0.68);
  margin-top: 0.2rem;
  line-height: 1.35;
}

.support-panel-close {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 0.5rem;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  cursor: pointer;
  transition: background 0.15s;
}

.support-panel-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.support-panel-close svg {
  width: 1rem;
  height: 1rem;
}

.support-body {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  background: var(--l2-bg, #f4f5f7);
  overflow: hidden;
}

.support-messages {
  flex: 1 1 auto;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 0.625rem 0.75rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  -webkit-overflow-scrolling: touch;
}

.support-panel.has-resource-carousel .support-body {
  min-height: 10rem;
}

.support-panel.has-resource-carousel .support-greeting {
  display: none;
}

.support-msg {
  max-width: 88%;
  padding: 0.625rem 0.875rem;
  border-radius: 0.875rem;
  font-size: 0.875rem;
  line-height: 1.45;
  word-break: break-word;
  white-space: pre-wrap;
}

.support-msg--visitor {
  align-self: flex-end;
  background: linear-gradient(135deg, var(--sw-accent) 0%, var(--sw-accent-dark) 100%);
  color: #fff;
  border-bottom-right-radius: 0.25rem;
}

.support-msg--support {
  align-self: flex-start;
  background: #fff;
  color: var(--l2-text, #1a1a2e);
  border: 1px solid var(--l2-border, #e1e4ea);
  border-bottom-left-radius: 0.25rem;
}

.support-msg-meta {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.625rem;
  opacity: 0.7;
}

.support-msg--visitor .support-msg-meta {
  text-align: right;
}

.support-greeting {
  align-self: stretch;
  flex-shrink: 0;
  margin: 0 0 0.625rem;
  padding: 0.6875rem 0.75rem;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--l2-text-secondary, #4a5568);
  background: linear-gradient(180deg, #fff 0%, var(--l2-bg, #f4f5f7) 100%);
  border: 1px solid var(--l2-border, #e1e4ea);
  border-radius: 0.75rem;
}

.support-greeting-head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.support-greeting-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.5rem;
  border-radius: 999px;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #fff;
  background: linear-gradient(135deg, var(--sw-navy) 0%, var(--sw-navy-light) 100%);
}

.support-greeting-label {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--l2-text-muted, #8892a4);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.support-greeting-lead {
  margin: 0 0 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--l2-text, #1a1a2e);
  line-height: 1.45;
}

.support-greeting-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.support-greeting-list li {
  position: relative;
  padding-left: 0.75rem;
  font-size: 0.75rem;
  line-height: 1.45;
  color: var(--l2-text-secondary, #4a5568);
}

.support-greeting-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 0.25rem;
  height: 0.25rem;
  border-radius: 50%;
  background: var(--sw-accent);
}

.support-greeting-list strong {
  color: var(--l2-text, #1a1a2e);
  font-weight: 600;
}

.support-greeting-list em {
  font-style: normal;
  font-weight: 600;
  color: var(--sw-accent-dark);
}

.support-greeting-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.375rem;
  height: 1.375rem;
  margin: 0 0.0625rem;
  vertical-align: middle;
  border: 1px solid var(--l2-border, #e1e4ea);
  border-radius: 0.375rem;
  background: var(--l2-bg, #f4f5f7);
  color: var(--l2-text-secondary, #4a5568);
}

.support-greeting-icon svg {
  width: 0.8125rem;
  height: 0.8125rem;
}

.support-compose {
  flex-shrink: 0;
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--l2-border, #e1e4ea);
  background: #fff;
  box-shadow: 0 -4px 12px rgba(15, 25, 35, 0.06);
}

.support-compose.is-locked .support-compose-main {
  opacity: 0.42;
  pointer-events: none;
  user-select: none;
}

.support-compose-lock {
  margin: 0;
  padding: 0.5rem 0.625rem;
  font-size: 0.75rem;
  line-height: 1.45;
  color: var(--l2-text-secondary, #4a5568);
  text-align: center;
  background: #fff8e6;
  border: 1px solid #f0d78c;
  border-radius: 0.625rem;
}

.support-compose-main {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
}

.support-compose-row {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  flex: 1;
  min-width: 0;
}

.support-compose-tools {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.375rem;
  flex-shrink: 0;
  padding-bottom: 0.125rem;
}

.support-compose-tools--upload .support-tool-btn--file {
  display: flex;
}

.support-tool-btn--file[hidden] {
  display: none !important;
}

.support-tool-btn {
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--l2-border, #e1e4ea);
  border-radius: 0.625rem;
  background: var(--l2-bg, #f4f5f7);
  color: var(--l2-text-secondary, #4a5568);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.support-tool-btn:hover {
  border-color: var(--sw-accent);
  color: var(--sw-accent);
  background: #fff;
}

.support-tool-btn svg {
  width: 1.05rem;
  height: 1.05rem;
}

.support-tool-btn[hidden] {
  display: none !important;
}

.support-tool-btn.is-active {
  border-color: var(--sw-accent);
  color: var(--sw-accent);
  background: rgba(230, 57, 70, 0.08);
}

.support-resource-carousel {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: #fff;
  border-top: 1px solid var(--l2-border, #e1e4ea);
  border-bottom: 1px solid var(--l2-border, #e1e4ea);
  max-height: min(13.5rem, 36vh);
}

.support-resource-carousel[hidden] {
  display: none !important;
}

.support-resource-carousel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.375rem;
  padding: 0.4375rem 0.625rem;
  background: var(--l2-bg, #f4f5f7);
  border-bottom: 1px solid var(--l2-border, #e1e4ea);
  flex-shrink: 0;
}

.support-resource-carousel-title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--l2-text, #1a1a2e);
}

.support-resource-carousel-close {
  width: 1.625rem;
  height: 1.625rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 0.4375rem;
  background: #fff;
  color: var(--l2-text-muted, #8892a4);
  cursor: pointer;
  flex-shrink: 0;
}

.support-resource-carousel-close svg {
  width: 0.875rem;
  height: 0.875rem;
}

.support-resource-carousel-close:hover {
  color: var(--sw-accent);
  background: rgba(230, 57, 70, 0.08);
}

.support-resource-filters {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.375rem;
  padding: 0.375rem 0.625rem;
  background: #fff;
  border-bottom: 1px solid var(--l2-border, #e1e4ea);
  flex-shrink: 0;
}

.support-resource-filter {
  display: flex;
  flex-direction: column;
  gap: 0.1875rem;
  min-width: 0;
}

.support-resource-filter span {
  font-size: 0.5625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--l2-text-muted, #8892a4);
  line-height: 1.2;
}

.support-resource-select {
  width: 100%;
  border: 1px solid var(--l2-border, #e1e4ea);
  border-radius: 0.4375rem;
  padding: 0.3125rem 0.4375rem;
  font: inherit;
  font-size: 16px;
  line-height: 1.25;
  background: var(--l2-bg, #f4f5f7);
  color: var(--l2-text, #1a1a2e);
}

.support-resource-carousel-search {
  display: none;
}

.support-resource-carousel-list {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0.3125rem 0.5rem 0.4375rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  scroll-snap-type: y proximity;
  -webkit-overflow-scrolling: touch;
}

.support-resource-carousel-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  min-height: 2.375rem;
  padding: 0.3125rem 0.4375rem;
  border: 1px solid var(--l2-border, #e1e4ea);
  border-radius: 0.5rem;
  background: var(--l2-bg, #f4f5f7);
  cursor: pointer;
  text-align: left;
  font: inherit;
  scroll-snap-align: start;
  transition: border-color 0.15s, background 0.15s;
}

.support-resource-carousel-item:hover,
.support-resource-carousel-item:focus-visible {
  border-color: var(--sw-accent);
  background: #fff;
  outline: none;
}

.support-resource-carousel-item:active {
  background: #fff;
}

.support-resource-carousel-thumb {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 0.4375rem;
  object-fit: cover;
  background: var(--l2-navy-light, #1c2d45);
}

.support-resource-carousel-thumb--empty {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
}

.support-resource-carousel-name {
  flex: 1;
  min-width: 0;
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.3;
  color: var(--l2-text, #1a1a2e);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.support-resource-carousel-empty,
.support-resource-carousel-loading {
  padding: 0.5rem 0.25rem;
  text-align: center;
  font-size: 0.75rem;
  color: var(--l2-text-muted, #8892a4);
}

.support-msg-resource {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  color: inherit;
  margin-bottom: 0.25rem;
}

.support-msg-resource-img {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.5rem;
  object-fit: cover;
  flex-shrink: 0;
}

.support-msg-resource-body strong,
.support-msg-resource-body span {
  display: block;
  line-height: 1.35;
}

.support-msg-resource-body span {
  font-size: 0.6875rem;
  opacity: 0.8;
}

.support-msg--visitor .support-msg-resource {
  color: #fff;
}

.support-msg-file {
  display: inline-block;
  font-weight: 600;
  text-decoration: underline;
  word-break: break-all;
  color: inherit;
}

.support-msg--visitor .support-msg-file {
  color: #fff;
}

.support-msg--visitor .support-msg-file:visited {
  color: #fff;
}

.support-msg--visitor .support-msg-file:hover {
  color: rgba(255, 255, 255, 0.88);
}

.support-msg--support .support-msg-file {
  color: var(--l2-text, #1a1a2e);
}

.support-msg-extra {
  margin-top: 0.375rem;
  white-space: pre-wrap;
}

.support-input {
  flex: 1;
  width: 100%;
  min-width: 0;
  min-height: 2.5rem;
  resize: none;
  border: 1px solid var(--l2-border, #e1e4ea);
  border-radius: 0.625rem;
  padding: 0.5625rem 0.75rem;
  font: inherit;
  font-size: 16px;
  line-height: 1.45;
  max-height: 8rem;
  overflow-y: auto;
  outline: none;
  transition: border-color 0.15s;
  -webkit-text-size-adjust: 100%;
  touch-action: manipulation;
  field-sizing: content;
}

.support-input:focus {
  border-color: var(--sw-accent);
}

.support-send {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  align-self: flex-end;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 0.625rem;
  background: var(--sw-accent);
  color: #fff;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}

.support-send:hover:not(:disabled) {
  background: var(--sw-accent-dark);
}

.support-send:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.support-send svg {
  width: 1.125rem;
  height: 1.125rem;
}

.support-status {
  flex-shrink: 0;
  padding: 0.4375rem 1rem 0.625rem;
  font-size: 0.6875rem;
  color: var(--l2-text-muted, #8892a4);
  text-align: center;
  background: #fff;
}

.support-status.is-error {
  color: var(--sw-accent-dark);
}

/* ─── Mobile ─────────────────────────────────────────────── */
@media (max-width: 640px) {
  .support-widget {
    right: 0.75rem;
    bottom: 1.5rem;
  }

  .support-panel {
    transform: translateY(14px);
  }

  .support-widget.is-open .support-panel {
    transform: translateY(0);
  }

  .support-fab {
    width: 3rem;
    height: 3rem;
  }

  .support-fab-icon .site-logo {
    width: 1.375rem;
    height: 1.375rem;
  }

  .support-panel {
    width: calc(100vw - 1rem);
    height: calc(100dvh - 2.5rem);
    max-height: calc(100dvh - 2.5rem);
    right: -0.25rem;
  }

  .support-body {
    min-height: 0;
  }
}

@media (max-width: 768px) {
  .support-widget {
    bottom: max(1.5rem, env(safe-area-inset-bottom));
    right: max(0.75rem, env(safe-area-inset-right));
  }
}