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0;border:0;font-size:13px}.approval-actions{gap:8px;margin-top:10px;display:flex}.approval-actions button{color:#fff;background:var(--accent-green);cursor:pointer;border:0;border-radius:8px;padding:6px 10px}.approval-actions button.danger{background:var(--danger)}.create-section{background:var(--bg-sidebar);border:1px solid var(--border);border-radius:12px;margin-top:20px;padding:24px}.create-section .row{flex-wrap:wrap;gap:10px;display:flex}.create-section input{border:1px solid var(--border);background:var(--bg-card);color:var(--text-primary);border-radius:10px;outline:none;flex:1;min-width:160px;padding:10px 14px;font-size:14px}.create-section input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #b453091a}.back-link{color:var(--accent);align-items:center;gap:4px;margin-bottom:8px;font-size:13px;display:inline-flex}.back-link:hover{text-decoration:underline}.empty-state{text-align:center;color:var(--text-muted);padding:60px 20px}.empty-state p{margin:0;font-size:14px}@media(max-width:1100px){.room-workspace{grid-template-columns:1fr;height:auto;min-height:calc(100vh - 64px)}.chat-page{min-height:640px}.collab-panel{grid-template-columns:repeat(2,minmax(0,1fr));overflow:visible}}@media(max-width:720px){.app-shell{grid-template-columns:1fr}.sidebar{z-index:10;border-right:0;border-bottom:1px solid var(--border);gap:12px;padding:14px 16px;position:sticky;top:0}.sidebar .brand{font-size:18px}.sidebar .brand-sub,.sidebar .nav-label{display:none}.sidebar nav{gap:8px;margin:10px 0 0;padding-bottom:2px;display:flex;overflow-x:auto}.sidebar nav a{white-space:nowrap;padding:8px 10px}.theme-toggle{text-align:center;margin-top:10px}.sidebar .user-info{display:none}.main-panel{padding:12px;overflow:visible}.room-workspace{grid-template-columns:1fr;gap:12px;height:auto;min-height:calc(100vh - 160px)}.chat-page{border-radius:12px;min-height:calc(100vh - 184px)}.chat-header{align-items:flex-start;gap:12px;padding:16px}.chat-header .room-name{overflow-wrap:anywhere;font-size:16px}.status-badge{flex-shrink:0}.message-list{padding:16px}.message-row{max-width:92%}.message-input-area{grid-template-columns:1fr auto;padding:12px;display:grid}.message-input-area select{order:-1;grid-column:1/-1}.collab-panel{grid-template-columns:1fr;display:grid;overflow:visible}.mention-buttons{grid-column:1/-1;overflow-x:auto}}@media(max-width:420px){.chat-header{flex-direction:column}.status-badge{align-self:flex-start}.message-input-area{grid-template-columns:1fr}.message-input-area button{width:100%}.page-card{padding:20px}.room-grid{grid-template-columns:1fr}}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}