/* Identidade visual final do VERTEX: clara, direta e separada da estrutura. */
:root,
:root[data-theme="light"] {
  color-scheme: light;
  --ink: #07345d;
  --ink-soft: #496b83;
  --paper: #f4faff;
  --surface: #ffffff;
  --surface-soft: #eaf7fb;
  --surface-rgb: 255, 255, 255;
  --deep-surface: #07345d;
  --line: #cfe0ec;
  --lime: #21c6c8;
  --lime-dark: #119dab;
  --mint: #16b9c4;
  --terracotta: #087faf;
  --brand-start: #07345d;
  --brand-mid: #0877a7;
  --brand-end: #16c2c7;
  --brand-last: #16c2c7;
  --text-accent: var(--brand-mid);
  --accent-glow: rgba(22, 194, 199, 0.2);
  --shadow: 0 20px 58px rgba(7, 52, 93, 0.1);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --ink: #f4f7ff;
  --ink-soft: #b5c1d4;
  --paper: #070911;
  --surface: #101522;
  --surface-soft: #171e2d;
  --surface-rgb: 16, 21, 34;
  --deep-surface: #090d17;
  --line: rgba(157, 177, 207, 0.22);
  --lime: #f0203d;
  --lime-dark: #b22d86;
  --mint: #2d82e5;
  --terracotta: #f0204f;
  --brand-start: #f0203d;
  --brand-mid: #b22d86;
  --brand-end: #2d82e5;
  --brand-last: #97a6ba;
  --text-accent: var(--brand-end);
  --accent-glow: rgba(221, 38, 91, 0.22);
  --shadow: 0 24px 72px rgba(0, 0, 0, 0.4);
}

body {
  background:
    radial-gradient(circle at 12% 8%, var(--accent-glow), transparent 27rem),
    radial-gradient(circle at 88% 38%, color-mix(in srgb, var(--brand-end) 12%, transparent), transparent 26rem),
    var(--paper);
}

body::before {
  opacity: 0.14;
  background-size: 84px 84px;
}

.topbar,
main,
footer {
  width: min(1180px, calc(100% - 40px));
}

.topbar {
  padding-block: 20px;
}

.theme-toggle {
  min-height: 44px;
  padding-inline: 8px 14px;
  border-color: var(--line);
  background: var(--surface);
  box-shadow: 0 8px 24px color-mix(in srgb, var(--brand-start) 8%, transparent);
}

.theme-toggle__icon {
  background: linear-gradient(135deg, var(--brand-start), var(--brand-end));
}

.hero {
  padding: 30px 32px 34px;
  border-radius: 32px;
  background:
    radial-gradient(circle at 50% 0, var(--accent-glow), transparent 19rem),
    color-mix(in srgb, var(--surface) 92%, transparent);
  box-shadow: var(--shadow);
}

.hero::before,
.hero::after {
  display: none;
}

.hero-symbol {
  width: 62px;
  height: 58px;
  margin-bottom: 12px;
}

.hero .eyebrow {
  margin-bottom: 12px;
  color: var(--brand-end);
}

.hero h1 {
  max-width: 970px;
  font-size: clamp(2.35rem, 5.2vw, 4.65rem);
  line-height: 1.02;
}

.hero h1 span {
  filter: none;
}

.hero-copy {
  max-width: 720px;
  margin: 18px auto 24px;
  font-size: clamp(0.98rem, 1.8vw, 1.15rem);
  line-height: 1.55;
}

.mode-switch {
  width: min(790px, 100%);
  padding: 7px;
  border-radius: 20px;
  background: var(--surface);
  box-shadow: 0 14px 36px color-mix(in srgb, var(--brand-start) 9%, transparent);
}

.mode-button {
  min-height: 72px;
  padding: 12px 16px;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 11px;
  border-radius: 14px;
}

.mode-button > .mode-arrow,
.mode-button > .mode-icon:last-child {
  display: none;
}

.mode-button strong {
  font-size: 0.88rem;
}

.mode-button small {
  font-size: 0.72rem;
}

.mode-button.is-active {
  background: linear-gradient(112deg, var(--brand-start), var(--brand-mid), var(--brand-end));
}

.mode-button.is-active .mode-icon {
  color: var(--brand-start);
  background: #ffffff;
}

.hero-proof {
  margin-top: 18px;
  gap: 8px;
}

.hero-proof span {
  min-width: 150px;
  padding: 8px 13px;
  color: var(--ink-soft);
  background: var(--surface);
}

.hero-proof strong {
  width: 20px;
  height: 20px;
  margin-right: 6px;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  color: #ffffff;
  background: var(--brand-end);
  font-size: 0.66rem;
}

.workspace {
  grid-template-columns: minmax(0, 1.25fr) minmax(330px, 0.75fr);
  gap: 20px;
  padding: 28px 0 48px;
}

.workspace--text {
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.9fr);
}

.camera-card,
.result-card,
.input-card,
.avatar-card {
  padding: 26px;
  border-color: var(--line);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.camera-card:hover,
.result-card:hover,
.input-card:hover,
.avatar-card:hover {
  transform: none;
  border-color: var(--line);
  box-shadow: var(--shadow);
}

.card-heading {
  margin-bottom: 18px;
}

.camera-stage {
  min-height: 360px;
  background:
    radial-gradient(circle at 50% 40%, color-mix(in srgb, var(--brand-end) 25%, #173c5b), #0a2540 52%, #05131f);
}

.camera-permission,
.model-notice,
.dictionary-coverage {
  background: color-mix(in srgb, var(--brand-end) 6%, var(--surface));
}

.choice-card {
  min-height: 72px;
  background: var(--surface);
}

.choice-card.is-selected {
  border-color: var(--brand-end);
  background: color-mix(in srgb, var(--brand-end) 9%, var(--surface));
}

.translation-result {
  min-height: 160px;
  background:
    radial-gradient(circle at 100% 100%, var(--accent-glow), transparent 48%),
    var(--deep-surface);
}

.recognition-details {
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface-soft);
  overflow: hidden;
}

.recognition-details > summary {
  position: relative;
  min-height: 60px;
  padding: 12px 46px 12px 15px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  font-weight: 800;
}

.recognition-details > summary::-webkit-details-marker {
  display: none;
}

.recognition-details > summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 16px;
  color: var(--brand-end);
  font-size: 1.25rem;
  transform: translateY(-50%);
}

.recognition-details[open] > summary::after {
  content: "−";
}

.recognition-details > summary small {
  color: var(--ink-soft);
  font-size: 0.68rem;
  font-weight: 600;
}

.recognition-details .model-notice {
  margin: 0;
  border: 0;
  border-top: 1px solid var(--line);
  border-radius: 0;
  background: var(--surface);
}

.ai-pipeline span {
  text-transform: none;
  letter-spacing: 0;
}

.avatar-stage--team {
  min-height: 330px;
  border-radius: 18px;
}

.technology-note {
  margin: 4px 0 24px;
  padding: 30px;
  grid-template-columns: 0.48fr 1.55fr 0.72fr;
  gap: 28px;
  border-radius: 24px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.technology-note::after {
  display: none;
}

.technology-note__copy h1 {
  font-size: clamp(1.4rem, 2.8vw, 2rem);
}

.how-it-works {
  color: var(--ink);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.how-it-works .eyebrow,
.feature-list article > span {
  color: var(--brand-end);
}

.section-lead,
.how-it-works .feature-list p {
  color: var(--ink-soft);
}

.feature-list article {
  border-color: var(--line);
}

:root[data-theme="dark"] .how-it-works {
  background:
    linear-gradient(118deg, #11131d, color-mix(in srgb, var(--brand-mid) 22%, #101522), color-mix(in srgb, var(--brand-end) 18%, #101522));
}

:root[data-theme="dark"] .hero,
:root[data-theme="dark"] .camera-card,
:root[data-theme="dark"] .result-card,
:root[data-theme="dark"] .input-card,
:root[data-theme="dark"] .avatar-card,
:root[data-theme="dark"] .technology-note {
  box-shadow: 0 24px 72px rgba(0, 0, 0, 0.38);
}

:root[data-theme="dark"] .mode-button.is-active .mode-icon {
  color: #9b256f;
}

:root[data-theme="dark"] .hero-proof strong {
  background: linear-gradient(135deg, var(--brand-start), var(--brand-end));
}

@media (max-width: 920px) {
  .workspace,
  .workspace--text {
    grid-template-columns: 1fr;
  }

  .technology-note {
    grid-template-columns: minmax(190px, 0.5fr) 1.3fr;
  }
}

@media (max-width: 700px) {
  .topbar,
  main,
  footer {
    width: min(100% - 24px, 1180px);
  }

  .hero {
    padding: 26px 14px 24px;
    border-radius: 24px;
  }

  .hero h1 {
    font-size: clamp(2.2rem, 11vw, 3.4rem);
  }

  .mode-switch {
    grid-template-columns: 1fr;
  }

  .mode-button {
    min-height: 66px;
  }

  .hero-proof {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-proof span {
    text-align: left;
  }

  .camera-card,
  .result-card,
  .input-card,
  .avatar-card {
    padding: 20px;
  }

  .camera-stage {
    min-height: 315px;
  }

  .technology-note {
    padding: 22px;
    grid-template-columns: 1fr;
  }

}

@media (max-width: 430px) {
  .hero h1 {
    font-size: clamp(2rem, 12vw, 3rem);
  }

  .output-choice {
    grid-template-columns: 1fr;
  }

  .theme-toggle {
    width: 44px;
    padding: 7px;
  }
}

/* Conversa acoplada ao avatar oficial do VLibras. */
.vlibras-chat {
  position: fixed;
  z-index: 2147483646;
  left: 12px;
  right: auto;
  bottom: 12px;
  width: min(360px, calc(100vw - 24px));
  height: clamp(244px, 45dvh, 330px);
  max-height: calc(100dvh - 24px);
  display: grid;
  grid-template-rows: auto minmax(92px, 1fr) auto;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--brand-end) 42%, var(--line));
  border-radius: 20px;
  color: var(--ink);
  background:
    radial-gradient(circle at 100% 0, var(--accent-glow), transparent 45%),
    color-mix(in srgb, var(--surface) 96%, transparent);
  box-shadow: 0 24px 70px rgba(3, 15, 35, 0.28);
  backdrop-filter: blur(18px);
  animation: vertex-chat-enter 280ms cubic-bezier(.2,.8,.2,1) both;
}

.vlibras-chat.is-dragging {
  animation: none;
  box-shadow: 0 30px 86px rgba(3, 15, 35, 0.38);
}

.vlibras-chat.is-minimized {
  height: auto;
  max-height: none;
  grid-template-rows: auto;
}

.vlibras-chat.is-minimized .vlibras-chat__messages,
.vlibras-chat.is-minimized .vlibras-chat__form {
  display: none;
}

.vlibras-chat.is-maximized {
  inset: max(12px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) max(12px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left)) !important;
  width: auto !important;
  height: auto !important;
  max-height: none;
  margin: 0 !important;
  border-radius: 16px;
}

.vlibras-chat__header {
  min-height: 64px;
  padding: 12px 13px 11px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  cursor: grab;
  touch-action: none;
  user-select: none;
  transition: background-color 180ms ease;
}

.vlibras-chat__header:hover {
  background: color-mix(in srgb, var(--brand-end) 6%, transparent);
}

.vlibras-chat__header:focus-visible {
  outline: 2px solid var(--brand-end);
  outline-offset: -3px;
}

.vlibras-chat.is-dragging .vlibras-chat__header {
  cursor: grabbing;
}

.vlibras-chat__header div {
  display: grid;
  gap: 2px;
}

.vlibras-chat__identity {
  min-width: 0;
}

.vlibras-chat__identity small {
  overflow: hidden;
  color: var(--ink-soft);
  font-size: 0.67rem;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.vlibras-chat__header-actions {
  flex: 0 0 auto;
  display: flex !important;
  align-items: center;
  gap: 2px !important;
}

.vlibras-chat__provider-badge {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.vlibras-chat__header span,
.vlibras-chat__message span {
  color: var(--brand-end);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.vlibras-chat__header strong {
  font-family: "Manrope", sans-serif;
  font-size: 0.98rem;
}

.vlibras-chat__window-control {
  position: relative;
  width: 34px;
  height: 34px;
  padding: 0;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 9px;
  color: var(--ink-soft);
  background: transparent;
  cursor: pointer;
  transition: color 160ms ease, background-color 160ms ease, transform 160ms ease;
}

.vlibras-chat__window-control:hover {
  color: var(--ink);
  background: color-mix(in srgb, var(--brand-end) 11%, transparent);
}

.vlibras-chat__window-control:active {
  transform: scale(0.93);
}

.vlibras-chat__window-control:focus-visible {
  outline: 2px solid var(--brand-end);
  outline-offset: -2px;
}

.vlibras-chat__window-control--close:hover {
  color: #fff;
  background: #d92f45;
}

.vlibras-chat__window-icon {
  position: relative;
  width: 14px;
  height: 14px;
  display: block;
  color: inherit !important;
  font-size: 0 !important;
  letter-spacing: 0 !important;
  text-transform: none !important;
}

.vlibras-chat__window-icon--minimize::before {
  content: "";
  position: absolute;
  left: 1px;
  right: 1px;
  bottom: 2px;
  height: 1.5px;
  border-radius: 999px;
  background: currentColor;
}

.vlibras-chat__window-icon--maximize {
  border: 1.5px solid currentColor;
  border-radius: 2px;
}

.vlibras-chat.is-maximized .vlibras-chat__window-icon--maximize::before {
  content: "";
  position: absolute;
  width: 9px;
  height: 9px;
  top: -4px;
  right: -4px;
  border: 1.5px solid currentColor;
  border-radius: 2px;
  background: var(--surface);
}

.vlibras-chat__window-icon--close::before,
.vlibras-chat__window-icon--close::after {
  content: "";
  position: absolute;
  left: 1px;
  top: 6px;
  width: 12px;
  height: 1.5px;
  border-radius: 999px;
  background: currentColor;
}

.vlibras-chat__window-icon--close::before {
  transform: rotate(45deg);
}

.vlibras-chat__window-icon--close::after {
  transform: rotate(-45deg);
}

.vlibras-chat__messages {
  min-height: 0;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 9px;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: color-mix(in srgb, var(--brand-end) 58%, var(--line)) transparent;
}

.vlibras-chat__messages::-webkit-scrollbar {
  width: 6px;
}

.vlibras-chat__messages::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: color-mix(in srgb, var(--brand-end) 58%, var(--line));
}

.vlibras-chat__message {
  width: fit-content;
  max-width: 88%;
  margin: 0;
  padding: 9px 11px;
  display: grid;
  gap: 3px;
  border: 1px solid var(--line);
  border-radius: 5px 14px 14px 14px;
  color: var(--ink-soft);
  background: var(--surface);
  font-size: 0.79rem;
  line-height: 1.35;
  text-wrap: pretty;
}

.vlibras-chat__message--user {
  align-self: flex-end;
  border-color: transparent;
  border-radius: 14px 5px 14px 14px;
  color: #fff;
  background: linear-gradient(120deg, var(--brand-start), var(--brand-end));
}

.vlibras-chat__message--user span {
  color: rgba(255, 255, 255, 0.78);
}

.vlibras-chat__message[data-pending] {
  animation: vertex-chat-pulse 1.2s ease-in-out infinite;
}

.vlibras-chat__message[data-error] {
  border-color: color-mix(in srgb, var(--terracotta) 48%, var(--line));
}

.vlibras-chat__form {
  position: relative;
  padding: 10px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-soft) 58%, transparent);
}

.vlibras-chat__form .sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.vlibras-chat__form input {
  width: 100%;
  min-width: 0;
  min-height: 42px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--ink);
  background: var(--surface);
  font: inherit;
}

.vlibras-chat__form input::placeholder {
  color: var(--ink-soft);
}

.vlibras-chat__form button {
  min-height: 42px;
  padding: 0 15px;
  border: 0;
  border-radius: 12px;
  color: #fff;
  background: linear-gradient(120deg, var(--brand-start), var(--brand-end));
  cursor: pointer;
  font-weight: 800;
}

.vlibras-chat__form button:disabled {
  cursor: wait;
  filter: grayscale(.35);
  opacity: .62;
}

@keyframes vertex-chat-enter {
  from { opacity: 0; transform: translateY(18px) scale(.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes vertex-chat-pulse {
  50% { opacity: .62; }
}

@media (max-width: 560px) {
  .vlibras-chat {
    left: 0;
    right: 0;
    bottom: max(8px, env(safe-area-inset-bottom));
    width: 344px;
    max-width: calc(100vw - 48px);
    margin-inline: auto;
    height: clamp(236px, 42dvh, 288px);
    max-height: calc(100dvh - max(16px, env(safe-area-inset-bottom)));
    border-radius: 17px;
  }

  .vlibras-chat__header {
    padding-inline: 12px 9px;
  }

  .vlibras-chat__provider-badge {
    display: none;
  }

  .vlibras-chat.is-maximized {
    width: auto !important;
    max-width: none;
    border-radius: 14px;
  }

}

@media (prefers-reduced-motion: reduce) {
  .vlibras-chat,
  .vlibras-chat__message[data-pending] {
    animation: none !important;
    transition: none !important;
  }
}

:root {
  --editorial-display: "Manrope", "Arial Black", system-ui, sans-serif;
}