/* ==============================================================
   cosmo-site-chat.css - COSMO chat widget skin (IA 3.0)
   Lives inside a shadow root; inherits --site-cosmo-* tokens from
   theme.css with dark-theme fallbacks baked in below.
   ============================================================== */

:host {
  --cosmo-text: var(--text, #C6D2E2);
  --cosmo-text-dim: var(--text-dim, #93A1B5);
  --cosmo-text-strong: var(--text-strong, #F4F8FF);
  --cosmo-accent: var(--accent, #2CE0C7);
  --cosmo-accent-2: var(--accent2, #FFA05C);
  --cosmo-launcher-bg: var(--site-cosmo-launcher-bg, linear-gradient(180deg, rgba(16, 24, 42, 0.96), rgba(11, 17, 31, 0.98)));
  --cosmo-launcher-border: var(--site-cosmo-launcher-border, rgba(44, 224, 199, 0.2));
  --cosmo-launcher-border-hover: var(--site-cosmo-launcher-border-hover, rgba(44, 224, 199, 0.4));
  --cosmo-launcher-shadow: var(--site-cosmo-launcher-shadow, 0 12px 32px rgba(0, 0, 0, 0.4));
  --cosmo-launcher-shadow-hover: var(--site-cosmo-launcher-shadow-hover, 0 16px 40px rgba(0, 0, 0, 0.45));
  --cosmo-panel-bg: var(--site-cosmo-panel-bg, linear-gradient(180deg, rgba(11, 17, 31, 0.99), rgba(8, 13, 24, 0.995)));
  --cosmo-panel-border: var(--site-cosmo-panel-border, rgba(44, 224, 199, 0.16));
  --cosmo-panel-shadow: var(--site-cosmo-panel-shadow, 0 24px 56px rgba(0, 0, 0, 0.5));
  --cosmo-header-border: var(--site-cosmo-header-border, rgba(44, 224, 199, 0.1));
  --cosmo-message-bg: var(--site-cosmo-message-bg, rgba(255, 255, 255, 0.025));
  --cosmo-message-border: var(--site-cosmo-message-border, rgba(198, 210, 226, 0.1));
  --cosmo-bot-bg: var(--site-cosmo-bot-bg, rgba(255, 160, 92, 0.05));
  --cosmo-user-bg: var(--site-cosmo-user-bg, rgba(44, 224, 199, 0.07));
  --cosmo-pending-bg: var(--site-cosmo-pending-bg, rgba(44, 224, 199, 0.03));
  --cosmo-pending-border: var(--site-cosmo-pending-border, rgba(44, 224, 199, 0.16));
  --cosmo-starter-bg: var(--site-cosmo-starter-bg, rgba(255, 255, 255, 0.02));
  --cosmo-starter-border: var(--site-cosmo-starter-border, rgba(44, 224, 199, 0.14));
  --cosmo-chip-bg: var(--site-cosmo-chip-bg, rgba(255, 255, 255, 0.03));
  --cosmo-chip-border: var(--site-cosmo-chip-border, rgba(198, 210, 226, 0.12));
  --cosmo-chip-hover-bg: var(--site-cosmo-chip-hover-bg, rgba(44, 224, 199, 0.08));
  --cosmo-chip-text: var(--site-cosmo-chip-text, #DCE7F4);
  --cosmo-chip-hover-text: var(--site-cosmo-chip-hover-text, #2CE0C7);
  --cosmo-footer-bg: var(--site-cosmo-footer-bg, rgba(6, 10, 19, 0.72));
  --cosmo-input-bg: var(--site-cosmo-input-bg, rgba(255, 255, 255, 0.04));
  --cosmo-input-border: var(--site-cosmo-input-border, rgba(198, 210, 226, 0.14));
  --cosmo-input-focus-border: var(--site-cosmo-input-focus-border, rgba(44, 224, 199, 0.4));
  --cosmo-close-border: var(--site-cosmo-close-border, rgba(198, 210, 226, 0.14));
  --cosmo-note: var(--site-cosmo-note, var(--text-dim, #93A1B5));
  --cosmo-skip-border: var(--site-cosmo-skip-border, rgba(255, 160, 92, 0.24));
  --cosmo-skip-bg: var(--site-cosmo-skip-bg, rgba(255, 160, 92, 0.06));
  --cosmo-skip-hover-border: var(--site-cosmo-skip-hover-border, rgba(255, 160, 92, 0.45));
  --cosmo-skip-hover-bg: var(--site-cosmo-skip-hover-bg, rgba(255, 160, 92, 0.1));
  --cosmo-header-bg: rgba(255, 255, 255, 0.015);
  --cosmo-messages-bg: transparent;
  --cosmo-close-bg: transparent;
  --cosmo-footer-top-border: var(--cosmo-header-border);
  --cosmo-on-accent: var(--on-accent, #05221E);
  --cosmo-submit-bg: linear-gradient(135deg, #2CE0C7, #1FB9A6);
}

:host-context(html[data-theme="light"]) {
  --cosmo-text: #1E2936;
  --cosmo-text-dim: #4A5A6A;
  --cosmo-text-strong: #121A24;
  --cosmo-launcher-bg: linear-gradient(180deg, #FFFFFF, #F6F4EE);
  --cosmo-launcher-border: rgba(30, 41, 54, 0.12);
  --cosmo-launcher-border-hover: rgba(14, 122, 110, 0.34);
  --cosmo-launcher-shadow: 0 12px 32px rgba(30, 41, 54, 0.12);
  --cosmo-launcher-shadow-hover: 0 16px 38px rgba(30, 41, 54, 0.16);
  --cosmo-panel-bg: linear-gradient(180deg, #FFFFFF, #F8F6F0);
  --cosmo-panel-border: rgba(30, 41, 54, 0.12);
  --cosmo-panel-shadow: 0 24px 56px rgba(30, 41, 54, 0.16);
  --cosmo-header-bg: linear-gradient(180deg, #FFFFFF, #F8F6F0);
  --cosmo-header-border: rgba(30, 41, 54, 0.08);
  --cosmo-messages-bg: linear-gradient(180deg, rgba(244, 243, 238, 0.3), rgba(244, 243, 238, 0.05));
  --cosmo-message-bg: rgba(30, 41, 54, 0.035);
  --cosmo-message-border: rgba(30, 41, 54, 0.1);
  --cosmo-bot-bg: rgba(192, 86, 33, 0.06);
  --cosmo-user-bg: rgba(14, 122, 110, 0.07);
  --cosmo-pending-bg:
    linear-gradient(135deg, rgba(14, 122, 110, 0.1), rgba(14, 122, 110, 0.03)),
    rgba(14, 122, 110, 0.04);
  --cosmo-pending-border: rgba(14, 122, 110, 0.2);
  --cosmo-starter-bg:
    linear-gradient(180deg, rgba(14, 122, 110, 0.05), rgba(14, 122, 110, 0.015)),
    #FFFFFF;
  --cosmo-starter-border: rgba(14, 122, 110, 0.16);
  --cosmo-chip-bg: rgba(30, 41, 54, 0.04);
  --cosmo-chip-border: rgba(30, 41, 54, 0.12);
  --cosmo-chip-hover-bg: rgba(14, 122, 110, 0.1);
  --cosmo-chip-text: #1E2936;
  --cosmo-chip-hover-text: #0E7A6E;
  --cosmo-footer-bg: rgba(244, 243, 238, 0.92);
  --cosmo-footer-top-border: rgba(30, 41, 54, 0.1);
  --cosmo-input-bg: #FFFFFF;
  --cosmo-input-border: rgba(30, 41, 54, 0.14);
  --cosmo-input-focus-border: rgba(14, 122, 110, 0.4);
  --cosmo-close-border: rgba(30, 41, 54, 0.14);
  --cosmo-close-bg: rgba(255, 255, 255, 0.72);
  --cosmo-note: #4A5A6A;
  --cosmo-skip-border: rgba(192, 86, 33, 0.3);
  --cosmo-skip-bg: rgba(192, 86, 33, 0.08);
  --cosmo-skip-hover-border: rgba(192, 86, 33, 0.46);
  --cosmo-skip-hover-bg: rgba(192, 86, 33, 0.14);
  --cosmo-on-accent: #FFFFFF;
  --cosmo-submit-bg: linear-gradient(135deg, #0E7A6E, #0A6459);
}

.cosmo-site-shell {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 500;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  line-height: 1.5;
  color: var(--cosmo-text);
}

.cosmo-site-shell,
.cosmo-site-shell *,
.cosmo-site-shell *::before,
.cosmo-site-shell *::after {
  box-sizing: border-box;
}

.cosmo-site-launcher {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.7rem;
  padding: 0.8rem 1.15rem;
  border: 1px solid var(--cosmo-launcher-border);
  border-radius: 999px;
  background: var(--cosmo-launcher-bg);
  color: var(--cosmo-text);
  cursor: pointer;
  box-shadow: var(--cosmo-launcher-shadow);
  min-width: 168px;
  text-align: left;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.cosmo-site-launcher:hover {
  border-color: var(--cosmo-launcher-border-hover);
  box-shadow: var(--cosmo-launcher-shadow-hover);
  transform: translateY(-2px);
}

.cosmo-site-launcher:focus-visible {
  outline: 2px solid var(--cosmo-accent);
  outline-offset: 3px;
}

.cosmo-site-launcher__mark {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  color: var(--cosmo-accent);
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  font-weight: 600;
}

.cosmo-site-launcher__text {
  display: grid;
  gap: 0.12rem;
  text-align: left;
}

.cosmo-site-launcher__title {
  font-family: 'Sora', 'Inter', sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--cosmo-text-strong);
  letter-spacing: -0.01em;
  text-transform: none;
}

.cosmo-site-launcher__subtitle {
  font-size: 0.76rem;
  color: var(--cosmo-text-dim);
}

.cosmo-site-panel {
  width: min(380px, calc(100vw - 2rem));
  height: min(580px, calc(100vh - 3rem));
  display: none;
  grid-template-rows: auto 1fr auto;
  border: 1px solid var(--cosmo-panel-border);
  border-radius: 16px;
  background: var(--cosmo-panel-bg);
  box-shadow: var(--cosmo-panel-shadow);
  overflow: hidden;
  isolation: isolate;
}

.cosmo-site-shell.is-open .cosmo-site-panel {
  display: grid;
}

.cosmo-site-shell.is-open .cosmo-site-launcher {
  display: none;
}

.cosmo-site-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.1rem 0.9rem;
  border-bottom: 1px solid var(--cosmo-header-border);
  background: var(--cosmo-header-bg);
}

.cosmo-site-panel__header > div {
  min-width: 0;
  flex: 1 1 auto;
}

.cosmo-site-panel__title {
  font-family: 'Sora', 'Inter', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-transform: none;
  color: var(--cosmo-text-strong);
}

.cosmo-site-panel__subtitle {
  margin-top: 0.2rem;
  font-size: 0.78rem;
  color: var(--cosmo-text-dim);
}

.cosmo-site-panel__close {
  border: 1px solid var(--cosmo-close-border);
  border-radius: 10px;
  background: var(--cosmo-close-bg);
  color: var(--cosmo-text-dim);
  width: 2.1rem;
  height: 2.1rem;
  cursor: pointer;
  flex: 0 0 auto;
  padding: 0;
  font-family: inherit;
  font-size: 0.85rem;
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.cosmo-site-panel__close:hover {
  color: var(--cosmo-accent);
  border-color: var(--cosmo-launcher-border-hover);
}

.cosmo-site-panel__close:focus-visible {
  outline: 2px solid var(--cosmo-accent);
  outline-offset: 2px;
}

.cosmo-site-messages {
  padding: 1rem;
  overflow-y: auto;
  display: grid;
  gap: 0.8rem;
  align-content: start;
  min-height: 0;
  background: var(--cosmo-messages-bg);
}

.cosmo-site-message {
  display: block;
  max-width: 88%;
  padding: 0.75rem 0.95rem;
  font-size: 0.87rem;
  line-height: 1.6;
  border: 1px solid var(--cosmo-message-border);
  border-radius: 14px;
  background: var(--cosmo-message-bg);
  color: var(--cosmo-text);
}

.cosmo-site-message--bot {
  justify-self: start;
  border-bottom-left-radius: 4px;
  background: var(--cosmo-bot-bg);
}

.cosmo-site-message--user {
  justify-self: end;
  border-bottom-right-radius: 4px;
  background: var(--cosmo-user-bg);
}

.cosmo-site-message--pending {
  justify-self: start;
  border-bottom-left-radius: 4px;
  background: var(--cosmo-pending-bg);
  border-color: var(--cosmo-pending-border);
}

.cosmo-site-starter {
  display: grid;
  gap: 0.7rem;
  padding: 1rem 1.05rem;
  border: 1px solid var(--cosmo-starter-border);
  border-radius: 14px;
  background: var(--cosmo-starter-bg);
}

.cosmo-site-starter__eyebrow {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cosmo-accent);
}

.cosmo-site-starter__title {
  font-family: 'Sora', 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-transform: none;
  color: var(--cosmo-text-strong);
}

.cosmo-site-starter__text {
  font-size: 0.82rem;
  color: var(--cosmo-text-dim);
}

.cosmo-site-starter__grid {
  display: grid;
  gap: 0.5rem;
}

.cosmo-site-starter__chip {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--cosmo-chip-border);
  border-radius: 12px;
  background: var(--cosmo-chip-bg);
  color: var(--cosmo-chip-text);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.83rem;
  line-height: 1.45;
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease, transform 180ms ease;
}

.cosmo-site-starter__chip:hover {
  border-color: var(--cosmo-launcher-border-hover);
  background: var(--cosmo-chip-hover-bg);
  color: var(--cosmo-chip-hover-text);
  transform: translateY(-1px);
}

.cosmo-site-starter__chip:focus-visible {
  outline: 2px solid var(--cosmo-accent);
  outline-offset: 2px;
}

.cosmo-site-pending {
  display: grid;
  gap: 0.55rem;
}

.cosmo-site-pending__kicker {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cosmo-accent);
  opacity: 0.86;
}

.cosmo-site-pending__text {
  color: var(--cosmo-text);
}

.cosmo-site-pending__dots {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.cosmo-site-pending__dots span {
  width: 0.38rem;
  height: 0.38rem;
  border-radius: 50%;
  background: color-mix(in srgb, var(--cosmo-accent) 92%, transparent);
  box-shadow: 0 0 10px color-mix(in srgb, var(--cosmo-accent) 30%, transparent);
  animation: cosmo-site-dot-pulse 1.2s ease-in-out infinite;
}

.cosmo-site-pending__dots span:nth-child(2) {
  animation-delay: 0.2s;
}

.cosmo-site-pending__dots span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes cosmo-site-dot-pulse {
  0%, 80%, 100% {
    transform: scale(0.7);
    opacity: 0.35;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cosmo-site-pending__dots span {
    animation: none;
    opacity: 0.8;
  }

  .cosmo-site-launcher:hover,
  .cosmo-site-starter__chip:hover {
    transform: none;
  }
}

.cosmo-site-panel__footer {
  display: block;
  border-top: 1px solid var(--cosmo-footer-top-border);
  padding: 0.9rem 1rem 1rem;
  width: 100%;
  min-width: 0;
  background: var(--cosmo-footer-bg);
}

.cosmo-site-tutorial-skip {
  margin-bottom: 0.7rem;
  border: 1px solid var(--cosmo-skip-border);
  border-radius: 10px;
  background: var(--cosmo-skip-bg);
  color: var(--cosmo-accent-2);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-transform: none;
  padding: 0.45rem 0.75rem;
  cursor: pointer;
  transition: border-color 180ms ease, background 180ms ease;
}

.cosmo-site-tutorial-skip:hover {
  border-color: var(--cosmo-skip-hover-border);
  background: var(--cosmo-skip-hover-bg);
}

.cosmo-site-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.6rem;
  width: 100%;
  margin-top: 0.75rem;
}

.cosmo-site-input {
  display: block;
  width: 100%;
  min-width: 0;
  background: var(--cosmo-input-bg);
  border: 1px solid var(--cosmo-input-border);
  border-radius: 12px;
  color: var(--cosmo-text);
  padding: 0.8rem 0.95rem;
  outline: none;
  font-family: inherit;
  font-size: 0.86rem;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.cosmo-site-input:focus {
  border-color: var(--cosmo-input-focus-border);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--cosmo-input-focus-border) 28%, transparent);
}

.cosmo-site-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 92px;
  min-height: 44px;
  padding: 0.8rem 1.1rem;
  border: 0;
  border-radius: 12px;
  background: var(--cosmo-submit-bg);
  color: var(--cosmo-on-accent);
  cursor: pointer;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-transform: none;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.12) inset, 0 8px 22px rgba(44, 224, 199, 0.14);
  transition: filter 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.cosmo-site-submit:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
}

.cosmo-site-submit:focus-visible {
  outline: 2px solid var(--cosmo-accent);
  outline-offset: 2px;
}

.cosmo-site-note {
  display: block;
  margin-top: 0.6rem;
  font-size: 0.72rem;
  color: var(--cosmo-note);
  line-height: 1.5;
}

@media (max-width: 640px) {
  .cosmo-site-shell {
    right: max(0.5rem, env(safe-area-inset-right));
    left: max(0.5rem, env(safe-area-inset-left));
    bottom: max(0.5rem, env(safe-area-inset-bottom));
  }

  .cosmo-site-launcher {
    width: 100%;
    justify-content: center;
  }

  .cosmo-site-panel {
    width: 100%;
    height: auto;
    max-height: calc(100dvh - env(safe-area-inset-top) - env(safe-area-inset-bottom) - 1rem);
  }

  .cosmo-site-message {
    max-width: 100%;
  }

  .cosmo-site-messages {
    gap: 0.7rem;
  }

  .cosmo-site-starter {
    gap: 0.65rem;
    padding: 0.75rem;
  }

  .cosmo-site-form {
    grid-template-columns: 1fr;
    gap: 0.55rem;
  }

  .cosmo-site-submit {
    width: 100%;
    min-width: 0;
  }

  .cosmo-site-panel__header,
  .cosmo-site-messages,
  .cosmo-site-panel__footer {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }

  .cosmo-site-panel__header {
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
  }

  .cosmo-site-panel__footer {
    padding-top: 0.75rem;
    padding-bottom: calc(0.75rem + env(safe-area-inset-bottom));
  }

  .cosmo-site-note {
    margin-top: 0.45rem;
  }
}

@media (max-width: 400px) {
  .cosmo-site-shell {
    right: max(0.35rem, env(safe-area-inset-right));
    left: max(0.35rem, env(safe-area-inset-left));
    bottom: max(0.35rem, env(safe-area-inset-bottom));
  }

  .cosmo-site-panel {
    max-height: calc(100dvh - env(safe-area-inset-top) - env(safe-area-inset-bottom) - 0.7rem);
  }

  .cosmo-site-panel__title {
    font-size: 0.82rem;
  }

  .cosmo-site-panel__subtitle,
  .cosmo-site-message,
  .cosmo-site-input {
    font-size: 0.76rem;
  }

  .cosmo-site-note {
    display: none;
  }
}