:root{--bg-main: #0a0e1a;--bg-primary: #0a0e1a;--bg-panel: #0f172a;--bg-bar: #111827;--bg-rail: #080c16;--bg-card: #1e293b;--bg-secondary: #1a1a2e;--bg-overlay: #1a2235;--accent: #f97316;--accent-hover: #fb923c;--accent-pressed: #ea580c;--accent-secondary: #a855f7;--accent-gradient: linear-gradient(135deg, #f97316, #a855f7);--text-primary: #e2e8f0;--text-secondary: #94a3b8;--text-muted: #64748b;--text-tertiary: #64748b;--text-inverse: #000000;--border-primary: #1e293b;--border-subtle: rgba(255, 255, 255, .05);--border-focus: rgba(249, 115, 22, .3);--success: #22c55e;--warning: #eab308;--error: #ef4444;--info: #3b82f6;--toggle-off: #374151;--bg-elevated: #1e293b;--shadow-card: 0 2px 8px rgba(0, 0, 0, .15);--shadow-modal: 0 20px 60px rgba(0, 0, 0, .5);--shadow-fab: 0 4px 20px rgba(249, 115, 22, .4);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--radius-pill: 9999px;--radius-circle: 50%;--bubble-radius: 16px;--radius-bubble-sent: var(--bubble-radius) var(--bubble-radius) 4px var(--bubble-radius);--radius-bubble-received: var(--bubble-radius) var(--bubble-radius) var(--bubble-radius) 4px;--bubble-max-width: 65%;--scrollbar-thumb: #374151;--bubble-received-bg: var(--bg-card);--bubble-received-border: none;--bg-code: #0d1117;--text-code: #c9d1d9;--btn-subtle-bg: rgba(255, 255, 255, .08);--btn-subtle-hover: rgba(255, 255, 255, .15);--border: #1e293b;--border-secondary: rgba(255, 255, 255, .05);--bg-surface: #1e293b;--bg-hover: rgba(255, 255, 255, .08);--bg-input: #1e293b;--bg-tertiary: #1e293b;--surface: #1e293b;--accent-primary: #f97316;--blue: #3b82f6;--gold: #eab308;--purple: #a855f7;--space-xs: 4px;--space-sm: 8px;--space-md: 12px;--space-lg: 16px;--space-xl: 24px;--space-2xl: 32px;--space-3xl: 48px;--anim-fast: .15s;--anim-normal: .25s;--anim-slow: .4s;--z-base: 0;--z-dropdown: 100;--z-sticky: 200;--z-overlay: 300;--z-modal: 400;--z-toast: 500;--z-tooltip: 600}[data-theme=light]{--bg-main: #f0f9ff;--bg-primary: #f0f9ff;--bg-panel: #f0f9ff;--bg-bar: #f0f9ff;--bg-rail: #e0f2fe;--bg-card: #e0f2fe;--bg-secondary: #e8f4fd;--bg-overlay: #f0f9ff;--accent: #f97316;--accent-hover: #fb923c;--accent-pressed: #ea580c;--accent-secondary: #a855f7;--accent-gradient: linear-gradient(135deg, #f97316, #a855f7);--text-primary: #0c4a6e;--text-secondary: #64748b;--text-muted: #94a3b8;--text-tertiary: #94a3b8;--text-inverse: #ffffff;--border-primary: #bae6fd;--border-subtle: rgba(186, 230, 253, .5);--border-focus: rgba(249, 115, 22, .3);--success: #22c55e;--warning: #eab308;--error: #ef4444;--info: #3b82f6;--toggle-off: #cbd5e1;--bg-elevated: #e0f2fe;--shadow-card: 0 2px 8px rgba(0, 0, 0, .08);--shadow-modal: 0 20px 60px rgba(0, 0, 0, .15);--shadow-fab: 0 4px 20px rgba(249, 115, 22, .3);--scrollbar-thumb: #94a3b8;--bubble-received-bg: #ffffff;--bubble-received-border: 1px solid #bae6fd;--bg-code: #f1f5f9;--text-code: #334155;--btn-subtle-bg: rgba(0, 0, 0, .06);--btn-subtle-hover: rgba(0, 0, 0, .1);--border: #bae6fd;--border-secondary: rgba(186, 230, 253, .5);--bg-surface: #e0f2fe;--bg-hover: rgba(0, 0, 0, .06);--bg-input: #e0f2fe;--bg-tertiary: #e0f2fe;--surface: #e0f2fe;--accent-primary: #f97316;--blue: #3b82f6;--gold: #eab308;--purple: #a855f7}*{margin:0;padding:0;box-sizing:border-box;scrollbar-width:thin;scrollbar-color:var(--scrollbar-thumb) transparent}html,body,#root{height:100%;width:100%}body{background:var(--bg-main);color:var(--text-primary);font-family:Inter,-apple-system,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}input,textarea,button{font-family:inherit;font-size:inherit;border:none}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}:focus:not(:focus-visible){outline:none}button{cursor:pointer;background:none;color:inherit}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:2px;min-height:30px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes mars-ws-pulse{0%,to{opacity:1}50%{opacity:.35}}.avatar-hover-overlay{opacity:0!important;transition:opacity .2s ease}*:hover>.avatar-hover-overlay{opacity:1!important}@keyframes shimmer{0%{background-position:-400px 0}to{background-position:400px 0}}.skeleton{background:linear-gradient(90deg,var(--bg-card) 25%,rgba(255,255,255,.06) 50%,var(--bg-card) 75%);background-size:800px 100%;animation:shimmer 1.5s infinite ease-in-out;border-radius:6px}[data-theme=light] .skeleton{background:linear-gradient(90deg,var(--bg-card) 25%,rgba(0,0,0,.04) 50%,var(--bg-card) 75%);background-size:800px 100%}@keyframes typingDots{0%,20%{content:""}40%{content:"."}60%{content:".."}80%,to{content:"..."}}.typing-dots:after{content:"";animation:typingDots 1.2s infinite steps(1)}.scroll-to-bottom-fab:active{transform:scale(.9)!important;transition:transform .1s ease!important}@media(hover:hover)and (pointer:fine){.msg-hover-wrap{position:relative}.msg-hover-wrap .msg-hover-actions{position:absolute;top:-32px;right:8px;display:flex;gap:2px;padding:2px;border-radius:var(--radius-sm);background:var(--bg-elevated);box-shadow:var(--shadow-card);opacity:0;pointer-events:none;transition:opacity .15s ease;z-index:15}.msg-hover-wrap .msg-hover-actions.msg-hover-mine{right:auto;left:8px}.msg-hover-wrap:hover .msg-hover-actions{opacity:1;pointer-events:auto}.msg-hover-actions button{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border:none;border-radius:6px;background:transparent;color:var(--text-secondary);cursor:pointer;padding:0;transition:background .12s ease,color .12s ease}.msg-hover-actions button:hover{background:#ffffff14;color:var(--text-primary)}}@media(max-width:768px){:root{--bubble-max-width: 85%}button:not([data-compact]),a[role=button],[role=tab],[role=menuitem]{min-width:44px;min-height:44px}input[type=text],input[type=search],input[type=email],input[type=password],textarea,select{font-size:16px!important}.shortcuts-modal{width:100%!important;max-width:100vw!important;border-radius:0!important;height:100%!important;max-height:100vh!important}.scroll-to-bottom-fab{bottom:80px!important}}@media(max-width:768px){.layout-sidebar{width:100%!important;min-width:100%!important;border-right:none!important}.layout-sidebar.hidden-mobile{display:none!important}.layout-chat-area{width:100%!important}.layout-chat-area.hidden-mobile{display:none!important}.chatview-back-btn,.bottom-nav{display:flex!important}.bottom-nav.bottom-nav-hidden{display:none!important}.composer-textarea{font-size:16px!important}.composer-bar{padding:8px!important}.chatview-header{padding:10px 12px!important;gap:8px!important}.settings-mobile-back{display:block!important}.chatview-info-panel{max-width:100%!important}}@media(min-width:769px){.layout-sidebar{display:flex!important}.layout-chat-area{display:flex!important;flex-direction:column}.chatview-back-btn,.bottom-nav{display:none!important}}@media(min-width:769px){.desktop-nav-rail{display:flex!important}.layout-user-footer{display:none!important}}.chatview-info-panel{position:absolute;top:0;right:0;bottom:0;width:100%;max-width:320px;z-index:50;animation:slideInRight .2s ease-out}@media(min-width:1200px){.chatview-info-panel{position:static;width:320px;max-width:none;flex-shrink:0;z-index:auto;animation:none}}@keyframes slideInRight{0%{transform:translate(100%)}to{transform:translate(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}@keyframes voiceRecordPulse{0%,to{opacity:1}50%{opacity:.3}}@keyframes typingBounce{0%,60%,to{transform:translateY(0);opacity:.4}30%{transform:translateY(-4px);opacity:1}}@keyframes fadeInUp{0%{opacity:0;transform:translate(-50%,10px)}to{opacity:1;transform:translate(-50%)}}@keyframes msgSlideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.typing-dot{animation:typingBounce .6s ease-in-out infinite}input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:4px;border-radius:2px;background:var(--bg-card);outline:none}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;background:var(--accent);cursor:pointer;border:2px solid var(--bg-main)}input[type=range]::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--accent);cursor:pointer;border:2px solid var(--bg-main)}.ds-btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);border-radius:var(--radius-sm);border:1px solid transparent;padding:0 var(--space-lg);height:40px;font:inherit;font-weight:500;line-height:1;cursor:pointer;-webkit-user-select:none;user-select:none;transition:background var(--anim-fast) ease,border-color var(--anim-fast) ease,color var(--anim-fast) ease,opacity var(--anim-fast) ease;white-space:nowrap}.ds-btn:disabled{opacity:.5;cursor:not-allowed}.ds-btn:focus-visible{outline:2px solid var(--border-focus);outline-offset:2px}.ds-btn--sm{height:32px;padding:0 var(--space-md);font-size:13px}.ds-btn--md{height:40px;padding:0 var(--space-lg);font-size:14px}.ds-btn--lg{height:48px;padding:0 var(--space-xl);font-size:16px}.ds-btn--primary{background:var(--accent);color:#fff}.ds-btn--primary:hover:not(:disabled){background:var(--accent-hover)}.ds-btn--primary:active:not(:disabled){background:var(--accent-pressed)}.ds-btn--secondary{background:var(--btn-subtle-bg);color:var(--text-primary);border-color:var(--border-primary)}.ds-btn--secondary:hover:not(:disabled){background:var(--btn-subtle-hover)}.ds-btn--ghost{background:transparent;color:var(--text-primary)}.ds-btn--ghost:hover:not(:disabled){background:var(--btn-subtle-bg)}.ds-btn--danger{background:var(--error);color:#fff}.ds-btn--danger:hover:not(:disabled){filter:brightness(1.08)}.ds-btn--block{width:100%}.ds-input{display:block;width:100%;background:var(--bg-input);color:var(--text-primary);border:1px solid var(--border-primary);border-radius:var(--radius-sm);padding:0 var(--space-md);height:40px;font:inherit;font-size:14px;transition:border-color var(--anim-fast) ease}.ds-input::placeholder{color:var(--text-muted)}.ds-input:focus{outline:none;border-color:var(--accent)}.ds-input:disabled{opacity:.6;cursor:not-allowed}.ds-input--invalid{border-color:var(--error)}.ds-input--sm{height:32px;font-size:13px}.ds-input--lg{height:48px;font-size:16px}.ds-textarea{display:block;width:100%;min-height:96px;background:var(--bg-input);color:var(--text-primary);border:1px solid var(--border-primary);border-radius:var(--radius-sm);padding:var(--space-md);font:inherit;font-size:14px;resize:vertical;transition:border-color var(--anim-fast) ease}.ds-textarea::placeholder{color:var(--text-muted)}.ds-textarea:focus{outline:none;border-color:var(--accent)}.ds-field{display:flex;flex-direction:column;gap:var(--space-sm)}.ds-field__label{font-size:13px;color:var(--text-secondary);font-weight:500}.ds-field__help{font-size:12px;color:var(--text-muted)}.ds-field__error{font-size:12px;color:var(--error)}.ds-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:var(--space-lg);box-shadow:var(--shadow-card)}.ds-card--flat{box-shadow:none}.ds-card--padded-sm{padding:var(--space-md)}.ds-card--padded-lg{padding:var(--space-xl)}.ds-dialog-backdrop{position:fixed;inset:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:var(--z-modal, 400);padding:var(--space-lg);animation:ds-fade-in var(--anim-fast) ease-out}.ds-dialog{background:var(--bg-panel);border:1px solid var(--border-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-modal);width:100%;max-width:480px;max-height:calc(100vh - 48px);overflow:auto;animation:ds-scale-in var(--anim-normal) cubic-bezier(.16,1,.3,1)}.ds-dialog--sm{max-width:360px}.ds-dialog--lg{max-width:720px}.ds-dialog__header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-md);padding:var(--space-lg) var(--space-lg) 0}.ds-dialog__title{margin:0;font-size:18px;font-weight:600;color:var(--text-primary)}.ds-dialog__body{padding:var(--space-lg);color:var(--text-primary)}.ds-dialog__footer{display:flex;justify-content:flex-end;gap:var(--space-sm);padding:0 var(--space-lg) var(--space-lg)}.ds-skeleton{background:var(--bg-secondary);border-radius:var(--radius-sm);animation:ds-pulse 1.5s ease-in-out infinite}.ds-skeleton--circle{border-radius:var(--radius-circle)}.ds-skeleton--pill{border-radius:var(--radius-pill)}@keyframes ds-pulse{0%,to{opacity:.4}50%{opacity:.7}}@keyframes ds-fade-in{0%{opacity:0}to{opacity:1}}@keyframes ds-scale-in{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}