*,:before,:after,::backdrop{--tw-border-spacing-x:0;--tw-border-spacing-y:0;--tw-translate-x:0;--tw-translate-y:0;--tw-rotate:0;--tw-skew-x:0;--tw-skew-y:0;--tw-scale-x:1;--tw-scale-y:1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness:proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-color:#3b82f680;--tw-ring-offset-shadow:0 0 #0000;--tw-ring-shadow:0 0 #0000;--tw-shadow:0 0 #0000;--tw-shadow-colored:0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }*,:before,:after{box-sizing:border-box;border:0 solid #e5e7eb}:before,:after{--tw-content:""}html,:host{-webkit-text-size-adjust:100%;tab-size:4;font-feature-settings:normal;font-variation-settings:normal;-webkit-tap-highlight-color:transparent;font-family:ui-sans-serif,system-ui,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji;line-height:1.5}body{line-height:inherit;margin:0}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-feature-settings:normal;font-variation-settings:normal;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}button,input,optgroup,select,textarea{font-feature-settings:inherit;font-variation-settings:inherit;font-family:inherit;font-size:100%;font-weight:inherit;line-height:inherit;letter-spacing:inherit;color:inherit;margin:0;padding:0}button,select{text-transform:none}button,input:where([type=button]),input:where([type=reset]),input:where([type=submit]){-webkit-appearance:button;background-color:#0000;background-image:none}:-moz-focusring{outline:auto}:-moz-ui-invalid{box-shadow:none}progress{vertical-align:baseline}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}summary{display:list-item}blockquote,dl,dd,h1,h2,h3,h4,h5,h6,hr,figure,p,pre{margin:0}fieldset{margin:0;padding:0}legend{padding:0}ol,ul,menu{margin:0;padding:0;list-style:none}dialog{padding:0}textarea{resize:vertical}input::-moz-placeholder{opacity:1;color:#9ca3af}textarea::-moz-placeholder{opacity:1;color:#9ca3af}input::placeholder,textarea::placeholder{opacity:1;color:#9ca3af}button,[role=button]{cursor:pointer}:disabled{cursor:default}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}[hidden]:where(:not([hidden=until-found])){display:none}.absolute{position:absolute}.relative{position:relative}.mb-4{margin-bottom:1rem}.mb-6{margin-bottom:1.5rem}.ml-1{margin-left:.25rem}.mt-4{margin-top:1rem}.inline-block{display:inline-block}.flex{display:flex}.table{display:table}.h-screen{height:100vh}.w-96{width:24rem}.w-full{width:100%}.resize{resize:both}.items-center{align-items:center}.justify-center{justify-content:center}.rounded-2xl{border-radius:1rem}.rounded-lg{border-radius:.5rem}.border{border-width:1px}.border-\[var\(--border\)\]{border-color:var(--border)}.bg-\[var\(--accent\)\]{background-color:var(--accent)}.bg-\[var\(--bg\)\]{background-color:var(--bg)}.bg-\[var\(--surface\)\]{background-color:var(--surface)}.bg-\[var\(--surface-2\)\]{background-color:var(--surface-2)}.p-3{padding:.75rem}.p-8{padding:2rem}.py-3{padding-top:.75rem;padding-bottom:.75rem}.text-center{text-align:center}.text-2xl{font-size:1.5rem;line-height:2rem}.text-sm{font-size:.875rem;line-height:1.25rem}.font-bold{font-weight:700}.font-semibold{font-weight:600}.text-\[var\(--accent\)\]{color:var(--accent)}.text-\[var\(--text-dim\)\]{color:var(--text-dim)}.text-white{--tw-text-opacity:1;color:rgb(255 255 255/var(--tw-text-opacity,1))}.outline{outline-style:solid}.filter{filter:var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia) var(--tw-drop-shadow)}.transition{transition-property:color,background-color,border-color,text-decoration-color,fill,stroke,opacity,box-shadow,transform,filter,-webkit-backdrop-filter,backdrop-filter;transition-duration:.15s;transition-timing-function:cubic-bezier(.4,0,.2,1)}.quick-rx{background:var(--surface-2,#fff);z-index:1000;border-radius:20px;gap:8px;margin-bottom:8px;padding:6px 12px;display:flex;position:absolute;bottom:100%;left:0;box-shadow:0 4px 12px #00000026}.msg-wrap{position:relative}:root{--bg:#0a0a0c;--surface:#121214;--surface-2:#1b1b1f;--surface-3:#252529;--border:#2a2a2f;--border-light:#3a3a40;--text:#f0f0f4;--text-dim:#a1a1aa;--accent:#6366f1;--accent-dark:#4f46e5;--accent-bg:#6366f120;--error:#ef4444;--error-dark:#dc2626;--success:#10b981;--warning:#f59e0b;--ink-40:#a1a1aa;--canvas:#121214;--canvas-3:#252529;--r-sm:8px;--r-md:12px;--r-lg:20px;--shadow-sm:0 1px 2px 0 #0000004d;--shadow-md:0 4px 6px -1px #0006;--shadow-lg:0 10px 15px -3px #00000080;--transition:all .2s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--surface-2);border-radius:10px}::-webkit-scrollbar-thumb{background:var(--border-light);border-radius:10px}::-webkit-scrollbar-thumb:hover{background:var(--accent)}.app{background:var(--bg);height:100vh;display:flex;overflow:hidden}.sidebar{background:var(--surface);border-right:1px solid var(--border);width:320px;transition:var(--transition);flex-direction:column;flex-shrink:0;display:flex}.sidebar-head{border-bottom:1px solid var(--border);padding:24px 20px 16px}.sidebar-top-row{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.iconn-logo{align-items:center;gap:10px;display:flex}.iconn-logo-mark{background:linear-gradient(135deg, var(--accent), var(--accent-dark));border-radius:var(--r-md);width:36px;height:36px;box-shadow:var(--shadow-sm);justify-content:center;align-items:center;display:flex}.iconn-logo-name{letter-spacing:-.3px;background:linear-gradient(135deg, var(--text), #cbd5e1);color:#0000;-webkit-background-clip:text;background-clip:text;font-size:20px;font-weight:700}.iconn-logo-name span{background:0 0;-webkit-background-clip:unset;background-clip:unset;color:var(--text-dim);font-weight:400}.sidebar-actions{gap:8px;display:flex}.icon-btn{color:var(--text-dim);cursor:pointer;transition:var(--transition);background:0 0;border:none;border-radius:10px;justify-content:center;align-items:center;padding:8px;display:inline-flex}.icon-btn:hover{background:var(--surface-2);color:var(--text);transform:scale(1.02)}.search-wrap{background:var(--surface-2);border:1px solid var(--border);transition:var(--transition);border-radius:40px;align-items:center;gap:10px;padding:8px 14px;display:flex}.search-wrap:focus-within{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-bg)}.search-inp{color:var(--text);background:0 0;border:none;outline:none;width:100%;font-size:14px}.sidebar-tabs{border-bottom:1px solid var(--border);gap:6px;padding:16px 20px;display:flex}.stab{color:var(--text-dim);cursor:pointer;transition:var(--transition);background:0 0;border:none;border-radius:40px;flex:1;padding:8px 0;font-size:13px;font-weight:600}.stab.on{background:var(--surface-3);color:var(--text);box-shadow:var(--shadow-sm)}.conv-list{flex:1;padding:12px;overflow-y:auto}.conv-item{border-radius:var(--r-md);cursor:pointer;transition:var(--transition);gap:14px;margin-bottom:4px;padding:12px;display:flex}.conv-item.active{background:var(--surface-3);box-shadow:var(--shadow-sm)}.conv-item:hover{background:var(--surface-2);transform:translate(2px)}.av{flex-shrink:0;position:relative}.av-img,.av-fb{-o-object-fit:cover;object-fit:cover;box-shadow:var(--shadow-sm);border-radius:50%}.av-fb{color:#fff;text-transform:uppercase;justify-content:center;align-items:center;font-weight:600;display:flex}.av-dot{background:var(--success);border:2px solid var(--surface);width:12px;height:12px;box-shadow:var(--shadow-sm);border-radius:50%;position:absolute;bottom:2px;right:2px}.conv-body{flex:1;min-width:0}.conv-row1{justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:4px;display:flex}.conv-name{text-overflow:ellipsis;white-space:nowrap;font-size:14px;font-weight:600;overflow:hidden}.conv-time{color:var(--text-dim);flex-shrink:0;font-size:11px}.conv-preview{color:var(--text-dim);text-overflow:ellipsis;white-space:nowrap;font-size:12px;overflow:hidden}.sidebar-foot{border-top:1px solid var(--border);cursor:pointer;transition:var(--transition);background:var(--surface);align-items:center;gap:12px;padding:14px 16px;display:flex}.sidebar-foot:hover{background:var(--surface-2)}.sf-info{flex:1;min-width:0}.sf-name{font-size:14px;font-weight:600}.sf-handle{color:var(--text-dim);font-size:12px}.grp-av{background:var(--surface-3);width:48px;height:48px;box-shadow:var(--shadow-sm);border-radius:50%;grid-template-columns:1fr 1fr;gap:2px;display:grid;overflow:hidden}.grp-av-cell{color:#fff;text-transform:uppercase;justify-content:center;align-items:center;font-size:12px;font-weight:700;display:flex}.skel{background:linear-gradient(90deg, var(--surface-2) 25%, var(--surface-3) 50%, var(--surface-2) 75%);border-radius:var(--r-md);background-size:200% 100%;animation:1.5s infinite shimmer}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.chat-area{background:var(--bg);flex-direction:column;flex:1;display:flex}.chat-head{border-bottom:1px solid var(--border);background:var(--surface);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:10;align-items:center;gap:16px;padding:16px 24px;display:flex}.chat-head-info{flex:1}.chat-head-name{letter-spacing:-.2px;font-size:18px;font-weight:700}.chat-head-sub{color:var(--success);align-items:center;gap:4px;font-size:12px;display:flex}.chat-head-sub.off{color:var(--text-dim)}.head-acts{gap:8px;display:flex}.msgs-scroll{flex-direction:column;flex:1;gap:12px;padding:20px 24px;display:flex;overflow-y:auto}.date-sep{text-align:center;margin:16px 0}.date-sep span{background:var(--surface-2);color:var(--text-dim);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);border-radius:40px;padding:6px 14px;font-size:12px;font-weight:500}.typing-wrap{align-items:center;gap:10px;margin-top:8px;display:flex}.typing-bubble{background:var(--surface-2);box-shadow:var(--shadow-sm);border-radius:24px;gap:5px;padding:10px 14px;display:flex}.td{background:var(--text-dim);border-radius:50%;width:7px;height:7px;animation:1.4s ease-in-out infinite typing}.td:first-child{animation-delay:0s}.td:nth-child(2){animation-delay:.2s}.td:nth-child(3){animation-delay:.4s}@keyframes typing{0%,60%,to{opacity:.4;transform:translateY(0)}30%{opacity:1;transform:translateY(-8px)}}.chat-input-zone{background:var(--surface);border-top:1px solid var(--border);padding:16px 20px}.reply-bar{background:var(--surface-2);border-radius:var(--r-md);border-left:3px solid var(--accent);justify-content:space-between;align-items:center;margin-bottom:12px;padding:10px 14px;display:flex}.rb-name{color:var(--accent);font-size:12px;font-weight:600}.rb-text{color:var(--text-dim);font-size:12px}.input-row{align-items:flex-end;gap:12px;display:flex}.input-box{background:var(--surface-2);border:1px solid var(--border);transition:var(--transition);border-radius:28px;flex:1;align-items:center;gap:10px;padding:8px 16px;display:flex}.input-box:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg)}.msg-inp{color:var(--text);resize:none;background:0 0;border:none;outline:none;flex:1;max-height:120px;font-family:inherit;font-size:14px;line-height:1.4}.send-btn{background:linear-gradient(135deg, var(--accent), var(--accent-dark));cursor:pointer;color:#fff;width:42px;height:42px;transition:var(--transition);box-shadow:var(--shadow-sm);border:none;border-radius:50%;justify-content:center;align-items:center;display:flex}.send-btn:hover:not(:disabled){box-shadow:var(--shadow-md);transform:scale(1.05)}.send-btn:disabled{opacity:.5;cursor:not-allowed;background:var(--surface-3)}.msg-wrap{flex-direction:column;max-width:70%;margin-bottom:6px;display:flex;position:relative}.msg-wrap.out{align-self:flex-end}.msg-wrap.in{align-self:flex-start}.msg-actions{opacity:0;background:var(--surface-3);z-index:2;box-shadow:var(--shadow-md);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:40px;gap:8px;padding:6px 12px;transition:opacity .2s;display:flex;position:absolute;top:-26px;right:0}.msg-wrap:hover .msg-actions{opacity:1}.ma-btn{color:var(--text-dim);cursor:pointer;transition:var(--transition);background:0 0;border:none;border-radius:30px;padding:5px}.ma-btn:hover{color:var(--text);background:var(--surface-2)}.ma-btn.del:hover{color:var(--error)}.quick-rx{background:var(--surface-3);z-index:3;box-shadow:var(--shadow-lg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:40px;gap:8px;margin-bottom:8px;padding:6px 12px;display:flex;position:absolute;bottom:100%;left:0}.qr-btn{cursor:pointer;background:0 0;border:none;border-radius:30px;padding:5px;font-size:20px;transition:transform .1s}.qr-btn:hover{transform:scale(1.2)}.msg-sender{color:var(--text-dim);margin-bottom:4px;margin-left:10px;font-size:11px;font-weight:600}.msg-reply-preview{border-left:3px solid var(--accent);border-radius:var(--r-md);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#ffffff0d;margin-bottom:6px;padding:8px 12px;font-size:12px}.mrp-name{color:var(--accent);font-weight:600}.msg-bubble{background:var(--surface-2);word-break:break-word;box-shadow:var(--shadow-sm);transition:var(--transition);border-radius:20px;padding:10px 16px}.msg-wrap.out .msg-bubble{background:linear-gradient(135deg, var(--accent), var(--accent-dark));color:#fff}.msg-bubble.deleted{opacity:.6;background:var(--surface-3);color:var(--text-dim);font-size:12px;font-style:italic}.msg-text{font-size:14px;line-height:1.45}.msg-meta{color:var(--text-dim);align-items:center;gap:6px;margin-top:5px;margin-left:12px;font-size:10px;display:flex}.reactions-row{flex-wrap:wrap;gap:6px;margin-top:6px;margin-left:12px;display:flex}.rx-chip{background:var(--surface-2);cursor:pointer;transition:var(--transition);border:1px solid var(--border);border-radius:40px;align-items:center;gap:6px;padding:4px 10px;font-size:12px;display:flex}.rx-chip:hover{background:var(--surface-3);transform:translateY(-1px)}.rx-chip-count{color:var(--text-dim);font-size:11px;font-weight:600}.overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background:#000000bf;justify-content:center;align-items:center;animation:.2s fadeIn;display:flex;position:fixed;inset:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal{background:var(--surface);border-radius:var(--r-lg);border:1px solid var(--border);width:90%;max-width:500px;max-height:85vh;box-shadow:var(--shadow-lg);animation:.3s slideUp;overflow:auto}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal-head{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:20px 24px 16px;display:flex}.modal-title{letter-spacing:-.3px;font-size:20px;font-weight:700}.modal-sub{color:var(--text-dim);margin-top:4px;font-size:13px}.modal-body{padding:20px 24px}.modal-foot{border-top:1px solid var(--border);padding:16px 24px 24px}.user-row{border-radius:var(--r-md);cursor:pointer;transition:var(--transition);align-items:center;gap:14px;padding:12px;display:flex}.user-row:hover{background:var(--surface-2);transform:translate(4px)}.user-row.sel{background:var(--accent-bg);border-left:3px solid var(--accent)}.ur-info{flex:1}.ur-name{font-size:15px;font-weight:600}.ur-sub{color:var(--text-dim);font-size:12px}.sel-check{color:var(--accent);font-size:20px;font-weight:700}.btn-primary{background:linear-gradient(135deg, var(--accent), var(--accent-dark));color:#fff;cursor:pointer;width:100%;transition:var(--transition);box-shadow:var(--shadow-sm);border:none;border-radius:40px;padding:12px 20px;font-weight:600}.btn-primary:hover:not(:disabled){box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.call-modal{background:var(--surface);border-radius:var(--r-lg);border:1px solid var(--border);width:90vw;max-width:1000px;height:80vh;max-height:600px;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}.call-container{background:#000;width:100%;height:100%;position:relative}.remote-video{-o-object-fit:cover;object-fit:cover;width:100%;height:100%}.local-video{border-radius:var(--r-md);-o-object-fit:cover;object-fit:cover;width:120px;height:160px;box-shadow:var(--shadow-lg);border:2px solid #fff;position:absolute;bottom:80px;right:16px}.call-controls{z-index:20;justify-content:center;gap:20px;display:flex;position:absolute;bottom:20px;left:0;right:0}.call-btn{background:var(--surface-2);cursor:pointer;color:#fff;width:52px;height:52px;transition:var(--transition);box-shadow:var(--shadow-md);border:none;border-radius:50%;justify-content:center;align-items:center;display:flex}.call-btn:hover{background:var(--surface-3);transform:scale(1.05)}.end-call{background:var(--error)}.end-call:hover{background:var(--error-dark)}.call-status{text-align:center;color:#fff;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:20;background:#0009;padding:8px;font-size:14px;font-weight:500;position:absolute;top:20px;left:0;right:0}.loading-screen{background:var(--bg);justify-content:center;align-items:center;height:100vh;display:flex}.spinner{border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;width:40px;height:40px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.welcome-placeholder{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:20px;padding:20px;display:flex}.welcome-icon{filter:drop-shadow(0 4px 8px #0000004d);font-size:72px}.auth-root{background:var(--bg);min-height:100vh;display:flex}.auth-brand{background:linear-gradient(135deg, var(--accent), var(--accent-dark));color:#fff;flex-direction:column;flex:1;justify-content:space-between;align-items:center;padding:2rem;display:flex;position:relative;overflow:hidden}.auth-brand-content{flex-direction:column;flex:1;justify-content:center;align-items:center;width:100%;display:flex}.auth-brand-logo{align-items:center;gap:12px;margin-bottom:1.5rem;display:flex}.auth-brand-icon{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#fff3;border-radius:18px;justify-content:center;align-items:center;width:52px;height:52px;display:flex}.auth-brand-name{letter-spacing:-.5px;font-size:32px;font-weight:700}.auth-brand-tagline{text-align:center;opacity:.9;max-width:320px;margin:0 auto;font-size:18px;line-height:1.5}.auth-brand-dots{gap:12px;padding-bottom:1rem;display:flex}.auth-brand-dots span{background:#ffffff80;border-radius:50%;width:8px;height:8px;animation:1.5s infinite pulse}.auth-brand-dots span:nth-child(2){animation-delay:.3s}.auth-brand-dots span:nth-child(3){animation-delay:.6s}.auth-form-side{flex:1;justify-content:center;align-items:center;padding:2rem;display:flex}.auth-card{background:var(--surface);width:100%;max-width:420px;box-shadow:var(--shadow-lg);border:1px solid var(--border);border-radius:32px;padding:2rem}.auth-card-header{text-align:center;margin-bottom:1.5rem}.auth-card-title{background:linear-gradient(135deg, var(--text), #cbd5e1);color:#0000;-webkit-background-clip:text;background-clip:text;margin-bottom:8px;font-size:28px;font-weight:700}.auth-card-sub{color:var(--text-dim);font-size:14px}.auth-error{background:var(--error);color:#fff;border-radius:var(--r-md);text-align:center;margin-bottom:1rem;padding:10px 14px;font-size:13px}.field{margin-bottom:1.25rem}.field label{color:var(--text-dim);margin-bottom:6px;font-size:13px;font-weight:500;display:block}.field input{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r-md);width:100%;color:var(--text);transition:var(--transition);padding:12px 14px;font-size:14px}.field input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg);outline:none}.auth-switch{text-align:center;color:var(--text-dim);margin-top:1.5rem;font-size:13px}.auth-switch span{color:var(--accent);cursor:pointer;transition:var(--transition);font-weight:500}.auth-switch span:hover{text-decoration:underline}@keyframes pulse{0%,to{opacity:.3;transform:scale(.8)}50%{opacity:1;transform:scale(1)}}@media (width<=768px){.sidebar{z-index:1000;background:var(--surface);max-width:300px;box-shadow:var(--shadow-lg);transition:transform .3s cubic-bezier(.2,.9,.4,1.1);position:fixed;top:0;bottom:0;left:0;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.sidebar-backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:999;opacity:0;visibility:hidden;background:#0009;transition:opacity .3s;position:fixed;inset:0}.chat-area{width:100%}.mobile-back-btn{justify-content:center;align-items:center;margin-right:8px;display:flex}.chat-head{padding:12px 16px}.msg-wrap{max-width:85%}.call-modal{width:95vw;height:70vh}.local-video{width:80px!important;height:120px!important;bottom:70px!important}.call-controls{bottom:16px}.call-btn{width:44px;height:44px}.auth-root{flex-direction:column}.auth-brand{min-height:40vh;padding:2rem 1rem}.auth-brand-tagline{font-size:16px}.auth-form-side,.auth-card{padding:1.5rem}}@media (width>=769px){.mobile-back-btn{display:none}.sidebar{width:320px;position:relative;transform:translate(0)!important}.sidebar-backdrop{display:none}}