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spin{to{transform:rotate(360deg)}}.alert-error{color:#b91c1c;background:#fef2f2;border:1px solid #fecaca;border-radius:8px;padding:10px 14px;font-size:13px}.alert-success{color:#15803d;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:8px;padding:10px 14px;font-size:13px}.alert-info{background:var(--primary-light);color:var(--primary-dark);border:1px solid #bfdbfe;border-radius:8px;padding:10px 14px;font-size:13px}.attachment-preview{border-radius:8px;display:inline-block;position:relative;overflow:hidden}.attachment-preview img{object-fit:cover;max-width:240px;max-height:180px;display:block}.attachment-remove{color:#fff;cursor:pointer;background:#0009;border:none;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;font-size:12px;display:flex;position:absolute;top:4px;right:4px}@media (max-width:768px){:root{--sidebar-width:100vw}.chat-app{flex-direction:column}.sidebar{width:100vw;height:100vh}.conversation-panel{z-index:10;transition:transform .25s;position:fixed;inset:0;transform:translate(100%)}.conversation-panel.open{transform:translate(0)}}.panel-slideover{background:var(--white);border-right:1px solid var(--border);flex-direction:column;width:100%;height:100%;animation:.22s cubic-bezier(.25,.46,.45,.94) slideInLeft;display:flex;overflow:hidden}@keyframes slideInLeft{0%{opacity:0;transform:translate(-100%)}to{opacity:1;transform:translate(0)}}.panel-header{background:var(--primary);color:var(--white);flex-shrink:0;align-items:center;gap:16px;min-height:64px;padding:18px 20px;display:flex}.panel-header-back{width:36px;height:36px;color:var(--white);cursor:pointer;background:#ffffff26;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;transition:background .15s;display:flex}.panel-header-back:hover{background:#ffffff40}.panel-header h2{letter-spacing:-.2px;font-size:17px;font-weight:600}.panel-body{flex:1;padding:16px;overflow-y:auto}.panel-section-label{color:var(--primary);text-transform:uppercase;letter-spacing:.8px;padding:12px 0 8px;font-size:11px;font-weight:600}.panel-right{background:var(--white);border-left:1px solid var(--border);flex-direction:column;flex-shrink:0;width:360px;min-width:360px;height:100vh;animation:.22s cubic-bezier(.25,.46,.45,.94) slideInRight;display:flex;overflow:hidden}@keyframes slideInRight{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}.msg-context-menu{background:var(--white);border:1px solid var(--border);z-index:200;border-radius:10px;min-width:180px;padding:4px 0;animation:.12s fadeInScale;position:fixed;overflow:hidden;box-shadow:0 8px 24px #00000024}@keyframes fadeInScale{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.msg-context-item{cursor:pointer;width:100%;color:var(--text-primary);text-align:left;background:0 0;border:none;align-items:center;gap:12px;padding:10px 16px;font-family:inherit;font-size:14px;transition:background .12s;display:flex}.msg-context-item:hover{background:var(--bg-input)}.msg-context-item.danger{color:#dc2626}.msg-context-divider{background:var(--border);height:1px;margin:4px 0}.reply-strip{background:var(--bg-input);border-radius:8px;align-items:center;gap:10px;margin-bottom:4px;padding:8px 12px;display:flex}.reply-strip-bar{background:var(--primary);border-radius:3px;flex-shrink:0;width:3px;min-height:36px}.reply-strip-content{flex:1;min-width:0}.reply-strip-sender{color:var(--primary);margin-bottom:2px;font-size:12px;font-weight:600}.reply-strip-text{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.reply-strip-close{cursor:pointer;color:var(--text-muted);background:0 0;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;padding:4px;display:flex}.reply-strip-close:hover{background:var(--border)}.chat-search-bar{background:var(--bg-input);border-radius:8px;flex:1;align-items:center;gap:8px;padding:6px 12px;display:flex}.chat-search-input{color:var(--text-primary);background:0 0;border:none;outline:none;flex:1;font-family:inherit;font-size:14px}.chat-search-input::placeholder{color:var(--text-muted)}.chat-search-count{color:var(--text-muted);white-space:nowrap;font-size:12px}.msg-highlight{background:#1a6fff33;border-radius:2px;padding:0 1px}.msg-highlight.active{background:#1a6fff66}.select-footer{background:var(--white);border-top:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;padding:10px 16px;display:flex}.select-count{color:var(--text-primary);font-size:13px;font-weight:600}.select-actions{flex-wrap:wrap;gap:6px;display:flex}.select-action-btn{border:1.5px solid var(--border);background:var(--white);color:var(--text-primary);cursor:pointer;transition:var(--transition);border-radius:6px;padding:6px 12px;font-family:inherit;font-size:12px;font-weight:500}.select-action-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}.select-action-btn.danger:hover{color:#dc2626;background:#fef2f2;border-color:#dc2626}.chat-checkbox{border:2px solid var(--border);background:var(--white);width:20px;height:20px;transition:var(--transition);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.chat-list-item.selected .chat-checkbox{background:var(--primary);border-color:var(--primary);color:var(--white)}.label-chip{color:var(--white);border-radius:10px;align-items:center;margin-right:3px;padding:1px 7px;font-size:10px;font-weight:600;display:inline-flex}.contact-info-top{background:linear-gradient(180deg,var(--primary) 0%,var(--primary-dark) 100%);text-align:center;color:var(--white);flex-shrink:0;padding:24px 24px 20px}.contact-info-name{margin-top:12px;font-size:18px;font-weight:700}.contact-info-sub{opacity:.8;margin-top:2px;font-size:13px}.contact-info-actions{border-bottom:1px solid var(--border);justify-content:center;gap:28px;padding:14px 0;display:flex}.contact-info-action{cursor:pointer;color:var(--primary);background:0 0;border:none;flex-direction:column;align-items:center;gap:4px;font-family:inherit;font-size:11px;font-weight:500;transition:opacity .15s;display:flex}.contact-info-action:hover{opacity:.75}.shared-media-grid{grid-template-columns:repeat(3,1fr);gap:3px;display:grid}.shared-media-thumb{aspect-ratio:1;object-fit:cover;cursor:pointer;border-radius:4px;width:100%;transition:opacity .12s}.shared-media-thumb:hover{opacity:.85}.app-lock-screen{background:var(--white);z-index:1000;flex-direction:column;justify-content:center;align-items:center;gap:20px;display:flex;position:fixed;inset:0}.app-lock-logo{background:var(--primary-light);width:72px;height:72px;color:var(--primary);border-radius:50%;justify-content:center;align-items:center;display:flex}.pin-dots{justify-content:center;gap:14px;display:flex}.pin-dot{border:2px solid var(--primary);background:0 0;border-radius:50%;width:14px;height:14px;transition:background .12s}.pin-dot.filled{background:var(--primary)}.pin-pad{grid-template-columns:repeat(3,1fr);gap:12px;width:100%;max-width:240px;display:grid}.pin-key{aspect-ratio:1;border:1.5px solid var(--border);background:var(--white);color:var(--text-primary);cursor:pointer;transition:var(--transition);border-radius:50%;justify-content:center;align-items:center;font-family:inherit;font-size:20px;font-weight:500;display:flex}.pin-key:hover{background:var(--bg-input)}.pin-key:active{transform:scale(.94)}.settings-list-item{cursor:pointer;border-bottom:1px solid var(--border-light);align-items:center;gap:16px;padding:14px 0;display:flex}.settings-list-icon{background:var(--primary-light);width:40px;height:40px;color:var(--primary);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.settings-list-title{color:var(--text-primary);font-size:14px;font-weight:500}.settings-list-sub{color:var(--text-muted);margin-top:1px;font-size:12px}.conv-dropdown{background:var(--white);border:1px solid var(--border);z-index:100;border-radius:10px;min-width:200px;margin-top:4px;padding:4px 0;animation:.12s fadeInScale;position:absolute;top:100%;right:0;overflow:hidden;box-shadow:0 8px 24px #0000001f}.conv-dropdown-item{cursor:pointer;width:100%;color:var(--text-primary);text-align:left;background:0 0;border:none;align-items:center;gap:12px;padding:10px 18px;font-family:inherit;font-size:14px;transition:background .12s;display:flex}.conv-dropdown-item:hover{background:var(--bg-input)}.conv-dropdown-item.danger{color:#dc2626}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@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}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}