/* Conversations owns its workspace; the shared navigation stays in place. */
[hidden] { display: none !important; }
#screen-conversations > .screen-header { display: none; }
#conversations-root {
  --sms-border: #e2e5e9; --sms-surface: #fff; --sms-sidebar: #f8f9fb;
  --sms-hover: #f0f2f5; --sms-text: #222833; --sms-muted: #626b78;
  --sms-blue: #2459b8; --sms-blue-hover: #1d4897; --sms-selected: #edf3fd;
  --sms-outbound: #edf3fd; --sms-warning: #fff8e7; --sms-warning-text: #76521c;
  --sms-error: #b52b37; --sms-shell-height: 100px;
  --accent: var(--sms-blue); --text: var(--sms-text); --text-dim: var(--sms-muted); --text-muted: var(--sms-muted);
  display: flex; flex-direction: column; flex: none; width: 100%; max-width: none;
  height: calc(100vh - var(--sms-shell-height)); height: calc(100dvh - var(--sms-shell-height));
  min-height: 0; padding: 0; overflow: auto; background: var(--sms-surface); color: var(--sms-text);
  font-size: 13px; line-height: 1.45; scrollbar-color: #c0c7d1 var(--sms-sidebar); scrollbar-width: thin; caret-color: var(--sms-blue);
}
[data-theme='dark'] #conversations-root {
  --sms-border: #343b46; --sms-surface: #191e27; --sms-sidebar: #202630;
  --sms-hover: #2a3240; --sms-text: #e7eaf0; --sms-muted: #b1bac8;
  --sms-blue: #99bcff; --sms-blue-hover: #bad0ff; --sms-selected: #2a3a55;
  --sms-outbound: #293c58; --sms-warning: #39301f; --sms-warning-text: #f0cf92; --sms-error: #ffadb4;
  color-scheme: dark;
}
#conversations-root[data-section='inbox'] { overflow: hidden; }
#conversations-root ::selection { color: var(--sms-text); background: var(--sms-selected); }
#conversations-root ::-webkit-scrollbar-track { background: var(--sms-sidebar); }
#conversations-root ::-webkit-scrollbar-thumb { background: #adb6c3; }
#conversations-root :is(button, input, select, textarea) { font: inherit; }
#conversations-root button {
  min-height: 34px; color: var(--sms-text); border: 1px solid var(--sms-border); background: var(--sms-surface);
  border-radius: 6px; padding: 6px 10px; cursor: pointer; font-weight: 500; transition: background-color 150ms, border-color 150ms;
}
#conversations-root button:hover { background: var(--sms-hover); border-color: #aab3c0; }
#conversations-root button:active { background: var(--sms-selected); }
#conversations-root button:disabled { opacity: .5; cursor: not-allowed; }
#conversations-root .sms-primary { background: var(--sms-blue); color: #fff; border-color: var(--sms-blue); }
#conversations-root .sms-primary:hover { background: var(--sms-blue-hover); border-color: var(--sms-blue-hover); }
[data-theme='dark'] #conversations-root .sms-primary { color: #14233c; }
#conversations-root :is(button, input, textarea, select, summary, a):focus-visible { outline: 2px solid var(--sms-blue); outline-offset: 2px; box-shadow: none; }
#conversations-root :is(input, select, textarea) { background: var(--sms-surface); color: var(--sms-text); border: 1px solid var(--sms-border); border-radius: 6px; padding: 8px 10px; width: 100%; min-width: 0; accent-color: var(--sms-blue); }
#conversations-root input::placeholder, #conversations-root textarea::placeholder { color: var(--sms-muted); opacity: 1; }
#conversations-root textarea { resize: vertical; }
#conversations-root label { display: block; font-size: 12px; color: var(--sms-muted); margin-bottom: 12px; }
#conversations-root label > :is(input, textarea, select) { display: block; margin-top: 5px; }
#conversations-root p { line-height: 1.5; }
#conversations-root a { color: var(--sms-blue); text-underline-offset: 3px; }
#conversations-root .mono { font-family: inherit; font-variant-numeric: tabular-nums; }
.sms-sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.sms-toolbar, .sms-actions, .sms-tabs, .sms-composer-meta, .sms-thread-header, .sms-tools, .sms-workspace-heading, .sms-inbox-heading, .sms-row-heading, .sms-reply-tools { display: flex; align-items: center; gap: 8px; }
.sms-actions, .sms-composer-meta, .sms-reply-tools { flex-wrap: wrap; }
.sms-toolbar, .sms-thread-header, .sms-composer-meta, .sms-inbox-heading, .sms-row-heading { justify-content: space-between; }
#conversations-root > .sms-toolbar { flex: 0 0 auto; min-height: 66px; padding: 12px 20px; border-bottom: 1px solid var(--sms-border); }
.sms-workspace-heading { gap: 28px; min-width: 0; }
.sms-workspace-heading h1 { font-size: 19px; font-weight: 650; letter-spacing: -.02em; margin: 0; }
.sms-tabs { gap: 3px; }
#conversations-root .sms-tabs button { border-color: transparent; background: transparent; font-size: 12px; color: var(--sms-muted); }
#conversations-root .sms-tabs button:hover { background: var(--sms-hover); color: var(--sms-text); }
#conversations-root .sms-tabs [aria-pressed='true'] { color: var(--sms-blue); background: var(--sms-selected); }
.sms-tools { font-size: 12px; color: var(--sms-muted); flex-shrink: 0; }
.sms-connection { font-size: 12px; display: inline-flex; align-items: center; gap: 8px; }
.sms-health { position: relative; }
.sms-health summary { padding: 6px 0; cursor: pointer; font-size: 12px; white-space: nowrap; }
.sms-health > :not(summary) { margin-top: 8px; }
.sms-health[open] > .sms-sync { position: absolute; top: 100%; right: 0; z-index: 5; width: 285px; padding: 14px; border: 1px solid var(--sms-border); border-radius: 6px; background: var(--sms-surface); box-shadow: 0 8px 24px rgba(0, 0, 0, .12); }
.sms-sync { font-size: 12px; color: var(--sms-muted); }
#conversations-root > .sms-sync, #conversations-root > .sms-notice { flex-shrink: 0; margin: 8px 20px; }
.sms-layout { position: relative; flex: 1 1 auto; min-height: 0; display: grid; grid-template-columns: 320px minmax(0, 1fr) 300px; gap: 0; align-items: stretch; overflow: hidden; }
.sms-inbox { display: flex; flex-direction: column; min-height: 0; min-width: 0; background: var(--sms-sidebar); border-right: 1px solid var(--sms-border); padding-top: 16px; }
.sms-inbox-heading { padding: 0 16px; margin-bottom: 14px; }
.sms-inbox-heading h2 { font-size: 14px; font-weight: 650; margin: 0; }
#conversations-root .sms-inbox-heading button { min-height: 30px; font-size: 12px; padding: 5px 9px; }
#conversations-root .sms-inbox-heading button:has(svg) { display: inline-flex; align-items: center; justify-content: center; }
#conversations-root button svg { display: block; flex-shrink: 0; }
.sms-inbox > button, .sms-inbox > .sms-search, .sms-filter-row { margin: 0 16px 12px; }
#conversations-root .sms-search { position: relative; margin-bottom: 12px; }
#conversations-root .sms-search input { margin-top: 0; font-size: 13px; }
.sms-filter-row { display: flex; gap: 8px; align-items: center; }
#conversations-root .sms-filter-row label { flex: 1; margin: 0; }
#conversations-root .sms-filter-row select { padding: 6px 8px; font-size: 12px; margin: 0; }
.sms-list { display: flex; flex-direction: column; flex: 1; min-height: 0; overflow-y: auto; overscroll-behavior: contain; border-top: 1px solid var(--sms-border); }
#conversations-root .sms-conversation { display: flex; flex-shrink: 0; gap: 10px; align-items: flex-start; text-align: left; border: 0; border-bottom: 1px solid var(--sms-border); border-radius: 0; padding: 15px 16px; background: transparent; min-width: 0; width: 100%; }
#conversations-root .sms-conversation:hover { background: var(--sms-hover); }
#conversations-root .sms-conversation.selected { background: var(--sms-selected); }
#conversations-root .sms-conversation:focus-visible { outline-offset: -3px; }
.sms-avatar { display: flex; flex-shrink: 0; align-items: center; justify-content: center; width: 34px; height: 34px; border-radius: 50%; background: #e7ebf1; color: #4e596a; font-size: 12px; font-weight: 600; }
[data-theme='dark'] .sms-avatar { background: #353f4e; color: #d1daea; }
.sms-row-content { flex: 1; min-width: 0; }
.sms-row-heading { align-items: baseline; gap: 6px; }
.sms-row-heading strong { font-size: 13px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sms-conversation.unread .sms-row-heading strong { font-weight: 700; }
.sms-unread-dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--sms-blue); margin: 0 5px 1px 0; }
.sms-row-heading time { flex-shrink: 0; font-size: 10px; color: var(--sms-muted); font-variant-numeric: tabular-nums; font-weight: 400; }
.sms-row-preview { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; font-weight: 400; color: var(--sms-muted); margin-top: 4px; }
.sms-conversation .mono { display: block; font-size: 11px; margin-top: 4px; color: var(--sms-muted); }
.sms-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 8px; font-size: 10px; color: var(--sms-muted); margin-top: 6px; font-weight: 500; }
.sms-tags > span:first-child { color: var(--sms-blue); }
.sms-thread-area { min-width: 0; min-height: 0; display: flex; flex-direction: column; background: var(--sms-surface); }
.sms-thread-area:last-child { grid-column: 2 / -1; }
.sms-new-message { flex: 1; min-height: 0; display: flex; flex-direction: column; }
.sms-draft-conflict { max-width: 720px; margin-top: 24px; }
.sms-draft-conflict h2 { font-size: 18px; margin-bottom: 8px; }
.sms-draft-option { margin: 16px 0; padding: 16px; border: 1px solid var(--sms-border); border-radius: 8px; }
.sms-draft-option h3 { margin: 0 0 8px; font-size: 14px; }
.sms-conflict-body { white-space: pre-wrap; overflow-wrap: anywhere; }
.sms-new-header { display: flex; justify-content: space-between; align-items: center; padding: 22px 28px; border-bottom: 1px solid var(--sms-border); }
.sms-new-header h2 { margin: 0; font-size: 19px; font-weight: 650; }
.sms-new-recipient { flex: 1; min-height: 0; overflow-y: auto; padding: 26px 28px; }
#conversations-root .sms-new-recipient form { max-width: none; }
#conversations-root .sms-new-recipient label { font-size: 14px; color: var(--sms-text); margin-bottom: 8px; }
#conversations-root #sms-new-to { min-height: 68px; font-size: 30px; padding: 14px 0; border: 0; border-bottom: 1px solid var(--sms-border); border-radius: 0; box-shadow: none; background: transparent; }
#conversations-root #sms-new-to:focus-visible { outline: 0; box-shadow: none; border-bottom: 2px solid var(--sms-blue); }
#sms-new-status, .sms-new-limit { margin: 14px 0; font-size: 12px; color: var(--sms-muted); }
.sms-new-suggestions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: 12px; font-size: 12px; }
.sms-new-results { max-width: 720px; margin-top: 20px; display: flex; flex-direction: column; }
#conversations-root .sms-recipient-result { display: flex; align-items: center; gap: 12px; padding: 16px; border-radius: 0; border-width: 0 0 1px; text-align: left; }
.sms-recipient-result > span:nth-child(2) { flex: 1; min-width: 0; }
.sms-recipient-result strong, .sms-recipient-result > span:nth-child(2) > span { display: block; overflow-wrap: anywhere; }
.sms-recipient-result > span:nth-child(2) > span { color: var(--sms-muted); margin-top: 3px; font-size: 12px; }
.sms-recipient-origin { font-size: 11px; color: var(--sms-muted); }
#conversations-root .sms-new-name { max-width: 480px; margin-top: 28px; }
.sms-new-name span { font-size: 12px; color: var(--sms-muted); font-weight: 400; }
.sms-new-space { flex: 1; }
.sms-new-composer { max-height: 50%; }
#conversations-root #sms-new-body { min-height: 100px; resize: vertical; line-height: 1.5; }
.sms-thread { flex: 1; display: flex; flex-direction: column; min-height: 0; }
.sms-thread-header { flex: 0 0 auto; padding: 15px 22px; border-bottom: 1px solid var(--sms-border); gap: 12px; min-height: 88px; }
.sms-thread-header > div:not(.sms-actions) { flex: 1; min-width: 0; }
.sms-thread-header h2 { font-size: 16px; font-weight: 650; margin: 0 0 3px; overflow-wrap: anywhere; }
.sms-thread-header .mono { font-size: 12px; color: var(--sms-muted); }
.sms-thread-header p { font-size: 11px; margin: 4px 0 0; color: var(--sms-muted); }
#conversations-root .sms-thread-header button { font-size: 12px; }
#conversations-root .sms-back-inbox, #conversations-root .sms-contact-toggle, #conversations-root .sms-close-contact { display: none; }
.sms-messages { flex: 1 1 0; min-height: 70px; overflow-y: auto; overscroll-behavior: contain; display: flex; flex-direction: column; gap: 14px; padding: 24px 26px; }
.sms-messages > * { flex-shrink: 0; }
.sms-date-divider { align-self: center; font-size: 11px; color: var(--sms-muted); margin: 8px 0; font-variant-numeric: tabular-nums; }
.sms-message { background: var(--sms-sidebar); border-radius: 10px; padding: 11px 14px; max-width: min(80%, 65ch); align-self: flex-start; overflow-wrap: anywhere; font-size: 13px; }
.sms-message.outbound { align-self: flex-end; background: var(--sms-outbound); }
.sms-message p, .sms-final-body { white-space: pre-wrap; margin: 0; overflow-wrap: anywhere; }
.sms-message-meta, .sms-message-details { font-size: 10px; color: var(--sms-muted); margin-top: 7px; }
.sms-message-details summary { cursor: pointer; font-variant-numeric: tabular-nums; }
.sms-message-details > :not(summary) { display: block; margin-top: 5px; }
.sms-message .sms-actions { margin-top: 8px; }
.sms-message .sms-actions:empty { display: none; }
#conversations-root .sms-message .sms-actions button { min-height: 28px; font-size: 11px; padding: 4px 7px; }
.sms-media { margin: 8px 0; font-size: 12px; }
.sms-composer { position: sticky; bottom: 0; flex: 0 0 auto; min-height: 0; max-height: 62%; overflow-y: auto; overscroll-behavior: contain; padding: 14px 22px 18px; border-top: 1px solid var(--sms-border); background: var(--sms-surface); }
.sms-reply-tools { margin-bottom: 8px; }
#conversations-root .sms-reply-tools label { margin: 0; min-width: 0; flex: 1 1 180px; }
#conversations-root .sms-reply-tools select { margin: 0; padding: 6px 8px; font-size: 12px; max-width: 280px; }
#conversations-root .sms-composer > label[for='sms-body'] { margin: 0 0 6px; color: var(--sms-text); }
#conversations-root #sms-body { display: block; min-height: 64px; max-height: 160px; resize: none; line-height: 1.5; overflow-y: auto; padding: 10px 12px; }
.sms-composer-meta { margin-top: 10px; gap: 8px 16px; font-size: 11px; color: var(--sms-muted); }
.sms-composer-meta > span { flex: 1 1 140px; }
.sms-notice { padding: 10px 12px; background: var(--sms-warning); color: var(--sms-warning-text); border: 1px solid var(--sms-border); border-radius: 5px; font-size: 12px; margin: 0 0 12px; }
.sms-notice p + p { margin-top: 8px; }
.sms-notice button { margin-top: 6px; }
.sms-error { color: var(--sms-error); }
.sms-preview { border: 1px solid var(--sms-border); border-radius: 6px; margin-top: 14px; padding: 14px; background: var(--sms-sidebar); }
.sms-preview h3, .sms-contact-pane h3, .sms-card h3 { font-size: 14px; font-weight: 650; margin: 0 0 10px; }
.sms-preview > p, .sms-contact-pane p, .sms-card p { font-size: 12px; margin-bottom: 10px; }
.sms-final-body { background: var(--sms-surface); border-radius: 5px; padding: 12px; max-height: 200px; overflow-y: auto; }
#conversations-root .sms-check { display: flex; align-items: flex-start; gap: 8px; line-height: 1.5; color: var(--sms-text); }
#conversations-root .sms-check input { width: auto; margin: 3px 0 0; flex-shrink: 0; }
.sms-contact-pane { min-height: 0; overflow-y: auto; overscroll-behavior: contain; padding: 18px; font-size: 12px; background: var(--sms-sidebar); border-left: 1px solid var(--sms-border); }
.sms-contact-pane > .sms-inbox-heading { padding: 0; margin-bottom: 20px; }
.sms-contact-pane > .sms-inbox-heading h3 { margin: 0; }
.sms-contact-summary { margin-bottom: 16px; padding-bottom: 14px; border-bottom: 1px solid var(--sms-border); }
.sms-contact-summary strong { display: block; font-size: 14px; margin-bottom: 6px; }
.sms-contact-pane .sms-form { margin: 12px 0; }
.sms-disclosure { border-top: 1px solid var(--sms-border); padding: 12px 0; margin-top: 12px; }
.sms-disclosure summary { cursor: pointer; font-weight: 500; }
.sms-disclosure[open] summary { margin-bottom: 12px; }
.sms-empty { color: var(--sms-muted); font-size: 13px; padding: 32px 24px; text-align: center; }
.sms-thread-area > .sms-empty { margin: auto; max-width: 38ch; }
.sms-card { border: 1px solid var(--sms-border); border-radius: 8px; background: var(--sms-surface); padding: 18px; margin-bottom: 14px; }
.sms-form { max-width: 550px; }
#conversations-root > .sms-form { flex-shrink: 0; width: calc(100% - 40px); margin: 14px 20px; max-height: 36%; overflow-y: auto; }
.sms-contact-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.sms-phonebook, .sms-settings { flex-shrink: 0; padding: 22px; }
.sms-phonebook > .sms-toolbar { margin-bottom: 16px; flex-wrap: wrap; }
.sms-phonebook .sms-toolbar label { flex: 1; max-width: 380px; margin-bottom: 0; }
.sms-settings { max-width: 800px; width: 100%; }
.sms-settings > button { margin-bottom: 15px; }
[data-sms-badge]:not(:empty) { font-size: 10px; margin-left: 5px; color: var(--accent); }
@media (max-width: 1100px) {
  .sms-layout { grid-template-columns: 320px minmax(0, 1fr); }
  .sms-contact-pane { display: none; }
  .sms-layout.contact-open .sms-contact-pane { display: block; position: absolute; inset: 0 0 0 auto; width: 300px; max-width: 100%; z-index: 4; box-shadow: -8px 0 24px rgba(0, 0, 0, .12); }
  #conversations-root .sms-contact-toggle, #conversations-root .sms-close-contact { display: inline-flex; align-items: center; justify-content: center; }
  #conversations-root .sms-close-contact { float: right; min-height: 28px; padding: 4px 8px; font-size: 12px; margin: -2px 0 8px 8px; }
  .sms-workspace-heading { gap: 16px; }
}
@media (max-width: 900px) {
  #conversations-root > .sms-toolbar { padding: 10px 16px; gap: 12px; flex-wrap: wrap; }
  .sms-workspace-heading { flex: 1 1 auto; }
  .sms-tools { margin-left: auto; }
  .sms-layout { grid-template-columns: 285px minmax(0, 1fr); }
  .sms-thread-header { padding: 14px 16px; flex-wrap: wrap; }
  .sms-messages { padding: 18px; }
  .sms-composer { padding: 12px 16px 16px; }
}
@media (max-width: 768px) {
  #conversations-root { --sms-shell-height: calc(59px + env(safe-area-inset-top)); }
}
@media (max-width: 700px) {
  .sms-layout.has-new-message .sms-inbox { display: none; }
  .sms-layout.has-new-message .sms-thread-area { display: flex; }
  .sms-new-header { padding: 16px; }
  .sms-new-recipient { padding: 20px 16px; }
  #conversations-root #sms-new-to { font-size: 22px; }
  .sms-recipient-origin { display: none; }
  #conversations-root > .sms-toolbar { min-height: 0; padding: 10px 12px; gap: 7px; }
  .sms-workspace-heading { width: 100%; gap: 8px 16px; flex-wrap: wrap; }
  .sms-workspace-heading h1 { font-size: 17px; }
  .sms-tabs { margin-left: auto; gap: 0; }
  #conversations-root .sms-tabs button { min-height: 30px; padding: 5px 7px; font-size: 11px; }
  .sms-tools { width: 100%; justify-content: flex-end; gap: 12px; }
  #conversations-root .sms-tools button { min-height: 28px; padding: 4px 8px; font-size: 11px; }
  .sms-layout { display: flex; flex-direction: column; }
  .sms-inbox { flex: 1; width: 100%; border-right: 0; }
  .sms-thread-area { display: none; flex: 1; width: 100%; }
  .sms-layout.has-thread .sms-inbox { display: none; }
  .sms-layout.has-thread .sms-thread-area { display: flex; }
  .sms-layout.has-thread.list-open .sms-inbox { display: flex; }
  .sms-layout.has-thread.list-open .sms-thread-area { display: none; }
  #conversations-root .sms-back-inbox { display: inline-flex; align-items: center; justify-content: center; }
  .sms-thread-header { padding: 12px 14px; gap: 8px; min-height: 76px; }
  .sms-thread-header h2 { font-size: 15px; }
  .sms-thread-header .sms-actions { gap: 6px; }
  .sms-messages { padding: 16px 14px; gap: 12px; }
  .sms-message { max-width: 90%; }
  .sms-composer { padding: 12px 14px calc(12px + env(safe-area-inset-bottom)); max-height: 65%; }
  .sms-composer-meta { gap: 8px; }
  .sms-phonebook, .sms-settings { padding: 16px; }
  .sms-contact-grid { grid-template-columns: 1fr; }
  .sms-health[open] > .sms-sync { width: min(285px, calc(100vw - 24px)); }
}
@media (max-height: 600px) {
  .sms-thread-header { min-height: 0; padding-top: 10px; padding-bottom: 10px; }
  .sms-composer { max-height: 70%; }
}
@media (prefers-reduced-motion: reduce) {
  #conversations-root button { transition: none; }
}