:root{--color-accent: #6366f1;--color-accent-hover: #4f46e5;--color-accent-subtle: rgba(99, 102, 241, .1);--color-bg-primary: #0f0f10;--color-bg-secondary: #1a1a1b;--color-bg-tertiary: #232324;--color-bg-elevated: #2a2a2b;--color-bg-input: #1a1a1b;--color-text-primary: #f0f0f0;--color-text-secondary: #a0a0a0;--color-text-tertiary: #6b6b6b;--color-text-muted: #4a4a4a;--color-border: #2a2a2b;--color-border-subtle: #1f1f20;--color-border-hover: #3a3a3b;--color-success: #22c55e;--color-success-subtle: rgba(34, 197, 94, .1);--color-warning: #f59e0b;--color-warning-subtle: rgba(245, 158, 11, .1);--color-error: #ef4444;--color-error-subtle: rgba(239, 68, 68, .1);--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px;--radius-xl: 12px;--radius-full: 9999px;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--font-normal: 400;--font-medium: 500;--font-semibold: 600;--leading-tight: 1.25;--leading-normal: 1.5;--leading-relaxed: 1.625;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4);--transition-fast: .15s ease;--transition-normal: .2s ease;--sidebar-width: 280px;--header-height: 60px}@media (prefers-color-scheme: light){:root{--color-bg-primary: #ffffff;--color-bg-secondary: #f9fafb;--color-bg-tertiary: #f3f4f6;--color-bg-elevated: #ffffff;--color-bg-input: #ffffff;--color-text-primary: #111827;--color-text-secondary: #4b5563;--color-text-tertiary: #6b7280;--color-text-muted: #9ca3af;--color-border: #e5e7eb;--color-border-subtle: #f3f4f6;--color-border-hover: #d1d5db;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1)}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);font-size:var(--text-base);line-height:var(--leading-normal);color:var(--color-text-primary);background-color:var(--color-bg-primary);min-height:100vh}h1,h2,h3,h4,h5,h6{font-weight:var(--font-semibold);line-height:var(--leading-tight);color:var(--color-text-primary)}h1{font-size:var(--text-2xl)}h2{font-size:var(--text-xl)}h3{font-size:var(--text-lg)}p{margin-bottom:var(--space-4)}a{color:var(--color-accent);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-accent-hover);text-decoration:underline}code,pre,kbd,samp{font-family:var(--font-mono);font-size:.9em}pre{background-color:var(--color-bg-tertiary);padding:var(--space-4);border-radius:var(--radius-md);overflow-x:auto;line-height:var(--leading-relaxed)}input,select,textarea,button{font-family:inherit;font-size:inherit}input,select,textarea{background-color:var(--color-bg-input);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-2) var(--space-3);color:var(--color-text-primary);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 2px var(--color-accent-subtle)}:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}button:focus-visible{outline-offset:2px}.layout{display:flex;min-height:100vh;background-color:var(--color-bg-primary)}.sidebar{width:var(--sidebar-width);background-color:var(--color-bg-secondary);border-right:1px solid var(--color-border);display:flex;flex-direction:column;flex-shrink:0}.sidebar nav{display:flex;flex-direction:column;gap:var(--space-1);padding:var(--space-4)}.sidebar nav a{display:block;padding:var(--space-2) var(--space-3);color:var(--color-text-secondary);border-radius:var(--radius-md);transition:background-color var(--transition-fast),color var(--transition-fast);font-size:var(--text-sm);font-weight:var(--font-medium);text-decoration:none}.sidebar nav a:hover{background-color:var(--color-bg-tertiary);color:var(--color-text-primary);text-decoration:none}.main-panel{flex:1;display:flex;flex-direction:column;min-width:0;overflow:hidden}.header{height:var(--header-height);display:flex;align-items:center;justify-content:space-between;padding:0 var(--space-6);background-color:var(--color-bg-secondary);border-bottom:1px solid var(--color-border);flex-shrink:0}.header h1{font-size:var(--text-lg);font-weight:var(--font-semibold);color:var(--color-text-primary);margin:0}.header-user{display:flex;align-items:center;gap:var(--space-3);font-size:var(--text-sm);color:var(--color-text-secondary)}.header-avatar{width:32px;height:32px;border-radius:var(--radius-full);background-color:var(--color-accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:var(--text-sm);font-weight:var(--font-semibold)}.logout-button{padding:var(--space-2) var(--space-3);background-color:transparent;border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-secondary);font-size:var(--text-sm);cursor:pointer;transition:background-color var(--transition-fast),border-color var(--transition-fast),color var(--transition-fast)}.logout-button:hover{background-color:var(--color-bg-tertiary);border-color:var(--color-border-hover);color:var(--color-text-primary)}.loading{display:flex;align-items:center;justify-content:center;padding:var(--space-12);color:var(--color-text-secondary);font-size:var(--text-sm)}.empty-state{display:flex;align-items:center;justify-content:center;padding:var(--space-12);color:var(--color-text-tertiary);font-size:var(--text-sm);text-align:center}.channels-panel{flex:1;display:flex;flex-direction:column;overflow:hidden}.channel-list{flex:1;overflow-y:auto;padding:var(--space-4)}.channel-list h3{font-size:var(--text-xs);font-weight:var(--font-semibold);text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-tertiary);margin-bottom:var(--space-2);margin-top:var(--space-4)}.channel-list h3:first-child{margin-top:0}.channel-item{padding:var(--space-3);border-radius:var(--radius-md);cursor:pointer;transition:background-color var(--transition-fast);margin-bottom:var(--space-1)}.channel-item:hover{background-color:var(--color-bg-tertiary)}.channel-item.active{background-color:var(--color-accent-subtle);border-left:2px solid var(--color-accent)}.channel-item.active .channel-name{color:var(--color-accent);font-weight:var(--font-medium)}.channel-name{font-size:var(--text-sm);font-weight:var(--font-medium);color:var(--color-text-primary);margin-bottom:var(--space-1);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.channel-meta{font-size:var(--text-xs);color:var(--color-text-tertiary)}.messages-panel{flex:1;display:flex;flex-direction:column;overflow:hidden;background-color:var(--color-bg-primary)}.message-thread{flex:1;overflow-y:auto;padding:var(--space-4) var(--space-6)}.message-bubble{display:flex;flex-direction:column;padding:var(--space-3) 0;border-bottom:1px solid var(--color-border-subtle)}.message-bubble:last-child{border-bottom:none}.message-header{display:flex;align-items:center;gap:var(--space-3);margin-bottom:var(--space-2)}.message-avatar{flex-shrink:0}.avatar-image{width:32px;height:32px;border-radius:var(--radius-full);object-fit:cover}.avatar-default{width:32px;height:32px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-size:var(--text-xs);font-weight:var(--font-semibold);color:#fff}.message-meta{display:flex;align-items:center;gap:var(--space-2);font-size:var(--text-sm)}.display-name{font-weight:var(--font-semibold);color:var(--color-text-primary)}.role-label{color:var(--color-text-tertiary);font-size:var(--text-xs)}.timestamp{color:var(--color-text-muted);font-size:var(--text-xs);font-family:var(--font-mono)}.message-content{margin-left:44px;color:var(--color-text-primary);line-height:var(--leading-relaxed);white-space:pre-wrap;word-wrap:break-word}.message-content.system-message{color:var(--color-text-secondary);font-style:italic}.role-user .avatar-default{background-color:#6366f1}.role-assistant .avatar-default{background-color:#10b981}.role-system .avatar-default{background-color:#6b7280}.role-tool .avatar-default{background-color:#f59e0b}.reasoning-block{margin-left:44px;margin-top:var(--space-2);border:1px solid var(--color-border);border-radius:var(--radius-md);background-color:var(--color-bg-tertiary)}.reasoning-block summary{padding:var(--space-2) var(--space-3);font-size:var(--text-xs);font-weight:var(--font-medium);color:var(--color-text-secondary);cursor:pointer;-webkit-user-select:none;user-select:none;transition:background-color var(--transition-fast);border-radius:var(--radius-md)}.reasoning-block summary:hover{background-color:var(--color-bg-elevated)}.reasoning-content{padding:var(--space-3);font-size:var(--text-xs);color:var(--color-text-secondary);background-color:transparent;border-radius:0 0 var(--radius-md) var(--radius-md);max-height:400px;overflow-y:auto}.tool-call-block{margin-left:44px;margin-top:var(--space-2);border:1px solid var(--color-border);border-radius:var(--radius-md);background-color:var(--color-bg-tertiary)}.tool-call-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-2) var(--space-3);font-size:var(--text-sm);font-weight:var(--font-medium);color:var(--color-text-secondary);cursor:pointer;-webkit-user-select:none;user-select:none;transition:background-color var(--transition-fast);border-radius:var(--radius-md)}.tool-call-header:hover{background-color:var(--color-bg-elevated)}.tool-call-content{padding:var(--space-3);font-size:var(--text-xs);font-family:var(--font-mono);color:var(--color-text-secondary);background-color:var(--color-bg-secondary);border-radius:0 0 var(--radius-md) var(--radius-md);max-height:300px;overflow-y:auto;margin:0 var(--space-3) var(--space-3)}.message-attachments{margin-left:44px;margin-top:var(--space-2);display:flex;flex-direction:column;gap:var(--space-2)}.attachment-chip{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-2) var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);background-color:var(--color-bg-secondary);max-width:fit-content}.attachment-chip.image{flex-direction:column;align-items:flex-start;gap:var(--space-2)}.attachment-preview{line-height:0}.attachment-thumbnail{max-width:200px;max-height:150px;border-radius:var(--radius-sm);cursor:pointer;transition:opacity var(--transition-fast)}.attachment-thumbnail:hover{opacity:.9}.attachment-info{display:flex;align-items:center;gap:var(--space-2);font-size:var(--text-sm)}.attachment-info a{color:var(--color-accent);text-decoration:none}.attachment-info a:hover{text-decoration:underline}.attachment-meta{color:var(--color-text-tertiary);font-size:var(--text-xs)}.attachment-header{font-size:var(--text-sm)}.fullscreen-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#000000e6;display:flex;align-items:center;justify-content:center;z-index:1000;cursor:pointer}.fullscreen-overlay img{max-width:90vw;max-height:90vh;object-fit:contain}.load-more-btn,.load-more-messages-btn{display:block;width:calc(100% - var(--space-8));margin:var(--space-4);padding:var(--space-2) var(--space-4);background-color:var(--color-bg-tertiary);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-secondary);font-size:var(--text-sm);cursor:pointer;transition:background-color var(--transition-fast),border-color var(--transition-fast),color var(--transition-fast)}.load-more-btn:hover,.load-more-messages-btn:hover{background-color:var(--color-bg-elevated);border-color:var(--color-border-hover);color:var(--color-text-primary)}.load-more-btn:disabled,.load-more-messages-btn:disabled{opacity:.5;cursor:not-allowed}.load-more-messages-btn{margin-bottom:var(--space-4)}.polling-indicator{display:flex;align-items:center;justify-content:center;padding:var(--space-3);font-size:var(--text-xs);color:var(--color-text-tertiary);border-top:1px solid var(--color-border);background-color:var(--color-bg-secondary)}.polling-indicator span:before{content:"";display:inline-block;width:6px;height:6px;background-color:var(--color-accent);border-radius:var(--radius-full);margin-right:var(--space-2);animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,to{opacity:.4}50%{opacity:1}}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background-color:var(--color-bg-primary);padding:var(--space-6)}.login-card{background-color:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-10);text-align:center;max-width:400px;width:100%;box-shadow:var(--shadow-md)}.login-card h1{font-size:var(--text-xl);margin-bottom:var(--space-2);color:var(--color-text-primary)}.login-card p{color:var(--color-text-secondary);margin-bottom:var(--space-6);font-size:var(--text-sm)}.login-button{display:inline-block;padding:var(--space-3) var(--space-6);background-color:var(--color-accent);color:#fff;font-size:var(--text-sm);font-weight:var(--font-medium);border-radius:var(--radius-md);text-decoration:none;transition:background-color var(--transition-fast),transform var(--transition-fast)}.login-button:hover{background-color:var(--color-accent-hover);transform:translateY(-1px);text-decoration:none}.mcp-page{padding:var(--space-6);max-width:1200px}.mcp-page h1{font-size:var(--text-xl);font-weight:var(--font-semibold);margin-bottom:var(--space-4);color:var(--color-text-primary)}.mcp-page h2{font-size:var(--text-lg);font-weight:var(--font-semibold);margin-top:var(--space-6);margin-bottom:var(--space-4);color:var(--color-text-primary)}.mcp-table{width:100%;border-collapse:collapse;font-size:var(--text-sm);background-color:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden}.mcp-table th,.mcp-table td{text-align:left;padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--color-border)}.mcp-table th{font-weight:var(--font-semibold);background-color:var(--color-bg-tertiary);color:var(--color-text-secondary);font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.05em}.mcp-table tbody tr:hover{background-color:var(--color-bg-tertiary)}.mcp-table tbody tr:last-child td{border-bottom:none}.mcp-status-badge{display:inline-block;padding:var(--space-1) var(--space-2);border-radius:var(--radius-full);font-size:var(--text-xs);font-weight:var(--font-medium)}.mcp-status-badge.pending{background-color:var(--color-warning-subtle);color:var(--color-warning)}.mcp-status-badge.approved{background-color:var(--color-success-subtle);color:var(--color-success)}.mcp-status-badge.rejected{background-color:var(--color-error-subtle);color:var(--color-error)}.mcp-status-badge.disabled{background-color:var(--color-bg-tertiary);color:var(--color-text-tertiary)}.mcp-form{display:flex;flex-direction:column;gap:var(--space-4);max-width:480px;margin-top:var(--space-4);padding:var(--space-4);background-color:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-lg)}.mcp-form label{font-size:var(--text-sm);font-weight:var(--font-medium);color:var(--color-text-primary);display:flex;flex-direction:column;gap:var(--space-2)}.mcp-form input,.mcp-form select{width:100%;padding:var(--space-2) var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--text-sm);background-color:var(--color-bg-input);color:var(--color-text-primary);transition:border-color var(--transition-fast)}.mcp-form input:focus,.mcp-form select:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 2px var(--color-accent-subtle)}.mcp-form button[type=submit]{align-self:flex-start;padding:var(--space-2) var(--space-4);background-color:var(--color-accent);color:#fff;border:none;border-radius:var(--radius-md);cursor:pointer;font-size:var(--text-sm);font-weight:var(--font-medium);transition:background-color var(--transition-fast)}.mcp-form button[type=submit]:hover{background-color:var(--color-accent-hover)}.mcp-form button[type=submit]:disabled{opacity:.5;cursor:not-allowed}.mcp-error{color:var(--color-error);font-size:var(--text-sm);margin-top:var(--space-2)}.mcp-btn-danger{padding:var(--space-1) var(--space-3);background-color:var(--color-bg-tertiary);color:var(--color-text-secondary);border:1px solid var(--color-border);border-radius:var(--radius-md);cursor:pointer;font-size:var(--text-xs);font-weight:var(--font-medium);transition:background-color var(--transition-fast),border-color var(--transition-fast),color var(--transition-fast)}.mcp-btn-danger:hover{background-color:var(--color-bg-elevated);border-color:var(--color-border-hover);color:var(--color-text-primary)}.mcp-page button[style*="border-radius: 9999px"]{transition:background-color var(--transition-fast),color var(--transition-fast)}@media (max-width: 1024px){.layout{flex-direction:column}.sidebar{width:100%;border-right:none;border-bottom:1px solid var(--color-border);max-height:40vh;overflow-y:auto}.sidebar nav{flex-direction:row;flex-wrap:wrap;padding:var(--space-3);gap:var(--space-2)}.sidebar nav a{padding:var(--space-1) var(--space-3)}.channels-panel{max-height:none}.channel-list{display:flex;flex-wrap:wrap;gap:var(--space-2);padding:var(--space-3)}.channel-list h3{width:100%;margin-top:var(--space-2);margin-bottom:var(--space-1)}.channel-item{flex:1 1 200px;min-width:200px;margin-bottom:0}.message-thread{padding:var(--space-4)}.message-content,.reasoning-block,.tool-call-block,.message-attachments{margin-left:0}.message-header{margin-bottom:var(--space-3)}.mcp-page{padding:var(--space-4)}.mcp-table{font-size:var(--text-xs)}.mcp-table th,.mcp-table td{padding:var(--space-2)}}@media (max-width: 640px){:root{--sidebar-width: 100%}.header{padding:0 var(--space-4);height:56px}.header h1{font-size:var(--text-base)}.header-user span{display:none}.message-thread{padding:var(--space-3)}.message-bubble{padding:var(--space-2) 0}.channel-item{flex:1 1 100%;min-width:auto}.login-card{padding:var(--space-6)}.mcp-page{padding:var(--space-3)}.mcp-table{display:block;overflow-x:auto;white-space:nowrap}.mcp-form{padding:var(--space-3)}.load-more-btn,.load-more-messages-btn{width:calc(100% - var(--space-6));margin:var(--space-3)}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-bg-primary)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-border-hover)}*{scrollbar-width:thin;scrollbar-color:var(--color-border) var(--color-bg-primary)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}