body,html{padding:0;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;background-color:#fafafa}*{box-sizing:border-box}.app-wrapper{display:flex;justify-content:center;align-items:flex-start;min-height:100dvh;background-color:#f0f2f5}.mobile-container{width:100%;max-width:400px;height:100dvh;max-height:100dvh;flex-direction:column;position:relative;box-shadow:0 0 20px rgba(0,0,0,.05);overflow:hidden}.app-header,.mobile-container{background-color:#fff;display:flex}.app-header{justify-content:center;align-items:center;height:60px;border-bottom:1px solid #fff9c4;font-size:18px;font-weight:600;color:#262626;-webkit-user-select:none;-moz-user-select:none;user-select:none;cursor:pointer;flex-shrink:0}.app-main{flex-grow:1;display:flex;flex-direction:column;overflow:hidden;background-color:#fff}.notes-container{padding:20px;height:100%;overflow-y:auto;position:relative;background-color:#fff}.notes-grid{display:flex;flex-direction:column;gap:15px}.note-card{background-color:#fff9c4;border-radius:12px;padding:16px;box-shadow:0 2px 5px rgba(0,0,0,.05)}.note-title{margin:0 0 8px;font-size:16px;font-weight:600;color:#333}.note-content{margin:0 0 12px;font-size:14px;color:#555;line-height:1.4}.note-date{font-size:12px;color:#888}.add-note-btn{position:absolute;bottom:20px;right:20px;width:56px;height:56px;border-radius:28px;background-color:#fff9c4;color:#333;font-size:30px;border:1px solid khaki;box-shadow:0 4px 10px rgba(0,0,0,.1);cursor:pointer}.add-note-btn,.passcode-container{display:flex;justify-content:center;align-items:center}.passcode-container{height:100%;background-color:#fff}.passcode-input{border:none;border-bottom:2px solid #fff9c4;font-size:18px;padding:10px;text-align:center;outline:none;background-color:transparent}.passcode-input:focus{border-bottom-color:khaki}