/* Default skin: clean workspace. Layout rules belong here, business states stay in style.css. */
html[data-skin="clear"] {--radius-sm:6px;--radius:10px;--radius-lg:12px;--radius-xl:16px;--msg-radius:12px;--shadow-accent:none;--accent-glow:transparent}
html[data-skin="clear"] body::before,html[data-skin="clear"] body::after {display:none}
html[data-skin="clear"] .btn-primary,html[data-skin="clear"] .send-btn {background:var(--accent);color:var(--on-accent);box-shadow:none}
html[data-skin="clear"] .msg.user .bubble {background:var(--bubble-user-bg);color:var(--bubble-user-text);border:1px solid var(--border-light)}
html[data-skin="clear"] .msg.user .bubble a {color:var(--accent)}
html[data-skin="clear"] .msg .bubble {box-shadow:none;line-height:1.8}
html[data-skin="clear"] .msg .bubble-text.md-body {white-space:normal}
html[data-skin="clear"] .navbar,html[data-skin="clear"] .chat-header,html[data-skin="clear"] .online-sidebar {backdrop-filter:none;-webkit-backdrop-filter:none;background:var(--bg-card);box-shadow:none}
html[data-skin="clear"] .navbar-brand::before {background:var(--accent);box-shadow:none}
html[data-skin="clear"] .market-hero,html[data-skin="clear"] .profile-hero {background:var(--bg-card);border:1px solid var(--border);box-shadow:none;border-radius:12px}
html[data-skin="clear"] .market-page {--market-card-radius:12px}
html[data-skin="clear"] .room-card,html[data-skin="clear"] .profile-section {box-shadow:none;border:1px solid var(--border-light)}
html[data-skin="clear"] .input-area {background:var(--bg-card);border-top:1px solid var(--border);box-shadow:none}
html[data-skin="clear"] .input-area textarea {background:var(--bg-input);border-radius:10px}
.skin-options {display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:20px 0}
.skin-option {border:1px solid var(--border);background:var(--bg-card);color:var(--text-primary);border-radius:10px;padding:15px;text-align:left}
.skin-option span {display:block;color:var(--text-secondary);font-size:.75rem;margin-top:5px}
.skin-option.selected {border-color:var(--accent);background:var(--accent-soft)}
.skin-option:disabled {opacity:.55;cursor:not-allowed}
.appearance-modes {display:flex;gap:10px}
.workspace-rooms,.workspace-members,.workspace-close {display:none}
@media(min-width:1100px) {
    html[data-layout="workspace"] .app-shell {padding-left:176px}
    html[data-layout="workspace"] .app-shell>.navbar {position:fixed;inset:0 auto 0 0;width:176px;height:100dvh;min-height:0;padding:28px 16px;display:flex;flex-direction:column;align-items:stretch;gap:28px;border-right:1px solid var(--border);border-bottom:0;background:var(--bg-tertiary)}
    html[data-layout="workspace"] .navbar-left,html[data-layout="workspace"] .navbar-center,html[data-layout="workspace"] .navbar-right {display:flex;flex-direction:column;align-items:stretch;gap:8px;width:100%;min-width:0}
    html[data-layout="workspace"] .navbar-left {gap:18px}
    html[data-layout="workspace"] .navbar-brand {font-size:1rem}
    html[data-layout="workspace"] .navbar-brand::before {display:none}
    html[data-layout="workspace"] .navbar-right {margin-top:auto}
    html[data-layout="workspace"] .navbar-center .nav-link {padding:12px 15px;border-radius:8px;font-size:.9rem}
    html[data-layout="workspace"] .navbar-center .nav-link.active {background:var(--bg-card);color:var(--accent);box-shadow:var(--shadow-sm)}
    html[data-layout="workspace"] .navbar-room-name {white-space:normal;overflow-wrap:anywhere;font-size:1rem;margin:0}
    html[data-layout="workspace"] .navbar-right .navbar-username {max-width:100%;white-space:normal}
    html[data-layout="workspace"] .navbar-right .points-badge {justify-content:center}
    html[data-layout="workspace"] .navbar .menu-toggle {display:none}
    html[data-layout="workspace"] .app-shell>.navbar {justify-content:flex-start}
    html[data-layout="workspace"] .navbar-center {flex:0 0 auto;justify-content:flex-start}
    html[data-layout="workspace"] .app-shell>.container,html[data-layout="workspace"] .app-shell>.container-wide {padding-top:36px}
    html[data-layout="workspace"] .app-shell[data-page="chat"] {padding-left:416px;padding-right:230px}
    html[data-layout="workspace"] .app-shell .chat-container {max-width:none;margin:0;height:100dvh;background:var(--bg-card)}
    html[data-layout="workspace"] .app-shell[data-page="dm"] .chat-container {max-width:1000px;margin:auto}
    html[data-layout="workspace"] .workspace-rooms {display:flex;flex-direction:column;position:fixed;left:176px;top:0;bottom:0;width:240px;padding:28px 16px;background:var(--bg-card);border-right:1px solid var(--border);gap:18px}
    .workspace-list-heading {display:flex;align-items:center;justify-content:space-between}
    .workspace-list-heading h2 {font-size:1rem}.workspace-list-heading a {font-size:.75rem}
    .workspace-room-search {width:100%;background:var(--bg-input);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);padding:10px;font:inherit;font-size:.8rem}
    .workspace-room-items {overflow-y:auto;flex:1;font-size:.8rem;color:var(--text-secondary)}
    .workspace-room {display:block;padding:15px 12px;border-radius:8px;color:var(--text-primary);margin:6px 0;overflow-wrap:anywhere}
    .workspace-room small {display:block;color:var(--text-secondary);font-size:.7rem;margin-top:7px}
    .workspace-room.active,.workspace-room:hover {background:var(--accent-soft)}
    .workspace-discover-link {font-size:.8rem;padding:12px}
    html[data-layout="workspace"] .online-sidebar {display:block;top:0;right:0;bottom:0;width:230px;padding:30px 20px;border:0;border-left:1px solid var(--border);border-radius:0;background:var(--bg-card)}
    html[data-layout="workspace"] .messages-area {padding:28px clamp(20px,3vw,52px)}
    html[data-layout="workspace"] .jump-latest {position:absolute;right:20px;bottom:100px}
    html[data-layout="workspace"] .chat-header {min-height:72px;padding:18px 24px}
    html[data-layout="workspace"] .input-area {margin:0 24px 20px;border:1px solid var(--border);border-radius:12px;padding:10px}
}
@media(min-width:1100px) and (max-width:1279px) {
    html[data-layout="workspace"] .app-shell[data-page="chat"] {padding-right:0}
    html[data-layout="workspace"] .online-sidebar {display:none}
    html[data-layout="workspace"] .workspace-members {display:inline-flex}
}
@media(max-width:1099px) {
    html[data-skin="clear"] .online-sidebar {display:none}
    html[data-skin="clear"] .workspace-members {display:inline-flex;white-space:nowrap}
    html[data-skin="clear"] .chat-container {max-width:100%}
    html[data-skin="clear"] .chat-header {flex-wrap:wrap;gap:8px}
    html[data-skin="clear"] .header-actions {flex-wrap:wrap}
    html[data-skin="clear"] .tabbar {border-radius:0;box-shadow:none;border-top:1px solid var(--border);background:var(--bg-card)}
}
html[data-skin="clear"] .online-sidebar.workspace-open {display:block;position:fixed;z-index:120;inset:0 0 0 auto;width:min(330px,92vw);border:1px solid var(--border);padding-top:24px}
.workspace-backdrop {position:fixed;inset:0;z-index:119;border:0;background:var(--overlay)}
.workspace-room[hidden],.workspace-backdrop[hidden] {display:none}
.online-sidebar.workspace-open .workspace-close {display:block;margin-left:auto;margin-bottom:22px;min-height:44px}
@media(prefers-reduced-motion:reduce) {html[data-skin] *,html[data-skin] *::before,html[data-skin] *::after {animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

html[data-skin="clear"] .msg.user .speaker-name,html[data-skin="clear"] .msg.user .message-action-btn {color:var(--text-secondary)}

/* S1: the fixed workspace rail must remain scrollable at large text/zoom. */
@media(min-width:1100px) {
    html[data-layout="workspace"] .app-shell>.navbar {overflow-y:auto;overscroll-behavior:contain}
    html[data-layout="workspace"] .navbar-left,html[data-layout="workspace"] .navbar-center,html[data-layout="workspace"] .navbar-right {flex-shrink:0}
}