:root{--bg-color:#e3e1e5;--bg-panel:#fff;--text-primary:#111b21;--text-secondary:#667781;--border-color:#d1d7db;--primary-color:#00a884;--primary-hover:#008f6f;--msg-sent-bg:#d9fdd3;--msg-recv-bg:#fff;--hover-bg:#f5f6f6;--icon-color:#54656f;--input-bg:#f0f2f5;--shadow-sm:0 1px 3px #0b141a14;--shadow-md:0 4px 6px #0b141a1f;--danger:#cf304a}[data-theme=dark]{--bg-color:#0b141a;--bg-panel:#111b21;--text-primary:#e9edef;--text-secondary:#8696a0;--border-color:#222d34;--primary-color:#00a884;--primary-hover:#008f6f;--msg-sent-bg:#005c4b;--msg-recv-bg:#202c33;--hover-bg:#202c33;--icon-color:#aebac1;--input-bg:#2a3942;--shadow-sm:0 1px 3px #0b141a66;--shadow-md:0 4px 6px #0b141a80}*{box-sizing:border-box;margin:0;padding:0;font-family:Inter,system-ui,-apple-system,sans-serif}body{background-color:var(--bg-color);color:var(--text-primary);justify-content:center;align-items:center;width:100vw;height:100vh;transition:background-color .3s,color 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20px}.modal-contacts-list{background-color:var(--bg-panel);flex:1;padding-bottom:12px;overflow-y:auto}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.profile-modal{padding-bottom:20px}.profile-form{flex-direction:column;gap:16px;padding:10px 20px 20px;display:flex}.avatar-preview-section{flex-direction:column;align-items:center;gap:12px;display:flex}.avatar-wrapper-edit{cursor:pointer;border-radius:50%;width:120px;height:120px;position:relative;overflow:hidden}.avatar-large{object-fit:cover;border:4px solid var(--primary-color);background-color:var(--border-color);border-radius:50%;width:100%;height:100%;transition:filter .2s}.avatar-overlay{opacity:0;background-color:#0006;justify-content:center;align-items:center;transition:opacity .2s;display:flex;position:absolute;inset:0}.avatar-wrapper-edit:hover .avatar-overlay{opacity:1}.profile-input input{border:1px solid var(--border-color);background-color:var(--input-bg);width:100%;height:48px;color:var(--text-primary);border-radius:8px;outline:none;padding:0 16px 0 44px;font-size:15px;transition:all .2s}.profile-input input:focus{border-color:var(--primary-color);box-shadow:0 0 0 2px #00a88433}.help-text{color:var(--text-secondary);text-align:center;font-size:12px}.save-btn{background-color:var(--primary-color);color:#fff;cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;height:48px;margin-top:10px;font-size:16px;font-weight:500;transition:background-color .2s;display:flex}.save-btn:hover{background-color:var(--primary-hover)}.sidebar{background-color:var(--bg-panel);border-right:1px solid var(--border-color);flex-direction:column;width:30%;min-width:320px;max-width:420px;height:100%;display:flex}.sidebar-header{background-color:var(--bg-color);border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;min-height:72px;padding:10px 16px;display:flex}.sidebar-header-actions{gap:10px;display:flex}.glass-btn{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#7878781a}.search-container{background-color:var(--bg-panel);border-bottom:1px solid var(--border-color);padding:8px 12px}.search-box{background-color:var(--input-bg);border-radius:8px;align-items:center;height:36px;padding:0 12px;transition:box-shadow .2s;display:flex}.search-box:focus-within{box-shadow:0 0 0 2px var(--primary-color);background-color:var(--bg-panel)}.search-icon{color:var(--icon-color);margin-right:12px}.search-box input{width:100%;height:100%;color:var(--text-primary);background:0 0;border:none;outline:none;font-size:14px}.search-clear{color:var(--text-secondary);cursor:pointer;opacity:.7;background:0 0;border:none;align-items:center;padding:4px;transition:opacity 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