/* NHS Pantone 300 blue: #005EB8 */

:root {
  --nhs-blue: #005eb8;
  --nhs-dark-blue: #003087;
  --nhs-bright-blue: #0072ce;
  --nhs-pale-grey: #f0f4f5;
  --bs-primary: #005eb8;
  --bs-primary-rgb: 0, 94, 184;
  --bs-link-color: #005eb8;
  --bs-link-hover-color: #003087;
  --bs-focus-ring-color: rgba(0, 94, 184, 0.25);
  --chat-width: 340px;
  --chat-height: 480px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html.chat-shell,
html.chat-shell body {
  width: 100%;
  height: 100%;
  min-height: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

body.chat-page {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  overflow: hidden;
  background: var(--nhs-pale-grey);
}

.nhs-frame {
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  width: 100%;
  height: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  padding: 0;
  border: 0;
  z-index: 1;
  background: #fff;
}

body.auth-page {
  min-height: 100vh;
  background: var(--nhs-pale-grey);
}

.nhs-auth-header {
  background: var(--nhs-blue);
  color: #fff;
  padding: 0.85rem 0;
  border-bottom: 4px solid var(--nhs-dark-blue);
}

.nhs-auth-header a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.125rem;
}

.nhs-auth-header a:hover {
  color: #fff;
  opacity: 0.92;
}

.nhs-auth-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3rem;
  height: 2rem;
  padding: 0 0.5rem;
  background: #fff;
  color: var(--nhs-blue);
  font-weight: 800;
  letter-spacing: 0.02em;
}

.nhs-auth-main {
  padding: 2rem 1rem 3rem;
}

.auth-panel {
  border: 0;
  border-top: 4px solid var(--nhs-blue);
  border-radius: 0;
  box-shadow: 0 4px 0 0 var(--nhs-dark-blue);
}

.admin-session-browser {
  cursor: help;
  text-decoration: underline dotted;
  text-underline-offset: 0.15em;
}

.btn-primary {
  --bs-btn-bg: var(--nhs-blue);
  --bs-btn-border-color: var(--nhs-blue);
  --bs-btn-hover-bg: var(--nhs-dark-blue);
  --bs-btn-hover-border-color: var(--nhs-dark-blue);
  --bs-btn-active-bg: var(--nhs-dark-blue);
  --bs-btn-active-border-color: var(--nhs-dark-blue);
}

.form-control:focus {
  border-color: var(--nhs-blue);
  box-shadow: 0 0 0 0.25rem rgba(0, 94, 184, 0.25);
}

html.chat-shell {
  --chat-brand: var(--nhs-blue);
  --chat-brand-dark: var(--nhs-dark-blue);
  --chat-brand-pale: var(--nhs-pale-grey);
  --chat-brand-rgb: var(--bs-primary-rgb);
  --chat-brand-fg: #fff;
  --chat-brand-fg-muted: rgba(255, 255, 255, 0.82);
  --chat-brand-header-btn-bg: rgba(255, 255, 255, 0.12);
  --chat-brand-header-btn-bg-hover: rgba(255, 255, 255, 0.22);
  --chat-brand-header-btn-bg-active: rgba(255, 255, 255, 0.28);
  --chat-brand-badge-bg: #fff;
  --chat-brand-badge-fg: var(--chat-brand);
  --chat-brand-border: var(--nhs-dark-blue);
  --chat-brand-border-subtle: rgba(255, 255, 255, 0.28);
  --chat-brand-surface-border: rgba(255, 255, 255, 0.16);
  --chat-brand-focus-ring: rgba(0, 94, 184, 0.25);
  --chat-brand-shadow-alpha-strong: 0.28;
  --chat-brand-shadow-alpha-soft: 0.24;
  --chat-widget-shadow:
    0 1px 2px rgba(33, 43, 50, 0.06),
    0 4px 14px rgba(33, 43, 50, 0.1),
    0 12px 32px rgba(var(--chat-brand-rgb), var(--chat-brand-shadow-alpha-soft));
}

/* Floating chat widget */
.chat-widget {
  --chat-brand: var(--nhs-blue);
  --chat-brand-dark: var(--nhs-dark-blue);
  --chat-brand-pale: var(--nhs-pale-grey);
  --chat-brand-rgb: var(--bs-primary-rgb);
  --chat-brand-fg: #fff;
  --chat-brand-fg-muted: rgba(255, 255, 255, 0.82);
  --chat-brand-header-btn-bg: rgba(255, 255, 255, 0.12);
  --chat-brand-header-btn-bg-hover: rgba(255, 255, 255, 0.22);
  --chat-brand-header-btn-bg-active: rgba(255, 255, 255, 0.28);
  --chat-brand-badge-bg: #fff;
  --chat-brand-badge-fg: var(--chat-brand);
  --chat-brand-border: var(--nhs-dark-blue);
  --chat-brand-border-subtle: rgba(255, 255, 255, 0.28);
  --chat-brand-surface-border: rgba(255, 255, 255, 0.16);
  --chat-brand-focus-ring: rgba(0, 94, 184, 0.25);
  --chat-brand-shadow-alpha-strong: 0.28;
  --chat-brand-shadow-alpha-soft: 0.24;
  --chat-widget-shadow:
    0 1px 2px rgba(33, 43, 50, 0.06),
    0 4px 14px rgba(33, 43, 50, 0.1),
    0 12px 32px rgba(var(--chat-brand-rgb), var(--chat-brand-shadow-alpha-soft));
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 9999;
  font-family: "Frutiger", "Source Sans Pro", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  opacity: var(--chat-opacity, 1);
  transition: opacity 0.2s ease;
}

.chat-widget.is-hover-full {
  opacity: 1 !important;
}

.chat-widget.is-minimized .chat-panel {
  display: none;
}

.chat-widget.is-minimized .chat-panel-wrap {
  display: none;
}

.chat-widget.is-minimized .chat-bubble {
  display: inline-flex;
}

.chat-bubble {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1rem;
  border: 0;
  box-shadow: var(--chat-widget-shadow);
}

.chat-widget[data-brand-bg-tone="light"] .chat-bubble {
  border: 1px solid var(--chat-brand-surface-border);
}

.chat-widget .btn-primary {
  --bs-btn-bg: var(--chat-brand);
  --bs-btn-border-color: var(--chat-brand);
  --bs-btn-color: var(--chat-brand-fg);
  --bs-btn-hover-color: var(--chat-brand-fg);
  --bs-btn-active-color: var(--chat-brand-fg);
  --bs-btn-hover-bg: var(--chat-brand-dark);
  --bs-btn-hover-border-color: var(--chat-brand-dark);
  --bs-btn-active-bg: var(--chat-brand-dark);
  --bs-btn-active-border-color: var(--chat-brand-dark);
}

.chat-widget[data-brand-bg-tone="light"] .btn-primary {
  --bs-btn-border-color: var(--chat-brand-surface-border);
}

.chat-bubble-badge {
  display: none;
  min-width: 1.25rem;
  height: 1.25rem;
  padding: 0 0.35rem;
  border-radius: 999px;
  background: var(--chat-brand-badge-bg);
  color: var(--chat-brand-badge-fg);
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1.25rem;
  text-align: center;
}

.chat-bubble-badge.is-visible {
  display: inline-block;
}

.chat-panel-wrap {
  position: relative;
}

.chat-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  width: var(--chat-width);
  height: var(--chat-height);
  max-height: calc(100vh - 2rem);
  max-height: calc(100dvh - 2rem);
  overflow: hidden;
  border: 0;
  border-radius: 1rem;
  background: #fff;
  box-shadow: var(--chat-widget-shadow);
}

.chat-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  background: var(--chat-brand);
  color: var(--chat-brand-fg);
  border-bottom: 1px solid transparent;
}

.chat-widget[data-brand-bg-tone="light"] .chat-panel-header {
  border-bottom-color: var(--chat-brand-surface-border);
}

.chat-panel-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--chat-brand-fg);
}

.chat-panel-subtitle {
  margin: 0.15rem 0 0;
  font-size: 0.8125rem;
  color: var(--chat-brand-fg-muted);
}

.chat-messages {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  background: var(--chat-brand-pale);
  padding: 0.75rem;
}

.chat-empty {
  margin: auto;
  text-align: center;
  color: #4c6272;
  font-size: 0.875rem;
  max-width: 14rem;
}

.message-row {
  display: flex;
  flex-direction: column;
  margin-bottom: 0.65rem;
  max-width: 88%;
}

.message-row.is-mine {
  align-self: flex-end;
  align-items: flex-end;
  margin-left: auto;
}

.message-row.is-theirs {
  align-self: flex-start;
  align-items: flex-start;
}

.message-meta {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0.15rem;
  font-size: 0.6875rem;
  color: #4c6272;
}

.read-receipt-wrap {
  display: inline-flex;
  align-items: center;
}

.read-receipt {
  font-size: 0.625rem;
  color: #768692;
}

.read-receipt.is-read {
  color: var(--chat-brand);
}

.pin-overlay--chat {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: #fff;
  border-radius: inherit;
  overflow-y: auto;
}

.pin-overlay--chat .pin-card {
  box-shadow: none;
  border-radius: 0;
  max-height: 100%;
}

.pin-overlay[hidden] {
  display: none !important;
}

.pin-card {
  width: 100%;
  max-width: 22rem;
  border: 0;
  border-top: 4px solid var(--chat-brand-border);
  border-radius: 0;
}

.pin-icon {
  font-size: 1.75rem;
  color: var(--chat-brand);
  margin-bottom: 0.5rem;
}

.pin-input {
  letter-spacing: 0.35em;
  text-align: center;
  font-size: 1.25rem;
  font-weight: 600;
}

.pin-signout {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--bs-border-color);
}

.pin-signout-link {
  color: var(--bs-secondary-color);
  font-size: 0.875rem;
  text-decoration: none;
}

.pin-signout-link:hover {
  color: var(--chat-brand);
  text-decoration: underline;
}

.message-bubble {
  padding: 0.5rem 0.75rem;
  border-radius: 0.75rem;
  font-size: 0.875rem;
  line-height: 1.45;
  word-wrap: break-word;
}

.message-text + .message-media,
.message-media + .message-text {
  margin-top: 0.5rem;
}

.message-link {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 0.12em;
  word-break: break-all;
}

.message-row.is-mine .message-link {
  color: var(--chat-brand-fg);
}

.message-link-preview,
.message-media.message-image {
  display: block;
  max-width: 100%;
  width: auto;
  max-height: 14rem;
  margin-top: 0.5rem;
  border-radius: 0.5rem;
  object-fit: cover;
}

.message-media.message-video {
  display: block;
  width: 100%;
  max-height: 16rem;
  margin-top: 0.5rem;
  border-radius: 0.5rem;
  background: #000;
}

.chat-composer {
  margin-bottom: 0.5rem;
}

.chat-attach-btn {
  border-color: #c9d2d8;
  border-radius: 0.5rem 0 0 0.5rem;
}

.chat-input-group .form-control {
  border-radius: 0;
}

.chat-widget .form-control:focus {
  border-color: var(--chat-brand);
  box-shadow: 0 0 0 0.25rem var(--chat-brand-focus-ring);
}

.chat-input-group .btn.btn-primary {
  border-radius: 0 0.5rem 0.5rem 0;
}

.chat-widget[data-brand-bg-tone="light"] .chat-input-group .btn.btn-primary {
  border-color: var(--chat-brand-surface-border);
}

.chat-send-label {
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.message-row.is-mine .message-bubble {
  background: var(--chat-brand);
  color: var(--chat-brand-fg);
  border: 1px solid transparent;
  border-bottom-right-radius: 0.2rem;
}

.chat-widget[data-brand-bg-tone="light"] .message-row.is-mine .message-bubble {
  border-color: var(--chat-brand-surface-border);
}

.message-row.is-theirs .message-bubble {
  background: #fff;
  color: #212b32;
  border: 1px solid #d8dde0;
  border-bottom-left-radius: 0.2rem;
}

.chat-panel-footer {
  flex: 0 0 auto;
  background: #fff;
  border-top: 1px solid #e7ecef;
  padding: 0.65rem 0.65rem 0;
}

.chat-input-group {
  margin-bottom: 0.5rem;
}

.chat-input-group .form-control {
  border-color: #c9d2d8;
}

.chat-input-group .btn {
  flex: 0 0 auto;
}

.chat-status {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.35rem 0.15rem 0.55rem;
  font-size: 0.75rem;
  color: #4c6272;
  background: transparent;
  border: 0;
}

.chat-status-line {
  display: block;
  line-height: 1.35;
}

.chat-status-line.is-connected {
  color: var(--chat-brand);
}

.chat-status-line.is-error {
  color: #912018;
}

.chat-status.is-error .chat-status-line.is-connected {
  color: #912018;
}

.chat-typing {
  flex: 0 0 auto;
  padding: 0 0.75rem 0.35rem;
  background: var(--chat-brand-pale);
}

.chat-typing[hidden] {
  display: none !important;
}

.chat-typing-row {
  margin-bottom: 0;
}

.chat-typing-bubble {
  min-width: 3rem;
  padding: 0.65rem 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.chat-typing-preview {
  color: var(--chat-brand);
  font-style: italic;
  word-break: break-word;
}

.chat-typing-dots {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  height: 0.5rem;
}

.chat-typing-dots span {
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: #768692;
  animation: chat-typing-bounce 1.2s infinite ease-in-out;
}

.chat-typing-dots span:nth-child(2) {
  animation-delay: 0.15s;
}

.chat-typing-dots span:nth-child(3) {
  animation-delay: 0.3s;
}

@keyframes chat-typing-bounce {
  0%,
  60%,
  100% {
    transform: translateY(0);
    opacity: 0.45;
  }

  30% {
    transform: translateY(-0.2rem);
    opacity: 1;
  }
}

.signout-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.chat-header-btn {
  --bs-btn-color: var(--chat-brand-fg);
  --bs-btn-hover-color: var(--chat-brand-fg);
  --bs-btn-active-color: var(--chat-brand-fg);
  --bs-btn-bg: var(--chat-brand-header-btn-bg);
  --bs-btn-border-color: var(--chat-brand-border-subtle);
  --bs-btn-hover-bg: var(--chat-brand-header-btn-bg-hover);
  --bs-btn-hover-border-color: var(--chat-brand-border-subtle);
  --bs-btn-active-bg: var(--chat-brand-header-btn-bg-active);
  --bs-btn-active-border-color: var(--chat-brand-border-subtle);
  width: 2rem;
  height: 2rem;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 480px) {
  .chat-widget {
    right: 0.5rem;
    bottom: 0.5rem;
    left: 0.5rem;
  }

  .chat-panel {
    width: auto;
  }
}

.browse-modal-content {
  border: 0;
  border-top: 4px solid var(--chat-brand-border);
  border-radius: 0.75rem;
}

.browse-address-bar {
  box-shadow: inset 0 0 0 1px var(--chat-brand-surface-border);
  border-radius: 0.65rem;
  overflow: hidden;
}

.browse-address-bar:focus-within {
  box-shadow:
    inset 0 0 0 1px var(--chat-brand),
    0 0 0 0.25rem var(--chat-brand-focus-ring);
}

.browse-address-bar .input-group-text,
.browse-address-bar .form-control,
.browse-address-bar .btn {
  border: 0;
  border-radius: 0;
}

.browse-address-icon {
  background: #eef2f4;
  color: #4c6272;
}

.browse-address-input {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.9375rem;
}

.browse-address-bar .btn {
  padding-inline: 0.9rem;
}